CN203249931U - Elevator permanent magnet motor speed measuring device - Google Patents
Elevator permanent magnet motor speed measuring device Download PDFInfo
- Publication number
- CN203249931U CN203249931U CN 201320218193 CN201320218193U CN203249931U CN 203249931 U CN203249931 U CN 203249931U CN 201320218193 CN201320218193 CN 201320218193 CN 201320218193 U CN201320218193 U CN 201320218193U CN 203249931 U CN203249931 U CN 203249931U
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- CN
- China
- Prior art keywords
- magnet motor
- sensing counter
- motor speed
- measuring device
- speed measuring
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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 - Lifetime
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- Cage And Drive Apparatuses For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The utility model discloses an elevator permanent magnet motor speed measuring device comprising a sensing counter and a processing unit. The sensing counter is installed to just face the edge of a barring gear. The sensing counter is used for detecting the number of passed teeth of the barring gear and sending a feedback to a processing unit. The processing unit comprises a calculation module, a parameter storage module and a timer. The parameter storage module and the timer are respectively connected with the calculation module. The timer is connected with the sensing counter. According to the device, only a simple sensor and a calculation chip are employed, the measurement of the rotation speed of an elevator permanent magnet motor, the production cost is reduced, the installation position of the sensing counter is not limited, thus the installation is more flexible, and the use of space is more rational.
Description
Technical field
The utility model relates to a kind of speed measuring device, particularly a kind of elevator permanent-magnet motor speed measuring device.
Background technology
Present elevator all is to adopt the pulley blocks that is comprised of fixed pulley and travelling block to drive, and by drive motor fixed pulley is driven, and makes lift car realize lifting.Drive motor connects fixed pulley by transmission shaft, be equipped with on the transmission shaft for the jiggering tooth of promptly holding braking tightly, in order to test the rotating speed of drive motor, the end at transmission shaft is equipped with accurate knotmeter usually, and the cost of knotmeter is higher, has promoted the manufacturing cost of elevator.
The utility model content
For addressing the above problem, the purpose of this utility model is to provide a kind of device that utilizes the jiggering tooth to measure the elevator permanent-magnet motor speed.
The technical scheme that the invention for solving the technical problem adopts is:
The elevator permanent-magnet motor speed measuring device comprises with lower member: the sensing counter, and described sensing counter is installed over against the edge of jiggering tooth, the number of teeth of passing through for detection of the jiggering tooth, and feed back to processing unit; Processing unit, described processing unit comprises computing module, parameter memory module, timer, and described sensing counter, parameter memory module and timer connect respectively computing module, and described timer connects the sensing counter.
Further, described sensing counter is Hall element or infrared sensor.
Further, store total number of teeth number of jiggering tooth in the described parameter memory module.
Further, store reference position, jiggering tooth diameter, the transmission shaft diameter of jiggering tooth in the described parameter memory module.
Principle of work of the present utility model is: during elevator operation, the jiggering tooth that drive motor drives on the transmission shaft rotates, the sensing counter detects the gear number P of passing through in the unit interval, and this number P fed back to computing module, computing module obtains total number of teeth number Q of jiggering tooth from parameter memory module after, then obtain the number of turns n that unit interval inner disc skiving rotates by formula n=P/Q, test out motor speed.
The beneficial effects of the utility model are:
Be compared with the prior art, the utility model has only adopted simple sensor and computing chip then to realize the measurement of elevator permanent-magnet motor speed, reduced the cost of making, and the installation site of sensing counter does not limit, make installation more flexible, space utilization is more reasonable.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing and example.
Fig. 1 is the structural representation of elevator permanent-magnet motor speed measuring device of the present utility model.
Embodiment
With reference to Fig. 1, elevator permanent-magnet motor speed measuring device of the present utility model, comprise sensing counter 1 and processing unit 2, in the present embodiment, described sensing counter 1 is preferably Hall element, sensing counter 1 is installed over against the edge of jiggering tooth 3, the number of teeth of passing through for detection of jiggering tooth 3, and feed back to processing unit 2; Described processing unit 2 comprises computing module 21, parameter memory module 22, timer 23, and described sensing counter 1, parameter memory module 22 are connected with timer and are connected respectively computing module 21, and described timer 23 connects sensing counters 1.Store total number of teeth number Q of jiggering tooth 3 in the described parameter memory module 22.
As another kind of preferred embodiment, described sensing counter 1 can also be selected infrared sensor.
The principle of work of this elevator permanent-magnet motor speed measuring device is: during elevator operation, the jiggering tooth 3 that drive motor drives on the transmission shaft rotates, sensing counter 1 detects the gear number P of passing through in the unit interval, and this number P fed back to computing module 21, computing module 21 obtains total number of teeth number Q of jiggering tooth from parameter memory module 22 after, then obtain the number of turns n that unit interval inner disc skiving 3 rotates by formula n=P/Q, thereby test out motor speed.
In addition, elevator permanent-magnet motor speed measuring device of the present utility model can also be expanded, as in parameter memory module 22, storing the parameters such as reference position, jiggering tooth diameter, transmission shaft diameter, and the number P that detects in conjunction with sensing counter 1 and total number of teeth number Q of jiggering tooth, by computing module, can be used for calculating the present data such as position of distance, car of lift car lifting.
The utility model has only adopted simple sensor and computing chip then to realize the measurement of elevator permanent-magnet motor speed, has reduced the cost of making; And the installation site of sensing counter 1 do not limit, and makes installation more flexible, and space utilization is more reasonable.
The above is preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection domain of the present utility model.
Claims (4)
1. the elevator permanent-magnet motor speed measuring device is characterized in that, comprises with lower member:
Sensing counter (1), described sensing counter (1) is installed over against the edge of jiggering tooth, the number of teeth of passing through for detection of the jiggering tooth, and feed back to processing unit (2);
Processing unit (2), described processing unit (2) comprises computing module (21), parameter memory module (22), timer (23), described sensing counter (1), parameter memory module (22) are connected 23 with timer) connect respectively computing module (21), described timer (23) connects sensing counter (1).
2. elevator permanent-magnet motor speed measuring device according to claim 1, it is characterized in that: described sensing counter (1) is Hall element or infrared sensor.
3. elevator permanent-magnet motor speed measuring device according to claim 1 and 2 is characterized in that: the total number of teeth number that stores the jiggering tooth in the described parameter memory module (22).
4. elevator permanent-magnet motor speed measuring device according to claim 3 is characterized in that: the reference position, jiggering tooth diameter, the transmission shaft diameter that store the jiggering tooth in the described parameter memory module (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320218193 CN203249931U (en) | 2013-04-25 | 2013-04-25 | Elevator permanent magnet motor speed measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320218193 CN203249931U (en) | 2013-04-25 | 2013-04-25 | Elevator permanent magnet motor speed measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203249931U true CN203249931U (en) | 2013-10-23 |
Family
ID=49376364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320218193 Expired - Lifetime CN203249931U (en) | 2013-04-25 | 2013-04-25 | Elevator permanent magnet motor speed measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203249931U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111216854A (en) * | 2020-04-15 | 2020-06-02 | 陈钦恺 | Improved electric jigger of ship host |
| CN115060922A (en) * | 2022-07-11 | 2022-09-16 | 陕西理工大学 | Photoelectric speed measurement sensor, elevator running speed control device and method |
-
2013
- 2013-04-25 CN CN 201320218193 patent/CN203249931U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111216854A (en) * | 2020-04-15 | 2020-06-02 | 陈钦恺 | Improved electric jigger of ship host |
| CN115060922A (en) * | 2022-07-11 | 2022-09-16 | 陕西理工大学 | Photoelectric speed measurement sensor, elevator running speed control device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131023 |
|
| CX01 | Expiry of patent term |