CN216785376U - Elevator with a movable elevator car - Google Patents
Elevator with a movable elevator car Download PDFInfo
- Publication number
- CN216785376U CN216785376U CN202220350566.7U CN202220350566U CN216785376U CN 216785376 U CN216785376 U CN 216785376U CN 202220350566 U CN202220350566 U CN 202220350566U CN 216785376 U CN216785376 U CN 216785376U
- Authority
- CN
- China
- Prior art keywords
- car
- module
- well
- elevator
- hall sensor
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Types And Forms Of Lifts (AREA)
- Elevator Control (AREA)
Abstract
The utility model discloses an elevator which comprises a shaft, a car, a linear motor and a Hall sensor. The car is the cuboid and is located the well, but car and well inner wall sliding connection. Linear electric motor includes primary module and secondary module respectively, and primary module installs on the car, and secondary module installs on the well, and secondary module includes steel sheet and aluminum plate, and the steel sheet is connected in the lateral part of well and is followed, be equipped with a plurality of sand grips on the steel sheet, a plurality of sand grips are from well bottom to top interval arrangement. The aluminum plate is arranged on the steel plate, a plurality of through grooves are formed in the aluminum plate, and each raised line is located in each through groove. The Hall sensor is arranged on the car. The utility model adopts the Hall sensor to be matched with the grid type secondary module to detect the running speed of the lift car, obtains the running condition of the lift car by sensing the change of the magnetic field on the raised lines, and can ensure the good running of the lift by being matched with the emergency stop device and the control module.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to an elevator.
Background
The corresponding operation management system is often needed in the use process of the elevator, along with the development of the science and technology, the corresponding safety monitoring system of the elevator is required to be more advanced and reliable, and the connection with the internet is easier to realize, so that the accurate control of the elevator data is realized, the data acquisition of parts in the elevator is particularly important, and the establishment of a perfect data acquisition and management system has important significance.
The speed detection to elevator car often realizes through the functioning speed who detects hauler or driving sheave in most elevator structures now, and the precision is not high to current elevator structure can't carry out accurate collection to the data of elevator operation, when the elevator has the trouble, can't monitor and inform the maintenance to it.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to provide an elevator that solves the above-mentioned problems of the prior art.
In order to solve the above-mentioned problems, according to one aspect of the present invention, there is provided an elevator including:
the shaft way is a channel extending along the vertical direction, and the section of the shaft way along the horizontal direction is rectangular;
the lift car is a cuboid and is positioned in the well, and the lift car is slidably connected with the inner wall of the well;
the linear motor comprises a primary module and a secondary module respectively, the primary module is installed on two opposite sides of the car and extends along the vertical direction, the secondary module is installed on two opposite sides of the well and extends from the bottom to the top of the well, the secondary module comprises a steel plate and an aluminum plate, the steel plate is connected to the side portion of the well and extends from the bottom to the top of the well, one side, close to the primary module, of the steel plate is provided with convex strips protruding towards the primary module, and the convex strips are arranged at intervals from the bottom to the top of the well; the aluminum plate is arranged on one side, close to the primary module, of the steel plate, a plurality of through grooves are formed in the aluminum plate, and each protruding strip is located in each through groove; and
the Hall sensor is arranged on the car.
In one embodiment, the hall sensors are plural and are disposed at plural sides of the car.
In one embodiment, the primary module comprises:
the iron core is mounted on the car and extends in the vertical direction; and
and the plurality of windings are wound on the iron core.
In one embodiment, the secondary module comprises:
mounting bracket, the mounting bracket install in the inner wall of well just follows the well bottom extends to the top, be equipped with the mounting groove on the mounting bracket, just the steel sheet install in the mounting bracket in the mounting groove.
In one embodiment, the tab is located within and extends beyond the through slot.
In one embodiment, one of well inner wall or the car is equipped with along the slide rail of vertical direction extension, and another is equipped with the cooperation and installs in the slider of slide rail.
In one embodiment, the elevator further comprises:
the energy-saving device comprises a storage battery and a converter, and the converter is connected to the storage battery; and
the frequency converter comprises a rectifying module, a direct current module and an inversion module, wherein the direct current module is connected with the rectifying module and the inversion module, the inversion module is connected with the linear motor, and the converter is connected with the direct current module.
In one embodiment, the elevator further comprises:
an emergency stop device for controlling the car to stop operation in an emergency;
the control module is connected to the Hall sensor and the emergency stop device, and is used for receiving an electric signal of the Hall sensor and controlling the emergency stop device to start.
The utility model adopts the Hall sensor to match with the grid type secondary module to detect the running speed of the lift car, obtains the running condition of the lift car by sensing the change of the magnetic field on the raised line, and can ensure the good running of the lift car by matching with the emergency stop device and the control module.
Drawings
Fig. 1 is a schematic view of a linear motor in one embodiment of the present invention.
Fig. 2 is a cross-sectional view of a secondary module of one embodiment of the present invention taken along a first direction.
Fig. 3 is a top view of a secondary module in one embodiment of the utility model.
Fig. 4 is a schematic view of a home elevator in one embodiment of the present invention.
Fig. 5 is a schematic view of the home elevator from different angles in one embodiment of the present invention.
Fig. 6 is a schematic view of a hall sensor and linear motor assembly in one embodiment of the utility model.
Fig. 7 is a schematic view of another angle at which the hall sensor and linear motor are assembled in one embodiment of the present invention.
Reference numerals: 100. a linear motor; 1. an iron core; 11. stator teeth; 2. a secondary module; 21. an aluminum plate; 211. a through groove; 22. a steel plate; 221. a convex strip; 200. an elevator; 201. a hoistway; 202. a car; 5. and a Hall sensor.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the utility model can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.
In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.
Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In the following description, for the purposes of clearly illustrating the structure and operation of the present invention, directional terms are used, but the terms "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be interpreted as words of convenience and should not be interpreted as limiting terms.
The present invention relates to an elevator, as shown in fig. 1 to 7, which includes a hoistway, a car, a linear motor, and a hall sensor.
The hoistway 201 has a passage extending in the vertical direction, and the hoistway 201 has a rectangular cross section in the horizontal direction.
The car 202 is rectangular and is located in the hoistway 201, and the car 202 is slidably connected to an inner wall of the hoistway 201. Specifically, a slide rail extending in the vertical direction is arranged on the hoistway 201, a slide block capable of being embedded into the slide rail is arranged on the car 202, and the car 202 slides along the hoistway 201 through the matching of the slide block and the slide rail. A slide block extending in the vertical direction may be provided in the hoistway 201, and a slide rail may be provided in the car 202, so that the car 202 and the hoistway 201 can be slidably connected.
The linear motors comprise a primary module and a secondary module 2, respectively. The primary modules are mounted to opposite sides of the car 202 and extend in a vertical direction, and the secondary modules are mounted to opposite sides of the hoistway 201 and extend from the bottom to the top of the hoistway.
The secondary module 2 comprises a steel plate 22 and an aluminum plate 21, the steel plate 22 is connected to the side part of the hoistway 201 and extends from the bottom to the top of the hoistway 201, one side of the steel plate 22 close to the primary module is provided with a convex strip 221 which protrudes towards the primary module, and the convex strips 221 are arranged at intervals from the bottom to the top of the hoistway; the aluminum plate 21 is mounted on one side of the steel plate 22 close to the primary module, and the aluminum plate 21 is provided with a plurality of through grooves 211, and each protruding strip 221 is positioned in each through groove 211.
The hall sensor 5 is used for testing the speed of the car 202, and is provided on the car 202.
The hall sensor 5 tests the speed by means of the frequency of change of the magnetic field on the induction rib 221. Specifically, the plurality of through-grooves 211 of the aluminum plate of the secondary module 2 form a grid structure, the installation of the convex strips 221 of the steel plate 22 in the through-grooves 211 strengthens the induced magnetic field generated on the aluminum plate 21, and the hall sensors 5 can induce the magnetic field on the convex strips 221. Because hall sensor 5 is installed on car 202, along with the motion of car 202, the electric current in the coil of winding constantly changes, and aluminum plate 21 produces the induction magnetic field of constantly changing, and the magnetic field of two adjacent sand grip 221 can be different, and hall sensor 5 can respond to the change of the magnetic field on the sand grip 221. The utility model can calculate the speed of the elevator car 202 and the position of the elevator car 202 by utilizing the magnetic field change frequency induced by the Hall sensor 5, the running time of the elevator 200, the distance between the convex strips 221 and the width of the convex strips 221, and the Hall sensor 5 is sensitive to the magnetic field reaction, thereby ensuring the detection accuracy, and the sensor is light and convenient to install and maintain.
In addition, a plurality of Hall sensors 5 can be installed on the car 202 and used for detecting and monitoring the running speed of the car 202 respectively, and the accuracy and the reliability of the running speed and the position detection of the system can be guaranteed by combining an emergency stop device and a control module. In practical application, when the car 202 breaks down during operation, the hall sensor 5 senses the change of the magnetic field and sends a signal to the control module, the control module sends an instruction for starting the emergency stop device according to the signal of the hall sensor 5 of the car 202, and the emergency stop device is started to make the car 202 suddenly stop after receiving the instruction of the control module. It is understood that a plurality of hall sensors 5 should be installed at the side of the car 202 at positions corresponding to the iron cores 1. The preferable scheme is that the hall sensor 5 is mounted on the steel plate 22 or the aluminum plate 21, and the closer to the iron core 1, the more accurately the magnetic field change on the convex strip 221 can be sensed, and the more accurately the test result is.
According to the utility model, the Hall sensor 5 is matched with the grid type secondary module 2 to detect the running speed of the car 202, the running condition of the car 202 is obtained by sensing the change of the magnetic field on the convex strip 221, and the elevator 200 can be ensured to run well by matching with the emergency stop device and the control module.
In addition, in order to ensure the accuracy of the test, a plurality of hall sensors 5 can be adopted, which are respectively arranged on a plurality of sides of the car 202 or other positions close to the secondary module 2. The plurality of Hall sensors 5 are tested simultaneously, any one Hall sensor 5 is damaged, and the rest Hall sensors 5 can continue to test the speed of the elevator car 202, so that the safe operation of the elevator 200 is further ensured.
The primary module comprises a core 1 and a plurality of windings, wherein the plurality of windings can be electrified with three-phase current and form a variable magnetic field, and the core 1 is used for reinforcing the magnetic field intensity formed by the plurality of windings. Specifically, the iron core is mounted on the car and extends in the vertical direction, and the plurality of windings are wound around the iron core, and the plurality of windings are energized to drive the secondary module 2 and the car 202 to move.
In addition, the secondary module further comprises a mounting bracket (not shown) for fixing the steel plate 22 to the inner wall of the hoistway 201. Specifically, the mounting bracket is installed in the inner wall of well and extends to the top along the well bottom, and is equipped with the mounting groove on the mounting bracket, and the mounting groove is towards car 202 opening and extends to the top of well from the well bottom, and the mounting groove can be used to hold steel sheet 22. The side of the steel plate 22 remote from the car 202 is mounted in the mounting channel.
Preferably, the protruding strip 221 is located within the through slot 211 and extends beyond the through slot 211. The ribs 221 protrude from the aluminum plate 21 and can be closer to the primary module, thereby reducing the air gap between the primary module and the secondary module 2.
The air gap formed between the primary module and the secondary module 2 of the present invention ranges from 2mm to 4 mm. The air gap is the gap between the stationary magnetic pole and the rotating armature, and determines the magnitude of the magnetic flux, and the larger the air gap, the more the flux leakage, and the lower the efficiency of the motor. The primary module generates a changing magnetic field through a changing current in the winding, so that the aluminum plate 21 generates an induction magnetic field, and the induction magnetic field is reinforced through the convex strips 221 of the steel plate 22. The protruding strips 221 of the present invention penetrate through the through slots 211 of the aluminum plate 21 and are further close to the magnetic field of the primary module, so that the air gap between the primary module and the secondary module 2 is reduced, and the efficiency of the linear motor 100 is increased.
Optionally, the elevator further comprises an energy saving device and a frequency converter, the energy saving device comprising a battery and a converter, the converter being connected to the battery.
The frequency converter comprises a rectifying module, a direct current module and an inversion module, the direct current module is connected with the rectifying module and the inversion module, the inversion module is connected with the linear motor, and the converter is connected with the direct current module. The storage battery is used for collecting electric quantity converted from kinetic energy or potential energy in the descending process of the car 202, and the frequency converter 4 is used for converting alternating current into direct current and storing the direct current into the storage battery.
In addition, the hall sensor 5 can also cooperate with an emergency stop device and a control module to control the operation of the car 202. Specifically, the emergency stop device can be used for controlling the car to stop operating in an emergency. The control module is connected with the Hall sensor 5 and the emergency stop device, and can receive an electric signal of the Hall sensor and control the emergency stop device to start.
In addition, the utility model also relates to a speed measuring method of the elevator 200, which comprises the following steps:
s1, the hall sensor 5 is mounted on the side of the car 202 in the sixth or fourth embodiment, and is located on the side close to the secondary module 2, and the hall sensor 5 is connected to the control module of the linear motor 100 by a signal.
S2, starting the linear motor 100, the hall sensor 5 sensing the reluctance change of the protruding strip 221 and sending a signal to the control module of the linear motor 100, the control module calculating the running distance of the linear motor 100 according to the number of reluctance changes, the size of the protruding strip 221 and the distance between two adjacent protruding strips 221, and then calculating the speed of the linear motor 100 according to the running time of the linear motor 100.
According to the utility model, the Hall sensor 5 is matched with the linear motor 100 to test the speed of the car 202, the Hall sensor 5 is used for testing the running speed of the car 202, and the Hall sensor 5 is sensitive to the induction of a magnetic field, so that the detection accuracy is ensured, and the device is simple to operate and convenient to install and maintain.
While the preferred embodiments of the present invention have been illustrated and described in detail, it should be understood that various changes and modifications of the utility model can be effected therein by those skilled in the art after reading the above teachings of the utility model. Such equivalents are intended to fall within the scope of the claims appended hereto.
Claims (8)
1. An elevator, characterized by comprising:
the shaft is a channel extending along the vertical direction, and the section of the shaft along the horizontal direction is rectangular;
the lift car is a cuboid and is positioned in the well, and the lift car is slidably connected with the inner wall of the well;
the linear motor comprises a primary module and a secondary module respectively, the primary module is installed on two opposite sides of the car and extends along the vertical direction, the secondary module is installed on two opposite sides of the well and extends from the bottom to the top of the well, the secondary module comprises a steel plate and an aluminum plate, the steel plate is connected to the side portion of the well and extends from the bottom to the top of the well, one side, close to the primary module, of the steel plate is provided with convex strips protruding towards the primary module, and the convex strips are arranged at intervals from the bottom to the top of the well; the aluminum plate is arranged on one side, close to the primary module, of the steel plate, a plurality of through grooves are formed in the aluminum plate, and each protruding strip is located in each through groove; and
the Hall sensor is arranged on the car.
2. The elevator according to claim 1, characterized in that the hall sensor is plural and provided at plural sides of the car.
3. The elevator of claim 1, wherein the primary module comprises:
the iron core is mounted on the car and extends in the vertical direction; and
and the plurality of windings are wound on the iron core.
4. The elevator according to claim 3, characterized in that said secondary module comprises:
mounting bracket, the mounting bracket install in the inner wall of well just follows the well bottom extends to the top, be equipped with the mounting groove on the mounting bracket, just the steel sheet install in the mounting bracket in the mounting groove.
5. The elevator of claim 3, wherein the ribs are located within and extend beyond the through slots.
6. The elevator according to claim 1, characterized in that one of the inner wall of the shaft or the car is provided with a slide rail extending in a vertical direction, and the other is provided with a slide block fitted to the slide rail.
7. The elevator according to claim 1, characterized in that it further comprises:
the energy-saving device comprises a storage battery and a converter, and the converter is connected to the storage battery; and
the frequency converter comprises a rectifying module, a direct current module and an inversion module, wherein the direct current module is connected with the rectifying module and the inversion module, the inversion module is connected with the linear motor, and the converter is connected with the direct current module.
8. The elevator according to claim 1, characterized in that it further comprises:
an emergency stop device for controlling the car to stop operation in an emergency;
the control module is connected to the Hall sensor and the emergency stop device, and is used for receiving an electric signal of the Hall sensor and controlling the emergency stop device to start.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220350566.7U CN216785376U (en) | 2022-02-21 | 2022-02-21 | Elevator with a movable elevator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220350566.7U CN216785376U (en) | 2022-02-21 | 2022-02-21 | Elevator with a movable elevator car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216785376U true CN216785376U (en) | 2022-06-21 |
Family
ID=82018730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220350566.7U Active CN216785376U (en) | 2022-02-21 | 2022-02-21 | Elevator with a movable elevator car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216785376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291684A (en) * | 2022-02-21 | 2022-04-08 | 同济大学 | Elevator and elevator measuring method |
-
2022
- 2022-02-21 CN CN202220350566.7U patent/CN216785376U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291684A (en) * | 2022-02-21 | 2022-04-08 | 同济大学 | Elevator and elevator measuring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5751076A (en) | Drive system for lifts | |
| CN216785376U (en) | Elevator with a movable elevator car | |
| EP2999652B1 (en) | Self-propelled elevator with wireless power supply | |
| US8860356B2 (en) | Variable magnetic flux motor drive system | |
| CN112225028B (en) | Current-sensing elevator operation data acquisition system and acquisition method thereof | |
| US20110156619A1 (en) | Linear synchronous motor control method and control apparatus | |
| JP3965934B2 (en) | Moving body control device and moving body system | |
| CN101816122A (en) | Restriction of output of electrical drive and protection of an elevator | |
| CN102017390B (en) | Determination of position of rotor of electric machine | |
| CN1301664A (en) | Lift | |
| CN112721668A (en) | Position self-alignment device of dynamic wireless charging system and charging control method thereof | |
| US20190036370A1 (en) | Elevator system, wireless power transmission system, power transmitting device, power transmitting electrode unit, and power transmission method | |
| CN217789540U (en) | Motion system and linear motor | |
| CN110589643A (en) | Elevator car re-leveling control system and implementation method thereof | |
| KR101191328B1 (en) | Linear motor | |
| CN114291684A (en) | Elevator and elevator measuring method | |
| CN213173034U (en) | Airing machine lifting stroke control system and airing machine | |
| CN216785398U (en) | Energy-saving elevator | |
| CN111638072A (en) | Maglev train dynamic performance test system | |
| WO2016060408A1 (en) | Apparatus for detecting overheating of motor | |
| CN212503493U (en) | Elevator system stops part capability test device | |
| CN219627549U (en) | Brushless direct current motor with external Hall device | |
| CN218005712U (en) | Direct-drive cable peeling mechanism with wireless charging and energy supplementing functions | |
| CN204695454U (en) | A kind of vehicle of magnetic levitation technology that adopts is stamped the card jacking system | |
| CN214733609U (en) | Magnetic induction type speed limiter tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |