Linear motor structure convenient for replacing Hall sensor

Abstract

The utility model relates to the technical field of Hall sensors, and provides a linear motor structure convenient for replacing a Hall sensor, which comprises a linear motor assembly comprising a motor aluminum shell, and further comprises a motor fixed rail fixedly arranged on the inner wall of the motor aluminum shell, a plurality of motor coil groups are arranged on the outer surface of the motor fixed rail; the Hall plug is arranged at one end of the motor coil assembly, and a plurality of through holes are formed in the outer surface of the Hall plug; the Hall small plate is movably installed at the end, close to the motor coil assembly, of the Hall plug, and a screw is movably installed on the inner wall of the Hall small plate; when the linear motor assembly is used, the Hall small plate is fixed on the Hall plug, so that a worker can directly and independently disassemble and assemble the Hall small plate from the lower part of the linear motor assembly, the working process of the worker is simplified, the working efficiency is improved, and the whole linear motor assembly is prevented from being disassembled for replacement.

Description

Technical Field

[0001] The utility model relates to the technical field of Hall sensors, in particular to a linear motor structure which is convenient for replacing Hall sensors. Background Art

[0002] The Hall sensor is a sensor that works based on the Hall effect principle. It can convert changes in the magnetic field into electrical signal output and is widely used in various occasions that require detection of magnetic fields or currents.

[0003] However, the prior art has the following disadvantages when used: the current linear motor stator (primary) for magnetic levitation automatic door tracks, the Hall sensor is mainly fixed on the main control PCB board or fixed at a certain position of the silicon steel sheet coil group. We can move the main control PCB board to the side of the motor group, but the Hall sensor must be used as a positioning device at the corresponding position of the silicon steel sheet coil group. As an electronic component, the Hall sensor may be damaged, and the entire motor group needs to be disassembled for replacement, which is very inconvenient. Therefore, it is necessary to design a structure that allows the Hall sensor to be easily and directly replaced. Therefore, a linear motor structure that is easy to replace the Hall sensor is urgently needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that the stator (primary) of the linear motor currently used for the magnetic levitation automatic door track, the Hall sensor is mainly fixed on the main control PCB board or fixed at a certain position of the silicon steel sheet coil group. We can move the main control PCB board to the side of the motor group, but the Hall sensor must be used as a positioning at the position corresponding to the silicon steel sheet coil group. As an electronic component, the Hall sensor may be damaged, and the entire motor group needs to be disassembled for replacement, which is very inconvenient. Therefore, it is necessary to design a structure that allows the Hall sensor to be conveniently and directly replaced.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a linear motor structure that is convenient for replacing a Hall sensor, comprising: a linear motor assembly, the linear motor assembly including a motor aluminum shell, and also comprising:

[0006] A motor track is fixedly mounted on the inner wall of the motor aluminum shell, and a plurality of motor coil groups are arranged on the outer surface of the motor track;

[0007] A Hall plug is arranged at one end of the motor coil assembly, and a plurality of through holes are formed on the outer surface of the Hall plug;

[0008] A small Hall plate is movably mounted on one end of the Hall plug close to the motor coil assembly, and a screw is movably mounted on the inner wall of the small Hall plate;

[0009] The Hall sensor body is arranged on the outer surface of the Hall plate, and a Hall cable is clamped on one end of the Hall plate away from the screw.

[0010] Preferably, the cable of the Hall sensor body passes through the through hole, and the screw passes through one end of the Hall plate and is threadedly installed on one end of the Hall plug.

[0011] The technical effect of adopting the above-mentioned further scheme is: the staff introduces the male head of the electronic wire connection terminal of the Hall sensor body into the Hall plug from the side of the Hall plug, and then pulls it out from the through hole. The Hall sensor body is fixed on the outer surface of the Hall small plate by means including but not limited to welding. The Hall small plate is provided with a female head of the electronic wire connection terminal, which is convenient for matching and connecting with the male head of the electronic wire connection terminal of the Hall sensor body. After the male head of the electronic wire connection terminal of the Hall sensor body is connected to the female head of the electronic wire connection terminal of the Hall small plate, it is inserted from the through hole opening below the Hall plug, and the Hall small plate with the Hall sensor body is fixed to the Hall plug by screws, so as to improve the stability of the Hall small plate and the Hall plug. The Hall board is connected to the external computer board through the through hole through the Hall cable, and the through hole is sealed with a label sticker. If there is a problem with the Hall sensor body in the future, the staff can tear off the label sticker at the through hole, use a screwdriver to remove the screws, take out the Hall board with the Hall sensor body fixed, loosen the Hall cable and replace the new Hall board with the Hall sensor body, put it into the Hall plug and fix it with screws, and seal it with a sticker. The Hall board is fixed on the Hall plug, so that the staff can directly perform quick disassembly and installation of the Hall board from the bottom of the linear motor assembly, which is conducive to simplifying the staff's work process and improving work efficiency, while avoiding the need to disassemble the entire linear motor assembly for replacement.

[0012] Preferably, a moving rail is provided at one end of the linear motor assembly, and a main fixed rail is provided on the outer surface of the motor aluminum shell away from the motor fixed rail.

[0013] The technical effect of adopting the above further solution is that the linear motor assembly is adjacent to the moving rail, which facilitates the coordinated use of the moving rail and the linear motor assembly.

[0014] Preferably, an inner groove is provided on the inner wall of the main fixed rail, and an outer groove is provided on one end of the main fixed rail close to the inner groove.

[0015] The technical effect of adopting the above further solution is that the inner groove and the outer groove on the inner wall of the main fixed rail are convenient for providing installation positions and spaces for the moving rail and the motor aluminum shell.

[0016] Preferably, the outer surface of the motor aluminum shell is fixedly mounted on the inner wall of the inner groove, and the outer surface of the movable rail is slidably mounted on the inner wall of the outer groove.

[0017] The technical effect of adopting the above further solution is that the motor aluminum shell is fixed on the inner groove of the main fixed rail, which is convenient for enhancing the stability of the linear motor assembly during operation.

[0018] Preferably, a built-in lock is provided at one end of the linear motor assembly away from the Hall plug, and a stopper is provided at one end of the linear motor assembly away from the built-in lock.

[0019] The technical effect of adopting the above further solution is: the setting of the built-in lock is convenient for combined use with the linear motor assembly, and the travel of the movable rail is limited by the stopper to prevent the movable rail from escaping from the outer groove.

[0020] Preferably, the outer surface of the stopper contacts one end of the moving rail, and the Hall plate is located below the main fixed rail.

[0021] The technical effect of adopting the above further solution is that the Hall plate is located below the main rail, which makes it convenient for the staff to quickly disassemble and install the Hall plate separately from under the linear motor assembly.

[0022] Preferably, a through hole is opened on the outer surface of the motor aluminum shell close to the Hall plate, and the width of the through hole is greater than the width of the Hall cable.

[0023] The technical effect of adopting the above further solution is that the width of the through hole is greater than the width of the Hall cable, which facilitates the Hall cable to pass through the through hole to connect to the external computer board.

[0024] Compared with the prior art, the advantages and positive effects of the utility model are:

[0025] 1. In the utility model, when in use, the Hall plate is fixed on the Hall plug, so that the staff can directly and separately quickly disassemble and install the Hall plate from below the linear motor assembly, which is conducive to simplifying the work process of the staff, improving work efficiency, and avoiding the need to disassemble the entire linear motor assembly for replacement.

[0026] 2. In the utility model, when in use, the Hall plug is connected to one end of the motor coil group by including but not limited to being clamped, so as to enhance the stability between the two and prevent the Hall plug from falling off. At the same time, it is convenient to replace the position of the Hall plug, which is beneficial to enable the Hall plug and the Hall plate to have the function of flexible installation in the linear motor assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A three-dimensional structural schematic diagram of a linear motor structure that is convenient for replacing a Hall sensor provided by the utility model;

[0028] Figure 2A three-dimensional structural schematic diagram of an unfolded linear motor structure that is convenient for replacing a Hall sensor provided by the utility model;

[0029] Figure 3 A three-dimensional structural schematic diagram of a local linear motor structure that is convenient for replacing a Hall sensor provided by the utility model;

[0030] Figure 4 A linear motor structure that is convenient for replacing a Hall sensor provided by the utility model Figure 1 Enlarged view of point A.

[0031] Legend: 1. Linear motor assembly; 101. Motor aluminum shell; 102. Motor rail; 103. Motor coil assembly; 104. Through hole; 2. Main rail; 201. Inner groove; 202. Outer groove; 3. Built-in lock; 4. Hall sensor body; 5. Stopper; 6. Hall plug; 601. Through hole; 7. Hall plate; 701. Screw; 702. Hall cable; 8. Moving rail. DETAILED DESCRIPTION

[0032] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0034] Embodiment 1, as Figure 1 - Figure 4 As shown, the utility model provides a linear motor structure that is easy to replace the Hall sensor, including: a linear motor assembly 1, the linear motor assembly 1 includes a motor aluminum shell 101, and also includes:

[0035] The motor rail 102 is fixedly mounted on the inner wall of the motor aluminum shell 101, and a plurality of motor coil groups 103 are arranged on the outer surface of the motor rail 102;

[0036] The Hall plug 6 is arranged at one end of the motor coil assembly 103, and a plurality of through holes 601 are formed on the outer surface of the Hall plug 6;

[0037] The Hall plate 7 is movably mounted on one end of the Hall plug 6 close to the motor coil assembly 103, and a screw 701 is movably mounted on the inner wall of the Hall plate 7;

[0038] The Hall sensor body 4 is arranged on the outer surface of the Hall plate 7 , and the Hall cable 702 is clamped on one end of the Hall plate 7 away from the screw 701 .

[0039] In this embodiment, when in use, the staff introduces the male head of the electronic wire connection terminal of the Hall sensor body 4 into the Hall plug 6 from the side of the Hall plug 6, and then pulls it out from the through hole 601. The Hall sensor body 4 is fixed on the outer surface of the Hall small plate 7 by means including but not limited to welding. The board of the Hall small plate 7 is provided with a female head of the electronic wire connection terminal, which is convenient for matching and connecting with the male head of the electronic wire connection terminal of the Hall sensor body 4. After the male head of the electronic wire connection terminal of the Hall sensor body 4 is connected to the female head of the electronic wire connection terminal of the Hall small plate 7, it is inserted from the opening of the through hole 601 below the Hall plug 6, and the Hall small plate 7 with the Hall sensor body 4 is fixed on the Hall plug 6 by screws 701, so as to improve the stability of the Hall small plate 7 and the Hall plug 6. The Hall small plate 7 through The Hall cable 702 passes through the through hole 104 to be connected to the external computer board, and the through hole 104 is sealed with a label sticker. If there is a problem with the Hall sensor body 4 in the future, the staff can tear off the label sticker at the through hole 104, use a screwdriver to remove the screw 701, take out the Hall small plate 7 with the Hall sensor body 4 fixed, loosen the Hall cable 702, and replace it with a new Hall small plate 7 with the Hall sensor body 4, then put it into the Hall plug 6 and fix it with the screw 701, and seal it with a sticker. The Hall small plate 7 is fixed on the Hall plug 6, so that the staff can directly perform quick disassembly and quick installation of the Hall small plate 7 from the bottom of the linear motor assembly 1, which is conducive to simplifying the staff's work process and improving work efficiency, while avoiding the need to disassemble the entire linear motor assembly 1 for replacement.

[0040] Embodiment 2, as Figure 1 - Figure 4 As shown, the cable of the Hall sensor body 4 passes through the through hole 601, the screw 701 passes through one end of the Hall plate 7 and is threadedly installed at one end of the Hall plug 6, a moving rail 8 is provided at one end of the linear motor assembly 1, and a main fixed rail 2 is provided on the outer surface of the motor aluminum shell 101 away from the motor fixed rail 102, and an inner groove 201 is provided on the inner wall of the main fixed rail 2, and an outer groove 202 is provided on the end of the main fixed rail 2 close to the inner groove 201, the outer surface of the motor aluminum shell 101 is fixedly installed on the inner wall of the inner groove 201, and the outer surface of the moving rail 8 is slidably installed on the inner wall of the outer groove 202, a built-in lock 3 is provided on the end of the linear motor assembly 1 away from the Hall plug 6, and a stopper 5 is provided on the end of the linear motor assembly 1 away from the built-in lock 3, and the outer surface of the stopper 5 contacts one end of the moving rail 8, the Hall plate 7 is located below the main fixed rail 2, and a through hole 104 is opened on the outer surface of the motor aluminum shell 101 close to the Hall plate 7, and the width of the through hole 104 is greater than the width of the Hall cable 702.

[0041] In this embodiment, when in use, the Hall plug 6 is connected to one end of the motor coil group 103 by including but not limited to being clamped, so as to enhance the stability between the two and prevent the Hall plug 6 from falling off, and to facilitate the replacement of the position of the Hall plug 6. The motor fixed rail 102 is fixed in the motor aluminum shell 101, so as to improve the stability of the linear motor assembly 1. The motor aluminum shell 101 is fixed on the inner groove 201 of the main fixed rail 2, so as to enhance the stability of the linear motor assembly 1 during operation. The movable rail 8 is slidably installed on the outer groove 202 of the main fixed rail 2, so as to facilitate the coordinated use of the movable rail 8 and the linear motor assembly 1. The setting of the built-in lock 3 is convenient for combined use with the linear motor assembly 1. The travel of the movable rail 8 is limited by the stopper 5. After power is turned on, the linear motor assembly 1 generates magnetic force, which acts on the permanent magnet on the movable rail 8 to control the movable rail 8 to move. The movable rail 8 then controls the door body fixed to it externally to move.

[0042] Working principle: When in use, the staff guides the male head of the electronic wire connection terminal of the Hall sensor body 4 into the Hall plug 6 from the side of the Hall plug 6, and then pulls it out from the through hole 601. The Hall sensor body 4 is fixed on the outer surface of the Hall small plate 7 by means including but not limited to welding. The Hall small plate 7 is provided with a female head of the electronic wire connection terminal, which is convenient for matching and connecting with the male head of the electronic wire connection terminal of the Hall sensor body 4. After the male head of the electronic wire connection terminal of the Hall sensor body 4 is connected to the female head of the electronic wire connection terminal of the Hall small plate 7, it is inserted from the opening of the through hole 601 below the Hall plug 6, and the Hall small plate with the Hall sensor body 4 is inserted. The plate 7 is fixed to the Hall plug 6 by screws 701, which is convenient for improving the stability of the Hall small plate 7 and the Hall plug 6. The Hall small plate 7 is connected to the external computer board through the through hole 104 through the Hall cable 702. The through hole 104 is sealed with a sticker. If there is a problem with the Hall sensor body 4 in the future, the staff can tear off the sticker at the through hole 104, use a screwdriver to remove the screws 701, take out the Hall small plate 7 with the Hall sensor body 4 fixed, loosen the Hall cable 702, replace the new Hall small plate 7 with the Hall sensor body 4, put it into the Hall plug 6, fix it with screws 701, and seal it with a sticker. 7 is fixed on the Hall plug 6, so that the staff can directly perform quick disassembly and quick installation of the Hall small plate 7 from the bottom of the linear motor assembly 1, which is conducive to simplifying the staff's work process and improving work efficiency. At the same time, it is avoided that the entire linear motor assembly 1 is disassembled for replacement. When in use, the Hall plug 6 is connected to one end of the motor coil group 103 by including but not limited to being clamped, so as to enhance the stability between the two and prevent the Hall plug 6 from falling off. At the same time, it is convenient to replace the position of the Hall plug 6. The motor rail 102 is fixed in the motor aluminum shell 101, so as to improve the stability of the linear motor assembly 1. The motor aluminum shell 101 is fixed on the inner groove 201 of the main rail 2, so as to facilitate To enhance the stability of the linear motor assembly 1 during operation, the movable rail 8 is slidably installed on the outer groove 202 of the main fixed rail 2, which is convenient for the movable rail 8 and the linear motor assembly 1 to be used in combination. The setting of the built-in lock 3 is convenient for combined use with the linear motor assembly 1. The travel of the movable rail 8 is limited by the stopper 5. After power is turned on, the linear motor assembly 1 generates magnetic force, which acts on the permanent magnet on the movable rail 8 to control the movement of the movable rail 8. The movable rail 8 then controls the external door body fixed thereto to move. According to the requirements of the linear motor assembly 1, the Hall plug 6 can be designed in the middle of the linear motor assembly 1 and at any specified position on both sides. According to different needs, 2-8 magnetic levitation motors are placed in each set.

[0043] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A linear motor structure that facilitates replacement of a Hall sensor, comprising a linear motor assembly (1), wherein the linear motor assembly (1) comprises a motor aluminum shell (101), characterized in that: Also includes: A motor track (102) is fixedly mounted on the inner wall of the motor aluminum shell (101), and a plurality of motor coil groups (103) are arranged on the outer surface of the motor track (102); A Hall plug (6) is arranged at one end of the motor coil group (103), and a plurality of through holes (601) are formed on the outer surface of the Hall plug (6); A small Hall plate (7) is movably mounted on one end of the Hall plug (6) close to the motor coil group (103), and a screw (701) is movably mounted on the inner wall of the small Hall plate (7); The Hall sensor body (4) is arranged on the outer surface of the Hall plate (7), and the Hall cable (702) is clamped on one end of the Hall plate (7) away from the screw (701).

2. A linear motor structure for facilitating replacement of a Hall sensor according to claim 1, characterized in that: The cable of the Hall sensor body (4) passes through the through hole (601), and the screw (701) passes through one end of the Hall plate (7) and is threadedly installed on one end of the Hall plug (6).

3. The linear motor structure for facilitating replacement of Hall sensors according to claim 2, characterized in that: A moving rail (8) is provided at one end of the linear motor assembly (1), and a main fixed rail (2) is provided on the outer surface of the motor aluminum shell (101) away from the motor fixed rail (102).

4. The linear motor structure for facilitating replacement of a Hall sensor according to claim 3, characterized in that: The inner wall of the main fixed rail (2) is provided with an inner groove (201), and the end of the main fixed rail (2) close to the inner groove (201) is provided with an outer groove (202).

5. The linear motor structure for facilitating replacement of Hall sensors according to claim 4, characterized in that: The outer surface of the motor aluminum shell (101) is fixedly mounted on the inner wall of the inner groove (201), and the outer surface of the movable rail (8) is slidably mounted on the inner wall of the outer groove (202).

6. The linear motor structure for facilitating replacement of Hall sensors according to claim 5, characterized in that: An end of the linear motor assembly (1) away from the Hall plug (6) is provided with a built-in lock (3), and an end of the linear motor assembly (1) away from the built-in lock (3) is provided with a stopper (5).

7. The linear motor structure for facilitating replacement of Hall sensors according to claim 6, characterized in that: The outer surface of the stopper (5) contacts one end of the moving rail (8), and the Hall plate (7) is located below the main fixed rail (2).

8. The linear motor structure for facilitating replacement of Hall sensors according to claim 7, characterized in that: A through hole (104) is provided on the outer surface of the motor aluminum shell (101) close to the Hall plate (7), and the width of the through hole (104) is greater than the width of the Hall cable (702).

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