CN219654523U - Linear motor double-door driving control system - Google Patents
Linear motor double-door driving control system Download PDFInfo
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- CN219654523U CN219654523U CN202222623134.1U CN202222623134U CN219654523U CN 219654523 U CN219654523 U CN 219654523U CN 202222623134 U CN202222623134 U CN 202222623134U CN 219654523 U CN219654523 U CN 219654523U
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- 238000012423 maintenance Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract description 12
- 230000010354 integration Effects 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 210000001503 joint Anatomy 0.000 description 1
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Abstract
The utility model discloses a linear motor double door driving control system, which comprises a controller, a position monitoring part and a linear motor for driving a vehicle door to move, wherein the controller is embedded and arranged on a bearing guide rail of the vehicle door system, and sockets arranged on two sides of the controller are respectively connected with primary stators and the position monitoring part of the linear motors on two sides through cables and a conversion system part; the primary stator is arranged on the bearing guide rail, and the secondary rotor of the linear motor is arranged at the top end of the vehicle door; the position monitoring component is arranged at the notch of the three-phase coil of the primary stator and is encapsulated with the notch into a whole. The utility model can control single-door and double-door systems in a compatible way, has a plurality of applicable scenes, has simple structure, is convenient to install and maintain, has low cost, saves installation space, and has high integration degree and high standardization degree.
Description
Technical Field
The utility model belongs to the field of railway vehicle door control, and particularly relates to a linear motor double door driving control system.
Background
The existing rail transit vehicle door generally adopts a single controller to drive a rotating motor, and converts rotary motion into linear motion in a mode of a screw rod nut, a synchronous belt and the like, so that the defects of complex conversion mechanism, high assembly difficulty, large noise, large occupied space and difficult maintenance exist. The linear motor is a transmission device for converting electric energy into linear motion mechanical energy without any intermediate conversion mechanism, and has the advantages of simple structure, high positioning accuracy, high reaction speed, safe and reliable work, long service life and the like.
The existing rail transit driving control system mostly adopts grating ruler, magnetic grating ruler and the like as position feedback, and the additional positions are difficult to install and high in installation cost. The controller adopted by the existing rail transit driving control system can only independently control a single-door system or independently control a double-door system, and cannot be compatible, and the left door control and the right door control adopt different control standards and logics; the cable is also very disordered with the controller interface department, and is not pleasing to the eye enough, has the potential safety hazard, and the installation of controller needs to occupy extra space.
Disclosure of Invention
The utility model aims to: in order to solve the defects in the prior art, the utility model provides the linear motor double-door driving control system which is highly integrated with a linear motor vehicle door system, is simple to control, has strong applicability and high standardization degree, and is convenient to maintain.
The technical scheme is as follows: the utility model comprises a controller, a position monitoring component and a linear motor, wherein the controller, the position monitoring component and the linear motor are arranged on a bearing guide rail and are connected through a cable or a conversion system component, and the cable comprises a vehicle-mounted power line, a vehicle-mounted signal line, a vehicle door load line and the like. The left door leaf and the right door leaf of the double-door opening system are respectively provided with a linear motor, and sockets at the left side and the right side of the controller are respectively connected with linear motor assemblies at the left side and the right side. The linear motor comprises a primary stator arranged on the bearing guide rail and a secondary rotor arranged at the top of the door leaf, the position monitoring component is arranged at the notch of the three-phase coil of the primary stator of the linear motor and is encapsulated with the primary stator into a whole, the acquired position sensing signals of the position monitoring component respectively enter the left motor driving control module and the right motor driving control module, and the controller drives the door leaf to move based on the acquired signals.
For saving installation space, being suitable for more track door systems and installation scenes, the controller is embedded to be installed on a bearing guide rail of the door system and is fused with a linear motor stator part for installation, so that additional installation space is not needed, and the overall integration level is high.
In order to facilitate connection of cables and save installation space, the left side and the right side of the controller with the cuboid structure are respectively provided with a socket, and the front surface, the rear surface, the upper surface and the lower surface are all sealing surfaces; the left and right side interfaces are respectively connected with the left and right side linear motor stators and the position monitoring component.
Preferably, the linear motor double door driving control system can control a single door system or a double door system in a compatible mode.
Preferably, the position monitoring means comprises 3 hall sensors placed at intervals of positive and negative polarities, 120 degrees out of phase with each other.
Preferably, if the vehicle door is at the left side of the controller, only the left half part of the double door driving control system is connected by wires, and a single door driving special interface is used; if the vehicle door is on the right side of the controller, the right half part of the double door driving control system is only connected, so that the application scene is increased.
The controller comprises a microprocessor, a left motor driving control module, a right motor driving control module, an input/output control module and an upgrading maintenance module. The left motor driving control module comprises a left power driving module, a left current sampling module and a left position feedback module; the right motor control module and the left motor drive control module which are symmetrically arranged keep the same standard, namely the right motor drive control module comprises a right power drive module, a right current sampling module and a right position feedback module.
Preferably, the left power driving module and the right power driving module are respectively high-voltage integrated intelligent power modules IPM or low-voltage independent discrete component mos tubes.
In order to ensure the use safety and improve the use experience, the upgrade maintenance module is provided with a USB connection port and a Bluetooth connection port to realize program upgrade and fault downloading.
In order to avoid the synchronization problem caused by the control of a plurality of microprocessors, the cost is saved, and the microprocessors adopt a single-master-drive technical scheme. The microprocessor processes the collected multipath signals in real time, including input signals, position feedback signals of the left and right linear motor assemblies, current sampling signals and the like, so that the driving of the left and right motors and the output control of the whole system are realized.
Preferably, the microprocessor employs a single MCU or DSP.
In order to reduce the interference to the stator induced magnetic field and the influence to the length of the air gap, the position monitoring component adopts 3 Hall sensors which are respectively arranged at the notch of the three-phase coil of the stator of the linear motor; the 3 Hall sensors are 120 DEG phase-different and are arranged at intervals of positive and negative polarities.
In order to avoid that the sockets on the left side and the right side of the controller are difficult to distinguish, the installation and maintenance difficulty is reduced, the pins at the sockets on the left side and the jacks of corresponding matched terminals are provided with anti-misplug treatment measures, and when any pin leaves a factory, the terminals are matched, so that the socket can only be installed in a matched mode through the jacks which are also subjected to the anti-misplug treatment, and misplug of the left socket and the right socket is prevented.
Furthermore, the cable and the conversion system component are provided with fool-proof and error-proof treatment measures.
The beneficial effects are that: compared with the prior art, the utility model has the following advantages: 1. the controller is embedded on a bearing guide rail of the vehicle door system, is fused with a linear motor stator component, and is connected with jacks arranged on the left side and the right side of the controller through a cable and a conversion system component, so that the installation space is saved, and the integration degree is high; 2. the control system is compatible with a single-door system and a double-door system, is independent, flexible and convenient to control, and has high standardization degree; 3. the system is suitable for various rail vehicle door systems, has multiple application scenes, strong universality and convenient installation and maintenance; 4. the position monitoring part adopts three Hall sensors, and has simple structure and low cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the controller;
FIG. 3 is a schematic view of the mounting state of the Hall position monitoring component;
fig. 4 is an external view of the controller.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 4, a linear motor double door driving control system comprises a controller 2, a left position monitoring part 11, a right position monitoring part 31, a left linear motor assembly 1 and a right linear motor assembly 3 which are arranged on a bearing guide rail 4 and are connected through cables or a conversion system part 5, wherein the cables comprise a vehicle-mounted power line, a vehicle-mounted signal line, a vehicle door load line and the like. The left door leaf and the right door leaf of the double-door opening system are respectively provided with a linear motor for the movement of the vehicle door, and sockets on the left side and the right side of the controller 2 are respectively connected with linear motor assemblies on the left side and the right side. The linear motor comprises a primary stator 12 arranged on the bearing guide rail 4 and a secondary rotor 13 arranged on the top of the door leaf, the position monitoring component 11 is arranged at the notch of the three-phase coil of the primary stator of the linear motor, the position monitoring component and the primary stator 12 are encapsulated into a whole, the acquired position sensing signals of the position monitoring component enter the left motor driving control module 22 and the right motor driving control module 23 respectively, and the controller 2 drives the door leaf to move based on the acquired signals. The position monitoring component comprises 3 Hall sensors which are 120-degree phase difference and are arranged at intervals of positive and negative polarities.
A bearing guide rail 4 with a semi-open structure at the upper part is arranged above the sliding door system driven by the linear motor, a groove is arranged in the middle of the bearing guide rail 4, and the controller 2 is embedded in the groove. The front, back, upper and lower sides of the controller 2 with a cuboid structure are flat sealing surfaces, and the left side and the right side are provided with connectors for connecting a linear motor, as shown in fig. 4.
The plug on the left side of the controller 2 and the jack matched with the corresponding terminal are subjected to misplug prevention treatment, so that the connection errors of position monitoring components consisting of cables on the left side and the right side, primary stators of the linear motor or Hall sensors are prevented, the running direction of a door leaf after a switch instruction is executed is influenced, the standardization and consistency of controller software are maintained, and the device is suitable for the situation that cables are routed without redundant installation spaces above a plurality of gate controllers. As shown in fig. 1, in the driving control system, when single door control is performed, the specific connection mode is that when left door control is performed, the linear motor is connected to the left side of the controller according to the left half part, so that the driving interface 14 is kept unchanged; when the right door control is performed, the linear motor is positioned at the left side of the controller, and then the controller 2 is in butt joint with the right door linear motor stator 32 to drive the right door linear motor stator 32. The 2 door leaves of the double door system correspond to 2 linear motor assemblies, and each linear motor assembly 1 comprises a primary stator 12, a position monitoring module 11 and a secondary rotor 13.
The linear motor double-door driving control system can control a single-door system and a double-door system in a compatible mode. As shown in fig. 2, the controller includes a microprocessor 21, a left motor drive control module 22, a right motor drive control module 23, an input/output control module 24, and an upgrade maintenance module 25. The left motor driving control module 22 includes a left power driving module 221, a left current sampling module 222, and a left position feedback module 223; the symmetrically arranged right motor control module 23 and the left motor driving control module 22 maintain the same standard, namely, the right motor control module comprises a right power driving module 231, a right current sampling module 232 and a right position feedback module 233.
The microprocessor 21 processes the collected multipath signals including the input signals, the current sampling signals, the position feedback of the left and right linear motor assemblies and other signals by adopting a single MCU, thereby realizing the driving of the left and right motors and the output control of the whole system. The scheme of single main drive can avoid the synchronization problem caused by the control of a plurality of microprocessors, and simultaneously saves the cost. The power driving modules 221 and 231 of the left and right linear motors are composed of low-voltage independent discrete components mos tubes or high-voltage integrated intelligent power modules IPM, and the upgrading maintenance module 25 realizes program upgrading and fault downloading through a USB or Bluetooth interface of the controller.
The position monitoring component comprises three Hall sensors, the three Hall sensors are mutually 120-degree phase difference and are sequentially arranged at the notch of the three-phase coil of the stator in positive and negative polarities, so that interference of a stator induction magnetic field and influence on the length of an air gap are reduced. The position monitoring component is integrally installed and encapsulated with the stator 12, and position sensing signals thereof respectively enter the left motor driving control module 22 and the right motor driving control module 23, as shown in fig. 3.
The operation steps of the linear motor double door driving control system are as follows: the single MCU drive controller drives two paths of direct current motors through the left and right paths of completely independent motor drive control modules 22 and 23, receives vehicle control signals, local control signals and the like through the input/output module 24, simultaneously receives position input signals of the left and right position monitoring modules 11 and 31, three-phase current sampling signals or bus current sampling signals of the linear motors, calculates and outputs PWM signals to the left and right motor drive control modules 22 and 23, and controls the linear motors to drive the left and right door leaves 6 and 7 to cooperatively or synchronously perform linear motion along the direction of the bearing guide rail 4. In the normal working process, the left and right motor driving control modules 22 and 23 can monitor the temperature in real time, realize the functions of overcurrent protection, self-diagnosis and the like, and ensure the normal operation of the linear motor.
Claims (8)
1. The double-door driving control system of the linear motor comprises a controller (2), a position monitoring part and the linear motor for driving the vehicle door to move, and is characterized in that the controller (2) is embedded and arranged on a bearing guide rail (4) of the vehicle door system, and sockets arranged on two sides of the controller are respectively connected with a primary stator of the linear motor on two sides and the position monitoring part through cables and a conversion system part (5); the primary stator is arranged on the bearing guide rail (4), and the secondary rotor of the linear motor is arranged at the top end of the vehicle door; the position monitoring component is arranged at the notch of the three-phase coil of the primary stator and is encapsulated with the notch into a whole.
2. The linear-motor double-door driving control system according to claim 1, wherein the controller (2) comprises a microprocessor (21), a driving control module for transmitting switching instructions and an input/output control module (24) which are symmetrically arranged on both sides.
3. The linear-motor double door-drive control system according to claim 1, wherein the position monitoring means comprises 3 hall sensors placed at intervals of positive and negative polarities with 120 degrees of phase difference.
4. The linear motor double door driving control system according to claim 2, wherein the motor driving control modules symmetrically arranged on two sides of the controller (2) comprise a power driving module, a current sampling module and a position feedback module.
5. The linear-motor double-door driving control system according to claim 1, wherein the controller (2) is provided with a maintenance upgrade module (25) for program upgrade and fault download through USB or bluetooth.
6. The linear motor double door driving control system according to claim 2, wherein the cable and conversion system component (5), the left plug of the controller (2) and the jack matched with the terminal of the controller are all provided with an error preventing treatment measure.
7. The linear-motor double-door-drive control system according to claim 1, wherein the cable-and-conversion-system component (5) includes an in-vehicle power supply line, an in-vehicle signal line, and an in-vehicle load line.
8. The linear-motor double-door-drive control system according to claim 1, characterized in that the cable and conversion system component (5) is arranged on top of or inside the carrier rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222623134.1U CN219654523U (en) | 2022-09-30 | 2022-09-30 | Linear motor double-door driving control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222623134.1U CN219654523U (en) | 2022-09-30 | 2022-09-30 | Linear motor double-door driving control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219654523U true CN219654523U (en) | 2023-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222623134.1U Active CN219654523U (en) | 2022-09-30 | 2022-09-30 | Linear motor double-door driving control system |
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| Country | Link |
|---|---|
| CN (1) | CN219654523U (en) |
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2022
- 2022-09-30 CN CN202222623134.1U patent/CN219654523U/en active Active
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