CN110468633B - Intelligent device for preventing foreign body from being stuck at railway turnout - Google Patents
Intelligent device for preventing foreign body from being stuck at railway turnout Download PDFInfo
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- CN110468633B CN110468633B CN201910764268.5A CN201910764268A CN110468633B CN 110468633 B CN110468633 B CN 110468633B CN 201910764268 A CN201910764268 A CN 201910764268A CN 110468633 B CN110468633 B CN 110468633B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B7/00—Switches; Crossings
- E01B7/20—Safety means for switches, e.g. switch point protectors, auxiliary or guiding rail members
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H8/00—Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails
- E01H8/10—Removing undesirable matter from rails, flange grooves, or the like railway parts, e.g. removing ice from contact rails, removing mud from flange grooves
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Abstract
The invention discloses an intelligent device for preventing foreign bodies of railway turnouts from being stuck, which comprises: the device comprises an object stage, a control circuit board, a Hall sensor module, a magnetic substance, a Y-axis linear transmission mechanism, a transmission support, a five-line four-phase stepping motor, an X-axis linear transmission mechanism, a photoelectric sensor module, a safety in-place baffle, a control box and a foreign matter collecting box. According to the invention, the objective table is arranged above the turnout track to prevent foreign matters from falling into the turnout gap, and the objective table arranged on the turnout track is scanned by the photoelectric sensor, so that the foreign matters are automatically detected and automatic obstacle clearing is carried out; when the train is going to drive, the objective table is separated from the turnout through the control signal of the wireless communication module, the train is allowed to pass safely, and when the train passes, the obstacle removing system returns to the turnout to continue working; the system is also provided with remote fault alarm.
Description
Technical Field
The invention relates to the technical field of railway intelligent control, in particular to an intelligent device for preventing foreign bodies of railway turnouts from being stuck.
Background
The railway switch is one of the most important infrastructures in railway system, and consists of point switch, switch core and guard rail. The switch determines the running direction of the train, and when the train needs to be reversed, the switch sends out an electric signal, and the switch is switched by pumping of the mechanical device, so that the running direction of the train is controlled. One of the causes of the turnout fault is the blockage of foreign bodies. That is, when there is a foreign object existing in the gap between the turnout track and the main track, the turnout cannot complete the joint closing action by the mechanical device, which is definitely dangerous for the train operation. The turnout not only seriously affects the train running efficiency, but also causes certain danger to the train by the barriers in the gaps when the train passes through even if the turnout is in an open state.
The current fault induction process and treatment process are as follows: when a train needs to pass through the turnout, the switch part (comprising a switch rod, a switch bed and the like) receives an electric signal and applies voltage to enable the rod piece to do linear motion, so that the turnout is pushed to move, and the turnout is opened and closed. When there is the foreign matter, the switch can't continue the displacement, and the signal of telecommunication lasts the accumulation, reaches certain electric current and will trigger signal and give near control room, and the control room judges the switch and takes place the closure trouble according to computer data, dispatches the artifical clearance of staff. It can be seen that the treatment method is not only low in efficiency, but also high in labor cost, and if the treatment is not timely, the train is inevitably stopped, so that property loss is brought. Therefore, a device capable of automatically preventing the turnout from being locked by foreign matters is urgently needed to be designed so as to reduce the manual maintenance pressure and improve the working efficiency.
Disclosure of Invention
In order to solve the technical problem, the invention provides an intelligent device for preventing foreign bodies of railway turnouts from being stuck.
The invention adopts the following technical scheme: an intelligent device for preventing foreign body from being stuck of a railway turnout comprises an object stage, a control circuit board, a four-wire two-phase stepping motor 1, a Hall sensor module, a magnetic substance, a Y-axis linear transmission mechanism base, a transmission sliding table 1, a transmission bracket, a five-wire four-phase stepping motor, a transmission screw rod 1, an X-axis linear transmission mechanism base, a photoelectric sensor module, a four-wire two-phase stepping motor 2, a transmission screw rod 2, a transmission sliding table 2, a safe in-place baffle, a control box and a foreign body collecting box; the X-axis linear transmission mechanism base, the transmission screw rod 2, the transmission sliding table 2 and the four-wire two-phase stepping motor 2 form an X-axis linear transmission mechanism, the Y-axis linear transmission mechanism base, the transmission screw rod 1, the transmission sliding table 1 and the four-wire two-phase stepping motor 1 form a Y-axis linear transmission mechanism, and the foreign matter collecting box is arranged below the Y-axis linear transmission mechanism;
the obstacle clearing system comprises an object stage, a five-wire four-phase stepping motor and a Y-axis linear transmission mechanism, wherein the object stage is arranged above a turnout track, one end of the object stage is rotatably connected with the five-wire four-phase stepping motor, the five-wire four-phase stepping motor is connected with a transmission support, the transmission support is connected with a transmission sliding table 1, the transmission sliding table 1 is slidably connected with a transmission screw rod 1, the transmission screw rod 1 is arranged on a base of the Y-axis linear transmission mechanism, the four-wire two-phase stepping motor 1 is rotatably connected with the transmission screw rod 1, and a Hall sensor module and a safety in-place baffle are arranged at the tail end of the transmission screw rod 1; the magnetic substance is connected with a transmission sliding table 1 of the Y-axis linear transmission mechanism;
the control circuit board is arranged in the control box and comprises a single chip microcomputer module, a wireless communication module, a four-wire two-phase stepping motor driving module 1, a four-wire two-phase stepping motor driving module 2 and a five-wire four-phase stepping motor driver module, the single chip microcomputer module is respectively connected with the wireless communication module, the four-wire two-phase stepping motor driving module 1, the four-wire two-phase stepping motor driving module 2, the five-wire four-phase stepping motor driver module, a photoelectric sensor module and a Hall sensor module, and the photoelectric sensor module is connected with the transmission sliding table 2; the transmission sliding table 2 is connected with the transmission screw rod 2 in a sliding manner, and the transmission screw rod 2 is arranged on the X-axis linear transmission mechanism base; the four-wire two-phase stepping motor 2 is rotationally connected with a transmission screw rod 2 (14).
Preferably, the control box is in a packaged state, the single chip microcomputer module adopts an STC89C516RD single chip microcomputer, the five-wire four-phase stepping motor driving module adopts ULN2003A, and the four-wire two-phase stepping motor driving module 1 and the four-wire two-phase stepping motor driving module 2 both adopt L298N.
Preferably, the photoelectric sensor module is fixedly installed on the transmission sliding table 2, the transmission sliding table 2 is sleeved on the transmission screw rod 2, and the transmission sliding table 2 can reciprocate on the transmission screw rod 2.
Preferably, the transmission support is connected with the transmission sliding table 1, the transmission sliding table 1 is sleeved on the transmission screw rod 1, the transmission sliding table 1 can move on the transmission screw rod 1 in a reciprocating mode, and the magnetic substance is connected with the transmission sliding table 1.
Preferably, the four-wire two-phase stepping motor driving module 1 is electrically connected to the four-wire two-phase stepping motor 1, the four-wire two-phase stepping motor driving module 2 is electrically connected to the four-wire two-phase stepping motor 2, and the five-wire four-phase stepping motor driver module is electrically connected to the five-wire four-phase stepping motor.
Preferably, the scanning characteristics of the photosensor module are that the system sets each scanning time to be 5 seconds, and performs scanning every 10 minutes, so as to achieve the purposes of energy saving and stability.
Preferably, the signal transmission of the wireless communication module comprises transmitting a signal that the train needs to pass, a signal that the train passes to the device control system, and transmitting an alarm signal that the obstacle clearing system cannot reach the position of the safety in-place baffle when the obstacle clearing system passes to the control room.
The working principle of the photoelectric sensor module is as follows: the light emitting tube on the photoelectric sensor module emits infrared rays, and if no obstacle is blocked on the objective table, the output pin on the photoelectric sensor module is at a high level; if the object stage has an obstacle, the infrared rays emitted by the light emitting tube are reflected to the light receiving tube, so that the photoelectric sensor module outputs a low level to indicate that the obstacle exists on the object stage; when the device carries out obstacle clearing work, the system sets the signal pin connected with the photoelectric sensor module and the single chip microcomputer module as high level so as to prevent the photoelectric sensor from continuously sensing and interfering the normal operation of the obstacle clearing system in obstacle clearing work, and the level freedom of the signal pin is restored when the obstacle clearing system returns to the upper part of a turnout track after the obstacle clearing action is carried out, so that the obstacle clearing system can sense again; similarly, when the system receives a signal that the train needs to pass, the obstacle clearing system leaves the turnout track, the signal pin connected with the photoelectric sensor module and the single chip microcomputer module is set to be at a high level so as to prevent the photoelectric sensor from mistakenly sensing that the wheels of the train are foreign matters and causing the device to be mistakenly operated, and when the system receives a signal that the train passes, the signal pin connected with the photoelectric sensor module and the single chip microcomputer module restores the foreign matter monitoring state after the obstacle clearing system returns to the turnout track.
Compared with the prior art, the invention has the advantages that: (1) when no train passes, the objective table is positioned above the turnout track to prevent foreign matters from falling into the turnout and avoid the turnout from being incapable of completing joint closing action through a mechanical device to cause train running danger; (2) the photoelectric sensor is used for realizing reciprocating scanning to monitor whether foreign matters exist on the objective table or not by adopting linear transmission; when foreign matters exist, the foreign matters on the object stage can be removed through the obstacle removing system; (3) the photoelectric sensor scans by adopting a working mode of scanning once every 10 minutes, so that the power consumption of the system is reduced; (4) when a train needs to pass, a signal sent by the control room is received through the wireless communication module, the obstacle clearing system is controlled to leave the turnout track, the obstacle clearing system is ensured to return to the turnout track after the train passes safely, and the remote control of the system is realized; (5) the system is provided with a fault remote alarm, when the foreign matter is overweight or the work of the obstacle clearing table is abnormal, the remote alarm can be realized through the wireless communication module, and the manual work is requested to go to the treatment; (6) the device has strong adaptability and low power consumption, can reduce the pressure of manual maintenance, improve the working efficiency and ensure the safe operation of the train.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention.
Fig. 2 is a side view of the device structure of the present invention.
The reference numbers indicate that 1, a singlechip module 2, a wireless communication module 3, a five-wire four-phase stepping motor driver module 4, a four-wire two-phase stepping motor driving module 15, a four-wire two-phase stepping motor 16, a Hall sensor module 7, a Y-axis linear transmission mechanism base 8, a transmission screw rod 19, a magnetic substance 10, a transmission sliding table 111, a transmission bracket 12, a five-wire four-phase stepping motor 13, an object stage 14, a transmission screw rod 215, an X-axis linear transmission mechanism base 16, a transmission sliding table 217, a four-wire two-phase stepping motor 218, a photoelectric sensor module 19, a four-wire two-phase stepping motor driving module 220, a control circuit board 21, a foreign matter collecting box 22, a safety in-place baffle 23 and.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
An intelligent device for preventing foreign body from being stuck at a railway turnout comprises an object stage (13), a control circuit board (20), a four-wire two-phase stepping motor 1(5), a Hall sensor module (6), a magnetic substance (9), a Y-axis linear transmission mechanism base (7), a transmission sliding table 1(10), a transmission bracket (11), a five-wire four-phase stepping motor (12), a transmission screw rod 1(8), an X-axis linear transmission mechanism base (15), a photoelectric sensor module (18), a four-wire two-phase stepping motor 2(17), a transmission screw rod 2(14), a transmission sliding table 2(16), a safety in-place baffle (22), a control box (23) and a foreign body collecting box (21); the X-axis linear transmission mechanism comprises an X-axis linear transmission mechanism base (15), a transmission screw rod 2(14), a transmission sliding table 2(16) and a four-wire two-phase stepping motor 2(17), the Y-axis linear transmission mechanism base (7), the transmission screw rod 1(8), the transmission sliding table 1(10) and the four-wire two-phase stepping motor 1(5) form a Y-axis linear transmission mechanism, and the foreign matter collecting box (21) is arranged below the Y-axis linear transmission mechanism;
the obstacle clearing system is composed of an object stage (13), a five-line four-phase stepping motor (12) and a Y-axis linear transmission mechanism, the object stage (13) is arranged above a turnout track, one end of the object stage (13) is rotationally connected with the five-line four-phase stepping motor (12), the five-line four-phase stepping motor (12) is connected with a transmission support (11), the transmission support (11) is connected with a transmission sliding table 1(10), the transmission sliding table 1(10) is slidably connected with a transmission screw rod 1(8), the transmission screw rod 1(8) is arranged on a Y-axis linear transmission mechanism base (7), the four-line two-phase stepping motor 1(5) is rotationally connected with the transmission screw rod 1(8), and a Hall sensor module (6) and a safety in-place baffle plate (22) are arranged at the tail end position of the transmission screw rod 1 (8); the magnetic substance (9) is connected with a transmission sliding table 1(10) of the Y-axis linear transmission mechanism;
the control circuit board (20) is installed in the control box (23), the control circuit board (20) comprises a single chip microcomputer module (1), a wireless communication module (2), a four-wire two-phase stepping motor driving module (1), (4), a four-wire two-phase stepping motor driving module (2), (19) and a five-wire four-phase stepping motor driver module (3), the single chip microcomputer module (1) is respectively connected with the wireless communication module (2), the four-wire two-phase stepping motor driving module (1), (4), the four-wire two-phase stepping motor driving module (2), (19), the five-wire four-phase stepping motor driver module (3), a photoelectric sensor module (18) and a Hall sensor module (6), and the photoelectric sensor module (18) is connected with the transmission sliding table (2), (16); the transmission sliding table 2(16) is connected with the transmission screw rod 2 in a sliding way, and the transmission screw rod 2(14) is arranged on an X-axis linear transmission mechanism base (15); the four-wire two-phase stepping motor 2(17) is rotationally connected with the transmission screw rod 2 (14).
Preferably, the control box (23) is in a packaged state, the single chip microcomputer module (1) adopts an STC89C516RD single chip microcomputer, the five-wire four-phase stepping motor driving module (3) adopts ULN2003A, and the four-wire two-phase stepping motor driving module 1(4) and the four-wire two-phase stepping motor driving module 2(19) both adopt L298N.
Preferably, the photoelectric sensor module (18) is fixedly installed on the transmission sliding table 2(16), the transmission sliding table 2(16) is sleeved on the transmission screw rod 2(14), and the transmission sliding table 2(16) can reciprocate on the transmission screw rod 2 (14).
Preferably, the transmission bracket (11) is connected with the transmission sliding table 1(10), the transmission sliding table 1(10) is sleeved on the transmission screw rod 1(8), the transmission sliding table 1(10) can reciprocate on the transmission screw rod 1(8), and the magnetic substance (9) is connected with the transmission sliding table 1 (10).
Preferably, the four-wire two-phase stepping motor driving module 1(4) is electrically connected with the four-wire two-phase stepping motor 1(5), the four-wire two-phase stepping motor driving module 2(19) is electrically connected with the four-wire two-phase stepping motor 2(17), and the five-wire four-phase stepping motor driver module (3) is electrically connected with the five-wire four-phase stepping motor (12).
Preferably, the scanning characteristics of the photosensor module (18) are such that the system sets each scanning time to 5 seconds and performs one scanning every 10 minutes, so as to achieve the purposes of energy saving and stability.
Preferably, the signal transmission of the wireless communication module (2) comprises the transmission of a signal that the train needs to pass, a signal that the train passes through and the like to a device control system, and the transmission of an alarm signal that the obstacle clearing system cannot reach the position of the safety in-place baffle (22) when the obstacle clearing system passes through and the like to a control room.
The work flow of the obstacle clearing system is as follows: when foreign matters are sensed by the photoelectric sensor on the objective table (13), the device control circuit drives the four-wire two-phase stepping motor 1(5) to rotate, so that the transmission screw rod 1(8) connected with the rotating shaft of the motor rotates, the transmission sliding table 1(10) sleeved on the transmission screw rod 1(8) moves along the horizontal direction of the Y axis, the objective table (13) and the five-wire four-phase stepping motor (12) leave the turnout track along the horizontal direction of the Y axis, after the transmission sliding table 1(10) reaches the safety in-place baffle plate (22), the magnetic substance (9) arranged on the transmission sliding table 1(10) enables the Hall sensor module (6) to output a low-level control signal, so that the four-wire two-phase stepping motor 1(5) stops rotating, the five-wire four-phase stepping motor (12) rotates forwards to drive the objective table (13) to overturn downwards by 90 degrees so that the foreign matters fall into the foreign, then the five-wire four-phase stepping motor (12) rotates reversely to make the objective table (13) return to the original horizontal position, and then the device control circuit drives the four-wire two-phase stepping motor 1(5) to rotate reversely to make the objective table (13) return to the upper part of the turnout track again; because the objective table (13) of the obstacle clearing system is positioned above the railway turnout track, when a train needs to pass, the objective table (13) needs to leave the turnout track, the train passes through, and the objective table (13) needs to return to the turnout track, the device sends a signal that the train needs to pass and a signal that the train runs through to the control system through the wireless communication module (2) so as to control the objective table (13) to leave and return to the turnout track; when the obstacle clearing system is in fault or the object carrying table (13) leaves the turnout track due to overweight of foreign matters, the transmission sliding table 1(10) cannot reach the position of the safety in-place baffle (22), namely the magnetic substance (9) cannot reach the position which enables the Hall sensor module (6) to output a low-level control signal, so that the Hall sensor module (6) keeps the high-level signal unchanged, and the control circuit board (20) sends an alarm signal to the control room through the wireless communication module (2) to request manual work to go to process faults; in addition, when the obstacle clearing system is clearing obstacles or the wireless communication module (2) receives train passing signals, the system sets a signal pin of the photoelectric sensor module (18) connected with the device singlechip module (1) to be a high level, so that the obstacle clearing process and the train passing are not interfered; when the obstacle clearing action is finished or the obstacle clearing system returns to the position above the turnout track after the train passes through, the level freedom of the pin connected with the singlechip module (1) of the photoelectric sensor module (18) is recovered, so that the turnout can enter the monitoring state again.
As shown in figure 1, the STC89C516RD single-chip microcomputer is selected as a control core of the device, the single-chip microcomputer can achieve abundant functions of interruption, timing, serial port communication and the like, various set work can be achieved through writing programs into the single-chip microcomputer, and stability is good. The five-wire four-phase stepping motor driving module is selected to be ULN2003A, and a signal terminal pin of the five-wire four-phase stepping motor driving module is connected with an IO port of a single chip microcomputer, so that the forward and reverse rotation control of the stepping motor can be realized, the object carrying table (13) is controlled to rotate forward and backward by 90 degrees and turn over after reaching the upper part of the foreign matter collecting table, and the foreign matters fall down and return to the horizontal position; the four-wire two-phase stepping motor driving module is selected as L298N, the transmission characteristic of the X, Y-axis linear transmission mechanism can be controlled through the rotation of the four-wire two-phase stepping motor, a signal end pin of the four-wire two-phase stepping motor is connected with an IO port of a single chip microcomputer, a rotation function is written in, the X-axis linear transmission mechanism can drive a photoelectric sensor to scan foreign matters of the objective table (13) along the X axis, and the Y-axis linear transmission structure controls the transmission support (11) to enable the objective table (13) to horizontally leave and return to a turnout along the Y axis; the signal receiving end RXD and the signal transmitting end TXD of the wireless communication module (2) are respectively connected with pins of a singlechip TXD and an RXD and are used for realizing wireless communication, and when an alarm signal needs to be sent out or a train running control signal needs to be received, the wireless communication module (2) can realize the wireless communication; the Hall sensor module and the magnetic substance (9) are respectively arranged near one side of the safety in-place baffle (22) set by the Y-axis linear transmission mechanism and on the transmission sliding table 1(10) at the other side of the safety in-place baffle (22), when the Y-axis linear transmission mechanism drives the objective table (13) to linearly transmit along the Y axis, the distance between the magnetic substance (9) on the transmission sliding table 1 and the Hall sensor module changes, if the transmission sliding table 1 does not reach the safety in-place baffle (22), the Hall sensor module keeps a high level signal unchanged, and conversely, the Hall sensor module outputs a low level, so that control or alarm can be realized according to the signal level.
As shown in fig. 2, the objective table (13) is arranged above the turnout track and the main track, the rotating terminal of the five-wire four-phase stepping motor (12) is connected with the objective table (13), and the rotation of the objective table (13) can be controlled by controlling the rotation of the five-wire four-phase stepping motor (12); the control box (23) contains the control circuit board (20) and its electrical circuitry as shown in fig. 1, in a packaged state.
Figure 2 is a simple schematic diagram of a railway and switch section. The opening and closing of the turnout tracks determines the running direction of the train, and the opening and closing of the turnout tracks are driven by a switch machine. If foreign matters exist in the gap between the turnout track and the main track, the point switch driving the turnout track to move cannot be completed, and at the moment, the point switch accumulates electric signals and transmits the electric signals to a manual control room to realize alarming and request manual processing. The invention provides the theory for realizing the turnout obstacle clearing automation.
Without being limited thereto, any changes or substitutions that are not thought of through the inventive work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (7)
1. An intelligent device for preventing foreign body from being stuck on a railway turnout is characterized by comprising an object stage (13), a control circuit board (20), a four-wire two-phase stepping motor 1(5), a Hall sensor module (6), a magnetic substance (9), a Y-axis linear transmission mechanism base (7), a transmission sliding table 1(10), a transmission bracket (11), a five-wire four-phase stepping motor (12), a transmission screw rod 1(8), an X-axis linear transmission mechanism base (15), a photoelectric sensor module (18), a four-wire two-phase stepping motor 2(17), a transmission screw rod 2(14), a transmission sliding table 2(16), a safety in-place baffle (22), a control box (23) and a foreign body collecting box (21); the X-axis linear transmission mechanism comprises an X-axis linear transmission mechanism base (15), a transmission screw rod 2(14), a transmission sliding table 2(16) and a four-wire two-phase stepping motor 2(17), the Y-axis linear transmission mechanism base (7), the transmission screw rod 1(8), the transmission sliding table 1(10) and the four-wire two-phase stepping motor 1(5) form a Y-axis linear transmission mechanism, and the foreign matter collecting box (21) is arranged below the Y-axis linear transmission mechanism;
the obstacle clearing system is composed of an object stage (13), a five-line four-phase stepping motor (12) and a Y-axis linear transmission mechanism, the object stage (13) is arranged above a turnout track, one end of the object stage (13) is rotationally connected with the five-line four-phase stepping motor (12), the five-line four-phase stepping motor (12) is connected with a transmission support (11), the transmission support (11) is connected with a transmission sliding table 1(10), the transmission sliding table 1(10) is slidably connected with a transmission screw rod 1(8), the transmission screw rod 1(8) is arranged on a Y-axis linear transmission mechanism base (7), the four-line two-phase stepping motor 1(5) is rotationally connected with the transmission screw rod 1(8), and a Hall sensor module (6) and a safety in-place baffle plate (22) are arranged at the tail end position of the transmission screw rod 1 (8); the magnetic substance (9) is connected with a transmission sliding table 1(10) of the Y-axis linear transmission mechanism;
the control circuit board (20) is installed in the control box (23), the control circuit board (20) comprises a single chip microcomputer module (1), a wireless communication module (2), a four-wire two-phase stepping motor driving module (1), (4), a four-wire two-phase stepping motor driving module (2), (19) and a five-wire four-phase stepping motor driver module (3), the single chip microcomputer module (1) is respectively connected with the wireless communication module (2), the four-wire two-phase stepping motor driving module (1), (4), the four-wire two-phase stepping motor driving module (2), (19), the five-wire four-phase stepping motor driver module (3), a photoelectric sensor module (18) and a Hall sensor module (6), and the photoelectric sensor module (18) is connected with the transmission sliding table (2), (16); the transmission sliding table 2(16) is connected with a transmission screw rod 2(14) in a sliding manner, and the transmission screw rod 2(14) is arranged on an X-axis linear transmission mechanism base (15); the four-wire two-phase stepping motor 2(17) is rotationally connected with the transmission screw rod 2 (14).
2. The intelligent device for preventing the foreign body from being stuck at the railway turnout according to claim 1, wherein the control box (23) is in a packaged state, the single chip microcomputer module (1) adopts an STC89C516RD single chip microcomputer, the five-wire four-phase stepping motor driver module (3) adopts ULN2003A, and the four-wire two-phase stepping motor driver module 1(4) and the four-wire two-phase stepping motor driver module 2(19) both adopt L298N.
3. The intelligent device for preventing the foreign bodies from being stuck at the railway turnout according to claim 1, wherein the photoelectric sensor module (18) is fixedly installed on the transmission sliding table 2(16), the transmission sliding table 2(16) is sleeved on the transmission screw rod 2(14), and the transmission sliding table 2(16) can reciprocate on the transmission screw rod 2 (14).
4. The intelligent device for preventing the foreign bodies from being stuck at the railway turnout according to claim 1, wherein the transmission bracket (11) is connected with a transmission sliding table 1(10), the transmission sliding table 1(10) is sleeved on a transmission screw rod 1(8), the transmission sliding table 1(10) can reciprocate on the transmission screw rod 1(8), and the magnetic substance (9) is connected with the transmission sliding table 1 (10).
5. The intelligent device for preventing foreign body from being stuck at a railway switch according to claim 1, wherein the four-wire two-phase stepping motor driving module 1(4) is electrically connected with the four-wire two-phase stepping motor 1(5), the four-wire two-phase stepping motor driving module 2(19) is electrically connected with the four-wire two-phase stepping motor 2(17), and the five-wire four-phase stepping motor driver module (3) is electrically connected with the five-wire four-phase stepping motor (12).
6. The intelligent device for preventing the foreign body from being stuck at the railway turnout according to claim 1, wherein the scanning characteristics of the photoelectric sensor module (18) are that the system is designed to scan for 5 seconds every time and scan every 10 minutes every time so as to achieve the purposes of energy conservation and stability.
7. The intelligent device for preventing the foreign body from being stuck at the railway turnout as claimed in claim 1, wherein the signal transmission of the wireless communication module (2) comprises transmitting a signal that the train needs to pass, a signal that the train passes to a device control system, and transmitting an alarm signal that the obstacle clearing system cannot reach the position of the safety in-place baffle (22) when the train passes to a control room.
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| CN201910764268.5A CN110468633B (en) | 2019-08-19 | 2019-08-19 | Intelligent device for preventing foreign body from being stuck at railway turnout |
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| CN201910764268.5A CN110468633B (en) | 2019-08-19 | 2019-08-19 | Intelligent device for preventing foreign body from being stuck at railway turnout |
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| CN110468633A (en) | 2019-11-19 |
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