CN212447606U - Shunting signal lamp state and switch position detection device - Google Patents
Shunting signal lamp state and switch position detection device Download PDFInfo
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- CN212447606U CN212447606U CN202021188184.6U CN202021188184U CN212447606U CN 212447606 U CN212447606 U CN 212447606U CN 202021188184 U CN202021188184 U CN 202021188184U CN 212447606 U CN212447606 U CN 212447606U
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Abstract
The utility model belongs to the technical field of non-electric centralized interlocking station operation management systems, in particular to a shunting signal lamp state and turnout position detection device, which comprises a detection box body, a signal lamp, a switch rail and a switch rail, wherein the detection box body is arranged on a sleeper below a signal lamp eaves and below a switch rail; the circuit board is installed detect the inside of box body, including control unit, communication unit, power supply unit and acquisition unit, acquisition unit includes signal lamp state acquisition unit and/or switch position acquisition unit, gives control unit with signal lamp position state, switch position signal transmission, control unit passes through communication unit and will gather signal transmission and give indoor supervisory equipment, power supply unit is the power supply of whole circuit board. The utility model discloses make things convenient for on-the-spot installation and maintenance, can gather signal lamp position state and switch position in real time, alleviate operation personnel's intensity of labour, objectively truly reflect the scene condition of advancing a way accurately, effectively prevent the emergence of operation accident.
Description
Technical Field
The utility model belongs to the technical field of non-electric concentrated interlocking station yard operation management system, in particular to shunting signal lamp state and switch position detection device.
Background
At present, an electric centralized interlocking system is a main means for controlling locomotive operation in a station yard, but the electric centralized interlocking system is high in manufacturing cost, complex in construction process and huge in engineering quantity, so that a non-centralized shunting operation area exists in a plurality of stations on the whole road, trackside equipment such as turnouts and the like are not under electric interlocking control, the state of the station yard needs manual visual operation, locomotive shunting operation depends on operators to visually confirm the opening state of an approach, and wrong delivery, turnout squeezing and even derailment accidents are easily caused once the operators mistakenly identify the approach state or irrelevant operators pull the turnouts by mistake. For many years, accidents of this kind often happen all the way, and have become the key point of station safety operation; for example: the vehicle section is in daily charge of daily maintenance and repair operation of the vehicle. There is a specific maintenance work place, and the central control equipment and the shunting signal are not set in the maintenance place, and the turnout is manually pulled. When vehicle maintenance is carried out, a vehicle to be maintained needs to be pulled (pushed) to a specific maintenance operation point. The operating personnel carry out shunting operation according to the operation plan, and the turnout position is confirmed manually by a switchman and a connector in the shunting process of the vehicle.
Therefore, in railway stations, passenger stations, goods yards and special lines, a plurality of non-electric centralized interlocking turnouts exist, locomotive operation in non-electric interlocking areas lacks of safety guarantee, potential safety hazards are brought to railway transportation work, the cost for electric transformation of the non-electric interlocking stations is high, or part of special area stations and the like do not have construction conditions.
Disclosure of Invention
In order to solve the problem that exists among the prior art, the utility model provides a shunting signal lamp state and switch position detection device makes things convenient for on-the-spot installation and maintenance, can gather signal lamp position state and switch position in real time, alleviates operation personnel's intensity of labour, objectively truly reflects the on-the-spot condition of advancing a way, effectively prevents the emergence of operation accident.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a shunting signal lamp state and switch position detection device, include:
the detection box bodies are arranged below the signal lamp eaves and on the sleepers below the switch rails;
the circuit board is installed detect the inside of box body, including control unit, communication unit, power supply unit and acquisition unit, acquisition unit includes signal lamp state acquisition unit and/or switch position acquisition unit, gives control unit with signal lamp position state, switch position signal transmission, control unit passes through communication unit and will gather signal transmission and give indoor supervisory equipment, power supply unit is the power supply of whole circuit board.
Furthermore, the detection box body is fixed on a sleeper below the switch rail through screws, and the detection box body is fixed below a signal lamp eaves through a magnetic disc or 3M glue.
Further, two sets of detection device are installed to every group switch, are switch location detection device and switch reversal detection device respectively, fixed first magnet on the left side tongue, fixed second magnet on the right side tongue, first magnet uses with the cooperation of switch location detection device for judge that the switch is in the positioned state, the second magnet uses with the cooperation of the switch reversal detection device for judge that the switch is in the reversal state.
Further, the control unit comprises a single chip microcomputer.
Further, the power supply unit includes electric quantity monitoring circuit and power conversion circuit, power conversion circuit is used for converting the 3.6V direct current into the working power supply of 3.3V direct current as other units, electric quantity monitoring circuit is used for measuring the consumption and the charging of 3.6V battery to be connected with the electric quantity monitoring end of singlechip.
Furthermore, the control unit also comprises a peripheral circuit, wherein the peripheral circuit comprises a level conversion circuit, a decoupling circuit, a printer interface, a debugging interface and a reset circuit; the level conversion circuit is used for converting the 3.3V direct current output by the power conversion circuit into 1.8V direct current for the communication unit to use; the decoupling circuit is used for outputting stable 3.3V direct current by the power supply conversion circuit.
Furthermore, the communication unit adopts an NB-IoT network transmission circuit, the NB-IoT network transmission circuit comprises a BC26 chip, a BC26 control circuit and a SIM card, the input end of the BC26 control circuit is connected with the BC26 control end of the singlechip, and the output end of the BC26 control circuit is connected with the control end of the BC26 chip; the SIM card is connected with a BC26 chip.
Furthermore, the turnout position acquisition unit adopts a proximity sensor.
Further, the signal lamp state acquisition unit adopts a light sensor.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses a shunting signal lamp state and switch position detection device, signal lamp detection box body pass through the magnetic disc or 3M glue to be fixed in the signal lamp below that hides the eaves, and switch detection box body passes through the screw fixation on the sleeper of switch rail below, and convenient on-the-spot installation, change and maintenance are fixed firm.
Compared with the existing hand-operated turnout detection mode, the switch rail detection mode has the advantages of transparency, easiness in field construction and maintenance, less installation coordination and interference and the like. The hardware circuit design of the communication unit, the control unit and the power supply unit for signal lamp state detection and turnout position detection is the same, different acquisition units are selected according to different acquisition objects, and the product type is easy to realize.
The utility model discloses a light sense principle and magnetic induction principle realize signal lamp position state and switch position collection, will gather the signal and pass through NB-IoT network transmission and give indoor supervisory equipment to generate shunting operation protection information and show and remind the user, both alleviateed operating personnel's intensity of labour, objectively truly accurately reflect the scene condition of advancing again, effectively prevent the emergence of operation accident.
The NB-IoT network is used for supporting mobile, Unicom and telecom operators, and simultaneously carrying out Internet of things card docking, embedded program development and related platform building of each operator, so that the system has the advantages of massive access, low power consumption, super-strong coverage, low cost and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an installation schematic diagram of a signal lamp state detection device according to an embodiment of the present invention;
fig. 2 is an installation schematic diagram of a switch position detection device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a signal lamp state detection box body according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a switch position detection box body according to an embodiment of the present invention;
fig. 5 is a circuit diagram of power monitoring according to an embodiment of the present invention;
fig. 6 is a power conversion circuit diagram according to an embodiment of the present invention;
fig. 7 is a BC26 control circuit diagram according to an embodiment of the present invention;
fig. 8 is a circuit diagram of a BC26 chip according to an embodiment of the present invention;
FIG. 9 is a circuit diagram of a SIM card according to an embodiment of the present invention;
FIG. 10 is a circuit diagram of a light sensor according to an embodiment of the present invention;
fig. 11 is a proximity sensor circuit diagram of an embodiment of the present invention;
fig. 12 is a circuit diagram of level shifting according to an embodiment of the present invention;
fig. 13 is a decoupling circuit diagram of an embodiment of the invention;
fig. 14 is a circuit diagram of a printer interface according to an embodiment of the present invention;
fig. 15 is a circuit diagram of a debug interface of an embodiment of the present invention;
fig. 16 is a reset circuit diagram of an embodiment of the present invention;
fig. 17 is a circuit diagram of the single chip microcomputer according to the embodiment of the present invention.
The reference numbers in the figures denote:
1. the railway switch detection device comprises a detection box body, 2 signal lamp eaves, 3 magnetic disks, 4 light-sensitive sensors, 5 ear plates, 6 mounting holes, 7 sleepers, 8 turnout positioning detection devices, 9 turnout inversion detection devices, 10 left switch rails, 11 first magnets, 12 left stock rails, 13 right switch rails, 14 second magnets and 15 right stock rails.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The shunting signal lamp state and turnout position detection device comprises a detection box body 1 and a circuit board; for a signal lamp, as shown in fig. 1 and 3, the top of a detection box body 1 is fixedly connected with a magnetic disc 3 through screws, the detection box body 1 is fixed below a signal lamp shade 2 (such as made of iron) through the magnetic disc 3, or the detection box body 1 is adhered below the signal lamp shade 2 (such as made of plastic) through 3M glue, and an external light induction sensor 4 is supported by the detection box body 1; for a turnout, as shown in fig. 2 and 4, two sides of a detection box body 1 are provided with lug plates 5, mounting holes 6 are formed in the lug plates 5, and screws penetrate through the mounting holes 6 to fix the detection box body 1 on a sleeper 7 below a switch rail; the detection box body 1 is sealed in a glue pouring mode, and can meet the requirement of waterproof grade IP67 at normal temperature and normal pressure; the fixing mode is convenient for field installation, replacement and maintenance, and the fixing is firm.
The circuit board is installed in the detection box body 1, the control unit comprises a control unit, a communication unit, a power supply unit and an acquisition unit, the communication unit is used for signal lamp state detection and turnout position detection, the hardware circuit design of the control unit and the power supply unit is the same, different acquisition units are selected according to different acquisition objects, when the signal lamp state is detected, the acquisition unit adopts a signal lamp state acquisition unit, the signal lamp state is acquired through the light sensation principle, the acquired signal is transmitted to the control unit, when the turnout position is detected, the acquisition unit adopts a turnout position acquisition unit, the turnout position is acquired through the magnetic induction principle, and the acquired signal is transmitted to the control unit; the control unit transmits signal lamp position state and turnout position signals to the indoor monitoring equipment through the communication unit; the power supply unit provides power for the whole circuit board.
Each group of turnouts is provided with two sets of detection devices, namely a turnout positioning detection device 8 and a turnout reversal detection device 9, the installation positions are shown in figure 2, the installation positions of the two sets of detection devices are designed according to the positions of the switch rails when the turnouts are in a positioning or reversal state, a first magnet 11 is fixed on the left switch rail 10, a second magnet 14 is fixed on the right switch rail 13, the first magnet 11 is matched with the turnout positioning detection device 8 for use and used for judging that the turnouts are in a positioning state, and the second magnet 14 is matched with the turnout reversal detection device 9 for use and used for judging that the turnouts are in a reversal state; the specific turnout position detection is as follows: when the turnout is in a positioning state, the switch rail is integrally moved rightwards, the right switch rail 13 is tightly attached to the right stock rail 15, the gap between the left switch rail 10 and the left stock rail 12 is 14.5-15.2 cm, at the moment, the first magnet 11 fixed on the left switch rail 10 moves to an induction area right above the turnout positioning detection device 8, and the turnout positioning detection device 8 acquires turnout positioning signals; when the turnout is in a reverse state, the switch rail wholly moves leftwards, the left switch rail 10 is tightly attached to the left stock rail 12, the gap between the right switch rail 13 and the right stock rail 15 is 14.5-15.2 cm, the second magnet 14 fixed on the right switch rail 13 moves to an induction area (as shown in figure 2) right above the turnout reverse detection device 9, and the turnout reverse detection device 9 collects turnout reverse signals.
As shown in fig. 17, the control unit includes a single chip microcomputer and peripheral circuits, and preferably, the single chip microcomputer U3 is of a model STM32L151CBT 6.
As shown in fig. 5 and 6, the power supply unit includes a power monitoring circuit and a power conversion circuit, the power conversion circuit uses a low dropout regulator U1(LD0) TLV75533PDBVR to convert 3.6V dc power into 3.3V dc power as the working power of other units, the power monitoring circuit uses a battery fuel gauge (U2) LTC2942 to measure the consumption and charging of the 3.6V battery, and provides a power warning by combining the actual power consumption with the number of times of data transmission, and the power monitoring circuit uses a U2 to monitor the consumption and charging of the 3.6V battery
Of CC pin, SDA pin, SCL pin and U3
The CC pin, the SDA pin and the SCL pin are correspondingly connected.
The peripheral circuit comprises a level conversion circuit, a decoupling circuit, a printer interface, a debugging interface and a reset circuit; as shown in fig. 12, the level shifter circuit uses a 2-bit bidirectional voltage level shifter (U4) TXS0102-Q1 to convert the 3.3V dc output from U1 into 1.8V dc for use by the communication unit, wherein the USART2_ RXD pin and the USART2_ TXD pin of U4 are correspondingly connected with the USART2_ RXD pin and the USART2_ TXD pin of U3; as shown in fig. 13, the decoupling circuit is used to introduce the noise voltage on the power supply to the ground plane, keeping the power supply voltage at a stable value of 3.3V. As shown in fig. 14, the USART1_ TX pin of the printer interface J1 is connected to the USART1_ TX pin of U3 for connecting a printer. As shown in fig. 15, the debug interface P2 uses the SWD interface to perform serial debug on the U3, and the NRST pin, SWCLK pin, and SWDIO pin of P2 are connected to the NRST pin, SWCLK pin, and SWDIO pin of the U3. As shown in fig. 16, the NRST pin of the reset circuit is connected to the NRST pin of U3, and U3 is restored to the initial state.
The communication unit adopts an NB-IoT network transmission circuit, the circuit comprises a BC26 chip (U5), a BC26 control circuit and a SIM card, as shown in FIG. 7, the BC26 control circuit comprises three parts, a wake-up circuit, a reset circuit and a switch circuit, the wake-up circuit is pulled up for 1s to wake up in a PSM state, a BC26_ PSM pin is connected with a BC26_ PSM pin of U3, and a BC26_ PSMEINT pin is connected with a BC26_ PSMEINT pin of U5; the RESET circuit is pulled high for 50ms during RESET, a BC26_ RST pin is connected with a BC26_ RST pin of the U3, and a BC26_ RESET pin is connected with a BC26_ RESET pin of the U5; the switching circuit is pulled high for at least 500ms during switching, the BC26_ ON _ OFF pin is connected with the BC26_ ON _ OFF pin of the U3, and the PWRKEY pin is connected with the PWRKEY pin of the U5. As shown in fig. 9, the SIM _ RST pin, the SIM _ DATA pin, the SIM _ VDD pin, the SIM _ CLK pin, and the SIM _ GDN pin of the SIM card are connected to the SIM _ RST pin, the SIM _ DATA pin, the SIM _ VDD pin, the SIM _ CLK pin, and the SIM _ GDN pin of U5; as shown in fig. 8, the BC26_ RXD pin and the BC26_ TXD pin of the U5 are connected to the BC26_ RXD pin and the BC26_ TXD pin of the U4. The NB-IoT network is used for supporting mobile, Unicom and telecom operators, and simultaneously carrying out Internet of things card docking, embedded program development and related platform building of each operator, so that the system has the advantages of massive access, low power consumption, super-strong coverage, low cost and the like.
As shown in fig. 11, the SWITCH position acquisition unit employs proximity sensors, and the SWITCH _01 pin and the SWITCH _02 pin are correspondingly connected to the SWITCH _01 pin and the SWITCH _02 pin of U3. As shown in fig. 10, the Signal lamp state collecting unit adopts a light sensor, and the Signal _ lamp pin is connected with the Signal _ lamp pin of U3.
The shunting signal lamp state and turnout position detection device is in a low power consumption mode, the detection device is awakened by the trigger signals of the proximity sensor and the light sensation sensor, and after the signals are sent, the shunting signal lamp state and turnout position detection device enters a dormant state, so that the battery endurance time can be more than 1.5 years.
The utility model has the advantages of simple structure, simple to operate, practicality, reliability height realize signal lamp position state and switch position collection through light sense principle and magnetic induction principle, transmit the information of gathering for indoor supervisory equipment through NB-IoT network, both alleviateed operating personnel's intensity of labour, objectively truly reflect the scene condition of advancing again accurately.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a shunting signal lamp state and switch position detection device which characterized in that includes:
the detection box bodies are arranged below the signal lamp eaves and on the sleepers below the switch rails;
the circuit board is installed detect the inside of box body, including control unit, communication unit, power supply unit and acquisition unit, acquisition unit includes signal lamp state acquisition unit and/or switch position acquisition unit, gives control unit with signal lamp position state, switch position signal transmission, control unit passes through communication unit and will gather signal transmission and give indoor supervisory equipment, power supply unit is the power supply of whole circuit board.
2. The device for detecting the state of a shunting signal lamp and the position of a turnout according to claim 1, wherein the detection box body is fixed on a sleeper below the switch rail through screws, and the detection box body is fixed below a signal lamp visor through a magnetic disc or 3M glue.
3. The device for detecting the state of the shunting signal lamp and the position of the turnout according to claim 1, characterized in that two sets of detection devices are installed on each group of turnout, namely a turnout positioning detection device and a turnout reversal detection device, a first magnet is fixed on the left switch rail, a second magnet is fixed on the right switch rail, the first magnet is matched with the turnout positioning detection device for use in judging that the turnout is in a positioning state, and the second magnet is matched with the turnout reversal detection device for use in judging that the turnout is in a reversal state.
4. The device for detecting the state of a shunting signal lamp and the position of a turnout according to claim 1, wherein the control unit comprises a single chip microcomputer.
5. The device for detecting the state of the shunting signal lamp and the position of the turnout according to claim 4, wherein the power supply unit comprises an electric quantity monitoring circuit and a power supply conversion circuit, the power supply conversion circuit is used for converting 3.6V direct current into 3.3V direct current to serve as a working power supply of the control unit, the communication unit and the acquisition unit, and the electric quantity monitoring circuit is used for measuring consumption and charging of a 3.6V battery and is connected with an electric quantity monitoring end of the single chip microcomputer.
6. The shunting signal lamp state and switch position detection apparatus of claim 5, wherein the control unit further comprises peripheral circuits, the peripheral circuits comprising a level shift circuit, a decoupling circuit, a printer interface, a debug interface and a reset circuit; the level conversion circuit is used for converting the 3.3V direct current output by the power conversion circuit into 1.8V direct current for the communication unit to use; the decoupling circuit is used for outputting stable 3.3V direct current by the power supply conversion circuit.
7. The device for detecting the state of the shunting signal lamp and the position of the turnout according to claim 4, wherein the communication unit adopts an NB-IoT network transmission circuit, the NB-IoT network transmission circuit comprises a BC26 chip, a BC26 control circuit and a SIM card, the input end of the BC26 control circuit is connected with the BC26 control end of the singlechip, and the output end of the BC26 control circuit is connected with the control end of the BC26 chip; the SIM card is connected with a BC26 chip.
8. The device for detecting the state of the shunting signal lamp and the position of the turnout according to claim 1, wherein the turnout position acquisition unit adopts a proximity sensor.
9. The device for detecting the state of the shunting signal lamp and the position of the turnout according to claim 1, wherein the signal lamp state acquisition unit adopts a light sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021188184.6U CN212447606U (en) | 2020-06-24 | 2020-06-24 | Shunting signal lamp state and switch position detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021188184.6U CN212447606U (en) | 2020-06-24 | 2020-06-24 | Shunting signal lamp state and switch position detection device |
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| Publication Number | Publication Date |
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| CN212447606U true CN212447606U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021188184.6U Active CN212447606U (en) | 2020-06-24 | 2020-06-24 | Shunting signal lamp state and switch position detection device |
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| CN (1) | CN212447606U (en) |
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