Shunting signal interface box device and system
By using CPLD conversion circuit and fault replacement module in the shunting signal interface box equipment, the problem of virtual connection and circuit breaking in the transmission of locomotive signal information is solved, and the reliability of signal transmission and the safety of train operation are realized.
Patent Information
- Application Number
- CN202420440589.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-07
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-03-07
AI Technical Summary
In the prior art, the problem of virtual contact and circuit breaking is prone to occur during the transmission of locomotive signal information, which threatens the operation safety of the train.
A shunting signal interface box device is designed, using CPLD conversion circuit and fault replacement module, and the stable transmission and fault handling of signals are achieved through components such as isolation components and relays.
It effectively reduces the adverse effects of virtual contact and circuit breaker problems, ensures the safety of train operation, and ensures the reliability of signal transmission.
Smart Images
Figure CN222482619U_ABST
Abstract
Description
Technical Field
[0001] The present disclosure relates to the technical field of railway signal equipment, and in particular to a shunting signal interface box device and system. Background Art
[0002] The locomotive signal equipment can automatically reflect the display status and operating conditions of the ground signal machine in front of the train, indicate the train operation, and combine with the train automatic parking device to ensure the safe operation of the train. At present, the locomotive signal equipment is connected to the LKJ (train operation monitoring device) through the shunting signal interface box. Due to the existence of multiple connection parts such as cables, aviation plugs, circuit board connectors, relay contacts, etc., the locomotive signal information transmission process is easily affected by virtual connections and circuit breaks caused by various factors, and even threatens the safety of train operation. Utility Model Content
[0003] In view of this, the embodiments of the present disclosure provide a shunting signal interface box device to solve the problem in the prior art that the locomotive signal information transmission process is easily affected by false connection and circuit breakage problems caused by various factors, which may even threaten the safe operation of the train.
[0004] A first aspect of an embodiment of the present disclosure provides a shunting signal interface box device, comprising:
[0005] It includes power supply equipment, main board and interface board, among which,
[0006] The power supply device is used to provide electric power;
[0007] The interface board is connected to the main board and is used to provide an interface for data interaction with the outside;
[0008] The mainboard judges and converts the received locomotive signal and / or level adjustment signal according to the CPLD (Complex Programmable Logic Device) conversion circuit arranged thereon, and then sends the result to the target processing device.
[0009] In some embodiments, the CPLD conversion circuit includes:
[0010] A level-adjusting signal main module is used to receive the level-adjusting signal and output it after conversion; the first end of the level-adjusting signal main module is connected to the first end of the CPLD control module and the first end of the single-chip microcomputer module through an isolation component; the second end of the level-adjusting signal main module is connected to the first end of the first relay and the second end of the single-chip microcomputer module through an isolation component;
[0011] A first relay is used to amplify the voltage of an input signal; a second end of the first relay is connected to the power supply device, a third end is connected to the first end of the second relay, and the third end is connected to the second end of the CPLD control module;
[0012] A CPLD module, used for determining the level adjustment signal and the state of the first relay;
[0013] A locomotive signal module, used for receiving locomotive signals and outputting them after conversion; a first end of the locomotive signal module is respectively connected to the second end of the second relay, the first end of the fault processing module, and the third end of the single-chip computer module through an isolation component, and a second end is respectively connected to the second end of the fault module and the first end of the output monitoring device;
[0014] a second relay, wherein a third end of the second relay is respectively connected to the second end of the output monitoring device and to the fourth end of the single chip computer module through an isolation component;
[0015] Output monitoring module, used to monitor locomotive signal module or fault handling module
[0016] A fault replacement module is used to replace the locomotive signal module when the locomotive signal module fails.
[0017] In some embodiments, the isolation component is one of a relay, a transformer, and an optocoupler;
[0018] In some embodiments, the isolation component is an optocoupler.
[0019] In some embodiments, the CPLD conversion circuit further includes:
[0020] At least one level-adjusting signal submodule, wherein a first end of the level-adjusting signal submodule is connected to a first end of the first relay and a second end of the single-chip microcomputer module through an isolation component.
[0021] In some embodiments, the CPLD conversion circuit further includes:
[0022] A clock module, connected to the fifth terminal of the single-chip computer module, and used to maintain normal operation of the clock when there is no external power supply;
[0023] The flash memory module is connected to the sixth end of the single chip computer module and is used to store the locomotive signal and the leveling signal.
[0024] In some embodiments, it also includes:
[0025] The interface module is respectively connected to the seventh terminal of the single-chip microcomputer module and the interface board, and is used for communicating with the outside through the interface board.
[0026] In some embodiments, the level-adjusting signal main module converts the received level-adjusting signal into 6 channels of 5V.
[0027] In some embodiments, the first relay converts the received level-adjusting signal into 6 50V channels.
[0028] In some embodiments, the locomotive signal module converts the received locomotive signal into 6-way 50V.
[0029] In some embodiments, it also includes:
[0030] A power supply module, a first end of which is connected to the second end of the first relay, a second end of which is connected to the power supply device, and a third end of which is connected to the eighth end of the single-chip computer module through a voltage conversion module; the power supply module is used to convert the voltage input by the power supply device into a first preset voltage and transmit it to the first relay, and after converting the voltage input by the power supply device into a second preset voltage, convert the second preset voltage into a third preset voltage through the voltage conversion module, and transmit the third voltage to the single-chip computer module.
[0031] In some embodiments, the first preset voltage is 48V.
[0032] In some embodiments, the second preset voltage range is 12V.
[0033] In some embodiments, the third preset voltage range is 3.3V to 5V.
[0034] In some embodiments, the interface board is connected to the main board by PCB (Printed Circuit Board) welding.
[0035] A second aspect of the disclosed embodiments provides a shunting signal interface box system, comprising host computer software, a connecting cable, and the aforementioned shunting signal interface box, wherein the connecting cable is used for data transmission between the host computer software and the shunting signal interface box; and the host computer software is used for performing comprehensive processing based on the data transmitted by the shunting signal interface box.
[0036] Beneficial Effects
[0037] Compared with the prior art, the beneficial effects of the disclosed embodiment include at least: by setting the CPLD conversion circuit on the main board and the fault replacement module in the CPLD conversion circuit, the signal transmission is not affected when a single-point disconnection failure occurs in the signal from the locomotive signal equipment to the shunting signal interface box, which greatly reduces the adverse effects caused by false connection and open circuit problems and ensures the safe operation of the train. BRIEF DESCRIPTION OF THE DRAWINGS
[0038] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0039] Figure 1 It is a circuit structure diagram of a CPLD conversion circuit of a shunting signal interface box device provided in an embodiment of the present disclosure;
[0040] Figure 2 It is another circuit structure diagram of the CPLD conversion circuit of the shunting signal interface box device provided by the embodiment of the present disclosure;
[0041] Figure 3 This is another circuit structure diagram of the CPLD conversion circuit of the shunting signal interface box device provided in the embodiment of the present disclosure. DETAILED DESCRIPTION
[0042] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.
[0043] It should also be noted that, for ease of description, only the parts related to the present disclosure are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.
[0044] It should be noted that in the description of the present disclosure, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present disclosure.
[0045] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present disclosure, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0046] In the present disclosure, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present disclosure can be understood according to specific circumstances.
[0047] In the present disclosure, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0048] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.
[0049] Definition of noun:
[0050] Locomotive signal: The relevant signal used when a train is transporting goods from one station to another.
[0051] Level dispatching signal: a related signal used when a train is performing dispatching operations (such as round trip, dispatching, track switching, etc.) in a station.
[0052] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.
[0053] The present disclosure shows a shunting signal interface box device in some embodiments of the present disclosure, including a power supply device, a main board and an interface board. The power supply device is used to provide power, and the current provided by the power supply device can be alternating current or direct current; the voltage provided by the power supply device can be 220V, 110V, etc., but is not limited thereto.
[0054] The interface board is connected to the main board and is used to provide an interface for data interaction with the outside.
[0055] In some embodiments, the interface board can be connected to the main board by welding. By replacing the conventional jumper plug-in method with welding, the safety and reliability of signal transmission of the device can be increased. In some preferred embodiments, the main board is provided with a threading hole for welding, so that the welding wire can pass through the threading hole for welding, thereby enhancing the tensile strength of the wire and reducing the problem of poor terminal contact.
[0056] like Figure 1 As shown, the mainboard judges and converts the received locomotive signal and / or level adjustment signal according to the CPLD conversion circuit set thereon, and sends it to the target processing device, wherein the CPLD conversion circuit includes a fault replacement module for ensuring the normal operation of the CPLD conversion circuit when a locomotive signal has a disconnection fault.
[0057] In some embodiments, the CPLD conversion circuit includes:
[0058] The level-adjusting signal main module is used to receive the level-adjusting signal and output it after conversion; the first end of each level-adjusting signal main module is connected to the first end of the CPLD control module and the first end of the single-chip module through an isolation component; the second end of the level-adjusting signal main module is connected to the first end of the first relay and the second end of the single-chip module through an isolation component.
[0059] A first relay is used to amplify the voltage of an input signal; a second end of the first relay is connected to the power supply device, a third end is connected to the first end of the second relay, and the third end is connected to the second end of the CPLD control module;
[0060] A CPLD module, used for determining the level adjustment signal and the state of the first relay;
[0061] A locomotive signal module, used for receiving locomotive signals and outputting them after conversion; a first end of the locomotive signal module is respectively connected to the second end of the second relay, the first end of the fault processing module, and the third end of the single-chip computer module through an isolation component, and a second end is respectively connected to the second end of the fault module and the first end of the output monitoring device;
[0062] a second relay, wherein a third end of the second relay is respectively connected to the second end of the output monitoring device and to the fourth end of the single chip computer module through an isolation component;
[0063] Output monitoring module, used to monitor locomotive signal module or fault handling module
[0064] A fault replacement module is used to replace the locomotive signal module when the locomotive signal module fails.
[0065] In some embodiments, the isolation component is one of a relay, a transformer, and an optocoupler. Among the relays, transformers, and optocouplers, the optocoupler has the best isolation effect. Therefore, preferably, the isolation component is an optocoupler.
[0066] like Figure 2 As shown, in some embodiments, the CPLD conversion circuit further includes: at least one level-adjusting signal submodule, the first end of the level-adjusting signal submodule is connected to the first end of the first relay and the second end of the single-chip microcomputer module through an isolation component. In actual operation, there may be level-adjusting signals from multiple sources, and each level-adjusting signal from each source may correspond to a level-adjusting signal master / slave module.
[0067] In addition, the key signals such as green light, yellow light, double yellow light, green-yellow light, and yellow 2 light in the dispatching operation corresponding to the horizontal adjustment signal are output by multiple horizontal adjustment signal modules (preferably 1 main and 1 auxiliary), which can increase the reliability of signal output. The warning light is used to remind the construction personnel of the dispatching operation to protect the safety of the crane personnel and prevent wrong actions during the process.
[0068] In some optional implementations, the distinction between the main and slave modules may be whether the CPLD control module monitors the operating status thereof, but the present invention is not limited thereto.
[0069] In some embodiments, the CPLD conversion circuit also includes: a clock module, connected to the fifth end of the single-chip computer module, used to maintain normal operation of the clock when there is no external power supply, thereby ensuring that the stored level-adjusting signal and / or locomotive signal can be stored with a correct time tag or stored in chronological order.
[0070] The flash memory module is connected to the sixth end of the single chip computer module and is used to store the locomotive signal and the leveling signal.
[0071] In some embodiments, the CPLD conversion circuit further includes an interface module, which is respectively connected to the seventh terminal of the single-chip microcomputer module and the interface board, and is used for communicating with the outside through the interface board.
[0072] In some embodiments, the level-adjusting signal main module converts the received level-adjusting signal into 6 channels of 5V.
[0073] In some embodiments, the first relay converts the received level-adjusting signal into 6 50V channels.
[0074] In some embodiments, the locomotive signal module converts the received locomotive signal into 6-way 50V.
[0075] like Figure 3 As shown, in some embodiments, the CPLD conversion circuit also includes a power module, a first end of which is connected to the second end of the first relay, a second end is connected to the power supply device, and a third end is connected to the eighth end of the single-chip module through a voltage conversion module; the power module is used to convert the voltage input by the power supply device into a first preset voltage and transmit it to the first relay, and after converting the voltage input by the power supply device into a second preset voltage, convert the second preset voltage into a third preset voltage through the voltage conversion module, and transmit the third voltage to the single-chip module. The first preset voltage, the second preset voltage, and the third preset voltage can be preset voltage limit values.
[0076] In some optional implementations, the first preset voltage may be 48V, but is not limited thereto.
[0077] In some optional implementations, the second preset voltage range may be 12V, but is not limited thereto.
[0078] In some optional implementations, the third preset voltage range may be 3.3V to 5V, but is not limited thereto.
[0079] The beneficial effects of one of the above-mentioned embodiments of the present disclosure include at least: by setting the CPLD conversion circuit on the main board and the fault replacement module in the CPLD conversion circuit, the signal transmission is not affected when a single-point disconnection failure occurs in the signal from the locomotive signal equipment to the shunting signal interface box, thereby greatly reducing the adverse effects caused by false connection and open circuit problems and ensuring the safe operation of the train.
[0080] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned utility model concept. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) to form a technical solution.
Claims
1. A shunting signal interface box device, characterized in that: It includes power supply equipment, main board and interface board, among which, The power supply device is used to provide electric power; The interface board is connected to the main board and is used to provide an interface for data interaction with the outside; The mainboard judges and converts the received locomotive signal and / or level adjustment signal according to the CPLD conversion circuit set thereon, and sends it to the target processing device, wherein the CPLD conversion circuit includes a fault replacement module for ensuring the normal operation of the CPLD conversion circuit when a locomotive signal has a disconnection fault.
2. The device according to claim 1, characterized in that The CPLD conversion circuit comprises: A level-adjusting signal main module is used to receive the level-adjusting signal and output it after conversion; the first end of each of the level-adjusting signal main modules is connected to the first end of the CPLD control module and the first end of the single-chip module through an isolation component; the second end of the level-adjusting signal main module is connected to the first end of the first relay and the second end of the single-chip module through an isolation component; A first relay is used to amplify the voltage of an input signal; a second end of the first relay is connected to the power supply device, a third end is connected to the first end of the second relay, and the third end is connected to the second end of the CPLD control module; A CPLD module, used for determining the level adjustment signal and the state of the first relay; A locomotive signal module, used for receiving locomotive signals and outputting them after conversion; a first end of the locomotive signal module is respectively connected to the second end of the second relay, the first end of the fault processing module, and the third end of the single-chip computer module through an isolation component, and a second end is respectively connected to the second end of the fault replacement module and the first end of the output monitoring device; a second relay, wherein a third end of the second relay is respectively connected to the second end of the output monitoring device and to the fourth end of the single chip computer module through an isolation component; Output monitoring module, used to monitor locomotive signal module or fault handling module A fault replacement module is used to replace the locomotive signal module when the locomotive signal module fails.
3. The device according to claim 2, characterized in that The isolation component is an optical coupler.
4. The device according to claim 2, characterized in that The CPLD conversion circuit also includes: At least one level-adjusting signal submodule, wherein a first end of the level-adjusting signal submodule is connected to a first end of the first relay and a second end of the single-chip microcomputer module through an isolation component.
5. The device according to claim 2, characterized in that The CPLD conversion circuit also includes: A clock module, connected to the fifth terminal of the single-chip computer module, and used to maintain normal operation of the clock when there is no external power supply; The flash memory module is connected to the sixth end of the single chip computer module and is used to store the locomotive signal and the leveling signal.
6. The device according to claim 2, characterized in that Also includes: The interface module is respectively connected to the seventh terminal of the single-chip microcomputer module and the interface board, and is used for communicating with the outside through the interface board.
7. The device according to claim 2, characterized in that The level-adjusting signal main module converts the received level-adjusting signal into 6 channels of 5V.
8. The device according to claim 2, characterized in that The first relay converts the received level-adjusting signal into 6 50V channels.
9. The device according to claim 2, characterized in that The locomotive signal module converts the received locomotive signal into 6-channel 50V.
10. The device according to claim 2, characterized in that Also includes: A power supply module, a first end of which is connected to the second end of the first relay, a second end of which is connected to the power supply device, and a third end of which is connected to the eighth end of the single-chip computer module through a voltage conversion module; the power supply module is used to convert the voltage input by the power supply device into a first preset voltage and transmit it to the first relay, and after converting the voltage input by the power supply device into a second preset voltage, convert the second preset voltage into a third preset voltage through the voltage conversion module, and transmit the third preset voltage to the single-chip computer module.
11. The device according to claim 10, characterized in that The first preset voltage is 48V.
12. The device according to claim 10, characterized in that The second preset voltage range is 12V.
13. The device according to claim 10, characterized in that The third preset voltage range is 3.3V to 5V.
14. The device according to any one of claims 1 to 13, characterized in that The interface board is connected to the main board by welding.
15. A shunting signal interface box system, characterized in that: It comprises a host computer software, a connecting cable, and a shunting signal interface box as claimed in any one of claims 1 to 14, wherein: The connecting cable is used for data transmission between the host computer software and the shunting signal interface box; The host computer software is used to perform comprehensive processing based on the data transmitted by the shunting signal interface box.