CN217133563U - Transmission controller and electronic landmark system - Google Patents
Transmission controller and electronic landmark system Download PDFInfo
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- CN217133563U CN217133563U CN202220681539.8U CN202220681539U CN217133563U CN 217133563 U CN217133563 U CN 217133563U CN 202220681539 U CN202220681539 U CN 202220681539U CN 217133563 U CN217133563 U CN 217133563U
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Abstract
The utility model relates to a track traffic technical field provides a transmission control ware and electron landmark system, and above-mentioned transmission control ware includes: the system comprises a switch, a power line carrier communication module, an upper computer communication module and a power supply module; the first end of the switch is used for being connected with the input end of the transmission controller, and the second end of the switch is connected with the output end of the transmission controller; the first end of the power line carrier communication module is connected with the second end of the switch, and the second end of the power line carrier communication module is connected with the first end of the upper computer communication module; the input end of the power supply module is connected with the second end of the switch, and the output end of the power supply module is respectively connected with the power supply end of the power line carrier communication module and the power supply end of the upper computer communication module; the utility model provides a transmission control ware passes through carrier communication and is load power supply and communication, and inner structure is simple, only can realize power supply and communication through a line, and is with low costs.
Description
Technical Field
The utility model belongs to the technical field of the rail transit, especially, relate to a transmission control ware and electronic landmark system.
Background
Along with the development of high-speed railways, the models of motor train units are continuously increased, different trains stop on the same railway, and in order to guide passengers to quickly find own carriages, a plurality of electronic landmarks are usually arranged on a platform to guide the passengers to wait. Electronic landmark systems typically provide power to and communicate with individual electronic landmarks from a transmission controller.
In the prior art, power supply and communication between the transmission controller and each electronic landmark are separated, so that the internal circuit of the transmission controller is complicated, and the wiring cost between the transmission controller and each electronic landmark is high.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides a transmission controller and an electronic landmark system, so as to solve the problems of the prior art, such as power supply and communication separation between the transmission controller and the electronic landmark, complex circuit and high wiring cost.
The embodiment of the utility model provides a first aspect provides a transmission controller, include: the power supply device comprises a switch, a power supply module, a power line carrier communication module and an upper computer communication module;
the first end of the switch is used for being connected with the input end of the transmission controller, and the second end of the switch is connected with the output end of the transmission controller;
the first end of the power line carrier communication module is connected with the second end of the switch, and the second end of the power line carrier communication module is connected with the first end of the upper computer communication module;
the second end of the upper computer communication module is used for communicating with an upper computer;
the input end of the power supply module is connected with the second end of the switch, and the output end of the power supply module is respectively connected with the power supply end of the power line carrier communication module and the power supply end of the upper computer communication module;
the input end of the transmission controller is used for being connected with an alternating current power supply, and the output end of the transmission controller is used for being connected with a load through a power line.
Optionally, the second end of the upper computer communication module includes: at least two second communication terminals; the upper computer communication module includes: a protocol selector and at least two protocol converters; the number of the protocol converters is the same as that of the second communication terminals;
the first end of the protocol selector is connected with the first end of the upper computer communication module, the second end of the protocol selector is respectively connected with the first end of each protocol converter, and the power supply end of the protocol selector is connected with the power supply end of the upper computer communication module;
the second ends of the protocol converters are respectively connected with the second communication ends in a one-to-one correspondence mode, and the power supply ends of the protocol selectors are connected with the power supply end of the upper computer communication module.
Optionally, the at least two protocol converters include: an Ethernet protocol converter, a 422 protocol converter and a 485 protocol converter.
Optionally, the transmission controller further includes: a strong electric interference isolation module;
the input end of the strong current interference isolation module is respectively connected with the second end of the switch and the input end of the power supply module, and the output end of the strong current interference isolation module is respectively connected with the output end of the transmission controller and the first end of the power line carrier communication module.
Optionally, the power line comprises: live and neutral lines; the input of strong electric interference isolation module includes: a first isolation input and a second isolation input; the output of strong electric interference isolation module includes: a first isolated output and a second isolated output; the input of power module includes: a first power supply input terminal and a second power supply input terminal; the first isolation input end is connected with the first power supply input end, and the second isolation input end is connected with the second power supply input end; the first isolation input end and the second isolation input end are also connected with an alternating current power supply through a switch; the first isolation output end and the second isolation output end are respectively connected with the live wire and the zero wire;
the strong electric interference isolation module comprises: a first power inductor and a second power inductor;
the first end of the first power inductor is connected with the first isolation input end, and the second end of the first power inductor is connected with the first isolation output end;
the first end of the second power inductor is connected with the second isolation input end, and the second end of the second power inductor is connected with the second isolation output end.
Optionally, the output end of the power supply module includes: a first power supply output terminal and a second power supply output terminal; the first power supply output end is connected with a power end of the power line carrier communication module, and the second power supply output end is connected with a power end of the upper computer communication module; the power supply module includes: the ACDC unit, the first DCDC unit and the second DCDC unit;
the input end of the ACDC unit is connected with the input end of the power supply module, and the output end of the ACDC unit is respectively connected with the input end of the first DCDC unit and the input end of the second DCDC unit;
the output end of the first DCDC unit is connected with the first power supply output end;
the output end of the second DCDC unit is connected with the second power supply output end.
Optionally, the transmission controller further includes: a weak current interference isolation module;
the input end of the weak current interference isolation module is connected with the first power supply output end, and the output end of the weak current interference isolation module is connected with the power supply end of the power line carrier communication module.
Optionally, the weak current interference isolation module includes: a filter capacitor and magnetic beads;
the first end of the filter capacitor is respectively connected with the input end of the weak current interference isolation module and the first end of the magnetic bead, and the second end of the filter capacitor is grounded;
and the second end of the magnetic bead is connected with the output end of the weak current interference isolation module.
Optionally, the switch is an air switch.
The embodiment of the utility model provides a second aspect provides an electronic landmark system, include: at least one electronic landmark, an upper computer and a transmission controller as provided in the first aspect of the above embodiments;
the first end of the transmission controller is respectively connected with each electronic landmark, and the second end of the transmission controller is in communication connection with the upper computer.
The embodiment of the utility model provides a transmission controller and electron landmark system, above-mentioned transmission controller includes: the power line communication module comprises a switch, a power line carrier communication module, an upper computer communication module and a power supply module; the first end of the switch is used for being connected with the input end of the transmission controller, and the second end of the switch is connected with the output end of the transmission controller; the first end of the power line carrier communication module is connected with the second end of the switch, and the second end of the power line carrier communication module is connected with the first end of the upper computer communication module; the input end of the power supply module is connected with the second end of the switch, and the output end of the power supply module is respectively connected with the power supply end of the power line carrier communication module and the power supply end of the upper computer communication module; the embodiment of the utility model provides an in transmission controller passes through carrier communication and is load power supply and communication, and inner structure is simple, only can realize power supply and communication through a line, and is with low costs.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a transmission controller according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an upper computer communication module according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another transmission controller according to an embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a strong electric interference isolation module according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a power supply module according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a part of a transmission controller according to an embodiment of the present invention;
fig. 7 is a schematic circuit diagram of a weak current interference isolation module according to an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Referring to fig. 1, the present disclosure provides a transmission controller 1, including: the power supply system comprises a switch K1, a power supply module 11, a power line carrier communication module 12 and an upper computer communication module 13;
a first end of the switch K1 is used for being connected with an input end of the transmission controller 1, and a second end of the switch K1 is connected with an output end of the transmission controller 1;
the first end of the power line carrier communication module 12 is connected with the second end of the switch K1, and the second end of the power line carrier communication module 12 is connected with the first end of the upper computer communication module 13;
the second end of the upper computer communication module 13 is used for communicating with the upper computer 2;
the input end of the power supply module 11 is connected with the second end of the switch K1, and the output end of the power supply module 11 is respectively connected with the power supply end of the power line carrier communication module 12 and the power supply end of the upper computer communication module 13;
the input end of the transmission controller 1 is used for connecting with an alternating current power supply, and the output end of the transmission controller 1 is used for connecting with a load through a power line.
Power line carrier communication (power line carrier communication) is power system communication in which a power transmission line is a transmission medium of a carrier signal. Because the transmission line has very firm bearing structure, so the transmission line is used for transmitting carrier signals when transmitting power frequency current, and is economical and very reliable.
The embodiment of the utility model provides a transmission controller 1 adopts power line carrier communication, and communication quality is reliable. Meanwhile, power supply and communication are combined into one, and power supply and communication for a load (such as the electronic landmark 3) can be realized by using only one wire, so that an internal circuit is simplified, and the cost is reduced. Meanwhile, repeated wiring is not needed between the transmission controller 1 and the load, and cost is effectively reduced.
In some embodiments, the second end of the upper computer communication module 13 includes: at least two second communication terminals; the upper computer communication module 13 may include: a protocol selector 131 and at least two protocol converters 132; the number of the protocol converters 132 is the same as that of the second communication terminals;
a first end of the protocol selector 131 is connected with a first end of the upper computer communication module 13, a second end of the protocol selector 131 is respectively connected with a first end of each protocol converter 132, and a power supply end of the protocol selector 131 is connected with a power supply end of the upper computer communication module 13;
the second terminals of the protocol converters 132 are respectively connected to the second communication terminals in a one-to-one correspondence, and the power supply terminals of the protocol selectors 131 are connected to the power supply terminal of the upper computer communication module 13.
The embodiment of the utility model provides an in upper computer communication module 13 sets up a plurality of protocol converters 132, can select a certain specific communication mode according to the practical application demand, and compatible various communication mode's host computer 2 has improved the compatibility. Meanwhile, multiple communication modes are arranged redundantly, one communication mode with higher communication quality can be selected for communication according to the current communication quality of each communication mode, or when one communication mode is abnormal, another communication mode can be rapidly switched, and the stability of communication between the transmission controller 1 and the upper computer 2 is improved.
In some embodiments, the at least two protocol converters 132 may include: ethernet protocol converter 132, 422 protocol converter 132, and 485 protocol converter 132.
In some embodiments, the upper computer communication module 13 may include: a protocol converter 132;
the first end of the one protocol converter 132 is connected to the first end of the upper computer communication module 13, and the second end of the one protocol converter 132 is connected to the second end of the upper computer communication module 13.
If the transmission controller 1 and the upper computer 2 have reliable network transmission conditions, it is not necessary to set multiple communication modes, and only one protocol converter 132 is set to convert the power carrier communication protocol into the corresponding communication protocol.
In some embodiments, referring to fig. 3, the transmission controller 1 may further include: a strong electric interference isolation module 14;
the input end of the strong electric interference isolation module 14 is connected to the second end of the switch K1 and the input end of the power supply module 11, and the output end of the strong electric interference isolation module 14 is connected to the output end of the transmission controller 1 and the first end of the power line carrier communication module 12.
The embodiment of the utility model provides an in set up strong electric power and disturb isolation module 14, keep apart the power supply of external power supply and power line carrier communication module 12, prevent that external power supply from producing the interference to power line carrier communication module 12, improved transmission controller 1's stability.
In some embodiments, referring to fig. 4, a power line includes: live and neutral lines; the input terminal of the strong electric interference isolation module 14 includes: a first isolation input and a second isolation input; the output of the strong electric interference isolation module 14 includes: a first isolated output and a second isolated output; the input of the power supply module 11 includes: a first power input terminal and a second power input terminal; the first isolation input end is connected with the first power supply input end, and the second isolation input end is connected with the second power supply input end; the first isolation input end and the second isolation input end are also connected with an alternating current power supply through a switch K1; the first isolation output end and the second isolation output end are respectively connected with the live wire and the zero wire;
the strong electric interference isolation module 14 may include: a first power inductor L1 and a second power inductor L2;
a first end of the first power inductor L1 is connected with a first isolation input end, and a second end of the first power inductor L1 is connected with a first isolation output end;
a first terminal of a second power inductor L2 is connected to the second isolated input terminal and a second terminal of a second power inductor L2 is connected to the second isolated output terminal.
In some embodiments, the first power inductor L1 and the second power inductor L2 may both be 100 μ H.
The embodiment of the utility model provides an adopt two power inductances (L1 and L2) to carry out the forceful electric power and keep apart, can realize interfering signal's effective isolation, the device is simple, and is with low costs.
In some embodiments, referring to fig. 5, the output of the power supply module 11 includes: a first power supply output terminal VCC1 and a second power supply output terminal VCC 2; the first power supply output terminal VCC1 is connected with a power supply terminal of the power line carrier communication module 12, and the second power supply output terminal VCC2 is connected with a power supply terminal of the upper computer communication module 13; the power supply module 11 may include: an ACDC unit 111, a first DCDC unit 112, and a second DCDC unit 113;
the input end of the ACDC unit 111 is connected to the input end of the power supply module 11, and the output end of the ACDC unit 111 is connected to the input end of the first DCDC unit 112 and the input end of the second DCDC unit 113, respectively;
the output terminal of the first DCDC unit 112 is connected to the first power supply output terminal VCC 1;
an output of the second DCDC unit 113 is connected to a second supply output VCC 2.
The embodiment of the utility model provides an in, power line carrier communication module 12 and host computer communication module 13 adopt an independent DCDC unit power supply respectively, do not influence each other, get rid of the interference that common power produced.
In some embodiments, referring to fig. 6, the transmission controller 1 may further include: a weak current interference isolation module 15;
the input end of the weak current interference isolation module 15 is connected to the first power supply output end VCC1, and the output end of the weak current interference isolation module 15 is connected to the power supply end of the power line carrier communication module 12.
The embodiment of the utility model provides an in still be provided with weak current interference isolation module 15, further purify power line carrier communication module 12's power supply, guaranteed the stability of power supply and communication and the robustness of system.
In some embodiments, referring to fig. 7, the weak electrical interference isolation module 15 may include: a filter capacitor C1 and a magnetic bead L3;
a first end of the filter capacitor C1 is connected to the input end of the weak current interference isolation module 15 and the first end of the magnetic bead L3, respectively, and a second end of the filter capacitor C1 is grounded;
and the second end of the magnetic bead L3 is connected with the output end of the weak current interference isolation module 15.
In some embodiments, the magnetic bead L3 may be 100 μ H.
In some embodiments, the filter capacitors C1 may be two, 0.1 μ F and 10 μ F respectively.
Specifically, the filter capacitor C1 may be a plurality of capacitors connected in parallel, and the number and the capacitance value of the capacitors may be selected according to the actual application requirement.
In some embodiments, the voltage of the output terminal of the ACDC unit 111 may be 5V, and the voltages of the output terminals of the first DCDC unit 112 and the second DCDC unit 113 may be 3.3V.
In some embodiments, switch K1 may be an air switch.
Switch K1 is closed and the power line supplies power and communications to the back-end load through transmission controller 1.
Referring to fig. 1, an embodiment of the present invention further provides an electronic landmark system, including: at least one electronic landmark 3, an upper computer 2 and the transmission controller 1 provided by the above embodiment;
the first end of the transmission controller 1 is respectively connected with each electronic landmark 3, and the second end of the transmission controller 1 is in communication connection with the upper computer 2.
The transmission controller 1 supplies power and communicates for each electronic landmark 3 according to the instruction of the upper computer 2, and displays landmark information.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and 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.
Claims (10)
1. A transmission controller, comprising: the power supply device comprises a switch, a power supply module, a power line carrier communication module and an upper computer communication module;
the first end of the switch is used for being connected with the input end of the transmission controller, and the second end of the switch is connected with the output end of the transmission controller;
the first end of the power line carrier communication module is connected with the second end of the switch, and the second end of the power line carrier communication module is connected with the first end of the upper computer communication module;
the second end of the upper computer communication module is used for communicating with an upper computer;
the input end of the power supply module is connected with the second end of the switch, and the output end of the power supply module is respectively connected with the power end of the power line carrier communication module and the power end of the upper computer communication module;
the input end of the transmission controller is used for being connected with an alternating current power supply, and the output end of the transmission controller is used for being connected with a load through a power line.
2. The transmission controller of claim 1, wherein the second end of the upper computer communication module comprises: at least two second communication terminals; the upper computer communication module includes: a protocol selector and at least two protocol converters; the number of the protocol converters is the same as that of the second communication terminals;
the first end of the protocol selector is connected with the first end of the upper computer communication module, the second end of the protocol selector is respectively connected with the first end of each protocol converter, and the power supply end of the protocol selector is connected with the power supply end of the upper computer communication module;
the second ends of the protocol converters are respectively connected with the second communication ends in a one-to-one correspondence mode, and the power supply ends of the protocol selectors are connected with the power supply end of the upper computer communication module.
3. The transmission controller of claim 2, wherein the at least two protocol converters comprise: an Ethernet protocol converter, a 422 protocol converter and a 485 protocol converter.
4. The transmission controller according to any one of claims 1 to 3, characterized in that the transmission controller further comprises: a strong electric interference isolation module;
the input end of the strong current interference isolation module is respectively connected with the second end of the switch and the input end of the power supply module, and the output end of the strong current interference isolation module is respectively connected with the output end of the transmission controller and the first end of the power line carrier communication module.
5. The transmission controller of claim 4, wherein the power line comprises: live and neutral lines; the input end of the strong electric interference isolation module comprises: a first isolated input and a second isolated input; the output end of the strong electric interference isolation module comprises: a first isolated output and a second isolated output; the input end of the power supply module comprises: a first power input terminal and a second power input terminal; the first isolation input end is connected with the first power supply input end, and the second isolation input end is connected with the second power supply input end; the first isolation input end and the second isolation input end are also connected with an alternating current power supply through the switch; the first isolation output end and the second isolation output end are respectively connected with a live wire and a zero wire;
the strong electric interference isolation module comprises: a first power inductor and a second power inductor;
a first end of the first power inductor is connected with the first isolation input end, and a second end of the first power inductor is connected with the first isolation output end;
the first end of the second power inductor is connected with the second isolation input end, and the second end of the second power inductor is connected with the second isolation output end.
6. The transmission controller of any one of claims 1 to 3, wherein the output of the power supply module comprises: a first power supply output terminal and a second power supply output terminal; the first power supply output end is connected with a power end of the power line carrier communication module, and the second power supply output end is connected with a power end of the upper computer communication module; the power supply module includes: the ACDC unit, the first DCDC unit and the second DCDC unit;
the input end of the ACDC unit is connected with the input end of the power supply module, and the output end of the ACDC unit is respectively connected with the input end of the first DCDC unit and the input end of the second DCDC unit;
the output end of the first DCDC unit is connected with the first power supply output end;
the output end of the second DCDC unit is connected with the second power supply output end.
7. The transmission controller of claim 6, wherein the transmission controller further comprises: a weak current interference isolation module;
the input end of the weak current interference isolation module is connected with the first power supply output end, and the output end of the weak current interference isolation module is connected with the power supply end of the power line carrier communication module.
8. The transmission controller of claim 7, wherein the weak galvanic interference isolation module comprises: a filter capacitor and magnetic beads;
the first end of the filter capacitor is respectively connected with the input end of the weak current interference isolation module and the first end of the magnetic bead, and the second end of the filter capacitor is grounded;
and the second end of the magnetic bead is connected with the output end of the weak current interference isolation module.
9. The transmission controller of any one of claims 1 to 3, wherein the switch is an air switch.
10. An electronic landmark system, comprising: at least one electronic landmark, a host computer and a transmission controller according to any one of claims 1 to 9;
the first end of the transmission controller is respectively connected with each electronic landmark, and the second end of the transmission controller is in communication connection with the upper computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202220681539.8U CN217133563U (en) | 2022-03-25 | 2022-03-25 | Transmission controller and electronic landmark system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220681539.8U CN217133563U (en) | 2022-03-25 | 2022-03-25 | Transmission controller and electronic landmark system |
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| CN217133563U true CN217133563U (en) | 2022-08-05 |
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| CN202220681539.8U Active CN217133563U (en) | 2022-03-25 | 2022-03-25 | Transmission controller and electronic landmark system |
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