CN203479854U - Loop signal code sender - Google Patents
Loop signal code sender Download PDFInfo
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- CN203479854U CN203479854U CN201320632722.XU CN201320632722U CN203479854U CN 203479854 U CN203479854 U CN 203479854U CN 201320632722 U CN201320632722 U CN 201320632722U CN 203479854 U CN203479854 U CN 203479854U
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Abstract
The utility model discloses a loop signal code sender. The loop signal code sender is characterized in that the loop signal code sender comprises a processing unit for processing instructions and data and generating control signals, a signal generation unit for generating a plurality of types of loop signals according to the control signals from the processing unit; a voltage and current regulating unit for carrying out voltage and current regulation on the loop signals generated by the signal generation unit according to the control signals from the processing unit, at least one power amplification unit for carrying out power amplification on the loop signals regulated by the voltage and current regulating unit and then outputting the loop signals after the power amplification to at least one connecting terminal for connecting loop signal cables, a voltage and current measuring unit for measuring the amplified loop signals outputted by the power amplification unit and outputting the measurement results to the processing unit, and an interface unit which is coupled with the processing unit and used for providing an interface for the processing unit with external communication.
Description
Technical field
The utility model relates to the communications field, particularly, relates to a kind of loop wire signal code sender.
Background technology
Signal code sender is a kind of cab signal testing apparatus.Railway interests is generally provided with one section of railway that is used for specially carrying out cab signal test in each locomotive depot, is called " test loop ".In this section of railway track, along steel rail laying, have leakage signal cable (or wire), this cable is connected with the loop wire signal code sender of test use.During test, the circulation of loop wire signal code sender sends the track signal for example, for example, with various carrier frequency, modulating frequency (, domestic shift frequency or UM71 signal) or various cycle (, railroad AC counting signal).During practical operation, locomotive all makes a brief stay while going out to put in storage at every turn on loop wire, by the signal on the inductor reception loop wire of locomotive bottom.Cab signal maintainer can judge that whether cab signal is normal according to the situation of change of signal light for locomotive, and whether determined needs to overhaul.
Although existing locomotive loop wire signal code sender can produce cab signal and test required various signals, needs operator before test, loop wire signal code sender to be arranged, and can not realize the automatic test of cab signal.Along with railway systems are more and more higher to the requirement of robotization, existing loop wire signal code sender is can not meet request for utilization.
For the problems referred to above, in prior art, there is no good solution.
Utility model content
The purpose of this utility model is to provide a kind of equipment, and this equipment can meet the cab signal requirement of test automatically.
To achieve these goals, the utility model provides a kind of loop wire signal code sender, and wherein, this loop wire signal code sender comprises: processing unit, for the treatment of instruction and data and produce control signal; Signal generating unit, for the loop wire signal with generation multiple types according to the control signal from described processing unit; Electric current and voltage regulon, carries out electric current and voltage adjusting for the loop wire signal described signal generating unit being produced according to the control signal from described processing unit; At least one power amplification unit, carries out power amplification for the loop wire signal after described electric current and voltage regulon is regulated, and then the loop wire signal after power amplification is outputed to for connecting at least one connection terminal of loop wire signal cable; Voltage and current measurement unit, for measuring the loop wire signal after the described power amplification of described power amplification unit output and measurement result being outputed to described processing unit; And interface unit, this interface unit and the coupling of described processing unit, for providing the interface of described processing unit and PERCOM peripheral communication.
Alternatively, described interface unit comprises a plurality of interfaces, and wherein the plurality of interface comprises following one at least: wired communication interface, wireless communication interface.
Alternatively, described wired communication interface comprises following one at least: RS-232 interface, USB interface, RJ45 interface.
Alternatively, described signal generating unit is digitized spectra signal generating unit.
Alternatively, described power amplification unit quantity is four, and each of described power amplification unit outputs to two described connection terminals by the loop wire signal after power amplification.
Alternatively, this loop wire signal code sender also comprises input/output device, is connected, for realizing man-machine interaction with described processing unit.
Alternatively, this loop wire signal code sender also comprises the touch display screen being connected with described processing unit, for man-machine interface is provided.
Alternatively, this loop wire signal code sender also comprises a plurality of fuses, and each of the plurality of fuse is set up corresponding to each connection terminal of connection terminal described at least one.
Pass through technique scheme, the processor of loop wire signal code sender can receive external command from host computer by interface unit, also signaling information exchange can be crossed to interface unit and be sent to host computer, make host computer become possibility to Long-distance Control and the management of loop wire signal code sender, realize cab signal and automatically test.
Other feature and advantage of the present utility model partly in detail are described the embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for instructions, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 forms schematic diagram according to the loop wire signal code sender of the utility model embodiment; And
Fig. 2 forms schematic diagram according to the loop wire signal code sender of the utility model preferred implementation.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
Fig. 1 forms schematic diagram according to the loop wire signal code sender of the utility model embodiment.As shown in Figure 1, a kind of loop wire signal code sender that the utility model embodiment provides, wherein, this loop wire signal code sender can comprise: processing unit 101, for the treatment of instruction and data and produce control signal; Signal generating unit 102, for the loop wire signal with generation multiple types according to the control signal from described processing unit 101; Electric current and voltage regulon 103, carries out electric current and voltage adjusting for the loop wire signal described signal generating unit 102 being produced according to the control signal from described processing unit 101; At least one power amplification unit 104, carries out power amplification for the loop wire signal after described electric current and voltage regulon 103 is regulated, and then the loop wire signal after power amplification is outputed to for connecting at least one connection terminal 107 of loop wire signal cable; Voltage and current measurement unit 105, for measuring the loop wire signal after the described power amplification of described power amplification unit 104 outputs and measurement result being outputed to described processing unit 101; And interface unit 106, this interface unit 106 and described processing unit 101 couplings, for providing the interface of described processing unit 101 with PERCOM peripheral communication.
Pass through technique scheme, the processor 101 of loop wire signal code sender can receive external command from host computer by interface unit 106, also signaling information exchange can be crossed to interface unit 106 and be sent to host computer, make host computer become possibility to Long-distance Control and the management of loop wire signal code sender, realize cab signal and automatically test.
According to the processor unit 101 of the utility model embodiment, can be that for example, embedded system is processed device, general processor, application specific processor, digital signal processor (DSP), field programmable gate array (FPGA) circuit etc.Processor unit 101 can self-contained storing devices to deposit pending instruction and data, also can connect external memory storage.According to electric current and voltage regulon 103 of the present utility model, power amplification unit 104 and voltage and current measurement unit 105, can use and existing loop wire code sender same model or similar parts.
In one embodiment, described interface unit 106 can comprise a plurality of interfaces, and wherein the plurality of interface comprises following one at least: wired communication interface 1061, wireless communication interface 1062.Wherein, in one embodiment, for example, described wired communication interface 1061 can comprise following one at least: RS-232 interface, USB interface, RJ45 interface.
According to the utility model embodiment, the wired communication interface 1061 of setting and wireless communication interface 1062 can be the various communication interfaces of the technology maturation used in the communications field.Like this, both guaranteed the reliability of communication, and reduced to a certain extent and designed and developed cost again.
Fig. 2 forms schematic diagram according to the loop wire signal code sender of the utility model preferred implementation.As shown in Figure 2, according to a kind of loop wire signal code sender of the utility model embodiment, except the building block shown in Fig. 1, for example can also comprise input/output device 108(, keyboard or display), be connected with described processing unit 101, for realizing man-machine interaction, for example, input instruction or show the duty etc. of loop wire signal code sender; Can also comprise wired communication interface 1061 and wireless communication interface 1062, wherein wireless communication interface 1062 can be connected for wireless transmission/reception signal with antenna.In one embodiment, this loop wire signal code sender can also comprise that the touch display screen 109 being connected with described processing unit 101 is for providing this touch display screen of man-machine interface also can realize the function of input/output device.
One preferred embodiment in, described signal generating unit 102 can be digitized spectra signal generating unit.Digitized spectra signal generating unit, can adopt digitized spectra generation technique, automatically generates all kinds of carrier frequency, low frequency waveform frequency spectrum, and preserve into audio frequency signal file with software mode.Digitized spectra signal generating unit can effectively solve the problem that traditional analog code sender is generated the unstable of waveform frequency spectrum and lagged behind by waveform generator.In one embodiment, processor unit 101(for example, embedded system is processed device) in program can control example as, sound card is play good sound signal file prepared in advance, thereby at audio port output corresponding signal, program changes the size of transmitted signal current value by volume adjusting, to meet the needs of actual signal intensity.Program can be passed through FEEDBACK CONTROL, for example, utilizes the measuring-signal processor unit 101 that voltage and current measurement unit 105 returns can automatically revise by program the signal of transmission, thereby guarantees the accuracy of transmitted signal.Such processing makes the signal of generation more accurate, and electric current and voltage is controlled more flexible, and cab signal test is more accurate.
By digitized spectra signal generating unit, the carrier frequency of loop wire signal to be sent, modulating frequency can be stored in storer by the form of signal file.By processor unit, transfer and need signal file corresponding to the standard of signaling (for example, UM71,4 information shift frequencies, 19 information shift frequencies, 3060 shift frequencies, 25 weeks ac countings and ZPW2000 etc.), just can generate signal accurately.
In one embodiment, described power amplification unit 104 quantity are 4 (not shown), and each of described power amplification unit 104 outputs to two described connection terminals 107 by the loop wire signal after power amplification.Wherein, each connection terminal 107 is corresponding to a loop wire.Adopt above-mentioned connected mode, each power amplification unit 104 is corresponding to two loop wires.Like this, can use less parts (for example, less power amplifier) to realize a plurality of loop wires are carried out to signaling, thereby further save manufacturing cost.In one embodiment, can adopt and make each power amplification unit 104 corresponding to the set-up mode of a connection terminal 107.In one embodiment, in order to guarantee the safe handling of equipment, this loop wire signal code sender can also comprise a plurality of fuse (not shown), and each of the plurality of fuse can be set up corresponding to each connection terminal 107 of connection terminal described at least one 107.In one embodiment, fuse can be arranged between power amplification unit 104 and connection terminal 107, and the model of fuse can be, for example 2A.In one embodiment, according to loop wire signal code sender of the present utility model, use and exchange 220v as power supply.In one embodiment, can total fuse be set according to the power supply place of loop wire signal code sender of the present utility model, the model of this total fuse can be, for example, and 5A.
The loop wire signal code sender providing by the utility model embodiment, for example, can display case on touch display screen 109 as, the information such as current signaling standard, low-frequency information, teleseme demonstration, current pattern signaling progress, also can arrange by 109 pairs of above-mentioned information of touch display screen.Meanwhile, processor unit 101 can be crossed above-mentioned information exchange wired and/or wireless communication interface and be sent to host computer or external unit, and from host computer or external unit, receives the setting to these information by wired and/or wireless communication interface.According to the loop wire signal code sender of the utility model embodiment, can connect the cable that maximum loop line impedence is 10 Ω, when the cross-section of cable amasss while being 6 square millimeters, the total length of loop wire can reach 2.5Km, can meet the needs to various train signals tests.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for example, touch display screen 109 and input/output device 108 can be combined as parts.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.
In addition, between various embodiment of the present utility model, also can carry out combination in any, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (8)
1. a loop wire signal code sender, is characterized in that, this loop wire signal code sender comprises:
Processing unit, for the treatment of instruction and data and produce control signal;
Signal generating unit, for the loop wire signal with generation multiple types according to the control signal from described processing unit;
Electric current and voltage regulon, carries out electric current and voltage adjusting for the loop wire signal described signal generating unit being produced according to the control signal from described processing unit;
At least one power amplification unit, carries out power amplification for the loop wire signal after described electric current and voltage regulon is regulated, and then the loop wire signal after power amplification is outputed to for connecting at least one connection terminal of loop wire signal cable;
Voltage and current measurement unit, for measuring the loop wire signal after the described power amplification of described power amplification unit output and measurement result being outputed to described processing unit; And
Interface unit, this interface unit and the coupling of described processing unit, for providing the interface of described processing unit and PERCOM peripheral communication.
2. loop wire signal code sender according to claim 1, is characterized in that, described interface unit comprises a plurality of interfaces, and wherein the plurality of interface comprises following one at least: wired communication interface, wireless communication interface.
3. loop wire signal code sender according to claim 2, is characterized in that, described wired communication interface comprises following one at least: RS-232 interface, USB interface, RJ45 interface.
4. loop wire signal code sender according to claim 1, is characterized in that, described signal generating unit is digitized spectra signal generating unit.
5. loop wire signal code sender according to claim 1, is characterized in that, described power amplification unit quantity is four, and each of described power amplification unit outputs to two described connection terminals by the loop wire signal after power amplification.
6. loop wire signal code sender according to claim 1, is characterized in that, this loop wire signal code sender also comprises input/output device, is connected, for realizing man-machine interaction with described processing unit.
7. loop wire signal code sender according to claim 1, is characterized in that, this loop wire signal code sender also comprises the touch display screen being connected with described processing unit, for man-machine interface is provided.
8. loop wire signal code sender according to claim 1, is characterized in that, this loop wire signal code sender also comprises a plurality of fuses, and each of the plurality of fuse is set up corresponding to each connection terminal of connection terminal described at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320632722.XU CN203479854U (en) | 2013-10-14 | 2013-10-14 | Loop signal code sender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320632722.XU CN203479854U (en) | 2013-10-14 | 2013-10-14 | Loop signal code sender |
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| CN203479854U true CN203479854U (en) | 2014-03-12 |
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| CN201320632722.XU Expired - Lifetime CN203479854U (en) | 2013-10-14 | 2013-10-14 | Loop signal code sender |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031002A (en) * | 2018-08-22 | 2018-12-18 | 南京铁道职业技术学院 | A kind of intelligent frequency synthesis formula mobile unit signal loor signaling circuit |
| CN110077436A (en) * | 2018-01-26 | 2019-08-02 | 北京交大思诺科技股份有限公司 | Intelligent track circuit signaling case |
| CN112429038A (en) * | 2020-12-02 | 2021-03-02 | 哈尔滨市科佳通用机电股份有限公司 | Test loop line code sending system and method for locomotive signal vehicle-mounted equipment |
| CN112687091A (en) * | 2020-12-31 | 2021-04-20 | 哈尔滨市科佳通用机电股份有限公司 | Locomotive signal code sending remote control device, locomotive signal testing system and locomotive signal testing method |
-
2013
- 2013-10-14 CN CN201320632722.XU patent/CN203479854U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110077436A (en) * | 2018-01-26 | 2019-08-02 | 北京交大思诺科技股份有限公司 | Intelligent track circuit signaling case |
| CN110077436B (en) * | 2018-01-26 | 2021-07-02 | 北京交大思诺科技股份有限公司 | Intelligent track circuit code-sending box |
| CN109031002A (en) * | 2018-08-22 | 2018-12-18 | 南京铁道职业技术学院 | A kind of intelligent frequency synthesis formula mobile unit signal loor signaling circuit |
| CN112429038A (en) * | 2020-12-02 | 2021-03-02 | 哈尔滨市科佳通用机电股份有限公司 | Test loop line code sending system and method for locomotive signal vehicle-mounted equipment |
| CN112687091A (en) * | 2020-12-31 | 2021-04-20 | 哈尔滨市科佳通用机电股份有限公司 | Locomotive signal code sending remote control device, locomotive signal testing system and locomotive signal testing method |
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