CN205139626U - Electric locomotive traction control ware state feedback device and system - Google Patents
Electric locomotive traction control ware state feedback device and system Download PDFInfo
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- CN205139626U CN205139626U CN201520896711.1U CN201520896711U CN205139626U CN 205139626 U CN205139626 U CN 205139626U CN 201520896711 U CN201520896711 U CN 201520896711U CN 205139626 U CN205139626 U CN 205139626U
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Abstract
The utility model provides an electric locomotive traction control ware state feedback device and system, wherein, electric locomotive traction control ware state feedback device includes: signal converter and signal processor, signal converter includes at least two way signal input part and signal output part of the same kind, at least two way signal input part with electric locomotive's the traction current transformation ware cabinet body feeds back the device and connects, all the way signal output part with signal processor connects, signal converter, be used for with the digital state feedback signal conversion that at least two way signal input part inputed respectively becomes analog output signal all the way, and will analog output signal output gives all the way signal processor, signal processor, it is right to be used for the analog output signal carries out signal analysis all the way, in order to obtain digit state feedback signal. The utility model provides an electric locomotive traction control ware state feedback device has promoted the resource utilization rate of obs core control chip.
Description
Technical field
The utility model relates to railway locomotive technical field, particularly relates to a kind of electric locomotive traction controller state feedback assembly and system.
Background technology
Railway track traffic is the main development direction of field of traffic always, and especially in recent years, the development of the electric locomotives such as subway, motor-car, high ferro is more and more faster, and demand is very huge.In the control system of electric locomotive, traction control unit, for realizing electrical haulage and the control for brake of electric locomotive, controls adjustment accordingly according to the status feedback signal that electric locomotive traction current transformer cabinet feedback device transmits.
At present, the state-feedback circuit of electric locomotive traction control module adopts the universal input pin of kernel processor chip directly to gather realization one to one to status feedback signal, namely, if there is N line state feedback signal, then the N road input pin of kernel processor chip is adopted directly to sample one to one realization to this N line state feedback signal.
But, along with development and the innovation of electric locomotive, the quantity having expedited the emergence of electric locomotive traction control module status feedback signal from the angle of electric locomotive comfortableness and functional design gets more and more, if adopt existing signal feedback method, due to the universal input pin resource-constrained of kernel processor chip, the quantity demand of status feedback signal cannot be met.
Utility model content
The utility model provides a kind of electric locomotive traction controller state feedback assembly and system, saves the pin resource of kernel processor chip, improves the resource utilization of kernel control chip.
The electric locomotive traction controller state feedback assembly that the utility model provides, comprising: signal converter and signal processor;
Described signal converter comprises at least two paths of signals input end and a road signal output part;
Described at least two paths of signals input end is connected with the traction convertor cabinet feedback device of described electric locomotive; A described road signal output part is connected with described signal processor;
Described signal converter, converts a road analog output signal to for the digital state feedback signal inputted respectively by described at least two paths of signals input end, and a described road analog output signal is exported to described signal processor;
Described signal processor, for carrying out signal analysis to a described road analog output signal, to obtain described digital state feedback signal.
Optionally, described signal converter comprises: the first signal processor and secondary signal processor;
Described first signal processor comprises at least two paths of signals output terminal of at least two paths of signals input end and correspondence;
Described secondary signal processor comprises and the described first signal processor control signal input end that at least two paths of signals output terminal is corresponding, a road signal output part and the corresponding respectively analog input signal end of each state of a control of control signal of inputting with described control signal input end;
Described first signal processor, for receiving each railway digital status feedback signal by described at least two paths of signals input end, described each railway digital status feedback signal is encoded, obtain the control signal corresponding with each railway digital status feedback signal, and by the control signal input end of described at least two paths of signals output terminal and described secondary signal processor, described control signal is exported to described secondary signal processor respectively;
Described secondary signal processor, for obtaining state of a control according to each road control signal, select the analog input signal of corresponding analog input signal end input according to described state of a control, and by a described road signal output part, described analog input signal is exported to described signal processor.
The electric locomotive traction controller state feedback system that the utility model provides, comprising: the electric locomotive traction controller state feedback assembly that the traction convertor of electric locomotive and the utility model provide.
The utility model provides a kind of electric locomotive traction controller state feedback assembly and system, and wherein, electric locomotive traction controller state feedback assembly comprises signal converter and signal processor.Electric locomotive traction controller state feedback assembly of the present utility model, realize that multi-path digital status feedback signal is converted to a road analog output signal by signal converter and export to signal processor, make signal processor carry out process to this analog output signal and obtain multi-path digital status feedback signal, because signal processor just can finally obtain multichannel status feedback signal by means of only a pin resource, save the pin resource of kernel processor chip, improve the resource utilization of kernel control chip.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the electric locomotive traction controller state feedback assembly that Fig. 1 provides for the utility model embodiment one;
The structural representation of the electric locomotive traction controller state feedback assembly that Fig. 2 provides for the utility model embodiment two;
A kind of electrical block diagram of the secondary signal processor that Fig. 3 provides for the utility model embodiment two;
The structural representation of the electric locomotive traction controller state feedback system that Fig. 4 provides for the utility model embodiment one.
Description of reference numerals:
11: signal converter; 13: signal processor;
21: traction convertor; 23: electric locomotive traction controller state feedback assembly;
111: the first signal processors; 113: secondary signal processor;
1101: signal input part; 1102: signal output part;
1103: signal output part; 1104: control signal input end;
1105: analog input signal end.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The structural representation of the electric locomotive traction controller state feedback assembly that Fig. 1 provides for the utility model embodiment one.As shown in Figure 1, the electric locomotive traction controller state feedback assembly that the present embodiment provides, can comprise: signal converter 11 and signal processor 13.
Wherein, signal converter 11 comprises at least two paths of signals input end 1101 and a road signal output part 1102, at least two paths of signals input end 1101 is connected with the traction convertor cabinet feedback device of electric locomotive, and a road signal output part 1102 is connected with signal processor 13.
Signal converter 11, for converting the digital state feedback signal that at least two paths of signals input end 1101 inputs respectively to a road analog output signal, Bing Jiang mono-road analog output signal exports to signal processor 13.
Signal processor 13, for carrying out signal analysis to a road analog output signal, to obtain digital state feedback signal.
In the present embodiment, signal converter 11 comprises at least two paths of signals input end 1101, each road signal input part 1101 receives a railway digital status feedback signal for the traction convertor cabinet feedback device from electric locomotive, so, signal converter 11 can receive multi-path digital status feedback signal, signal converter 11 converts multi-path digital status feedback signal to a road analog output signal, namely, signal converter 11 can realize multiple input single output, so, signal processor 13 only needs to analyze this road analog output signal, just can obtain multi-path digital status feedback signal.So, limited digital state feedback signal, exports a road signal by the conversion of signal converter 11, uses a pin of signal processor 13, thus save pin resource when electric locomotive traction controller accepting state feedback signal, improve the resource utilization of kernel control chip.
It should be noted that, the present embodiment is not limited, as long as realize corresponding function for the specific implementation form of signal converter 11 and signal processor 13.Such as: signal converter 11 can pass through field programmable gate array (Field-ProgrammableGateArray, be called for short PFGA) chip realization, signal processor 13 can pass through digital signal processing (DigitalSignalProcessing is called for short DSP) chip and realize.
Present embodiments provide a kind of electric locomotive traction controller state feedback assembly, comprise signal converter and signal processor.The electric locomotive traction controller state feedback assembly that the present embodiment provides, realize that multi-path digital status feedback signal is converted to a road analog output signal by signal converter and export to signal processor, make signal processor carry out process to this analog output signal and obtain multi-path digital status feedback signal, because signal processor just can finally obtain multichannel status feedback signal by means of only a pin resource, save the pin resource of kernel processor chip, improve the resource utilization of kernel control chip.
The structural representation of the electric locomotive traction controller state feedback assembly that Fig. 2 provides for the utility model embodiment two, the present embodiment is on the basis of embodiment one, provide the another kind of implementation of electric locomotive traction controller state feedback assembly, especially provide a kind of specific implementation of signal converter.As shown in Figure 2, the electric locomotive traction controller state feedback assembly that the present embodiment provides, can comprise: signal converter 11 and signal processor 13.
Wherein, signal converter 11 can comprise: the first signal processor 111 and secondary signal processor 113.
First signal processor 111 comprises: at least at least two paths of signals output terminal 1103 of two paths of signals input end 1101 and correspondence.
Secondary signal processor 113 comprises: control signal input end 1104, the road signal output part 1102 corresponding with at least two paths of signals output terminal 1103 and the corresponding respectively analog input signal end 1105 of each state of a control of control signal inputted with control signal input end 1103.
First signal processor 111, each railway digital status feedback signal is received for passing through at least two paths of signals input end 1101, each railway digital status feedback signal is encoded, obtain the control signal corresponding with each railway digital status feedback signal, and control signal is exported to secondary signal processor 113 by control signal input end 1104 respectively that pass through at least two paths of signals output terminal 1103 and secondary signal processor 113.
Secondary signal processor 113, for obtaining state of a control according to each road control signal, according to the analog input signal that state of a control selects corresponding analog input signal end 1105 to input, and by a road signal output part 1102, analog input signal is exported to signal processor 13.
In the present embodiment, the first signal processor 111 realizes MIMO function, and secondary signal processor 113 realizes multiple input single output function.Wherein, first signal processor 111 carries out coding to the multi-path digital status feedback signal received and obtains multi-way control signals, secondary signal processor 113 selects a road analog input signal end 1105 according to this multi-way control signals, the analog input signal of this analog input signal end 1105 is exported to signal processor 13 as analog output signal, signal processor 13 is analyzed this analog output signal, thus obtains multi-path digital status feedback signal.
Visible, by above-mentioned signal processing flow, signal processor 13 just can finally obtain multichannel status feedback signal by means of only a pin resource, saves the pin resource of kernel processor chip, improves the resource utilization of kernel control chip.
Be convenient to for making the scheme of the present embodiment understand, the scheme of the present embodiment is described especially exemplified by a concrete circuit structure below.
Signal processor 13 is realized by DSP28335 chip, employing C language is programmed, first signal processor 111 is realized by fpga chip, adopt very high speed IC hardware description (VeryHighSpeedIntegratedCircuitHardwareDescriptionLanguag e, be called for short VHDL) programming, secondary signal processor 113 is realized by multiway analog switch chip GD408, refer to Fig. 3, a kind of electrical block diagram of the secondary signal processor that Fig. 3 provides for the utility model embodiment two, the circuit diagram of concrete is GD408.
In GD408 chip, V-, V+, GND are Power supply pin, and EN is enable pin, and pin A0, A1, A2 are as control signal input end 1103, and pin S1-S8 is as analog input signal end 1105, and pin D is as signal output part 1102.The function of GD408 chip is select any one the analog input signal in pin S1-S8 to be exported by pin D by the control signal of pin A0, A1, A2, and pin S1-S8 provides the different DC voltage analogues value respectively.
Suppose that the digital state feedback signal that the traction convertor of electric locomotive exports has A, B two-way, then A, B two-way digital state feedback signal has 00, 01, 10, 11 4 kinds of states, fpga chip is by two paths of signals input end 1101 couples of A, B two-way digital state feedback signal gathers, and to A, the state of B two-way digital state feedback signal is through coded treatment, export control signal, export the FDO5 in GD408 chip respectively to, FDO6, FDO7, four pins of FDO8, thus select S1, S2, S3, a DC voltage analogue value in S4 tetra-pins is as analog output signal, this analog output signal is exported in DSP28335 chip to be further processed, DSP28335 chip transforms through mould/number and is carried out resolving by analog output signal thus obtain concrete A, B two-way digital state feedback signal.
Present embodiments provide a kind of electric locomotive traction controller state feedback assembly, comprise signal converter and signal processor, wherein, signal converter comprises the first signal processor and secondary signal processor.The electric locomotive traction controller state feedback assembly that the present embodiment provides, realize that multi-path digital status feedback signal is converted to a road analog output signal by signal converter and export to signal processor, make signal processor carry out process to this analog output signal and obtain multi-path digital status feedback signal, because signal processor just can finally obtain multichannel status feedback signal by means of only a pin resource, save the pin resource of kernel processor chip, improve the resource utilization of kernel control chip.
The structural representation of the electric locomotive traction controller state feedback system that Fig. 4 provides for the utility model embodiment one.As shown in Figure 4, the electric locomotive traction controller state feedback system that the present embodiment provides, can comprise:
The electric locomotive traction controller state feedback assembly 23 that the traction convertor 21 of electric locomotive and as shown in FIG. 1 to 3 embodiment provide.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (3)
1. an electric locomotive traction controller state feedback assembly, is characterized in that, comprising: signal converter and signal processor;
Described signal converter comprises at least two paths of signals input end and a road signal output part;
Described at least two paths of signals input end is connected with the traction convertor cabinet feedback device of described electric locomotive; A described road signal output part is connected with described signal processor;
Described signal converter, converts a road analog output signal to for the digital state feedback signal inputted respectively by described at least two paths of signals input end, and a described road analog output signal is exported to described signal processor;
Described signal processor, for carrying out signal analysis to a described road analog output signal, to obtain described digital state feedback signal.
2. device according to claim 1, is characterized in that, described signal converter comprises: the first signal processor and secondary signal processor;
Described first signal processor comprises at least two paths of signals output terminal of at least two paths of signals input end and correspondence;
Described secondary signal processor comprises and the described first signal processor control signal input end that at least two paths of signals output terminal is corresponding, a road signal output part and the corresponding respectively analog input signal end of each state of a control of control signal of inputting with described control signal input end;
Described first signal processor, for receiving each railway digital status feedback signal by described at least two paths of signals input end, described each railway digital status feedback signal is encoded, obtain the control signal corresponding with each railway digital status feedback signal, and by the control signal input end of described at least two paths of signals output terminal and described secondary signal processor, described control signal is exported to described secondary signal processor respectively;
Described secondary signal processor, for obtaining state of a control according to each road control signal, select the analog input signal of corresponding analog input signal end input according to described state of a control, and by a described road signal output part, described analog input signal is exported to described signal processor.
3. an electric locomotive traction controller state feedback system, is characterized in that, comprising: the traction convertor of electric locomotive and electric locomotive traction controller state feedback assembly as claimed in claim 1 or 2.
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| CN201520896711.1U CN205139626U (en) | 2015-11-11 | 2015-11-11 | Electric locomotive traction control ware state feedback device and system |
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| CN201520896711.1U CN205139626U (en) | 2015-11-11 | 2015-11-11 | Electric locomotive traction control ware state feedback device and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106681197A (en) * | 2015-11-11 | 2017-05-17 | 中车大连电力牵引研发中心有限公司 | Electric locomotive traction controller state feedback device and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106681197A (en) * | 2015-11-11 | 2017-05-17 | 中车大连电力牵引研发中心有限公司 | Electric locomotive traction controller state feedback device and system |
| CN106681197B (en) * | 2015-11-11 | 2019-08-16 | 中车大连电力牵引研发中心有限公司 | Electric locomotive traction controller state feedback device and system |
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