CN204392086U - A railway locomotive tailored version integrated power supply converter - Google Patents
A railway locomotive tailored version integrated power supply converter Download PDFInfo
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- CN204392086U CN204392086U CN201520040826.0U CN201520040826U CN204392086U CN 204392086 U CN204392086 U CN 204392086U CN 201520040826 U CN201520040826 U CN 201520040826U CN 204392086 U CN204392086 U CN 204392086U
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Abstract
A railway locomotive tailored version integrated power supply converter, this supply convertor limits surge circuit, DC filtering circuit, DC/DC translation circuit and output filter circuit to connect successively by input filter circuit, input protection circuit, input, input filter circuit is for removing direct current entrance spike interference filter, it comprises: surge absorbing circuit, surge absorbing circuit is made up of resistance R6-R9 and discharge tube V6-V12, maximumly bears 10kV surge voltage; Input protection circuit is made up of rectifier bridge V1; Input limit surge circuit is made up of resistance R1, R2 and optocoupler V2, controllable silicon V3, diode V4; DC filtering circuit is made up of filter capacitor C1, C2 and resistance R3; DC/DC translation circuit converts chip D1 by DC/DC and peripheral components forms; Output filter circuit is made up of filtering outputting inductance L2, output filter capacitor C10, C11.The utility model solves in traditional design and adopts separate piece design, and integrated level is not high, and Electro Magnetic Compatibility is poor, the low and low shortcoming of reliability of power, and simple circuit reliability is high, and cost performance is high, long service life.
Description
Technical field
The utility model discloses a railway locomotive tailored version integrated power supply converter, specifically a kind of electric power system being applicable to the equipment such as constant power of locomotive experimental bench and railway locomotive vehicle mounted communication, control.
Background technology
The input energetically to railway systems along with China's rapid development of economy and country, railway locomotive and relevant corollary equipment were obtaining development at full speed in recent years, and railway locomotive tailored version supply convertor becomes the requisite important auxiliary products of China railways industry gradually.
Traditional railway locomotive power supply adopts separate piece design usually, and ubiquity integrated level is not high, and Electro Magnetic Compatibility is poor, the shortcoming such as the low and reliability of power is low.
Utility model content
A railway locomotive tailored version integrated power supply converter that the utility model designs to solve the problems of the technologies described above just
The utility model solves the technical scheme that its technical problem adopts:
A railway locomotive tailored version integrated power supply converter, it is characterized in that: this supply convertor limits surge circuit, DC filtering circuit, DC/DC translation circuit and output filter circuit to connect successively by input filter circuit, input protection circuit, input, input filter circuit is for removing direct current entrance spike interference filter, it comprises: surge absorbing circuit, surge absorbing circuit is made up of resistance R6-R9 and discharge tube V6-V12, maximumly bears 10kV surge voltage; Input protection circuit is made up of rectifier bridge V1, and input limit surge circuit is made up of resistance R1, R2 and optocoupler V2, controllable silicon V3, diode V4; DC filtering circuit is made up of filter capacitor C1, C2 and resistance R3; DC/DC translation circuit converts chip D1 by DC/DC and peripheral components forms; Output filter circuit is made up of filtering outputting inductance L2, output filter capacitor C10, C11.
This supply convertor have employed integrative packaging structure, makes the operating state that still can maintain a long-term stability under the rigor condition such as humidity, vibratory impulse, corrosion and mould.
Adopt high-performance, high life and high reliability import DC/DC conversion module as main power conversion unit; this modular unit is inner by PWM control, DC/DC conversion, output overvoltage, overcurrent and short-circuit protection circuit thin consolidation together; after periphery increases parallel current-equalizing circuit, the redundancy that can realize multiple converter uses.
For strengthening converter Electro Magnetic Compatibility, have employed cavity-separating design in this supply convertor assembled inside process, mains input side, outlet side and main power conversion part are effectively isolated.(as shown in Figure 2 dotted portion).
Input protection circuit have employed full-bridge device.Make circuit more reliable, impact resistance is stronger.
Described a railway locomotive tailored version integrated power supply converter, can meet railway locomotive universal input standard, input range can meet the demands such as DC66-160V and DC90-180V, in this input voltage range, all can effectively provide corresponding power supply, ensure that circuit normally works.
Described a railway locomotive tailored version integrated power supply converter, modularized design effectively improves on overall efficiency to 90%.Simple circuit reliability is high, the advantage that cost performance is high, substantially increases the useful life of device.
beneficial effect
1. function admirable, can meet the demands such as DC66-160V and DC90-180V.
The utility model patent, for several shortcomings of traditional conventional power source input range, has carried out brand-new design and perfect.Thus effectively improve the input range of power supply, in the wide input voltage range of pole, all can effectively provide corresponding power supply, ensure that circuit normally works.
2. simple circuit, working stability.
The utility model patent adopt high-performance, high life and high reliability import DC/DC conversion module as main power conversion unit; this modular unit is inner by thin consolidation such as PWM control, DC/DC conversion, output overvoltage, overcurrent and short-circuit protection circuits together; if demand after periphery increases parallel current-equalizing circuit, the redundancy that can realize multiple converter uses.
3. Electro Magnetic Compatibility is strong, applied widely.
The utility model has very strong Electro Magnetic Compatibility feature, by adopting cavity-separating design, can effectively reduce between the inner each several part circuit of converter and the impact of mutual electromagnetic interference between converter and external equipment.This has just widened the occasion of its application greatly.
Accompanying drawing explanation
Fig. 1 is railway locomotive tailored version integrated power supply converter principle block diagram;
Fig. 2 is railway locomotive tailored version integrated power supply converter principle figure;
Fig. 3 is railway locomotive tailored version integrated power supply converter parallel current-sharing schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1, a railway locomotive tailored version integrated power supply converter, this supply convertor limits surge circuit, DC filtering circuit, DC/DC translation circuit and output filter circuit to connect successively by input filter circuit, input protection circuit, input, input filter circuit is for removing direct current entrance spike interference filter, the input limit surge circuit that resistance R6-R9 and discharge tube V6-V12 form has lightning surge inhibitory action, maximumly bears 10kV surge voltage; Rectifier bridge V1 is as input polarity protection, and have employed full-bridge device, input limit surge circuit is made up of resistance R1, R2 and optocoupler V2, controllable silicon V3, diode V4, effectively completes the restriction to inrush current during power initiation by the cooperation of thermistor and controllable silicon components and parts; Input direct voltage through filter capacitor C1, C2 and resistance R3 for late-class circuit provides lasting reliable direct voltage; Prime direct voltage is that required low-voltage dc voltage and energy transferring are to rear class through high frequency switching converter by the translation circuit of DC/DC conversion module and peripheral components composition; Final after filtering outputting inductance L2, output filter capacitor C10, C11 for successive load provides stable power-supplying.Owing to which employs integrative packaging structure, make the operating state that still can maintain a long-term stability under the rigor condition such as humidity, vibratory impulse, corrosion and mould.
Described a railway locomotive tailored version integrated power supply converter, can meet railway locomotive universal input standard, input range can meet the demands such as DC66-160V and DC90-180V, in this input voltage range, all can effectively provide corresponding power supply, ensure that circuit normally works.
Described a railway locomotive tailored version integrated power supply converter, modularized design effectively improves on overall efficiency to 90%.Simple circuit reliability is high, the advantage that cost performance is high, substantially increases the useful life of device.
The utility model not only may be used for railway locomotive equipment single channel output circuit (as shown in Figure 1), and if needed after periphery increases parallel current-equalizing circuit (as shown in Figure 3), the redundancy that also can realize multiple converter uses.
The utility model patent is not limited to above-mentioned preferred forms, anyone other any or akin products identical with the utility model drawn under enlightenment of the present utility model, all drops within protection range of the present utility model.
Claims (3)
1. a railway locomotive tailored version integrated power supply converter, it is characterized in that: this supply convertor limits surge circuit, DC filtering circuit, DC/DC translation circuit and output filter circuit to connect successively by input filter circuit, input protection circuit, input, input filter circuit is for removing direct current entrance spike interference filter, it comprises: surge absorbing circuit, surge absorbing circuit is made up of resistance R6-R9 and discharge tube V6-V12, maximumly bears 10kV surge voltage; Input protection circuit is made up of rectifier bridge V1; Input limit surge circuit is made up of resistance R1, R2 and optocoupler V2, controllable silicon V3, diode V4; DC filtering circuit is made up of filter capacitor C1, C2 and resistance R3; DC/DC translation circuit converts chip D1 by DC/DC and peripheral components forms; Output filter circuit is made up of filtering outputting inductance L2, output filter capacitor C10, C11.
2. a railway locomotive tailored version integrated power supply converter according to claim 1, is characterized in that: this supply convertor have employed integrative packaging structure.
3. a railway locomotive tailored version integrated power supply converter according to claim 1, is characterized in that: input protection circuit have employed full-bridge device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520040826.0U CN204392086U (en) | 2015-01-21 | 2015-01-21 | A railway locomotive tailored version integrated power supply converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520040826.0U CN204392086U (en) | 2015-01-21 | 2015-01-21 | A railway locomotive tailored version integrated power supply converter |
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| Publication Number | Publication Date |
|---|---|
| CN204392086U true CN204392086U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520040826.0U Active CN204392086U (en) | 2015-01-21 | 2015-01-21 | A railway locomotive tailored version integrated power supply converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901560A (en) * | 2015-06-24 | 2015-09-09 | 航天长峰朝阳电源有限公司 | High-frequency switch power supply converter employing magnetic amplification technology |
-
2015
- 2015-01-21 CN CN201520040826.0U patent/CN204392086U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901560A (en) * | 2015-06-24 | 2015-09-09 | 航天长峰朝阳电源有限公司 | High-frequency switch power supply converter employing magnetic amplification technology |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |