CN104377688A - Power control system and train control device - Google Patents
Power control system and train control device Download PDFInfo
- Publication number
- CN104377688A CN104377688A CN201410634829.7A CN201410634829A CN104377688A CN 104377688 A CN104377688 A CN 104377688A CN 201410634829 A CN201410634829 A CN 201410634829A CN 104377688 A CN104377688 A CN 104377688A
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- Prior art keywords
- control system
- module
- power control
- load end
- end module
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
- H02J1/102—Parallel operation of dc sources being switching converters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a power control system and a train control device and belongs to the electrical technical field. The power control system solves the problem that in the prior art, the cost of a power control system is too high. The power control system comprises an input end module and an intermediate bus connected with the input end module, wherein the input end module is used for converting the input voltage of an external power supply into the intermediate voltage on the intermediate bus. The power control system can be applied to train control devices and other places.
Description
Technical field
The present invention relates to technical field of electricity, specifically, relate to a kind of power control system and Train Control equipment.
Background technology
In the scenes such as Train Control equipment, the supply power voltage needed for each functional cards realizing difference in functionality is not identical yet, so need power control system can provide the output voltage of multiple grade respectively for different loads.
As shown in Figure 1, external power source (being generally 110V direct current) input power plate 10, the 110V voltage transition of external power source is the multiple-channel output voltages such as 24V, 15V, 5V to existing power control system by power panel 10.Each road output voltage that power panel 10 exports is connected to backboard 20 by connector, then by connector, each road output voltage is supplied to corresponding functional cards 30.
The present inventor is realizing finding in process of the present invention, at least there is following problem in prior art: in prior art, voltage needed for all loads (functional cards) provides by power panel, when the input voltage of external power source changes, or when the output voltage needed for arbitrary load changes, all need to redesign new power panel, cause the high cost of power control system.
Summary of the invention
The object of the present invention is to provide a kind of power control system and Train Control equipment, to solve the problem of the high cost of power control system in prior art.
The invention provides a kind of power control system, comprise input module, with the centre bus of described input model calling;
Described input module is for being transformed to the intermediate voltage on described centre bus by the input voltage of external power source.
Further, this power control system also comprises at least one the load end module be connected with described centre bus;
Arbitrary described load end module is used for described intermediate voltage to be transformed to the output voltage being applicable to respective load.
Preferably, described centre bus is arranged on backboard;
Described load is functional cards, and arbitrary described load end module installation is on corresponding functional cards.
Or described input module, described centre bus and load end module installation described in each are on veneer;
Described load is functional cards, and arbitrary described load end module is connected with corresponding functional cards by backboard.
Further, this power control system also comprises the filtration module be arranged between described external power source and described input module.
Preferably, described input module is isolated DC-DC converter, and described load end module is DC-DC converter.
Further, this power control system also comprises control module and supplementary module;
Described control module is used for controlling described input module and each described load end module.
Described supplementary module is used for providing accessory power supply for described control module.
Preferably, the size of described intermediate voltage is 24V or 12V.
Preferably, described output voltage is ± 24V, ± 15V or 5V.
The present invention also provides a kind of Train Control equipment, and this Train Control equipment comprises above-mentioned power control system.
Present invention offers following beneficial effect: in power control system provided by the invention, first by input module, first time conversion is carried out to the input voltage of external power source, form the intermediate voltage on centre bus, carry out second time by each load end module to intermediate voltage again to convert, for corresponding load provides the output voltage varied in size respectively.When the voltage of external power source changes, the input module that only need more renew, still can produce original intermediate voltage; When the output voltage needed for a certain load changes, or when increasing new load, only need change or increase corresponding load end module, the demand of new load to output voltage can be met.Therefore, use power control system provided by the invention, when input voltage or output voltage change, only need change or increase a module, thus reduce the cost of power control system.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, accompanying drawing required in describing is done simple introduction below to embodiment:
Fig. 1 is the schematic diagram of existing power control system;
Fig. 2 is the schematic diagram of the power control system that the embodiment of the present invention provides;
Fig. 3 is the schematic diagram of the embodiment of the power control system that the embodiment of the present invention one provides;
Fig. 4 is the schematic diagram of the embodiment of the power control system that the embodiment of the present invention two provides;
Fig. 5 is the schematic diagram of the embodiment of the power control system that the embodiment of the present invention three provides.
Embodiment
Describe embodiments of the present invention in detail below with reference to drawings and Examples, to the present invention, how application technology means solve technical problem whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.It should be noted that, only otherwise form conflict, each embodiment in the present invention and each feature in each embodiment can be combined with each other, and the technical scheme formed is all within protection scope of the present invention.
As shown in Figure 2, the embodiment of the present invention provides a kind of power control system, can be applicable in the scenes such as Train Control equipment.This power control system comprises input module 1, the centre bus 2 be connected with input module 1, at least two load end modules 3 being connected with centre bus 2.Input module 1 is for being transformed to the intermediate voltage on centre bus 2 by the input voltage of external power source, arbitrary load end module 3 is for being transformed to the output voltage being applicable to respective load by intermediate voltage.
In the power control system that the embodiment of the present invention provides, first carry out first time conversion by the input voltage of input module 1 pair of external power source, form the intermediate voltage on centre bus 2, carry out second time by each load end module 3 pairs of intermediate voltages again to convert, for corresponding load provides the output voltage varied in size respectively.When the voltage of external power source changes, the input module 1 that only need more renew, still can produce original intermediate voltage; When the output voltage needed for a certain load changes, or when increasing new load, only need change or increase corresponding load end module 3, the demand of new load to output voltage can be met.Therefore, use the power control system that the embodiment of the present invention provides, when input voltage or output voltage change, only need change or increase a module, thus reduce the cost of power control system.
embodiment one:
As shown in Figure 3, the power control system that the present embodiment provides comprises input module 1, centre bus 2, and centre bus is arranged on backboard 4.
Further, the filtration module 6 be arranged between external power source and input module 1 is also comprised in the power control system that the present embodiment provides.
The 110V input voltage module 6 first after filtering of external power source, carries out electromagnetic interference (EMI) filtering to this input voltage, and realizes the functions such as anti-reverse, protecting against shock.
Input module 1 is preferably isolated DC-direct current (DC-DC) converter, carries out first time conversion, form intermediate voltage, and input to the centre bus 2 on backboard 4 110V input voltage.In the present embodiment, the size of intermediate voltage can be 24V.In other embodiments, the size of intermediate voltage also can choose other value, such as 12V etc.
In this power control system, the functional cards 5 that can further include at least one load end module 3, Fig. 3 is load, and arbitrary load end module 3 is arranged on corresponding functional cards 5.Each load end module 3 is preferably DC-to-DC (DC-DC) converter, carries out second time conversion to intermediate voltage.Concrete, load end module 3 is according to the demand of corresponding functional cards 5, intermediate voltage is transformed to specific output voltage, both intermediate voltage can be changed to positive voltage, also the output voltage that load end module 3 exports intermediate voltage can be changed into negative voltage, so can be ± 24V, ± 15V, 5V etc.
The number of load end module 3 and output voltage can arbitrary dispositions.If the voltage needed for certain functional cards just in time equals intermediate voltage, such as, the 3rd functional cards in Fig. 3, then this functional cards can not arrange load end module, and directly by centre bus for it is powered.If only need for this functional cards is powered in this power control system, then this power control system can only be made up of input module and centre bus, and does not comprise load end module.
When the voltage of external power source changes, when such as becoming 220V, the input module 1 that only need more renew, can change the input voltage of 220V into 24V, can produce original intermediate voltage, and does not need to change load end module 3; When the output voltage needed for a certain functional cards 5 changes, or when increasing new functional cards 5, only need change or increase corresponding load end module 3, the intermediate voltage of 24V can be changed into the output voltage needed for new functional cards 5.
Therefore, use the power control system that the embodiment of the present invention provides, when input voltage or output voltage change, only need change or increase a module (input module or load end module), thus reduce the cost of power control system.And, adopt an input module and multiple load end module to carry out spread voltage conversion in the present embodiment, compared to prior art, the heater members in power control system disperses more, be conducive to the heat radiation of power control system, improve the reliability of power control system.
In addition, as shown in Figure 1, in prior art, each road output voltage that power panel 10 exports first is connected to backboard 20 by first connector, then by second connector, each road output voltage is supplied to corresponding functional cards 30.Need through two connectors between each functional cards 30 and power panel 10, because connector has higher contact resistance, so cause the line loss of output voltage comparatively large, affect the dynamic property of output voltage and the gross efficiency of power control system.In addition, in prior art, same road output voltage is that multiple functional cards 30 is powered, and also can cause influencing each other between these functional cards 30, and the power quality of functional cards 30 is reduced.
In the present embodiment, centre bus is adopted to be connected between input module and load end module, and by load end module installation on functional cards, reduce the loss on delivery of electrical energy path, improve the dynamic property of output voltage and the gross efficiency of power control system, and each load end module only for a functional cards provides output voltage, it also avoid between functional cards and influences each other, improve power quality.
Further, control module 7 and supplementary module 8 is also provided with in the power control system that the embodiment of the present invention provides.Wherein, supplementary module 8 is for providing accessory power supply for control module 7.Control module 7, for carrying out communication, control to input module 1 and each load end module 2, realizes various defencive function, and feeds back various information to host computer (not shown).
embodiment two:
The present embodiment is substantially identical with embodiment one, as shown in Figure 4, its difference is, in the present embodiment, filtration module 6, input module 1, centre bus 2 and each load end module 3 are arranged on veneer 9, and arbitrary load end module 3 is connected with corresponding functional cards 5 by backboard 4.
Compared with the power control system provided in embodiment one, in the present embodiment, filtration module 6, input module 1, centre bus 2 and each load end module 3 are all arranged on a veneer 9, can be better compatible with existing centralized power supply system, and also more flexible for the exploitation of power control system.
embodiment three:
The power control system that the present embodiment provides is the further improvement carried out on the basis of embodiment one.As shown in Figure 5, two input modules 1 and two centre bus 2 are provided with in this power control system.110V input voltage is transformed to 24V intermediate voltage by one of them input module, and 110V input voltage is transformed to-24V intermediate voltage by another input module, makes the intermediate voltage on two centre bus be respectively 24V and-24V.
In the present embodiment, the output voltage of each load end module be connected with two centre bus all can be arranged as required flexibly, article two, centre bus enables each load end module more easily centre bus be changed into output voltage needed for load, also further reduce influencing each other between functional cards, improve power quality.
embodiment four:
The embodiment of the present invention provides a kind of Train Control equipment, and this Train Control equipment comprises any one power control system that above-described embodiment provides.
The Train Control equipment that the embodiment of the present invention provides, the technical characteristic specifically identical with the power control system that above-described embodiment provides, so also can solve identical technical problem, reaches identical technique effect.
Although execution mode disclosed in this invention is as above, the execution mode that described content just adopts for the ease of understanding the present invention, and be not used to limit the present invention.Technical staff in any the technical field of the invention; under the prerequisite not departing from spirit and scope disclosed in this invention; any amendment and change can be done what implement in form and in details; but scope of patent protection of the present invention, the scope that still must define with appending claims is as the criterion.
Claims (10)
1. a power control system, is characterized in that, comprise input module, with the centre bus of described input model calling;
Described input module is for being transformed to the intermediate voltage on described centre bus by the input voltage of external power source.
2. power control system as claimed in claim 1, is characterized in that, also comprise at least one the load end module be connected with described centre bus;
Arbitrary described load end module is used for described intermediate voltage to be transformed to the output voltage being applicable to respective load.
3. power control system as claimed in claim 2, it is characterized in that, described centre bus is arranged on backboard;
Described load is functional cards, and arbitrary described load end module installation is on corresponding functional cards.
4. power control system as claimed in claim 2, it is characterized in that, described input module, described centre bus and load end module installation described in each are on veneer;
Described load is functional cards, and arbitrary described load end module is connected with corresponding functional cards by backboard.
5. the power control system as described in any one of Claims 1-4, is characterized in that, also comprises the filtration module be arranged between described external power source and described input module.
6. the power control system as described in any one of claim 1 to 5, is characterized in that, described input module is isolated DC-DC converter, and described load end module is DC-DC converter.
7. the power control system as described in any one of claim 1 to 6, is characterized in that, also comprises control module and supplementary module;
Described control module is used for controlling described input module and each described load end module;
Described supplementary module is used for providing accessory power supply for described control module.
8. the power control system as described in any one of claim 1 to 7, is characterized in that, the size of described intermediate voltage is 24V or 12V.
9. the power control system as described in any one of claim 1 to 8, is characterized in that, described output voltage is ± 24V, ± 15V or 5V.
10. a Train Control equipment, is characterized in that, comprises the power control system as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410634829.7A CN104377688A (en) | 2014-11-12 | 2014-11-12 | Power control system and train control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410634829.7A CN104377688A (en) | 2014-11-12 | 2014-11-12 | Power control system and train control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104377688A true CN104377688A (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410634829.7A Pending CN104377688A (en) | 2014-11-12 | 2014-11-12 | Power control system and train control device |
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| CN (1) | CN104377688A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1459906A (en) * | 2002-05-22 | 2003-12-03 | 上海贝尔有限公司 | New distribution type power supply system |
| CN1538806A (en) * | 2003-03-26 | 2004-10-20 | 朗迅科技公司 | Reliable board mounted power module |
| CN1711674A (en) * | 2002-11-11 | 2005-12-21 | 国际整流器公司 | Two stage power conversion circuit |
| CN103493323A (en) * | 2011-04-20 | 2014-01-01 | 瑞典爱立信有限公司 | Control of dynamic bus voltage in an intermediate bus architecture power system |
-
2014
- 2014-11-12 CN CN201410634829.7A patent/CN104377688A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1459906A (en) * | 2002-05-22 | 2003-12-03 | 上海贝尔有限公司 | New distribution type power supply system |
| CN1711674A (en) * | 2002-11-11 | 2005-12-21 | 国际整流器公司 | Two stage power conversion circuit |
| CN1538806A (en) * | 2003-03-26 | 2004-10-20 | 朗迅科技公司 | Reliable board mounted power module |
| CN103493323A (en) * | 2011-04-20 | 2014-01-01 | 瑞典爱立信有限公司 | Control of dynamic bus voltage in an intermediate bus architecture power system |
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Application publication date: 20150225 |