CN205853893U - The secondary power system of rail vehicle - Google Patents
The secondary power system of rail vehicle Download PDFInfo
- Publication number
- CN205853893U CN205853893U CN201620819645.2U CN201620819645U CN205853893U CN 205853893 U CN205853893 U CN 205853893U CN 201620819645 U CN201620819645 U CN 201620819645U CN 205853893 U CN205853893 U CN 205853893U
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- Prior art keywords
- power
- power bus
- bus
- compartment
- power supply
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Abstract
The utility model proposes a kind of secondary power system for rail vehicle, including: the first power bus and the second power bus (BUS3, BUS4), described rail vehicle has at least two compartment (Cx), and the load (Lmn) in each described compartment is connected respectively on described first and second power bus (BUS3, BUS4)；At least two accessory power supply (APSx), each accessory power supply (APSx) is positioned at a compartment, and be connectable at least one of described first and second power bus (BUS3, BUS4) so that connecting on each power bus has at least one accessory power supply.
Description
Technical field
This utility model relates in general to rail vehicle, particularly relates to the secondary power system used on a kind of rail vehicle.
Background technology
Along with the fast development of Re-search on Urbanization, the ramping of urban population, intercity, urban track traffic is because of its efficiency
The factors such as bearing capacity high, passenger is strong and effect on environment is little and progressively become the important vehicles of town dweller.Intercity,
Urban track traffic has developed into employing power-actuated rail vehicle, such as inter-city train, subway, subway and light rail
Deng.Pantograph (being connected to contact net) or collector shoe that typical power-actuated rail vehicle can be equipped with by self (connect
Receive the 3rd power rail) obtain electric energy from outside vehicle.Generally being equipped with two class power-supply systems at track vehicle interior, one is
Realizing traction and the traction power source of braking, it two be the secondary power system for powering to such as HVAC system (HVAC) etc..
The two power-supply system the electric energy obtained from outside vehicle is converted to vehicle interior can form, in order to respectively to traction control
System and HVAC system power supply.
In order to ensure safety and the comfort level of passenger in the compartment of rail vehicle, typically require the auxiliary powered for HVAC
Power-supply system is reliable, and can power and have certain redundancy protecting ability continuously.To achieve it, in prior art
Propose a kind of secondary power system 100 with backup battery, as shown in Figure 1.In FIG, the load Lx in rail vehicle
(x=1～n) is connected on a power bus BUS1, and such as this power bus BUS1 includes three supply lines (AC three-phase).
One or several blower fan, the lighting installed in e.g. one compartment of each load maybe can connect the electricity of other electric equipments
Device jack system.In the example in fig 1, an accessory power supply APS1 (APS:Auxiliary Power Supply) is connected to this
On power bus BUS1, for powering for each load Lx in rail vehicle.Meanwhile, another standby accessory power supply
APS2 is connected on this power bus BUS1 through a switch module SW0.When normally working, switch module SW0 disconnects, such as Fig. 1
Shown in, each load Lx in compartment is powered by APS1.When APS1 breaks down, switch module SW0 turns on so that APS2 is even
Receive on power bus and start to provide electric energy for each load.Scheme shown in Fig. 1 is by increasing an independent backup electricity
Source ensures the sustainability of power-supply system.Scheme shown in Fig. 1 can also utilize the energy storage devices such as such as capacitor to realize
Seamless switching between active and standby accessory power supply.
Fig. 2 schematically illustrates existing another kind of secondary power system 200.As in figure 2 it is shown, on power bus BUS2
There are load Lx, x=1～n same connection.Unlike Fig. 1, in fig. 2, three the accessory power supply APSx, x that capacity is relatively small
=1～3.These accessory power supplys APSx is connected on power bus parallel to each other, thus forms parallel power supply topology knot
Structure.When normally working, each APSx being connected on power bus BUS2 powers for each load Lx jointly.Each APSx institute
The load capacity undertaken is determined by the bearing capacity of each APSx, also by the power supply control strategy decision of each APSx.Such as, if
APS1Breaking down, other APSx (x=2～3) can be still that each load Lx, x=1～n power, and whole system is protected
Hold and continue to run with, without interrupting, thus realize fault ride-through and run.But, because the number of the APSx of work is reduced to 2
Individual, the bearing capacity of whole system is restricted, and fractional load can not obtain electric energy needed for running at full capacity.This parallel
Power supply topological structure is particularly well-suited to the city railway vehicle of some joint compartments marshalling, because an appearance can be installed in each compartment
Measure less accessory power supply.
Utility model content
A purpose of the present utility model is to provide the novel secondary power system used in a kind of rail vehicle, its energy
Enough more efficiently for load offer electric energy.Another purpose of the present utility model is to provide use in a kind of rail vehicle
Novel secondary power system, it can continue to keep auxiliary electricity after certain power bus occurs the catastrophe failure of such as phase fault
The operation of origin system.Another purpose of the present utility model is to provide the novel accessory power supply system used in a kind of rail vehicle
System, it can use lower-cost accessory power supply.
According to an aspect of the present utility model, the utility model proposes a kind of accessory power supply system for rail vehicle
System, this system includes: the first power bus and the second power bus, and described rail vehicle has at least two compartment, Mei Gesuo
State the load in compartment to be connected respectively on described first and second power bus；At least two accessory power supply, each auxiliary electricity
Source is positioned at a compartment, and is connectable at least one of described first and second power bus so that each power supply
Connect in bus and have at least one accessory power supply.Preferably, described load is outside heating ventilation air-conditioning system, illuminator maybe can connect
The electrical outlets of portion's electrical equipment.Described rail vehicle is city railway vehicle, such as subway, subway, light rail etc..
In this secondary power system, the load in each accessory power supply and each compartment can be connected respectively to two power supplies
In bus.Load in each compartment can obtain electric respectively from two power bus.If any one power bus occurs
Fault, then be connected to the load on another power bus and can also obtain electric from this another power bus, thus ensure one
In compartment, at least partly load is the most properly functioning.
Preferably, in accessory power supply at least one accessory power supply can be used to selectively connect to described first power bus and
On at least one of second power bus.Preferably, it is connected to two switch modules of at least one accessory power supply described, described
The other end of two switch modules is connected respectively on described first power bus and the second power bus.Owing to accessory power supply can
To be selectively connected thereto arbitrary in two power bus or to be simultaneously connected to two power bus, thus when one of them is powered
During bus failure, accessory power supply can be switched on another power bus continue to provide electric energy.This mode is so that fault
After the load capacity that can operate increased.
It is further preferable that described rail vehicle includes that at least one compartment group, each compartment group include three cars of cascade
Railway carriage or compartment, the load in described three compartments is connected respectively on described first power bus and the second power bus.Particularly preferably, institute
State secondary power system and include three accessory power supplys, and at least interior accessory power supply arranged of middle compartment can be selectively connected thereto
Arbitrary in first and second power bus.It is further preferable that secondary power system also includes: the first switch module, it is connected to
Between the accessory power supply and the first power bus that arrange in described middle compartment；Second switch assembly, is connected to described middle car
Between the accessory power supply and the second power bus that arrange in railway carriage or compartment.
With three joint compartments be a marshalling to arrange power bus and accessory power supply, can utilize maximally efficiently auxiliary electricity
Source.When normally working, the load in each compartment born jointly by three accessory power supplys.When a power bus fault, another root
Two accessory power supplys can be had on power bus jointly to bear load.So, substantially can also have after fault when normally working
The accessory power supply of 2/3 is powered.
It is further preferable that the similar load in each described compartment can be attached partially on the first power bus, another portion
Divide and be connected on the second power bus.Such that make a power bus break down, in compartment, at least fractional load is permissible
Work, this can keep the such as part such as HVAC system, illuminator to run to a certain extent.
Hereafter by the way of the most understandable, accompanying drawings preferred embodiment, above-mentioned characteristic, the skill to switching device
Art feature, advantage and implementation thereof are further described.
Accompanying drawing explanation
This utility model is only schematically illustrated and explains by the following drawings, does not limit scope of the present utility model.
Fig. 1 shows a kind of typical topology of secondary power system in existing rail vehicle.
Fig. 2 shows the another kind of topological structure of secondary power system in existing rail vehicle.
Fig. 3 shows the topological structure of the secondary power system according to one embodiment of this utility model.
Detailed description of the invention
In order to be more clearly understood from the technical characteristic of utility model, purpose and effect, now comparison accompanying drawing explanation is originally
The detailed description of the invention of utility model, the most identical label represents that structure is identical or structure is similar but portion that function is identical
Part.
In this article, " schematically " expression " serves as example, example or explanation ", " should not show being described herein as
Meaning property " any diagram, embodiment be construed to a kind of preferred or more advantage technical scheme.
For making simplified form, only schematically show the part relevant to this utility model in each figure, they are not
Represent its practical structures as product.It addition, for making simplified form readily appreciate, some figure has identical structure or merit
The parts of energy, only symbolically depict one of them, or have only marked one of them.
In this article, " one " not only represents " only this ", it is also possible to represent the situation of " more than one ".It addition,
Herein, " first ", " second " etc. are only used for differentiation each other, rather than represent their significance level and order etc..
Fig. 3 illustrates the structure of the secondary power system 300 for rail vehicle according to one embodiment of this utility model.
In the example in figure 3, rail vehicle such as has 3 joint compartment C1, C2 and C3.In actual applications, rail vehicle can have
6 joint marshallings common at least two joint compartments, such as subway, subway or light rail or 8 joint marshallings.Preferably, rail vehicle has
Multiple compartments group, each compartment group has the compartment of three assistant warden connection as shown in the example of fig. 3.
Secondary power system 300 in Fig. 3 includes: two power bus, the i.e. first power bus BUS3 and second power supply
Bus B US4, and the accessory power supply APSx, x=1～3 being connected on power bus.Often the load in joint compartment can be distinguished
It is connected on two power bus.In the example in figure 3, it is total that the accessory power supply APS1 being positioned in compartment C1 is connected to the first power supply
On line BUS3, the accessory power supply APS3 being positioned in compartment C3 is connected on the second power bus BUS4.Alternatively, compartment C2 it is positioned at
In accessory power supply APS2 may be coupled on arbitrary in two power bus.So, a power bus there are 2
APS, another power bus has an APS, thus all has APS to power on each power bus.Such that make a power supply
There is such as phase fault in bus, the APS on another root power bus can also maintain part fractional load properly functioning.
The accessory power supply APS2 being preferably located in compartment C2 can be used to selectively connect to via switch module SW1 and SW2
On at least one of first and second power bus BUS3 and BUS4.When normally working, switch module SW1 and SW2 closes, APS2
It is that two power bus BUS3 and BUS4 power simultaneously.So, on each power bus, the most more than one accessory power supply supplies
Electricity.When there is the bus failure of such as phase fault in one of two power bus (such as BUS3), APS2 can disconnect with
The switch module (such as SW1 disconnection) of fault bus, and (such as SW2 closes to keep the connection with another power bus (BUS4)
Close) and continue power supply, as shown in Figure 3.Thus, in the example in figure 3, when a power bus breaks down, another supplies
2 accessory power supplys can also be had to power in electricity bus.Which improves the load that can maintain when a bus failure to bear
Lotus.
In the example in figure 3, (m=1～3 represents compartment, and n represents compartment often to save the load Lmn in compartment in rail vehicle
Interior load) can be connected respectively on this power bus BUS3 and power bus BUS4.Such as, the load L11 in compartment C1
It is connected to BUS3 with L12, and loads L13 and L14 and be connected to power bus BUS4.Such that make a power bus (such as
BUS3) breaking down, the fractional load (L13 and L14) in each compartment can also be because being connected to another confession normally worked
Electricity bus (BUS4) and remained in operation.
It is further preferable that the similar load in each compartment can be attached partially to the first power bus BUS3, another portion
Divide and be connected on the second power bus.Such as, as a example by the first compartment C1, load L12 and load L14 can be HVAC class and bear
Carry, such as the blower fan in HVAC.Load L12 can be such as blower fan on the left of compartment, and L14 can be such as blower fan on the right side of compartment.
So, if power bus BUS3 breaks down and cuts off power supply, then the load L12 being connected on BUS3 quits work, but this
Time the load L14 that is connected on power bus BUS4 can also work, thus keep HVAC system portion in compartment to a certain extent
Partite transport row, provides a home from home for passenger.
In the example in figure 3, APS2 can be used to selectively connect to two power bus BUS3 and BUS4 by switch module
On at least one of.The structure identical with APS2 can also be configured to if it is required, arbitrary in APS1 with APS3.It is to say,
Three APSx, x=1～3 each can be used to selectively connect to arbitrary in two power bus.So, exist
When two power bus the most normally work, three APS are jointly for the load supplying being connected on two power bus.Three APS
All carry on a shoulder pole these loads, it is also possible to capacity and control strategy according to respective APS differentially share these loads.When a power supply
During bus (such as BUS3) fault, three APS can simultaneously switch off the connection with BUS3, and keeps the connection with BUS4.So,
It is still that three APS bear the load being connected to BUS4, thus drives load capacity higher.
Alternatively, two or more APS can be configured with in each compartment.Each APS can optionally connect
Receive on one or two power bus.Due to the load supplying using at least two APS to be a compartment, each APS is permissible
Select capacity relatively low and lower-cost APS.
It is to be understood that, although this specification describes according to each embodiment, but the most each embodiment only comprises one
Individual independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should will say
Bright book can also form those skilled in the art permissible through appropriately combined as an entirety, the technical scheme in each embodiment
Other embodiments understood.
The a series of detailed description of those listed above is only for the concrete of possible embodiments of the present utility model
Illustrating, they are also not used to limit protection domain of the present utility model, all without departing from this utility model skill spirit made etc.
Effect embodiment or change, as feature combination, split or repeat, within should be included in protection domain of the present utility model.
Claims (9)
1. the secondary power system for rail vehicle, it is characterised in that described secondary power system includes:
First power bus and the second power bus (BUS3, BUS4), described rail vehicle has at least two compartment (Cx), often
Load (Lmn) in individual described compartment is connected respectively on described first and second power bus (BUS3, BUS4)；
At least two accessory power supply (APSx), each accessory power supply (APSx) is positioned at a compartment, and is connectable to described
On at least one of first and second power bus (BUS3) so that connect on each power bus and have at least one auxiliary electricity
Source.
2. secondary power system as claimed in claim 1, it is characterised in that in described accessory power supply (APSx), at least one is auxiliary
Help power supply (APS2) can be used to selectively connect in described first power bus (BUS3) and the second power bus (BUS4) extremely
On one of few.
3. secondary power system as claimed in claim 2, it is characterised in that also include:
It is connected to two switch modules (SWx) of described at least one accessory power supply (APS2), said two switch module another
One end is connected respectively on described first power bus (BUS3) and the second power bus (BUS4).
4. secondary power system as claimed in claim 1, it is characterised in that described rail vehicle includes at least one compartment
Group, each compartment group includes three compartments (Cx, x=1～3) of cascade, and the load in described three compartments is connected respectively to described
On first power bus (BUS3) and the second power bus (BUS4).
5. secondary power system as claimed in claim 4, it is characterised in that described secondary power system includes three auxiliary electricity
Source (APSx), and the accessory power supply (APS2) at least arranged in middle compartment can be used to selectively connect to the first and second power supplies
Arbitrary in bus.
6. secondary power system as claimed in claim 5, it is characterised in that also include:
First switch module (SW1), the accessory power supply (APS2) arranged in being connected to described middle compartment and the first power bus
(BUS3) between；
Second switch assembly (SW2), the accessory power supply (APS2) arranged in being connected to described middle compartment and the second power bus
(BUS4) between.
7. secondary power system as claimed in claim 1, it is characterised in that of the similar load in described each compartment
Dividing and be connected on the first power bus (BUS3), another part is connected on the second power bus (BUS4).
8. secondary power system as claimed in claim 1, it is characterised in that described load is heating ventilation air-conditioning system, illumination system
System or can the socket of connecting circuit.
9. secondary power system as claimed in claim 1, it is characterised in that described rail vehicle is subway, subway or light rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620819645.2U CN205853893U (en) | 2016-07-29 | 2016-07-29 | The secondary power system of rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620819645.2U CN205853893U (en) | 2016-07-29 | 2016-07-29 | The secondary power system of rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205853893U true CN205853893U (en) | 2017-01-04 |
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ID=57653294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620819645.2U Expired - Fee Related CN205853893U (en) | 2016-07-29 | 2016-07-29 | The secondary power system of rail vehicle |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232509A (en) * | 2021-06-16 | 2021-08-10 | 中车株洲电力机车有限公司 | Rail transit vehicle and load power supply control circuit and method thereof under emergency working condition |
-
2016
- 2016-07-29 CN CN201620819645.2U patent/CN205853893U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232509A (en) * | 2021-06-16 | 2021-08-10 | 中车株洲电力机车有限公司 | Rail transit vehicle and load power supply control circuit and method thereof under emergency working condition |
| CN113232509B (en) * | 2021-06-16 | 2022-07-19 | 中车株洲电力机车有限公司 | Rail transit vehicle and load power supply control circuit and method thereof under emergency working condition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20210729 |
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| CF01 | Termination of patent right due to non-payment of annual fee |