CN207782682U - Railway locomotive Mobile inverse power source device - Google Patents
Railway locomotive Mobile inverse power source device Download PDFInfo
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- CN207782682U CN207782682U CN201820075836.1U CN201820075836U CN207782682U CN 207782682 U CN207782682 U CN 207782682U CN 201820075836 U CN201820075836 U CN 201820075836U CN 207782682 U CN207782682 U CN 207782682U
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Abstract
The utility model discloses a kind of railway locomotive Mobile inverse power source devices, it is characterised in that：Including control panel and main circuit；Further include rectangular body case comprising detachable front panel and integrally formed bottom plate, top plate, left plate, right plate and backboard；There is upper extension, the upper extension to be equipped with wall hanging mounting hole for the backboard upper end, and there is lower extension, the lower extension to be equipped with wall hanging and install fixing groove for the backboard lower end；The upper and lower ends of the left plate and the right plate are equipped with suspender belt fixing groove.Railway locomotive Mobile inverse power source device provided by the utility model, compact-sized, installation operation is conveniently, input direct-current voltage accommodation is wide, output AC voltage is reliable and stable, Electro Magnetic Compatibility is good, in the case where saving the larger filter inductance of occupied space, output AC voltage is close to ideal sine wave.
Description
Technical field
The utility model is related on a kind of railway locomotive Mobile inverse power source device more particularly to a kind of rail vehicles
The low pressure input dc power pressure very wide to variation range carries out the inverter power supply device of AC constant voltage inversion output.
Background technology
Household electricity device such as heater on the vehicle of railway locomotive driver and conductor, micro-wave oven, cooker, refrigerator etc. are usual with us
Household electrical appliance it is the same, nominal parameter is also 220V/50Hz, and the requirement to power supply capacity is usually in 5000VA or so.
The power supply being capable of providing on railway locomotive is usually direct current rather than the power frequency electric of 220V, for example, direct current 74V or
Direct current 110V, and influenced by railway locomotive operating condition, there is wider voltage change range.
Free space on railway locomotive is relatively small, there is very high requirement, outer power-up to the volume of additional power source equipment
Source device should be as small and exquisite as possible.
The power supply that above-mentioned household electrical appliance power supply needs can be met on railway locomotive and want resistance to due to being operated on railway locomotive
By long-term strong mechanical shock and vibration, to undergo various electric appliances closures with it is higher in the electromagnetic interference and locomotive cut-off
Temperature influences.
In view of these above-mentioned factors, the household electricity power supply for railway locomotive driver and conductor research and development should be using on vehicle
DC power supply, by inversion, voltage stabilizing, be filtered generate steady 220V/50Hz alternating current, to adapt to household electricity device
Power reguirements, which wants small, installation operation is easy, it is sturdy and durable, have vibration resistance, impact resistance, electromagnetic compatibility good
Etc. characteristics.Therefore, a kind of railway locomotive Mobile inverse power source device is urgently researched and developed.
Utility model content
According to technical problem set forth above, and provide a kind of railway locomotive Mobile inverse power source device.The utility model
The technological means of use is as follows：
A kind of railway locomotive Mobile inverse power source device, including control panel and main circuit；
The control panel includes the power module being separately connected with the positive and negative anodes of direct-flow input end, passes through the power module
The communication module of power supply controls to adjust module and driving protection module；
The positive and negative anodes of the direct-flow input end are switched by direct-flow input end connect with the power module respectively；
The main circuit include with the direct-flow input end successively DC support capacitance and H bridge inverters in parallel, it is described
The positive of direct-flow input end is equipped with thyristor pre-charge circuit in parallel with a resistor between the anode of the DC support capacitance,
The anode of the thyristor is switched by the direct-flow input end and is connect with the anode of the direct-flow input end, the DC support
The cathode of capacitance is connect by direct-flow input end switch described in another with the cathode of the direct-flow input end, and the H bridges are inverse
The exchange side for becoming device is connect with ac step-up transformer, the other end of the ac step-up transformer and the control and regulation module
And it is switched by ac output end and is connect with ac output end；
The H bridge inverters include the bridge arm that IGBT pipe T1 and IGBT pipes T2 constitutes the H bridge inverters, IGBT pipes
T3 and IGBT pipes T4 constitutes another bridge arm of the H bridge inverters, and the bridge arm constituted with IGBT pipe T1 and IGBT pipes T2
The first buffering capacitance being in parallel, the second buffering capacitance being in parallel with the IGBT pipe T3 and IGBT pipes T4 bridge arms constituted；
The driving protection module includes the ends output GATE, the ends output UTG, the ends output UBG, the output ends VTG and output VBG
End；
The control and regulation module monitors the ac output end voltage for acquiring in real time, drives the output GATE
End controls the break-make of the thyristor, and the ends driving output UTG, the ends output UBG, the output ends VTG and the ends output VBG are respectively to IGBT
Pipe T1, IGBT pipe T2, IGBT pipe T3 and IGBT pipe T4 input control signals UTG, UBG, VTG, VBG.
Further include rectangular body case comprising detachable front panel and integrally formed bottom plate, top plate, left plate, the right side
Side plate and backboard；
There is upper extension, the upper extension to be equipped with wall hanging mounting hole for the backboard upper end, and the backboard lower end has
Lower extension, the lower extension are equipped with wall hanging and install fixing groove；
The upper and lower ends of the left plate and the right plate are equipped with suspender belt fixing groove.
Be equipped with successively from top to bottom on the left of the cuboid enclosure intracavitary cooling fan, the DC support capacitance,
The pre-charge circuit of thyristor and resistor coupled in parallel, the ac step-up transformer and the control panel, in the rectangular body case
It is defeated equipped with H bridge inverters, radiator, two direct-flow input ends switches, two exchanges successively from top to bottom on the right side of portion
Go out end switch and H bridge inverter cooling fans.
The radiator is made of aluminium section bar.
The ac step-up transformer is by the design of the combined characteristic of ideal transformer and ac filter inductance, in order to avoid independently match
Set the volume that filter inductance increases the railway locomotive Mobile inverse power source device.
The control panel and the main circuit share the same direct-current input power supplying, need not be the another distribution of the control panel
Source simplifies the service condition of the railway locomotive Mobile inverse power source device.
By adopting the above-described technical solution, railway locomotive Mobile inverse power source device provided by the utility model, structure
Compact, installation operation is conveniently, input direct-current voltage accommodation is wide, output AC voltage is reliable and stable, and Electro Magnetic Compatibility is good,
In the case of saving the larger filter inductance of occupied space, output AC voltage is close to ideal sine wave.
The utility model can be widely popularized in fields such as railway locomotive car-mounted devices based on the above reasons.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is done simply to introduce, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the front view of railway locomotive Mobile inverse power source device in specific embodiment of the present utility model.
Fig. 2 is the left view of railway locomotive Mobile inverse power source device in specific embodiment of the present utility model.
Fig. 3 is the vertical view of railway locomotive Mobile inverse power source device in specific embodiment of the present utility model.
Fig. 4 is the schematic internal view of railway locomotive Mobile inverse power source device in specific embodiment of the present utility model.
Fig. 5 is the circuit diagram of railway locomotive Mobile inverse power source device in specific embodiment of the present utility model.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
As Figure 1-Figure 5, a kind of railway locomotive Mobile inverse power source device, including control panel 1 and main circuit；
The control panel 1 includes the power module being separately connected with the positive and negative anodes of direct-flow input end, passes through the power supply mould
The communication module of block power supply controls to adjust module and driving protection module；
The positive and negative anodes of the direct-flow input end are switched by direct-flow input end connect with the power module respectively；
The main circuit include with the direct-flow input end successively DC support capacitance and H bridge inverters in parallel, it is described
The positive of direct-flow input end is equipped with thyristor pre-charge circuit in parallel with a resistor between the anode of the DC support capacitance,
The anode of the thyristor is switched by the direct-flow input end and is connect with the anode of the direct-flow input end, the DC support
The cathode of capacitance is connect by direct-flow input end switch described in another with the cathode of the direct-flow input end, and the H bridges are inverse
The exchange side for becoming device is connect with ac step-up transformer, the other end of the ac step-up transformer and the control and regulation module
And it is switched by ac output end and is connect with ac output end；
The H bridge inverters include the bridge arm that IGBT pipe T1 and IGBT pipes T2 constitutes the H bridge inverters, IGBT pipes
T3 and IGBT pipes T4 constitutes another bridge arm of the H bridge inverters, and the bridge arm constituted with IGBT pipe T1 and IGBT pipes T2
The first buffering capacitance being in parallel, the second buffering capacitance being in parallel with the IGBT pipe T3 and IGBT pipes T4 bridge arms constituted；
The driving protection module includes the ends output GATE, the ends output UTG, the ends output UBG, the output ends VTG and output VBG
End；
The control and regulation module monitors the ac output end voltage for acquiring in real time, drives the output GATE
End controls the break-make of the thyristor, and the ends driving output UTG, the ends output UBG, the output ends VTG and the ends output VBG are respectively to IGBT
Pipe T1, IGBT pipe T2, IGBT pipe T3 and IGBT pipe T4 input control signals UTG, UBG, VTG, VBG.
Further include rectangular body case 2 comprising detachable front panel 3 and integrally formed bottom plate, top plate, left plate,
Right plate and backboard；
There is upper extension, the upper extension to be equipped with wall hanging mounting hole 4 for the backboard upper end, and the backboard lower end has
Lower extension, the lower extension are equipped with wall hanging and install fixing groove 5；
The upper and lower ends of the left plate and the right plate are equipped with suspender belt fixing groove 6.
7, two direct-flow input end switches 8 of status indicator lamp and two institutes there are three being set on the detachable front panel
Ac output end switch 9 is stated, the bottom plate is equipped with the terminals 10 of the direct-flow input end and connecing for the ac output end
Line end 11.
It is equipped with intracavitary cooling fan 12, the DC support capacitance on the left of the cuboid enclosure successively from top to bottom
13, thyristor pre-charge circuit 14 in parallel with a resistor, the ac step-up transformer 15 and the control panel 1, it is described rectangular
Body case inner right side is equipped with 17, two H bridge inverters 16, radiator direct-flow input end switches 8, two successively from top to bottom
A ac output end switch 9 and H bridge inverters cooling fan 18.
The radiator 17 is made of aluminium section bar.
The ac step-up transformer 15 is by the design of the combined characteristic of ideal transformer and ac filter inductance.
When the DC power supply of direct current 74V accesses the vehicle-mounted inversion of railway locomotive by two direct-flow input end switches 8
After supply unit, the power module works and is that the communication module, the control and regulation module and the driving are protected rapidly
Module for power supply is protected, while each capacitance of the main circuit also completes the thermal energy storage process of initial power-on.
The control and regulation module acquires the monitoring ac output end voltage in real time, drives the ends the output GATE control
The break-make of the thyristor, driving output UTG ends, the ends output UBG, the output ends VTG and the ends output VBG respectively to IGBT pipes T1,
IGBT pipe T2, IGBT pipe T3 and IGBT pipe T4 input control signals UTG, UBG, VTG, VBG.
It is automatic to start operation, control after each module of control panel and each section of the main circuit have service condition
The H bridge inverters arrange the PWM voltage pulses that DC voltage inversion is 50Hz, by the boosting of the ac step-up transformer
The PWM voltages of part and filtering part, the H bridge inverters output become the sine voltage of 50Hz, the control and regulation mould
Block acquires the monitoring ac output end voltage and constitutes voltage close loop adjusting in real time, and ac output voltage is made to stablize in 220V.
Inversion voltage stabilizing process：
If the voltage of the direct-flow input end has downwards fluctuation, output AC voltage that will reduce in 74V, the control
Adjustment module can then be adjusted up the amplitude of modulating wave immediately after detecting, output AC voltage is made to maintain 220V.
If the voltage of the direct-flow input end has fluctuation, output AC voltage that will increase upwards in 74V, the control
Adjustment module can then adjust downwards the amplitude of modulating wave immediately after detecting, output AC voltage is made to maintain 220V.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (5)
1. a kind of railway locomotive Mobile inverse power source device, it is characterised in that：Including control panel and main circuit；
The control panel includes the power module being separately connected with the positive and negative anodes of direct-flow input end, is powered by the power module
Communication module, control to adjust module and driving protection module；
The positive and negative anodes of the direct-flow input end are switched by direct-flow input end connect with the power module respectively；
The main circuit includes and the direct-flow input end successively DC support capacitance and H bridge inverters in parallel, the direct current
The positive of input terminal is equipped with thyristor pre-charge circuit in parallel with a resistor between the anode of the DC support capacitance, described
The anode of thyristor is switched by the direct-flow input end and is connect with the anode of the direct-flow input end, the DC support capacitance
Cathode switched by direct-flow input end described in another and connect with the cathode of the direct-flow input end, the H bridge inverters
Exchange side connect with ac step-up transformer, the other end of the ac step-up transformer and the control and regulation module and
It is switched by ac output end and is connect with ac output end；
The H bridge inverters include the bridge arm that IGBT pipe T1 and IGBT pipes T2 constitutes the H bridge inverters, IGBT pipes T3 and
IGBT pipes T4 constitutes another bridge arm of the H bridge inverters, and the bridge arm phase constituted with IGBT pipe T1 and IGBT pipes T2 is simultaneously
First buffering capacitance of connection, the second buffering capacitance being in parallel with the IGBT pipe T3 and IGBT pipes T4 bridge arms constituted；
The driving protection module includes the ends output GATE, the ends output UTG, the ends output UBG, the output ends VTG and the ends output VBG；
The control and regulation module monitors the ac output end voltage for acquiring in real time, drives the ends the output GATE control
The break-make of the thyristor is made, the ends driving output UTG, the ends output UBG, the output ends VTG and the ends output VBG are managed to IGBT respectively
T1, IGBT pipe T2, IGBT pipe T3 and IGBT pipe T4 input control signals UTG, UBG, VTG, VBG.
2. railway locomotive Mobile inverse power source device according to claim 1, it is characterised in that：Further include outside cuboid
Shell comprising detachable front panel and integrally formed bottom plate, top plate, left plate, right plate and backboard；
There is upper extension, the upper extension to be equipped with wall hanging mounting hole for the backboard upper end, and the backboard lower end has downward
Extending portion, the lower extension are equipped with wall hanging and install fixing groove；
The upper and lower ends of the left plate and the right plate are equipped with suspender belt fixing groove.
3. railway locomotive Mobile inverse power source device according to claim 2, it is characterised in that：In the rectangular body case
It is equipped with the precharge of intracavitary cooling fan, the DC support capacitance, thyristor and resistor coupled in parallel on the left of portion successively from top to bottom
Circuit, the ac step-up transformer and the control panel, the cuboid enclosure right side are equipped with H bridges successively from top to bottom
Inverter, radiator, two direct-flow input end switches, two ac output end switches and H bridge inverter radiation airs
Machine.
4. railway locomotive Mobile inverse power source device according to claim 3, it is characterised in that：The radiator is by aluminium profiles
Material is made.
5. railway locomotive Mobile inverse power source device according to claim 1, it is characterised in that：The AC boosting transformation
Device is by the design of the combined characteristic of ideal transformer and ac filter inductance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820075836.1U CN207782682U (en) | 2018-01-17 | 2018-01-17 | Railway locomotive Mobile inverse power source device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820075836.1U CN207782682U (en) | 2018-01-17 | 2018-01-17 | Railway locomotive Mobile inverse power source device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207782682U true CN207782682U (en) | 2018-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820075836.1U Active CN207782682U (en) | 2018-01-17 | 2018-01-17 | Railway locomotive Mobile inverse power source device |
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| Country | Link |
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| CN (1) | CN207782682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109672347A (en) * | 2019-02-19 | 2019-04-23 | 陕西联控机电设备有限公司 | A kind of vehicle-mounted alternating current steady voltage plug |
-
2018
- 2018-01-17 CN CN201820075836.1U patent/CN207782682U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109672347A (en) * | 2019-02-19 | 2019-04-23 | 陕西联控机电设备有限公司 | A kind of vehicle-mounted alternating current steady voltage plug |
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