CN207588713U - A kind of total power metro traction power supply device power module - Google Patents
A kind of total power metro traction power supply device power module Download PDFInfo
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- CN207588713U CN207588713U CN201721401103.4U CN201721401103U CN207588713U CN 207588713 U CN207588713 U CN 207588713U CN 201721401103 U CN201721401103 U CN 201721401103U CN 207588713 U CN207588713 U CN 207588713U
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- wind turbine
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Abstract
A kind of total power metro traction power supply device power module, the power module frame of guide rail is installed including bottom, power module housing is set by power module frame, power module enclosure interior is equipped with power semiconductor, driving plate, stack bus bar, dc-link capacitance, absorption circuit, radiator, wind turbine and temperature sensing circuit；Power semiconductor is fixed on a heat sink, and for driving plate by optical fiber and external connection, radiator forms the air duct of closing with wind turbine, and heat emission hole is provided on power module housing；Absorption circuit is fixed between the anode of stack bus bar and cathode, it and being capable of due to voltage spikes of the absorbed power semiconductor devices in switching process, temperature sensing circuit is for detecting highest and lowest temperature in entire power module, according to the minimum temperature adjustment wind turbine input detected and the threshold value exited.The utility model is compact to design, on the basis of it can realize traction, feedback and no-power compensation function, saves floor space and equipment investment.
Description
Technical field
The utility model is related to subway traction power supply fields, and in particular to a kind of total power metro traction power supply device power
Module.
Background technology
At present, metro traction power system is usually made of 24 pulse wave rectifier units, in order to handle train in skidding
When the braking energy that generates, usually also need to configuration resistance consumption device or regenerative braking energy feedback device.Wherein, resistance
Consumer is fallen skidding energy expenditure by the form of fever, and regenerative braking energy feedback device will be braked by inversion
Braking energy feedback achievees the purpose that stable DC contact net to middle pressure or low-voltage alternating-current power grid.
But resistance consumption device consumes braking energy in the form of heat, not only wastes energy, can also cause tunnel environment
Temperature increases, and needs to increase construction and the running cost of ring control equipment；Regenerative braking energy feedback device needs additional increase to hand over
Pressure or low-tension switch cabinet, isolating transformer, direct-current switch cabinet etc., will increase investment and the floor space of equipment in stream.
Utility model content
The problems in the purpose of this utility model is that for the above-mentioned prior art, a kind of total power metro traction is provided and is supplied
Electric installation power module, it is compact to design, it can realize traction, feedback and no-power compensation function, save floor space and equipment
Investment.
To achieve these goals, the technical solution adopted in the utility model is：The power of guide rail is installed including bottom
Module frame sets power module housing by power module frame, and the power module enclosure interior is provided with power half
Conductor device, driving plate, stack bus bar, dc-link capacitance, absorption circuit, radiator, wind turbine and temperature sensing circuit；Institute
The power semiconductor stated is fixed on a heat sink, and driving plate passes through optical fiber and external connection, the radiator and wind turbine
The air duct of closing is formed, heat emission hole is offered on power module housing；The absorption circuit is fixed on the anode of stack bus bar
Between cathode, and can due to voltage spikes of the absorbed power semiconductor devices in switching process, the temperature detection electricity
Road according to the minimum temperature adjustment wind turbine input detected and is exited for detecting highest and lowest temperature in entire power module
Threshold value.
Radiator is fixed on by side plate on power module frame, and wind turbine is fixed on power module lower portion and passes through method
Blue to form closing air flue with radiator, driving plate is directly fixed in the drive signal receiving terminal of power semiconductor.
The dc-link capacitance is fixed on vertically on power module frame, the thickness of power semiconductor and radiator
Degree is equal to the thickness of dc-link capacitance, and the overall thickness of radiator, power semiconductor and stack bus bar is less than wind turbine
Thickness.
The driving plate includes being located at stack bus bar the upper tube driving plate of both sides and down tube driving plate up and down respectively.
The major loop of the power semiconductor is connect by copper bar with external circuit.
The temperature sensing circuit is mounted on the closing air flue that wind turbine is formed with radiator.
Compared with prior art, the utility model has following advantageous effect：By the way that power semiconductor is fixed
On a heat sink, radiator forms the air duct of closing with wind turbine, and absorption circuit is fixed between the anode of stack bus bar and cathode,
And for due to voltage spikes of the absorbed power semiconductor devices in switching process, pacify on the closing air flue that wind turbine is formed with radiator
Temperature sensing circuit is filled, temperature sensing circuit can detect the maximum temperature and minimum temperature of power module in real time, by power mould
The switching control of wind turbine is realized in block maximum temperature and temperature control threshold comparison, and according to power module minimum temperature and benchmark temperature
Difference adjustment temperature control threshold is spent, wind turbine temperature control threshold is intelligently turned down when minimum temperature is higher than fiducial temperature, when most
Wind turbine temperature control threshold is intelligently turned up when being less than fiducial temperature in low temperature.The bottom installation of the utility model power module frame
Guide rail, maintenance easy to disassemble, it is convenient to replace between different subway traction power supply rating of set modules.The structure of the utility model is set
It counts compact, on the basis of it can realize traction, feedback and no-power compensation function, saves floor space and equipment investment.
Description of the drawings
The overall structure diagram of Fig. 1 the utility model；
The overall structure rearview of Fig. 2 the utility model；
The electronic schematic diagram of Fig. 3 the utility model；
Fig. 4 the utility model temperature control flow figures；
Fig. 5 the utility model wind turbine temperature control thresholds are adaptively schemed；
In attached drawing：1- dc-link capacitances；2- radiators；3- driving plates；4- stack bus bars；5- power semiconductors；
6- wind turbines；7- absorption circuits；8- copper bars；9- guide rails；10- temperature sensing circuits；TaPower module minimum temperature；TjBenchmark temperature
Degree.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings.
Referring to Fig. 1 and Fig. 2, the utility model in structure include power semiconductor 5, driving plate 3, stack bus bar 4,
Dc-link capacitance 1, absorption circuit 7, radiator 2, wind turbine 6, temperature sensing circuit 10.Power module major loop externally passes through copper
8 connection of row；Power semiconductor 5, dc-link capacitance 1 and stack bus bar 4 are bolted；Absorption circuit 7 is fixed on
Between the anode and cathode of stack bus bar 4；Driving plate 3 is directly anchored on power semiconductor 5, is connected by optical fiber and outside
It connects；Radiator 2 and wind turbine 6 form closing air flue；Guide rail 9 is installed, convenient for safeguarding.
Referring to Fig. 3, two power semiconductors 5 of the utility model form half-bridge topology, the upper wind turbine of power module
6th, driving power, temperature sensing circuit 10 are unified external by terminal.
Referring to Fig. 4, when temperature sensing circuit 10 detects that power module maximum temperature is more than input threshold value (adjustable), wind
Machine 6 puts into operation；When temperature sensing circuit 10 detects power module maximum temperature less than threshold value (adjustable) is exited, wind turbine 6
It is out of service；It input threshold value and exits between threshold value and has stagnant ring logic.
Referring to Fig. 5, when temperature sensing circuit 10 detects that power module minimum temperature is higher than fiducial temperature, automatically turn down
Wind turbine temperature control threshold, when minimum temperature is less than fiducial temperature, automatic adjustment height wind turbine temperature control threshold.
Claims (6)
1. a kind of total power metro traction power supply device power module, it is characterised in that：The work(of guide rail (9) is installed including bottom
Rate module frame sets power module housing by power module frame, and the power module enclosure interior is provided with power
Semiconductor devices (5), driving plate (3), stack bus bar (4), dc-link capacitance (1), absorption circuit (7), radiator (2), wind
Machine (6) and temperature sensing circuit (10)；The power semiconductor (5) is fixed on radiator (2), driving plate (3)
By optical fiber and external connection, the radiator (2) forms the air duct of closing with wind turbine (6), is opened up on power module housing
There is heat emission hole；The absorption circuit (7) is fixed between the anode and cathode of stack bus bar (4), and being capable of absorbed power
Due to voltage spikes of the semiconductor devices in switching process, the temperature sensing circuit (10) is for detecting in entire power module
Highest and lowest temperature, the threshold value for putting into and exiting according to the minimum temperature adjustment wind turbine (6) detected.
2. total power metro traction power supply device power module according to claim 1, it is characterised in that：Radiator (2)
It is fixed on power module frame by side plate, wind turbine (6) is fixed on power module lower portion and passes through flange and radiator
(2) closing air flue is formed, driving plate (3) is directly fixed in the drive signal receiving terminal of power semiconductor (5).
3. total power metro traction power supply device power module according to claim 1, it is characterised in that：The direct current
Bus capacitor (1) is fixed on power module frame vertically, and power semiconductor (5) and the thickness of radiator (2) are equal to directly
The thickness of bus capacitor (1) is flowed, the overall thickness of radiator (2), power semiconductor (5) and stack bus bar (4) is less than wind
The thickness of machine (6).
4. total power metro traction power supply device power module according to claim 1, it is characterised in that：The driving
Plate (3) including being located at stack bus bar (4) the upper tube driving plate of both sides and down tube driving plate up and down respectively.
5. total power metro traction power supply device power module according to claim 1, it is characterised in that：The power half
The major loop of conductor device (5) is connect by copper bar (8) with external circuit.
6. total power metro traction power supply device power module according to claim 1, it is characterised in that：The temperature
Detection circuit (10) is on the closing air flue that wind turbine (6) and radiator (2) are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721401103.4U CN207588713U (en) | 2017-10-26 | 2017-10-26 | A kind of total power metro traction power supply device power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721401103.4U CN207588713U (en) | 2017-10-26 | 2017-10-26 | A kind of total power metro traction power supply device power module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207588713U true CN207588713U (en) | 2018-07-06 |
Family
ID=62729692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721401103.4U Active CN207588713U (en) | 2017-10-26 | 2017-10-26 | A kind of total power metro traction power supply device power module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207588713U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742923A (en) * | 2018-12-10 | 2019-05-10 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of high-capacity power cabinet |
-
2017
- 2017-10-26 CN CN201721401103.4U patent/CN207588713U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742923A (en) * | 2018-12-10 | 2019-05-10 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of high-capacity power cabinet |
| CN109742923B (en) * | 2018-12-10 | 2021-03-19 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Large-capacity power cabinet |
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