CN205657492U - DC600V train is switching of power control panel for power supply unit - Google Patents
DC600V train is switching of power control panel for power supply unit Download PDFInfo
- Publication number
- CN205657492U CN205657492U CN201620426861.0U CN201620426861U CN205657492U CN 205657492 U CN205657492 U CN 205657492U CN 201620426861 U CN201620426861 U CN 201620426861U CN 205657492 U CN205657492 U CN 205657492U
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- power supply
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Abstract
The utility model discloses a DC600V train is switching of power control panel for power supply unit, the input IN of switching of power control panel (1) connect one -level change over switch (2) and second grade change over switch (3) respectively, and the output OUT of switching of power control panel (1) meets the power PSU_B with B group circuit to the power PSU_A of the control unit A group circuit respectively, and switching of power control panel (1) includes voltage transformation circuit and switching of power control circuit, the voltage transformation circuit is including step down in advance voltage stabilizing circuit and 2 way DC48V12V power module, switching of power control circuit includes 2 signal isolation control circuit of group and the 2nd MOS pipe switch control circuit (4) and the 3rd MOS pipe switch control circuit (5), through adopting the switching of power control panel to realize just can realizing remote control to the control unit's teleswitching at the cab, guaranteed the validity of the control unit's work, the stability and the security of train power supply improve, guarantee the normal operating of locomotive.
Description
Technical field
This utility model relates to field of electronic devices, is specifically related to a kind of DC600V train power supply device power supply switching control plate.
Background technology
The AC-input voltage obtained in electric locomotive is transformed into VD, for the electricity on train by train power supply device
Gas equipment provides power supply.Its conversion process, by the control unit control realization of train power supply device, considers for reliability, controls
Unit have employed A, B group Redundancy Design, including control unit A group and control unit B group.Existing train power supply device is to control
The switching of unit is to be realized by the transfer switch of train power supply device control units, when locomotive stops, by entering
Enter the artificial operation of control unit and realize switching, it is impossible to realize remote control, i.e. can not be at drivers' cab just to control unit A group and control
Unit B group processed remotely switches, and so can not make effective action in time for control unit fault, be substantially reduced locomotive
Power supply reliability and safety.
Utility model content
This utility model provides a kind of DC600V train power supply device power supply switching control plate, realizes controlling train power supply device
The long-range switching of unit.
This utility model employed technical scheme comprise that DC600V train power supply device power supply switching control plate, power supply switching control
The input IN of plate connects one-level permutator and two grades of permutatoies respectively, and the outfan OUT of power supply switching control plate is respectively connected to control
The power ps U_B, the input IN of power supply switching control plate of power ps U_A and the B group circuit of unit A group circuit processed have 4, for
Input IN1, IN2, IN3, IN4, outfan OUT has 4, for outfan OUT1, OUT2, OUT3, OUT4,
One-level permutator has 3 gears, and for A, O, B gear, including 8 contacts, two grades of permutatoies are that single-pole double throw is opened
Close, including 2 kinds of states, contact O, A conducting or contact O, B conducting, power supply DC110V+ be connected to one-level permutator contact 1,
3,5 and two grades of permutatoies, power supply DC110V-are connected to the contact 7 of one-level permutator and the negative of power ps U_A and power ps U_B
Pole,
When one-level permutator is positioned at A shelves, contact 1,2 turns on, with the outfan OUT3 of power supply switching control plate, 4 be connected after
It is connected to power ps U_A positive pole；
When one-level permutator is positioned at B shelves, contact 5,6 turns on, with the outfan OUT1 of power supply switching control plate, 2 be connected after
It is connected to the positive pole of power ps U_B；
When one-level permutator is positioned at O shelves, it is connected with the input IN1 of power supply switching control plate after the conducting of contact 3,4；Contact 7,
It is connected with the input IN2 of power supply switching control plate after 8 conductings；
Two grades of switcher output signal are signal LGKA or signal LGKB, and the outfan of signal LGKA is connected to power supply switching control plate
Input IN3, the outfan of signal LGKB is connected to the input IN4 of power supply switching control plate.
Described power supply switching control plate includes voltage conversion circuit and power supply control switching circuit；Voltage conversion circuit includes pre-fall
Pressure mu balanced circuit and 2 road DC48V/12V power modules；Power supply control switching circuit includes 2 groups of signal isolation control circuits and second
Metal-oxide-semiconductor ON-OFF control circuit and the 3rd metal-oxide-semiconductor ON-OFF control circuit；
When one-level permutator is positioned at O shelves, power supply switch circuit plate input IN1 and IN2 is connected to the two ends of voltage conversion circuit,
DC110V voltage exports after pre-decompression voltage regulator and connects 2 road DC48V/12V power modules, more electric with power supply switching control respectively
2 groups of signal isolation control circuits on road are connected,
When one-level permutator is positioned at O shelves, and when two grades of permutatoies are positioned at A shelves, LGKA signal output part is by power supply switching electricity
The input IN3 of road plate is connected to one group of signal isolation control circuit, this signal isolation control circuit and the second metal-oxide-semiconductor on-off control electricity
Road be connected, second metal-oxide-semiconductor ON-OFF control circuit output be connected to the outfan OUT3 of power supply switch circuit plate, 4, when one-level change
Switch is positioned at O shelves, and when two grades of permutatoies are positioned at B shelves, the LGKB signal output part input IN4 by power supply switch circuit plate
Being connected to another group signal isolation control circuit, this signal isolation control circuit and the 3rd metal-oxide-semiconductor ON-OFF control circuit are connected, the 3rd MOS
The output of pipe ON-OFF control circuit be connected to the outfan OUT1 of power supply switch circuit plate, 2.
The beneficial effects of the utility model are: by using power supply switching control plate to realize the long-range switching to control unit, be not required to
Stop, it is not necessary to enter intra-locomotive, just can realize remotely controlling at drivers' cab, it is ensured that having of the work of control unit
Effect property, improves the stability of train power supply and safety, improves work efficiency, it is ensured that locomotive properly functioning.
Accompanying drawing explanation
Fig. 1 structured flowchart of the present utility model.
Fig. 2 circuit theory of the present utility model sketch.
Fig. 3 voltage conversion circuit of the present utility model block diagram.
Fig. 4 power supply of the present utility model control switching circuit block diagram.
Reference: 1, power supply switching control plate, 2, one-level permutator, 3, two grades of permutatoies, the 4, the 2nd MOS
Pipe ON-OFF control circuit, the 5, the 3rd metal-oxide-semiconductor ON-OFF control circuit.
Detailed description of the invention
Being described further utility model in conjunction with accompanying drawing 1 to accompanying drawing 4, scheme of the present utility model is to be switched by power supply
The control unit A/B group permutator (hereinafter referred to as one-level permutator 2) of panel 1 and electric supply installation and the electricity of drivers' cab
Source changeover switch (hereinafter referred to as two grades permutatoies 3) coordinate, complete to control unit A, two groups of circuit working states of B remote
Journey switches.Power supply switching control plate 1 of the present utility model includes voltage conversion circuit and power supply control switching circuit；Voltage transformation
Circuit completes the translation function to voltage, and it includes pre-decompression voltage regulator and 2 road DC48V/12V power modules；Power supply switches
Control circuit has been used for the long-range switching to control unit, and it includes 2 groups of signal isolation control circuits and the second metal-oxide-semiconductor switch
Control circuit 4 and the 3rd metal-oxide-semiconductor ON-OFF control circuit 5；One group of signal isolation control circuit and the second metal-oxide-semiconductor on-off control electricity
Road 4 coordinates, and completes to obtain electric to A group control unit, another group signal isolation control circuit and the 3rd metal-oxide-semiconductor on-off control electricity
Road 5 coordinates, and completes to obtain electric to B group control unit, and the circuit structure of 2 groups of signal isolation control circuits is identical,
As in figure 2 it is shown, the characteristic index of power supply switching control plate 1 and parameter are as follows:
As it is shown in figure 1, this utility model power supply switching control plate 1 receives from one-level permutator 2 and two grades of permutatoies 3
Signal, opened power ps U_A or PSU_B of control unit by logical judgment, the DC110V signal from locomotive is given respectively
To one-level permutator 2 and two grades of permutatoies 3, and by the logical combination of two switches, it is judged that DC110V signal is given to electricity
Source PSU_A or PSU_B, wherein, one-level permutator 2 is universal seclector, has 3 gears, 8 contacts.When opening
When pass instruction is positioned at A shelves, contact 1,2 turns on；When being positioned at B shelves, contact 5,6 turns on；When being positioned at O shelves, contact 3,4
Conducting, contact 7,8 turns on.Two grades of permutatoies 3 are single-pole double-throw switch (SPDT), only 2 kinds states, i.e. contact O, A turns on
Or contact O, B conducting.
Control logic of the present utility model is: the Logic Priority of one-level permutator 2, in two grades of permutatoies 3, only works as one-level
When permutator 2 is positioned at O shelves, two grades of permutatoies 3 just work.Concrete condition is as follows:
When the switch of one-level permutator 2 indicates and is positioned at A shelves, its contact 1,2 turns on, and DC110V signal is cut by power supply
Changing the outfan OUT3 of panel 1,4 be directly given to power ps U_A, control unit A group circuit obtains electric work；
When the switch of one-level permutator 2 indicates and is positioned at B shelves, contact 5,6 turns on, and DC110V signal is switched by power supply
The outfan OUT3 of panel 1,4 being directly given to power ps U_B, control unit B group circuit obtains electric work；
When the switch of one-level permutator 2 indicates and is positioned at O shelves, according to the condition adjudgement DC110V signal of two grades of permutatoies 3
It is given to power ps U_A or power ps U_B.Specific as follows:
When the switch of one-level permutator 2 indicates and is positioned at O shelves, the input IN1 of power supply switching control plate 1 connects DC110V+
Signal, IN2 connects DC110V-signal.As it is shown on figure 3, voltage conversion circuit obtains electric work, circuit operation is as follows:
The input IN1 of power supply switching control plate 1,2 access DC110V signals, through the first metal-oxide-semiconductor ON-OFF control circuit
Export after the pre-decompression voltage regulator of metal-oxide-semiconductor and stabilivolt composition, supply the 2 i.e. voltage transformation moulds of road DC48V/12V power module
Block, exporting 12V-1,12V-2 after carrying out blood pressure lowering isolation processing is that subsequent conditioning circuit is powered, the most respectively power supply switching control electricity
2 signal isolation control circuits in road provide 12V power supply.
As shown in Figure 4, it is positioned at O shelves, if two grades of permutatoies 3 are positioned at A shelves, LGKA when the switch of one-level permutator 2 indicates
Signal output part accesses, and one group of signal isolation control circuit touches to the metal-oxide-semiconductor grid one of the second metal-oxide-semiconductor ON-OFF control circuit 4
Generating pressure so that metal-oxide-semiconductor Q101 obtains electric work, the DC110V+ of the input IN1 of power supply switching control plate 1 is connected to output
End OUT3,4, be directly given to power ps U_A, control unit A group circuit obtains electric work
It is positioned at O shelves, if two grades of permutatoies 3 are positioned at B shelves, LGKB signal output part when the switch of one-level permutator 2 indicates
Accessing, the 3rd metal-oxide-semiconductor ON-OFF control circuit 5 works, then DC110V signal is given to power ps U_B, control unit B group circuit
Obtain electric work.Wherein, the varistor MOV101 at metal-oxide-semiconductor two ends protects metal-oxide-semiconductor Q101 so that VDSVoltage can bear at it
In the range of.
The control logical design of circuit makes when power supply switching control plate 1 breaks down, still can be by the electricity of control unit
Source changeover switch i.e. one-level permutator 2 carrys out switching circuit duty, by one-level permutator 2 is received power supply switching control
The outfan OUT of making sheet 1, directly powers for control unit A and B, it is to avoid control unit is because of power supply switching control plate 1 fault
And cannot work.
Claims (2)
1.DC600V train power supply device power supply switching control plate, it is characterised in that: the input of power supply switching control plate (1)
End IN connects one-level permutator (2) and two grades of permutatoies (3) respectively, and the outfan OUT of power supply switching control plate (1) divides
It is not connected to the power ps U_B of power ps U_A and the B group circuit of control unit A group circuit, power supply switching control plate (1) defeated
Entering to hold IN to have 4, for input IN1, IN2, IN3, IN4, outfan OUT has 4, for outfan OUT1, OUT2,
OUT3、OUT4,
One-level permutator (2) has 3 gears, for A, O, B gear, including 8 contacts, two grades of permutatoies (3)
For single-pole double-throw switch (SPDT), including 2 kinds of states, contact O, A conducting or contact O, B conducting, power supply DC110V+ is connected to one-level
1,3,5 and two grades, the contact of permutator (2) permutator (3), power supply DC110V-is connected to the contact of one-level permutator
7 and power ps U_A and the negative pole of power ps U_B,
When one-level permutator (2) is positioned at A shelves, contact 1,2 turns on, with the outfan of power supply switching control plate (1)
OUT3,4 be connected be followed by power ps U_A positive pole；
When one-level permutator (2) is positioned at B shelves, contact 5,6 turns on, with the outfan of power supply switching control plate (1)
OUT1, the 2 connected positive poles being followed by power ps U_B；
When one-level permutator (2) is positioned at O shelves, with the input of power supply switching control plate (1) after the conducting of contact 3,4
IN1 is connected；It is connected with the input IN2 of power supply switching control plate (1) after the conducting of contact 7,8；
Two grades of permutator (3) output signals are signal LGKA or signal LGKB, and the outfan of signal LGKA is connected to power supply and cuts
Changing the input IN3 of panel (1), the outfan of signal LGKB is connected to the input IN4 of power supply switching control plate (1).
DC600V train power supply device power supply switching control plate the most according to claim 1, it is characterised in that: described
Power supply switching control plate (1) include voltage conversion circuit and power supply control switching circuit；Voltage conversion circuit includes that pre-blood pressure lowering is steady
Volt circuit and 2 road DC48V/12V power modules；Power supply control switching circuit includes 2 groups of signal isolation control circuits and the 2nd MOS
Pipe ON-OFF control circuit (4) and the 3rd metal-oxide-semiconductor ON-OFF control circuit (5)；
When one-level permutator (2) is positioned at O shelves, power supply switch circuit plate (1) input IN1 and IN2 is connected to voltage and becomes
Changing the two ends of circuit, DC110V voltage exports after pre-decompression voltage regulator and connects 2 road DC48V/12V power modules, then distinguishes
It is connected with 2 groups of signal isolation control circuits of power supply control switching circuit,
When one-level permutator (2) is positioned at O shelves, and when two grades of permutatoies (3) are positioned at A shelves, LGKA signal output part passes through
The input IN3 of power supply switch circuit plate (1) is connected to one group of signal isolation control circuit, this signal isolation control circuit and second
Metal-oxide-semiconductor ON-OFF control circuit (4) is connected, and the second metal-oxide-semiconductor ON-OFF control circuit (4) output is connected to power supply switch circuit plate (1)
Outfan OUT3,4, when one-level permutator (2) is positioned at O shelves, and when two grades of permutatoies (3) are positioned at B shelves, LGKB
Signal output part by the input IN4 of power supply switch circuit plate (1) be connected to another group signal isolation control circuit, this signal every
Being connected with the 3rd metal-oxide-semiconductor ON-OFF control circuit (5) from control circuit, the output of the 3rd metal-oxide-semiconductor ON-OFF control circuit (5) connects
To power supply switch circuit plate (1) outfan OUT1,2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620426861.0U CN205657492U (en) | 2016-05-11 | 2016-05-11 | DC600V train is switching of power control panel for power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620426861.0U CN205657492U (en) | 2016-05-11 | 2016-05-11 | DC600V train is switching of power control panel for power supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205657492U true CN205657492U (en) | 2016-10-19 |
Family
ID=57402495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620426861.0U Withdrawn - After Issue CN205657492U (en) | 2016-05-11 | 2016-05-11 | DC600V train is switching of power control panel for power supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205657492U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026350A (en) * | 2016-05-11 | 2016-10-12 | 中车大连机车研究所有限公司 | Power supply switching control panel for DC 600-V train power supply apparatus |
| CN108944578A (en) * | 2018-06-29 | 2018-12-07 | 中车长江车辆有限公司 | It is a kind of for the power supply unit of train, method of supplying power to and train |
-
2016
- 2016-05-11 CN CN201620426861.0U patent/CN205657492U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026350A (en) * | 2016-05-11 | 2016-10-12 | 中车大连机车研究所有限公司 | Power supply switching control panel for DC 600-V train power supply apparatus |
| CN108944578A (en) * | 2018-06-29 | 2018-12-07 | 中车长江车辆有限公司 | It is a kind of for the power supply unit of train, method of supplying power to and train |
| CN108944578B (en) * | 2018-06-29 | 2020-10-16 | 中车长江车辆有限公司 | Power supply device and power supply method for train and train |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161019 Effective date of abandoning: 20180911 |
|
| AV01 | Patent right actively abandoned |