CN201102477Y - Rheostatic braking switch control device of diesel locomotive - Google Patents
Rheostatic braking switch control device of diesel locomotive Download PDFInfo
- Publication number
- CN201102477Y CN201102477Y CNU2007200161827U CN200720016182U CN201102477Y CN 201102477 Y CN201102477 Y CN 201102477Y CN U2007200161827 U CNU2007200161827 U CN U2007200161827U CN 200720016182 U CN200720016182 U CN 200720016182U CN 201102477 Y CN201102477 Y CN 201102477Y
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- contact
- contactless switch
- coil
- contactless
- parallel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model relates to a resistance braking conversion control device of a diesel locomotive. The contact (2) of a master controller DRC and the coil of a contactor B1 are connected in series between positive and negative electrodes of a battery power. Contacts (1, 2) of a universal switch DBGS, coils of contactors B2 and B3 in parallel direction, the normal close contact of a shutdown relay ERR and the contact of a relay for controlling the velocity of the locomotive are in parallel connection with the coil of the contactor B1 after being connected in series successively. An excitation winding of a traction motor is respectively connected with a positive terminal of a rectifier cabinet and a positive terminal of the battery power through the contacts of the contactors B1 and B2 and is connected with a negative end of the battery power through the contact of the contractor B3 and a resistor R3. When a diesel generating set is stopped suddenly because of faults, the battery power is automatically connected with a loop of the excitation winding of the traction motor, which improves the safety and the reliability of the braking of a train on a ramp.
Description
Technical field
The utility model belongs to diesel locomotive control technology field, relates in particular to a kind of later-model diesel locomotive rheostatic brake conversion control device.
Background technology
In order to improve the reliability of braking, often adopt rheostatic brake to mix use on the existing diesel locomotive with air brake or vacuum brake.This rheostatic brake generally is that locomotive in advancing is when need slow down or stop, power to the traction motor excitation winding by the pulling electric generator group, the rotor that the wheel shaft of rotation drives traction motor moves in the electrical generator mode, and the kinetic energy conversion power transformation energy with train is dissipated on the braking resistor.In the circuit situation preferably down, this can satisfy the utilization needs under the various operating modes of locomotive fully.But for precipitous and perilous complexity, the relatively poor circuit of road conditions, when locomotive when down ramp moves, if the diesel engine cataphoretic failure, the main generator generation outage, the exciting current in the traction motor excitation winding disappears, the rheostatic brake system will be ineffective fully.
Summary of the invention
The purpose of this utility model overcomes the deficiency of above-mentioned prior art exactly, and a kind of safe and reliable diesel locomotive storage battery rheostatic brake device is provided.
The purpose of this utility model is existing like this: a kind of diesel locomotive rheostatic brake conversion control device; comprise driver controller DRC and contactless switch B1; the contact 2 of driver controller DRC and the coil of contactless switch B1 are connected between the battery feed both positive and negative polarity; the excitation winding of traction motor is connected to the anode of rectifier cabinet by the contact of contactless switch B1; also comprise universal seclector DBGS; contactless switch B2 and B3; shut down relay ERR; locomotive speed control relay LSCR; in control loop; the contact 1 and 2 of universal seclector DBGS; contactless coil B2 and B3 in parallel; shut down the normally closed contact of relay ERR; the contact in turn series connection back of locomotive speed control relay LSCR is in parallel with contactless coil B1; the excitation winding of traction motor is connected to the anode of battery feed by the contact of contactless switch B2, the negative terminal that contact and the resistance R 3 by contactless switch B3 is connected to battery feed.
In order to realize the purpose of this utility model better, the circuit series parallel connection that can have circuit series that at least one universal seclector contact 3 and 4 constitutes with the coil of contactless switch B4 and universal seclector contact 1 and 2, contactless coil B2 in parallel and B3 to constitute in the control loop, the circuit series of the corresponding contact that at least one contactless switch B4 arranged in traction motor excitation winding loop and resistance R 4 formations is in parallel with the circuit series of the contact of contactless switch B3 and resistance R 3 formations.
Adopt the technical solution of the utility model; in train rheostatic brake process,, the diesel powerplant cataphoretic failure shuts down if taking place; battery feed will insert traction motor excitation winding loop automatically; guarantee that rheostatic brake continues to play a role, improved the safe reliability of braking on the train ramp.The braking of the applicable different gradient of the utilization of shunt resistance control loop in parallel in addition.
Description of drawings
Accompanying drawing 1 is the circuit theory scheme drawing of the utility model embodiment.
The specific embodiment
Referring to Fig. 1; the diesel locomotive rheostatic brake conversion control device of the utility model embodiment; comprise driver controller and contactless switch; the contact 2 of driver controller DRC and the coil of contactless switch B1 are connected between the battery feed both positive and negative polarity, universal seclector DBGS, contactless switch B2 and B3, shutdown relay ERR, locomotive speed control relay LSCR.In control loop; the coils from parallel connection of coils of the normally closed contact of the contact 1 and 2 of universal seclector DBGS, in parallel contactless coil B2 and B3, shutdown relay ERR, locomotive speed control relay LSCR contact in turn series connection back and contactless switch B1, the circuit series that the contact 3 of universal seclector DBGS and 4 constitutes with the coil of contactless switch B4 and the contact 1 and 2 of universal seclector DBGS, contactless coil B2 in parallel and the circuit series parallel connection of B3 formation.The excitation winding of traction motor is connected to the anode of rectifier cabinet and the anode of battery feed respectively by the contact of contactless switch B1 and B2, the circuit series that the negative terminal that contact and resistance R 3 by contactless switch B3 is connected to battery feed, the contact of contactless switch B4 and resistance R 4 constitute is in parallel with the circuit series of the contact of contactless switch B3 and resistance R 3 formations.
When locomotive during in down ramp utilization rheostatic brake, the 2nd closure of driver controller DRC, the coil of contactless switch B1 gets, make its contacting, diesel powerplant generating rectification is after the contact of contactless switch B1 provides exciting current to the traction motor excitation winding, and traction motor moves with the electrical generator state.When universal seclector DBGS places 1/40 (promptly 25 ‰), 1,2 closings of contact.When locomotive speed surpasses 5 miles per hours, the closing of contact of locomotive speed control relay LSCR.If at this moment the diesel engine cataphoretic failure is shut down; diesel powerplant is sent out can not provide excitation for traction motor; it is normally closed closed to shut down relay ERR; contactless switch B2 and B3 coil circuit are connected; the contact of storage battery process B2, B3 and resistance R 3 are kept the rheostatic brake of locomotive for traction motor provides excitation.When universal seclector DBGS placed 1/25 (i.e. 40 ‰ ramps), 1,2 and 3,4 contacts were all closed.If at this moment the diesel engine cataphoretic failure is shut down; diesel powerplant is sent out can not provide excitation for traction electric machine; it is normally closed closed to shut down relay ERR; the coil circuit of contactless switch B2, B3 and B4 is connected; the circuit parallel that storage battery process B2 contact and B3 contact, resistance R 3 and B4 contact, resistance R 4 constitute provides excitation for traction electric machine, keeps the rheostatic brake of locomotive.If needing to make exciting current on parameter is maxim, but resistance R 4 values are zero.
Claims (2)
1; a kind of diesel locomotive rheostatic brake conversion control device; comprise driver controller DRC and contactless switch B1; the contact 2 of driver controller DRC and the coil of contactless switch B1 are connected between the battery feed both positive and negative polarity; the excitation winding of traction motor is connected to the anode of rectifier cabinet by the contact of contactless switch B1; it is characterized in that also comprising universal seclector DBGS; contactless switch B2 and B3; shut down relay ERR; locomotive speed control relay LSCR; in control loop; the contact 1 and 2 of universal seclector DBGS; contactless coil B2 and B3 in parallel; shut down the normally closed contact of relay ERR; the contact in turn series connection back of locomotive speed control relay LSCR is in parallel with contactless coil B1; the excitation winding of traction motor is connected to the anode of battery feed by the contact of contactless switch B2, the negative terminal that contact and the resistance R 3 by contactless switch B3 is connected to battery feed.
2, diesel locomotive rheostatic brake conversion control device according to claim 1, the circuit series parallel connection that it is characterized in that can having in the control loop circuit series that at least one universal seclector contact 3 and 4 constitutes with the coil of contactless switch B4 and universal seclector contact 1 and 2, contactless coil B2 in parallel and B3 to constitute, the circuit series of the corresponding contact that at least one contactless switch B4 arranged in traction motor excitation winding loop and resistance R 4 formations is in parallel with the circuit series of the contact of contactless switch B3 and resistance R 3 formations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200161827U CN201102477Y (en) | 2007-11-27 | 2007-11-27 | Rheostatic braking switch control device of diesel locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200161827U CN201102477Y (en) | 2007-11-27 | 2007-11-27 | Rheostatic braking switch control device of diesel locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201102477Y true CN201102477Y (en) | 2008-08-20 |
Family
ID=39949497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200161827U Expired - Fee Related CN201102477Y (en) | 2007-11-27 | 2007-11-27 | Rheostatic braking switch control device of diesel locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201102477Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765406A (en) * | 2012-08-02 | 2012-11-07 | 中国北车集团大连机车车辆有限公司 | Emergency braking and rheostatic braking combined control device for locomotive brake |
| CN109474216A (en) * | 2017-09-08 | 2019-03-15 | 核工业西南物理研究院 | Impulse generator group electric braking power supply |
| CN114179620A (en) * | 2021-11-19 | 2022-03-15 | 中车永济电机有限公司 | Resistance braking circuit of engineering rail car |
| CN114212068A (en) * | 2021-11-24 | 2022-03-22 | 中车大连机车车辆有限公司 | Electric-air vacuum dual-mode braking system of diesel locomotive |
-
2007
- 2007-11-27 CN CNU2007200161827U patent/CN201102477Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765406A (en) * | 2012-08-02 | 2012-11-07 | 中国北车集团大连机车车辆有限公司 | Emergency braking and rheostatic braking combined control device for locomotive brake |
| CN102765406B (en) * | 2012-08-02 | 2015-08-05 | 中国北车集团大连机车车辆有限公司 | The emergency braking of locomotive brake gear and rheostatic brake Combined Control Unit |
| CN109474216A (en) * | 2017-09-08 | 2019-03-15 | 核工业西南物理研究院 | Impulse generator group electric braking power supply |
| CN114179620A (en) * | 2021-11-19 | 2022-03-15 | 中车永济电机有限公司 | Resistance braking circuit of engineering rail car |
| CN114179620B (en) * | 2021-11-19 | 2024-02-06 | 中车永济电机有限公司 | Resistance braking circuit of engineering railway car |
| CN114212068A (en) * | 2021-11-24 | 2022-03-22 | 中车大连机车车辆有限公司 | Electric-air vacuum dual-mode braking system of diesel locomotive |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080820 Termination date: 20161127 |