CN204304759U - Diesel locomotive traction convertor and diesel locomotive - Google Patents
Diesel locomotive traction convertor and diesel locomotive Download PDFInfo
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- CN204304759U CN204304759U CN201420734803.5U CN201420734803U CN204304759U CN 204304759 U CN204304759 U CN 204304759U CN 201420734803 U CN201420734803 U CN 201420734803U CN 204304759 U CN204304759 U CN 204304759U
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 53
- 238000001816 cooling Methods 0.000 claims abstract description 99
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 7
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 239000002826 coolant Substances 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model provides a kind of diesel locomotive traction convertor and diesel locomotive, and wherein, traction convertor comprises: power device, water-cooling base plate, water cooled pipeline, water-cooled pump and heat exchanger; Described power device is arranged on described water-cooling base plate; Described water-cooling base plate is provided with liquid inlet and liquid outlet, is communicated with respectively with the cooling duct being arranged on described water-cooling base plate inside; Described water cooled pipeline through described heat exchanger, and is connected with described liquid inlet and liquid outlet, to form cooling circuit between described water-cooling base plate and heat exchanger; Described coolant pump is arranged in described water cooled pipeline.The diesel locomotive traction convertor that the utility model provides and diesel locomotive to power model efficiently radiates heat, and can improve the utilance in diesel locomotive car bottom space.
Description
Technical Field
The utility model relates to a converter technique especially relates to a diesel locomotive pulls converter and diesel locomotive.
Background
The electric control part of the internal combustion locomotive mainly comprises a traction system and an auxiliary system, wherein the traction system also comprises a traction converter, a traction motor and other equipment, and the traction converter is used for providing a variable-frequency and variable-voltage power supply for the traction motor so as to drive the internal combustion locomotive to run. Because the traction converter of the diesel locomotive is of an alternating current-direct current-alternating current structure and the diesel generator set provides an energy source, the voltage fluctuation of a direct current bus in the traction converter is very large, and the traction converter has to play a role in voltage fluctuation so as to output a stable power supply signal. In the working process of the traction converter, the power devices in the traction converter frequently act, and if the heat emitted by the traction converter cannot be dissipated as soon as possible, the power devices are damaged due to high temperature.
The existing traction converter is cooled and radiated by a forced air cooling or walking air cooling structure, a large space is occupied due to the fact that a high-power fan is needed by forced air cooling, a radiator with a large volume is needed by walking air cooling, the large space is also occupied, and for a diesel locomotive, the utilization rate of the space at the bottom of a carriage is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a diesel locomotive pulls converter and diesel locomotive can effectively dispel the heat to power module, and can improve the utilization ratio in diesel locomotive carriage bottom space.
The embodiment of the utility model provides a diesel locomotive pulls converter, include: the device comprises a power device, a water-cooling substrate, a water-cooling pipeline, a water-cooling pump and a heat exchanger; wherein,
the power device is arranged on the water-cooling substrate;
the water-cooling substrate is provided with a liquid inlet and a liquid outlet which are respectively communicated with a cooling channel arranged inside the water-cooling substrate;
the water cooling pipeline penetrates through the heat exchanger and is connected with the liquid inlet and the liquid outlet so as to form a cooling loop between the water cooling substrate and the heat exchanger; the cooling pump is arranged in the water cooling pipeline.
The diesel locomotive traction converter further comprises control equipment; the control equipment is connected with the water-cooling pump and used for controlling the water-cooling pump to start or stop.
The diesel locomotive traction converter further comprises a fan; the blowing direction of the fan faces the heat exchanger.
The diesel locomotive traction converter further comprises control equipment; the control equipment is connected with the water-cooling pump and is used for controlling the water-cooling pump to start or stop; the control equipment is also connected with the fan and used for controlling the fan to start or stop.
The diesel locomotive traction converter further comprises at least one temperature sensor, the detection end of the temperature sensor is arranged on the water cooling pipeline, and the signal output end of the temperature sensor is connected with the control equipment.
The traction converter of the diesel locomotive further comprises at least one pressure sensor, the detection end of the pressure sensor is arranged on the water cooling pipeline, and the signal output end of the pressure sensor is connected with the control equipment.
According to the traction converter for the diesel locomotive, the power device is an insulated gate bipolar transistor IGBT.
According to the traction converter for the diesel locomotive, the cooling pipeline is a polyvinyl chloride pipe.
According to the traction converter for the diesel locomotive, the water-cooling base plate is an aluminum alloy plate.
Another embodiment of the present invention provides a diesel locomotive, including a diesel locomotive traction converter as described above.
The embodiment of the utility model provides a through adopting water-cooling pipeline and water-cooling pump, form cooling circuit with water-cooling base plate and radiator to liquid cooling's mode reduces the temperature of power device, and the cooling effect is better, and the less light in weight of each device volume that adopts occupies less space bottom the carriage, not only is favorable to alleviateing the vehicle dead weight, has still reduced the degree of difficulty of arranging of each part bottom the carriage, makes structural design compacter reasonable, can satisfy high-power radiating requirement.
Drawings
Fig. 1 is a schematic structural diagram of a traction converter of a diesel locomotive according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram ii of a traction converter of a diesel locomotive according to an embodiment of the present invention;
fig. 3 is a first schematic view of an installation structure of a traction converter of a diesel locomotive according to an embodiment of the present invention;
fig. 4 is a schematic view of a mounting structure of a traction converter of a diesel locomotive according to an embodiment of the present invention;
fig. 5 is a schematic view three of an installation structure of a traction converter of a diesel locomotive provided in an embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic structural diagram of a diesel locomotive traction converter provided in an embodiment of the present invention. As shown in fig. 1, the diesel locomotive traction converter provided in this embodiment includes: the device comprises a power device 1, a water-cooling substrate 2, a water-cooling pipeline 3, a water-cooling pump 4 and a heat exchanger 5. The power device 1 is disposed on the water-cooled substrate 2, and the water-cooled substrate 2 is provided with a liquid inlet 21 and a liquid outlet 22, which are respectively communicated with a cooling channel 23 disposed inside the water-cooled substrate 2. The water-cooling pipe 3 passes through the heat exchanger 5 and is connected with the liquid inlet 21 and the liquid outlet 22 to form a cooling circuit between the water-cooling substrate 2 and the heat exchanger 5, and the cooling circuit is filled with a coolant. A cooling pump 4 is disposed in the water-cooled pipe 3 for pressurizing the coolant in the water-cooled pipe 3 to drive the coolant to flow in the cooling circuit.
During the operation of the traction converter, the heat generated by the operation of the power device 1 is absorbed by the coolant flowing through the water-cooled base plate 2, and the coolant flows to the heat exchanger 5 along the cooling loop to exchange heat with the air around the heat exchanger 5, so that the heat of the coolant is absorbed by the air. The coolant leaves the heat exchanger 5 and flows to the water-cooled base plate 2 along the cooling loop to circularly dissipate the heat emitted by the power device 1.
This embodiment is through adopting water-cooling pipeline and water-cooling pump, forms cooling circuit with water-cooling base plate and radiator to liquid cooling's mode reduces the temperature of power device, and the cooling effect is better, and the less light in weight of each device volume that adopts occupies less space bottom the carriage, not only is favorable to alleviateing the vehicle dead weight, has still reduced the degree of difficulty of arranging of each part bottom the carriage, makes structural design compacter reasonable, can satisfy high-power radiating requirement.
The coolant may be any coolant commonly used in the art, such as pure water, freon, etc.
On the basis of the technical scheme, the traction converter can further comprise a control device, and the control device is connected with the water-cooling pump 4 and used for controlling the start and stop of the water-cooling pump 4. The control device can be a separate controller or can be integrated with a controller adopted by the traction control. If the control equipment is independently arranged, the control equipment can be communicated with each other through a network and a data line so as to ensure the coordinated operation of all the components in the traction converter.
Fig. 2 is a schematic structural diagram ii of a traction converter of a diesel locomotive according to an embodiment of the present invention. As shown in fig. 2, further, a fan 6 may be further disposed in the traction converter, and an air blowing direction of the fan 6 is directed toward the heat exchanger 5, so as to reduce the temperature of air around the heat exchanger 5 by means of forced air cooling, which is more favorable for reducing the temperature of the coolant flowing through the heat exchanger 5. The fan 6 may also be connected to a control device for controlling the start and stop of the fan 6 by means of the control device.
The control device can send an instruction by a technician to control the water-cooling pump 4 and/or the fan 6 to work, or the control device can also obtain current temperature data through a sensor and control the water-cooling pump 4 and/or the fan 6 to work according to the temperature data. Therefore, a temperature sensor can be adopted, the detection end is arranged on the water cooling pipeline 3, and the signal output end is connected with the control device and used for detecting the temperature of the water cooling pipeline 3 and transmitting the temperature to the control device. When the temperature of the coolant in the water cooling pipeline 3 is larger than a set value, the control equipment controls the fan 6 to work, and heat dissipation is accelerated. The specific position of the detection end of the temperature sensor on the water cooling pipeline 3 can be set by a technician, and the number of the temperature sensors can be at least one.
In addition, a pressure sensor can be arranged in the traction converter, the detection end of the pressure sensor is arranged on the water cooling pipeline 3, and the signal output end of the pressure sensor is connected with the control equipment and used for detecting the pressure of the water cooling pipeline 3.
Fig. 3 is the utility model provides a diesel locomotive pulls converter's mounting structure schematic diagram first, fig. 4 is the utility model provides a diesel locomotive pulls converter's mounting structure schematic diagram second, fig. 5 is the utility model provides a diesel locomotive pulls converter's mounting structure schematic diagram third. As shown in fig. 3 to 5, the traction converter of the internal combustion locomotive may further include a capacitor assembly, a contactor assembly, a fuse assembly, a reactor assembly, a wire inlet terminal assembly, a wire outlet terminal assembly, etc., which are all of a modular structure and are disposed in the traction converter box 7, so that installation, replacement, and maintenance are more convenient. A water-cooled base plate 2 in the traction converter is arranged in a box body 7, and a power device 1 is arranged on the water-cooled base plate 2. The heat exchanger 5 is connected with the water-cooling base plate 2 through the water-cooling pipeline 3 to form a cooling loop.
The power device 1 may be an Insulated Gate Bipolar Transistor (IGBT), or may be another power switch device commonly used in the prior art.
The cooling pipe 3 may be a polyvinyl chloride pipe, and specifically, a polyvinyl chloride pipe having high pressure resistance and high water resistance may be selected. The water-cooling substrate 2 can be made of aluminum alloy plate, and the heat conduction effect is good. The cooling pipeline 3 is connected with the liquid inlet 21 and the liquid outlet 22 on the water-cooling base plate 2 through pluggable pipe fittings, and the pipe fittings with good water drainage performance, good sealing performance, high strength and difficult deformation are selected for use.
The traction converter provided by the embodiment can work in the environment with the altitude lower than 2500m between 40 ℃ below zero and 40 ℃ above zero, and is designed according to the standard of the waterproof grade IP 65. The input rated voltage of a main circuit of the traction converter is 1500V direct current, the input voltage range is between 850V direct current and 1800V direct current, when the main circuit is powered off, the voltage of a support capacitor in a natural discharge state is less than 36V direct current, and the discharge time is less than 15 minutes; the voltage of the support capacitor in a chopping discharge state is less than 36V of direct current, and the discharge time is less than 10 seconds. In addition, when the traction converter works in a traction state, the voltage range of a rated output line of the traction converter is alternating current (0-1100) V, the frequency is (0-150) Hz, and the rated traction power is 500KW 4; when the traction converter works in a braking state, the rated output line voltage range is alternating current (0-1250) V, the frequency is (0-150) Hz, and the rated braking power is 600KW 4. The input rated voltage of a control circuit in the traction converter is 74V direct current, the input voltage is between 90V direct current and 130V direct current, and the Canopen communication standard protocol is adopted by the traction converter and a train network system.
This embodiment still provides a diesel locomotive, including above-mentioned diesel locomotive traction converter, through adopting water-cooling pipeline and water-cooling pump, form cooling circuit with water-cooling base plate and radiator, come the temperature that reduces power device with liquid cooling's mode, the cooling effect is better, and the less light in weight of each device volume that adopts, occupy less space bottom the carriage, not only be favorable to alleviateing the vehicle dead weight, still reduced the degree of difficulty of arranging of each part of bottom the carriage, make structural design compacter reasonable, can satisfy high-power radiating requirement, and its water-cooling function is comparatively perfect, can realize effective control again, the reliability is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A diesel locomotive traction converter, comprising: the device comprises a power device, a water-cooling substrate, a water-cooling pipeline, a water-cooling pump and a heat exchanger; wherein,
the power device is arranged on the water-cooling substrate;
the water-cooling substrate is provided with a liquid inlet and a liquid outlet which are respectively communicated with a cooling channel arranged inside the water-cooling substrate;
the water cooling pipeline penetrates through the heat exchanger and is connected with the liquid inlet and the liquid outlet so as to form a cooling loop between the water cooling substrate and the heat exchanger; the cooling pump is arranged in the water cooling pipeline.
2. The diesel locomotive traction converter according to claim 1, further comprising a control device; the control equipment is connected with the water-cooling pump and used for controlling the water-cooling pump to start or stop.
3. The diesel locomotive traction converter according to claim 1, further comprising a fan; the blowing direction of the fan faces the heat exchanger.
4. The diesel locomotive traction converter according to claim 3, further comprising a control device; the control equipment is connected with the water-cooling pump and is used for controlling the water-cooling pump to start or stop; the control equipment is also connected with the fan and used for controlling the fan to start or stop.
5. The diesel locomotive traction converter according to claim 2 or 4, further comprising at least one temperature sensor, wherein a detection end of the temperature sensor is arranged on the water cooling pipeline, and a signal output end of the temperature sensor is connected with the control device.
6. The diesel locomotive traction converter according to claim 5, further comprising at least one pressure sensor, wherein a detection end of the pressure sensor is arranged on the water cooling pipeline, and a signal output end of the pressure sensor is connected with the control device.
7. The diesel traction converter according to claim 1, wherein the power device is an Insulated Gate Bipolar Transistor (IGBT).
8. The diesel locomotive traction converter according to claim 1, wherein the cooling conduit is a polyvinyl chloride pipe.
9. The diesel locomotive traction converter according to claim 1, wherein the water-cooled base plate is an aluminum alloy plate.
10. A diesel locomotive comprising a diesel locomotive traction converter according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734803.5U CN204304759U (en) | 2014-11-28 | 2014-11-28 | Diesel locomotive traction convertor and diesel locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734803.5U CN204304759U (en) | 2014-11-28 | 2014-11-28 | Diesel locomotive traction convertor and diesel locomotive |
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| Publication Number | Publication Date |
|---|---|
| CN204304759U true CN204304759U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420734803.5U Active CN204304759U (en) | 2014-11-28 | 2014-11-28 | Diesel locomotive traction convertor and diesel locomotive |
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| Country | Link |
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| CN (1) | CN204304759U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438192A (en) * | 2015-12-09 | 2016-03-30 | 中车大连机车研究所有限公司 | Heat exchange module for locomotive |
| CN105703604A (en) * | 2014-11-28 | 2016-06-22 | 中车大连电力牵引研发中心有限公司 | Diesel locomotive traction transformer and diesel locomotive |
| CN108336049A (en) * | 2018-03-13 | 2018-07-27 | 宝鸡石油机械有限责任公司 | Power device active heat radiating device in a kind of explosion-proof tank |
-
2014
- 2014-11-28 CN CN201420734803.5U patent/CN204304759U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703604A (en) * | 2014-11-28 | 2016-06-22 | 中车大连电力牵引研发中心有限公司 | Diesel locomotive traction transformer and diesel locomotive |
| CN105438192A (en) * | 2015-12-09 | 2016-03-30 | 中车大连机车研究所有限公司 | Heat exchange module for locomotive |
| CN105438192B (en) * | 2015-12-09 | 2018-05-29 | 中车大连机车研究所有限公司 | A kind of locomotive heat exchange module |
| CN108336049A (en) * | 2018-03-13 | 2018-07-27 | 宝鸡石油机械有限责任公司 | Power device active heat radiating device in a kind of explosion-proof tank |
| CN108336049B (en) * | 2018-03-13 | 2020-07-21 | 宝鸡石油机械有限责任公司 | Active heat dissipation device for power device in explosion-proof box |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 116045 Liaoning province Dalian City Lushun Economic Development Zone Dalian Hao Yang No. 1 North Street Patentee after: CRRC DALIAN ELECTRIC TRACTION R & D CENTER CO., LTD. Address before: 116045 Liaoning province Dalian City Lushun Economic Development Zone Dalian Hao Yang No. 1 North Street Patentee before: Co., Ltd of Bei Che Dalian Electric Traction R & D Center |