CN210660297U - Emergency diesel generator set system for plateau motor train unit - Google Patents
Emergency diesel generator set system for plateau motor train unit Download PDFInfo
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- CN210660297U CN210660297U CN201921555424.9U CN201921555424U CN210660297U CN 210660297 U CN210660297 U CN 210660297U CN 201921555424 U CN201921555424 U CN 201921555424U CN 210660297 U CN210660297 U CN 210660297U
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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
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Abstract
The utility model discloses an emergency diesel generator set system for a plateau motor train unit, which comprises a four-quadrant rectifier cabinet, an asynchronous generator, a diesel engine, an air compression cylinder and an air storage tank; the air compression cylinder comprises a cylinder body, a piston arranged in the cylinder body and a piston driving mechanism for driving the piston to reciprocate in the cylinder body; the piston driving mechanism is connected with an output shaft of the diesel engine, an air inlet and an air outlet are arranged on the cylinder body, an air inlet valve is arranged in the air inlet, an exhaust valve is arranged in the air outlet, the air outlet is connected with an air inlet end of the air storage tank through a first pipeline, and an air outlet end of the air storage tank is connected with the air inlet of the diesel engine through a second pipeline. The system can input air with higher concentration into the diesel engine in the regions with thin air such as plateaus and the like, and ensures the sufficient combustion of the diesel engine so as to ensure that the diesel engine has higher output power.
Description
Technical Field
The utility model relates to a locomotive field, concretely relates to emergent diesel generator set system for plateau EMUs.
Background
The motor train unit on the plateau drives the motor train unit to run by adopting an external power grid electricity taking mode, the motor train unit needs to run on the plateau and faces extreme conditions of severe plateau environment, cold weather all year round and oxygen shortage, once the external power grid is powered off or the motor train unit is damaged by parts which are in contact with the external power grid and receive electricity, the motor train unit loses power, and devices which concern passenger personal safety, such as an oxygen generator of the motor train unit, an air conditioner and important systems on the motor train unit, stop running. Therefore, in order to solve the above situation, an emergency diesel generator set needs to be additionally installed on the plateau motor train unit.
However, in the plateau area, with the continuous rise of the altitude, the atmospheric pressure and the oxygen content in the air are continuously reduced, the oxygen amount entering the diesel engine is reduced, and further the diesel engine is insufficiently combusted, so that the power of the diesel engine is reduced, and even the diesel engine cannot work normally.
SUMMERY OF THE UTILITY MODEL
The utility model provides an emergent diesel generating set system for plateau EMUs has solved current diesel generator and has thin because of the air in plateau district, causes the burning insufficient, influences output's problem.
The utility model discloses a technical means as follows:
an emergency diesel generator set system for a plateau motor train unit comprises a four-quadrant rectifier cabinet, an asynchronous generator, a diesel engine, an air compression cylinder and an air storage tank; the air compression cylinder comprises a cylinder body, a piston arranged in the cylinder body and a piston driving mechanism for driving the piston to reciprocate in the cylinder body; the piston driving mechanism is connected with an output shaft of the diesel engine, an air inlet and an air outlet are arranged on the cylinder body, an air inlet valve is arranged in the air inlet, an exhaust valve is arranged in the air outlet, the air outlet is connected with an air inlet end of the air storage tank through a first pipeline, and an air outlet end of the air storage tank is connected with the air inlet of the diesel engine through a second pipeline.
Further, the piston driving mechanism comprises a driving shaft, a first connecting rod and a second connecting rod, the driving shaft is installed in the cylinder body, one end of the driving shaft is connected with an output shaft of the diesel engine, one end of the first connecting rod is connected with the driving shaft, the other end of the first connecting rod is hinged with one end of the second connecting rod, and the other end of the second connecting rod is hinged with the piston.
Further, still include gas holder cooling water tank, the gas holder sets up in the gas holder cooling water tank, gas holder cooling water tank is equipped with the cooling water and holds the space, be equipped with water inlet and delivery port on the gas holder cooling water tank, gas holder cooling water tank's water inlet is connected with the delivery port of cooling tower through the third pipeline, gas holder cooling water tank's delivery port passes through the fourth pipeline and is connected with the return water mouth of cooling tower.
Further, the cooling water circulation device comprises a first pipeline sleeve, wherein part of the first pipeline is arranged in the first pipeline sleeve, a cooling water flow cavity is formed between the first pipeline and the first pipeline sleeve, one end of the first pipeline sleeve is connected with the cooling water tank of the gas storage tank, the other end of the first pipeline sleeve is connected with a third pipeline, and the third pipeline, the cooling water flow cavity and the cooling water containing space are sequentially communicated.
Further, a pressure control valve is further arranged on the second pipeline.
Further, the device also comprises a fuel oil coarse filter, a cooling water preheater and a diesel engine lubricating oil heater.
Compared with the prior art, an emergent diesel generator group system for plateau EMUs have following beneficial effect: by arranging the air compression cylinder and the air storage tank, the air compression cylinder is driven by the diesel engine to compress air and is input into the diesel engine through the air storage tank, so that the air input into the diesel engine is ensured to have higher density, the oxygen content is improved, the diesel engine can be fully combusted, and the output power is ensured; meanwhile, the air compression cylinder is directly driven by an output shaft at the free end of the diesel engine, so that an additional power source is not needed, the structure is simplified, and the volume of the system is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an emergency diesel generator set system for a plateau motor train unit disclosed by the invention;
FIG. 2 is a schematic view of the air compression cylinder;
FIG. 3 is a schematic view of a piston drive mechanism for the air compression cylinder;
FIG. 4 is a schematic structural view (cross-sectional view) of an air tank and an air tank cooling water tank;
FIG. 5 is a block diagram of an air reservoir bracket;
FIG. 6 is an enlarged view of portion A of FIG. 1;
fig. 7 is a schematic view (cross-sectional view) of the connection of the first conduit to the first conduit sleeve.
In the figure: 1. a four-quadrant rectifier cabinet, 2, an asynchronous generator, 3, a diesel engine, 4, an air compression cylinder, 40, a cylinder body, 41, a piston, 42, a piston driving mechanism, 400, an air inlet of the air compression cylinder, 401, an air outlet of the air compression cylinder, 402, a first pipeline, 403, a second pipeline, 404, an air inlet valve, 405, an exhaust valve, 420, a driving shaft, 421, a first connecting rod, 422, a second connecting rod, 5, an air storage tank, 50, an air storage tank cooling water tank, 500, an air inlet of the air storage tank cooling water tank, 501, a water outlet of the air storage tank cooling water tank, 51, a cooling water containing space, 52, a third pipeline, 53, a fourth pipeline, 54, a first pipeline sleeve, 540, a cooling water flowing cavity, 55, an air storage tank bracket, 550, a flowing water channel, 551, an installation hole, 56, a sealing cover, 60, a cooling tower, 61, a fuel oil strainer, 62 and a cooling, 63. a diesel engine lubricating oil heater.
Detailed Description
The utility model discloses an emergent diesel generating set system for plateau EMUs as shown in FIG. 1, including four-quadrant rectifier cabinet 1, asynchronous generator 2 and diesel engine 3, four-quadrant rectifier cabinet 1 is connected with on-vehicle battery module, asynchronous generator 2 respectively, asynchronous generator 2 with diesel engine 3 is connected, and after external electric wire netting outage or EMUs damaged with the part that external electric wire netting contacted the electricity receiving, four-quadrant rectifier cabinet 1 got the electricity from the on-vehicle battery module of plateau EMUs, and drive asynchronous generator 2 after carrying out the first quadrant rectification and rotate, and asynchronous generator 2 drives diesel engine 3 and operates, accomplishes the ignition of diesel engine after the operating speed reaches the start-up speed of diesel engine 3; after the diesel engine 3 is started, the diesel engine 3 drives the asynchronous generator 2 to rotate so as to generate electricity by the asynchronous generator 2, at the moment, the four-quadrant rectifier cabinet 1 enters the fourth quadrant to work, and electricity generated by the asynchronous generator 2 is rectified so as to provide required electric energy for the motor train unit.
The utility model discloses an emergency diesel generator set system for a plateau motor train unit, which also comprises an air compression cylinder 4 and an air storage tank 5; specifically, as shown in fig. 1, 2, and 3, the air compression cylinder 4 includes a cylinder 40, a piston 41 provided in the cylinder 40, and a piston drive mechanism 42 that drives the piston 41 to reciprocate in the cylinder 40; the piston driving mechanism 42 comprises a driving shaft 420, a first connecting rod 421 and a second connecting rod 422, the driving shaft 420 is installed in the cylinder 40, one end of the driving shaft 420 extends out of the cylinder 40 and is connected with an output shaft at the free end of the diesel engine 3 through a coupler, the driving shaft 420 is arranged in the cylinder 40 and is connected with one end of the first connecting rod 421 through a key, the other end of the first connecting rod 421 is hinged with one end of the second connecting rod 422, the other end of the second connecting rod 422 is hinged with the piston 41, the driving shaft 420, the first connecting rod 421, the second connecting rod 422 and the piston 41 form a connecting rod mechanism, the cylinder 40 is provided with an air inlet 400 and an air outlet 401, the air inlet 400 is provided with an air inlet valve 404, the air outlet 401 is provided with an exhaust valve 405, and the air outlet 401 is connected with the air inlet end of the air storage tank 5, the air outlet end of the air storage tank 5 is connected with the air inlet of the diesel engine 3 through a second pipeline 403. The output shaft of diesel engine free end can drive shaft 420 and rotate, and through first connecting rod 421 and second connecting rod 422 drive piston 41 reciprocating motion in cylinder 40, when the piston moved to the other end from the one end that is equipped with the air inlet and outlet mouth, the admission valve was opened, discharge valve closed, the air enters into the cylinder body from the external world, when the piston moved to the one end that is equipped with the air inlet and outlet mouth from the other end, the admission valve was closed, discharge valve opened, compress the air in the air compression jar and carry to the gas holder through first pipeline, the gas holder can carry the air after the compression to the diesel engine through the second pipeline.
In plateau district, along with the continuous rising of height above sea level, the continuous decline of oxygen content in atmospheric pressure and the air, the oxygen volume that gets into in the diesel engine reduces, and then leads to the diesel engine burning to insufficiently cause its power to reduce, can't normally work even, the utility model discloses in, through setting up the air compression jar, the piston reciprocating motion of an output shaft connection and the drive air compression jar of diesel engine free end, the reciprocating motion of piston realizes the suction and the compression to the air, and pass through discharge valve storage to the gas holder with the air of compression in, later the gas holder can be with compressed air input to the diesel engine in, because the air is compressed, air density increases, has increased the oxygen content, can guarantee that the diesel engine burning is abundant, with the output of guaranteeing the diesel engine, and then guarantee the generated energy of one-step generator, guarantee the normal operating of. The air compression cylinder is directly driven by an output shaft at the free end of the diesel engine, so that an additional power source is not needed, the structure is simplified, and the volume of the system is reduced.
Further, as shown in fig. 1 and 4, the cooling water tank further includes a tank cooling water tank 50, two ends of the tank 5 are provided with tank brackets 55, as shown in fig. 5, the tank brackets 55 are provided with tank mounting holes 551 matching with the structure of the outer wall of the tank, the tank mounting holes are square holes in the figures, the outer edges of the tank brackets can be fixed in the inner wall of the tank cooling water tank 50, so as to suspend the tank 5 in the tank cooling water tank 50, a cooling water containing space 51 is formed between the tank 5 and the tank cooling water tank 50, the tank brackets are provided with a water flow channel 550, in this embodiment, the inner wall of the tank cooling water tank 50 is a circular structure, therefore, for convenience of processing and installation, the tank brackets are circular plate structures, the center of the circular plate is provided with tank mounting holes 551, a plurality of circular holes are circumferentially formed on the circular plate as the water, be equipped with water inlet 500 and delivery port 501 on the gas holder cooling water tank 50, gas holder cooling water tank's water inlet 500 is connected with the delivery port of cooling tower 60 through third pipeline 52, gas holder cooling water tank's delivery port 501 is connected with the return water mouth of cooling tower 60 through fourth pipeline 53, and the air of compressing and saving to the gas holder by the air compression jar has higher temperature, can reduce the density of air in the gas holder, influences the oxygen content of air, the utility model discloses in, the gas holder sets up in the gas holder cooling water tank, gas holder cooling water tank and cooling tower intercommunication, in the low temperature water accessible third pipeline in the cooling tower gets into the gas holder cooling water tank for lower the temperature to the gas holder, and then improve the density of air in the gas holder, with the density of air in improving the input to the diesel engine, guarantee that the burning of diesel engine is. The tank support 55 may also take other configurations, such as a plurality of support rods secured directly to the outer wall of the tank.
Further, as shown in fig. 1, 6 and 7, a first pipe sleeve 54 is further included, one end of the first pipe sleeve 54 is connected to a water inlet of the air storage tank 50, a portion of a first pipe 402 located outside the air storage tank 50 is disposed in the first pipe sleeve 54, a cover 56 is disposed at one end of the first pipe sleeve 54 adjacent to the air compression cylinder, a cooling water flow chamber 540 is formed between the first pipe 402 and the first pipe sleeve 54, one end of the first pipe 402 adjacent to the air compression cylinder 4 is extended from the first pipe sleeve 54 and then connected to a gas outlet of the air compression cylinder, one end of the first pipe sleeve 54 having the cover 56 is further connected to a third pipe 52, the cooling water flow chamber 540 and the cooling water accommodating space 51 are sequentially communicated, cooling water output from the cooling tower 60 flows into the cooling water flow chamber 540 through the third pipe 52, and enters the cooling water containing space 51 through the cooling water flowing chamber 540, and is provided with a first pipeline sleeve to cool the first pipeline, so that the temperature of the compressed air is sufficiently reduced, and the compressed air in the air storage tank has higher density. The cooling tower 60 is also used for cooling the diesel engine 3, and ensuring that the diesel engine reaches normal output power.
Further, a pressure control valve is further disposed on the second pipeline 403, and when the gas pressure inside the gas storage tank 5 is greater than the set tank pressure value, the pressure control valve is opened to release gas until the gas pressure inside the gas storage tank 5 meets the set tank pressure value, and the pressure control valve is closed.
The emergency diesel generator set system of the plateau motor train unit is further provided with a fuel oil coarse filter 61, a cooling water preheater 62 and a diesel engine lubricating oil heater 63, wherein the cooling water preheater and the diesel engine lubricating oil heater respectively provide continuous heating for fuel oil, diesel engine cooling water and diesel engine oil, and guarantee cold start of the diesel engine in a low-temperature environment.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an emergent diesel generating set system for plateau EMUs, includes four-quadrant rectifier cabinet (1), asynchronous generator (2) and diesel engine (3), its characterized in that: the air compressor also comprises an air compression cylinder (4) and an air storage tank (5);
the air compression cylinder (4) comprises a cylinder body (40), a piston (41) arranged in the cylinder body (40) and a piston driving mechanism (42) for driving the piston (41) to reciprocate in the cylinder body (40);
piston actuating mechanism (42) with the output shaft of diesel engine (3) is connected, be equipped with air inlet (400) and gas outlet (401) on cylinder body (40), be equipped with admission valve (404) in air inlet (400), be equipped with discharge valve (405) in gas outlet (401), gas outlet (401) through first pipeline (402) with the inlet end of gas holder (5) is connected, the end of giving vent to anger of gas holder (5) through second pipeline (403) with the air inlet of diesel engine (3) is connected.
2. The emergency diesel-electric generator set system for high altitude motor train units of claim 1, wherein: the piston driving mechanism (42) comprises a driving shaft (420), a first connecting rod (421) and a second connecting rod (422), the driving shaft (420) is installed in the cylinder body (40), one end of the driving shaft (420) is connected with an output shaft of the diesel engine (3), one end of the first connecting rod (421) is connected with the driving shaft (420), the other end of the first connecting rod is hinged with one end of the second connecting rod (422), and the other end of the second connecting rod (422) is hinged with the piston (41).
3. The emergency diesel generator set system for high altitude motor train units according to claim 1 or 2, wherein: still include gas holder cooling water tank (50), gas holder (5) set up in gas holder cooling water tank (50), gas holder cooling water tank (50) are equipped with cooling water accommodation space (51), be equipped with water inlet and delivery port on gas holder cooling water tank (50), the water inlet of gas holder cooling water tank (50) is connected with the delivery port of cooling tower (60) through third pipeline (52), the delivery port of gas holder cooling water tank (50) is connected with the return water mouth of cooling tower (60) through fourth pipeline (53).
4. The emergency diesel-electric generator set system for high altitude motor train units of claim 3, wherein: the cooling water circulation device is characterized by further comprising a first pipeline sleeve (54), wherein part of the first pipeline (402) is arranged in the first pipeline sleeve (54), a cooling water flowing cavity (540) is formed between the first pipeline (402) and the first pipeline sleeve (54), one end of the first pipeline sleeve (54) is connected with the cooling water tank (50) of the air storage tank, the other end of the first pipeline sleeve is connected with the third pipeline (52), and the third pipeline (52), the cooling water flowing cavity (540) and the cooling water containing space (51) are sequentially communicated.
5. The emergency diesel-electric generator set system for high altitude motor train units of claim 1, wherein: and a pressure control valve is also arranged on the second pipeline (403).
6. The emergency diesel-electric generator set system for high altitude motor train units of claim 1, wherein: the diesel engine lubricating oil heating system also comprises a fuel oil coarse filter (61), a cooling water preheater (62) and a diesel engine lubricating oil heater (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921555424.9U CN210660297U (en) | 2019-09-18 | 2019-09-18 | Emergency diesel generator set system for plateau motor train unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921555424.9U CN210660297U (en) | 2019-09-18 | 2019-09-18 | Emergency diesel generator set system for plateau motor train unit |
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| CN210660297U true CN210660297U (en) | 2020-06-02 |
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| CN201921555424.9U Active CN210660297U (en) | 2019-09-18 | 2019-09-18 | Emergency diesel generator set system for plateau motor train unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469394A (en) * | 2019-09-18 | 2019-11-19 | 中车大连机车研究所有限公司 | A kind of diesel emergency generating set system for plateau EMU |
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2019
- 2019-09-18 CN CN201921555424.9U patent/CN210660297U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469394A (en) * | 2019-09-18 | 2019-11-19 | 中车大连机车研究所有限公司 | A kind of diesel emergency generating set system for plateau EMU |
| CN110469394B (en) * | 2019-09-18 | 2024-04-30 | 中车大连机车研究所有限公司 | Emergency diesel generator set system for plateau motor train unit |
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