CN220134084U - Air switch air supply system for controlling starting of diesel engine - Google Patents
Air switch air supply system for controlling starting of diesel engine Download PDFInfo
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- CN220134084U CN220134084U CN202321784800.8U CN202321784800U CN220134084U CN 220134084 U CN220134084 U CN 220134084U CN 202321784800 U CN202321784800 U CN 202321784800U CN 220134084 U CN220134084 U CN 220134084U
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 18
- 230000003139 buffering effect Effects 0.000 claims 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides an air switch air supply system for controlling the starting of a diesel engine, which comprises a filter, an air compressor, an oil-gas separator, a one-way valve, a buffer pressure stabilizing tank and a pressure reducing nozzle which are connected in sequence; the pressure reducing nozzle is connected with a diesel engine through a check valve to form a starting passage, and is connected with a pressure relief discharge pipeline through a normally closed valve to form a pressure relief passage. According to the utility model, the working state of the air compressor is adjusted through the pressure detection of the buffer pressure stabilizing tank and the output pipeline, so that the stability of an air source in the working process is ensured; the pressure is reduced by adopting the pressure reducing nozzle, so that the whole volume of the system can be reduced, and the whole manufacturing cost of the system is effectively reduced; and the pressure relief passage is additionally arranged, so that the maintainability and the use safety of the system are improved.
Description
Technical Field
The utility model relates to an air switch air supply system for controlling the starting of a diesel engine.
Background
The diesel engine is changed from a static state to an operating state, and the engine can be continuously and circularly operated by generating power through the processes of initial air intake, compression, combustion work and the like by pushing the crankshaft to rotate under the help of external force. The whole process from the standstill state to the starting operation of the engine is completed by a series of devices required for starting, namely a starting system of the diesel engine. The vast majority of high-power diesel engines are started by compressed air, because each moving part of the diesel engine has large weight, and the inertial force and resistance of the starting direction are large.
Most of the existing diesel engine pneumatic starting systems need an air compressor to be matched with each other, so that the problems that the power supply of small power generation equipment is insufficient, the air compressor cannot be started, high-power equipment is not available in an electricity-free mode and the like under the extreme power failure environment are solved.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the air switch air supply system for controlling the starting of the diesel engine, which provides an air source with stable working conditions for the safe and rapid starting of the diesel engine, has the characteristics of high efficiency, energy saving, economy and environmental protection, and has great popularization value.
The utility model is realized by the following technical scheme.
The utility model provides an air switch air supply system for controlling the starting of a diesel engine, which comprises a filter, an air compressor, an oil-gas separator, a one-way valve, a buffer pressure stabilizing tank and a pressure reducing nozzle which are sequentially connected; the pressure reducing nozzle is connected with a diesel engine through a check valve to form a starting passage, and is connected with a pressure relief discharge pipeline through a normally closed valve to form a pressure relief passage.
The air compressor is connected with a motor, and a valve is arranged between the air compressor and the filter.
One end of the filter is provided with an air suction inlet which is communicated with the atmosphere.
And a first normally open valve is arranged between the air compressor and the oil-gas separator.
A first switch valve is arranged between the oil-gas separator and the one-way valve.
The upper end of the buffer pressure stabilizing tank is provided with a safety valve, the lower end of the buffer pressure stabilizing tank is provided with a discharge outlet, one side of the buffer pressure stabilizing tank is provided with a first pressure gauge, and the other side of the buffer pressure stabilizing tank is provided with a third switch valve; a fifth switch valve and a sixth switch valve are sequentially arranged between the discharge port and the buffer pressure stabilizing tank, and a second switch valve is arranged between the first pressure gauge and the buffer pressure stabilizing tank.
The outlet of the pressure relief pipeline is positioned between the fifth switch valve and the sixth switch valve, and the third switch valve is positioned between the buffer pressure stabilizing tank and the pressure reducing nozzle.
A second normally open valve and a second pressure gauge are sequentially arranged between the depressurization nozzle and the check valve, and a fourth switch valve is arranged between the second pressure gauge and the second normally open valve.
The fourth switch valve is connected with the second normally open valve and the check valve in parallel, and an inlet of a pressure relief pipeline is arranged between the pressure reducing nozzle and the second normally open valve.
The utility model has the beneficial effects that: the working state of the air compressor is adjusted through the pressure detection of the buffer pressure stabilizing tank and the output pipeline, so that the stability of an air source in the working process is ensured; the pressure is reduced by adopting the pressure reducing nozzle, so that the whole volume of the system can be reduced, and the whole manufacturing cost of the system is effectively reduced; and the pressure relief passage is additionally arranged, so that the maintainability and the use safety of the system are improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure: 1-air suction inlet, 2-filter, 3-valve, 4-motor, 5-air compressor, 6-first normally open valve, 7-oil-gas separator, 8-first switch valve, 9-check valve, 10-first manometer, 11-second switch valve, 12-buffer surge tank, 13-relief valve, 14-third switch valve, 15-depressurization nozzle, 16-second normally open valve, 17-second manometer, 18-fourth switch valve, 19-check valve, 20-diesel engine, 21-normally closed valve, 22-fifth switch valve, 23-sixth switch valve, 24-discharge port.
Detailed Description
The technical solution of the present utility model is further described below, but the scope of the claimed utility model is not limited to the above.
As shown in fig. 1, an air switch air supply system for controlling the starting of a diesel engine is provided with an air compressor 5, the air compressor 5 provides power through a motor 4, an air suction inlet 1 communicated with the atmosphere is arranged at the inlet end of the air compressor 5, a filter 2 and a valve 3 are arranged between the air compressor and the air suction inlet 1, the filter 2 is used for filtering solid particles in the air to protect the air compressor 5, a buffer surge tank 12 is arranged at the outlet end of the air compressor 5, a normally open valve 6, an oil-gas separator 7, a switching valve 8 and a one-way valve 9 are arranged between the air compressor 5 and the buffer surge tank 12, the oil-gas separator 7 is used for purifying the air with oil after passing through the air compressor 5, the one-way valve 9 is used for preventing the backflow of the compressed air in the buffer surge tank 12, a pressure gauge 10 and the switching valve 11 thereof are arranged on the buffer surge tank 12, a safety valve 13 arranged on the buffer surge tank 12 is used for safety pressure relief, a condensate discharge port is arranged at the lower end of the buffer surge tank 12 and a switching valve 22 is arranged, the switching valve 14 is arranged behind the buffer surge tank 12, the switching valve 14 is connected with a depressurization nozzle 15, and the two-way diesel engine 20 is provided after the depressurization nozzle 15 is separated into two ways for starting power.
Further, the pressure reducing nozzle 15 is divided into two paths, a normally open valve 16 and a normally closed valve 21 are respectively arranged, a check valve 19 is arranged behind the normally open valve 16, the check valve 19 is directly connected with the diesel engine 20, a pressure gauge 17 and a switch valve 18 thereof are arranged between the normally open valve 16 and the check valve 19, and the working state of the air compressor 5 is regulated by observing the readings of the pressure gauge 10 and the pressure gauge 17; the pipeline where the normally closed valve 21 is located is converged into the pipeline where the switch valve 22 is located to form a pressure relief passage, the pressure relief passage is provided with a main switch valve 23, a discharge port 24 is arranged behind the main switch valve 23, and condensed water and discharged gas are discharged through the discharge port 24.
Working principle: before the system works, the air compressor 5 compresses air into the buffer pressure stabilizing tank 12, after the pressure in the tank reaches a certain value, the switch valve 8 and the air compressor 5 are closed, when the system works, the switch valve 14 is opened, high-pressure air in the buffer pressure stabilizing tank 12 flows into the diesel engine after being depressurized and accelerated through the depressurization nozzle 15, so that the diesel engine is started, after the diesel engine is started, the switch valve 14 is closed, then the air compressor 5 is started, and the switch valve 8 is opened to supplement air into the buffer pressure stabilizing tank 12 to a set value, and by repeating the steps, a stable air source is provided for the starting of the diesel engine.
Claims (9)
1. The utility model provides an air switch air feed system that control diesel engine starts, includes filter (2), air compressor (5), oil and gas separator (7), check valve (9), buffering surge tank (12) and depressurization nozzle (15) that connect gradually, its characterized in that: the depressurization nozzle (15) is connected with a diesel engine (20) through a check valve (19) to form a starting passage, and the depressurization nozzle (15) is connected with a pressure relief discharge pipeline through a normally closed valve (21) to form a pressure relief passage.
2. An air switch air supply system for controlling the start of a diesel engine as set forth in claim 1 wherein: the air compressor (5) is connected with a motor (4), and a valve (3) is arranged between the air compressor (5) and the filter (2).
3. An air switch air supply system for controlling the start of a diesel engine as set forth in claim 1 wherein: one end of the filter (2) is provided with an air suction inlet (1), and the air suction inlet (1) is communicated with the atmosphere.
4. An air switch air supply system for controlling the start of a diesel engine as set forth in claim 1 wherein: a first normally open valve (6) is arranged between the air compressor (5) and the oil-gas separator (7).
5. An air switch air supply system for controlling the start of a diesel engine as set forth in claim 1 wherein: a first switch valve (8) is arranged between the oil-gas separator (7) and the one-way valve (9).
6. An air switch air supply system for controlling the start of a diesel engine as set forth in claim 1 wherein: the upper end of the buffering pressure stabilizing tank (12) is provided with a safety valve (13), the lower end of the buffering pressure stabilizing tank is provided with a discharge outlet (24), one side of the buffering pressure stabilizing tank is provided with a first pressure gauge (10), and the other side of the buffering pressure stabilizing tank is provided with a third switch valve (14); a fifth switch valve (22) and a sixth switch valve (23) are sequentially arranged between the discharge port (24) and the buffer surge tank (12), and a second switch valve (11) is arranged between the first pressure gauge (10) and the buffer surge tank (12).
7. An air switch air supply system for controlling the start of a diesel engine as set forth in claim 1 wherein: the outlet of the pressure relief discharge pipeline is positioned between a fifth switch valve (22) and a sixth switch valve (23), and the third switch valve (14) is positioned between the buffer surge tank (12) and the pressure reducing nozzle (15).
8. An air switch air supply system for controlling the start of a diesel engine as set forth in claim 1 wherein: a second normally open valve (16) and a second pressure gauge (17) are sequentially arranged between the depressurization nozzle (15) and the check valve (19), and a fourth switch valve (18) is arranged between the second pressure gauge (17) and the second normally open valve (16).
9. An air switch air supply system for controlling the start of a diesel engine as defined in claim 8 wherein: the fourth switch valve (18) is connected with the second normally open valve (16) and the check valve (19) in parallel, and an inlet of a pressure relief discharge pipeline is arranged between the pressure reducing nozzle (15) and the second normally open valve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321784800.8U CN220134084U (en) | 2023-07-07 | 2023-07-07 | Air switch air supply system for controlling starting of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321784800.8U CN220134084U (en) | 2023-07-07 | 2023-07-07 | Air switch air supply system for controlling starting of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220134084U true CN220134084U (en) | 2023-12-05 |
Family
ID=88961647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321784800.8U Active CN220134084U (en) | 2023-07-07 | 2023-07-07 | Air switch air supply system for controlling starting of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220134084U (en) |
-
2023
- 2023-07-07 CN CN202321784800.8U patent/CN220134084U/en active Active
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