CN201679590U - Temperature-increasing oil supply compensation system of diesel motor and oil supply compensator thereof - Google Patents
Temperature-increasing oil supply compensation system of diesel motor and oil supply compensator thereof Download PDFInfo
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- CN201679590U CN201679590U CN2010202008113U CN201020200811U CN201679590U CN 201679590 U CN201679590 U CN 201679590U CN 2010202008113 U CN2010202008113 U CN 2010202008113U CN 201020200811 U CN201020200811 U CN 201020200811U CN 201679590 U CN201679590 U CN 201679590U
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- 239000000446 fuel Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 144
- 239000002283 diesel fuel Substances 0.000 description 31
- 239000007789 gas Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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Abstract
The utility model discloses a temperature-increasing oil supply compensation system of a diesel motor, comprising an oil tank, a diesel motor, a high-pressure oil pump and an oil transfer pump. An oil supply pipe is arranged between the oil transfer pump and the oil tank; oil return pipes are arranged on the high-pressure oil pump and a plurality of oil nozzles of the diesel motor; the oil tank is provided with an oil supply compensator which is provided with an oil supply port connected with the oil supply pipe, and an oil return port connected with the oil return pipe, and internally provided with an oil supply passage connected with the oil supply port and an oil return passage connected with the oil return port; communicating parts are formed at the lower ends of the oil supply passage and the oil return passage; and a one-way valve for conducting in a unidirectional way from bottom to top is arranged below the communicating part. The utility model can reduce the viscosity of diesel so that the diesel motor can operate as usual at low temperature so as to ensure the normal driving of the diesel automobile, further improves the working efficiency of the diesel motor and achieves the energy-saving and environment-friendly effects.
Description
Technical Field
The utility model relates to a diesel engine especially relates to a diesel engine heats oil feeding compensating system and fuel feeding compensator thereof.
Background
As shown in fig. 3, a typical diesel engine is operated such that diesel oil in a tank 92 is delivered to a high-pressure oil pump 93 by a delivery pump 91, the high-pressure oil is pumped into a plurality of oil nozzles 941 of a diesel engine 94 by the high-pressure oil pump 93, and the oil nozzles 941 inject high-temperature diesel oil into a plurality of cylinders (not shown) corresponding to the oil nozzles to push pistons in the cylinders to move. However, during the diesel engine operation, some excessive high-temperature oil gas in the high-pressure oil pump 93 and the plurality of oil nozzles 941 returns to the oil tank 92 through the oil return line 95; although these excessive return flows to the tank 92 are at a certain high temperature, the high temperature return flows back to the tank, which is difficult to raise the temperature of the low temperature diesel fuel in the tank 92 as a whole, because of the large tank volume, so that the temperature of the diesel fuel entering the delivery pump 91 from the tank 92 is still the same as the ambient temperature.
In autumn and winter with lower temperature in northern China, the wax precipitation phenomenon is generated due to the fact that diesel oil is frozen, the viscosity of the diesel oil is increased, an oil conveying pipeline is blocked, an engine of a diesel vehicle cannot normally work, and the vehicle cannot run; meanwhile, because the oil temperature in the oil tank is lower, low-temperature diesel oil is conveyed into the cylinder, and is not beneficial to being mixed with high-temperature and high-pressure air in the cylinder for combustion; and the calorific value produced by combustion is low, the vehicle is not driven fast, the discharged tail gas is unqualified, and the environment is polluted. In the prior art, in order to overcome the above problems, measures such as replacing the diesel fuel grade (higher grade diesel fuel) or installing an electrothermal or electromagnetic warming device in the fuel supply system are generally taken to enable the diesel engine to normally operate in a low-temperature environment. However, the existing methods have the following defects:
1. the price of high-grade diesel oil is expensive, and the operation cost of the vehicle can be increased by replacing the high-grade diesel oil;
2. the installation of the electric heating type and electromagnetic type heating devices needs to add auxiliary devices and control devices in the integral oil supply system, so that the complexity of the integral structure is provided, and the heating devices have the problems of complex structure, inconvenience in installation, inconvenience in use and the like;
3. the electric heating type and electromagnetic type heating devices need to be in a working state for a long time, and a large amount of electric energy on a vehicle needs to be consumed.
In view of the above, the present inventors have proposed a warming oil supply compensation system for a diesel engine and an oil supply compensator thereof based on many years of related design and manufacturing experiences, so as to overcome the drawbacks of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a diesel engine heats oil feeding compensating system and fuel feeding compensator thereof can improve the fuel temperature among the oil feeding system, makes the diesel oil temperature who gets into the fuel delivery pump obtain great improvement, and then improves diesel engine's work efficiency, makes it reach energy-conserving, the effect of environmental protection.
Another object of the present invention is to provide a temperature-increasing oil-supplying compensation system for a diesel engine and an oil-supplying compensator thereof, which are simple in structure, easy to install and convenient to use.
The utility model aims at realizing the temperature-increasing oil supply compensation system of the diesel engine, which comprises an oil tank, the diesel engine, a high-pressure oil pump and an oil transfer pump, wherein an oil supply pipe is arranged between the oil transfer pump and the oil tank, and oil return pipes are arranged on the high-pressure oil pump and a plurality of oil nozzles of the diesel engine; an oil supply compensator is arranged in the oil tank, and is provided with an oil supply port connected with an oil supply pipe and an oil return port connected with an oil return pipe; an oil supply channel connected with the oil supply port and an oil return channel connected with the oil return port are arranged in the oil supply compensator, a communicating part is formed at the lower end of the oil supply channel and the oil return channel, and a one-way valve which is communicated in a one-way mode from bottom to top is arranged below the communicating part.
In a preferred embodiment of the present invention, the oil supply compensator includes a cylindrical shell having a lower end and an opening, the upper end of the shell is provided with the oil supply port and the oil return port, the communicating portion is located in the shell and adjacent to the lower end of the shell and is divided into an upper space portion and a lower space portion by the shell sealing, and the check valve is disposed in the lower space portion of the shell.
In a preferred embodiment of the present invention, a filter net is disposed on one side of the check valve.
In a preferred embodiment of the present invention, the filter net is disposed at an upper side of the check valve.
In a preferred embodiment of the present invention, the filter net is disposed at a lower side of the check valve.
An oil supply compensator is provided with an oil supply port and an oil return port; an oil supply channel connected with the oil supply port and an oil return channel connected with the oil return port are arranged in the oil supply compensator, a communicating part is formed at the lower end of the oil supply channel and the oil return channel, and a one-way valve which is communicated in a one-way mode from bottom to top is arranged below the communicating part.
As described above, in the temperature-increasing oil supply compensation system for the diesel engine of the present invention, when the excessive oil of the diesel engine enters the oil supply compensator and enters the oil supply passage through the oil return passage, the excessive oil will be mixed with the diesel oil sucked into the oil supply passage from the oil tank; because the lower part of the oil supply compensator is provided with the one-way valve, high-temperature return oil cannot flow into the oil tank, but is mixed with diesel oil sucked from the oil tank at the communicating part and then is sucked into the oil transfer pump again; the temperature of the diesel oil sucked into the oil supply channel is greatly improved due to the fact that the return oil in the oil return channel has certain high temperature, and then the temperature of the mixed diesel oil is improved, so that the temperature of the mixed diesel oil entering the oil transfer pump is greatly higher than the ambient temperature, the viscosity of the diesel oil can be reduced, the phenomenon that an oil transfer pipeline is blocked is avoided, the diesel engine can normally work at low temperature, and the diesel automobile can normally run. In addition, the efficiency of the work done by the diesel oil to be burned in the cylinder at a certain temperature is higher than that of the conventional low-temperature diesel oil, so that the working efficiency of the diesel engine can be improved, and the effects of energy conservation and environmental protection are achieved.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein,
FIG. 1: do the utility model discloses diesel engine heats fuel feeding compensating system's schematic structure.
FIG. 2: do the utility model discloses well oil supply compensator's schematic structure diagram.
FIG. 3: is a structural schematic diagram in the prior art.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the utility model provides a temperature-increasing oil supply compensation system 100 for a diesel engine, which comprises an oil tank 1, a diesel engine 2, a high-pressure oil pump 3 and an oil transfer pump 4, wherein an oil supply pipe 5 is arranged between the oil transfer pump 4 and the oil tank 1, and oil return pipes 6 are arranged on the high-pressure oil pump 3 and a plurality of oil nozzles 21 of the diesel engine 2; an oil supply compensator 7 is arranged in the oil tank 1, and the oil supply compensator 7 is provided with an oil supply port 71 connected with the oil supply pipe 5 and an oil return port 72 connected with the oil return pipe 6; the oil supply compensator 7 is provided with an oil supply passage 73 connected to the oil supply port 71 and an oil return passage 74 connected to the oil return port 72, the oil supply passage 73 and the oil return passage 74 are provided with a communicating portion 75 at the lower ends thereof, and a check valve 76 that is one-way communicated from the bottom to the top is provided below the communicating portion 75.
As described above, in the temperature-increasing oil supply compensation system of the diesel engine of the present invention, the excessive oil of the diesel engine enters the oil supply compensator through the oil return pipe, and enters the oil supply passage through the oil return passage to be mixed with the low-temperature diesel oil sucked into the oil supply passage from the oil tank; because the lower part of the oil supply compensator is provided with the one-way valve, high-temperature return oil cannot flow into the oil tank, but is mixed with low-temperature diesel oil sucked from the oil tank at the communicating part and then is sucked into the oil transfer pump again; the temperature of the low-temperature diesel oil sucked into the oil supply channel is greatly improved due to the fact that the return oil in the oil return channel has certain high temperature, and the mixed diesel oil has certain temperature, so that the temperature of the mixed diesel oil entering the oil transfer pump is greatly higher than the ambient temperature, the viscosity of the diesel oil can be reduced, the phenomenon that an oil transfer pipeline is blocked is avoided, the diesel engine can normally work at low temperature, and the normal running of a diesel automobile is guaranteed. In addition, the efficiency of applying work in the cylinder by the diesel oil to be burnt at a certain temperature can exceed the efficiency of applying work by the conventional low-temperature diesel oil, so that the working efficiency of the diesel engine can be improved, and the effects of energy conservation and environmental protection are achieved.
Further, in the present embodiment, as shown in fig. 2, the oil supply compensator 7 includes a cylindrical housing 77 having an open lower end, the oil supply port 71 and the oil return port 72 are provided at the upper end of the housing 77, the communicating portion 75 is located in the housing 77 adjacent to the lower end and hermetically partitions the housing 77 into upper and lower space portions, and the check valve 76 is provided in the lower space portion of the housing 77. A filter screen 78 is provided on one side of the check valve 76, and the filter screen 78 may be provided on the upper side of the check valve 76 or on the lower side of the check valve 76.
In the present embodiment, a winter cold start auxiliary heating element and a temperature control element (not shown) are installed in the upper space of the housing 77 and outside the oil supply passage 73, and are used only when the vehicle is started, and the vehicle stops operating after the vehicle is started, so that it does not consume excessive electric power on the vehicle.
The utility model discloses a diesel engine fuel feeding compensating system that heats is one set and all can uses low grade diesel oil, makes the engine play bigger efficiency, reduces oil consumption and exhaust emission, has the multi-functional device of quick start under low temperature environment under multiple climatic environment. The waste heat (about 80-90 ℃) generated by the engine when the engine works is fully utilized, heat exchange transmission and high-pressure temperature rise are respectively carried out on the circulating fuel oil in an oil conveying pipeline and related parts, the oil in an oil supply channel and the oil return channel are gathered and mixed together, the temperature can reach 40-50 ℃, the oil return with certain temperature is subjected to secondary circulation utilization, when the diesel oil is compressed by a high-pressure oil pump to be used as the fuel oil to be burnt, the temperature generated due to the high-pressure effect is higher than that in the previous link, and can reach about 70 ℃ or even higher; the work done by the fuel to be burnt in the cylinder is definitely better than the past.
The utility model discloses a diesel engine temperature-increasing oil supply compensation system, which is characterized in that an oil supply compensator is arranged in an oil tank, and the oil supply compensator replaces an oil suction pipe of an original vehicle oil tank after being arranged, and the length of the oil supply compensator is properly adjusted according to the diameter or the height of the oil tank; the one-way valve is arranged below the communicating part to prevent high-temperature return oil from flowing back to the oil tank; the lowest part is an oil inlet filter screen; the oil supply compensator is also provided with an auxiliary heating element for cold start in winter and a temperature control element (such as an electric heater) so as to improve the safety and the reliability of the oil supply compensator.
The utility model discloses a diesel engine heats oil supply compensating system and fuel feeding compensator thereof has as follows a bit:
1. the oil-gas mixture is reused, so that the emission of impurities, black smoke and other harmful gases of the diesel engine is greatly reduced, and the environment protection is facilitated.
2. The heated oil-gas mixture enters the engine, so that the problem that the diesel engine cannot normally work due to low environmental temperature is solved; meanwhile, the running cost of the vehicle is reduced because high-grade diesel oil does not need to be replaced.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (10)
1. A temperature-increasing oil supply compensation system of a diesel engine comprises an oil tank, the diesel engine, a high-pressure oil pump and an oil transfer pump, wherein an oil supply pipe is arranged between the oil transfer pump and the oil tank, and oil return pipes are arranged on the high-pressure oil pump and a plurality of oil nozzles of the diesel engine; the method is characterized in that: an oil supply compensator is arranged in the oil tank, and is provided with an oil supply port connected with an oil supply pipe and an oil return port connected with an oil return pipe; an oil supply channel connected with the oil supply port and an oil return channel connected with the oil return port are arranged in the oil supply compensator, a communicating part is formed at the lower end of the oil supply channel and the oil return channel, and a one-way valve which is communicated in a one-way mode from bottom to top is arranged below the communicating part.
2. The diesel engine warming fuel supply compensation system of claim 1, wherein: the oil supply compensator comprises a cylindrical shell with an opening at the lower end, the upper end of the shell is provided with the oil supply port and the oil return port, the communicating part is positioned in the position close to the lower end in the shell and divides the shell into an upper space part and a lower space part in a sealing manner, and the one-way valve is arranged in the lower space part of the shell.
3. The temperature-increasing fuel supply compensating system for a diesel engine according to claim 1 or 2, characterized in that: a filter screen is arranged on one side of the one-way valve.
4. The system for temperature-increasing oil supply compensation of a diesel engine according to claim 3, wherein: the filter screen is arranged on the upper side of the one-way valve.
5. The system for temperature-increasing oil supply compensation of a diesel engine according to claim 3, wherein: the filter screen is arranged on the lower side of the one-way valve.
6. An oil supply compensator characterized by: the oil supply compensator is provided with an oil supply port and an oil return port; an oil supply channel connected with the oil supply port and an oil return channel connected with the oil return port are arranged in the oil supply compensator, a communicating part is formed at the lower end of the oil supply channel and the oil return channel, and a one-way valve which is communicated in a one-way mode from bottom to top is arranged below the communicating part.
7. The oil supply compensator of claim 6, wherein: the oil supply compensator comprises a cylindrical shell with an opening at the lower end, the upper end of the shell is provided with the oil supply port and the oil return port, the communicating part is positioned in the position close to the lower end in the shell and divides the shell into an upper space part and a lower space part in a sealing manner, and the one-way valve is arranged in the lower space part of the shell.
8. The oil supply compensator of claim 6 or 7, wherein: a filter screen is arranged on one side of the one-way valve.
9. The oil supply compensator of claim 8, wherein: the filter screen is arranged on the upper side of the one-way valve.
10. The oil supply compensator of claim 8, wherein: the filter screen is arranged on the lower side of the one-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202008113U CN201679590U (en) | 2010-05-19 | 2010-05-19 | Temperature-increasing oil supply compensation system of diesel motor and oil supply compensator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202008113U CN201679590U (en) | 2010-05-19 | 2010-05-19 | Temperature-increasing oil supply compensation system of diesel motor and oil supply compensator thereof |
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| Publication Number | Publication Date |
|---|---|
| CN201679590U true CN201679590U (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202008113U Expired - Fee Related CN201679590U (en) | 2010-05-19 | 2010-05-19 | Temperature-increasing oil supply compensation system of diesel motor and oil supply compensator thereof |
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| CN (1) | CN201679590U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251884A (en) * | 2010-05-19 | 2011-11-23 | 杜俊坤 | Temperature increasing and oil supplying compensation system for diesel motor, and oil supply compensator |
| CN114508449A (en) * | 2022-02-16 | 2022-05-17 | 一汽解放汽车有限公司 | Oil suction valve and diesel engine assembly |
-
2010
- 2010-05-19 CN CN2010202008113U patent/CN201679590U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251884A (en) * | 2010-05-19 | 2011-11-23 | 杜俊坤 | Temperature increasing and oil supplying compensation system for diesel motor, and oil supply compensator |
| CN114508449A (en) * | 2022-02-16 | 2022-05-17 | 一汽解放汽车有限公司 | Oil suction valve and diesel engine assembly |
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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 |
Granted publication date: 20101222 Termination date: 20160519 |
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| CF01 | Termination of patent right due to non-payment of annual fee |