CN201802514U - Fuel oil heating device - Google Patents
Fuel oil heating device Download PDFInfo
- Publication number
- CN201802514U CN201802514U CN2010205194763U CN201020519476U CN201802514U CN 201802514 U CN201802514 U CN 201802514U CN 2010205194763 U CN2010205194763 U CN 2010205194763U CN 201020519476 U CN201020519476 U CN 201020519476U CN 201802514 U CN201802514 U CN 201802514U
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- China
- Prior art keywords
- oil
- fuel
- fuel oil
- heating device
- oil pump
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- Expired - Fee Related
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to an improved fuel oil heating device for an internal-combustion engine, in particular to a fuel oil heating device. An oil supply pipe is connected with a one-way valve, an electronic oil pump and a channel of an electronic control air valve. An actuating mechanism consists of the electronic oil pump, an electric heating component and the electronic control air valve 3 and is controlled by a controller. Before fuel oil in an oil supply channel is forcedly condensed due to environmental temperature, the fuel oil heating device adopts compressed air in a vehicle-mounted air storage cylinder to blow the fuel oil in the oil supply channel into an oil tank through an oil return pipe, and prevents blockage fault caused by diesel oil condensation due to low temperature.
Description
Technical field
The utility model relates to the fuel oil supply system of internal-combustion engine, more particularly, relates to a kind of improvement of fuel of internal combustion engine heating equipment.
Background technique
Low temperature environment is the diesel engine of the work fuel oil that must use label to conform to down, otherwise diesel oil condenses because of the low temperature wax deposition, causes motor to work.Use the cetane number height at low temperatures and the low relatively fuel oil of price in order to solve, people have taked the scheme of heated fuel oil, realized the relatively low high condensation point fuel oil of burning price under the low temperature environment, but initial at starting a cold engine, a lot of preheating methods exist a lot of not enough.
The disclosed patent No. of Chinese patent literature is: the patent disclosure of ZL 200920234277.5 modularization diesel oil heating filter cleaner, main structure is that a disc type heater is arranged on diesel-oil filter inside, and diesel-oil filter and diesel fuel heater are combined into one.The patent No. is: the patent disclosure of ZL200920104289.6 diesel fuel heater, main structure is to be provided with an oil inlet pipe and an oil outlet tube on the heating element.The patent No. is: the patent disclosure of ZL 200520084593.0 the diesel car electric petroleum pipeline, its realization means are for having set up electrothermal device in oil delivering pipe of car.The deficiency that above technology in use exists is: certain device or part in the heating oil supply gallery, if a link in the oil supply gallery diesel oil occurs and condenses, will stop up oil supply gallery, cause the startup fault, and heat inhomogeneously, and utilization rate of electrical is low, and Safety performance can not guarantee, electric heating element is installed difficulty simultaneously, and wire harness is arranged loaded down with trivial details.
In addition, the disclosed patent No. of Chinese patent literature is: the patent disclosure of ZL 200920001840.4 diesel engine oil circuit heating system, the two fuel tanks of configuration solve the scheme of pre-temperature, the fuel oil of the two kinds of different condensation points of annotating respectively, utilize low condensation point fuel oil ato unit, reach the purpose of preheating.Though this fuel Heating scheme is reliable, fuel pipe switches complicated, and control valve is various, moreover will change special double-deck fuel tank, and low condensation point fuel oil also will burn in the using process.
Summary of the invention
At the deficiencies in the prior art part, the purpose of this invention is to provide a kind of fuel heater, before fuel oil condenses in ambient temperature forces oil supply gallery, utilize the pressurized air of vehicle-mounted air cylinder, fuel oil in the oil supply gallery is blown into fuel tank by return tube, in case diesel oil causes the obstruction of oil supply system because of cryogenic temperature condensation.During starting a cold engine, electric-heating assembly heats fuel oil local in the fuel tank, by the electronics oil pump deep fat is injected oil supply gallery.The fuel tank internal heated fuel oil, temperature is even, heat dissipation is few, the utilization rate of electrical height, and can effectively avoid above technology and produced problems.
The object of the present invention is achieved like this: a kind of fuel heater, by the actuator that electric-heating assembly, electronics oil pump and electric control valve are formed, actuator is controlled by controller.Controller is by picking up the signal of environment temperature sensor and oil temperature sensor, orderly controlling the work that parts such as electric-heating assembly, electronics oil pump and electric control valve are finished cold car advanced ignition.
On the basis of technique scheme, the utility model also has following further technological scheme:
The suction tude of described electric control valve links to each other with vehicle-mounted air cylinder.
The actuator that described electric-heating assembly, electronics oil pump and electric control valve are formed is controlled by controller.
Described controller sends action command again and drives actuator's work by picking up the signal of environment temperature sensor and oil temperature sensor after the analysing and processing.
Described environment temperature sensor monitoring of environmental temperature information passes to controller.
Oily temperature information in the described oil temperature sensor monitoring oil supply gallery passes to controller.
The fuel oil delivery outlet of described electronics oil pump is skipped one-way valve and is inserted in the oil supply gallery.
Described electric-heating assembly places near the interior fuel feeding mouth of pipe of fuel tank.
Described one-way valve places fuel feeding nose end in the fuel tank.
Describedly adopt existing technology with upper-part.
Advantage of the present utility model is as follows:
Fuel oil in the emptying oil supply gallery can be stopped fuel oil and condense and stop up oil supply gallery, and change little to the oil supply system of original vehicle.Before the motor starting a cold engine, place the electric-heating assembly heated fuel oil of fuel tank internal, heat dissipation is little, utilization rate of electrical height, fuel oil can local excess temperatures, and Safety performance is guaranteed, also help the transformation of existing vehicle, save reforming cost and simplify the transformation operation.The utility model is particularly useful for the vehicle that cold area uses diesel engine.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing in detail mode of execution of the present utility model is described in detail:
Described fuel supply line 1 is connected in the passage of one-way valve 5, electronics oil pump 6 and electric control valve 3.Actuator by electronics oil pump 6, electric-heating assembly 7 and electric control valve 3 are formed is controlled by controller 11, and controller 11 picks up the signal of the oil temperature sensor 10 on environment temperature sensor 12 oil and water seperator 8, control executing mechanism action after the analysing and processing.Oil temperature sensor 10 can be arranged in the oil supply gallery flexibly than the position that is easier to reflect the oil temperature.
Described controller 11 picks up the signal of oil temperature sensor 10 in environment temperature sensor 12 and the oil supply system, handles the afterwards orderly actuator that controlling.Described electric-heating assembly 7 places near the interior fuel feeding mouth of pipe of fuel tank.The fuel oil output interface short circuit one-way valve of electronics oil pump 6 inserts in the oil supply gallery.
When below setting forth vehicle stop state and starting state, the workflow of actuator.
After motor 16 quits work, ambient temperature forces before the fuel oil in the fuel supply line 1 condenses, controller 11 picks up the signal of environment temperature sensor 12 and oil temperature sensor 10, control electric control valve 3 is opened, the suction tude 2 of electric control valve 3 links to each other with vehicle-mounted air cylinder, pressurized air in the air cylinder, by fuel supply line 1, oil and water seperator 8, bypass Decompression valves 13 and fine cleaner 15, fuel oil in the oil supply gallery in return tube 9 is blown into fuel tank 4, is condensed and blocks in case be trapped in diesel oil at low-temperature in the oil supply gallery.One-way valve 5 stops pressurized air directly to be blown in the fuel tank 4, and one-way valve is also contained in electronics oil pump 6 inside, acts on consistent with one-way valve 5.Electric control valve 3 opening states have three conditional decisions: motor 16 quits work; The oil temperature is near the critical temperature of wax deposition; Be not activated the instruction of motor 16.Because mechanical oil pump 14 can't open under vehicle stop state, thus on mechanical oil pump short circuit bypass Decompression valves 13, bypass Decompression valves 13 is provided with valve state signal and exports, air-flow is pushed bypass Decompression valves 13 open, can make the unimpeded and thorough emptying in fuel gallery.The diesel engine of rail technology fuel feeding does not have the mechanical oil pump design because adopt altogether, so do not need the bypass Decompression valves.
When motor 16 starts, controller 11 is according to local fuel oil in SC sigmal control electric-heating assembly 7 heating fuel tanks 4 of environment temperature sensor 12 and oil temperature sensor 10, when oily temperature reaches the temperature of qualification, controller 11 drives 6 work of electronics oil pump, deep fat is injected in the oil supply gallery by fuel supply line 1, one-way valve 5 stops in the deep fat refluence oil sump tank 4, and this moment, electric control valve kept closed condition.In addition, the employing of electronics oil pump 6 also can be avoided the manual exhaust on the fuel supply system for diesel engine system.The pressure of electronics oil pump 6 forces bypass Decompression valves 13 to be opened, residual air in the oil supply pipeline 1 is discharged, bypass this moment Decompression valves 13 start signal feed back to controller 11, controller 11 sends and starts indication, the timely ato unit 16 of prompting operation hand makes the deep fat cooling of limiting the quantity of to prevent excessive circulation.
The utility model is applicable on vehicle, locomotive or even the naval vessel that travels in the land route.
Claims (6)
1. fuel heater, it is characterized in that, fuel supply line (1) connects in the passage of one-way valve (5), electronics oil pump (6) and electric control valve (3), and the actuator by electronics oil pump (6), electric-heating assembly (7) and electric control valve (3) are formed is controlled by controller (11).
2. a kind of fuel heater according to claim 1 is characterized in that, described controller (11) picks up the signal of oil temperature sensor (10) in environment temperature sensor (12) and the oil supply system, handles the afterwards orderly actuator that controlling.
3. a kind of fuel heater according to claim 1 is characterized in that, the suction tude (2) of described electric control valve (3) links to each other with vehicle-mounted air cylinder.
4. a kind of fuel heater according to claim 1 is characterized in that, described one-way valve (5) places fuel feeding nose end in the fuel tank.
5. a kind of fuel heater according to claim 1 is characterized in that, described electric-heating assembly (7) places near the interior fuel feeding mouth of pipe of fuel tank.
6. a kind of fuel heater according to claim 1 is characterized in that, the fuel oil output interface short circuit one-way valve of electronics oil pump (6) inserts in the oil supply gallery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205194763U CN201802514U (en) | 2010-08-30 | 2010-08-30 | Fuel oil heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205194763U CN201802514U (en) | 2010-08-30 | 2010-08-30 | Fuel oil heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201802514U true CN201802514U (en) | 2011-04-20 |
Family
ID=43872016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205194763U Expired - Fee Related CN201802514U (en) | 2010-08-30 | 2010-08-30 | Fuel oil heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201802514U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605623A (en) * | 2017-07-24 | 2018-01-19 | 於贻鹏 | A kind of diesel engine anti-condensation method using high freezing point diesel fuel |
| CN109026466A (en) * | 2018-08-01 | 2018-12-18 | 汽解放汽车有限公司 | A kind of diesel vehicle Han Qu positive pressure oil supply system and its fuel supply method |
-
2010
- 2010-08-30 CN CN2010205194763U patent/CN201802514U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605623A (en) * | 2017-07-24 | 2018-01-19 | 於贻鹏 | A kind of diesel engine anti-condensation method using high freezing point diesel fuel |
| CN109026466A (en) * | 2018-08-01 | 2018-12-18 | 汽解放汽车有限公司 | A kind of diesel vehicle Han Qu positive pressure oil supply system and its fuel supply method |
| CN109026466B (en) * | 2018-08-01 | 2023-08-15 | 一汽解放汽车有限公司 | Positive pressure oil supply system for cold region of diesel vehicle and oil supply method thereof |
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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: 20110420 Termination date: 20140830 |
|
| EXPY | Termination of patent right or utility model |