CN2683876Y - Fuel oil preheating temperature controlling device of internal combustion engine - Google Patents
Fuel oil preheating temperature controlling device of internal combustion engine Download PDFInfo
- Publication number
- CN2683876Y CN2683876Y CN 200420008773 CN200420008773U CN2683876Y CN 2683876 Y CN2683876 Y CN 2683876Y CN 200420008773 CN200420008773 CN 200420008773 CN 200420008773 U CN200420008773 U CN 200420008773U CN 2683876 Y CN2683876 Y CN 2683876Y
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- China
- Prior art keywords
- fuel
- oil
- temperature
- combustion engine
- internal combustion
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- Expired - Fee Related
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Abstract
The utility model relates to a fuel oil preheating temperature controlling device of an internal combustion engine apparatus, comprising a fuel-oil tank, a fuel-oil transportation pipe, a high pressure fuel-oil pump, the fuel-oil return line of the high pressure fuel-oil pump, the fuel return valve of the high pressure fuel-oil pump and the fuel oil preheating apparatus of an internal combustion engine. The fuel oil preheating temperature controlling device of an internal combustion engine apparatus also comprises a conductor wire, a power source, an electromagnetic valve and a temperature-control electronic switch which is used for measuring the fuel-oil temperature after preheating, and the temperature-control electronic switch automatically controls the switching state of the electromagnetic valve according to measured fuel-oil temperature, wherein, the temperature-control electronic switch is arranged on the fuel-oil transportation pipe which is connected with the outlet of a fuel-oil transporting heating pipe in the preheating temperature device of the internal combustion engine, and the electromagnetic valve and the fuel-oil return valve of the high pressure fuel-oil pump are arranged on the fuel-oil return line for the high pressure fuel-oil pump in parallel, and the temperature-control electronic switch, the electromagnetic valve and the power source are electrically connected together by the conductor wire. The fuel oil preheating temperature controlling device of an internal combustion engine can lower the temperature of the fuel oil after preheating by enlarging the flow quantity and the flow velocity of the fuel oil when the fuel oil has overhigh temperature after preheating, and the preheating temperature of the fuel can be kept in the highest setting preheating temperature value all the time.
Description
Affiliated technical field
The utility model relates to a kind of temperature controlling device, particularly relates to a kind of fuel of internal combustion engine preheating temperature control gear.
Background technique
As everyone knows, the temperature that improves the fuel oil of internal-combustion engine use in advance can reach the fuel consumption that reduces internal-combustion engine, the purpose of the power of content of harmful and raising internal-combustion engine in the tail gas of reduction engine exhaust, people have designed various fuel of internal combustion engine Preheating units for this reason, as the patent No. is 00268279.6, the Chinese utility model patent that name is called " the fuel-firing preheating device of internal-combustion engine " discloses the fuel-firing preheating device that a kind of high-temperature tail gas that utilizes engine exhaust among the tail gas manifold of internal-combustion engine comes the fuel oil that the preheating internal-combustion engine uses, and it can effectively utilize the fuel oil that high-temperature tail gas that engine exhaust comes out will send into before the internal-combustion engine and carry out preheating; But, in use find, this class utilizes the high-temperature tail gas of engine exhaust to come the fuel-firing preheating device of pre-heating oil all to exist when the internal-combustion engine full power is operated at full capacity as vehicle heavy duty climbing, can cause the excessive phenomenon of fuel-firing preheating is taken place, and the too high fuel oil of temperature surpasses 75 as the temperature of diesel oil and can cause when spending using the power straight line of its internal-combustion engine to descend.
Summary of the invention
The purpose of this utility model provides a kind of fuel of internal combustion engine preheating temperature control gear that can make under the hot temperature of maximum prefetch that temperature behind the fuel-firing preheating remains at setting.
The purpose of this utility model is to realize like this, a kind of fuel of internal combustion engine preheating temperature control gear, comprise fuel tank, fuel feed pipe, high pressure oil pump, high pressure oil pump return tube, be connected in the high pressure oil pump scavenger valve on the high pressure oil pump return tube and have the fuel of internal combustion engine Preheating unit of fuel delivery heating pipe, fuel oil temperature and according to the temperature control electronic switch of the automatic control electromagnetic valve open and-shut mode of measured fuel oil temperature after it also includes lead, power supply, solenoid valve and is used to measure preheating; Wherein on the fuel feed pipe that the temperature control electronic switch is arranged on the outlet of fuel delivery heating pipe in the fuel of internal combustion engine Preheating unit links to each other; Solenoid valve on the high pressure oil pump return tube with the high pressure oil pump scavenger valve and be connected with and put; Be electrically connected by lead between temperature control electronic switch, solenoid valve and the power supply.
Because the oil outlet of the utility model fuel of internal combustion engine Preheating unit is provided with a temperature control electronic switch, and on the high pressure oil pump return tube of internal-combustion engine, be provided with one with high pressure oil pump scavenger valve and the solenoid valve that connects and controlled by the temperature control electronic switch; So when the fuel oil temperature that flows out the fuel of internal combustion engine Preheating unit has surpassed the break-make temperature of temperature control electronic switch, the automatic conducting of temperature control electronic switch is opened solenoid valve, the solenoid valve of opening provides a unimpeded path that flows back to fuel tank for the fuel oil that enters after the preheating among the high pressure oil pump, this can make, and the flow of the fuel oil in the fuel of internal combustion engine Preheating unit of flowing through strengthens, flow velocity is accelerated, thereby can reach the purpose that reduces fuel oil temperature after the preheating; When the fuel oil temperature that flows out the fuel of internal combustion engine Preheating unit was lower than the break-make temperature of temperature control electronic switch, the temperature control electronic switch cut off automatically and makes closed electromagnetic valve, makes the flow and the flow restoration of the fuel oil in the fuel of internal combustion engine Preheating unit of flowing through normal; So the utility model can make the temperature behind the fuel-firing preheating remain under the hot temperature of maximum prefetch of setting.
Description of drawings
Accompanying drawing is the structural representation of a kind of embodiment of the utility model
Among the figure: 1-solenoid valve 8-internal-combustion engine
2-high pressure oil pump return tube 9-fuel delivery heating pipe
3-fuel tank 10-exhaust gases of internal combustion engines manifold
4-high pressure oil pump scavenger valve 11-high pressure oil pump
The manual fuel pump 12-of 5-temperature control electronic switch
6-fuel oil oil purifier 13-power supply
7-fuel feed pipe 14-lead
Embodiment
Below in conjunction with drawings and Examples the utility model is further described, a kind of fuel of internal combustion engine preheating temperature control gear, comprise fuel tank 3, fuel feed pipe 7, high pressure oil pump 11, high pressure oil pump return tube 2, be connected in the high pressure oil pump scavenger valve 4 on the high pressure oil pump return tube 2 and have the fuel of internal combustion engine Preheating unit of fuel delivery heating pipe 9, fuel oil temperature and according to the temperature control electronic switch 12 of automatic control electromagnetic valve 1 open and-shut mode of measured fuel oil temperature after it also includes lead 14, power supply 13, solenoid valve 1 and is used to measure preheating; Wherein on the fuel feed pipe 7 that temperature control electronic switch 12 is arranged on the outlet of fuel delivery heating pipe 9 in the fuel of internal combustion engine Preheating unit links to each other, temperature control electronic switch 12 can be measured the temperature of the fuel oil after being preheated nearby fast in real time like this, it is that the hot temperature of maximum prefetch is different and different according to the kind of fuel oil and label that temperature control electronic switch 12 gives the break-make temperature of establishing, and for diesel oil the break-make temperature of temperature control electronic switch 12 is set in about 75 degree better; Solenoid valve 1 on high pressure oil pump return tube 2 with high pressure oil pump scavenger valve 4 and be connected with and put, when solenoid valve 1 is opened by 12 controls of temperature control electronic switch, can provide a straightway path that flows back in the fuel tank 3 for the fuel oil that enters in the high pressure oil pump 11, this can make, and the flow velocity of fuel delivery heating pipe 9 intermediate fuel oils is accelerated, flow increases, thereby can reduce the temperature after fuel oil flows through fuel delivery heating pipe 9 quickly and effectively; Be electrically connected by lead 14 between temperature control electronic switch 12, solenoid valve 1 and the power supply 13, because the kind and the model of temperature control electronic switch 12 and solenoid valve 1 are a lot, its concrete Placement has certain difference according to the different of its kind and model, and its Placement is any to have can finishing per capita of electricity knowledge, so do not specifically describe the electric connection mode between power supply 13, temperature control electronic switch 12 and the solenoid valve 1 in the utility model.
When the power supply 13 that uses in the utility model is vehicular power-bottle,, can also on the lead 14 between power supply 13 and temperature control electronic switch 12 and the solenoid valve 1, be provided with relay in order to protect and to prolong working life of the present utility model.
In order to protect the utility model, on the lead 14 between power supply 13 and temperature control electronic switch 12 and the solenoid valve 1, can also be provided with safety fuse cutout equally.
As shown in drawings, working principle of the present utility model is as follows: during internal-combustion engine 8 work, fuel oil in the fuel tank 3 is continuously extracted by manual fuel pump 5 and by fuel feed pipe 7 flow through fuel oil oil purifier 6, be arranged in fuel delivery heating pipe 9, pressurized internal-combustion engine 8 work by combustion of sending into of temperature control electronic switch 12 and high pressure oil pump 11 backs among the exhaust gases of internal combustion engines manifold 10, unnecessary fuel oil is limited the quantity of by high pressure oil pump scavenger valve 4 and high pressure oil pump return tube 2 quilts and is recycled to fuel tank 3 in the high pressure oil pump 11; When running of internal-combustion engine 8 full powers as heavy duty climbing, the temperature that enters the tail gas among the exhaust gases of internal combustion engines manifold 10 from internal-combustion engine 8 is increased sharply, this fuel oil temperature that can cause flowing through behind the fuel delivery heating pipe 9 further raises, when the temperature of the fuel oil after the preheating surpasses the break-make temperature of temperature control electronic switch 12 in the utility model, 12 conductings of temperature control electronic switch are opened solenoid valve 1, because the solenoid valve of opening 1 provides a unimpeded path that flows back to fuel tank 3 for the fuel oil that enters after the preheating among the high pressure oil pump 11, this can make the fuel of internal combustion engine Preheating unit intermediate fuel oil of flowing through carry the flow of the fuel oil of heating pipe 9 to strengthen, flow velocity is accelerated, can reduce the temperature after fuel oil flows through fuel delivery heating pipe 9 so quickly and effectively, the temperature behind the fuel-firing preheating is controlled at purpose under the hot temperature of maximum prefetch thereby reach; When the fuel oil temperature that flows out the fuel of internal combustion engine Preheating unit is lower than the setting break-make temperature value of temperature control electronic switch 12 again, temperature control electronic switch 12 cuts off automatically solenoid valve 1 cuts out, so that the flow of the fuel oil in the fuel of internal combustion engine Preheating unit of flowing through and flow restoration are to normal state.
Claims (3)
1. fuel of internal combustion engine preheating temperature control gear, comprise fuel tank (3), fuel feed pipe (7), high pressure oil pump (11), high pressure oil pump return tube (2), be connected in the high pressure oil pump scavenger valve (4) on the high pressure oil pump return tube (2) and have the fuel of internal combustion engine Preheating unit of fuel delivery heating pipe (9), it is characterized in that its also include lead (14), power supply (13), solenoid valve (1) and be used to measure preheating after fuel oil temperature and according to the temperature control electronic switch (12) of the automatic control electromagnetic valve of measured fuel oil temperature (1) open and-shut mode; Wherein on the fuel feed pipe (7) that temperature control electronic switch (12) is arranged on the outlet of fuel delivery heating pipe (9) in the fuel of internal combustion engine Preheating unit links to each other; Solenoid valve (1) is gone up and high pressure oil pump scavenger valve (4) and being connected with is put at high pressure oil pump return tube (2); Be electrically connected by lead (14) between temperature control electronic switch (12), solenoid valve (1) and the power supply (13).
2. a kind of fuel of internal combustion engine preheating temperature control gear according to claim 1 is characterized in that being provided with relay on the lead (14) between power supply (13) and temperature control electronic switch (12) and the solenoid valve (1).
3. a kind of fuel of internal combustion engine preheating temperature control gear according to claim 1 is characterized in that being provided with safety fuse cutout on the lead (14) between power supply (13) and temperature control electronic switch (12) and the solenoid valve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420008773 CN2683876Y (en) | 2004-03-20 | 2004-03-20 | Fuel oil preheating temperature controlling device of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420008773 CN2683876Y (en) | 2004-03-20 | 2004-03-20 | Fuel oil preheating temperature controlling device of internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2683876Y true CN2683876Y (en) | 2005-03-09 |
Family
ID=34606096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420008773 Expired - Fee Related CN2683876Y (en) | 2004-03-20 | 2004-03-20 | Fuel oil preheating temperature controlling device of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2683876Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619586A (en) * | 2012-04-13 | 2012-08-01 | 东北林业大学 | Electromagnetic automobile engine oil preheating device |
| CN112814897A (en) * | 2019-10-29 | 2021-05-18 | 杭州三花研究院有限公司 | Electric oil pump and control method thereof |
-
2004
- 2004-03-20 CN CN 200420008773 patent/CN2683876Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619586A (en) * | 2012-04-13 | 2012-08-01 | 东北林业大学 | Electromagnetic automobile engine oil preheating device |
| CN102619586B (en) * | 2012-04-13 | 2014-04-02 | 东北林业大学 | Electromagnetic automobile engine oil preheating device |
| CN112814897A (en) * | 2019-10-29 | 2021-05-18 | 杭州三花研究院有限公司 | Electric oil pump and control method thereof |
| CN112814897B (en) * | 2019-10-29 | 2023-02-17 | 杭州三花研究院有限公司 | Electric oil pump and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050309 Termination date: 20100320 |