CN106499552B - A kind of diesel oil thermostat and control method - Google Patents
A kind of diesel oil thermostat and control method Download PDFInfo
- Publication number
- CN106499552B CN106499552B CN201611013833.7A CN201611013833A CN106499552B CN 106499552 B CN106499552 B CN 106499552B CN 201611013833 A CN201611013833 A CN 201611013833A CN 106499552 B CN106499552 B CN 106499552B
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- CN
- China
- Prior art keywords
- engine oil
- inlet pipe
- oil inlet
- ptc ceramics
- ceramics heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/12—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating electrically
- F02M31/125—Fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/20—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/20—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for cooling
- F02M31/205—Control
Abstract
The present invention relates to a kind of diesel oil thermostat and control methods, including the first PTC ceramics heater, the second PTC ceramics heater, temperature sensor, controller, radiator, engine oil inlet pipe and engine oil return pipe；First PTC ceramics heater is set between engine oil inlet pipe and radiator, and the second PTC ceramics heater is set between engine oil inlet pipe and engine oil return pipe；Temperature sensor is set to the oil outlet of engine oil inlet pipe.The technical program can realize the double-direction control of oil temperature, and can heat can also cool down；High using the small heat exchange efficiency of ptc heater thermal resistance, high sensitivity temperature control is accurate, highly-safe；Engine oil inlet pipe is not connected to engine oil return pipe, i.e., engine oil inlet is not mixed with engine oil return, is not influenced into time resistance.
Description
Technical field
The invention belongs to automotive fuel oil system technical field, a kind of diesel oil thermostat and control method are particularly related to.
Background technique
With the development of modern logistics, the more and more various aspects applied to production and living of commercial vehicle, diesel engine vehicle
Because its torque is big, the advantages that fuel-economy, occupies the market of commercial vehicle 90 percent.Experiments have shown that supply side raw diesel
The terminal temperature of temperature meeting extreme influence engine diesel injection, the temperature change will lead to the change of engine fuel consumption and discharge
Change.Constant oil consumption and the row of raising for facilitating to reduce diesel engine especially Design of High Pressure Common Rail Diesel Engine at 30 DEG C of diesel fuel supply side temperature
Zoom level.
The prior art is to be controlled in such a way that high temperature oil return is mixed into oil inlet pipe inlet oil temperature, is added using electricity
Heated filament heats fuel oil, carries out the mode such as heating to oil inlet using cooling system water circulation or exhaust gas heat.Engine
Fuel oil local circulation when using above-mentioned heating device, temperature can higher and higher, and show heating device can only to fuel Heating,
Cannot cool down, heater strip heating there are security risk and reliability it is low, when using cooling system or exhaust gas heat, pipeline it is longer and
It is unfavorable for alleviating cold start-up problem, i.e., the effect of above-mentioned heating device is bad between starting.
Summary of the invention
The object of the present invention is to provide a kind of diesel oil thermostat and control methods, are only capable of heating to solve existing heating device
And the problem of cannot cooling down.
The present invention is achieved by the following technical solutions:
A kind of diesel oil thermostat, including the first PTC ceramics heater, the second PTC ceramics heater, temperature sensor,
Controller, radiator, engine oil inlet pipe and engine oil return pipe；
First PTC ceramics heater is set between the engine oil inlet pipe and the radiator, and described second
PTC ceramics heater is set between the engine oil inlet pipe and the engine oil return pipe；
The temperature sensor is set to the oil outlet of the engine oil inlet pipe, the temperature sensor and the control
Device electrical connection processed；
First PTC ceramics heater is electrically connected to a power source with second PTC ceramics heater, and described first
PTC ceramics heater is connect with the controller electric signal with second PTC ceramics heater.
The surface that first PTC ceramics heater is contacted with the radiator is plane, the first PTC ceramics heating
The surface that device is contacted with the engine oil inlet pipe is provided with multiple bulge-structures；
Surface that second PTC ceramics heater is contacted with the engine oil inlet pipe and with the engine oil return pipe
The surface of contact is provided with multiple bulge-structures.
The engine oil inlet pipe is not connected to the engine oil return pipe.
A kind of diesel oil thermostat control method, using the diesel oil thermostat of any of the above-described；
Temperature sensor detects the diesel fuel temperature of the oil outlet of engine oil inlet pipe, and the diesel fuel temperature letter that will test
Number controller is fed back to, if the diesel fuel temperature is lower than setting value, it is disconnected that the controller controls the first PTC ceramics heater
It opens, the second PTC ceramics work, the heat of engine oil return pipe side is transferred to by second PTC ceramics heater to be started
Engine oil inlet pipe side is heated in machine oil inlet pipe side；
If the diesel fuel temperature detected is higher than setting value, the controller controls second PTC ceramics heater and disconnects,
The first PTC ceramics heater work, is transferred to radiator for the heat of engine oil inlet pipe side, distributes heat to
In environment, cool down to engine oil inlet pipe side.
The set temperature is 30 degree.
The beneficial effects of the present invention are:
The technical program can realize the double-direction control of oil temperature, and can heat can also cool down；The technical program is heated using PTC
The small heat exchange efficiency of device thermal resistance is high, and high sensitivity temperature control is accurate, highly-safe；Engine oil inlet pipe and engine oil return Guan Bulian
It connects, i.e., engine oil inlet is not mixed with engine oil return, is not influenced into time resistance.
The technical program uses PTC ceramics heater, and because of semiconductor PTC Heating Characteristics, safety and high sensitivity are helped
In energy resource saving, the discharge of diesel engine is improved.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is PTC structural schematic diagram；
The band bulge-structure schematic diagram that Fig. 3 is Fig. 2.
Description of symbols
1 engine oil inlet pipe, 2 engine oil return pipes, 3 first PTC ceramics heaters, 4 second PTC ceramics heaters, 5 dissipate
Hot device, 6 temperature sensors, 7 bulge-structures.
Specific embodiment
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is merely exemplary, only
It can be used to explanation and illustration technical solution of the present invention, and be not to be construed as the limitation to technical solution of the present invention.
The application provides a kind of diesel oil thermostat, as shown in Figure 1 to Figure 3, including the first PTC ceramics heater 3, second
PTC ceramics heater 4, temperature sensor 6, controller, radiator 5, engine oil inlet pipe 1 and engine oil return pipe 2.
First PTC ceramics heater is set between engine oil inlet pipe and radiator, the setting of the second PTC ceramics heater
Between engine oil inlet pipe and engine oil return pipe.
Temperature sensor is set to the oil outlet of engine oil inlet pipe, and temperature sensor is electrically connected with the controller；Temperature
The temperature signal that sensor will test feeds back to controller, and the size of current of two pieces of PTC ceramics heaters is controlled by controller
And current direction.
First PTC ceramics heater is electrically connected to a power source with the second PTC ceramics heater, and the first PTC ceramics heats
Device is connect with controller electric signal with the second PTC ceramics heater.
The surface that first PTC ceramics heater is contacted with radiator be plane, the first PTC ceramics heater and engine into
The surface of oil pipe contact is provided with multiple bulge-structures 7, to increase heat exchange area.
Surface that second PTC ceramics heater is contacted with engine oil inlet pipe and the surface contacted with engine oil return pipe are equal
Multiple bulge-structures 7 are provided with, to increase heat exchange area.
Engine oil inlet pipe is not connected to engine oil return pipe, does not interfere with engine oil inlet and oil return resistance thus.
The application also provides a kind of diesel oil thermostat control method, using the diesel oil thermostat of any of the above-described.
Temperature sensor detects the diesel fuel temperature of the oil outlet of engine oil inlet pipe, and the diesel fuel temperature letter that will test
Number controller is fed back to, if diesel fuel temperature is lower than 30 degree of setting value, in the other embodiments of the application, set temperature value can also
To be varied as desired, the realization of technical scheme is had no effect on, but in the technical program, most with 30 degree of oil temperature
Be conducive to play the efficiency of engine；Then controller controls the first PTC ceramics heater and disconnects, the work of the second PTC ceramics, and second
The heat of engine oil return pipe side is transferred to engine oil inlet pipe side by PTC ceramics heater, is carried out to engine oil inlet pipe side
Heating；
If the diesel fuel temperature detected is higher than 30 degree of setting value, controller controls the second PTC ceramics heater and disconnects, first
PTC ceramics heater work, is transferred to radiator for the heat of engine oil inlet pipe side, distributes heat in environment, to hair
Motivation oil inlet pipe side cools down.
The above is only the descriptions of the preferred embodiment of the present invention, it is noted that due to the finiteness of literal expression, and
Objectively there is unlimited specific structure, for those skilled in the art, is not departing from the principle of the invention
Under the premise of, several improvements and modifications can also be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (5)
1. a kind of diesel oil thermostat, it is characterised in that: including the first PTC ceramics heater, the second PTC ceramics heater, temperature
Spend sensor, controller, radiator, engine oil inlet pipe and engine oil return pipe；
First PTC ceramics heater is set between the engine oil inlet pipe and the radiator, the 2nd PTC pottery
Porcelain heater is set between the engine oil inlet pipe and the engine oil return pipe；
The temperature sensor is set to the oil outlet of the engine oil inlet pipe, the temperature sensor and the controller
Electrical connection；
First PTC ceramics heater is electrically connected to a power source with second PTC ceramics heater, and the first PTC
Ceramic heater is connect with the controller electric signal with second PTC ceramics heater.
2. diesel oil thermostat according to claim 1, it is characterised in that: first PTC ceramics heater with it is described
The surface of radiator contact is plane, the surface setting that first PTC ceramics heater is contacted with the engine oil inlet pipe
There are multiple bulge-structures；
The surface and contacted with the engine oil return pipe that second PTC ceramics heater is contacted with the engine oil inlet pipe
Surface be provided with multiple bulge-structures.
3. diesel oil thermostat according to claim 1, it is characterised in that: the engine oil inlet pipe and the engine
Oil return pipe is not connected to.
4. a kind of diesel oil thermostat control method, using the diesel oil thermostat of any one of the claims 1 to 3；Its
It is characterized in that:
Temperature sensor detects the diesel fuel temperature of the oil outlet of engine oil inlet pipe, and the diesel fuel temperature signal that will test is anti-
It is fed to controller, if the diesel fuel temperature is lower than setting value, the controller controls the first PTC ceramics heater and disconnects, institute
The work of the second PTC ceramics heater is stated, the heat of engine oil return pipe side is transferred to by second PTC ceramics heater to be started
Engine oil inlet pipe side is heated in machine oil inlet pipe side；
If the diesel fuel temperature detected is higher than setting value, the controller controls second PTC ceramics heater and disconnects, described
The work of first PTC ceramics heater, is transferred to radiator for the heat of engine oil inlet pipe side, distributes heat to environment
In, cool down to engine oil inlet pipe side.
5. diesel oil thermostat control method according to claim 4, it is characterised in that: the setting value is 30 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611013833.7A CN106499552B (en) | 2016-11-18 | 2016-11-18 | A kind of diesel oil thermostat and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611013833.7A CN106499552B (en) | 2016-11-18 | 2016-11-18 | A kind of diesel oil thermostat and control method |
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| Publication Number | Publication Date |
|---|---|
| CN106499552A CN106499552A (en) | 2017-03-15 |
| CN106499552B true CN106499552B (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611013833.7A Active CN106499552B (en) | 2016-11-18 | 2016-11-18 | A kind of diesel oil thermostat and control method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115095454A (en) * | 2022-08-25 | 2022-09-23 | 江苏普瑞亚动力科技有限公司 | Engine oil control system with heat recovery structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87215356U (en) * | 1987-11-07 | 1988-12-21 | 韩德辅 | Automatic temp. controlled diesel calorifier of vehicle |
| US4984555A (en) * | 1989-07-14 | 1991-01-15 | Huang Kuo Liang | Diesel engine fuel pipeline heating device |
| CN101353993A (en) * | 2008-08-29 | 2009-01-28 | 缪国甫 | Intelligent heat exchange system of diesel |
| CN201666202U (en) * | 2010-01-22 | 2010-12-08 | 卫战团 | Self-limited constant temperature electric heating device of diesel oil transporting pipe |
| CN204163892U (en) * | 2014-07-31 | 2015-02-18 | 湖北比尔克曼机械有限公司 | Diesel-oil vehicle hydroelectric integration heating sensor |
-
2016
- 2016-11-18 CN CN201611013833.7A patent/CN106499552B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87215356U (en) * | 1987-11-07 | 1988-12-21 | 韩德辅 | Automatic temp. controlled diesel calorifier of vehicle |
| US4984555A (en) * | 1989-07-14 | 1991-01-15 | Huang Kuo Liang | Diesel engine fuel pipeline heating device |
| CN101353993A (en) * | 2008-08-29 | 2009-01-28 | 缪国甫 | Intelligent heat exchange system of diesel |
| CN201666202U (en) * | 2010-01-22 | 2010-12-08 | 卫战团 | Self-limited constant temperature electric heating device of diesel oil transporting pipe |
| CN204163892U (en) * | 2014-07-31 | 2015-02-18 | 湖北比尔克曼机械有限公司 | Diesel-oil vehicle hydroelectric integration heating sensor |
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| Publication number | Publication date |
|---|---|
| CN106499552A (en) | 2017-03-15 |
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