CN107339175A - A kind of diesel oil thermostat and control method - Google Patents
A kind of diesel oil thermostat and control method Download PDFInfo
- Publication number
- CN107339175A CN107339175A CN201611013841.1A CN201611013841A CN107339175A CN 107339175 A CN107339175 A CN 107339175A CN 201611013841 A CN201611013841 A CN 201611013841A CN 107339175 A CN107339175 A CN 107339175A
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- CN
- China
- Prior art keywords
- ptc
- ceramic heater
- engine oil
- inlet pipe
- oil inlet
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- 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
- F02M31/205—Control
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to a kind of diesel oil thermostat and control method, including engine oil inlet pipe, engine oil return pipe, the first radiator, the second radiator, the first PTC-ceramic heater, the second PTC-ceramic heater, the 3rd PTC-ceramic heater, protractor and controller.The technical program can realize the double-direction control of oil temperature, you can heating can also cool；The technical program is high using the small heat exchange efficiency of ptc heater thermal resistance, and high sensitivity temperature control is accurate, safe；Engine oil inlet pipe is not connected to engine oil return pipe, i.e., engine oil inlet does not mix with engine oil return, is not influenceed into time resistance.
Description
Technical field
The invention belongs to automotive fuel oil system technology and energy-saving field, particularly relates to a kind of diesel oil thermostat and controlling party
Method.
Background technology
With the development of modern logistics, the more and more various aspects applied to production and living of commercial car, diesel engine vehicle
The market of commercial car 90 percent is occupied because its moment of torsion is big, the advantages that fuel-economy.Experiment shows, supply side raw diesel
The terminal temperature of temperature meeting extreme influence engine diesel injection, the temperature change can cause the change of engine fuel consumption and discharge
Change.Constant oil consumption and the row of raising for contributing to reduce diesel engine particularly Design of High Pressure Common Rail Diesel Engine at 30 DEG C of diesel fuel supply side temperature
Zoom level.
Prior art is inlet oil temperature to be controlled using high temperature oil return is mixed into by the way of oil inlet pipe, using electricity plus
Heated filament is heated to fuel oil, and oil-feed is carried out using cooling system water circulation or exhaust gas heat the mode such as to heat.Engine
Fuel oil local circulation when using above-mentioned heater, temperature can more and more higher, and existing heater can only to fuel Heating,
Can not cool, potential safety hazard be present and reliability is low in heater strip heating, during using cooling system or exhaust gas heat, pipeline it is longer and
It is unfavorable for alleviating cold start-up problem, that is, the effect of above-mentioned heater is bad between starting.
The content of the invention
It is an object of the invention to provide a kind of diesel oil thermostat and control method, is only capable of heating to solve existing heater
And the problem of can not cooling.
The present invention is achieved by the following technical solutions：
A kind of diesel oil thermostat, including engine oil inlet pipe, engine oil return pipe, the first radiator, the second radiator,
First PTC-ceramic heater, the second PTC-ceramic heater, the 3rd PTC-ceramic heater, protractor and controller；
The first PTC-ceramic heater is arranged between the engine oil inlet pipe and first radiator, described
Second PTC-ceramic heater is arranged between the engine oil inlet pipe and the engine oil return pipe, first PTC-ceramic
Heater is relatively arranged on the both sides of the engine oil inlet pipe with the second PTC-ceramic heater；
The 3rd PTC-ceramic heater is arranged between the engine oil return pipe and second radiator, described
3rd PTC-ceramic heater is relatively arranged on the both sides of the engine oil return pipe with the second PTC-ceramic heater；
The temperature sensor is arranged at the oil-out of the engine oil inlet pipe, the temperature sensor and the control
Device electrical connection processed；
The first PTC-ceramic heater, the second PTC-ceramic heater and the 3rd PTC-ceramic heater are equal
With power electric connection, and the first PTC-ceramic heater, the second PTC-ceramic heater and the 3rd ceramic heat
Device is connected with the controller electric signal.
The surface contacted in the first PTC-ceramic heater with first radiator is plane, the first PTC potteries
The surface contacted in porcelain heater with the engine oil inlet pipe is provided with bulge-structure；
The surface contacted in the second PTC-ceramic heater with the engine oil inlet pipe and the engine oil return pipe
It is provided with bulge-structure；
The surface contacted in the 3rd PTC-ceramic heater with the engine oil return pipe is provided with bulge-structure, institute
It is plane to state the surface contacted in the 3rd PTC-ceramic heater with second radiator.
The engine oil inlet pipe is not connected to the engine oil return pipe.
A kind of diesel oil constant-temperature control method, using the diesel oil thermostat of any of the above-described；
Diesel fuel temperature at the oil-out of temperature sensor detection engine oil inlet pipe, and the diesel fuel temperature detected is believed
Number controller is fed back to, if the diesel fuel temperature is less than setting value, the controller controls the 3rd PTC-ceramic heater to disconnect,
First PTC-ceramic heater and the second PTC-ceramic heater work, and the first PTC-ceramic heater passes through described the
Ambient temperature is transferred to the engine oil inlet pipe side by one radiator, and the second PTC-ceramic heater is by the engine
Oil return pipe side heat is transferred to the engine oil inlet pipe side, and engine oil inlet pipe is heated；
If the diesel fuel temperature detected is higher than setting value, the controller controls the second PTC-ceramic heater to disconnect,
The first PTC-ceramic heater and the 3rd PTC-ceramic heater work, the first PTC-ceramic heater is by described in
The heat of engine oil inlet pipe side is transferred to the external world by the first radiator, and the 3rd PTC-ceramic heater starts described
The heat of machine oil inlet pipe side is transferred to the external world by the second radiator, cools for the engine oil inlet pipe side.
The setting value is 30 degrees Celsius.
The beneficial effects of the invention are as follows：
The technical program can realize the double-direction control of oil temperature, you can heating can also cool；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, safe；Engine oil inlet pipe and engine oil return Guan Bulian
Connect, i.e., engine oil inlet does not mix with engine oil return, does not influence into time resistance.
The technical program uses PTC-ceramic heater, because of semiconductor PTC Heating Characteristics, security and high sensitivity, help
In energy resource saving, the discharge of diesel engine is improved.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is PTC structural representations；
Fig. 3 is Fig. 2 band bulge-structure schematic diagram.
Description of reference numerals
1 engine oil inlet pipe, 2 engine oil return pipes, 3 temperature sensors, 4 first radiators, the heating of 5 first PTC-ceramics
Device, 6 second PTC-ceramic heaters, 7 the 3rd PTC-ceramic heaters, 8 second radiators, 9 bulge-structures.
Embodiment
Describe technical scheme in detail by the following examples, following embodiment be only it is exemplary, only
Explanation and illustration technical scheme can be used for, 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, and as shown in Figure 1 to Figure 3, including engine oil inlet pipe 1, engine return
Oil pipe 2, the first radiator 4, the second radiator 8, the first PTC-ceramic heater 5, the second PTC-ceramic heater 6, the 3rd PTC potteries
Porcelain heater 7, protractor 3 and controller.
First PTC-ceramic heater is arranged between engine oil inlet pipe and the first radiator, the second PTC-ceramic heater
It is arranged between engine oil inlet pipe and engine oil return pipe, the first PTC-ceramic heater is relative with the second PTC-ceramic heater
It is arranged at the both sides of engine oil inlet pipe.
3rd PTC-ceramic heater is arranged between engine oil return pipe and the second radiator, the 3rd PTC-ceramic heater
The both sides of engine oil return pipe are relatively arranged on the second PTC-ceramic heater.
Temperature sensor is arranged at the oil-out of engine oil inlet pipe, and temperature sensor is electrically connected with the controller；Temperature
The temperature signal detected is fed back to controller by sensor, and the size of current of three pieces of PTC-ceramic heaters is controlled by controller
And the sense of current.
First PTC-ceramic heater, the second PTC-ceramic heater and the 3rd PTC-ceramic heater and power electric connection,
And the first PTC-ceramic heater, the second PTC-ceramic heater and the 3rd ceramic heater are connected with controller electric signal.
Surface contact with the first radiator in first PTC-ceramic heater is plane, the first PTC-ceramic heater it is interior and
The surface of engine oil inlet pipe contact is provided with bulge-structure 7, to increase heat exchange area.
The surface contacted in second PTC-ceramic heater with engine oil inlet pipe and engine oil return pipe is provided with projection
Structure 7, to increase heat exchange area.
The surface contacted in 3rd PTC-ceramic heater with engine oil return pipe is provided with bulge-structure 7, to increase heat exchange
Area, the interior surface contacted with the second radiator of the 3rd PTC-ceramic heater is plane.
Engine oil inlet pipe is not connected to engine oil return pipe, does not interfere with engine oil inlet and oil return resistance so.
The application also provides a kind of diesel oil constant-temperature control method, using the diesel oil thermostat of any of the above-described.
Diesel fuel temperature at the oil-out of temperature sensor detection engine oil inlet pipe, and the diesel fuel temperature detected is believed
Number controller is fed back to, if diesel fuel temperature is less than setting value, the setting value is in the present embodiment 30 degrees Celsius, the application's
In other embodiments, set temperature value can also be varied as desired, and have no effect on the realization of technical scheme, still
In the technical program, with 30 degree of oil temperature most beneficial for the efficiency for playing engine；Controller controls the 3rd PTC-ceramic heater
Disconnect, the first PTC-ceramic heater and the second PTC-ceramic heater work, and the first PTC-ceramic heater passes through the first radiator
Ambient temperature is transferred to engine oil inlet pipe side, engine oil return pipe side heat is transferred to hair by the second PTC-ceramic heater
Motivation oil inlet pipe side, is heated to engine oil inlet pipe.
If the diesel fuel temperature detected is higher than setting value, the setting value is in the present embodiment 30 degrees Celsius, in the application
Other embodiments in, set temperature value can also be varied as desired, and have no effect on the realization of technical scheme, but
It is in the technical program, with 30 degrees Celsius of oil temperature most beneficial for the efficiency for playing engine；Controller controls the second PTC-ceramic
Heater disconnects, and the first PTC-ceramic heater and the work of the 3rd PTC-ceramic heater, the first PTC-ceramic heater is by engine
The heat of oil inlet pipe side is transferred to the external world by the first radiator, and the 3rd PTC-ceramic heater is by the warm of engine oil inlet pipe side
Amount is transferred to the external world by the second radiator, cools for engine oil inlet pipe side.
It the above is only the description of the preferred embodiment of the present invention, it is noted that due to the finiteness of literal expression, and
Unlimited concrete structure objectively be present, for those skilled in the art, do not departing from the principle of the invention
On the premise of, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (5)
- A kind of 1. diesel oil thermostat, it is characterised in that：Including engine oil inlet pipe, engine oil return pipe, the first radiator, Second radiator, the first PTC-ceramic heater, the second PTC-ceramic heater, the 3rd PTC-ceramic heater, protractor and control Device；The first PTC-ceramic heater is arranged between the engine oil inlet pipe and first radiator, and described second PTC-ceramic heater is arranged between the engine oil inlet pipe and the engine oil return pipe, the first PTC-ceramic heating Device is relatively arranged on the both sides of the engine oil inlet pipe with the second PTC-ceramic heater；The 3rd PTC-ceramic heater is arranged between the engine oil return pipe and second radiator, and the described 3rd PTC-ceramic heater is relatively arranged on the both sides of the engine oil return pipe with the second PTC-ceramic heater；The temperature sensor is arranged at the oil-out of the engine oil inlet pipe, the temperature sensor and the controller Electrical connection；The first PTC-ceramic heater, the second PTC-ceramic heater and the 3rd PTC-ceramic heater with electricity Source electrically connects, and the first PTC-ceramic heater, the second PTC-ceramic heater and the 3rd ceramic heater are equal It is connected with the controller electric signal.
- 2. diesel oil thermostat according to claim 1, it is characterised in that：In the first PTC-ceramic heater and institute The surface for stating the contact of the first radiator is plane, is contacted in the first PTC-ceramic heater with the engine oil inlet pipe Surface is provided with bulge-structure；The surface contacted in the second PTC-ceramic heater with the engine oil inlet pipe and the engine oil return pipe is all provided with It is equipped with bulge-structure；The surface contacted with the engine oil return pipe in the 3rd PTC-ceramic heater is provided with bulge-structure, and described the The surface contacted in three PTC-ceramic heaters with second radiator is plane.
- 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.
- A kind of 4. diesel oil constant-temperature control method, using the diesel oil thermostat of any one of the claims 1 to 3；Its feature It is：Diesel fuel temperature at the oil-out of temperature sensor detection engine oil inlet pipe, and the diesel fuel temperature signal detected is anti- Controller is fed to, if the diesel fuel temperature is less than setting value, the controller controls the 3rd PTC-ceramic heater to disconnect, first PTC-ceramic heater works with the second PTC-ceramic heater, and the first PTC-ceramic heater dissipates by described first Ambient temperature is transferred to the engine oil inlet pipe side by hot device, and the second PTC-ceramic heater is by the engine oil return Pipe side heat is transferred to the engine oil inlet pipe side, and engine oil inlet pipe is heated；If the diesel fuel temperature detected is higher than setting value, the controller controls the second PTC-ceramic heater to disconnect, described First PTC-ceramic heater and the 3rd PTC-ceramic heater work, the first PTC-ceramic heater start described The heat of machine oil inlet pipe side is transferred to the external world by the first radiator, and the 3rd PTC-ceramic heater enters the engine The heat of oil pipe side is transferred to the external world by the second radiator, cools for the engine oil inlet pipe side.
- 5. diesel oil constant-temperature control method according to claim 4, it is characterised in that：The setting value is 30 degrees Celsius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611013841.1A CN107339175A (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 |
|---|---|---|---|
| CN201611013841.1A CN107339175A (en) | 2016-11-18 | 2016-11-18 | A kind of diesel oil thermostat and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107339175A true CN107339175A (en) | 2017-11-10 |
Family
ID=60221966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611013841.1A Pending CN107339175A (en) | 2016-11-18 | 2016-11-18 | A kind of diesel oil thermostat and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107339175A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2220543Y (en) * | 1995-06-12 | 1996-02-21 | 崔彦 | Diesel oil warming apparatus |
| CN2226653Y (en) * | 1995-09-15 | 1996-05-08 | 白克祥 | Low temp. starting device for diesel motor |
| CN1425851A (en) * | 2001-12-12 | 2003-06-25 | 中国石化集团齐鲁石油化工公司 | Self temperature limiting heater for diesel engine oil supply system |
| CN200943544Y (en) * | 2006-09-08 | 2007-09-05 | 中国电子科技集团公司第十三研究所 | Heater of diesel engine |
| CN103122811A (en) * | 2012-11-28 | 2013-05-29 | 襄阳康捷飞龙电气有限公司 | Heating oil pipe for automobile |
-
2016
- 2016-11-18 CN CN201611013841.1A patent/CN107339175A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2220543Y (en) * | 1995-06-12 | 1996-02-21 | 崔彦 | Diesel oil warming apparatus |
| CN2226653Y (en) * | 1995-09-15 | 1996-05-08 | 白克祥 | Low temp. starting device for diesel motor |
| CN1425851A (en) * | 2001-12-12 | 2003-06-25 | 中国石化集团齐鲁石油化工公司 | Self temperature limiting heater for diesel engine oil supply system |
| CN200943544Y (en) * | 2006-09-08 | 2007-09-05 | 中国电子科技集团公司第十三研究所 | Heater of diesel engine |
| CN103122811A (en) * | 2012-11-28 | 2013-05-29 | 襄阳康捷飞龙电气有限公司 | Heating oil pipe for automobile |
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Application publication date: 20171110 |
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| RJ01 | Rejection of invention patent application after publication |