CN211202160U - Device for controlling fuel temperature of single-cylinder diesel engine - Google Patents
Device for controlling fuel temperature of single-cylinder diesel engine Download PDFInfo
- Publication number
- CN211202160U CN211202160U CN202020038757.0U CN202020038757U CN211202160U CN 211202160 U CN211202160 U CN 211202160U CN 202020038757 U CN202020038757 U CN 202020038757U CN 211202160 U CN211202160 U CN 211202160U
- Authority
- CN
- China
- Prior art keywords
- fuel
- cooling
- fuel temperature
- cylinder
- temperature
- 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.)
- Active
Links
Images
Landscapes
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The utility model provides a device of control single cylinder diesel fuel temperature, including fuel temperature cooling cylinder, fuel cooling tube, the fuel cooling tube sets up in fuel temperature cooling cylinder, the both ends of fuel cooling tube are stretched out from fuel temperature cooling cylinder, the one end of fuel cooling tube is cooling tube import, the other end is the cooling tube export, the cooling tube import communicates with the oil return valve of diesel engine electric control pump, the cooling tube oil-out communicates with the oil inlet pipe of electric control pump, there is the coolant liquid in the fuel temperature cooling cylinder, the coolant liquid carries out the heat exchange with the fuel of flowing through the cooling tube. The utility model discloses in it gets back to automatically controlled pump again after cooling off discharged high temperature fuel, the fuel of automatically controlled pump flows through the cooling tube and carries out the heat exchange with the coolant liquid in the fuel temperature cooling cylinder to make the fuel can be cooled off when flowing through fuel cooling tube, thereby reduce the influence of fuel temperature to the engine, improve the accuracy in the engine test process effectively.
Description
Technical Field
The utility model relates to a diesel engine technical field, more specifically say, relate to a device of control single cylinder diesel fuel temperature.
Background
The electronically controlled pump is one of the most important components in the fuel supply system of a single cylinder diesel engine. During the working process of the electric control pump, a large amount of high-temperature fuel oil returns to an oil inlet pipe of the electric control pump through an oil return pipe without being cooled, so that when the environmental temperature is high, the fuel oil temperature is high, the power of an engine is reduced, and the accuracy of the engine in the test process is influenced; meanwhile, because the fuel temperature cannot be controlled, when the ambient temperature is low, the fuel temperature is low, and the power of the engine is high in a deficiency manner in the test process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a control single cylinder diesel fuel temperature's device can control the fuel temperature of the automatically controlled pump of diesel engine effectively to overcome prior art's not enough.
The technical proposal of the utility model for solving the technical problem is that: the utility model provides a control single cylinder diesel engine fuel temperature's device, includes fuel temperature cooling cylinder, fuel cooling tube, the fuel cooling tube sets up in fuel temperature cooling cylinder, the both ends of fuel cooling tube are stretched out from fuel temperature cooling cylinder, the one end of fuel cooling tube is cooling tube import, the other end is the cooling tube export, the cooling tube import communicates with the scavenge return valve of diesel engine electric control pump, the cooling tube oil-out communicates with the advance oil pipe of electric control pump, there is the coolant liquid in the fuel temperature cooling cylinder, the coolant liquid carries out the heat exchange with the fuel of flowing through the cooling tube.
The fuel oil cooling pipe is spiral, wavy or folded, and the liquid level of the cooling liquid can overflow the highest position of the fuel oil cooling pipe in the vertical direction.
The fuel temperature measuring device is characterized in that a fuel temperature measuring instrument is arranged on a communicating pipeline between the cooling pipe oil outlet and an oil inlet pipe of the electric control pump, a cavity of the fuel temperature measuring instrument is communicated with the cooling pipe oil outlet and the oil inlet pipe of the electric control pump, and the fuel temperature measuring instrument is provided with a fuel temperature sensor which is used for monitoring the temperature of fuel in the cavity of the fuel temperature measuring instrument.
The cavity of the fuel temperature measuring instrument is also communicated with a main fuel tank of the diesel engine.
The fuel temperature cooling cylinder is provided with a cooling cylinder inlet and a cooling cylinder outlet, the cooling cylinder inlet is used for adding cooling liquid into the fuel temperature cooling cylinder, the cooling cylinder outlet is used for discharging the cooling liquid in the fuel temperature cooling cylinder, the cooling liquid inlet is communicated with a cooling liquid supply device, and the cooling liquid outlet is communicated with a cooling liquid receiving device.
The cooling liquid is water.
The utility model has the advantages that:
the utility model provides a device for controlling the fuel temperature of a single cylinder diesel engine, which cools the discharged high-temperature fuel and then returns to an electric control pump, the fuel of the electric control pump flows through a cooling pipe and exchanges heat with the cooling liquid in a fuel temperature cooling cylinder, so that the fuel can be cooled when flowing through a fuel cooling pipe; the device monitors the fuel temperature by arranging the fuel temperature measuring instrument, and controls the fuel temperature by controlling the amount of the cooling liquid in the fuel temperature cooling cylinder, thereby reducing the influence of the fuel temperature on the engine and effectively improving the accuracy in the engine test process.
Drawings
Fig. 1 is a schematic structural diagram of the device for controlling the fuel temperature of the single cylinder diesel engine.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. "plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected. Can also be detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
Referring to fig. 1, the device for controlling the fuel temperature of the single cylinder diesel comprises a fuel temperature cooling cylinder 1, a fuel cooling pipe 2 and a fuel temperature measuring instrument 3.
The fuel oil cooling pipe 2 is arranged in the fuel oil temperature cooling cylinder 1, and cooling liquid is filled in the fuel oil temperature cooling cylinder 1; the fuel oil cooling pipe 2 is spiral, the total number of turns is eight, the fuel oil cooling pipe rotates rightwards along the direction of a horizontal shaft, and the liquid level of the cooling liquid can overflow the highest position of the fuel oil cooling pipe 2 in the vertical direction. Wherein, the fuel cooling pipe 2 the utility model discloses a water has characteristics with low costs, that the cooling effect is good as the coolant liquid.
Both ends of the fuel cooling pipe 2 extend out from the left and right sides of the fuel temperature cooling cylinder 1, respectively, and one end thereof is a cooling pipe inlet 21 and the other end thereof is a cooling pipe outlet 22. The cooling pipe inlet 21 is communicated with an oil return valve of the diesel engine electric control pump 4 through a first fuel oil return pipe 23, the cooling pipe outlet 22 is communicated with an oil inlet pipe of the electric control pump 4, and the fuel oil flowing through the cooling pipe exchanges heat with the cooling liquid, so that the fuel oil can be cooled when flowing through the fuel oil cooling pipe 2.
The fuel temperature measuring instrument 3 is arranged on a communicating pipeline between the cooling pipe outlet 22 and the fuel inlet pipe of the electric control pump 4, the cooling pipe outlet 22 is communicated with the containing cavity of the fuel temperature measuring instrument 3 through a second fuel return pipe 24, the fuel inlet pipe of the electric control pump 4 is communicated with the containing cavity of the fuel temperature measuring instrument 3 through a fuel outlet pipe 31, and the fuel enters the containing cavity of the fuel temperature measuring instrument 3 through the second fuel return pipe 24 and then enters the electric control pump 4 through the fuel outlet pipe 31. In addition, the main oil tank of the diesel engine is communicated with the cavity of the fuel temperature measuring instrument 3 through a fuel inlet pipe 32, and the fuel of the main oil tank also enters the cavity of the fuel temperature measuring instrument 3. The top of the fuel temperature measuring instrument 3 is provided with a fuel temperature sensor 33 connected with the controller, and the fuel temperature sensor is used for monitoring the temperature of the fuel in the cavity of the fuel temperature measuring instrument 3 in real time.
The left side and the right side of the fuel temperature cooling cylinder 1 are respectively provided with a cooling cylinder inlet 11 and a cooling cylinder outlet 12, the cooling cylinder inlet 11 is used for adding cooling liquid into the fuel temperature cooling cylinder 1, and the cooling cylinder outlet 12 is used for discharging the cooling liquid in the fuel temperature cooling cylinder 1; the cooling liquid inlet is communicated with the cooling liquid supply device, and the cooling liquid outlet is communicated with the cooling liquid receiving device. Preferably, a first switch connected to the controller may be provided on a communication pipe between the coolant inlet and the coolant supply device, a second switch connected to the controller may be provided on a communication pipe between the coolant outlet and the coolant receiving device, and communication/interruption between the coolant inlet and the coolant supply device and between the coolant outlet and the coolant receiving device may be controlled by the first switch and the second switch, respectively.
The optimum fuel temperature of the engine is 30-35 ℃, and the fuel temperature is controlled by controlling the amount of the cooling liquid in the fuel temperature cooling cylinder 1. The arrow in the figure indicates the flow direction of the fuel, when the fuel temperature measuring instrument 3 monitors that the temperature of the fuel is higher than 35 ℃ in real time, the controller drives the first switch to be opened so that the cooling liquid inlet is communicated with the cooling liquid supply device, and a certain amount of cooling liquid is added into the fuel temperature cooling cylinder 1; when the fuel temperature measuring instrument 3 monitors that the temperature of the fuel is lower than 30 ℃ in real time, the controller drives the second switch to be opened so that the cooling liquid outlet is communicated with the cooling liquid receiving device, and a certain amount of cooling liquid in the fuel temperature cooling cylinder 1 is discharged.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents, and all changes that can be made without inventive step are intended to be embraced therein.
Claims (6)
1. A device for controlling the fuel temperature of a single cylinder diesel engine is characterized in that: including fuel temperature cooling cylinder, fuel cooling tube, the fuel cooling tube sets up in fuel temperature cooling cylinder, the both ends of fuel cooling tube stretch out from fuel temperature cooling cylinder, the one end of fuel cooling tube is cooling tube import, the other end is the cooling tube export, the cooling tube import communicates with the oil return valve of diesel engine electric control pump, the cooling tube oil-out communicates with the oil feed pipe of electric control pump, there is the coolant liquid in the fuel temperature cooling cylinder, the coolant liquid carries out the heat exchange with the fuel of flowing through the cooling tube.
2. The apparatus for controlling the temperature of a fuel for a single cylinder diesel engine of claim 1, wherein: the fuel oil cooling pipe is spiral, wavy or folded, and the liquid level of the cooling liquid can overflow the highest position of the fuel oil cooling pipe in the vertical direction.
3. The apparatus for controlling the temperature of a fuel for a single cylinder diesel engine of claim 1, wherein: the fuel temperature measuring device is characterized in that a fuel temperature measuring instrument is arranged on a communicating pipeline between the cooling pipe oil outlet and an oil inlet pipe of the electric control pump, a cavity of the fuel temperature measuring instrument is communicated with the cooling pipe oil outlet and the oil inlet pipe of the electric control pump, and the fuel temperature measuring instrument is provided with a fuel temperature sensor which is used for monitoring the temperature of fuel in the cavity of the fuel temperature measuring instrument.
4. The apparatus for controlling the temperature of a fuel for a single cylinder diesel engine of claim 3, wherein: the cavity of the fuel temperature measuring instrument is also communicated with a main fuel tank of the diesel engine.
5. The apparatus for controlling the temperature of a fuel for a single cylinder diesel engine of claim 1, wherein: the fuel temperature cooling cylinder is provided with a cooling cylinder inlet and a cooling cylinder outlet, the cooling cylinder inlet is used for adding cooling liquid into the fuel temperature cooling cylinder, the cooling cylinder outlet is used for discharging the cooling liquid in the fuel temperature cooling cylinder, the cooling liquid inlet is communicated with a cooling liquid supply device, and the cooling liquid outlet is communicated with a cooling liquid receiving device.
6. The apparatus for controlling the temperature of a fuel for a single cylinder diesel engine of claim 1, wherein: the cooling liquid is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020038757.0U CN211202160U (en) | 2020-01-09 | 2020-01-09 | Device for controlling fuel temperature of single-cylinder diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020038757.0U CN211202160U (en) | 2020-01-09 | 2020-01-09 | Device for controlling fuel temperature of single-cylinder diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211202160U true CN211202160U (en) | 2020-08-07 |
Family
ID=71888602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020038757.0U Active CN211202160U (en) | 2020-01-09 | 2020-01-09 | Device for controlling fuel temperature of single-cylinder diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211202160U (en) |
-
2020
- 2020-01-09 CN CN202020038757.0U patent/CN211202160U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101749195B (en) | Cooling system and method for wind turbine components | |
| CN209159450U (en) | A kind of liquid cooling charging pile of automatic liquid supply | |
| CN106328971A (en) | Cooling system of hydrogen energy tramcar fuel cell | |
| CN103448899B (en) | Central cooling system for ship | |
| CN203473236U (en) | Ship-used central cooling system | |
| CN111816894A (en) | Fuel cell heat management device and control method thereof | |
| CN105572602A (en) | Test platform for fuel cell cooling system | |
| CN109681343A (en) | A kind of boat diesel engine jacket water residual heat using device | |
| CN209312963U (en) | Water-cooled plate, battery pack and batteries of electric automobile packet heat management system | |
| CN211202160U (en) | Device for controlling fuel temperature of single-cylinder diesel engine | |
| CN207686780U (en) | A kind of oil temperature control structure | |
| CN104295359A (en) | Engine intercooling temperature control device and operating method thereof | |
| CN202019287U (en) | Circulating water cooling device for explosion-proof high voltage frequency converter | |
| CN202075129U (en) | Diesel engine test room heat exchange water circulation system | |
| CN218525611U (en) | Water route cold start big or small circulation system of fuel cell pile test | |
| CN214741621U (en) | Engine and cooling system thereof | |
| CN211177453U (en) | Multi-medium multi-temperature intelligent heating equipment | |
| CN208806073U (en) | A kind of coolant Residual heat removal automatic monitored control system for sea based reactor | |
| CN204388457U (en) | Cooling water recirculation system | |
| CN202789858U (en) | Hydraulic station | |
| CN208706806U (en) | A kind of batteries of electric automobile thermostat | |
| CN217716078U (en) | Liquid cooling heat exchange system with backup function, flow and pressure adjustable and accurate temperature control functions | |
| CN210845931U (en) | A fountain temperature adjusting device for intercooling circulation marine gas turbine | |
| CN205064279U (en) | Air compressor secondary heat -exchanging device with function of waste heat recovery | |
| CN207602729U (en) | A kind of heating cooling integration device of power battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |