CN207777004U - A kind of low pressure diesel automatic control system - Google Patents
A kind of low pressure diesel automatic control system Download PDFInfo
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- CN207777004U CN207777004U CN201820016481.9U CN201820016481U CN207777004U CN 207777004 U CN207777004 U CN 207777004U CN 201820016481 U CN201820016481 U CN 201820016481U CN 207777004 U CN207777004 U CN 207777004U
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Abstract
The utility model provides a kind of low pressure diesel automatic control system, including：Electromagnetic switch valve, first pressure sensor, second pressure sensor, environment temperature sensor, suggestion device, controller, low pressure electric pump, fuel tank and engine, fuel tank, low pressure electric pump and engine are sequentially connected end to end, first pressure sensor is arranged on the pipeline that low pressure electric pump is connect with engine, second pressure sensor is arranged on the pipeline that engine is connect with fuel tank, electromagnetic switch valve is arranged on the pipeline that engine oil outlet is connect with low pressure electric pump oil inlet, the temperature that controller is detected based on environment temperature sensor, first pressure sensor and the pressure of second pressure sensor detection are opened to control electromagnetic switch valve.The utility model can automatically heat fuel oil, be not required to people rule of thumb and get off to control fuel system heating and the course of work, improve drive safety.
Description
Technical field
The utility model belongs to the technical field of fuel oil for vehicles feed system design, more particularly to a kind of low pressure diesel is automatic
Control system.
Background technology
Traditional derv fuel feed system component is mainly by fuel tank, coarse filter, oil transfer pump, fine cleaner, high-pressure oil pump, height
Pressuring oil pipe, fuel injector and low-voltage fuel pipeline composition；Oil transfer pump operating generates negative pressure and diesel oil is sucked out from fuel tank, diesel oil warp
Oil transportation pump intake is entered after low-voltage fuel pipeline and coarse filter, diesel oil is transported to high-pressure oil pump by oil transfer pump through fine cleaner, high
For pressure oil pump by diesel compression to be transported to fuel injector after high pressure fuel, fuel injector will be in fuel spraying to engine chamber
It burns.
Since to have the shortcomings that mobility is affected by temperature big for derv fuel, when temperature is less than its freezing point temperature, bavin
Oil has solid precipitation, influences flowability of diesel oil, and then influence the normal fuel injection of diesel vehicle；GB19147 is according to automobile-used thus
The difference of measuring change of diesel oil solidifying point is divided into 6 trades mark, and defines the requirement of their condensation point and cold filter plugging point accordingly, so selecting
The product of the different trades mark should be selected when derv fuel product according to practical climatic condition there and then, in order to avoid influence engine
Normal work.
The general technology scheme that area uses below its allowable temperature for label diesel oil at present is as follows, is added using electricity
Heat, coolant liquid heating or engine exhaust mode of heating heat diesel oil in fuel tank, are added using electrical heating or coolant liquid
Hot mode heats low-voltage fuel pipeline, ensures that diesel fuel temperature reaches its allowable temperature by above-mentioned mode of heating, in turn
Realize the normal work of engine.
In above-mentioned fuel Heating scheme, mostly mechanical, hand-driven is used to control fuel Heating process, need people rule of thumb
It is controlled, while needing parking toll, especially there is very big security risk on a highway；Therefore, it is badly in need of a set of automatic
Control system solves the problems, such as this.
Utility model content
In view of the above technical problems, the utility model provides a kind of low pressure diesel automatic control system, which can be certainly
Dynamic ground heats fuel oil, is not required to people rule of thumb and gets off to control fuel system heating and the course of work.
The technical solution adopted in the utility model is：
The utility model embodiment provides a kind of low pressure diesel automatic control system, including：Electromagnetic switch valve, first pressure
Sensor, second pressure sensor, environment temperature sensor, suggestion device, controller, low pressure electric pump, fuel tank and engine, institute
It states fuel tank to connect with the oil inlet of the low pressure electric pump by the first pipeline, the oil outlet of the low pressure electric pump passes through the second pipeline
It is connect with the fuel tank by third pipeline with the oil return opening of the connection of the oil inlet of engine, the engine, described first
The 4th pipeline is provided between pipeline and the third pipeline, the electromagnetic switch valve is arranged on the 4th pipeline, described
First pressure sensor is arranged on second pipeline, and the second pressure sensor is arranged on the third pipeline, institute
State controller and the electromagnetic switch valve, the low pressure electric pump, the first pressure sensor, the second pressure sensor,
The suggestion device is connected with the environment temperature sensor, and based on the temperature, described of environment temperature sensor detection
First pressure sensor and the pressure of second pressure sensor detection are connected the described 4th to control the electromagnetic switch valve
Pipeline.
Optionally, the controller is detected based on the environment temperature sensor temperature, the first pressure sensor
It is specifically included with the pressure of second pressure sensor detection to control the electromagnetic switch valve conducting the 4th pipeline：When
When the temperature of the environment temperature sensor detection is less than preset temperature, the controller controls the low tension pump work；When
The pressure of first pressure sensor detection is more than or equal to the first preset pressure and the second pressure sensor detects
When pressure is more than or equal to the second preset pressure, the controller rear control suggestion device in the first preset time is referred to
Show the prompt operation for starting the engine；And when the pressure of first pressure sensor detection drops to less than 0bar
When, the controller rear control low pressure electric pump in the second preset time is stopped, and controls the electromagnetic switch valve
It opens so that the 4th pipeline conducting.
Optionally, the preset temperature is 5 DEG C, and first preset pressure is 4bar, and second preset pressure is
10kPa。
Optionally, first preset time is 30s, and second preset time is 1min.
Optionally, the suggestion device is indicator light.
The low pressure diesel automatic control system that the utility model embodiment provides, the temperature detected by environment temperature sensor
The pressure of degree, first pressure sensor and the detection of second pressure sensor connects returning for engine to control electromagnetic switch valve conducting
Pipeline between hydraulic fluid port and the oil inlet of low pressure electric pump so that the oil return of engine can be communicates directly to engine oil inlet, profit
It is not required to people so as to be heated automatically to fuel oil with the waste-heat oil inlet of oil return rule of thumb and got off to control combustion
Oil system heats and the course of work, improves drive safety.
Description of the drawings
Fig. 1 is the structural schematic diagram for the low pressure diesel automatic control system that the utility model embodiment provides.
Specific implementation mode
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
Fig. 1 is the structural schematic diagram for the low pressure diesel automatic control system that the utility model embodiment provides.Such as Fig. 1 institutes
Show, the low pressure diesel automatic control system that the utility model embodiment provides, including：Electromagnetic switch valve 1, first pressure sensor
2, second pressure sensor 3, environment temperature sensor 4, suggestion device 5, controller 6, low pressure electric pump 7, fuel tank 8 and engine 9.
The fuel tank 8 is connect by the first pipeline with the oil inlet of the low pressure electric pump 7, and the oil outlet of the low pressure electric pump 7 passes through
The oil inlet of two pipelines and engine 9 is connect with the entrance of the oil transfer pump of engine, the oil return opening of the engine 9 passes through
Third pipeline is connect with the fuel tank 8, and the 4th pipeline, the electromagnetism are provided between first pipeline and the third pipeline
Switch valve 1 is arranged on the 4th pipeline, and the first pressure sensor 2 is arranged on second pipeline, and described second
Pressure sensor 3 is arranged on the third pipeline, the controller 6 and the electromagnetic switch valve 1, the low pressure electric pump 7, institute
First pressure sensor 2, the second pressure sensor 3, the suggestion device 5 and the environment temperature sensor 4 is stated to connect,
And temperature, the first pressure sensor 2 and the second pressure sensor 3 detected based on the environment temperature sensor 4
The 4th pipeline is connected to control the electromagnetic switch valve 1 in the pressure of detection.
In the present embodiment, first pressure sensor 2 is high-pressure pressure sensor, 3 low pressure pressures of second pressure sensor
Force snesor, controller 6 and suggestion device 5 are arranged in driving, and controller 6 can be any device with control function, example
Such as microcontroller, suggestion device 5 can be indicator light.Environment temperature sensor 4 may be provided at driver's cabin or outside vehicle, for examining
Survey environment temperature.
Further, the controller 6 is detected based on the environment temperature sensor 4 temperature, the first pressure pass
Sensor 2 and the pressure of the second pressure sensor 3 detection are connected the 4th pipeline controlling the electromagnetic switch valve 1 and can have
Body includes：When the temperature that the environment temperature sensor 4 detects is less than preset temperature, the controller 6 controls the low pressure
Electric pump 7 works；When the pressure that the first pressure sensor 2 detects is more than or equal to the first preset pressure and the second pressure
When the pressure that sensor 3 detects is more than or equal to the second preset pressure, the controller is in the first preset time described in rear control
Suggestion device 5 carries out the prompt operation that instruction starts the engine；And the pressure when the detection of the first pressure sensor 1
When dropping to less than 0bar, the rear low pressure electric pump 7 that controls in the second preset time of the controller 6 is stopped, and controls
Make the opening of the electromagnetic switch valve 1 so that the 4th pipeline conducting.
In one exemplary embodiment, the preset temperature is 5 DEG C, and first preset pressure is 4bar, described the
Two preset pressures are 10kPa, and first preset time is 30s, and second preset time is 1min.
In a specific example, when engine ignition key is in ACC grades, controller 6 is started to work；Work as environment temperature
When 5 DEG C of the temperature T1 ＜ that are detected of sensor 4, controller 6 controls low pressure electric pump 7 and works；When high-pressure pressure sensor 2 is detected
Pressure P1 >=4bar and low-pressure sensor 3 detected pressure P2 >=10kPa when, controller 6 starts timing, after 30s,
Controller 6 controls indicator light 5 and lights, and signal driver can start engine；It is defeated due to low pressure fuel pump 7 after engine start
Oil mass is less than the fuel consumption of engine, and the oil pressure pressure on the second pipeline can reduce, in the pressure that high-pressure pressure sensor 2 is detected
After power P1 drops to ＜ 0bar, controller 6 starts timing, and after 1min, control low pressure electric pump 7 is stopped, and then controller 6 is controlled
Electromagnetic switch valve 1 processed is opened, and the 4th pipeline is connected so that engine oil return is communicates directly to engine oil inlet, more than oil return
Heat heating oil inlet.
To sum up, the low pressure diesel automatic control system that the utility model embodiment provides, is examined by environment temperature sensor
Temperature, first pressure sensor and the pressure of second pressure sensor detection of survey are started to control electromagnetic switch valve conducting connection
Pipeline between the oil return opening and the oil inlet of low pressure electric pump of machine so that the oil return of engine can be communicates directly to engine into
Oil, so as to be heated automatically to fuel oil, is not required to people rule of thumb and gets off to control using the waste-heat oil inlet of oil return
Fuel system heating processed and the course of work, improve drive safety.
Embodiment described above, only specific embodiment of the present utility model, to illustrate the technology of the utility model
Scheme, rather than its limitations, the scope of protection of the utility model are not limited thereto, although with reference to the foregoing embodiments to this practicality
It is novel to be described in detail, it will be understood by those of ordinary skill in the art that：Any technology people for being familiar with the art
Member within the technical scope disclosed by the utility model, can still modify to the technical solution recorded in previous embodiment
Or variation or equivalent replacement of some of the technical features can be readily occurred in；And these modifications, variation or replacement,
The spirit and scope for the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution should all cover at this
Within the protection domain of utility model.Therefore, the scope of protection of the utility model is answered described is with scope of the claims
It is accurate.
Claims (5)
1. a kind of low pressure diesel automatic control system, which is characterized in that including：Electromagnetic switch valve, first pressure sensor, second
Pressure sensor, environment temperature sensor, suggestion device, controller, low pressure electric pump, fuel tank and engine, the fuel tank pass through
First pipeline is connect with the oil inlet of the low pressure electric pump, and the oil outlet of the low pressure electric pump passes through the second pipeline and engine
The oil return opening of the connection of oil inlet, the engine is connect by third pipeline with the fuel tank, first pipeline and described
The 4th pipeline is provided between third pipeline, the electromagnetic switch valve is arranged on the 4th pipeline, and the first pressure passes
Sensor is arranged on second pipeline, and the second pressure sensor is arranged on the third pipeline, the controller with
The electromagnetic switch valve, the low pressure electric pump, the first pressure sensor, the second pressure sensor, prompt dress
It sets and is connected with the environment temperature sensor, and the temperature based on environment temperature sensor detection, the first pressure pass
The 4th pipeline is connected to control the electromagnetic switch valve in sensor and the pressure of second pressure sensor detection.
2. low pressure diesel automatic control system according to claim 1, which is characterized in that the controller is based on the ring
Temperature, the first pressure sensor and the pressure of second pressure sensor detection of border temperature sensor detection controls
The electromagnetic switch valve is connected the 4th pipeline and specifically includes：
When the temperature of environment temperature sensor detection is less than preset temperature, the controller controls the low pressure electric pump work
Make；
When the pressure of first pressure sensor detection is more than or equal to the first preset pressure and the second pressure sensor
When the pressure of detection is more than or equal to the second preset pressure, the controller rear control suggestion device in the first preset time
Carry out the prompt operation that instruction starts the engine；And
When the pressure of first pressure sensor detection drops to less than 0bar, the controller is in the second preset time
After control the low pressure electric pump and be stopped, and control the electromagnetic switch valve and open so that the 4th pipeline conducting.
3. low pressure diesel automatic control system according to claim 2, which is characterized in that the preset temperature is 5 DEG C, institute
It is 4bar to state the first preset pressure, and second preset pressure is 10kPa.
4. low pressure diesel automatic control system according to claim 2, which is characterized in that first preset time is
30s, second preset time are 1min.
5. low pressure diesel automatic control system according to claim 1, which is characterized in that the suggestion device is instruction
Lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820016481.9U CN207777004U (en) | 2018-01-05 | 2018-01-05 | A kind of low pressure diesel automatic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820016481.9U CN207777004U (en) | 2018-01-05 | 2018-01-05 | A kind of low pressure diesel automatic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207777004U true CN207777004U (en) | 2018-08-28 |
Family
ID=63223536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820016481.9U Active CN207777004U (en) | 2018-01-05 | 2018-01-05 | A kind of low pressure diesel automatic control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508474A (en) * | 2022-01-29 | 2022-05-17 | 松下压缩机(大连)有限公司 | Refrigerating system for linkage control of oil temperature and oil quantity |
-
2018
- 2018-01-05 CN CN201820016481.9U patent/CN207777004U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508474A (en) * | 2022-01-29 | 2022-05-17 | 松下压缩机(大连)有限公司 | Refrigerating system for linkage control of oil temperature and oil quantity |
| CN114508474B (en) * | 2022-01-29 | 2024-04-19 | 冰山松洋压缩机(大连)有限公司 | Refrigerating system for oil temperature and oil quantity linkage control |
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