CN219118270U - Fuel pipeline system and excavator - Google Patents
Fuel pipeline system and excavator Download PDFInfo
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- CN219118270U CN219118270U CN202320174025.8U CN202320174025U CN219118270U CN 219118270 U CN219118270 U CN 219118270U CN 202320174025 U CN202320174025 U CN 202320174025U CN 219118270 U CN219118270 U CN 219118270U
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Abstract
The utility model provides a fuel oil pipeline system and an excavator. The fuel oil piping system includes: the controller is respectively connected with the atmospheric pressure detection element and the fuel pressure detection element; the controller receives the first signal sent by the atmospheric pressure detecting element and receives the second signal sent by the fuel pressure detecting element; the electronic fuel supply pump is respectively connected with the controller, the fuel tank and the engine; the fuel pressure detecting element is arranged between the electronic fuel supply pump and the engine; the controller sends a working signal to the electronic fuel supply pump under the condition that the first signal is smaller than a first threshold value; the working signal is used for indicating the electronic fuel supply pump to convey fuel oil to the engine through the fuel tank; the controller sends an acceleration signal to the electronic fuel feed pump when the second signal is smaller than a second threshold value; the acceleration signal is used for indicating the electronic fuel supply pump to accelerate the fuel supply to the engine. The scheme of the utility model can stably supply oil under the condition that the fuel oil pipeline system is positioned on a plateau or at low pressure.
Description
Technical Field
The utility model relates to the technical field of excavators, in particular to a fuel oil pipeline system and an excavator.
Background
The fuel oil pipeline system in the prior art has no electronic fuel supply pump, so that the phenomenon that the excavator is difficult to start, the service life of the engine is reduced, the excavator emits black smoke, the whole vehicle shakes and the like can be caused due to insufficient fuel oil supply pressure under the condition of high altitude or low pressure.
Disclosure of Invention
The embodiment of the utility model provides a fuel oil pipeline system and an excavator, which are used for solving the problem that the fuel oil pipeline system of the excavator in the prior art cannot supply oil stably under the condition of high altitude or low pressure.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the embodiment of the utility model provides a fuel oil pipeline system, which comprises: the device comprises a controller, a fuel tank, an electronic fuel supply pump, an engine, an atmospheric pressure detection element and a fuel pressure detection element;
the electronic fuel feed pump is respectively connected with the controller, the fuel tank and the engine;
the fuel pressure detecting element is arranged between the electronic fuel feed pump and the engine;
the controller is respectively connected with the atmospheric pressure detection element and the fuel pressure detection element; the controller receives a first signal sent by the atmospheric pressure detection element and receives a second signal sent by the fuel pressure detection element;
wherein, the controller sends an operating signal to the electronic fuel feed pump if the first signal is less than a first threshold; the working signal is used for indicating the electronic fuel feed pump to deliver fuel to the engine through the fuel tank;
in the case that the second signal is smaller than a second threshold value, the controller sends an acceleration signal to the electronic fuel feed pump; the acceleration signal is used for indicating the electronic fuel supply pump to accelerate fuel delivery to the engine.
Optionally, the fuel oil piping system further comprises:
a fuel one-way pressure control valve;
the fuel unidirectional pressure control valve is arranged between the electronic fuel supply pump and the fuel pressure detection element and is connected with the fuel tank;
wherein, when the second signal is larger than a third threshold value, the controller (1) sends a starting signal to the fuel one-way pressure control valve (5).
Optionally, the atmospheric pressure detecting element includes:
the air pressure sensor is used for collecting air pressure information and sending the first signal to the controller;
the first signal is used to indicate a pressure value of the current atmospheric pressure.
Optionally, the fuel pressure detecting element includes:
the fuel oil pressure sensor is used for collecting pressure value information in a fuel oil pipeline between the electronic fuel supply pump and the engine and sending the second signal to the controller;
the second signal is used to indicate current pressure value information in a fuel line between the electronic fuel feed pump and the engine.
Optionally, the fuel oil piping system further comprises:
an instrument panel connected with the controller;
the controller displays first prompt information of atmospheric pressure and/or current altitude on the instrument panel according to the first signal;
the controller displays a second prompt message of fuel pressure and/or fuel supply rate of a fuel pipeline between the electronic fuel supply pump (3) and the engine on the instrument panel according to the second signal.
The embodiment of the utility model also provides an excavator, which comprises the fuel oil pipeline system.
The beneficial effects of the utility model are as follows:
the fuel oil pipeline system in the embodiment of the utility model comprises: the controller is respectively connected with the atmospheric pressure detection element and the fuel pressure detection element; the controller receives the first signal sent by the atmospheric pressure detecting element and receives the second signal sent by the fuel pressure detecting element; the electronic fuel supply pump is respectively connected with the controller, the fuel tank and the engine; the fuel pressure detecting element is arranged between the electronic fuel supply pump and the engine; the controller sends a working signal to the electronic fuel supply pump under the condition that the first signal is smaller than a first threshold value; the working signal is used for indicating the electronic fuel supply pump to convey fuel oil to the engine through the fuel tank; the controller sends an acceleration signal to the electronic fuel feed pump when the second signal is smaller than a second threshold value; the acceleration signal is used for indicating the electronic fuel supply pump to accelerate the fuel oil delivery to the engine, and through the technical scheme, the fuel oil pipeline system can stably supply the fuel oil under the condition of high altitude or low pressure, so that the practicability of the excavator is improved.
Drawings
Fig. 1 shows a schematic structural diagram of a fuel oil pipeline system according to an embodiment of the present utility model.
Reference numerals illustrate:
1-a controller; 2-a fuel tank; 3-an electronic fuel feed pump; 4-an engine; 5-a fuel unidirectional pressure control valve; 6-an air pressure sensor; 7-fuel pressure sensor.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided merely to facilitate a thorough understanding of embodiments of the utility model. It will therefore be apparent to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the utility model. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present utility model. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present utility model, it should be understood that the sequence numbers of the following processes do not mean the order of execution, and the order of execution of the processes should be determined by the functions and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present utility model.
The utility model provides a fuel oil pipeline system and an excavator, aiming at the problem that the fuel oil pipeline system of the excavator in the prior art cannot supply oil stably under the condition of high altitude or low pressure.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a fuel oil pipeline system, and as shown in fig. 1, an embodiment of the present utility model provides a fuel oil pipeline system, including: a controller 1, a fuel tank 2, an electronic fuel feed pump 3, an engine 4, an atmospheric pressure detecting element, and a fuel pressure detecting element;
the electronic fuel feed pump 3 is respectively connected with the controller 1, the fuel tank 2 and the engine 4;
the fuel pressure detecting element is provided between the electronic fuel feed pump 3 and the engine 4;
the controller 1 is respectively connected with the atmospheric pressure detecting element and the fuel pressure detecting element; the controller 1 receives a first signal sent by the atmospheric pressure detecting element and receives a second signal sent by the fuel pressure detecting element;
wherein, in the case that the first signal is smaller than a first threshold value, the controller 1 sends an operation signal to the electronic fuel feed pump 3; the operating signal is used for instructing the electronic fuel feed pump 3 to feed fuel to the engine 4 through the fuel tank 2;
in the case where the second signal is smaller than a second threshold value, the controller 1 sends an acceleration signal to the electronic fuel feed pump 3; the acceleration signal is used to instruct the electronic fuel feed pump 3 to accelerate the delivery of fuel to the engine 4.
In the embodiment of the utility model, the first threshold value is used for determining the altitude where the current excavator is located, for example, the atmospheric pressure detecting element sends the collected atmospheric pressure signal to the operational amplifier in the signal collecting and conditioning circuit of the atmospheric pressure detecting element to amplify and reshape the collected atmospheric pressure signal to form a first signal, then the first signal is sent to the input/output port of the controller 1 to perform digital-analog conversion and digital filtering, meanwhile, the controller 1 directly reads the temperature data of the digital atmospheric pressure detecting element through the preset interface, performs table lookup compensation on the atmospheric pressure signal under the temperature value, calculates the corresponding altitude value through the compensation value, compares the compensated altitude value with the first threshold value, and determines whether the current altitude is greater than the preset altitude, or determines whether the current oil supply pressure is less than the preset pressure value.
Under the condition that the first signal is smaller than a first threshold value, determining that the current altitude of the excavator is larger than a preset altitude, or determining whether the current oil supply pressure of the excavator is smaller than a preset pressure value, at the moment, the controller 1 is required to send a working signal to the electronic oil supply pump 3 to control the electronic oil supply pump 3 to work, and the electronic oil supply pump 3 conveys fuel to the engine 4 through the fuel tank 2, so that the problem that the fuel oil supply of a fuel oil pipeline system of the excavator in the prior art cannot be stable under the condition of high altitude or low pressure due to the altitude is solved.
In the case where the electronic fuel feed pump 3 is operating, the fuel pressure detecting element monitors the fuel pressure between the electronic fuel feed pump 3 and the engine 4, which is indicated by a second signal by which the current fuel feed rate can be determined by the controller 1 when it receives the second signal, where a second threshold is set, and in the case where the second signal is smaller than the second threshold, it is determined that the current fuel pressure is small, resulting in a slower fuel feed rate, and at this time the controller 1 sends an acceleration signal to the electronic fuel feed pump 3; the acceleration signal is used to instruct the electronic fuel feed pump 3 to accelerate the delivery of fuel to the engine 4. Therefore, the problem of poor customer experience caused by low oil supply rate is solved, and the use experience of the excavator is improved.
Optionally, the fuel oil pipeline system further comprises:
a fuel one-way pressure control valve 5;
the fuel one-way pressure control valve 5 is provided between the electronic fuel feed pump 3 and the fuel pressure detecting element, and is connected to the fuel tank 2;
wherein, in case the second signal is larger than a third threshold value, the controller 1 sends an activation signal to the fuel one-way pressure control valve 5.
In this embodiment, the third threshold is used to indicate a critical value of the current fuel pressure that needs to be reduced, and if the second signal is greater than the third threshold, it indicates that the current fuel pressure is too high, and the fuel pressure between the electronic fuel pump 3 and the fuel pressure detecting element needs to be released, at this time, the controller 1 sends an activation signal to the fuel unidirectional pressure control valve 5, so as to open the fuel unidirectional pressure control valve 5. The direction of the relief pressure of the fuel one-way pressure control valve 5 is the one-way direction of the fuel one-way pressure control valve 5 to the fuel tank 2.
Here, by opening the fuel one-way pressure control valve 5, the fuel supply line pressure can be reduced, the fuel supply speed of the electronic fuel supply pump 3 can be reduced, and the fuel can flow back to the fuel tank 2 through the fuel one-way pressure control valve 5, preventing the engine 4 from being damaged by the excessive pressure.
Optionally, the atmospheric pressure detecting element includes:
an air pressure sensor 6, wherein the air pressure sensor 6 is used for collecting air pressure information and sending the first signal to the controller 1;
the first signal is used to indicate a pressure value of the current atmospheric pressure.
Optionally, the fuel pressure detecting element includes:
a fuel pressure sensor 7, wherein the fuel pressure sensor 7 is used for collecting pressure value information in a fuel pipeline between the electronic fuel feed pump 3 and the engine 4 and sending the second signal to the controller 1;
the second signal is used to indicate the current pressure value information in the fuel line between the electronic fuel feed pump 3 and the engine 4.
In one specific implementation, when the air pressure sensor 6 detects an air pressure less than 0.62 times the standard atmospheric pressure (first threshold), it is determined that the altitude is 3500 meters or more at this time. At this time, the controller 7 receives the first signal from the air pressure sensor 6 and controls the electronic fuel feed pump 3 to operate. When the fuel pressure reaches above a predetermined value of 0.5bar, the engine 4 will operate normally. The fuel pressure sensor 7 feeds back the pressure value in the fuel pipeline to the controller 1 at this time, and if the pressure value is smaller than 0.5bar (second threshold value), the controller 1 controls the electronic fuel feed pump 3 to accelerate fuel feed; if the pressure of the fuel exceeds 1bar (the third threshold value), the fuel pressure sensor 7 feeds back to the controller 1 to reduce the fuel supply speed of the electronic fuel supply pump 3, and simultaneously the fuel one-way pressure control valve 5 is opened, the fuel flows back to the fuel tank through the fuel one-way pressure control valve 5 to reduce the pressure of the fuel supply pipeline and prevent the engine 4 from being damaged due to excessive pressure. The fuel one-way pressure control valve 5 opens when 1bar is reached and fuel will flow from the line to the tank 2.
Optionally, the fuel oil piping system further comprises:
a dashboard (not shown) connected to the controller 1;
the controller 1 displays first prompt information of atmospheric pressure and/or current altitude on the instrument panel according to the first signal;
the controller 1 displays a second prompt message of the fuel pressure and/or the fuel supply rate of the fuel line between the electronic fuel supply pump 3 and the engine 4 on the instrument panel according to the second signal.
Here, the gauge panel may be provided with an air pressure pointer and an azimuth pointer, and the scale corresponding to the air pressure pointer and having an atmospheric pressure and an altitude (the outer ring is an atmospheric pressure scale, the inner ring is an altitude scale), and the scale corresponding to the azimuth pointer and having an azimuth scale. And displaying the first prompt information through the air pressure pointer and the azimuth pointer.
Of course, the instrument panel can be provided with a digital display module, and the current fuel pressure and/or the current fuel supply rate can be displayed through the digital display module, so that a driver can know the current use condition of the fuel pipeline, and the operation experience is improved.
In conclusion, the fuel oil pipeline system solves the problem of poor customer experience caused by low oil supply rate, and improves the use experience of the excavator; the problem that the fuel oil pipeline system of the excavator in the prior art cannot supply oil stably under the condition of high altitude or low pressure is solved.
The embodiment of the utility model also provides an excavator, which comprises the fuel oil pipeline system.
The embodiment of the utility model adopts the fuel oil pipeline system, and solves the problem that the fuel oil pipeline system of the excavator in the prior art cannot supply oil stably under the condition of high altitude or low pressure; the problem of poor customer experience caused by low oil supply rate is solved, and the use experience of the excavator is improved.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and changes can be made without departing from the principles of the present utility model, and such modifications and changes are intended to be within the scope of the present utility model.
Claims (6)
1. A fuel piping system, comprising: the device comprises a controller (1), a fuel tank (2), an electronic fuel feed pump (3), an engine (4), an atmospheric pressure detection element and a fuel pressure detection element;
the electronic fuel feed pump (3) is respectively connected with the controller (1), the fuel tank (2) and the engine (4);
the fuel pressure detecting element is provided between the electronic fuel feed pump (3) and the engine (4);
the controller (1) is respectively connected with the atmospheric pressure detection element and the fuel pressure detection element; the controller (1) receives a first signal sent by the atmospheric pressure detection element and receives a second signal sent by the fuel pressure detection element;
wherein, in case the first signal is smaller than a first threshold value, the controller (1) sends an operation signal to the electronic fuel feed pump (3); the working signal is used for indicating the electronic fuel feed pump (3) to deliver fuel to the engine (4) through the fuel tank (2);
-the controller (1) sends an acceleration signal to the electronic fuel feed pump (3) if the second signal is smaller than a second threshold value; the acceleration signal is used for instructing the electronic fuel feed pump (3) to accelerate fuel delivery to the engine (4).
2. The fuel piping system of claim 1, further comprising:
a fuel one-way pressure control valve (5);
the fuel unidirectional pressure control valve (5) is arranged between the electronic fuel supply pump (3) and the fuel pressure detection element and is connected with the fuel tank (2);
wherein, when the second signal is larger than a third threshold value, the controller (1) sends a starting signal to the fuel one-way pressure control valve (5).
3. The fuel piping system according to claim 1, wherein the atmospheric pressure detecting element comprises:
an air pressure sensor (6), wherein the air pressure sensor (6) is used for collecting air pressure information and sending the first signal to the controller (1);
the first signal is used to indicate a pressure value of the current atmospheric pressure.
4. The fuel piping system according to claim 1, wherein the fuel pressure detecting element includes:
a fuel pressure sensor (7), wherein the fuel pressure sensor (7) is used for collecting pressure value information in a fuel pipeline between the electronic fuel supply pump (3) and the engine (4) and sending the second signal to the controller (1);
the second signal is used for indicating current pressure value information in a fuel pipeline between the electronic fuel feed pump (3) and the engine (4).
5. The fuel piping system of claim 1, further comprising:
an instrument panel connected with the controller (1);
the controller (1) displays first prompt information of atmospheric pressure and/or current altitude on the instrument panel according to the first signal;
the controller (1) displays a second prompt message of fuel pressure and/or fuel supply rate of a fuel pipeline between the electronic fuel supply pump (3) and the engine (4) on the instrument panel according to the second signal.
6. An excavator comprising the fuel piping system of any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320174025.8U CN219118270U (en) | 2023-02-06 | 2023-02-06 | Fuel pipeline system and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320174025.8U CN219118270U (en) | 2023-02-06 | 2023-02-06 | Fuel pipeline system and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219118270U true CN219118270U (en) | 2023-06-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320174025.8U Active CN219118270U (en) | 2023-02-06 | 2023-02-06 | Fuel pipeline system and excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219118270U (en) |
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2023
- 2023-02-06 CN CN202320174025.8U patent/CN219118270U/en active Active
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