CN212296659U - Natural gas engine EGR flowmeter mounting seat with electric auxiliary heating - Google Patents
Natural gas engine EGR flowmeter mounting seat with electric auxiliary heating Download PDFInfo
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- CN212296659U CN212296659U CN202021295710.9U CN202021295710U CN212296659U CN 212296659 U CN212296659 U CN 212296659U CN 202021295710 U CN202021295710 U CN 202021295710U CN 212296659 U CN212296659 U CN 212296659U
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Abstract
The utility model discloses a natural gas engine EGR flowmeter mount pad of electrified boosting, include: EGR differential pressure sensor mount pad body, EGR waste gas entry, EGR waste gas export, EGR differential pressure sensor, first bellying, second bellying, electric heating wire, engine controller, ambient humidity detector, ambient temperature detector, operation pilot lamp and control switch. The EGR waste gas inlet is arranged on the left side of the EGR differential pressure sensor mounting seat body. The EGR waste gas outlet is arranged on the right side of the EGR differential pressure sensor mounting seat body. The EGR differential pressure sensor is arranged in the middle of the upper side of the EGR differential pressure sensor mounting seat body. The first boss is disposed in the middle of the upper side of the interior of the EGR differential pressure sensor mount body. The second boss is provided at the middle of the lower side of the interior of the EGR differential pressure sensor mount body. Therefore, the utility model discloses a natural gas engine EGR flowmeter mount pad of electrified auxiliary heating can effectively avoid the problem of freezing.
Description
Technical Field
The utility model relates to an engine electrical heating mount pad technical field especially is about a natural gas engine EGR flowmeter mount pad of supplementary heating of electrification.
Background
Because the mode that adopts EGR waste gas recirculation to control more in the present gas fuel engine equivalent combustion technology route, and contain gaseous state moisture in EGR waste gas, vapor can condense under low temperature environment and freeze, blocks up orifice plate or venturi flowmeter seat, causes flowmeter seat measuring hole to block up, and unable accurate measurement leads to ECU control unusual. In the current technical route of equivalent combustion of a spark ignition type Gas fuel engine, an EGR (exhaust Gas recirculation) flowmeter mounting seat used by an exhaust Gas recirculation system comprises a hole plate type differential pressure flowmeter and a venturi tube flowmeter mounting seat which have no heating function. Mainly aims to solve the problem that water in an engine exhaust gas recirculation pipeline is condensed in a flow meter under a low-temperature environment, so that the flow meter is blocked to cause the abnormal starting or running of an engine.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a natural gas engine EGR flowmeter mount pad of electrified boosting, it can effectively avoid the problem of freezing.
In order to achieve the above object, the utility model provides a natural gas engine EGR flowmeter mount pad of electrified boosting, include: EGR differential pressure sensor mount pad body, EGR waste gas entry, EGR waste gas export, EGR differential pressure sensor, first bellying, second bellying, electric heating wire, engine controller, ambient humidity detector, ambient temperature detector, operation pilot lamp and control switch. The EGR waste gas inlet is arranged on the left side of the EGR differential pressure sensor mounting seat body. The EGR waste gas outlet is arranged on the right side of the EGR differential pressure sensor mounting seat body. The EGR differential pressure sensor is arranged in the middle of the upper side of the EGR differential pressure sensor mounting seat body. The first boss is disposed in the middle of the upper side of the interior of the EGR differential pressure sensor mount body. The second boss is provided at the middle of the lower side of the interior of the EGR differential pressure sensor mount body. The electric heating wire is arranged on the outer wall of the EGR differential pressure sensor mounting seat body. The electric heating wire is connected to the upper right side of the EGR differential pressure sensor mounting seat body through an electric heating wire. The engine controller is connected to one end of the electric heating wire far away from the electric heating wire, and a touch control screen is arranged in the middle of the front face of the engine controller. The ambient humidity detector is arranged on the front face of the engine controller and is positioned on the left side of the touch control screen. The ambient temperature detector is arranged on the front face of the engine controller and is positioned on the right side of the touch control screen. The running indicator lamp is arranged on the front face of the engine controller and is positioned on the upper side of the touch control screen. The control switch is arranged on the upper left side of the front face of the engine controller.
The utility model discloses an among the embodiment, electric heating wire is cyclic annular even winding on the shell of EGR differential pressure sensor mount pad body.
The utility model discloses an in the embodiment, connect integrated circuit board through the power cord between environment moisture detector, ambient temperature detector, touch control screen, operation pilot lamp and the control switch and connect.
The utility model discloses an among the embodiment, EGR differential pressure sensor runs through the shell and the inside intercommunication setting of EGR differential pressure sensor mount pad body.
The utility model discloses an among the embodiment, EGR differential pressure sensor mount pad body corresponds with EGR differential pressure sensor and is provided with the mounting groove seat, and EGR differential pressure sensor can change the dismantlement installation through mounting groove seat and EGR differential pressure sensor mount pad body.
Compared with the prior art, according to the utility model discloses a natural gas engine EGR flowmeter mount pad of electrified auxiliary heating is cyclic annular even winding at the shell of EGR pressure differential sensor mount pad through the electric heating wire that sets up, and opening of electric heating wire through the control switch control heating function in the engine controller is closed, the effectual frozen problem of having solved. Through the environment moisture detector who sets up, the environment temperature detector is connected with engine controller, and engine controller can judge whether to open the electrical heating function through monitoring ambient temperature, operates under extreme low temperature environmental condition as the engine, starts the electrical heating function during idle speed and the low-load operating mode, can avoid the steam condensation among the EGR system to freeze and block up the flowmeter seat and lead to the unable normal engine that gets into of EGR and the emergence of engine wrong report trouble scheduling problem.
Drawings
Fig. 1 is a schematic structural diagram of a mounting seat of an EGR flowmeter of a natural gas engine with auxiliary heating in a live view according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the overall structure of an EGR flow meter mounting seat of a natural gas engine with auxiliary heating according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an engine controller of an EGR flow meter mounting seat of a natural gas engine with electric auxiliary heating according to an embodiment of the present invention.
Description of the main reference numerals:
the system comprises a 1-EGR differential pressure sensor mounting seat body, a 2-EGR waste gas inlet, a 3-EGR waste gas outlet, a 4-EGR differential pressure sensor, a 5-first bulge, a 6-second bulge, a 7-electric heating wire, an 8-electric heating wire, a 9-engine controller, a 10-touch control screen, an 11-environment humidity detector, a 12-environment temperature detector, a 13-operation indicator light and a 14-control switch.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1 to 3, fig. 1 is a schematic structural diagram of a mounting seat of an EGR flowmeter of a natural gas engine with auxiliary heating in a front view according to an embodiment of the present invention. Fig. 2 is an overall structure diagram of a mounting seat of an EGR flowmeter of a natural gas engine with auxiliary heating according to an embodiment of the present invention. Fig. 3 is a schematic structural diagram of an engine controller of an EGR flow meter mounting seat of a natural gas engine with electric auxiliary heating according to an embodiment of the present invention.
According to the utility model discloses preferred embodiment's natural gas engine EGR flowmeter mount pad of electrified auxiliary heating, including EGR differential pressure sensor mount pad body 1, EGR waste gas entry 2 has been seted up in EGR differential pressure sensor mount pad body 1's left side. An EGR waste gas outlet 3 is formed in the right side of the EGR differential pressure sensor mounting seat body 1. An EGR differential pressure sensor 4 is installed in the middle of the upper side of the EGR differential pressure sensor installation seat body 1. A first boss portion 5 is provided at the middle of the upper side of the interior of the EGR differential pressure sensor mount 1. A second boss portion 6 is provided at the middle of the lower side of the interior of the EGR differential pressure sensor mount 1. An electric heating wire 7 is arranged on the outer wall of the EGR differential pressure sensor mounting seat body 1. The right upper side of the EGR differential pressure sensor mounting seat body 1 is connected with an electric heating wire 8 through an electric heating wire 7. One end of the electric heating wire 8 far away from the electric heating wire 7 is connected with an engine controller 9. A touch control screen 10 is arranged in the middle of the front surface of the starting controller 9. An ambient humidity detector 11 is provided on the front of the engine controller 9 and on the left side of the touch control screen 10. An ambient temperature detector 12 is provided on the front of the engine controller 9 and on the right side of the touch control screen 10.
An operation indicator lamp 13 is provided on the front surface of the engine controller 9 and on the upper side of the touch control panel 10. A control switch 14 is provided on the upper left side of the front face of the engine controller 9. The inside of the EGR differential pressure sensor mount 1 and on both sides of the first boss portion 5 and the second boss portion 6 are ice-prone positions. The electric heating wire 7 is uniformly wound on the shell of the EGR differential pressure sensor mounting seat body 1 in an annular shape, and the electric heating wire 7 controls the heating function to be opened or closed through a control switch 14 in the engine controller 9, so that the problem of icing is effectively solved. The environment humidity detector 11 and the environment temperature detector 12 are connected with the engine controller 9, and the engine controller 9 can judge whether to start the electric heating function or not by monitoring the environment temperature, so that the electric heating device is simple and convenient.
In practical application, the utility model discloses a natural gas engine EGR flowmeter mount pad with electricity auxiliary heating's work flow as follows: when the temperature and humidity sensor is used, the temperature and humidity critical values of the environment humidity detector 11 and the environment temperature detector 12 are set through the touch control screen 10 in the engine controller 9. The ambient temperature and humidity are monitored by the ambient humidity detector 11 and the ambient temperature detector 12. The electric heating wire 7 is autonomously controlled by the engine controller 9 to heat the EGR differential pressure sensor mounting seat body 1. The electric heating wire 7 is uniformly wound on the shell of the EGR differential pressure sensor mounting seat body 1 in an annular shape, and the electric heating wire 7 controls the heating function to be opened or closed through a control switch 14 in the engine controller 9, so that the problem of icing is effectively solved. The engine controller 9 is connected with the engine controller 9 through the set ambient humidity detector 11 and the ambient temperature detector 12, and the engine controller 9 can judge whether to start the electric heating function or not by monitoring the ambient temperature. When the engine runs under the condition of extreme low-temperature environment and the idling and low-load working conditions, the electric heating function is started, so that the problems that the EGR cannot normally enter the engine due to the fact that a flowmeter base is blocked by condensation and icing of water vapor in an EGR system, the engine has false alarm faults and the like can be avoided.
In a word, the utility model discloses a natural gas engine EGR flowmeter mount pad of electrified auxiliary heating is cyclic annular even winding at the shell of EGR pressure differential sensor mount pad through the electric heating wire that sets up, and opening of electric heating wire through the control switch control heating function in the engine controller is closed, the effectual frozen problem of having solved. Through the environment moisture detector who sets up, the environment temperature detector is connected with engine controller, and engine controller can judge whether to open the electrical heating function through monitoring ambient temperature, operates under extreme low temperature environmental condition as the engine, starts the electrical heating function during idle speed and the low-load operating mode, can avoid the steam condensation among the EGR system to freeze and block up the flowmeter seat and lead to the unable normal engine that gets into of EGR and the emergence of engine wrong report trouble scheduling problem.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (5)
1. The utility model provides a natural gas engine EGR flowmeter mount pad of electrified boosting which characterized in that includes:
an EGR differential pressure sensor mounting seat body;
the EGR waste gas inlet is formed in the left side of the EGR differential pressure sensor mounting seat body;
the EGR waste gas outlet is formed in the right side of the EGR differential pressure sensor mounting seat body;
the EGR differential pressure sensor is arranged in the middle of the upper side of the EGR differential pressure sensor mounting seat body;
the first bulge part is arranged in the middle of the upper side in the EGR differential pressure sensor mounting seat body;
the second bulge part is arranged in the middle of the lower side in the EGR differential pressure sensor mounting seat body;
the electric heating wire is arranged on the outer wall of the EGR differential pressure sensor mounting seat body;
the electric heating wire is connected to the right upper side of the EGR differential pressure sensor mounting seat body through the electric heating wire;
the engine controller is connected to one end, far away from the electric heating wire, of the electric heating wire, and a touch control screen is arranged in the middle of the front face of the engine controller;
the environment humidity detector is arranged on the front surface of the engine controller and is positioned on the left side of the touch control screen;
the ambient temperature detector is arranged on the front surface of the engine controller and is positioned on the right side of the touch control screen;
the operation indicator lamp is arranged on the front face of the engine controller and is positioned on the upper side of the touch control screen; and
and the control switch is arranged on the upper left side of the front surface of the engine controller.
2. The natural gas engine EGR flowmeter mounting seat with auxiliary electric heating of claim 1, wherein the electric heating wire is uniformly wound on the outer shell of the EGR differential pressure sensor mounting seat body in a ring shape.
3. The natural gas engine EGR flowmeter mounting base with electric auxiliary heating of claim 1, wherein said ambient humidity detector, said ambient temperature detector, said touch control panel, said operation indicator light and said control switch are connected by a power line connection integrated circuit board.
4. The electrically assisted heated natural gas engine EGR flowmeter mount of claim 1, wherein said EGR differential pressure sensor is disposed in communication with an interior through a housing of said EGR differential pressure sensor mount body.
5. The natural gas engine EGR flowmeter mounting seat with auxiliary heating function according to claim 1, wherein the EGR differential pressure sensor mounting seat body is provided with a mounting groove seat corresponding to the EGR differential pressure sensor, and the EGR differential pressure sensor can be replaced, detached and mounted through the mounting groove seat and the EGR differential pressure sensor mounting seat body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021295710.9U CN212296659U (en) | 2020-07-06 | 2020-07-06 | Natural gas engine EGR flowmeter mounting seat with electric auxiliary heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021295710.9U CN212296659U (en) | 2020-07-06 | 2020-07-06 | Natural gas engine EGR flowmeter mounting seat with electric auxiliary heating |
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| CN212296659U true CN212296659U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021295710.9U Active CN212296659U (en) | 2020-07-06 | 2020-07-06 | Natural gas engine EGR flowmeter mounting seat with electric auxiliary heating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692022A (en) * | 2020-07-06 | 2020-09-22 | 广西玉柴机器股份有限公司 | Natural gas engine EGR flowmeter mounting seat with electric auxiliary heating |
| CN113006997A (en) * | 2021-03-23 | 2021-06-22 | 北京汽车集团越野车有限公司 | Starter, vehicle and start control method |
-
2020
- 2020-07-06 CN CN202021295710.9U patent/CN212296659U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692022A (en) * | 2020-07-06 | 2020-09-22 | 广西玉柴机器股份有限公司 | Natural gas engine EGR flowmeter mounting seat with electric auxiliary heating |
| CN111692022B (en) * | 2020-07-06 | 2024-03-12 | 广西玉柴机器股份有限公司 | EGR flowmeter mounting seat of natural gas engine with electric auxiliary heating |
| CN113006997A (en) * | 2021-03-23 | 2021-06-22 | 北京汽车集团越野车有限公司 | Starter, vehicle and start control method |
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