CN214577313U - Differential pressure sensor and differential pressure pipeline arrangement structure of exhaust system - Google Patents
Differential pressure sensor and differential pressure pipeline arrangement structure of exhaust system Download PDFInfo
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- CN214577313U CN214577313U CN202120619016.6U CN202120619016U CN214577313U CN 214577313 U CN214577313 U CN 214577313U CN 202120619016 U CN202120619016 U CN 202120619016U CN 214577313 U CN214577313 U CN 214577313U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The utility model discloses an exhaust system's differential pressure sensor and differential pressure pipeline arrangement structure, including the GPF body, differential pressure sensor, the installing support, a weighing sensor and a temperature sensor, the temperature sensor pencil, pencil installed part and differential pressure pipeline, the differential pressure pipeline includes preceding differential pressure pipeline and back differential pressure pipeline, differential pressure sensor passes through the installing support to be fixed on the car in the passageway crossbeam, temperature sensor installs the front portion at the GPF body, the head end and the temperature sensor of temperature sensor pencil are connected, the tail end of temperature sensor pencil upwards extends and fixes on the automobile body through the pencil installed part, be provided with the pencil clamp on the installing support, the pencil overcoat is on the temperature sensor pencil. The utility model provides a pair of exhaust system's differential pressure sensor and differential pressure pipeline arrangement structure integrates highly, can simplify the mounting structure who is used for fixed differential pressure sensor and temperature sensor, can also prevent the inside ponding or freezing of back differential pressure pipeline and preceding differential pressure pipeline.
Description
Technical Field
The utility model relates to an exhaust system technical field, concretely relates to exhaust system's differential pressure sensor and differential pressure pipeline arrangement structure.
Background
With the development of the automobile industry, particularly since the 21 st century, the legislation on fuel consumption and emission of automobiles in most countries around the world is becoming more perfect and strict, and a GPF (general purpose diesel engine) device (i.e. a gasoline engine particulate trap) is added to an exhaust system to trap emission particles so as to achieve the purpose of reducing the emission particles of the whole automobile, so that the GPF device is favored by manufacturers of various automobile hosts around the world. The GPF device comprises a GPF body, a temperature sensor, a differential pressure pipeline and other key assemblies, wherein the differential pressure sensor and the differential pressure pipeline are used for detecting the front and back pressure difference of the tail gas of the engine through the GPF device in real time, so that whether the GPF device is blocked or not is monitored, the differential pressure sensor and the differential pressure pipeline arrangement structure of the existing exhaust system lead to the differential pressure pipeline, the wire harness of the differential pressure sensor and the wire harness of the temperature sensor are too long, the exposed parts are more, the cost is high, the appearance is not attractive, and the icing and blocking conditions can easily occur in the interior of the differential pressure pipeline in winter.
Disclosure of Invention
In view of this, the utility model aims at overcoming the defect among the prior art, provide an exhaust system's differential pressure sensor and differential pressure pipeline arrangement structure, integrate highly, can simplify the mounting structure who is used for fixed differential pressure sensor and temperature sensor, can also prevent the inside ponding or the freezing of back differential pressure pipeline and preceding differential pressure pipeline.
The utility model discloses a differential pressure sensor and differential pressure pipeline arrangement structure of exhaust system, including GPF body, differential pressure sensor, installing support, temperature sensor pencil, pencil installed part and differential pressure pipeline, the differential pressure pipeline includes preceding differential pressure pipeline and back differential pressure pipeline, differential pressure sensor passes through the installing support is fixed on the passageway crossbeam in the car, temperature sensor installs in the front portion of GPF body, the head end of temperature sensor pencil with temperature sensor connects, the tail end of temperature sensor pencil extends upwards and passes through the pencil installed part to be fixed on the automobile body, be provided with the pencil clamp on the installing support, the pencil clamp overcoat is on the temperature sensor pencil, preceding differential pressure pipeline can make the middle part of GPF body with differential pressure sensor communicates, the rear differential pressure line enables the rear of the GPF body to communicate with the differential pressure sensor.
Further, the mounting bracket is located at the upper left of the front portion of the GPF body, and the front differential pressure pipeline and the rear differential pressure pipeline are increased in height from back to front.
Furthermore, the corresponding positions of the differential pressure sensor and the mounting bracket are provided with a connecting hole for connecting with a channel beam in the automobile.
Further, the pencil installed part is located the left of installing support, the pencil clamp is provided with two to two pencil clamps set up respectively the left and right sides of connecting hole.
Furthermore, the differential pressure sensor is arranged on one side, away from the automobile middle channel beam, of the mounting support, and an anti-rotation positioning column is arranged on one side, close to the automobile middle channel beam, of the mounting support.
Further, the front differential pressure pipeline comprises a front differential pressure hard pipe and a front differential pressure hose, the head end of the front differential pressure hard pipe is connected with the middle part of the GPF body, the tail end of the front differential pressure hard pipe is connected with the tail end of the front differential pressure hose, and the head end of the front differential pressure hose is connected with the differential pressure sensor; the rear differential pressure pipeline comprises a rear differential pressure hard pipe and a rear differential pressure hose, the head end of the rear differential pressure hard pipe is connected with the rear part of the GPF body, the tail end of the rear differential pressure hard pipe is connected with the tail end of the rear differential pressure hose, and the head end of the rear differential pressure hose is connected with the differential pressure sensor.
Further, the front pressure difference hard pipe and the front pressure difference hose are connected through a first pipe hoop, the back pressure difference hard pipe and the back pressure difference hose are connected through a second pipe hoop, a double clamping ring is arranged behind the first pipe hoop and the second pipe hoop, and the double clamping ring is sleeved on the front pressure difference hard pipe and the back pressure difference hard pipe at the same time.
Furthermore, a hard tube fixing support is arranged on the middle of the GPF body and connected with the middle of the rear pressure difference hard tube.
The utility model has the advantages that: the utility model discloses a differential pressure sensor and differential pressure pipeline arrangement structure of exhaust system, it is high to integrate, can simplify the mounting structure who is used for fixed differential pressure sensor and temperature sensor to can shorten the total length of back differential pressure pipeline, the total length of preceding differential pressure pipeline and the total length of temperature sensor pencil, can also shorten back differential pressure pipeline, preceding differential pressure pipeline and the exposed length of temperature sensor pencil outside; the water accumulation or the icing in the back differential pressure pipeline and the front differential pressure pipeline is prevented.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
fig. 3 is a schematic view of a partial structure at the mounting bracket of the present invention;
fig. 4 is a schematic view of a local structure at the mounting bracket of the present invention.
Description of reference numerals: the device comprises a GPF body, a differential pressure sensor 2, a mounting support 3, a connecting hole 31, an anti-rotation positioning column 32, a wiring harness hoop 33, a temperature sensor 4, a temperature sensor wiring harness 5, a wiring harness mounting part 6, a front differential pressure hard pipe 71, a front differential pressure hose 72, a rear differential pressure hard pipe 81, a rear differential pressure hose 82, a first pipe hoop 91, a second pipe hoop 92, a double clamping ring 93 and a hard pipe fixing support 94.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-4, the differential pressure sensor and differential pressure pipeline arrangement structure of the exhaust system in this embodiment includes a GPF body 1, a differential pressure sensor 2, a mounting bracket 3, a temperature sensor 4, a temperature sensor harness 5, a harness mounting member 6, and a differential pressure pipeline, where the differential pressure pipeline includes a front differential pressure pipeline and a rear differential pressure pipeline, the differential pressure sensor 2 is fixed on a central passage beam of an automobile through the mounting bracket 3, the temperature sensor 4 is mounted on a front portion of the GPF body 1, a head end of the temperature sensor harness 5 is connected to the temperature sensor 4, a tail end of the temperature sensor harness 5 extends upward and is fixed on a vehicle body through the harness mounting member 6, a harness clip 33 is provided on the mounting bracket 3, the harness clip 33 is sleeved on the temperature sensor harness 5, and the front differential pressure pipeline can communicate the middle portion of the GPF body 1 with the differential pressure sensor 2, the rear differential pressure line enables the rear of the GPF body 1 to communicate with the differential pressure sensor 2. The differential pressure sensor 2 and the temperature sensor 4 are both direct uses of existing products. Differential pressure sensor 2 passes through installing support 3 to be fixed at car mesocarp crossbeam, and simultaneously walk line of temperature sensor pencil 5 through installing support 3 and fixed by installing support 3, integrate highly, can simplify the mounting structure who is used for fixed differential pressure sensor 2 and temperature sensor 4, and can shorten the total length of back differential pressure pipeline, the total length of preceding differential pressure pipeline and temperature sensor pencil 5, can also shorten back differential pressure pipeline, preceding differential pressure pipeline and the exposed length of temperature sensor pencil 5 outside.
In this embodiment, the mounting bracket 3 is located at the upper left of the front part of the GPF body 1, and the front differential pressure pipeline and the rear differential pressure pipeline are both increased in height from back to front. The position of installing support 3 makes the heat radiation of blast pipe can prevent that the inside of back pressure differential pipeline and preceding pressure differential pipeline from freezing, and preceding pressure differential pipeline and back pressure differential pipeline all from the inside ponding that can prevent back pressure differential pipeline and preceding pressure differential pipeline to preceding high increase, further prevent that the inside of back pressure differential pipeline and preceding pressure differential pipeline from freezing simultaneously.
In this embodiment, the differential pressure sensor 2 and the mounting bracket 3 are provided with a connecting hole 31 at a position corresponding to each other for connecting with a channel beam in an automobile. A threaded hole used for being matched with the connecting hole 31 is formed in the middle channel cross beam of the automobile, and the pressure difference sensor 2 and the mounting bracket 3 are simultaneously fixed on the middle channel cross beam of the automobile by penetrating through the connecting holes 31 in the pressure difference sensor 2 and the mounting bracket 3 through bolts and being connected with the threaded hole.
In this embodiment, pencil installed part 6 is located installing support 3's left, pencil clamp 33 is provided with two to two pencil clamps 33 set up respectively the left and right sides of connecting hole 31 makes temperature sensor pencil 5 walk the line through installing support 3, and connecting hole 31 is the fixed point of installing support 3, and two pencil clamps 33 overcoat respectively are on temperature sensor pencil 5, can make installing support 3's atress more balanced.
In this embodiment, differential pressure sensor 2 sets up installing support 3 keeps away from car center channel crossbeam one side, installing support 3 is close to car center channel crossbeam one side and is provided with and prevents changeing reference column 32. Be provided with on the passageway crossbeam in the car and be used for supplying to prevent changeing reference column 32 male locating hole for it is not hard up to prevent that installing support 3 from rotating to cause bolt and screw hole, thereby makes installing support 3 more stable.
In this embodiment, the front differential pressure pipeline includes a front differential pressure hard pipe 71 and a front differential pressure hose 72, a head end of the front differential pressure hard pipe 71 is connected to the middle of the GPF body 1, a tail end of the front differential pressure hard pipe 71 is connected to a tail end of the front differential pressure hose 72, and a head end of the front differential pressure hose 72 is connected to the differential pressure sensor 2; the back pressure difference pipeline comprises a back pressure difference hard pipe 81 and a back pressure difference hose 82, the head end of the back pressure difference hard pipe 81 is connected with the rear part of the GPF body 1, the tail end of the back pressure difference hard pipe 81 is connected with the tail end of the back pressure difference hose 82, and the head end of the back pressure difference hose 82 is connected with the pressure difference sensor 2. The front differential pressure hard tube 71 and the rear differential pressure hard tube 81 can be used for heat dissipation, and damage to the front differential pressure hose 72 and the rear differential pressure hose 82 can be prevented, and the front differential pressure hose 72 and the rear differential pressure hose 82 can prevent vibration from being transmitted to the differential pressure sensor 2 and the mounting bracket 3.
In this embodiment, the front pressure difference hard tube 71 and the front pressure difference hose 72 are connected through a first pipe clamp 91, the rear pressure difference hard tube 81 and the rear pressure difference hose 82 are connected through a second pipe clamp 92, a double snap ring 93 is arranged behind the first pipe clamp 91 and the second pipe clamp 92, and the double snap ring 93 is simultaneously sleeved on the front pressure difference hard tube 71 and the rear pressure difference hard tube 81. The double snap ring 93 can maintain a distance between the front differential pressure hard tube 71 and the rear differential pressure hard tube 81, thereby preventing the front differential pressure hard tube 71 from being separated from the front differential pressure hose 72 and the rear differential pressure hard tube 81 from being separated from the rear differential pressure hose 82 due to the positional deviation of the front differential pressure hard tube 71 and the rear differential pressure hard tube 81.
In this embodiment, a hard tube fixing bracket 94 is arranged on the middle of the GPF body 1, and the hard tube fixing bracket 94 is connected with the middle of the back pressure difference hard tube 81. The head end of the back pressure difference hard pipe 81 is far away from the pressure difference sensor 2, the length of the back pressure difference hard pipe 81 is long, and the suspension length is also long, so that the middle part of the back pressure difference hard pipe 81 is supported by the hard pipe fixing support 94.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (8)
1. A differential pressure sensor and differential pressure piping arrangement for an exhaust system, characterized by: comprises a GPF body (1), a differential pressure sensor (2), a mounting bracket (3), a temperature sensor (4), a temperature sensor wire harness (5), a wire harness mounting piece (6) and a differential pressure pipeline, wherein the differential pressure pipeline comprises a front differential pressure pipeline and a rear differential pressure pipeline, the differential pressure sensor (2) is fixed on a channel beam in an automobile through the mounting bracket (3), the temperature sensor (4) is mounted at the front part of the GPF body (1), the head end of the temperature sensor wire harness (5) is connected with the temperature sensor (4), the tail end of the temperature sensor wire harness (5) upwards extends and is fixed on an automobile body through the wire harness mounting piece (6), a wire harness clamp (33) is arranged on the mounting bracket (3), the wire harness clamp (33) is sleeved on the temperature sensor wire harness (5), the front differential pressure pipeline can enable the middle part of the GPF body (1) to be communicated with the differential pressure sensor (2), the rear differential pressure line enables the rear of the GPF body (1) to communicate with the differential pressure sensor (2).
2. The differential pressure sensor and differential pressure piping arrangement of an exhaust system according to claim 1, characterized in that: the mounting bracket (3) is positioned at the upper left part of the front part of the GPF body (1), and the front differential pressure pipeline and the rear differential pressure pipeline are increased in height from back to front.
3. The differential pressure sensor and differential pressure piping arrangement of an exhaust system according to claim 2, characterized in that: and the corresponding positions of the differential pressure sensor (2) and the mounting bracket (3) are provided with a connecting hole (31) for connecting with a channel beam in an automobile.
4. The differential pressure sensor and differential pressure piping arrangement of an exhaust system according to claim 3, characterized in that: pencil installed part (6) are located the left of installing support (3), pencil clamp (33) are provided with two to two pencil clamps (33) set up respectively the left and right sides of connecting hole (31).
5. The differential pressure sensor and differential pressure piping arrangement of an exhaust system according to claim 3, characterized in that: differential pressure sensor (2) set up mounting bracket (3) keep away from car center channel crossbeam one side, mounting bracket (3) are close to car center channel crossbeam one side and are provided with and prevent changeing reference column (32).
6. The differential pressure sensor and differential pressure piping arrangement of an exhaust system according to claim 1, characterized in that: the front differential pressure pipeline comprises a front differential pressure hard pipe (71) and a front differential pressure hose (72), the head end of the front differential pressure hard pipe (71) is connected with the middle part of the GPF body (1), the tail end of the front differential pressure hard pipe (71) is connected with the tail end of the front differential pressure hose (72), and the head end of the front differential pressure hose (72) is connected with the differential pressure sensor (2); the back pressure difference pipeline comprises a back pressure difference hard pipe (81) and a back pressure difference hose (82), the head end of the back pressure difference hard pipe (81) is connected with the rear part of the GPF body (1), the tail end of the back pressure difference hard pipe (81) is connected with the tail end of the back pressure difference hose (82), and the head end of the back pressure difference hose (82) is connected with the pressure difference sensor (2).
7. The differential pressure sensor and differential pressure piping arrangement of an exhaust system according to claim 6, wherein: preceding pressure difference hard tube (71) with preceding pressure difference hose (72) are connected through first ferrule (91), back pressure difference hard tube (81) with back pressure difference hose (82) are connected through second ferrule (92), first ferrule (91) with the rear of second ferrule (92) is provided with a two snap rings (93), two snap rings (93) overcoat simultaneously preceding pressure difference hard tube (71) with on the back pressure difference hard tube (81).
8. The differential pressure sensor and differential pressure piping arrangement of an exhaust system according to claim 6, wherein: a hard tube fixing support (94) is arranged on the middle of the GPF body (1), and the hard tube fixing support (94) is connected with the middle of the rear pressure difference hard tube (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120619016.6U CN214577313U (en) | 2021-03-26 | 2021-03-26 | Differential pressure sensor and differential pressure pipeline arrangement structure of exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120619016.6U CN214577313U (en) | 2021-03-26 | 2021-03-26 | Differential pressure sensor and differential pressure pipeline arrangement structure of exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214577313U true CN214577313U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120619016.6U Active CN214577313U (en) | 2021-03-26 | 2021-03-26 | Differential pressure sensor and differential pressure pipeline arrangement structure of exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214577313U (en) |
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2021
- 2021-03-26 CN CN202120619016.6U patent/CN214577313U/en active Active
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