CN213574295U

CN213574295U - Integrated catalyst assembly structure

Info

Publication number: CN213574295U
Application number: CN202021998752.9U
Authority: CN
Inventors: 余明江; 吴涛; 何春能; 陈晓燕; 訾文化
Original assignee: Kunming Yunnei Power Co Ltd
Current assignee: Kunming Yunnei Power Co Ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-06-29
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses an integrated catalyst converter assembly structure relates to catalyst converter technical field, including the catalyst converter body, one side fixedly connected with row temperature sensor of catalyst converter body, the equal fixedly connected with NOx sensor in both ends of catalyst converter body, one side fixedly connected with pressure differential transducer of one end of catalyst converter body, other end one side fixedly connected with PM sensor of catalyst converter body, middle part one side fixedly connected with nozzle of catalyst converter body, bottom one side fixedly connected with catalyst converter pencil of catalyst converter body. The utility model discloses an it is outside at the catalyst converter body to integrate multiple sensor, has both improved whole car production beat, makes compact structure can adapt to more motorcycle types, and more practicality moreover sets up the double-screw bolt structure in one side of catalyst converter body, has realized the automation, and production efficiency is high and the appearance is pleasing to the eye, and this scheme has still saved whole car chassis and has arranged the space and has avoided whole car factory misloading, neglected loading and nonstandard operation.

Description

Integrated catalyst assembly structure

Technical Field

The utility model relates to a catalyst converter technical field, more specifically relate to an integrated catalyst converter assembly structure.

Background

The catalyst is a most important external purifying device arranged in an automobile exhaust system, harmful gases such as CO, HC and NOx discharged by automobile exhaust can be converted into harmless carbon dioxide, water and nitrogen through oxidation and reduction, when the high-temperature automobile exhaust passes through the purifying device, a purifying agent in the catalyst can enhance the activity of the three gases, namely CO, HC and NOx, and promote the three gases to perform certain oxidation-reduction chemical reaction, wherein the CO is oxidized into colorless and nontoxic carbon dioxide at high temperature; HC compounds are oxidized at high temperature to water (H20) and carbon dioxide; NOx is reduced into nitrogen and oxygen, and three harmful gases are changed into harmless gases, so that the automobile exhaust can be purified.

In the application of the Chinese utility model patent: the utility model discloses a novel automobile catalyst converter is disclosed in CN 201921928453.5, this novel automobile catalyst converter including the air inlet flange, intake pipe, catalyst converter, connecting pipe, bellows, outlet duct, the flange of giving vent to anger that connect gradually, the catalyst converter both ends have the inlet end awl and give vent to anger the end awl, wherein the inlet end awl with the intake pipe links to each other, just the intake pipe is the straight tube, and with the coaxial arrangement of catalyst converter, the end awl of giving vent to anger is connected the connecting pipe, be provided with broken whirlpool structure on the inlet end awl, the interface that has connection oxygen sensor on the end awl of giving vent to anger, the connecting pipe is the return bend, is connected with the installing support on the indent side circumference of this return bend. This novel automobile catalyst converter need be solitary to installing catalytic components and parts additional on the device when installing the car and use, and the integrated level is lower, and the production efficiency degree reduces enterprise economic benefits, is unfavorable for promoting.

Therefore, there is a need for an integrated catalyst assembly structure that solves the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a: when using on installing the car in order to solve neotype automobile catalyst converter, need solitary to installing catalytic components and parts additional on the device, the integrated level is lower, and production efficiency is low, reduces enterprise economic benefits's problem, the utility model provides an integrated catalyst converter assembly structure.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides an integrated catalyst converter assembly structure, including the catalyst converter body, one side fixedly connected with exhaust temperature sensor of catalyst converter body, the equal fixedly connected with NOx sensor in both ends of catalyst converter body, one end one side fixedly connected with pressure differential sensor of catalyst converter body, other end one side fixedly connected with PM sensor of catalyst converter body, middle part one side fixedly connected with nozzle of catalyst converter body, bottom one side fixedly connected with catalyst converter pencil of catalyst converter body.

Further, the catalyst wire harness is composed of a signal wire, a wire harness protection layer and tinfoil paper.

Furthermore, the outside of the catalyst body is fixedly connected with a stud, and one end of the stud is fixedly connected with a wire clamp.

Furthermore, one side of one end of the catalyst body is fixedly connected with a differential pressure sensor support.

Further, one side of one end of the catalyst body is fixedly connected with a pressure difference tube clamping plate, one side of one end of the catalyst body is fixedly connected with a general connector support, and the thickness of the pressure difference sensor support, the general connector support and the pressure difference tube clamping plate is 2 mm.

Furthermore, the bottom both ends of catalyst converter body all fixedly connected with NOx sensor base, wherein the NOx sensor base fixedly connected with insulating layer of one end, the NOx sensor base fixedly connected with NOx sensor protection casing of the other end.

Further, the center department bottom fixedly connected with PM sensor base of catalyst converter body, one side fixedly connected with PM sensor protection casing of PM sensor base, the thickness 1.5mm of NOx sensor protection casing and PM sensor protection casing.

(III) advantageous effects

The utility model has the advantages as follows:

1. the utility model discloses an it is outside at the catalyst converter body to integrate multiple sensor, has both improved whole car production beat, makes compact structure can adapt to more motorcycle types moreover, more practicality.

2. The utility model discloses a set up the double-screw bolt structure in one side of catalyst converter body, realized the automation, production efficiency is high, the outward appearance is beautiful, and this scheme has still saved whole car chassis and has arranged the space and avoided whole car factory misloading, neglected loading and nonstandard operation.

3. The utility model discloses a set up the insulating layer in one side of NOx sensor base for the protection sensor controller avoids receiving catalyst converter heat radiation to influence its performance, the life of extension fixture, reduce cost.

Drawings

FIG. 1 is a schematic perspective view of a catalytic converter harness structure according to the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

fig. 3 is a schematic perspective view of the PM sensor protective cover structure of the present invention;

fig. 4 is a schematic perspective view of the NOx sensor base structure of the present invention;

FIG. 5 is a schematic front view of the structure of the exhaust temperature sensor of the present invention;

labeled in fig. 1-5: 1. a NOx sensor; 2. a wiring harness general connector; 3. wire clamps; 4. a differential pressure pipe clamp plate; 5. a differential pressure sensor; 6. a nozzle; 7. a catalyst body; 8. a stud; 9. a PM sensor; 10. a NOx sensor mount; 11. a PM sensor mount; 12. a catalyst wire harness; 13. a differential pressure sensor support; 14. a main connector holder; 15. a thermal insulation layer; 16. a temperature exhaust sensor; 17. a PM sensor shield; 18. a NOx sensor shield; 19. a signal line; 20. a wire harness protective layer; 21. tin foil paper.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, 2 and 5, an integrated catalyst assembly structure comprises a catalyst body 7, a temperature exhaust sensor 16 is fixedly connected to one side of the catalyst body 7, NOx sensors 1 are fixedly connected to both ends of the catalyst body 7, a differential pressure sensor 5 is fixedly connected to one side of one end of the catalyst body 7, a PM sensor 9 is fixedly connected to one side of the other end of the catalyst body 7, a nozzle 6 is fixedly connected to one side of the middle of the catalyst body 7, and a catalyst wire harness 12 is fixedly connected to one side of the bottom of the catalyst body 7.

In this embodiment, through with catalyst converter body 7, 4 arrange temperature sensor 16, 2

NOx sensor

1, 1

differential pressure sensor

5, 1 PM sensor 9, 1 urea nozzle 6 and catalyst converter pencil 12 etc. multiple sensor integration outside catalyst converter body 7, both improved whole car production beat, make compact structure can adapt to more motorcycle types moreover, more practicality.

Example 2

Referring to fig. 1-4, the present embodiment is further optimized based on embodiment 1, and specifically, the catalyst wire harness 12 is composed of a signal wire 19, a protective layer 20 and a foil 21.

Specifically, a stud 8 is fixedly connected to the outside of the catalyst body 7, and one end of the stud 8 is fixedly connected with the wire clamp 3.

Specifically, one end side of the catalyst body 7 is fixedly connected with a differential pressure sensor holder 13.

Specifically, one side of one end of the catalyst body 7 is fixedly connected with a differential pressure pipe clamp plate 4, one side of one end of the catalyst body 7 is fixedly connected with a total connector support 14, and the thicknesses of the materials of the differential pressure sensor support 13, the total connector support 14 and the differential pressure pipe clamp plate 4 are all 2 mm.

In the embodiment, the stud 8 structure is arranged on one side of the catalyst body 7, the wire clamp 3 fixes the catalyst wire harness 12 and the stud 8 together through the stud 8, the catalyst wire harness 12 is fixed together with the general connector support 14 through the stud 8 arranged on the general connector 2 of the wire harness, the automation is realized, the production efficiency is high, the appearance is attractive, the scheme also saves the layout space of the whole vehicle chassis and avoids the misassembly, the neglected assembly and the non-standard operation of the whole vehicle factory.

Example 3

Referring to fig. 1-4, the present embodiment is optimized based on example 1 or example 2, specifically, both ends of the bottom of the catalyst body 7 are fixedly connected with the NOx sensor base 10, one side of the NOx sensor base 10 at one end is fixedly connected with the thermal insulation layer 15, and one side of the NOx sensor base 10 at the other end is fixedly connected with the NOx sensor protective cover 18.

Specifically, the bottom of the center of the catalyst body 7 is fixedly connected with a PM sensor base 11, one side of the PM sensor base 11 is fixedly connected with a PM sensor protective cover 17, and the thicknesses of the materials of the NOx sensor protective cover 18 and the PM sensor controller protective cover are both 1.5 mm.

In this embodiment, the thermal insulation layer 15 is disposed on one side of the NOx sensor base 10, and after the heat in the catalyst body 7 rises, the thermal insulation layer 15 can reduce the heat transferred to the NOx sensor 1, so as to protect the sensor controller from being affected by the thermal radiation of the catalyst, prolong the service life of the device, and reduce the cost.

In summary, the following steps: the utility model discloses can improve production efficiency to be applicable to more motorcycle types, can improve the production quality, can also increase of service life.

Above, only be the preferred embodiment of the present invention, not be used for limiting the present invention, the patent protection scope of the present invention is based on the claims, all the structural changes equivalent to the content of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. An integrated catalyst assembly structure including a catalyst body (7), characterized in that: one side fixedly connected with of catalyst body (7) arranges temperature sensor (16), the equal fixedly connected with NOx sensor (1) in both ends of catalyst body (7), one end one side fixedly connected with pressure differential sensor (5) of catalyst body (7), other end one side fixedly connected with PM sensor (9) of catalyst body (7), middle part one side fixedly connected with nozzle (6) of catalyst body (7), bottom one side fixedly connected with catalyst pencil (12) of catalyst body (7).

2. The integrated catalyst assembly structure according to claim 1, wherein: the catalyst harness (12) is composed of a signal wire (19), a harness protection layer (20) and tinfoil paper (21).

3. The integrated catalyst assembly structure according to claim 1, wherein: the outer portion of the catalyst body (7) is fixedly connected with a stud (8), and one end of the stud (8) is fixedly connected with a wire clamp (3).

4. The integrated catalyst assembly structure according to claim 1, wherein: one side of one end of the catalyst body (7) is fixedly connected with a differential pressure sensor support (13) and a general connector support (14).

5. The integrated catalyst assembly structure according to claim 4, wherein: one side of one end of the catalyst body (7) is fixedly connected with a differential pressure pipe clamping plate (4), and the thicknesses of the differential pressure sensor support (13), the general connector support (14) and the differential pressure pipe clamping plate (4) are all 2 mm.

6. The integrated catalyst assembly structure according to claim 1, wherein: the catalyst comprises a catalyst body (7), wherein NOx sensor bases (10) are fixedly connected to two ends of the bottom of the catalyst body (7), a heat insulation layer (15) is fixedly connected to one end of each NOx sensor base (10), and a NOx sensor protective cover (18) is fixedly connected to the other end of each NOx sensor base (10).

7. The integrated catalyst assembly structure according to claim 6, wherein: the catalyst body (7) is characterized in that the bottom of the center of the catalyst body is fixedly connected with a PM sensor base (11), one side of the PM sensor base (11) is fixedly connected with a PM sensor protective cover (17), and the thickness of the NOx sensor protective cover (18) and the thickness of the PM sensor protective cover (17) are both 1.5 mm.