CN203551285U - Measuring system for exhaust back pressure of internal combustion engine - Google Patents
Measuring system for exhaust back pressure of internal combustion engine Download PDFInfo
- Publication number
- CN203551285U CN203551285U CN201320623028.1U CN201320623028U CN203551285U CN 203551285 U CN203551285 U CN 203551285U CN 201320623028 U CN201320623028 U CN 201320623028U CN 203551285 U CN203551285 U CN 203551285U
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- sensor
- pipe
- back pressure
- installation seat
- exhaust back
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Abstract
The utility model discloses a measuring system for the exhaust back pressure of an internal combustion engine. A turbine rear exhaust connecting pipe is connected with a sensor air-taking pipe, the sensor air-taking pipe is connected with a connecting rubber pipe, the connecting rubber pipe is connected with a connecting connector, the connecting connector is connected with a sensor installation seat, and the sensor installation seat is connected with a pressure sensor. An operation line of the exhaust back pressure is as follows: the exhaust back pressure starts from the turbine rear exhaust connecting pipe, then enters the sensor air-taking pipe, passes through the connecting rubber pipe, the connecting connector and the sensor installation seat, and finally reaches the pressure sensor. One end of the sensor air-taking pipe is connected with the turbine rear exhaust connecting pipe via a connector, the other end of the sensor air-taking pipe is connected with the connecting rubber pipe in a sleeve manner, the other end of the connecting rubber pipe is connected with the connecting connector in a sleeve manner, and the other end of the connecting connector is fixedly arranged on the sensor installation seat. The measuring system for the exhaust back pressure of the internal combustion engine is advantaged by low cost, high temperature resistance, high reliability, good security, simple structure, convenient installation and usage, and good sealing performance.
Description
Technical field
The utility model relates to a kind of system that I. C. engine exhaust back pressure is measured that is applicable to, and simple in structure, system cost is low, and reliability is high, and assembling is good, easily applies.
Background technology
Dynamic property, economy and the emission behavior of exhaust back pressure combustion motor have material impact.In order to meet the requirement of country for Abgasgesetz when improving the dynamic property of internal combustion engine, economy, need to be at the direct setting pressure Sensor monitoring of the gas outlet of internal combustion engine or booster turbine rear exhaust joint pipe place exhaust back pressure, in time pressure signal is fed back to ECU, and then regulate the burning of cylinder fuel to reach the common lifting of dynamic property, economy and emission behavior.Pressure transducer is arranged on gas outlet or turbine rear exhaust joint pipe, working environment is (low 400 ℃ in high-temperature region, 800 ℃ of Gao Keda), greatly shortened the serviceable life of sensor, and it is higher under this high temperature, to carry out the sensor cost of normal work.In addition in high-temperature region process, there is disaster hidden-trouble in the signal transducting wire bundle of pressure transducer.
Summary of the invention
The utility model provides a kind of novel exhaust back pressure measuring system, the working position of pressure transducer and signal transducting wire bundle is transferred to normal temperature district by high-temperature region, for the heatproof of sensor, require greatly to reduce, significantly reduced the cost of sensor, in the serviceable life that extends sensor, reduced internal combustion engine hidden danger on fire.This measuring system cost is low, reliability is high, be artistically decorated, assembling is good, easily applies.
Technical solution of the present utility model is such, a kind of I. C. engine exhaust back pressure measuring system, comprise that turbine rear exhaust joint pipe, sensor get tracheae, pressure transducer, sensor installation seat, jointing, connection rubber tube, it is characterized in that turbine rear exhaust joint pipe (1) and sensor get tracheae (2) and be connected, sensor is got tracheae (2) and is connected with connection rubber tube (6), connection rubber tube (6) is connected with jointing (5), jointing (5) is connected with sensor installation seat (4), and sensor installation seat (4) is connected with pressure transducer (3).
The running route of exhaust back pressure is to enter through turbine rear exhaust joint pipe (1) from turbine rear exhaust joint pipe (1), through connection rubber tube (6), through jointing (5), to sensor installation seat (4), extremely from pressure transducer (3), goes out.
Sensor is got tracheae (2) one end and is connected with turbine rear exhaust joint pipe (1) by joint, sensor is got tracheae (2) other end socket connection rubber tube (6), connection rubber tube (6) other end socket jointing (5), jointing (5) other end is packed in sensor installation seat (4).
The utility model beneficial effect is compared with prior art:
1, the working position of pressure transducer is transferred to normal temperature district by high-temperature region, greatly reduces the heatproof requirement to pressure transducer, significantly reduce cost, and effectively reduced the failure rate of pressure transducer.
2, effectively avoided the conduction wire harness of pressure transducer to pass through from high-temperature region, stopped Yin Gaowen and caused wire harness hidden danger on fire.
3, this system cost is low, reliability is high, easily applies.
Accompanying drawing explanation
Fig. 1 is that a kind of I. C. engine exhaust back pressure of the utility model measuring system one-piece construction is installed assembling front view.
Fig. 2 is the running route figure of a kind of I. C. engine exhaust back pressure of the utility model measuring system.
Reference numeral: turbine rear exhaust joint pipe (1), sensor are got tracheae (2), pressure transducer (3), sensor installation seat (4), jointing (5), connection rubber tube (6).
Embodiment
Embodiment 1, as shown in Figure 1, exhaust back pressure measuring system of the present invention is mainly got tracheae (2), connection rubber tube (6), jointing (5), sensor installation seat (4), pressure transducer (3) etc. by sensor and is formed.
As shown in Figure 2, jointing (5), pressure transducer (3) are arranged on sensor installation seat (4), sensor is got tracheae (2) one end and is connected with jointing (5) by connection rubber tube (6), and sensor is got tracheae (2) and is connected with turbine rear exhaust joint pipe (1) one end in addition.During internal combustion engine, the waste gas of discharging flow to sensor through the air hatch of turbine rear exhaust joint pipe (1) and gets tracheae (2), by sensor, get flow through connection rubber tube (6), jointing (5) of cryogenic gas after tracheae heat radiation and finally enter in the cavity of sensor installation seat (4), make pressure transducer (3) probe gas pressure.
Claims (3)
1. an I. C. engine exhaust back pressure measuring system, comprise that turbine rear exhaust joint pipe, sensor get tracheae, pressure transducer, sensor installation seat, jointing, connection rubber tube, it is characterized in that turbine rear exhaust joint pipe (1) and sensor get tracheae (2) and be connected, sensor is got tracheae (2) and is connected with connection rubber tube (6), connection rubber tube (6) is connected with jointing (5), jointing (5) is connected with sensor installation seat (4), and sensor installation seat (4) is connected with pressure transducer (3).
2. according to a kind of I. C. engine exhaust back pressure measuring system claimed in claim 1, the running route that it is characterized in that exhaust back pressure is to enter through sensor and get tracheae (2) from turbine rear exhaust joint pipe (1), through connection rubber tube (6), through jointing (5), to sensor installation seat (4), arrive pressure transducer (3).
3. according to a kind of I. C. engine exhaust back pressure measuring system claimed in claim 1, it is characterized in that sensor gets tracheae (2) one end and be connected with turbine rear exhaust joint pipe (1) by joint, sensor is got tracheae (2) other end socket connection rubber tube (6), connection rubber tube (6) other end socket jointing (5), jointing (5) other end is packed in sensor installation seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623028.1U CN203551285U (en) | 2013-10-10 | 2013-10-10 | Measuring system for exhaust back pressure of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623028.1U CN203551285U (en) | 2013-10-10 | 2013-10-10 | Measuring system for exhaust back pressure of internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203551285U true CN203551285U (en) | 2014-04-16 |
Family
ID=50469383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320623028.1U Expired - Fee Related CN203551285U (en) | 2013-10-10 | 2013-10-10 | Measuring system for exhaust back pressure of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203551285U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253884A (en) * | 2018-07-24 | 2019-01-22 | 中国第汽车股份有限公司 | Turbine exhaust back estimation method neural network based |
| US10669915B2 (en) | 2018-10-10 | 2020-06-02 | Caterpillar Inc. | System and method for determining accumulation of silicone dioxide (SiO2) in an aftertreatment system |
| US11555472B2 (en) | 2019-12-23 | 2023-01-17 | Caterpillar Inc. | Siloxane mitigation in machine system having blower for pressure drop compensation |
-
2013
- 2013-10-10 CN CN201320623028.1U patent/CN203551285U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253884A (en) * | 2018-07-24 | 2019-01-22 | 中国第汽车股份有限公司 | Turbine exhaust back estimation method neural network based |
| US10669915B2 (en) | 2018-10-10 | 2020-06-02 | Caterpillar Inc. | System and method for determining accumulation of silicone dioxide (SiO2) in an aftertreatment system |
| US11555472B2 (en) | 2019-12-23 | 2023-01-17 | Caterpillar Inc. | Siloxane mitigation in machine system having blower for pressure drop compensation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20211010 |