CN210003363U

CN210003363U - Water-cooling exhaust system

Info

Publication number: CN210003363U
Application number: CN201921028763.1U
Authority: CN
Inventors: 唐克远; 黄永仲; 李伟
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Marine and Genset Power Co Ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-01-31
Anticipated expiration: 2029-07-03

Abstract

The utility model discloses an water-cooling exhaust system, this water-cooling exhaust system, ECU controller, the water outlet house steward, water-cooling blast pipe, its end has blast pipe cooling water inlet, end has blast pipe cooling water outlet in addition, blast pipe cooling water outlet and water outlet house steward communicate, temperature sensor, its cloth is established at the blast pipe cooling water outlet end of water-cooling blast pipe, and is connected with the ECU controller, and automatically controlled flow control valve, it includes control valve body, distributing valve and electronic control executor, the control valve body has entry, house steward export and blast pipe export, the house steward export communicates with the house steward cooling water inlet of water outlet house steward, the blast pipe export communicates with the blast pipe cooling water inlet of water-cooling blast pipe, the distributing valve is arranged in the control valve body, and is connected with the drive of electronic control executor.

Description

Water-cooling exhaust system

Technical Field

The utility model relates to an engine field especially is about kinds of water-cooling exhaust system.

Background

The existing water-cooling exhaust system of the engine usually adopts a straight-through structural water-cooling exhaust pipe, the water flow entering the exhaust pipe cannot be controlled, or a series thermostat mode is adopted to control the water flow, although the control on the flow is fixed, the control is relatively inaccurate.

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 kind of water-cooling exhaust system that simple structure is reasonable, this water-cooling exhaust system carries out accurate control to the water yield of cooling blast pipe, improves the thermal efficiency of engine, solves at present can not control discharge or can only range control discharge bring heat loss and performance loss.

In order to achieve the purpose, the utility model provides an water-cooling exhaust system, which comprises an ECU controller, a water outlet main pipe, a water-cooling exhaust pipe, a temperature sensor and an electric control flow control valve, wherein the end of the water outlet main pipe is provided with a main pipe cooling water inlet, the end of the water-cooling exhaust pipe is provided with an exhaust pipe cooling water inlet, the end of the water-cooling exhaust pipe is provided with an exhaust pipe cooling water outlet, the exhaust pipe cooling water outlet is communicated with the water outlet main pipe, the temperature sensor is arranged at an exhaust pipe cooling water outlet end of the water-cooling exhaust pipe and is connected with the ECU controller, the electric control flow control valve comprises a control valve body, a distribution valve and an electronic control actuator, the control valve body is provided with an inlet, a main pipe outlet and an exhaust pipe outlet, the main pipe outlet is communicated with the main pipe cooling water inlet of the water outlet main pipe, the distribution valve is arranged in.

In a preferred embodiment at , the ECU controller includes a microprocessor, a memory, an input/output interface, and an analog-to-digital converter.

in a preferred embodiment, the water cooled exhaust pipes are arranged side by side on the side of the outlet header.

in a preferred embodiment, the opening of the portioning valve control valve can control the flow of water into the water-cooled stack between 0% and 100%.

Compared with the prior art, according to the utility model discloses a water-cooling exhaust system has following beneficial effect, this water-cooling exhaust system carries out accurate control to the water yield of cooling blast pipe according to engine in-service use operating mode, realizes the engine performance and takes away the best match between the heat, improves the thermal efficiency of engine, solves at present can not control discharge or can only fixed range control discharge bring heat loss and performance loss.

Drawings

Fig. 1 is a front view schematically illustrating a water-cooled exhaust system according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of a water-cooled exhaust system according to an embodiment of the present invention at .

Fig. 3 is a schematic top view of a water-cooled exhaust system according to an embodiment of the present invention.

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, the specific structure of the water-cooling exhaust system according to the preferred embodiment of the present invention comprises an electric control flow control valve 2, an ECU controller 3, a temperature sensor 4, a water-cooling exhaust pipe 5 and a water outlet main pipe 6, wherein the electric control flow control valve 2 can redistribute the cooling water entering the water-cooling exhaust pipe 5 and the water outlet main pipe 6, and transmit a water temperature signal to the ECU controller of the engine through the temperature sensor, and the ECU controller sends a control signal to the electric control flow control valve according to the engine calibration condition, and the electric control flow control valve adjusts the opening degree of the valve to adjust the water flow entering the water-cooling exhaust pipe so as to achieve the purpose of controlling the water temperature.

Specifically, the ECU controller 3 is composed of a Microprocessor (MCU), memories (ROM, RAM), an input/output interface (I/O), an analog-to-digital converter (a/D), and a large-scale integrated circuit such as a shaping circuit and a driving circuit. Also called as a traveling computer, a vehicle-mounted computer, etc. The controller is a special microcomputer controller for the automobile in terms of application.

The end of the outlet manifold 6 has a manifold cooling water inlet for connection to the manifold outlet of the electrically controlled flow control valve.

The water-cooled exhaust pipe 5 is arranged side by side on the side of the water outlet header pipe 6, the end of the water-cooled exhaust pipe is provided with an exhaust pipe cooling water inlet, the end of the water-cooled exhaust pipe is provided with an exhaust pipe cooling water outlet, cooling water enters from the exhaust pipe cooling water inlet to cool the exhaust pipe, and the exhaust pipe cooling water outlet is communicated with the water outlet header pipe 6, so that the cooling water which does not enter the water-cooled exhaust pipe and the cooling water which enters the cold exhaust pipe adopt a parallel flowing mode.

The temperature sensor 4 is arranged at the exhaust pipe cooling water outlet end of the water-cooled exhaust pipe 5, is connected with the ECU controller 3, and transmits a water temperature signal to the engine ECU controller.

The electric control flow control valve 2 is in a three-way form and comprises a control valve body, a distribution valve 22 and an electronic control actuator 25, wherein the control valve body is provided with an inlet 21, a main pipe outlet 23 and an exhaust pipe outlet 24, cooling water enters the control valve body through the inlet 21, the main pipe outlet 23 is communicated with a main pipe cooling water inlet of a water outlet main pipe 6, the exhaust pipe outlet 24 is communicated with an exhaust pipe cooling water inlet of a water-cooling exhaust pipe 5, the distribution valve 22 is arranged in the control valve body and is in driving connection with the electronic control actuator 25, the electronic control actuator 25 is connected with the ECU controller 3, and the ECU controller sends a control signal to the electronic control actuator 25 of the electric control flow control valve according to the engine calibration working condition, drives the distribution valve 22 to adjust the opening degree of a valve of the distribution valve, and adjusts the water flow entering the water-cooling.

The water-cooling exhaust system is controlled in a mode that an exhaust pipe outlet 24 in a three-way type electric control flow control valve 2 is connected with a water-cooling exhaust pipe 5 in series and flows into a water outlet main pipe 6 after passing through the water-cooling exhaust pipe 5, a main pipe outlet 23 of the electric control flow control valve is connected with the water outlet main pipe 6, a temperature sensor 4 transmits a water temperature signal to an engine ECU controller, the ECU controller is connected with the electric control flow control valve, a distribution valve 22 can rotate along with an electronic control actuator 25 to redistribute cooling water entering the system, and the opening degree of a control valve of the distribution valve 22 can be adjusted at any opening degree between 0% and 100% according to instructions.

In conclusion, the water-cooling exhaust system accurately controls the water quantity of the cooling exhaust pipe according to the actual use working condition of the engine, realizes the optimal matching between the performance of the engine and the heat quantity taken away, improves the thermal efficiency of the engine, and solves the heat loss and the performance loss caused by the fact that the water flow cannot be controlled or can be controlled only in fixed range at present.

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

The water-cooling exhaust system of kinds, characterized by, include:

an ECU controller;

the end of the water outlet manifold is provided with a manifold cooling water inlet;

the water-cooled exhaust pipe is provided with an exhaust pipe cooling water inlet at the end and an exhaust pipe cooling water outlet at the end, and the exhaust pipe cooling water outlet is communicated with the water outlet main pipe;

the temperature sensor is arranged at the cooling water outlet end of the exhaust pipe of the water-cooling exhaust pipe and is connected with the ECU controller; and

an electrically controlled flow control valve comprising: the control valve body is provided with an inlet, a main pipe outlet and an exhaust pipe outlet, the main pipe outlet is communicated with a main pipe cooling water inlet of a water outlet main pipe, and the exhaust pipe outlet is communicated with an exhaust pipe cooling water inlet of a water-cooling exhaust pipe; the distribution valve is arranged in the control valve body and is in driving connection with the electronic control actuator, and the electronic control actuator is connected with the ECU controller.
2. The water-cooled exhaust system of claim 1, wherein the ECU controller includes a microprocessor, a memory, an input/output interface, and an analog-to-digital converter.
3. The water-cooled exhaust system of claim 1, wherein the water-cooled exhaust pipes are arranged side-by-side on the side of the water outlet header pipe.
4. The water-cooled exhaust system of claim 1, wherein the distribution valve control valve is opened to control the flow of water into the water-cooled exhaust pipe between 0% and 100%.