CN219393947U - Combined modularized integrated line rail of high-speed high-power diesel engine - Google Patents

Abstract

The utility model discloses a combined modularized integrated line rail of a high-speed high-power diesel engine, which comprises at least one section of line rail, wherein an electric cable is connected to the inside of the line rail in a penetrating way, a plurality of circular sensor aviation plugs and heavy-load electric connectors are distributed at the upper end of the line rail, signal shielding joints are reserved in the circular sensor aviation plugs and the heavy-load electric connectors, each group of electric cable shielding joints are connected to the inner wall joints of the line rail, and the two ends of the line rail are sealed through line rail end covers.

Description

Combined modularized integrated line rail of high-speed high-power diesel engine

Technical Field

The utility model relates to the technical field of electrical control, in particular to a combined modularized integrated wire rail of a high-speed high-power diesel engine.

Background

The high-speed high-power diesel engine has the characteristics of large power, high rotating speed, multiple sensor measuring points and types, complex control function and the like, the measurement and control signal transmission of the electric control system depends on an electric cable, signals of various temperature and pressure sensor sampling signals, control, executive device driving and the like installed on the diesel engine are transmitted through the cable, and various signals are collected into the electric controller of the diesel engine for comparative analysis and processing and are output as display data, so that monitoring parameter out-of-limit alarm is realized, and the executive device is driven to output corresponding mechanical actions. The accuracy of signal transmission can be said to directly influence the normal operation of the diesel engine, and the correct signal can protect the diesel engine from running stably and reliably, so that the automatic control level of the diesel engine is improved, and the intelligent control is realized.

However, in practical application, the mutual interference among sensor measurement signals occurs in the existing high-speed high-power common rail electronic injection diesel engine, so that the faults of abnormal display of thermal parameters such as rotation speed fluctuation, temperature, pressure and the like of the diesel engine, failure of control functions and the like seriously affect normal use of the diesel engine, the mutual interference of the conventional diesel engine electrical wiring to sensor sampling signals usually adopts measures such as increasing the arrangement interval of signal cables, increasing signal shielding wiring and adopting shielding cables to improve measures for resisting electromagnetic signal interference, but the effect is not ideal, and the problem of signal interference still exists.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides a combined modularized integrated line rail of a high-speed high-power diesel engine, which can effectively reduce electromagnetic interference between signals and outside, ensure reliable and safe operation of an electric control system of the diesel engine and effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a modular integrated line rail of combination formula, includes at least one section line rail, the inside cross-under of line rail has electric cable conductor, the upper end of line rail is gone out and is distributed with a plurality of circular sensor avionics and heavy load electrical connector, circular sensor avionics is inserted and the heavy load electrical connector all reserves signal shielding contact, and every electric cable conductor shielding connection point of group all connects to line rail inner wall contact, the both ends of line rail are all sealed through line rail end cover.

As a preferable technical scheme of the utility model, a wire rod shield is arranged on the outer side of the wire rail, wire rods are arranged in the wire rod shield, wire rod supports are uniformly distributed on the outer side surface of the wire rods, and two ends of each wire rod support are fixedly connected with the wire rail and the wire rod shield respectively.

As a preferable technical scheme of the utility model, the wire rail end cover and the wire rod shield are all made of aluminum alloy materials.

Compared with the prior art, the utility model has the beneficial effects that: the combined modularized integrated line rail of the high-speed high-power diesel engine is compact in structure and reasonable in design, multiple sections of line rails are selected according to different access signal types to integrate, cables are accessed into different line rails, wiring according to the types is achieved, signal interference is reduced, a circular sensor aviation plug is arranged on each section of line rail and used for enabling a single sensor, each group of control signals and the like of the diesel engine to be independently accessed into the inside of the line rail, the heavy-load electric connection is arranged for converging the electric cables inside the line rail to serve as an electric interface, the integrated line rail is made of aluminum alloy materials and forms a metal shielding net, the signal anti-interference capacity in the line rail is effectively improved, and reliable and safe operation of an electric control system of the diesel engine is guaranteed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

In the figure: 1 wire rail end cover, 2 circular sensor aviation plug, 3 wire rail, 4 wire pole, 5 wire pole support, 6 heavy-duty electric connector, 7 wire pole guard shield.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments (for convenience of description and understanding, the following description is given with the upper side of fig. 1 as the upper side). All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a high-speed high-power diesel engine combination formula modularization integrated line rail, includes at least one section line rail 3, the inside cross-under of line rail 3 has electric cable conductor, the upper end of line rail 3 is put and is distributed a plurality of circular sensor avionics inserts 2 and heavy load electrical connector 6, circular sensor avionics inserts 2 and heavy load electrical connector 6 all reserve signal shielding contact, every group electric cable conductor shielding tie point all connects to line rail 3 inner wall contact, the both ends of line rail 3 all seal through line rail end cover 1.

The circular sensor aviation plug 2 is used for connecting a single sensor, each group of control signals and the like of a diesel engine installation into a wire rail independently, the heavy-load electrical connector 6 is an electrical interface which converges wires inside the wire rail 3 and extends outwards, the combined end part of the integrated wire rail 3 is a wire rail end cover, the circular sensor aviation plug is used for positioning, sealing and fastening the integrated wire rail during assembling and installing the multi-wire integrated wire rail, the wire rail 3, the wire rail end cover 1 and the wire rod shield 7 are made of aluminum alloy materials to form a metal shielding net, the anti-interference capability of signals in the wire rail is effectively improved, for example, PT100 type temperature resistance sensors are uniformly connected into the same wire rail 3, 4-20mA type pressure sensors are uniformly connected into the same wire rail 3, driving control type signals are uniformly connected into the same wire rail 3, the purpose that different wire rails 3 are respectively applied according to signal types is achieved, when one wire rail is connected with more signals, one wire rail 3 can be added on the basis of one wire rail 3, the combined modularized integrated wire rail is formed, the signal connection point can be doubled, and the electrical wiring requirements of a high-speed high-power control wiring system can be met.

During assembly, electric cables with proper lengths are classified according to signal types, one end of each cable is crimped and fixed on a wiring terminal of a circular sensor aviation plug 2 by referring to an electric wiring diagram, the other end of each cable is crimped and fixed on an aviation plug terminal corresponding to a heavy-load electric connector 6, a single group of signal cable shielding terminals are crimped and fixed at an electromagnetic shielding unified access point, the electric control and measurement signals are classified according to the sensor and control signals and are connected into integrated wire rails of different types by using shielding cables according to the classification of the sensor and the control signals, two ends of the arranged integrated wire rails are sealed by using wire rail end covers 1 and fastened by screws, and an integrated wire harness wire rail forms a closed metal shielding layer.

The outside of wire rail 3 is provided with wire pole guard 7, is provided with wire pole 4 in the wire pole guard 7, and wire pole 4's lateral surface equipartition has wire pole to support 5, and wire pole supports 5's both ends respectively with wire rail 3 and wire pole guard 7 fixed connection, through setting up wire pole 4 with this integrated wire rail fixed on the machine.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides a high-speed high-power diesel engine combination formula modularization integrated line rail which characterized in that: including at least one section line rail (3), the inside cross-under of line rail (3) has electric cable, the upper end interval of line rail (3) distributes and has a plurality of circular sensor avionics inserts (2) and heavy load electric connector (6), signal shielding contact is all reserved to circular sensor avionics inserts (2) and heavy load electric connector (6), and every group electric cable shielding tie point all connects to line rail (3) inner wall contact, the both ends of line rail (3) are all sealed through line rail end cover (1).

2. The modular integrated rail of a high-speed high-power diesel engine of claim 1, wherein: the wire rod is characterized in that a wire rod shield (7) is arranged on the outer side of the wire rail (3), a wire rod (4) is arranged in the wire rod shield (7), wire rod supports (5) are uniformly distributed on the outer side face of the wire rod (4), and two ends of the wire rod supports (5) are fixedly connected with the wire rail (3) and the wire rod shield (7) respectively.

3. The modular integrated rail for a high-speed high-power diesel engine of claim 2, wherein: the wire rail (3), the wire rail end cover (1) and the wire rod shield (7) are all made of aluminum alloy materials.