阅读说明：本技术 一种分布集成式线束 (Distribution integrated form pencil ) 是由 王小路 陈岭 徐磊 朱璧晖 于 2020-06-12 设计创作，主要内容包括：本发明提供了一种分布集成式线束,包括转换盒及设置其两端的进线端口和出线端口,所述出线端口包括直通信号输出端口、CAN总线通信端口；所述转换盒内设置直通式线束处理模块和CAN总线传输控制模块；在转换盒外设置两档拨码开关。本发明通过拨码开关将线束分为直通式和CAN总线传输式两种模式,打破了捆扎式线束的传统模式,采用分布集成式线束实现了线束的分布式集成化,改善系统整体线路布局、集成化模式降低人工成本和材料成本、采用快速插拔模式使现场安装及检查更加便捷,同时模块化形式提高了产品的通用性,方便了故障排查。(The invention provides a distributed integrated wiring harness, which comprises a conversion box, and an incoming line port and an outgoing line port which are arranged at two ends of the conversion box, wherein the outgoing line port comprises a through signal output port and a CAN bus communication port; a straight-through wire harness processing module and a CAN bus transmission control module are arranged in the conversion box; the two-gear dial switch is arranged outside the conversion box. The wiring harness is divided into a straight-through mode and a CAN bus transmission mode through the dial switch, the traditional mode of a bundled wiring harness is broken through, distributed integration of the wiring harness is realized by adopting the distributed integrated wiring harness, the overall circuit layout of the system is improved, the integrated mode reduces labor cost and material cost, the field installation and inspection are more convenient and faster by adopting a quick plug-in mode, meanwhile, the universality of the product is improved in a modularized mode, and troubleshooting is facilitated.)

1. A distributed integrated wiring harness is characterized by comprising a conversion box, and a wire inlet port and a wire outlet port which are arranged at two ends of the conversion box, wherein the wire outlet port comprises a through signal output port and a CAN bus communication port; a through-type wire harness processing module and a CAN bus transmission control module are arranged in the conversion box, and the through-signal output port and the CAN bus communication port are respectively and correspondingly connected with the through-type wire harness processing module and the CAN bus transmission control module; two-gear dial switch is arranged outside the conversion box, the input end of the two-gear dial switch is connected with the wire inlet port, and the two output ends of the two-gear dial switch are connected with the straight-through wire harness processing module and the CAN bus transmission control module respectively.

2. The distributed integrated wiring harness of claim 1, wherein the CAN bus transmission control module comprises a main control module and a minimum system thereof, and the switching signal processing module, the analog signal processing module, the CAN bus module and the output signal processing module are respectively connected to an I/O port of the main control module; the CAN bus communication port comprises a CAN bus port and a feedback signal output port which are respectively and correspondingly connected with a CAN bus module and an output signal processing module.

3. The distributed integrated wiring harness of claim 2, wherein the master control module employs a microcontroller of type C8051F506, the CAN bus module employs a CAN bus receiver of type TJA1040T and a TVS diode of type NUP2105LZ17, and the switching signal processing module employs an RC filter circuit.

4. The distributed integrated wiring harness of claim 2, wherein two outputs of the two-position dial switch are respectively connected in series with indicator lights for through mode and CAN bus communication mode indication.

5. The distributed integrated wiring harness of claim 2, wherein the switch box is externally provided with a download port, the download port being electrically connected to a port of the main control module for program download.

6. The distributed integrated wiring harness of claim 2, wherein at least two of the inlet ports are provided and quick plugs of different specifications are connected by cables; the through signal output port is connected with the integrated signal output connector through a cable; the CAN bus port and the feedback signal output port are respectively and correspondingly connected with the CAN bus connector and the feedback signal connector through cables.

7. The distributed integrated wiring harness of claim 1, wherein a fixed bracket is provided external to the transition box.

8. The distributed integrated wiring harness as defined in claim 2, wherein waterproof plugs are respectively provided outside the inlet port, the through signal output port, the CAN bus port and the feedback signal output port.

Technical Field

The invention relates to the field of electronic and electric communication lines, in particular to a distributed integrated wiring harness.

Background

The wire harness mainly plays a role in connecting all components in one product or system, so that smoothness of a circuit and normal operation of the system are guaranteed, and the wire harness plays a vital role in reliability of the whole product or system. With the development of industrialization, manufacturers have increasingly high requirements on the improvement of production efficiency, the control of production cost and the reliability of products in the batch production process of the products. In particular, control systems have become mainstream in agricultural machines, heavy mining machines, and construction machines, and the number of electric components involved in the machines has increased, and the interface circuits have become more complicated.

For example, chinese patent publication No. CN2652723 proposes an intelligent instrument system with CAN communication for an automobile, which introduces a single chip system, a CAN bus, and a liquid crystal display system based on the existing combination instrument, wherein the single chip system is connected to the combination instrument and the liquid crystal display system through signal output ports thereof, the signal input port of the single chip system is connected to the CAN bus through a CAN controller, and the CAN bus communication is introduced, thereby greatly reducing through signal lines. Still have whole pencil planning and be limited, the routing is inflexible, the pencil port is more and the problem that the connection is easy to make mistakes in the field work process, urgent need improve.

Disclosure of Invention

To solve the above problems, the present invention provides a distribution integrated type wire harness. The wiring harness is divided into a straight-through mode and a CAN bus transmission mode through the dial switch, the traditional mode of a bundled wiring harness is broken through, distributed integration of the wiring harness is realized by adopting the distributed integrated wiring harness, the overall circuit layout of the system is improved, the integrated mode reduces labor cost and material cost, the field installation and inspection are more convenient and faster by adopting a quick plug-in mode, meanwhile, the universality of the product is improved in a modularized mode, and troubleshooting is facilitated. And secondly, the embedded CAN bus transmission type is adopted, the embedded CAN bus transmission type not only has a data acquisition and processing function, but also transmits data to the outside in a CAN bus mode, and intelligent control CAN be realized through an external control module.

In order to realize the technical purpose, the technical scheme of the invention is as follows: a distributed integrated wiring harness comprises a conversion box, and a wire inlet port and a wire outlet port which are arranged at two ends of the conversion box, wherein the wire outlet port comprises a through signal output port and a CAN bus communication port; a through-type wire harness processing module and a CAN bus transmission control module are arranged in the conversion box, and the through-signal output port and the CAN bus communication port are respectively and correspondingly connected with the through-type wire harness processing module and the CAN bus transmission control module; two-gear dial switch is arranged outside the conversion box, the input end of the two-gear dial switch is connected with the wire inlet port, and the two output ends of the two-gear dial switch are connected with the straight-through wire harness processing module and the CAN bus transmission control module respectively.

Further, the CAN bus transmission control module comprises a main control module and a minimum system thereof, and the switching signal processing module, the analog signal processing module, the CAN bus module and the output signal processing module are respectively connected with an I/O port of the main control module; the CAN bus communication port comprises a CAN bus port and a feedback signal output port which are respectively and correspondingly connected with a CAN bus module and an output signal processing module.

Preferably, the main control module adopts a microcontroller with a model number of C8051F506, the CAN bus module adopts a CAN bus receiver with a model number of TJA1040T and a TVS diode with a model number of NUP2105LZ17, and the switching signal processing module adopts an RC filter circuit.

Preferably, two output ends of the two-gear dial switch are respectively connected with an indicator lamp in series and used for indicating a direct mode and a CAN bus communication mode.

Furthermore, a download port is arranged outside the conversion box and electrically connected with a program download port of the main control module.

Furthermore, at least two inlet ports are arranged and are connected with quick plugs with different specifications through cables; the through signal output port is connected with the integrated signal output connector through a cable; the CAN bus port and the feedback signal output port are respectively and correspondingly connected with the CAN bus connector and the feedback signal connector through cables.

Furthermore, a fixed bracket is arranged outside the conversion box.

Furthermore, waterproof plugs are respectively arranged outside the incoming line port, the through signal output port, the CAN bus port and the feedback signal output port.

The invention has the beneficial effects that:

the wiring harness is divided into a straight-through mode and a CAN bus transmission mode through the dial switch, the traditional mode of a bundled wiring harness is broken through, distributed integration of the wiring harness is realized by adopting the distributed integrated wiring harness, the overall circuit layout of the system is improved, the integrated mode reduces labor cost and material cost, the field installation and inspection are more convenient and faster by adopting a quick plug-in mode, meanwhile, the universality of the product is improved in a modularized mode, and troubleshooting is facilitated. And secondly, the embedded CAN bus transmission type is adopted, the embedded CAN bus transmission type not only has a data acquisition and processing function, but also transmits data to the outside in a CAN bus mode, and intelligent control CAN be realized through an external control module.

Drawings

FIG. 1 is a schematic diagram of a pass-through transmission mode wiring of the present invention;

FIG. 2 is a schematic diagram of CAN bus transmission mode connections according to the present invention;

FIG. 3 is a schematic structural diagram of a two-position toggle switch according to the present invention;

FIG. 4 is a schematic diagram of the internal circuit connections of the two-position dip switch of the present invention;

FIG. 5 is a schematic diagram of the internal circuitry of the transition box of the present invention;

fig. 6 is a schematic diagram of the circuit modularization of the CAN bus transmission control module of the present invention.

Detailed Description

The technical solution of the present invention will be clearly and completely described below.

A distributed integrated wiring harness, as shown in fig. 1 and 5, comprising a conversion box 4, and a wire inlet port 3 and a wire outlet port which are arranged at two ends of the conversion box, wherein the wire outlet port comprises a through signal output port and a CAN bus communication port; a through-type wire harness processing module and a CAN bus transmission control module are arranged in the conversion box 4, and the through-type wire harness processing module and the CAN bus transmission control module are respectively and correspondingly connected with the through-type signal output port 6 and the CAN bus communication port; two-gear dial switch 8 is arranged outside the conversion box, the input end of the two-gear dial switch is connected with the inlet wire port, and the two output ends of the two-gear dial switch are connected with the straight-through wire harness processing module and the CAN bus transmission control module respectively. As shown in fig. 3 and 4, the through-type wire harness is realized when the 1 st gear is selected; and when the gear 2 is selected, CAN bus transmission is performed. According to the wiring harness bundling integrated circuit, the wiring harness is divided into a straight-through mode and a CAN bus transmission mode through the dial switch, the traditional mode of the bundling wiring harness is broken through, the distributed integration of the wiring harness is realized by adopting the distributed integrated wiring harness, the overall circuit layout of the system is improved, the labor cost and the material cost are reduced by adopting the integrated mode, the field installation and inspection are more convenient and faster by adopting the quick plug mode, and meanwhile, the universality of the product is improved by adopting the modularized mode.

Further, as shown in fig. 6, the CAN bus transmission control module includes a main control module and a minimum system thereof, and the switching signal processing module, the analog signal processing module, the CAN bus module, and the output signal processing module are respectively connected to the I/O port of the main control module; the CAN bus communication port comprises a CAN bus port and a feedback signal output port which are respectively and correspondingly connected with a CAN bus module and an output signal processing module. The CAN bus transmission control module is used for operating and processing external acquired signal data through the main control module and transmitting the data to corresponding peripheral equipment through the CAN bus. The switching signal processing module processes data of an external low-voltage switching value signal or a switching light sensor and then transmits the signal to the main control module. The analog signal processing module processes data of an external analog quantity signal sensor and then transmits the signals to the main control module.

Preferably, the main control module adopts a microcontroller with the model number C8051F506, and 40 ports are available.

The CAN bus module adopts a CAN bus receiver with the model number of TJA1040T and a TVS diode with the model number of NUP2105LZ17, and protects the CAN transceiver from ESD and other harmful transient voltage events in a high-speed and fault-tolerant network and prevents static electricity.

The switch signal processing module adopts an RC filter circuit to remove port noise and can eliminate jitter signals. The embedded CAN bus transmission type CAN not only have the function of data acquisition and processing, but also transmit data to the outside in a CAN bus form, and CAN realize intelligent control through an external control module. Can process various signals such as various sensor signals, switch signals, electromagnetic valve driving signals, light signals, voice prompt signals, fault prompt signals, power supplies and the like.

Preferably, two output ends of the two-gear dial switch are respectively connected with an indicator lamp in series and used for indicating a direct mode and a CAN bus communication mode.

Furthermore, a download port is arranged outside the conversion box and is electrically connected with a port 7 for downloading the program of the main control module. The data acquisition processing control of the main control module can be controlled through program downloading, and intelligent control is realized.

Furthermore, at least two inlet ports are arranged and are connected with the quick plugs 1 with different specifications through cables; the through signal output port 6 is connected with an integrated signal output connector 9 through a cable; the CAN bus port and the feedback signal output port are respectively and correspondingly connected with the CAN bus connector 2 and the feedback signal connector 10 through cables.

Further, a fixed bracket 5 is arranged outside the conversion box.

Furthermore, waterproof plugs are respectively arranged outside the incoming port, the through signal output port, the CAN bus port and the feedback signal output port, no output is generated at other ports, and the waterproof plugs are used for sealing.

As an embodiment of the present invention, as shown in fig. 1, when the through mode is selected, the through-type harness processing module is in the start state, the CAN bus transmission control module is in the stop state, and the output form is an output signal line. The straight-through type is suitable for the overall circuit layout of the system, and the wiring harness module can be used for bidirectional multiplexing, namely a many-to-one integration mode and a one-to-many dispersion mode. The modularization form not only strengthens the universality of the wire harness, but also enables the line to be flexibly built and is convenient for planning the line. Many-to-one integration is used in situations where signals scattered over multiple different locations need to be concentrated into one location for processing. A plurality of connecting wire bundles are integrated into one originally, so that the circuit is simplified and the installation is convenient. The one-to-many dispersion scheme is used in a case where signals from the same location need to be dispersed to different locations for processing. The lines are separated according to requirements, the line connection is flexible, and planning of the whole wiring harness is facilitated. The conditions of many-to-one integration and one-to-many dispersion are not limited to the conditions in the case, and can be in a one-to-two, one-to-three, one-to-five and other forms, and the number of the branch end ports is determined according to actual requirements.

As another embodiment of the present invention, as shown in fig. 2, when the CAN bus transmission control module is selected, the CAN bus transmission control module belongs to a start state, the general harness processing module is in a stop state, and the output form is CAN bus output and feedback signal output. The CAN bus transmission type is suitable for occasions where external signals are collected to be processed, has a data collection and processing function, sends data to the outside in a CAN bus mode, and CAN realize intelligent control through an external control module. The sensor can collect various sensor signals, such as current type, voltage type, switch type, Hall type and other types of sensors. The port type of the input end is determined according to actual requirements and is not limited to the type in the case.

It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.