CN102874189A - Coach chassis harness protection and alarm device and method thereof - Google Patents
Coach chassis harness protection and alarm device and method thereof Download PDFInfo
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- CN102874189A CN102874189A CN2012103943874A CN201210394387A CN102874189A CN 102874189 A CN102874189 A CN 102874189A CN 2012103943874 A CN2012103943874 A CN 2012103943874A CN 201210394387 A CN201210394387 A CN 201210394387A CN 102874189 A CN102874189 A CN 102874189A
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- wire harness
- chassis
- harness protection
- harness
- passenger
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Abstract
The invention relates to a coach chassis harness protection and alarm device, which comprises a chassis harness and a communication detection part, wherein an electric conduction metal film layer is arranged in a bellows of the chassis harness; the communication detection part comprises a harness protection and alarm system ECU (Electronic Control Unit), a display screen and an alarm signal collection node; the alarm signal collection node is connected with the electric conduction metal film layer; the alarm signal collection node of the alarm device is used for monitoring a potential difference between the electric conduction metal film layer and a chassis frame, and sending monitoring data to the harness protection and alarm system ECU; and when the potential difference is less than an experience number, the harness protection and alarm system ECU prompts a driver to pay attention to fault messages and fault points. The coach chassis harness protection and alarm device can be used for monitoring the safe state of the coach chassis harness in real time, accurately positioning harness abrasion alarm and fault points, and troubleshooting harness installation vulnerable points in a new product sample car stage, so that the outbreak of harness installation hidden danger on a batch product car is avoided, and the hazards of car harness ignition and after-sale troubleshooting are avoided.
Description
Technical field
The present invention relates to the passenger vehicle technical field of electricity, more particularly relate to a kind of devices and methods therefor that can implement to the passenger-carrying chassis wire harness protection warning function.
Background technology
Development along with Bus Technology, the quantity of electric apparatus mounted on vehicle is on the increase, and the passenger vehicle harness system becomes and becomes increasingly complex, and requirement improves constantly to the passenger vehicle traveling comfort to add market, the difficulty that the passenger vehicle space is arranged grows with each passing day, and the space of leaving the harness system installation for is very limited.The functions such as the most important power supply supply of vehicle, power transmission chain data-driven have been carried owing to being in the chassis wire harness of passenger vehicle electric system key component, and wire harness kind quantity is many, volume is large, cabling space is limited, and the installation reliability of chassis harness portion and safety also become the difficult point of passenger vehicle electrical design gradually.There are following inadequate natural endowment in installation reliability and the safety of tradition chassis harness portion:
One, because the chassis wire harness has often comprised large electric current supply line, with vehicle frame friction has occured because the protection of certain attachment point is not in place when the chassis wire harness, the wire harness protection layer galls when causing large electric current supply line to produce the partial short-circuit situation, the wire fuse of major loop can't in time fuse, and causes the vehicle fire accident thereby short dot produces lasting spark;
Two, because the chassis wire harness has often comprised the Communication Control wire harness of vehicle major impetus chain (driving engine, change speed gear box etc.), in case the chassis wire harness is impaired, a certain Communication Control line fault, will cause the major accidents such as vehicle stoppage in transit, and because the zone that the trouble point may exist is larger, bring great trouble will for the work of investigation trouble point;
Three, owing to the restriction of installing space structure, often the chassis line of difference in functionality ties in and binds together, in case impaired all the other wire harness of periphery that bring disaster to of a certain wire harness short circuit, the in the future accident investigation work of will giving bring very big difficulty.
For this reason, we provide a kind of passenger-carrying chassis wire harness protection warning device and method thereof, to guarantee its reliability and safety.
Summary of the invention
The object of the present invention is to provide a kind of devices and methods therefor that can implement to the passenger-carrying chassis wire harness protection warning function, the problem that exists with the installation reliability that solves traditional chassis harness portion and safety.
The present invention adopts following technical scheme:
The device that a kind of passenger-carrying chassis wire harness protection is reported to the police; comprise chassis wire harness and communication detection part; described chassis wire harness comprises bellows and inner wire thereof; also be provided with the conductive metal film layer that wire and bellows are separated in the bellows; described communication detection partly comprises wire harness protection warning ECU, the read-out and the alerting signal acquisition node that link to each other with wire harness protection warning ECU, and the alerting signal acquisition node also is connected with described conductive metal film layer.
Particularly; aforementioned wire harness protection warning ECU comprises CAN transceiver, CAN controller, microprocessor and internal memory; described CAN controller links to each other with microprocessor, and the CAN transceiver is connected to form the CAN bus network communication with CAN controller, alerting signal acquisition node respectively.
Further; every the chassis wire harness comprises multistage conductive metal film layer; every chassis wire harness is divided into a plurality of protection alarm regions with different numberings by multistage conductive metal film layer is corresponding; the corresponding protection alarm region of each alerting signal acquisition node, the collection pin of each alerting signal acquisition node have classification and the protection alarm region location that unique numbering is beneficial to alerting signal in described wire harness warning ECU.
Aforementioned alerting signal acquisition node comprises sampling interface circuit; sampling interface circuit is connected with the conductive metal film layer of the chassis wire harness of its affiliated protection alarm region, monitors at any time the difference of potential of conductive metal film layer and chassis frame and by the CAN bus network communication monitor data is sent to wire harness protection warning ECU at any time.
The quantity of above-mentioned chassis alerting signal acquisition node can determine flexibly according to the vehicle harness range size of arranging and the division of protecting alarm region; the quantity of node is more; the protection alarm region that then each node is corresponding is less, and is also more accurate to the location of wire harness trouble point.
The alarm method of this passenger-carrying chassis wire harness protection warning device mainly comprises: (1) alerting signal acquisition node is monitored the difference of potential of conductive metal film layer and chassis frame, and monitor data is sent to wire harness protection warning ECU; When (2) difference of potential was less than empirical value, wire harness protection warning ECU then pointed out the driver to note failure message and trouble point.
Be recorded in this wire harness protection warning ECU internal memory when further, wire harness protection warning ECU is transferred to the driver with this failure message and trouble point and with it.
Preferably, aforementioned alerting signal acquisition node sends to wire harness protection warning ECU by the CAN bus network communication at any time with monitor data.
More preferably, aforementioned wire harness protection warning ECU points out the driver to note the numbering of protection alarm region under failure message and the trouble point by the mode that sends a message to read-out.
By above-mentioned description to structure of the present invention as can be known, be compared with existing technology, the present invention has following advantage:
The passenger-carrying chassis wire harness protection warning device of this structure; in the bellows of chassis wire harness, increase the conductive metal film layer; utilize the difference of potential numerical value between conductive metal film layer and the chassis frame to judge whether wire harness is in wear state; and import one by a plurality of alerting signal acquisition nodes; the wire harness warning that wire harness protection warning ECU and read-out form; this system adopts the CAN mechanics of communication to communicate; the difference of potential information of each monitoring point of Real-Time Monitoring; and compare with empirical value; in case be judged to be short-circuit condition; system ECU just can point out the driver to note protecting alarm region and numbering under failure message and the trouble point by read-out; and this failure message is recorded in the wire harness protection warning ECU internal memory; therefore the present invention can Real Time Monitoring passenger-carrying chassis wire harness safe condition; and wire harness wearing and tearing alerting signal gathered; show and store and the trouble point is accurately located; passenger-carrying chassis wire harness safety is under the monitoring constantly; can to wire harness thin spot be installed in the new product sample car stage investigates; can in time find simultaneously fault generation high frequency points and determine fault wire harness classification; avoid wire harness that the outburst of hidden danger on the bulk article car is installed, evaded the on fire and risk of malfunction elimination after sale of vehicle harness.In addition, this warning device structure and method are simple, practical and reliable, have wide market application foreground.
Description of drawings
Fig. 1 is the structural representation that chassis of the present invention wire harness increases the conductive metal film layer;
Fig. 2 is the structured flowchart of communication detection part of the present invention;
Fig. 3 is the structured flowchart of wire harness protection warning ECU of the present invention;
Fig. 4 is the schematic diagram of the passenger-carrying chassis wire harness protection alarm method embodiment that the present invention relates to.
The specific embodiment
The specific embodiment of the present invention is described with reference to the accompanying drawings.For complete understanding the present invention, many details are described below, but to those skilled in the art, need not these details and also can realize the present invention, for known assembly, method and process, below be not described in detail.
A kind of passenger-carrying chassis wire harness protection warning device comprises chassis wire harness and communication detection part, and with reference to Fig. 1, the chassis wire harness comprises bellows 11 and inner wire 12 thereof, also is provided with the conductive metal film layer 13 that wire 12 and bellows 11 are separated in the bellows 11; With reference to Fig. 2; communication detection part 2 comprises wire harness protection warning ECU21; the read-out 22 and the alerting signal acquisition node 23 that link to each other with wire harness protection warning ECU21; alerting signal acquisition node 23 also is connected with described conductive metal film layer 13; wherein; every the chassis wire harness comprises multistage conductive metal film layer 13; every chassis wire harness is divided into a plurality of protection alarm regions with different numberings by multistage conductive metal film layer 13 is corresponding; each alerting signal acquisition node 23 corresponding protection alarm region, the collection pin of each alerting signal acquisition node 23 has classification and the protection alarm region location that unique numbering is beneficial to alerting signal in described wire harness warning ECU21.
With reference to Fig. 3; wire harness protection warning ECU21 comprises CAN transceiver 211, CAN controller 212, microprocessor 213 and internal memory 214; described CAN controller 212 links to each other with microprocessor 213, and CAN transceiver 211 is connected to form the CAN bus network communication with CAN controller 212, alerting signal acquisition node 23 respectively.
Alerting signal acquisition node 23 comprises sampling interface circuit; sampling interface circuit is connected with the conductive metal film layer 13 of the chassis wire harness of its affiliated protection alarm region; monitor at any time conductive metal film layer 13 and with the difference of potential of chassis frame and by the CAN bus network communication monitor data is sent to wire harness protection warning ECU21 at any time; the quantity of chassis alerting signal acquisition node 23 can determine flexibly according to the vehicle harness range size of arranging and the division of protecting alarm region; the quantity of alerting signal acquisition node 23 is more; then the protection alarm region of each alerting signal acquisition node 23 correspondence is less, and is also more accurate to the location of wire harness trouble point.
As shown in Figure 4; suppose that the vehicle chassis wire harness comprises wire harness A; B; C; D; E; what the range size of arranging according to vehicle harness was divided the protection alarm region is four zones; be respectively the headstock district; 1 district in the car; 2 districts and tailstock district in the car; adopt roman character I; II; III; IV represents; alerting signal acquisition node of each region division; be respectively: alerting signal acquisition node 231; alerting signal acquisition node 232; alerting signal acquisition node 233; alerting signal acquisition node 234; each of each node gathers pin has unique numbering to be beneficial to classification and the protection alarm region location of alerting signal in warning; such as the regional and vehicle frame friction at II of B wire harness; when the bellows protective cover breaks; the conductive metal film layer directly contacts with vehicle frame; the B pin of alerting signal acquisition node 232 that detect with voltage difference chassis frame just can be less than default empirical value θ; this numerical value is real-time transmitted to wire harness protection warning ECU21 by the CAN communication; wire harness protection warning ECU21 just can notice that failure message and position of failure point information are the B wire harness that is in the II zone by read-out 22 prompting drivers, and this failure message is recorded in the wire harness protection warning ECU21 internal memory 214.
Above-mentioned only is the specific embodiment of the present invention, but design concept of the present invention is not limited to this, allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.
Claims (9)
1. passenger-carrying chassis wire harness protection warning device; it is characterized in that: comprise chassis wire harness and communication detection part; described chassis wire harness comprises bellows and inner wire thereof; also be provided with the conductive metal film layer that wire and bellows are separated in the bellows; described communication detection partly comprises wire harness protection warning ECU, the read-out and the alerting signal acquisition node that link to each other with wire harness protection warning ECU, and the alerting signal acquisition node also is connected with described conductive metal film layer.
2. a kind of passenger-carrying chassis wire harness protection warning device as claimed in claim 1; it is characterized in that: described wire harness protection warning ECU comprises CAN transceiver, CAN controller, microprocessor and internal memory; described CAN controller links to each other with microprocessor, and the CAN transceiver is connected to form the CAN bus network communication with CAN controller, alerting signal acquisition node respectively.
3. a kind of passenger-carrying chassis wire harness protection warning device as claimed in claim 1; it is characterized in that: every chassis wire harness comprises multistage conductive metal film layer; every chassis wire harness is by corresponding a plurality of protection alarm regions with different numberings, the corresponding protection alarm region of each alerting signal acquisition node of being divided into of multistage conductive metal film layer.
4. a kind of passenger-carrying chassis wire harness protection warning device as claimed in claim 1, it is characterized in that: the collection pin of each alerting signal acquisition node has unique numbering in described wire harness warning ECU.
5. such as claim 3 or 4 described a kind of passenger-carrying chassis wire harness protection warning devices; it is characterized in that: described alerting signal acquisition node comprises sampling interface circuit, and sampling interface circuit is connected with the conductive metal film layer of the chassis wire harness of its affiliated protection alarm region.
6. a passenger-carrying chassis wire harness protection alarm method is characterized in that, mainly comprises: (1) alerting signal acquisition node is monitored the conductive metal film layer of chassis wire harness and the difference of potential of chassis frame, and monitor data is sent to wire harness protection warning ECU; When (2) difference of potential was less than empirical value, wire harness protection warning ECU then pointed out the driver to note failure message and trouble point.
7. a kind of passenger-carrying chassis wire harness protection alarm method as claimed in claim 6 is characterized in that: be recorded in this wire harness protection warning ECU internal memory when wire harness protection warning ECU is transferred to the driver with this failure message and trouble point and with it.
8. a kind of passenger-carrying chassis wire harness protection alarm method as claimed in claim 6, it is characterized in that: the alerting signal acquisition node sends to wire harness protection warning ECU by the CAN bus network communication at any time with monitor data.
9. a kind of passenger-carrying chassis wire harness protection alarm method as claimed in claim 6 is characterized in that: wire harness protection warning ECU points out the driver to note the numbering of protection alarm region under failure message and the trouble point by the mode that sends a message to read-out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103943874A CN102874189A (en) | 2012-10-17 | 2012-10-17 | Coach chassis harness protection and alarm device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103943874A CN102874189A (en) | 2012-10-17 | 2012-10-17 | Coach chassis harness protection and alarm device and method thereof |
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| Publication Number | Publication Date |
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| CN102874189A true CN102874189A (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2012103943874A Pending CN102874189A (en) | 2012-10-17 | 2012-10-17 | Coach chassis harness protection and alarm device and method thereof |
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| CN (1) | CN102874189A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450755A (en) * | 2018-10-17 | 2019-03-08 | 晶晨半导体(上海)股份有限公司 | Enhance the method and system of the stability margin of memory module bus interface |
| CN112406744A (en) * | 2020-12-07 | 2021-02-26 | 安徽江淮汽车集团股份有限公司 | Method, device and equipment for detecting fire prevention of wire harness in engine compartment and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10188684A (en) * | 1996-12-24 | 1998-07-21 | Harness Sogo Gijutsu Kenkyusho:Kk | Electric cable and short-circuit detection system using the same |
| CN2821800Y (en) * | 2005-08-19 | 2006-09-27 | 上海尽祥数码科技有限公司 | Cable for directly feeding electricity bus controller by car |
| US20090015976A1 (en) * | 2004-05-31 | 2009-01-15 | The Furukawa Electric Co., Ltd. | Power feed system for vehicle |
| JP2010021049A (en) * | 2008-07-11 | 2010-01-28 | Murata Mach Ltd | Harness wire, its abnormality detecting device, and its abnormality detecting method |
| CN202167270U (en) * | 2011-06-27 | 2012-03-14 | 福建创鑫电缆有限公司 | Safe cable |
| CN202193028U (en) * | 2011-07-22 | 2012-04-18 | 海南华福汽车零部件制造有限公司 | Automotive lighting safety control system based on CAN (controller area network) data transmission |
| CN202783028U (en) * | 2012-10-17 | 2013-03-13 | 厦门金龙联合汽车工业有限公司 | Protecting and alarming device for chassis harness of passenger car |
-
2012
- 2012-10-17 CN CN2012103943874A patent/CN102874189A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10188684A (en) * | 1996-12-24 | 1998-07-21 | Harness Sogo Gijutsu Kenkyusho:Kk | Electric cable and short-circuit detection system using the same |
| US20090015976A1 (en) * | 2004-05-31 | 2009-01-15 | The Furukawa Electric Co., Ltd. | Power feed system for vehicle |
| CN2821800Y (en) * | 2005-08-19 | 2006-09-27 | 上海尽祥数码科技有限公司 | Cable for directly feeding electricity bus controller by car |
| JP2010021049A (en) * | 2008-07-11 | 2010-01-28 | Murata Mach Ltd | Harness wire, its abnormality detecting device, and its abnormality detecting method |
| CN202167270U (en) * | 2011-06-27 | 2012-03-14 | 福建创鑫电缆有限公司 | Safe cable |
| CN202193028U (en) * | 2011-07-22 | 2012-04-18 | 海南华福汽车零部件制造有限公司 | Automotive lighting safety control system based on CAN (controller area network) data transmission |
| CN202783028U (en) * | 2012-10-17 | 2013-03-13 | 厦门金龙联合汽车工业有限公司 | Protecting and alarming device for chassis harness of passenger car |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450755A (en) * | 2018-10-17 | 2019-03-08 | 晶晨半导体(上海)股份有限公司 | Enhance the method and system of the stability margin of memory module bus interface |
| CN109450755B (en) * | 2018-10-17 | 2020-10-30 | 晶晨半导体(上海)股份有限公司 | Method and system for enhancing stability margin of memory module bus interface |
| CN112406744A (en) * | 2020-12-07 | 2021-02-26 | 安徽江淮汽车集团股份有限公司 | Method, device and equipment for detecting fire prevention of wire harness in engine compartment and storage medium |
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Application publication date: 20130116 |