CN106882132A - A kind of CAN communication line construction suitable for electronic logistic car - Google Patents
A kind of CAN communication line construction suitable for electronic logistic car Download PDFInfo
- Publication number
- CN106882132A CN106882132A CN201710161511.5A CN201710161511A CN106882132A CN 106882132 A CN106882132 A CN 106882132A CN 201710161511 A CN201710161511 A CN 201710161511A CN 106882132 A CN106882132 A CN 106882132A
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- lines
- electric wire
- electrical nodes
- connection structure
- logistic car
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a kind of CAN communication line construction suitable for electronic logistic car, including:CAN, terminal resistance, some use electrical nodes, terminal resistance and all electrical nodes are connected into CAN, and terminal resistance accesses the end of CAN, it is connected with CAN by set in CAN and wire connection structure with electrical nodes, and wire connection structure includes that what is be connected with each other enters electric wire, goes out electric wire, node branch line, enter electric wire, go out electric wire and be connected with CAN, node branch line is connected with electrical nodes；In same and wire connection structure, the CAN for entering electric wire and going out between electric wire is open circuit.And wire connection structure is provided with doubling point, enters electric wire, go out electric wire, node branch line and be connected with each other by doubling point.The present invention has outstanding anti-interference, and cheap, easily the advantage of production.
Description
Technical field
The present invention relates to CAN communication line construction field, particularly a kind of CAN communication circuit suitable for electronic logistic car
Structure.
Background technology
At present, the pure electronic logistic car of in the market is more and more, and it is electricity that electronic logistic car uses the battery system of high pressure
Machine is powered.At this stage, between each core component such as electric machine controller, entire car controller, battery management system of electronic logistic car
Communication modes still continue to use communication modes --- the communication modes of CAN network of traditional car.It is well known that CAN network
Communication is realized by the potential difference in two buses, and how to ensure that the communication on CAN circuits is reliable, interference is small is electronic thing
Flow car to suffer from a problem that, especially the serious asynchronous machine logistic car of electromagnetic interference.The CAN circuits of traditional car are often
CAN network is supported by twisted-pair feeder, when branch is run into a bus, the external reality of twisted-pair feeder is carried out in bifurcation
The extraction of existing branch.Such mode there may be CAN network on electronic logistic car and run into interference, can run into the feelings of frame losing
Condition.Also a kind of mode is that CAN circuits use twisted-pair shielded wire, and carries out branch at node using special three-way plug and connect
Go out, such mode ensure that the ability for resisting extraneous radiation, but three-way plug high cost, before not possessing a large amount of use
Scape.
The content of the invention
For the problem that above-mentioned prior art is present, the invention provides a kind of CAN line constructions, can be effectively and reliably
Disturbing of being subject in logistic car CAN is resisted, and it is cheap.
A kind of CAN communication line construction suitable for electronic logistic car, it is characterised in that including:CAN, terminal electricity
Resistance, some use electrical nodes, terminal resistance and all electrical nodes are connected into CAN, and terminal resistance accesses CAN
End, is connected by set in CAN and wire connection structure with electrical nodes with CAN, and wire connection structure includes phase
What is connected enters electric wire, goes out electric wire, node branch line, enters electric wire, goes out electric wire and be connected with CAN, node branch line with use
Electrical nodes are connected；In same and wire connection structure, the CAN for entering electric wire and going out between electric wire is open circuit.
And wire connection structure is provided with doubling point, enters electric wire, go out electric wire, node branch line and be connected with each other by doubling point.
Further, CAN includes and terminal resistance and each CAN separated time being connected with electrical nodes, CAN separated time bags
Include：CANL lines, CANH lines, CANS lines, and each with electrical nodes by and wire connection structure respectively with CANL lines, CANH
Line, CANS lines are connected.
Further, electrical nodes, CANL lines, CANH lines, CANS lines are used respectively to be connected by a doubling for any one
Structure is connected with this with electrical nodes.
Further, two and wire connection structure adjacent being connected with electrical nodes and be connected on same CAN separated times,
The electric wire that goes out of one of them is connected with another the electric wire that enters.
Further, CANL lines, CANH lines, CANS lines are connected with terminal resistance.
Further, and wire connection structure is provided with doubling point, enter electric wire, go out electric wire, node branch line with doubling point phase
Even.
Further, doubling point is less than 100mm with the distance of electrical nodes.
Further, CANL lines, CANH lines, CANS lines are connected in doubling point by Plasma Welding or argon arc welding.
Further, CANL lines, CANH lines, CANS lines are cased with the heat-shrink tube of insulation.
Further, CAN separated times are twin-core shielding line.
The twisted-pair feeder that prior art is used is on the severe electronic logistic car of electromagnetic environment for transmitting communication signal, meeting
More or less appearance frame losing phenomenon.Cause the Quality Down of communication signal, driving is influenceed when serious.Compared with prior art,
The present invention using and wire connection structure, efficiently and securely resist disturbing of being subject in electronic logistic car CAN, low cost
Honest and clean, making apparatus are simple, workable.
Brief description of the drawings
Fig. 1 is CAN connection diagram of the invention.
Fig. 2 is structure principle chart of the invention.
Fig. 3 is with the annexation enlarged drawing of electrical nodes.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention are included but is not limited to
The following example.
Embodiment one
A kind of CAN communication line construction suitable for electronic logistic car as shown in Figures 1 to 3, including:CAN, terminal
Resistance, some use electrical nodes, from figure 1 it appears that terminal resistance and all electrical nodes are connected into CAN, and eventually
End resistance accesses the end of CAN so that form effective communication between the various pieces of electronic logistic car.Passed through with electrical nodes
Set in CAN and wire connection structure is connected with CAN, and wire connection structure includes that what is be connected with each other enters electric wire, goes out
Electric wire, node branch line, as shown in figure 3, it is in integrally dispersion shape, node branch line is connected into, electric wire with electrical nodes, goes out electricity
Line is connected with CAN, and node branch line is connected with electrical nodes；In same and wire connection structure, enter electric wire and go out electric wire
Between CAN for open circuit.
And wire connection structure is provided with doubling point, enters electric wire, go out electric wire, node branch line and be connected with each other by doubling point.
The structure is different from existing twisted pair construction, with good anti-interference.
In the present embodiment, CAN includes and terminal resistance and each CAN separated time being connected with electrical nodes：CANL lines,
CANH lines, CANS lines, CANH are in high level state, and CANL is in low level state, and CANS lines are the screen layer of shielding line.Often
Individual electrical nodes are all connected with CANL lines, CANH lines, CANS lines respectively by simultaneously wire connection structure.
The present embodiment, uses electrical nodes, CANL lines, CANH lines, CANS lines respectively to be connected by a doubling for any one
Structure is connected with this with electrical nodes, i.e., in complete CAN communication circuit, each connects knot with three doublings are connected with electrical nodes
Structure, corresponds to CANL lines, CANH lines, CANS lines respectively.
As shown in Fig. 2 two doublings connection knot that is adjacent being connected with electrical nodes and being connected on same CAN separated times
Structure, i.e., carry out doubling and form three individually and wire connection structure, with the leftmost side respectively to CANL lines, CANH lines, CANS lines
Two with as a example by electrical nodes, the electric wire that enters of the first connection CANH in left side is equivalent to the separated time in itself, its one end with go out electric wire
With node branch line doubling, go out electric wire and also correspond to the separated time in itself, go out the electric wire electric wire that enters adjacent thereto and be connected, with such
Push away, the electric wire that goes out of one of them is connected with another the electric wire that enters, untill terminal resistance, overall is in cascaded structure CANL
Line, CANH lines, CANS lines are connected with terminal resistance.
Embodiment two
Based on the product described in embodiment one, the present embodiment will pair and wire connection structure further illustrate.
In the present embodiment, doubling point is less than 100mm with the distance of electrical nodes, it is preferred that doubling point distance controller device
Part can drastically reduce the area the exposed of CANH, CANL circuit within 60mm.
In the present embodiment, CANL lines, CANH lines, CANS lines are connected in doubling point by Plasma Welding or argon arc welding,
Both welding manners are more outstanding compared to traditional welding manner, particularly Plasma Welding, and plasma jet is through entirely
One aperture (i.e. keyhole effect) gas of weld seam and formation is also passed through therewith.Certainly, this aperture is closed with the reach of electric arc,
The solderable steel plate thicker than TIG welderings of plasma weldering has indubitable advantage in operating technology and the aspect of economic benefit two.
In the present embodiment, CANL lines, CANH lines, CANS lines are cased with the heat-shrink tube of insulation.
Used as a preferred implementation method, CAN separated times are twin-core shielding line.
Claims (9)
1. a kind of CAN communication line construction suitable for electronic logistic car, it is characterised in that including:CAN, terminal resistance,
Some use electrical nodes, terminal resistance and all electrical nodes are connected into CAN, and terminal resistance accesses the end of CAN
End, is connected by set in CAN and wire connection structure with electrical nodes with CAN, and wire connection structure is included mutually
Entering electric wire, going out electric wire, node branch line for connection, enters electric wire, goes out electric wire and be connected with CAN, node branch line and electricity consumption
Node is connected；In same and wire connection structure, the CAN for entering electric wire and going out between electric wire is open circuit；
And wire connection structure is provided with doubling point, enters electric wire, go out electric wire, node branch line and be connected with each other by doubling point.
2. a kind of CAN communication line construction suitable for electronic logistic car according to claim 1, it is characterised in that CAN
Bus includes including with terminal resistance and each CAN separated time being connected with electrical nodes, CAN separated times：CANL lines, CANH lines, CANS
Line, and each is passed through with electrical nodes and wire connection structure is connected with CANL lines, CANH lines, CANS lines respectively.
3. a kind of CAN communication line construction suitable for electronic logistic car according to claim 2, it is characterised in that right
Electrical nodes are used in any one, CANL lines, CANH lines, CANS lines respectively pass through one and wire connection structure uses electrical nodes phase with this
Even.
4. a kind of CAN communication line construction suitable for electronic logistic car according to claim 3, it is characterised in that phase
Neighbour's electrical nodes are connected and be connected on same CAN separated times two and wire connection structure, one of them go out electric wire with
Another the electric wire that enters is connected.
5. a kind of CAN communication line construction suitable for electronic logistic car according to claim 3, it is characterised in that
CANL lines, CANH lines, CANS lines are connected with terminal resistance.
6. a kind of CAN communication line construction suitable for electronic logistic car according to claim 5, it is characterised in that and
Line point is less than 100mm with the distance of electrical nodes.
7. a kind of CAN communication line construction suitable for electronic logistic car according to claim 2, it is characterised in that
CANL lines, CANH lines, CANS lines are connected in doubling point by Plasma Welding or argon arc welding.
8. a kind of CAN communication line construction suitable for electronic logistic car according to claim 2, it is characterised in that
CANL lines, CANH lines, CANS lines are cased with the heat-shrink tube of insulation.
9. a kind of CAN communication line construction suitable for electronic logistic car according to claim 2, it is characterised in that CAN
Separated time is twin-core shielding line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710161511.5A CN106882132A (en) | 2017-03-17 | 2017-03-17 | A kind of CAN communication line construction suitable for electronic logistic car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710161511.5A CN106882132A (en) | 2017-03-17 | 2017-03-17 | A kind of CAN communication line construction suitable for electronic logistic car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106882132A true CN106882132A (en) | 2017-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710161511.5A Pending CN106882132A (en) | 2017-03-17 | 2017-03-17 | A kind of CAN communication line construction suitable for electronic logistic car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114217563A (en) * | 2022-01-14 | 2022-03-22 | 华清科盛(北京)信息技术有限公司 | Terminal resistance adjusting method and device of industrial CAN bus based on sorting system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101327768A (en) * | 2008-06-20 | 2008-12-24 | 清华大学 | Invariable wire harness based on vehicle intelligent electric appliance |
| CN202649808U (en) * | 2012-07-24 | 2013-01-02 | 武汉天运汽车电器有限公司 | CAN communication wire harness control system |
| US9541906B2 (en) * | 2014-09-11 | 2017-01-10 | Hong-Te SU | Controller capable of achieving multi-variable controls through single-variable control unit |
-
2017
- 2017-03-17 CN CN201710161511.5A patent/CN106882132A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101327768A (en) * | 2008-06-20 | 2008-12-24 | 清华大学 | Invariable wire harness based on vehicle intelligent electric appliance |
| CN202649808U (en) * | 2012-07-24 | 2013-01-02 | 武汉天运汽车电器有限公司 | CAN communication wire harness control system |
| US9541906B2 (en) * | 2014-09-11 | 2017-01-10 | Hong-Te SU | Controller capable of achieving multi-variable controls through single-variable control unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114217563A (en) * | 2022-01-14 | 2022-03-22 | 华清科盛(北京)信息技术有限公司 | Terminal resistance adjusting method and device of industrial CAN bus based on sorting system |
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Application publication date: 20170623 |