CN2771040Y - Automobile electric assembly - Google Patents
Automobile electric assembly Download PDFInfo
- Publication number
- CN2771040Y CN2771040Y CN 200420115494 CN200420115494U CN2771040Y CN 2771040 Y CN2771040 Y CN 2771040Y CN 200420115494 CN200420115494 CN 200420115494 CN 200420115494 U CN200420115494 U CN 200420115494U CN 2771040 Y CN2771040 Y CN 2771040Y
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- CN
- China
- Prior art keywords
- automobile
- bus
- main controller
- master controller
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an automobile electric bus, which comprises a main controller (2), an input-output interface circuit (11), a plurality of load distribution controllers (9), an automobile combined switch (5), a speed display keyboard (3), a time display board (4) and a sensor (8), wherein the speed display keyboard (3), the time display board (4) and the automobile combined switch (5) are respectively connected with the corresponding end of the main controller (2); one end of the load distribution controller (9) is connected with the corresponding end of the main controller (2) through the bus. The main controller (2) is composed of a sending and receiving communication circuit and a central processing unit CPU; the sensor (8) is connected with the main controller (2) through the input-output interface circuit (11). The utility model transmits sensor signals and the switch value near each load divider to the main controller through the load divider by the bus, and the sensor signals and the switch value are driven to be displayed by an instrument, which verily realizes that various signals on the automobile are transmitted by the bus, simplifies the circuit construction and enhances the electric operational reliability.
Description
Technical field
This patent relates to the automobile electric bus that is specifically designed to the wiring of automobile low-voltage electrical.
Background technology
Prior art is that the patent No. is 01247284.0 the disclosed a kind of automobile electric bus of utility model patent, and its keystone configuration comprises master controller, input/output interface circuit, some load distribution controllers, automobile combined switch, speed of a motor vehicle display keyboard, time display plate and sensor.Speed of a motor vehicle display keyboard, time display plate and automobile combined switch are connected with the corresponding end of master controller respectively.One end of load distribution controller is connected with the corresponding end of master controller by bus.Its shortcoming is that the automobile sensor signal directly is connected with master controller, drives instrument then and shows, does not fundamentally realize from the various data-signals of bus transmission automobile.
Summary of the invention
The purpose of this utility model just provides a kind of later-model automobile electric bus, and the automobile sensor signal that exists with the solution prior art directly is connected with master controller, does not fundamentally realize from the problem of the various data-signals of bus transmission automobile.
This patent is that to solve the problems of the technologies described above the technical scheme that adopts be such: comprise master controller, input/output interface circuit, some load distribution controllers, automobile combined switch, speed of a motor vehicle display keyboard, time display plate and sensor, speed of a motor vehicle display keyboard, time display plate and automobile combined switch are connected with the corresponding end of master controller respectively; One end of load distribution controller is connected with the corresponding end of master controller by bus, it is characterized in that: described master controller constitutes by having the central processor CPU that sends and receive communicating circuit; Described sensor is connected with master controller by described input/output interface circuit.
The utility model with near the sensor signal each load divider and switching value by load divider by bus transfer to master controller, being driven into instrument again shows, really realized having simplified circuit structure, improved electric functional reliability by the various signals on the bus transfer automobile.
Description of drawings
Fig. 1 is a structural principle block diagram of the present utility model;
Fig. 2 is the scheme of installation on automobile of the present utility model.
The specific embodiment
Referring to accompanying drawing 1 and Fig. 2, comprise master controller 2, input/output interface circuit 11, some load distribution controllers 9, automobile combined switch 5, speed of a motor vehicle display keyboard 3, time display plate 4 and sensor 8, speed of a motor vehicle display keyboard 3, time display plate 4 and automobile combined switch 5 are connected with the corresponding end of master controller 2 respectively; One end of load distribution controller 9 is connected by the corresponding end of bus with master controller 2.Described master controller 2 constitutes by having the central processor CPU that sends and receive communicating circuit.Described sensor 8 is connected with master controller 2 by described input/output interface circuit 11.The output, the input end that wherein send, receive communicating circuit in the load distribution controller 9 are connected with master controller 2 by input/output interface circuit 11 by two intercommunication lines 6 respectively.By the power supply of storage battery 1 as each module.
Fig. 2 is the scheme of installation on automobile 10 of the present utility model, wherein mark 7 power leads.
In foregoing circuit, the operational order of CPU timing acquiring chaufeur (keyboard and on-off signal) is carried out operation accordingly, sends signal (address code and numeric data code), call load dispensing controller by sending chip by the mode of pulsewidth coding.The load distribution controller that has only the address to conform to just responds received signal and latch data, controls corresponding load (lamp, windscreen wiper etc.) work, oppositely sends the signal that receives and the sensor signal of load divider to master controller simultaneously.After master controller receives that receiving chip receives the reverse transmission signal and sensor signal of load distribution controller, provide and interrupt making response of host, judge it whether with send signal with consistent, damage to define trouble free or load, and send cue.The sensor signal driving is outputed to instrument to be shown.Bus communication transmits signal by the time partitioning scheme, whenever has only a load distribution controller and master controller to carry out the sending and receiving communication at most.Simultaneously, CPU regularly exports the dynamic scan signal, and demonstration is provided.In addition, the CPU preceding 15 minutes information storage such as the speed of a motor vehicle of also will stopping are handled (automobile black box function) for the post analysis that has an accident in data memory.
Claims (1)
1, a kind of automobile electric bus, comprise master controller (2), input/output interface circuit (11), some load distribution controllers (9), automobile combined switch (5), speed of a motor vehicle display keyboard (3), time display plate (4) and sensor (8), speed of a motor vehicle display keyboard (3), time display plate (4) and automobile combined switch (5) are connected with the corresponding end of master controller (2) respectively; One end of load distribution controller (9) is connected by the corresponding end of bus with master controller (2), it is characterized in that: described master controller (2) constitutes by having the central processor CPU that sends and receive communicating circuit; Described sensor (8) is connected with master controller (2) by described input/output interface circuit (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420115494 CN2771040Y (en) | 2004-11-29 | 2004-11-29 | Automobile electric assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420115494 CN2771040Y (en) | 2004-11-29 | 2004-11-29 | Automobile electric assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2771040Y true CN2771040Y (en) | 2006-04-12 |
Family
ID=36704824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420115494 Expired - Fee Related CN2771040Y (en) | 2004-11-29 | 2004-11-29 | Automobile electric assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2771040Y (en) |
-
2004
- 2004-11-29 CN CN 200420115494 patent/CN2771040Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |