CN206579552U - A kind of speed display device for automobile tail - Google Patents
A kind of speed display device for automobile tail Download PDFInfo
- Publication number
- CN206579552U CN206579552U CN201720316500.5U CN201720316500U CN206579552U CN 206579552 U CN206579552 U CN 206579552U CN 201720316500 U CN201720316500 U CN 201720316500U CN 206579552 U CN206579552 U CN 206579552U
- Authority
- CN
- China
- Prior art keywords
- module
- voltage conversion
- automobile tail
- main processor
- processor modules
- 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
Links
Abstract
The utility model discloses a kind of speed display device for automobile tail, including main processor modules；The main processor modules peripheral data read module, display module and power management module；The data read module connects automobile computer OBD FPDPs using CAN transceiver TJA1040T CANH, CANL port, and port CAN_TXD, CAN_RXD of the CAN transceiver TJA1040T connect the main processor modules, the power management module connects automobile computer OBD voltage output ends, and is used as voltage conversion device using voltage conversion chip SX2016, voltage conversion chip HT7550, voltage conversion chip AP2121；And the display module is placed in automobile tail.The utility model is shown in current travel speed on tailstock portion display, and rear car is known that the travel speed of front truck, and then makes corresponding deceleration or acceleration scheme, reaches the beneficial effect cutd down traffic accidents.
Description
Technical field
The utility model is related to a kind of speed display device for vehicle device, refers in particular to a kind of speed for automobile tail and shows
Showing device.
Background technology
With the continuous improvement of people's living standards, automobile has become trip essential in people's life, transport
The vehicles, so safety is the problem of people pay close attention to the most.On the urban road or highway of our car traveling, warp
Generation traffic accident that often can be passive, we do not touch others, but others touches us.Trace it to its cause is exactly that others does not know us
Speed be how many.So being badly in need of a kind of velocity indicator that rear car can be allowed to see front truck.
Utility model content
In view of the above-mentioned problems of the prior art, the purpose of this utility model is to provide and a kind of new is used for car tail
The speed display device in portion, the utility model is shown in current travel speed on tailstock portion display, before rear car is known that
The travel speed of car, and then corresponding deceleration or acceleration scheme are made, reach the beneficial effect cutd down traffic accidents.
To achieve these goals, this is used for the speed display device of automobile tail, it is characterised in that including primary processor
Module；The main processor modules peripheral data read module, display module and power management module；The data read module
Automobile computer OBD FPDPs, and the CAN transceiver are connected using CAN transceiver TJA1040T CANH, CANL port
TJA1040T port CAN_TXD, CAN_RXD connects the main processor modules, the power management module connection automobile electricity
Brain OBD voltage output ends, and using voltage conversion chip SX2016, voltage conversion chip HT7550, voltage conversion chip
AP2121 is used as voltage conversion device；The display module is placed in automobile tail.
Further, the main processor modules use single-chip microcomputer STM32F103C8T6, and the single-chip microcomputer
STM32F103C8T6 includes its minimum system.
It is used as of the present utility model preferred, the power management module also peripheral hardware voltage comparator LM293.
Further, the display module uses one kind of digital display tube or light-emitting diode display, and sets driving chip
SM6016 connections light digital display tube.
As of the present utility model preferred, alarm module, and the alarm module are also set up outside the main processor modules
Using buzzer SUN-12095-5 connection main processor modules.
As it is of the present utility model preferably, for the low side vehicle without automobile computer, the data read module may be used also
To be tested the speed using GPS module, the GPS module connects the main processor modules by serial ports and reads vehicle speed data.
Compared with prior art, the beneficial effects of the utility model are as follows：
The utility model is shown in current travel speed on tailstock portion display, and rear car is known that the traveling speed of front truck
Degree, and then corresponding deceleration or acceleration scheme are made, reach the beneficial effect cutd down traffic accidents.
Brief description of the drawings
Fig. 1 is circuit module schematic diagram of the present utility model；
Fig. 2 is main processor modules circuit theory diagrams of the present utility model；
Fig. 3 is data read module circuit theory diagrams of the present utility model；
Fig. 4 is display module circuit theory diagrams of the present utility model；
Fig. 5 is power management module circuit theory diagrams of the present utility model；
Fig. 6 is voltage comparator LM293 circuit theory diagrams of the present utility model；
Fig. 7 is alarm module circuitry schematic diagram of the present utility model.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
As shown in figure 1, this is used for the speed display device of automobile tail, it is characterised in that including main processor modules；Institute
State main processor modules peripheral data read module, display module and power management module；The data read module uses CAN
Transceiver TJA1040T CANH, CANL port connection automobile computer OBD FPDPs, and the CAN transceiver TJA1040T
Port CAN_TXD, CAN_RXD connect the main processor modules, the power management module connects automobile computer OBD voltages
Output end, and voltage is used as using voltage conversion chip SX2016, voltage conversion chip HT7550, voltage conversion chip AP2121
Switching device；The display module is placed in automobile tail, and the speed numerical digit that can be shown as needed sets multiple described luminous
Digital display tube.
Further, the main processor modules use single-chip microcomputer STM32F103C8T6, and the single-chip microcomputer
STM32F103C8T6 includes its minimum system.
As it is of the present utility model preferably, the power management module also peripheral hardware voltage comparator LM293, as voltage stabilizing and
Prevent the safety means of electric current backflow.
As of the present utility model preferred, alarm module, and the alarm module are also set up outside the main processor modules
Using buzzer SUN-12095-5 connection main processor modules.
Further, the display module uses one kind of digital display tube or light-emitting diode display, and sets driving chip
SM6016 connections light digital display tube.
As it is of the present utility model preferably, the data read module can also be tested the speed using GPS module, the GPS moulds
Block connects the main processor modules by serial ports and reads vehicle speed data.
Implementation steps of the present utility model are as follows：
By CANH, CANL port connection vehicle-mounted computer OBD of CAN transceiver TJA1040T data output end, read
Take and main processor modules are sent into after vehicle speed data, the main process task implements speed to show by being placed in the display apparatus module of the tailstock
Out.
Claims (5)
1. a kind of speed display device for automobile tail, it is characterised in that including main processor modules；The primary processor
Module peripheral data read module, display module and power management module；The data read module uses CAN transceiver
TJA1040T CANH, CANL port connection automobile computer OBD FPDPs, and the port of the CAN transceiver TJA1040T
CAN_TXD, CAN_RXD connect the main processor modules, and the power management module connects automobile computer OBD voltage outputs
End, and voltage conversion is used as using voltage conversion chip SX2016, voltage conversion chip HT7550, voltage conversion chip AP2121
Device；The display module is placed in automobile tail.
2. a kind of speed display device for automobile tail according to claim 1, it is characterised in that the main process task
Device module uses single-chip microcomputer STM32F103C8T6, and the single-chip microcomputer STM32F103C8T6 includes its minimum system.
3. a kind of speed display device for automobile tail according to claim 1, it is characterised in that the power supply pipe
Manage module also peripheral hardware voltage comparator LM293.
4. a kind of speed display device for automobile tail according to claim 1, it is characterised in that the display mould
Block uses one kind of digital display tube or light-emitting diode display, and sets the luminous digital display tube of driving chip SM6016 connections.
5. a kind of speed display device for automobile tail according to claim 1, it is characterised in that the main process task
Alarm module is also set up outside device module, and the alarm module uses buzzer SUN-12095-5 connection main processor modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720316500.5U CN206579552U (en) | 2017-03-29 | 2017-03-29 | A kind of speed display device for automobile tail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720316500.5U CN206579552U (en) | 2017-03-29 | 2017-03-29 | A kind of speed display device for automobile tail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206579552U true CN206579552U (en) | 2017-10-24 |
Family
ID=60114243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720316500.5U Expired - Fee Related CN206579552U (en) | 2017-03-29 | 2017-03-29 | A kind of speed display device for automobile tail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206579552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509363A (en) * | 2018-11-21 | 2019-03-22 | 招银云创（深圳）信息技术有限公司 | Running information suggestion device |
-
2017
- 2017-03-29 CN CN201720316500.5U patent/CN206579552U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509363A (en) * | 2018-11-21 | 2019-03-22 | 招银云创（深圳）信息技术有限公司 | Running information suggestion device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207601622U (en) | A kind of pure electric automobile intelligent network joins IVCU control systems | |
| CN209079562U (en) | A kind of direct-type automobile tire pressure monitoring system | |
| CN206579552U (en) | A kind of speed display device for automobile tail | |
| CN204360568U (en) | A kind of continuous uphill way of highway passenger-cargo shunting caution system | |
| CN106627438A (en) | New energy automobile vehicle controller connection structure | |
| CN205486858U (en) | Car anticollision safety protection system | |
| CN105262657B (en) | Intelligent automobile network real time communication device and its communication means | |
| CN203681382U (en) | Energy recovery indicating circuit | |
| CN203376790U (en) | Vehicle data acquiring and sending device | |
| CN206133947U (en) | Intelligent warning system that gives way of parkking of intersection | |
| CN205992291U (en) | A kind of license plate recognition device based on FPGA | |
| CN207579735U (en) | A kind of vehicle security drive intelligent prompt device | |
| CN203093632U (en) | Tyre temperature monitoring system under vehicle travelling state | |
| CN205220499U (en) | On -vehicle LED display screen of intelligence based on OBD interface | |
| CN205959421U (en) | Traffic light suggestion device | |
| CN207207887U (en) | A kind of vehicle induction type vehicle anti-rear collision equipment | |
| CN202939472U (en) | Distributed vehicle-mounted perception and vehicle-mounted communication device based on controller area network (CAN) bus | |
| CN208101895U (en) | A kind of automobile-used dual chip intelligent network connection IVCU controller | |
| CN207937578U (en) | A kind of shared automobile power warning device | |
| CN206058536U (en) | A kind of intelligent bus inquiry system positioned based on the Big Dipper | |
| CN207149068U (en) | Control system between vehicle based on zigbee | |
| CN201444151U (en) | Alcohol detector based on commercial vehicle unit and CAN bus device | |
| CN205970909U (en) | Electric automobile charged state intelligent display system | |
| CN105118309A (en) | Traffic signal light control system and traffic control method | |
| CN218675717U (en) | Electric motorcycle car control circuit based on thing networking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171024 Termination date: 20210329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |