CN109931168A - A kind of traction engine descending speed control device - Google Patents
A kind of traction engine descending speed control device Download PDFInfo
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- CN109931168A CN109931168A CN201910033937.1A CN201910033937A CN109931168A CN 109931168 A CN109931168 A CN 109931168A CN 201910033937 A CN201910033937 A CN 201910033937A CN 109931168 A CN109931168 A CN 109931168A
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- speed
- control device
- vehicle
- traction engine
- microcontroller
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- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The invention discloses a kind of traction engine descending speed control devices, including microcontroller, speed relay and obliquity sensor, the speed signal of the microcontroller acquisition vehicle speed sensor and the dip angle signal of obliquity sensor, and regulation speed relay, speed relay are in normally open.Circuit of the present invention is simple, and equipment is small and exquisite, installs easy to connect.Since the connection relationship of the device and the original route of vehicle is parallel relationship, therefore it is not required to tear down and reconstruct haulage vehicle original route when connection；When vehicle descending, speed and descending inclination angle are more than simultaneously setting speed, automatically turn on exhaust brake, can effectively mitigate the fatigue of driver and improve the safety that transport vehicle drives；Due to improving the frequency of use of exhaust brake, the number for trampling service brake can thus be effectively reduced, to improve the service life of service braking system.
Description
Technical field
The present invention relates to a kind of traction engine descending speed control devices, belong to technical field of vehicle safety.
Background technique
Summer is the season that vehicle is easy to happen descending problem out of control, and majority is the reason is that motor vehicle braking system problem causes
's.Heavy-duty vehicle only relies on several brake rims and carries out speed control when descending, is not part nothing the matter, thus produces vehicle
Complemental brake system, such as engine braking, Retarder etc..Exhaust brake is exactly a kind of sub-controlling unit, generally
In the case of, exhaust brake butterfly valve is installed on enmgine exhaust, by closing the method for engine exhaust passage, makes to send out
Motivation piston, by the buffer brake of gas, slows down the running speed of engine and generates braking action in instroke, thus
Achieve the purpose that regulation speed.
Using exhaust brake relative to service brake, benefit is self-evident, but traction engine driver's profession drives
Horizontal irregular, for long downhill driving, many drivers more get used to conventional method, i.e., by frequently trampling service brake
Method reduce speed, prolonged down hill braking will lead to the rising of brake rim temperature, brake block overheat will appear braking and lose
Spirit, or even cause to burn, cause traffic accident.
Summary of the invention
It is an object of that present invention to provide a kind of traction engine descending speed control device, can according to speed and descending inclination angle from
Dynamic starting vehicle gas exhausting braking system.
To achieve the above object, the present invention provides a kind of traction engine descending speed control device, including microcontroller, speed
Relay and obliquity sensor, the speed signal of the microcontroller acquisition vehicle speed sensor and the inclination angle letter of obliquity sensor
Number, and regulation speed relay, speed relay are in normally open.
The present invention is horizontally mounted on car body, speed relay and vehicle gas exhausting braking switch in parallel, when microcontroller monitors
When being more than specified value to car speed and inclination angle, it is believed that overspeed of vehicle descending, regulation speed relay closure start vehicle exhaust
Braking system work.
Circuit of the present invention is simple, and equipment is small and exquisite, installs easy to connect.Since the connection of the device and the original route of vehicle is closed
System is parallel relationship, therefore is not required to tear down and reconstruct haulage vehicle original route when connection；When vehicle descending, speed and descending incline
Angle is more than simultaneously setting speed, automatically turns on exhaust brake, can effectively mitigate the fatigue of driver and improve what transport vehicle drove
Safety；Due to improving the frequency of use of exhaust brake, the number for trampling service brake can thus be effectively reduced, to mention
The service life of high service braking system.
Detailed description of the invention
Fig. 1 is electrical schematic diagram of the present invention；
Annexation figure when Fig. 2 is present invention installation.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Figure 1, a kind of traction engine descending speed control device, including microcontroller, speed relay and inclination angle pass
Sensor, the speed signal of microcontroller acquisition vehicle speed sensor and the dip angle signal of obliquity sensor, and regulation speed after
Electric appliance, speed relay are in normally open.
As shown in Fig. 2, the present invention is horizontally mounted on car body, speed relay and vehicle gas exhausting braking switch in parallel, when micro-
When monitoring control devices are more than specified value to car speed and inclination angle, it is believed that overspeed of vehicle descending, regulation speed relay closure open
The work of motor-car exhaust and brake system.
Further, the invention also includes input keyboard, the input keyboard is connected with microcontroller, limits convenient for setting speed
Value and inclination angle limit value.
Further, the invention also includes display, the display is connected with microcontroller, convenient for the speed of display setting
Limit value and inclination angle limit value.
Further, the invention also includes exhaust brake indicator lamp, the exhaust brake indicator lamp is connected with speed relay,
It works and indicates for exhaust brake circuit.It, can be with if exhaust brake indicator lamp is bright when vehicle is in normally travel state
Remind driver's exhaust and brake system failure.
Further, the invention also includes power supply indicator, the power supply indicator is described to connect microcontroller power input
End is indicated for microcontroller working power.
It further, further include manual switch (not shown), the manual switch speed relay series connection.Though when vehicle
When being so in high speed descending, but it is in urgent danger prevention state, at this time if system automatic work plays reaction, driver instead
Manual switch can be disconnected by force.
Claims (6)
1. a kind of traction engine descending speed control device, which is characterized in that sensed including microcontroller, speed relay and inclination angle
Device, the speed signal of the microcontroller acquisition vehicle speed sensor and the dip angle signal of obliquity sensor, and regulation speed relay
Device, speed relay are in normally open.
2. traction engine descending speed control device according to claim 1, which is characterized in that it further include input keyboard, institute
Input keyboard is stated to be connected with microcontroller.
3. traction engine descending speed control device according to claim 1, which is characterized in that it further include display, it is described
Display is connected with microcontroller.
4. traction engine descending speed control device according to claim 1, which is characterized in that further include exhaust brake instruction
Lamp, the exhaust brake indicator lamp are connected with speed relay.
5. traction engine descending speed control device according to claim 1, which is characterized in that it further include power supply indicator,
The power supply indicator connects microcontroller power input.
6. traction engine descending speed control device according to claim 1, which is characterized in that it further include manual switch, institute
Manual switch is stated to connect with speed relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910033937.1A CN109931168A (en) | 2019-01-15 | 2019-01-15 | A kind of traction engine descending speed control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910033937.1A CN109931168A (en) | 2019-01-15 | 2019-01-15 | A kind of traction engine descending speed control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109931168A true CN109931168A (en) | 2019-06-25 |
Family
ID=66985029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910033937.1A Pending CN109931168A (en) | 2019-01-15 | 2019-01-15 | A kind of traction engine descending speed control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109931168A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110834652A (en) * | 2019-11-29 | 2020-02-25 | 中车大连机车车辆有限公司 | Locomotive overspeed automatic unloading device, locomotive overspeed automatic unloading method and vehicle |
| CN111047909A (en) * | 2019-12-27 | 2020-04-21 | 长安大学 | Anti-collision shunting auxiliary braking system and method for long downhill section of heavy-duty vehicle |
| CN113060107A (en) * | 2021-03-02 | 2021-07-02 | 郑州郑宇重工有限公司 | Combined braking control system and method for heavy-load transport vehicle |
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| JP2003165354A (en) * | 2001-11-30 | 2003-06-10 | Bosch Automotive Systems Corp | Automatic cruise device |
| CN103318168A (en) * | 2012-03-20 | 2013-09-25 | 比亚迪股份有限公司 | Vehicle safety control system and control method thereof |
| CN203486087U (en) * | 2013-09-12 | 2014-03-19 | 天津市三枪电动车有限公司 | Electric vehicle downhill speed limiting system |
| CN105857292A (en) * | 2016-04-11 | 2016-08-17 | 中国重汽集团济南动力有限公司 | Downhill constant-speed control system for heavy-duty automobile |
| CN210003393U (en) * | 2019-01-15 | 2020-01-31 | 中国人民解放军陆军工程大学 | Downhill speed control device for heavy-duty vehicle |
-
2019
- 2019-01-15 CN CN201910033937.1A patent/CN109931168A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003165354A (en) * | 2001-11-30 | 2003-06-10 | Bosch Automotive Systems Corp | Automatic cruise device |
| CN103318168A (en) * | 2012-03-20 | 2013-09-25 | 比亚迪股份有限公司 | Vehicle safety control system and control method thereof |
| CN203486087U (en) * | 2013-09-12 | 2014-03-19 | 天津市三枪电动车有限公司 | Electric vehicle downhill speed limiting system |
| CN105857292A (en) * | 2016-04-11 | 2016-08-17 | 中国重汽集团济南动力有限公司 | Downhill constant-speed control system for heavy-duty automobile |
| CN210003393U (en) * | 2019-01-15 | 2020-01-31 | 中国人民解放军陆军工程大学 | Downhill speed control device for heavy-duty vehicle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110834652A (en) * | 2019-11-29 | 2020-02-25 | 中车大连机车车辆有限公司 | Locomotive overspeed automatic unloading device, locomotive overspeed automatic unloading method and vehicle |
| CN111047909A (en) * | 2019-12-27 | 2020-04-21 | 长安大学 | Anti-collision shunting auxiliary braking system and method for long downhill section of heavy-duty vehicle |
| CN111047909B (en) * | 2019-12-27 | 2021-05-04 | 长安大学 | Anti-collision shunting auxiliary braking system and method for long downhill section of heavy-duty vehicle |
| CN113060107A (en) * | 2021-03-02 | 2021-07-02 | 郑州郑宇重工有限公司 | Combined braking control system and method for heavy-load transport vehicle |
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| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190625 |