Control system of automobile power takeoff
A technology for control systems and power take-offs, applied in control devices, vehicle components, auxiliary drive devices, etc., can solve problems such as vehicle driving resistance, gearbox hardware damage, hidden safety hazards, etc., and achieve the effect of avoiding safety accidents
Active Publication Date: 2020-10-30
SAIC MAGNETI MARELLI POWERTRAIN
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- Claims
- Application Information
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Problems solved by technology
[0003] In the prior art, since the start and stop of the power take-off is directly operated by the driver manually, the safety check is not carried out, which brings great potential safety hazards
For example, during high-speed driving, if the driver touches the start-stop switch by mistake, the gear of the power take-off will be directly engaged, which will generate huge resistance to the driving of the car. Engaging gears while cut off causes transmission hardware damage
Method used
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[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0022] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.
[0024] The present invention includes a control system of an automobile power take-off, including a gearbox and ...
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The invention relates to the technical field of automobile power takeoff, in particular to a control system of the automobile power takeoff. The control system comprises a gearbox and a power takeoff,the power takeoff comprises a start-stop switch, a control valve and an actuating mechanism, the input end of the control valve is connected with the start-stop switch and the output end of the gearbox, and the output end of the control valve is connected with the actuating mechanism; and the control system also comprises a safety verification mechanism which is connected with the start-stop switch, and the safety verification mechanism is used for controlling start and stop of the control valve. According to the technical scheme, the control system of the automobile power takeoff has the following advantages or beneficial effects that safety verification can be conducted before the power takeoff is started so that it is guaranteed that the power takeoff is started under the safety condition, and safety accidents caused by mistaken starting of the power takeoff are avoided.
Description
technical field [0001] The invention relates to the technical field of control of automobile power take-offs, in particular to a control system of automobile power take-offs. Background technique [0002] In trucks, there are usually other additional functional requirements, such as sprinkling of sprinklers, traction of wreckers, etc., dump trucks, fire trucks, cement mixers, refrigeration and other special vehicles that require additional power. Obtained through a power take-off. The power take-off is an additional device installed on the outside of the gearbox (the power take-off of the cement mixer is on the clutch housing), and it needs to take power from the traditional powertrain mechanism, such as obtaining power from a certain gear of the gearbox , the power on or off is controlled by a solenoid valve in the cab of the car. [0003] In the prior art, since the power take-off is started and stopped by the driver directly manually operating the start and stop switch,...
Claims
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IPC IPC(8): B60K25/06
CPCB60K25/06
Inventor 胥文祥
Owner SAIC MAGNETI MARELLI POWERTRAIN