Concrete mixer truck control system, method, device and concrete mixer truck
A concrete mixer truck and control system technology, applied in concrete transportation, signal devices, etc., can solve problems such as troublesome operation and failure to achieve energy-saving effects, and achieve the effect of improving energy-saving performance
Active Publication Date: 2017-10-24
ZOOMLION HEAVY IND CO LTD
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Problems solved by technology
[0012] However, the control system of the above-mentioned concrete mixer truck is cumbersome to operate when it is working, and it cannot achieve a good energy-saving effect.
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[0061] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.
[0062] Such as figure 2 as shown, figure 2 It is a schematic structural diagram of the control system of the concrete mixer truck provided by the embodiment of the present invention. The present invention firstly provides a control system of the concrete mixer truck. The control system includes:
[0063] A plurality of collection devices 1 are used to collect signals of concrete mixer trucks, and the collected signals at least include: vehicle speed signals, hydraulic pump 4 differential pressure signals, and engine load rates;
[0064] The controller 2, which is signal-connected with multiple acquisition devices, is used to judge the current...
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The invention discloses a control system, method and device of a concrete mixer truck and the concrete mixer truck, which are used for improving the energy-saving performance of the concrete mixer truck. The control system includes multiple acquisition devices for collecting signals of the concrete mixer truck; the controller is used for judging the current working condition of the concrete mixer truck according to the received vehicle speed signal and the differential pressure signal of the hydraulic pump, and according to the determined working condition The corresponding control signal is output, and it is also used to store the universal characteristic curve of the engine corresponding to the load driving condition and the no-load driving condition respectively. When the concrete mixer truck is in the load driving condition or the no-load driving condition, the received When the engine load rate is not within the set fuel economy range, adjust the displacement of the hydraulic pump to adjust the mixing speed of the concrete mixer truck, so that the received engine load rate can be adjusted in real time and be in the engine universal corresponding to the current working condition Economy zone of the characteristic curve.
Description
technical field [0001] The invention relates to the technical field of engineering machinery, in particular to a control system, method and device of a concrete mixer truck and the concrete mixer truck. Background technique [0002] Concrete mixer trucks are playing an increasingly important role in engineering construction. With the continuous progress of society, people have higher and higher requirements for the energy-saving performance of concrete mixer trucks. [0003] Such as figure 1 as shown, figure 1 It is a schematic diagram of the control system structure of the concrete mixer truck in the prior art. The chassis engine 01 of the concrete mixer truck provides power output for the chassis running and top loading mixing at the same time. The mixer truck walks. The bodywork stirring part respectively drives the stirring drum 034 through the hydraulic pump 031, the hydraulic motor 032, and the reducer 033 for stirring. Stirring speed is determined by engine speed ...
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IPC IPC(8): B60P3/16B60Q9/00
Inventor 吴亮万梁陈祺王佳茜
Owner ZOOMLION HEAVY IND CO LTD