CN105269685A - Electronic control system for mixing drum of mixing truck - Google Patents
Electronic control system for mixing drum of mixing truck Download PDFInfo
- Publication number
- CN105269685A CN105269685A CN201510825679.2A CN201510825679A CN105269685A CN 105269685 A CN105269685 A CN 105269685A CN 201510825679 A CN201510825679 A CN 201510825679A CN 105269685 A CN105269685 A CN 105269685A
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- CN
- China
- Prior art keywords
- operating mechanism
- electronic control
- oil pump
- mixing drum
- control module
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C5/4203—Details; Accessories
- B28C5/4206—Control apparatus; Drive systems, e.g. coupled to the vehicle drive-system
- B28C5/422—Controlling or measuring devices
Abstract
The invention belongs to the field of control over mixing trucks and provides an electronic control system for a mixing drum of a mixing truck. The electronic control system for the mixing drum of the mixing truck comprises an indoor control mechanism (1), an outdoor control mechanism (2), an electronic control module (3) and a mechanical fuel pump actuator (4). The indoor control mechanism (1) and the outdoor control mechanism (2) are the same in structure and are each composed of a knob potentiometer, an emergency button and a control panel. The mechanical fuel pump actuator (4) is electrically connected with the electronic control module (3) and connected with a swing arm of a mechanical fuel pump, and a potentiometer installed on the mechanical fuel pump actuator feeds opening signals of the fuel pump back to the electronic control module (3). The electronic control module (3) outputs throttle signals to the signal input end of an engine throttle through a DA converter. The electronic control system can meet control requirements of different occasions, and has the beneficial effects of being easy to arrange and operate, convenient to install and low in labor intensity.
Description
Technical field
The invention belongs to trucd mixer control field, be specifically related to a kind of trucd mixer mixing drum electronic control system.
Background technology
Concrete mixer truck is concrete prevailing traffic and stirring tool in building trade, and at present, the trucd mixer mixing drum control mode on market is mainly divided into controlled oil pump type and machinery oil pump type.Controlled oil pump type stirs vehicle and is mainly external imported vehicle, and equipment cost is high, maintenance difficult; Machinery oil pump type adopts mechanical stiff rod structure or flexible shaft controller structure to control mostly, complex structure, installation, layout difficulty, and operates heavy, and long-time operation easily causes human pilot driving fatigue thus causes security incident.In addition, when needs mixing drum high-speed rotation, the very little and operational circumstances that is greater engine throttle always of mechanical oil pump aperture may be there is, so can cause a large amount of fuel oil wastes and environmental pollution.
Summary of the invention
In view of problem existing in above-mentioned prior art, the object of the invention is to propose a kind of trucd mixer mixing drum electronic control system.
The present invention adopts following technical scheme for completing above-mentioned purpose:
A kind of trucd mixer mixing drum electronic control system, described electronic control system includes indoor operating mechanism, outdoor operating mechanism, electronic control module and mechanical oil pump actuator, described indoor operating mechanism is identical with described outdoor operating mechanism structure, forms by turn knob potentiometer, danger button and control panel, described control panel is divided into mixing drum control area and engine throttle control area, the corresponding engine throttle control area of electric corner of described turn knob potentiometer and mixing drum control area are arranged, and the turn knob potentiometer of described indoor operating mechanism, the turn knob potentiometer of described outdoor operating mechanism are all electrically connected with described electronic control module
,formed between the turn knob potentiometer of indoor operating mechanism and the turn knob potentiometer of indoor operating mechanism and interlock, described electronic control module exports the signal controlling mixing drum work and the signal controlling engine throttle opening, wherein the signal of mixing drum work is the voltage analog signal of 1.25V ~ 3.75V, engine throttle opening signal is according to different working regions, for the voltage analog signal of 0V ~ 1.25V or 3.75V ~ 5V, first turn knob potentiometer rotates in mixing drum control area in operation, and exports mixing drum working signal to electronic control module, turn knob potentiometer rotates to engine throttle region, exports the signal of the dynamic machine accelerator open degree of control to electronic control module, the danger button of indoor operating mechanism, the danger button of outdoor operating mechanism is all electrically connected with described electronic control module, and between the turn knob potentiometer of the danger button of indoor operating mechanism and outdoor operating mechanism, between the danger button of indoor operating mechanism and the turn knob potentiometer of indoor operating mechanism, between the danger button of outdoor operating mechanism and the turn knob potentiometer of outdoor operating mechanism, interlocking is formed respectively between the danger button of outdoor operating mechanism and the turn knob potentiometer of indoor operating mechanism, for when being in an emergency, press arbitrary danger button of indoor operating mechanism or outdoor operating mechanism, mixing drum is stopped operating, prevent unexpected generation, described mechanical oil pump actuator is electrically connected with described electronic control module, mechanical oil pump actuator is exported to by receiving the signal controlling mixing drum work, described mechanical oil pump actuator is connected with the rocking arm of mechanical oil pump, mechanical oil pump actuator controls the anglec of rotation of mechanical fuel pump rocker arm by the voltage analog signal of the mixing drum work of received 1.25V ~ 3.75V and direction regulates mechanical oil pump aperture size and direction, thus control speed and the direction of mixing drum rotation, and feed back by being installed on the opening amount signal of the potentiometer on mechanical oil pump actuator to oil pump, feedback signal turns back to electronic control module, electronic control module exports throttle signal to engine throttle signal input part by D/A converter, by regulating the size of electronic control module D/A converter output valve, can engine speed be changed, thus change the velocity of rotation of mixing drum, thus improve or reduce charging and discharging speed.
Described electronic control module includes indoor operating mechanism interface circuit, outdoor operating mechanism interface circuit, CPU, throttle signal output circuit, oil pump actuator driven circuit and oil pump feedback signal processing circuit; Described CPU is connected with throttle feedback signal processing circuit with indoor operating mechanism interface circuit, outdoor operating mechanism interface circuit, throttle signal output circuit, oil pump actuator driven circuit respectively; Described indoor operating mechanism interface circuit connects described indoor operating mechanism; Described outdoor operating mechanism interface circuit connects described outdoor operating mechanism; Described throttle signal output circuit connecting engine throttle signal; Described oil pump actuator driven circuit connects described mechanical oil pump actuator; Described oil pump open degree feedback signal processing circuit is connected and installed in the potentiometer on mechanical oil pump actuator.
The described throttle signal output circuit of electronic control module adopts the DA way of output.
Mixing drum control area described on control panel be provided with stirrings, in stop, discharging mark, respectively corresponding and trucd mixer stirring, in stop, discharging state.
Described control panel is also provided with emergent stopping mark, the emergent stopping duty of correspondence and trucd mixer.
Described mechanical oil pump actuator adopts stepper motor in conjunction with the structure of worm reducer.
A kind of trucd mixer mixing drum electronic control system that the present invention proposes, turn knob potentiometer is adopted to mix a control area and the internal conversion of engine throttle control area, only have mechanical oil pump aperture to reach most great talent to allow to regulate throttle to change mixing drum velocity of rotation, saved fuel oil, decreased pollution; Operating mechanism adopts indoor and outdoors two to overlap operating mechanism, can meet the demand for control of different occasion; Danger button is set, prevents contingency from occurring, and have the advantages that layout is simple, simple to operate, easy for installation, labour intensity is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1, indoor operating mechanism, 2, outdoor operating mechanism, 3, electronic control module, 4, mechanical oil pump actuator, 5, in-house operation actuator interface circuit, 6, outdoor operating mechanism interface circuit, 7, CPU, 8, throttle signal output circuit, 9, oil pump actuator driven circuit, 10, oil pump feedback signal processing circuit, 11, potentiometer.
Detailed description of the invention
With specific embodiment, the present invention is illustrated by reference to the accompanying drawings:
As shown in Figure 1, a kind of trucd mixer mixing drum electronic control system, described electronic control system includes indoor operating mechanism 1, outdoor operating mechanism 2, electronic control module 3 and mechanical oil pump actuator 1, described indoor operating mechanism 1 is identical with described outdoor operating mechanism 2 structure, forms by turn knob potentiometer, locking press button and control panel, the anglec of rotation of described turn knob potentiometer is 300 °, described locking press button band led indicator lamp, described control panel is divided into mixing drum control area and engine throttle control area, the corresponding engine throttle control area of electric corner of described turn knob potentiometer and mixing drum control area are arranged, and turn knob potentiometer clockwise (or counterclockwise) rotates beyond stirring (or discharging) mark and then enters throttle signal region, adjustment engine speed, the turn knob potentiometer of described indoor operating mechanism 1, the turn knob potentiometer of described outdoor operating mechanism 2 are all electrically connected with described electronic control module 3
,formed between the turn knob potentiometer of indoor operating mechanism 1 and the turn knob potentiometer of indoor operating mechanism and interlock, described electronic control module exports the signal controlling mixing drum work and the signal controlling engine throttle opening, wherein the signal of mixing drum work is the voltage analog signal of 1.25V ~ 3.75V, engine throttle opening signal is according to different working regions, for the voltage analog signal of 0V ~ 1.25V or 3.75V ~ 5V, first turn knob potentiometer rotates in mixing drum control area in operation, and exports mixing drum working signal to electronic control module, turn knob potentiometer rotates to engine throttle region, exports the signal of the dynamic machine accelerator open degree of control to electronic control module, the danger button of indoor operating mechanism 1, the danger button of outdoor operating mechanism 2 is all electrically connected with described electronic control module 3, and between the danger button of indoor operating mechanism 1 and the turn knob potentiometer of outdoor operating mechanism 2, between the danger button of indoor operating mechanism 1 and the turn knob potentiometer of indoor operating mechanism 1, between the danger button of outdoor operating mechanism 2 and the turn knob potentiometer of outdoor operating mechanism 2, interlocking is formed respectively between the danger button of outdoor operating mechanism 2 and the turn knob potentiometer of indoor operating mechanism 1, for when being in an emergency, press arbitrary danger button of indoor operating mechanism or outdoor operating mechanism, mixing drum is stopped operating, prevent unexpected generation, described mechanical oil pump actuator 4 is connected with described electronic control module electricity 3, mechanical oil pump actuator 4 is exported to by receiving the signal controlling mixing drum work, described mechanical oil pump actuator 4 is connected with the rocking arm of mechanical oil pump, mechanical oil pump actuator controls the anglec of rotation of mechanical fuel pump rocker arm by the voltage analog signal of the mixing drum work of received 1.25V ~ 3.75V and direction regulates mechanical oil pump aperture size and direction, thus control speed and the direction of mixing drum rotation, and feed back by being installed on the opening amount signal of the potentiometer on mechanical oil pump actuator to oil pump, feedback signal turns back to electronic control module, electronic control module exports throttle signal to engine throttle signal input part by D/A converter, by regulating the size of electronic control module D/A converter output valve, can engine speed be changed, thus change the velocity of rotation of mixing drum, thus improve or reduce charging and discharging speed.
Described electronic control module includes indoor operating mechanism interface circuit 5, outdoor operating mechanism interface circuit 6, CPU 7, throttle signal output circuit 8, oil pump actuator driven circuit 9 and oil pump feedback signal processing circuit 10; Described CPU 7 is connected with throttle feedback signal processing circuit 10 with indoor operating mechanism interface circuit 5, outdoor operating mechanism interface circuit 6, throttle signal output circuit 8, oil pump actuator driven circuit 9 respectively; Described indoor operating mechanism interface circuit 5 connects described indoor operating mechanism 1; Described outdoor operating mechanism interface circuit 6 connects described outdoor operating mechanism 2; Described throttle signal output circuit 8 connecting engine throttle signal; Described oil pump actuator driven circuit 9 connects described mechanical oil pump actuator 4; Described oil pump open degree feedback signal processing circuit 10 is connected and installed in the potentiometer 11 on mechanical oil pump actuator.
The described throttle signal output circuit 8 of electronic control module adopts the DA way of output.
Mixing drum control area described on control panel be provided with stirrings, in stop, discharging mark, respectively corresponding and trucd mixer stirring, in stop, discharging state.
Described control panel is also provided with emergent stopping mark, the emergent stopping duty of correspondence and trucd mixer.
Described mechanical oil pump actuator 4 adopts stepper motor in conjunction with the structure of worm reducer, adopts stepper motor associating worm reducer to drive rocking arm to drive the mode of trucd mixer mechanical oil pump rocking arm interlock to regulate trucd mixer oil pump aperture and direction; Stepper motor adopts 57 type two-phase hybrid stepping motors, step angle 1.8 °, One-step error 3% ~ 5% and error do not accumulate; Worm reducer adopts NMRV worm reducer, and the specialities such as lightweight, intensity is superior, exquisite appearance, and heat dispersion is high, long service life, action noiselessness are convenient and simple for connection with motor.
Described CPU 7 uses the technical grade 16 position digital signal controller of Microchip company of the U.S., and adopt CMOS technology technology, operating voltage range is wide to 2.5V ~ 5.5V; Throttle signal output circuit adopts Maxim company to produce, and 8 D/A conversion chips of two-wire serial interface, adopt single 5V to power, and have two-way 8 analog output mouths, exports two-way common rail engine oil gate signal; Oil pump actuator driven circuit adopts high-power, the high segmentation two-phase hybrid stepping motor driving chip of Toshiba Corp, the highest withstand voltage 50VDC, maximum current 4.5A, has multiple segmentation pattern available simultaneously, effectively solves stepper motor Vibration on Start-up and low-frequency operation vibration problem.
When the present invention uses, operating mechanism 1 and outdoor operating mechanism 2 command signal in described electronic control module 3 receiving chamber, and judge that the output instruction signal of which operating mechanism is state of activation, after internal analysis, process, send instruction control mechanical oil pump actuator 4 and regulate oil pump aperture and direction, thus realize the rotating forward of trucd mixer mixing drum, reversion, in stop and velocity of rotation controls, the charging of corresponding trucd mixer, discharging, in stop function; Mechanical oil pump actuator 4 feeds back oil pump opening amount signal to electronic control module 3 for revising the execution of mechanical oil pump actuator 4 by potentiometer simultaneously; The maximum of corresponding oil pump aperture operating mechanism (indoor and outdoors) turn knob potentiometer is manipulated to extreme position during in mixing drum control area, now continue to handle turn knob potentiometer and enter engine throttle control area, export different magnitudes of voltage by DA and can change engine speed, thus change the velocity of rotation of mixing drum, thus improve or reduce charging and discharging speed.
Described indoor operating mechanism 1 and outdoor operating mechanism 2 only allow the turn knob potentiometer of an operating mechanism not put at middle off-position at one time, otherwise the default operating mechanism that turn knob potentiometer is not put at middle off-position is at first state of activation, and another operating mechanism is masked state; The emergency stop push button of indoor operating mechanism 1 and outdoor operating mechanism 2 has the highest manipulation priority, is whichsoever pressed, shields current turn knob potentiometer signal.
Claims (2)
1. a trucd mixer mixing drum electronic control system, is characterized in that: described electronic control system includes indoor operating mechanism (1), outdoor operating mechanism (2), electronic control module (3) and mechanical oil pump actuator (4), described indoor operating mechanism (1) is identical with described outdoor operating mechanism (2) structure, forms by turn knob potentiometer, danger button and control panel, described control panel is divided into mixing drum control area and engine throttle control area, the corresponding engine throttle control area of electric corner of described turn knob potentiometer and mixing drum control area are arranged, and the turn knob potentiometer of described indoor operating mechanism, the turn knob potentiometer of described outdoor operating mechanism are all electrically connected with described electronic control module, formed between the turn knob potentiometer of indoor operating mechanism (1) and the turn knob potentiometer of outdoor operating mechanism (2) and interlock, described electronic control module (3) exports the signal controlling mixing drum work and the signal controlling engine throttle opening, wherein the signal of mixing drum work is the voltage analog signal of 1.25V ~ 3.75V, engine throttle opening signal is according to different working regions, for the voltage analog signal of 0V ~ 1.25V or 3.75V ~ 5V, first turn knob potentiometer rotates in mixing drum control area in operation, and exports mixing drum working signal to electronic control module (3), turn knob potentiometer rotates to engine throttle region, exports the signal of the dynamic machine accelerator open degree of control to electronic control module (3), the danger button of indoor operating mechanism, the danger button of outdoor operating mechanism is all electrically connected with described electronic control module (3), and between the turn knob potentiometer of the danger button of indoor operating mechanism and outdoor operating mechanism, between the danger button of indoor operating mechanism and the turn knob potentiometer of indoor operating mechanism, between the danger button of outdoor operating mechanism and the turn knob potentiometer of outdoor operating mechanism, interlocking is formed respectively between the danger button of outdoor operating mechanism and the turn knob potentiometer of indoor operating mechanism, for when being in an emergency, press arbitrary danger button of indoor operating mechanism or outdoor operating mechanism, mixing drum is stopped operating, prevent unexpected generation, described mechanical oil pump actuator (4) is electrically connected with described electronic control module (3), mechanical oil pump actuator (4) is exported to by receiving the signal controlling mixing drum work, described mechanical oil pump actuator (4) is connected with the rocking arm of mechanical oil pump, mechanical oil pump actuator (4) controls the anglec of rotation of mechanical fuel pump rocker arm by the voltage analog signal of the mixing drum work of received 1.25V ~ 3.75V and direction regulates mechanical oil pump aperture size and direction, thus control speed and the direction of mixing drum rotation, and feed back by being installed on the opening amount signal of the potentiometer on mechanical oil pump actuator to oil pump, feedback signal turns back to electronic control module (3), electronic control module (3) exports throttle signal to engine throttle signal input part by D/A converter, by regulating the size of electronic control module D/A converter output valve, can engine speed be changed, thus change the velocity of rotation of mixing drum, thus improve or reduce charging and discharging speed.
2. a kind of trucd mixer mixing drum electronic control system as claimed in claim 1, is characterized in that: described electronic control module (3) includes indoor operating mechanism interface circuit (5), outdoor operating mechanism interface circuit (6), CPU (7), throttle signal output circuit (8), oil pump actuator driven circuit (9) and oil pump feedback signal processing circuit (10); Described CPU (7) is connected with throttle feedback signal processing circuit (10) with indoor operating mechanism interface circuit (5), outdoor operating mechanism interface circuit (6), throttle signal output circuit (8), oil pump actuator driven circuit (9) respectively; Described indoor operating mechanism interface circuit (5) connects described indoor operating mechanism (1); Described outdoor operating mechanism interface circuit (6) connects described outdoor operating mechanism (2); Described throttle signal output circuit (8) connecting engine throttle signal; Described oil pump actuator driven circuit (9) connects described mechanical oil pump actuator (4); Described oil pump open degree feedback signal processing circuit (10) is connected and installed in the potentiometer on mechanical oil pump actuator (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510825679.2A CN105269685A (en) | 2015-11-25 | 2015-11-25 | Electronic control system for mixing drum of mixing truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510825679.2A CN105269685A (en) | 2015-11-25 | 2015-11-25 | Electronic control system for mixing drum of mixing truck |
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| Publication Number | Publication Date |
|---|---|
| CN105269685A true CN105269685A (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510825679.2A Pending CN105269685A (en) | 2015-11-25 | 2015-11-25 | Electronic control system for mixing drum of mixing truck |
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| CN (1) | CN105269685A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791390A (en) * | 2016-09-05 | 2018-03-13 | 湖北汇合专用汽车有限公司 | Trucd mixer wireless feed-discharge remote device |
| CN114683410A (en) * | 2020-12-28 | 2022-07-01 | 河北雷萨重型工程机械有限责任公司 | Mixer truck control device, mixer truck and mixer truck control method |
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| CN101450511A (en) * | 2007-12-03 | 2009-06-10 | 福田雷沃重机股份有限公司 | Stirring transfer car and stirring drum control device |
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| CN202556585U (en) * | 2012-05-05 | 2012-11-28 | 湖北江山专用汽车有限公司 | Electric control manipulation device for concrete mixing and transporting truck |
| GB2496294A (en) * | 2011-10-28 | 2013-05-08 | Brinsley Mcfarlane | System monitoring rotational direction of mixing drum mounted on a vehicle |
| CN205325990U (en) * | 2015-11-25 | 2016-06-22 | 洛阳市黄河软轴控制器股份有限公司 | Trucd mixer churn electronic control system |
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2015
- 2015-11-25 CN CN201510825679.2A patent/CN105269685A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080004777A1 (en) * | 2006-06-29 | 2008-01-03 | Oshkosh Truck Corporation | Wireless control system |
| CN101450511A (en) * | 2007-12-03 | 2009-06-10 | 福田雷沃重机股份有限公司 | Stirring transfer car and stirring drum control device |
| CN101642939A (en) * | 2009-09-11 | 2010-02-10 | 三一重工股份有限公司 | Constant speed control device of mixer truck, mixer truck and method for controlling constant rotating speed of mixing drum |
| CN101890759A (en) * | 2010-07-22 | 2010-11-24 | 三一重工股份有限公司 | Mixer truck and mixing drum control system thereof |
| GB2496294A (en) * | 2011-10-28 | 2013-05-08 | Brinsley Mcfarlane | System monitoring rotational direction of mixing drum mounted on a vehicle |
| CN202556585U (en) * | 2012-05-05 | 2012-11-28 | 湖北江山专用汽车有限公司 | Electric control manipulation device for concrete mixing and transporting truck |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791390A (en) * | 2016-09-05 | 2018-03-13 | 湖北汇合专用汽车有限公司 | Trucd mixer wireless feed-discharge remote device |
| CN114683410A (en) * | 2020-12-28 | 2022-07-01 | 河北雷萨重型工程机械有限责任公司 | Mixer truck control device, mixer truck and mixer truck control method |
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Application publication date: 20160127 |