CN201693678U - Mixer truck and mixing drum control system thereof - Google Patents
Mixer truck and mixing drum control system thereof Download PDFInfo
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- CN201693678U CN201693678U CN2010202692771U CN201020269277U CN201693678U CN 201693678 U CN201693678 U CN 201693678U CN 2010202692771 U CN2010202692771 U CN 2010202692771U CN 201020269277 U CN201020269277 U CN 201020269277U CN 201693678 U CN201693678 U CN 201693678U
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Abstract
The utility model discloses a mixing drum control system for a mixer truck, which comprises an object instruction input device (21), a detection device (22), a control device (23) and an execution device (24). An output end of the object instruction input device (21) is connected with an input end of the control device (23), an input end of the detection device (22) is connected with a mixing drum (25), an output end of the detection device (22) is connected with the input end of the control device (23), an output end of the control device (23) is connected with an input end of the execution device (24), and an output end of the execution device (24) is connected with a driving device of the mixing drum (25). The control system improves automatic control level of running of the mixing drum and enhances control precision of the working state of the mixing drum. The utility model further discloses the mixer truck comprising the mixing drum control system.
Description
Technical field
The utility model relates to engineering machinery field, particularly relates to a kind of mixing drum control system that is used for trucd mixer.The utility model also relates to a kind of trucd mixer that comprises above-mentioned mixing drum control system.
Background technology
Along with increasing of engineering construction project, the application of trucd mixer more and more widely.
Because the cost of mechanical type oil pump is lower, therefore be widely used on the trucd mixer, to realize control to drum speed.
Mixing drum control system of the prior art comprises devices such as control crank, oil pump variable bar and Throttle Opening Control pull bar, in the course of work, when needs carry out the change of duty of mixing drum, operating personnel are by control crank control variables bar, variable bar and then the action of drive mechanical type oil pump, change its aperture and oil extraction direction, thereby change the rotating speed and the direction of rotation of CD-ROM drive motor, realize the function that forward and backward and meta to mixing drum stop; On the other hand, operating personnel also control the throttle of engine by the Throttle Opening Control pull bar, and then the rotating speed of control engine, engine is by the pump speed oil of its output shaft control mechanical type oil pump, and then the velocity of rotation of control mixing drum, because when mixing drum is just changeing, trucd mixer can charging, during counter-rotating, trucd mixer can discharging, therefore control the forward and backward speed of mixing drum, promptly controlled the charging and discharging speed of trucd mixer, the final control that realizes the functions such as charging, stirring, stirring, stall and discharging of trucd mixer.
Yet, in control procedure, need operating personnel directly variable bar or engine throttle to be controlled, not only the control procedure complexity, and control accuracy is lower, particularly in the transportation of trucd mixer, the rotating speed of engine is constantly to change, under its influence, when the aperture of mechanical type oil pump remains unchanged, the rotating speed of mixing drum also constantly changes, and causes can't realizing in the trucd mixer driving process that permanent rotating speed stirs, thereby influences mixing quality.
Therefore, how to improve automatic control level, and improve control accuracy, just become the present technical issues that need to address of those skilled in the art the mixing drum duty to the mixing drum operation.
The utility model content
The purpose of this utility model provides a kind of mixing drum control system that is used for trucd mixer, and this system has improved the automatic control level to the mixing drum operation, has improved the control accuracy to the mixing drum duty.Another purpose of the present utility model provides a kind of trucd mixer that comprises above-mentioned mixing drum control system.
For solving the problems of the technologies described above, the utility model provides a kind of mixing drum control system that is used for trucd mixer, comprise: target instruction target word input unit, checkout gear, control device and actuating unit, the output of described target instruction target word input unit is connected with the input of described control device, the input of described checkout gear is connected with mixing drum, its output is connected with the input of described control device, the output of described control device is connected with the input of described actuating unit, and the output of described actuating unit is connected with the drive unit of described mixing drum.
Preferably, described checkout gear comprises direction sensor and magnet, and one in the two is installed on described mixing drum, and another person is installed on the car body of described trucd mixer.
Preferably, described direction sensor is installed on the tank bracket of described trucd mixer, and described magnet is installed on the front end of described mixing drum.
Preferably, described control device also comprises input module, and the output of described input module is connected with the input of the processing module of described control device.
Preferably, described control device is installed on the tailstock portion of described trucd mixer.
Preferably, described actuating unit comprises direct current generator and throttle sensor, the pwm signal output of described control device is connected with described control of DC input, and the voltage signal output end of described control device is connected with the input of described throttle sensor.
Preferably, also comprise communication device, the two ends of described communication device are connected with described actuating unit with described control device respectively.
For solving the problems of the technologies described above, the utility model also provides a kind of trucd mixer, comprises mixing drum and is connected mixing drum control system with described mixing drum, and described mixing drum control system is above-mentioned each described mixing drum control system.
The mixing drum control system that is used for trucd mixer provided by the utility model, comprise the target instruction target word input unit, checkout gear, control device and actuating unit, the output of target instruction target word input unit is connected with the input of control device, the input of checkout gear is connected with mixing drum, its output is connected with the input of control device, the output of control device is connected with the input of actuating unit, the output of actuating unit is connected with the drive unit of mixing drum, annexation between each device of mixing drum control system provided by the present invention, make the signal of each device be able to smooth transmission, wherein, the target instruction target word input unit is imported the duty target instruction target word of described mixing drum, checkout gear detects the state of described mixing drum and obtains detection signal, instruction of control device receiving target and detection signal, and obtaining and send control instruction according to the control strategy that prestores, actuating unit moves under the target instruction target word state according to control instruction control mixing drum.Like this, in the course of work of trucd mixer, at first by target instruction target word input unit input target instruction target word, as: mixing drum just changes, counter-rotating, quicken, slow down, stop, with the first speed constant speed, with the second speed constant speed and promptly stop etc., simultaneously, checkout gear can detect the state of control mixing drum constantly, and it is passed to control device, control device is according to the requirement of target instruction target word, and the state of current mixing drum, the action that the algorithm that utilization has been stored draws actuating unit, and the action of control actuating unit, actuating unit and then drive mixing drum are worked under the target instruction target word state.As can be seen, mixing drum control system software and hardware combining provided by the utility model, realized automatic control to the duty of mixing drum, thereby reduced staff's labour intensity, checkout gear can detect the duty of mixing drum constantly simultaneously, and feed back to control device, thus make the control to mixing drum reach closed-loop control, guaranteed control accuracy.
In a kind of preferred implementation, the checkout gear that is used for the mixing drum control system of trucd mixer provided by the utility model comprises direction sensor and magnet, and one in the two is installed on described mixing drum, and another person is installed on the car body of described trucd mixer.In the course of work, rotation along with mixing drum, when direction sensor and magnet near the time, can produce electric current, the direction difference of rotation, sense of current is also different, approaching degree difference, the size of electric current is also different, direction sensor with current direction signal and size of current signal feedback to control device, control device can obtain the direction of rotation of mixing drum and in a period of time near number of times (being rotary speed), thereby whether can obtain mixing drum according to the target instruction target word operation, and then calculate the control instruction that makes new advances, the control actuating unit changes the aperture and the flow direction of mechanical type oil pump, and the rotating speed of the engine of trucd mixer, mixing drum is worked under dbjective state all the time.
In the another kind of specific embodiment, the actuating unit that is used for the mixing drum control system of trucd mixer provided by the utility model comprises direct current generator and throttle sensor, the pwm signal output of control device is connected with the control of DC input, the voltage signal output end of control device is connected with the input of throttle sensor, the voltage signal that control device output is used to control the pwm signal of direct current generator work and is used to control the throttle sensor state, direct current generator is controlled mechanical type oil pump according to pwm signal, and throttle sensor is controlled engine according to voltage signal.Like this, the program of the corresponding relation between engine speed and the magnitude of voltage is set in control device, when the needs engine is worked under a certain rotating speed, send voltage signal to throttle sensor, by voltage signal throttle sensor is controlled, realize control, further heightened the degree of automatic control, improved the accuracy of control engine speed.
The beneficial effect of trucd mixer provided by the utility model and the beneficial effect of mixing drum control system are similar, do not repeat them here.
Description of drawings
The theory diagram of the mixing drum control system that is used for trucd mixer that Fig. 1 is provided for a kind of specific embodiment of the utility model;
Fig. 2 is the theory diagram of second kind of mixing drum control system that is used for trucd mixer that the specific embodiment provided of the utility model;
Fig. 3 is the structural representation of mixing drum control system shown in Figure 2.
The specific embodiment
Core of the present utility model provides a kind of mixing drum control system that is used for trucd mixer, and this system has improved the automatic control level to the mixing drum operation, has improved the control accuracy to the mixing drum duty.Another core of the present utility model provides a kind of trucd mixer that comprises above-mentioned mixing drum control system.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, the theory diagram of the mixing drum control system that is used for trucd mixer that Fig. 1 is provided for a kind of specific embodiment of the utility model.
In a kind of specific embodiment, as shown in Figure 1, the mixing drum control system that is used for trucd mixer provided by the utility model, comprise target instruction target word input unit 21, checkout gear 22, control device 23 and actuating unit 24, the output of target instruction target word input unit 21 is connected with the input of control device 23, the input of checkout gear 22 is connected with mixing drum 25, its output is connected with the input of control device 23, the output of control device 23 is connected with the input of actuating unit 24, the output of actuating unit 24 is connected with the drive unit of mixing drum 25, above-mentioned annexation has guaranteed the smooth transmission of signal, wherein, the duty target instruction target word of target instruction target word input unit 21 input mixing drums 25; Checkout gear 22 detects the state of mixing drum 25, obtain detection signal, control device 23 receiving targets instruct and detection signal, and obtain and send control instruction according to the control strategy that prestores, and actuating unit 24 moves under the target instruction target word state according to control instruction control mixing drum 25.
Particularly, connection as herein described is mainly used in the bang path of explanation signal, has both comprised by wired mode connecting the transmission that realizes signal, also comprises by wireless mode connecting the transmission that realizes signal.
Because the duty of mixing drum is subjected to the aperture of mechanical type oil pump 26 (being shown among Fig. 2) and the influence of direction, also is subjected to the influence of the rotating speed of engine 27 (being shown among Fig. 2) simultaneously, so actuating unit 24 both comprised the oil pump actuating unit, comprised the throttle actuating unit again; Input for convenience, above-mentioned target instruction target word input unit 21 can be remote controller 211 (being shown among Fig. 2), remote controller 211 can send target instruction target word to control device 23 by wired mode or wireless mode.
Like this, in the course of work of trucd mixer, operating personnel at first launch target instruction target words by target instruction target word input unit 21 to control device 23, as: mixing drum just change, reverse, quicken, slow down, stop, with the first speed constant speed, with the second speed constant speed and promptly stop etc., concrete above-mentioned different target instruction target word can be by being arranged at the button input of target instruction target word input unit 21; Simultaneously, checkout gear 22 can detect the state of control mixing drum 25 constantly, detection signal is transferred to control device 23, control device 23 obtains after target instruction target word and the detection signal, according to the requirement of target instruction target word, and the state of current mixing drum 25, the algorithm that utilization has been stored draws the control instruction of control actuating unit 24, and then 24 actions of control actuating unit, the final mixing drum 25 of realizing of actuating unit 24 actions is worked under the target instruction target word state.
Mixing drum 25 rotates with a certain constant speed, and it is even to guarantee when just changeing that material stirs, and can obtain discharge rate during counter-rotating, thereby can obtain the discharging amount according to the discharge time, prevents the discharging quantity not sufficient.
As can be seen, mixing drum control system software and hardware combining provided by the utility model, realized automatic control to the duty of mixing drum 25, thereby reduced staff's labour intensity, checkout gear 22 can detect the duty of mixing drum 25 constantly simultaneously, and feed back to control device 23, feasible control to mixing drum 25 has reached closed-loop control, guaranteed the precision of control, closed-loop control can also prevent that mixing drum 25 from reversing in the vehicle driving process, thereby avoided trucd mixer discharging in the process of moving, caused the waste of material.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the theory diagram of second kind of mixing drum control system that is used for trucd mixer that the specific embodiment provided of the utility model; Fig. 3 is the structural representation of mixing drum control system shown in Figure 2.
In a kind of specific embodiment, the checkout gear 22 that is used for the mixing drum control system of trucd mixer provided by the utility model comprises direction sensor 221 and magnet (not shown), in the two one is installed on mixing drum 25, and another person is installed on the car body of trucd mixer.
Particularly, car body as herein described is meant the structure except that mixing drum 25 in the trucd mixer, because direction sensor 221 need produce electric current under the magnetic field of magnets effect, in order to improve current generated intensity, and then raising accuracy of detection, therefore the installation site of magnet should guarantee that generally when mixing drum 25 rotated to a certain position, the two can be very approaching.
In the course of work, rotation along with mixing drum 25, when direction sensor 221 and magnet near the time, because the difference of direction of closing, the sense of current that is produced is also different, simultaneously approaching degree difference, the size of the electric current that is produced is also different, therefore, can obtain the direction of rotation of mixing drum 25 according to the sense of current, obtain the rotary speed of mixing drum 25 simultaneously according to the pulse of electric current, direction sensor 221 so with current direction signal and size of current signal feedback to control device 23, control device 23 can obtain the direction of rotation and the rotary speed of mixing drum 25, thereby whether can judge mixing drum 25 according to the target instruction target word operation, and can correspondingly adjust, control actuating unit 24 changes the aperture and the flow direction of mechanical type oil pump 26, and the rotating speed of the engine 27 of trucd mixer, mixing drum 27 is worked under dbjective state all the time, guarantee that at an easy rate mixing drum 25 rotates with a certain speed constant speed.
In order to satisfy on the basis of functional requirement, guarantee the convenience of connection, in a kind of specific embodiment, direction sensor 221 can be installed on the tank bracket of trucd mixer, make things convenient for the layout of the line of direction sensor 221, magnet is installed on the front end of mixing drum 25, makes magnet with mixing drum 25 motions.
Import the duty target instruction target word of mixing drum 25 for convenience, in the control device 23 input module can also be set, the output of input module is connected with the input of the processing module of control device 23, like this, both can carry out the input of target instruction target word by remote controller 221, can also carry out the input of target instruction target word by the input module of control device 23.
Because the space of tailstock portion is bigger, particularly, control device 23 can be installed on the tailstock portion of trucd mixer.Like this, can also make things convenient for the layout of rat tail, reduce the use of wire harness, provide cost savings.
Please continue with reference to figure 2, the actuating unit that is used for the mixing drum control system of trucd mixer provided by the utility model specifically can comprise direct current generator 241 and throttle sensor 242, the pwm signal output of control device 23 is connected with the control input end of direct current generator 241, the voltage signal output end of control device 23 is connected with the input of throttle sensor 242, direct current generator 241 is according to pwm signal control mechanical type oil pump 26, throttle sensor 242 is controlled engine 27 according to voltage signal, engine 27 and then control mechanical type oil pump 26.Like this, the program of the corresponding relation between engine speed and the magnitude of voltage is set in control device 23, when needs engine 27 is worked under a certain rotating speed, send voltage signal to throttle sensor 242, by voltage signal throttle sensor 242 is controlled, realize control, further heightened the degree of automatic control, improved the accuracy of control engine speed.
Particularly, the voltage volt value scope of above-mentioned voltage signal can be 0V to 5V, and ceiling voltage and minimum voltage be the maximum speed and the minimum speed of corresponding engine respectively.Certainly, the voltage volt value scope of voltage signal can also be worth for other.
For the reliability that guarantees to control, prevent because the fault of actuating unit 24 causes the control of mixing drum 25 is gone wrong, mixing drum control system provided by the utility model also comprises communication device, the two ends of communication device are connected with actuating unit 24 with control device 23 respectively, to realize transmitting the status signal of actuating unit 24, make control device can understand the state of actuating unit 24 constantly to control device 23.
In addition, for solving the problems of the technologies described above, the utility model also provides a kind of trucd mixer, comprise mixing drum and the mixing drum control system that is connected with mixing drum, wherein, mixing drum control system is above-mentioned mixing drum control system, other structures of trucd mixer are same as the prior art, and this paper repeats no more.
More than trucd mixer provided by the utility model and mixing drum control system thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. mixing drum control system that is used for trucd mixer, it is characterized in that, comprise: target instruction target word input unit (21), checkout gear (22), control device (23) and actuating unit (24), the output of described target instruction target word input unit (21) is connected with the input of described control device (23), the input of described checkout gear (22) is connected with mixing drum (25), its output is connected with the input of described control device (23), the output of described control device (23) is connected with the input of described actuating unit (24), and the output of described actuating unit (24) is connected with the drive unit of described mixing drum (25).
2. the mixing drum control system that is used for trucd mixer according to claim 1, it is characterized in that, described checkout gear (22) comprises direction sensor (221) and magnet, and one in the two is installed on described mixing drum (25), and another person is installed on the car body of described trucd mixer.
3. the mixing drum control system that is used for trucd mixer according to claim 2 is characterized in that, described direction sensor (25) is installed on the tank bracket of described trucd mixer, and described magnet is installed on the front end of described mixing drum (25).
4. the mixing drum control system that is used for trucd mixer according to claim 1 is characterized in that, described control device (23) also comprises input module, and the output of described input module is connected with the input of the processing module of described control device (23).
5. the mixing drum control system that is used for trucd mixer according to claim 4 is characterized in that, described control device (23) is installed on the tailstock portion of described trucd mixer.
6. the mixing drum control system that is used for trucd mixer according to claim 1, it is characterized in that, described actuating unit (24) comprises direct current generator (241) and throttle sensor (242), the pwm signal output of described control device (23) is connected with the control input end of described direct current generator (241), and the voltage signal output end of described control device (23) is connected with the input of described throttle sensor (242).
7. according to each described mixing drum control system that is used for trucd mixer of claim 1 to 6, it is characterized in that, also comprise communication device, the two ends of described communication device are connected with described actuating unit (24) with described control device (23) respectively.
8. a trucd mixer comprises mixing drum and is connected mixing drum control system with described mixing drum, it is characterized in that, described mixing drum control system is each described mixing drum control system of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202692771U CN201693678U (en) | 2010-07-22 | 2010-07-22 | Mixer truck and mixing drum control system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202692771U CN201693678U (en) | 2010-07-22 | 2010-07-22 | Mixer truck and mixing drum control system thereof |
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| CN201693678U true CN201693678U (en) | 2011-01-05 |
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| CN2010202692771U Expired - Fee Related CN201693678U (en) | 2010-07-22 | 2010-07-22 | Mixer truck and mixing drum control system thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331820A (en) * | 2013-06-28 | 2013-10-02 | 成都众易通科技有限公司 | Sensing device capable of detecting clockwise and counterclockwise revolution of expansion cylinder |
| 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 |
-
2010
- 2010-07-22 CN CN2010202692771U patent/CN201693678U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331820A (en) * | 2013-06-28 | 2013-10-02 | 成都众易通科技有限公司 | Sensing device capable of detecting clockwise and counterclockwise revolution of expansion cylinder |
| 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 |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20130722 |