CN113585002B - Intelligent paving system of paver - Google Patents
Intelligent paving system of paver Download PDFInfo
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- CN113585002B CN113585002B CN202110700123.6A CN202110700123A CN113585002B CN 113585002 B CN113585002 B CN 113585002B CN 202110700123 A CN202110700123 A CN 202110700123A CN 113585002 B CN113585002 B CN 113585002B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/18—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect
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Abstract
The invention discloses an intelligent paving system of a paver, which comprises a height acquisition unit, a man-machine interaction unit, a control unit and a paving leveling mechanism, wherein the height acquisition unit is used for acquiring the height of a paving machine; the paving and leveling mechanism comprises an ironing plate and a leveling oil cylinder for driving the ironing plate to lift; the control unit calculates the actual paving thickness according to the received height acquisition signal; when the leveling mode signal corresponds to the thickness participation mode, the paving thickness target value and the thickness difference value of the actual paving thickness are calculated in real time, the thickness difference value exceeds a preset first threshold value all the time in the set first delay and has a trend of increasing, and the leveling oil cylinder is controlled to drive the ironing plate to lift so as to change the paving height and reduce the thickness difference value to the preset first threshold value. The invention can detect and adjust the actual paving thickness of the paver in the working process in real time.
Description
Technical Field
The invention relates to an intelligent paving system of a paver, belonging to the technical field of engineering machinery.
Background
The asphalt concrete paver is a core device for paving a high-grade road surface, and has important influence on the construction quality of the road surface. To the control of the thickness of paving in the work progress, generally need artifical manual measuring the thickness of paving with the drill rod to through the manual adjustment system of making level, realize the adjustment to the thickness of paving, this kind of adjustment mode is discontinuous, can not control whole construction road surface thickness of paving, and control effect lags behind moreover, and measurement accuracy is low, causes the roughness on the road surface of paving easily and the thickness of paving not up to standard. In order to solve the problems, an independent thickness measuring device can be purchased, but the cost is high, only independent after-measurement can be carried out, and the leveling system cannot be automatically controlled to complete the real-time adjustment of the paving thickness.
In addition, the influence of the temperature of the asphalt mixture on the pavement compaction quality and the flatness of the compacted pavement is great, so that the monitoring of the temperature of the paved pavement material in time is of great significance for the control of the discharge temperature of the asphalt mixture and the adjustment of the compaction process.
Therefore, the real-time monitoring and timely adjustment of the paving evenness, the paving thickness and the paving temperature of the pavement in the operation process of the paver are problems to be solved urgently.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an intelligent paving system of a paver, which can detect and adjust the actual paving thickness of the paver in real time so as to improve the thickness and the flatness of a pavement compacted by a paving material; the intelligent paving system of the paver with the consumable material counting function, which is realized on the basis of the system, can detect the usage amount of paving materials in real time, thereby optimizing the scheme, reducing the material loss and controlling the cost.
In order to achieve the above objects, in one aspect, the present invention provides an intelligent paving system of a paving machine, which includes a height acquisition unit, a human-computer interaction unit, a control unit and a paving leveling mechanism; the paving and leveling mechanism comprises an ironing plate and a leveling oil cylinder for driving the ironing plate to lift;
the height acquisition unit comprises a plurality of height sensors which are arranged at different positions on the balance beams on the two sides of the paver, and the signal output end of each height sensor is connected with the control unit; the control unit calculates the actual paving thickness according to the received height acquisition signal;
the man-machine interaction unit receives a paving thickness target value signal and a leveling mode signal which are input from the outside and transmits the paving thickness target value signal and the leveling mode signal to the control unit; the leveling mode corresponding to the leveling mode signal is a thickness participation mode or a thickness non-participation mode; the leveling mode is carried out on the premise of leveling control regardless of the participation or non-participation of the selected thickness.
The control unit responds to a received leveling mode signal corresponding to a thickness participation mode, calculates a thickness difference value between the paving thickness target value and the actual paving thickness in real time, responds to the fact that the thickness difference value exceeds a preset first threshold value within a set first delay and tends to increase, and controls a leveling oil cylinder to drive an ironing plate to lift so as to change the paving height and reduce the thickness difference value to be within the preset first threshold value;
and the control unit responds to the received leveling mode signal corresponding to the thickness non-participation mode, calculates the thickness difference value between the paving thickness target value and the actual paving thickness in real time, responds to the fact that the thickness difference value exceeds a preset first threshold value within a set first delay and has a trend of increasing, and outputs an alarm signal. And an operator receives the alarm signal through the man-machine interaction unit, immediately performs manual inspection, and controls the paver to operate through the man-machine interaction unit.
Furthermore, the intelligent paving system of the paver also comprises a temperature acquisition unit, wherein the temperature acquisition unit comprises a plurality of temperature sensors, and the temperature sensors acquire real-time temperature signals of the paved road surface and transmit the real-time temperature signals to the control unit;
the man-machine interaction unit receives an externally input temperature alarm value signal and transmits the temperature alarm value signal to the control unit;
the control unit calculates the real-time temperature of the paved road surface and the temperature difference value between the real-time temperature of the paved road surface and the temperature alarm value according to the received real-time temperature signals and the paving temperature alarm signal; and responding to the temperature difference value to exceed a preset second threshold value within a set second delay, and outputting a temperature alarm signal.
Furthermore, the height acquisition unit at least comprises 6 height sensors symmetrically arranged at two sides of a system symmetry axis, wherein 2 height sensors are symmetrically arranged in front of the hopper machine, 2 height sensors are symmetrically arranged in front of the material separator, and 2 height sensors are symmetrically arranged at the tail end of the paver; the plurality of temperature sensors at least comprise 2 temperature sensors which are respectively embedded in 2 height sensors symmetrically arranged at the tail end of the paver.
Furthermore, the intelligent paving system of the paver also comprises a user side and a GPS positioning unit arranged on the paver, wherein the user side is connected and communicated with the control units of one or more pavers through a wireless network, and the data transmitted by communication comprises actual paving thickness data of the paver; the GPS positioning unit is used for transmitting the geographic coordinates of the working position of the paver to the control unit, and the control unit is used for transmitting the geographic coordinates to the user side and the man-machine interaction unit.
On the other hand, the invention also provides an intelligent paving system of the paver with the consumable material counting function, which comprises a speed acquisition unit, a consumable material counting unit, a working hour counting unit and the intelligent paving system of the paver in the first aspect;
the speed acquisition unit comprises a speed sensor, and the speed sensor acquires a running speed signal of the paver and transmits the running speed signal to the control unit; the control unit calculates the actual running speed of the paver in real time according to the running speed signal and transmits the actual running speed to the consumable statistical unit;
the working time statistical unit calculates the working time of the paver in real time according to the start-stop signal of the paver and transmits the working time to the consumable statistical unit;
the consumable material counting unit calculates the material usage in real time according to the received actual paving thickness, the actual paver running speed, the paver working time and the actual paving width signal;
wherein the material usage = actual paving thickness, actual paver driving speed, actual paving width, and the actual paving width is the screed width.
Further, the screed is a mechanical screed; the consumable counting unit determines a screed width value for calculating the material usage amount according to a preset screed width value or an externally input screed width value.
Further, the screed is a telescopic screed; the intelligent paving system of the paver further comprises laser range finders arranged on two sides of the telescopic screed, wherein the laser range finders are used for detecting the width signal of the screed in real time and transmitting the signal to the control unit, and the control unit calculates the actual paving width according to the received width detection signal of the screed and transmits the actual paving width to the consumable material counting unit.
Further, the man-machine interaction unit receives a target value signal of the running speed of the paver, which is input from the outside, and transmits the target value signal to the control unit;
the control unit calculates the speed difference value between the alarm value of the running speed of the paver and the actual running speed of the paver in real time according to the received alarm value signal of the running speed of the paver; and responding to the speed difference value and outputting an alarm signal when the speed difference value exceeds a preset third threshold value within a set third delay.
Furthermore, the consumable material counting unit, the man-hour counting unit and the control unit are realized by adopting the same processor chip, and the processor chip is connected and communicated with the user side and the human-computer interaction unit so as to transmit data comprising the man-hour calculation result and the consumable material calculation result to the user side and the human-computer interaction unit.
Furthermore, a clear key is arranged on the human-computer interaction unit, the human-computer interaction unit responds to the fact that the clear key is pressed and sends a clear trigger signal to the consumable material counting unit, and the consumable material counting unit responds to the fact that the clear trigger signal is received and clears the counted material usage amount.
Compared with the prior art, the intelligent paving system of the paver provided by the embodiment of the invention has the beneficial effects that:
according to the invention, the height acquisition unit, the temperature acquisition unit, the man-machine interaction unit, the control unit and the paving leveling mechanism are arranged to complete the acquisition of height signals, the real-time calculation of the actual paving thickness and the judgment of the thickness difference value between the target paving thickness value and the actual paving thickness, so that the paving leveling mechanism or an alarm operator can timely adjust the actual paving thickness, the paving quality is improved, and the standard operation is ensured.
The invention also completes the real-time calculation of the actual paver driving speed and the paver operation time by arranging the speed acquisition unit, the width acquisition unit, the consumable material statistical unit and the working hour statistical unit, so that the consumable material statistical unit calculates the material usage amount in real time, an operator can find unnecessary material loss conditions in time and take countermeasures, the waste is reduced, and the cost is reduced.
Drawings
FIG. 1 is a left side view of the structure of one embodiment of the present invention;
FIG. 2 is a schematic view of an electronic control system according to one embodiment of the present invention;
FIG. 3 is a display of a thickness setting interface in an embodiment of the present invention;
FIG. 4 is a diagram of an interface of a consumable statistics unit according to an embodiment of the present invention.
In the figure: 1. a human-computer interaction unit; 2. a control unit; 3. a remote control box; 4. leveling the junction box; 5. b3, a height sensor; 6. b2, a height sensor; 7. b1, a height sensor; 8. a speed sensor; 9. leveling the oil cylinder; 12. b6, a height sensor; 13. b5 a height sensor; 14. b4 height sensor.
Detailed description of the preferred embodiments
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
As shown in fig. 1 and fig. 3, the intelligent paving system of the paver of the present invention comprises a height acquisition unit, a human-computer interaction unit 1, a control unit 2 and a paving leveling mechanism; the paving and leveling mechanism comprises an ironing plate and a leveling oil cylinder for driving the ironing plate to lift; the height acquisition unit comprises a plurality of height sensors which are arranged at different positions on the balance beams on the two sides of the paver, and the signal output end of each height sensor is connected with the control unit; the control unit 2 calculates the actual paving thickness according to the received height acquisition signal; the man-machine interaction unit 1 receives a paving thickness target value signal and a leveling mode signal which are input from the outside and transmits the paving thickness target value signal and the leveling mode signal to the control unit 2; the leveling mode corresponding to the leveling mode signal is a thickness participation mode or a thickness non-participation mode; in this embodiment, the leveling mode is performed on the basis of the assumption that the leveling control is performed regardless of whether the selected thickness is involved or not. The control unit 2 responds to the received leveling mode signal corresponding to the thickness participation mode, calculates the thickness difference value between the paving thickness target value and the actual paving thickness in real time, responds to the fact that the thickness difference value exceeds a preset first threshold value within a set first delay and tends to increase, and controls the leveling oil cylinder to drive the ironing plate to move up and down so as to change the paving height and reduce the thickness difference value to be within the preset first threshold value; and the control unit 2 responds to the received leveling mode signal corresponding to the thickness non-participation mode, calculates the thickness difference value between the paving thickness target value and the actual paving thickness in real time, responds to the fact that the thickness difference value exceeds a preset first threshold value within a set first delay and has a trend of increasing, and outputs an alarm signal. And after receiving the alarm signal through the man-machine interaction unit 1, an operator immediately carries out manual inspection, and controls the operation of the paving vehicle through the man-machine interaction unit 1.
When the height detection device is applied, as shown in fig. 2, the height acquisition unit is provided with at least 6 ultrasonic height sensors, as shown in fig. 1, wherein the B1 height sensor 7 and the B4 height sensor 14 are both positioned in front of the hopper machine and are bilaterally symmetrical about a symmetry axis of the system, and the height 1 of the height sensor from the road surface is detected in real time; the B2 height sensor 6 and the B5 height sensor 13 are both positioned in front of the material separator and are bilaterally symmetrical with respect to a system symmetry axis, and the elevation 2 from the road surface to the height sensor is detected in real time; the B3 height sensor 5 and the B6 height sensor 12 are both positioned at the tail end of the paver and are bilaterally symmetrical with respect to the symmetry axis of the system, so that the elevation 3 from the road surface to the height sensors is detected in real time. But not limited thereto, those skilled in the art can adjust the kind, number and installation position of the height sensors according to the actual situation. Meanwhile, as shown in fig. 2, the signal output terminals of the B1 height sensor 7, the B2 height sensor 6 and the B3 height sensor 5 are respectively and electrically connected to the leveling terminal box 4 on one side, and the signal output terminals of the B4 height sensor 14, the B5 height sensor 13 and the B6 height sensor 12 are respectively and electrically connected to the leveling terminal box 4 on the other side; the two leveling junction boxes 4 are electrically connected with the remote control box 3 through the CAN bus, and the remote control box 3 is electrically connected with the control unit 2 through the CAN bus.
In the application of the embodiment, as shown in fig. 3, an operator inputs a paving thickness target value X1 and a first threshold value Y1 into the system through the human-computer interaction unit 1, and starts the paving machine after selecting a leveling mode and setting a first delay according to project requirements. After the paver is started, the control unit 2 calculates the actual paving thickness value Z1 in real time according to the received height acquisition signal, then calculates the thickness difference N1 between the actual paving thickness value Z1 and the paving thickness target value X1, and judges the sizes of N1 and Y1.
When an operator selects a thickness non-participation mode through the human-computer interaction unit 1, N1 is continuously larger than Y1 within a set first delay, and N1 has an increasing trend, the control unit 2 triggers an alarm system to alarm the operator, so that the system is abnormal and is treated as soon as possible; otherwise, the system operates normally.
When an operator selects a thickness participation mode through the human-computer interaction unit 1, N1 is continuously larger than Y1 within a set first delay, and N1 tends to increase, the control unit 2 transmits a signal to the leveling solenoid valve, and the solenoid valve controls the leveling oil cylinder 9 to ascend or descend through reversing to drive the ironing plate, so that the actual paving thickness value is adjusted until the thickness difference N1 is smaller than Y1; otherwise, the system operates normally.
According to the invention, the height acquisition unit, the man-machine interaction unit 1, the control unit 2 and the paving and leveling mechanism are arranged, so that real-time detection is realized, and the actual paving thickness is adjusted in time, thus the quality of a paved road surface is improved, and standard operation is ensured; by designing two leveling modes, the project requirement can be completed more accurately, and the service quality is improved.
Example 2
On the basis of the embodiment 1, the intelligent paving system of the paving machine further comprises a temperature acquisition unit, wherein the temperature acquisition unit comprises a plurality of temperature sensors, and the temperature sensors acquire real-time temperature signals of a paved road surface and transmit the real-time temperature signals to the control unit 2; the man-machine interaction unit 1 receives an externally input temperature alarm value signal and transmits the temperature alarm value signal to the control unit 2; the control unit 2 calculates the real-time temperature of the paved road surface and the temperature difference value between the real-time temperature of the paved road surface and the temperature alarm value according to the received real-time temperature signals and the paving temperature alarm signal; and responding to the temperature difference value which exceeds a preset second threshold value all the time within the set time delay, and outputting a temperature alarm signal.
In addition, the system also comprises a user terminal and a GPS positioning unit arranged on the paver, wherein the user terminal is connected and communicated with the control units 2 of one or more pavers through a wireless network, and the data transmitted by communication comprises the actual paving thickness data of the paver; the geographic coordinates of the working position of the paver positioned by the GPS positioning unit are transmitted to the control unit 2, and the geographic coordinates are transmitted to the user side and the man-machine interaction unit 1 by the control unit 2.
During application, referring to fig. 1 and 2, the temperature acquisition unit at least comprises 2 temperature sensors which are respectively embedded in the B3 height sensor 5 and the B6 height sensor 12 to detect the temperature of the paved road surface in real time; but not limited thereto, those skilled in the art can adjust the kind, number and installation position of the temperature sensors according to the actual situation. The signal output end of the temperature sensor transmits the temperature acquisition information to the control unit 2 through the remote control box 3.
In the application of the embodiment, before the operator starts the paver, the alarm value X2 of the temperature of the paved road and the second threshold value Y2 are input into the system through the human-computer interaction unit 1 according to the properties of the paved material, and the second delay is set. In the working process of the paver, the control unit 2 calculates the actual paving road temperature Z2 in real time according to the temperature sensor, then calculates the temperature difference N2 between the actual paving road temperature Z2 and the paving road temperature alarm value X2, and judges the sizes of the N2 and the Y2. When N2 is continuously greater than Y2 within the set second delay, the control unit 2 triggers an alarm system to alarm operating personnel, so that the system is abnormal and is processed as soon as possible; otherwise, the system operates normally.
According to the invention, the temperature of the paved road surface can be detected in real time by arranging the temperature acquisition unit, so that the condition that the paved road surface is not flat and the construction quality is unqualified due to the fact that the temperature of a paving material is too low or too high in the paving process is avoided; by setting the user side and the GPS positioning unit, a user and an operator can look up specific data of the whole construction process of a project at any time, and the accuracy of operation can be improved by multi-party real-time supervision; when a problem occurs, the problem can be solved by looking up historical data and finding the reason of the problem, and data reference is provided for the optimization of the scheme.
Example 3
The intelligent paving system with the consumable material counting function for the paver comprises a speed acquisition unit, a consumable material counting unit, a working hour counting unit and the intelligent paving system of the paver in the embodiment 1 or 2.
The speed acquisition unit comprises a speed sensor 8, and the speed sensor 8 acquires a running speed signal of the paver and transmits the running speed signal to the control unit 2; the control unit 2 calculates the actual running speed of the paver in real time according to the running speed signal and transmits the actual running speed to the consumable material statistical unit; the working time statistical unit calculates the working time of the paver in real time according to the start-stop signal of the paver and transmits the working time to the consumable statistical unit; referring to fig. 4, the consumable material statistical unit calculates the material usage amount in real time according to the received actual paving thickness, the actual paving machine driving speed, the paving machine working time and the actual paving width signal; wherein the material usage = actual paving thickness, actual paver driving speed, actual paving width, and the actual paving width is the screed width.
The consumable material counting unit, the man-hour counting unit and the control unit 2 are realized by the same processor chip, and the processor chip is connected with the user side and the human-computer interaction unit 1 for communication so as to transmit data comprising man-hour calculation results and consumable material calculation results to the user side and the human-computer interaction unit 1.
In addition, a clear key is arranged on the human-computer interaction unit 1, the human-computer interaction unit 1 responds to the fact that the clear key is pressed and sends a clear trigger signal to the consumable material counting unit, the consumable material counting unit responds to the fact that the clear trigger signal is received, the counted material usage amount is cleared, data of a completed project are cleared in time, and a sufficient storage space is provided for a new project.
In this embodiment, the screed may be a mechanical screed or a telescopic screed. When the ironing plate is a mechanical ironing plate, the consumable material counting unit determines an ironing plate width value for calculating the material usage amount according to a preset ironing plate width value or an externally input ironing plate width value; when the screed is the flexible screed, paver intelligence paving system still includes the laser range finder who installs in flexible screed both sides, and it detects screed width signal transmission to control unit 2 in real time, but is not limited to this, and the skilled person can replace laser range finder with the component of equivalent function according to actual conditions. The control unit 2 calculates the actual paving width according to the received screed width detection signal and transmits the actual paving width to the consumable material counting unit.
In application, as shown in fig. 1, the speed acquisition unit at least includes two speed sensors 8 respectively installed on the left side and the right side of the motor, but not limited thereto, and those skilled in the art can adjust the type, number and installation position of the speed sensors 8 according to actual situations.
Before starting the paver, an operator inputs a paver running speed alarm value X3 and a third threshold value Y3 into the system through the human-computer interaction unit 1, sets a third delay and transmits the third delay to the control unit 2. In the working process of the paver, the control unit 2 calculates the actual paver running speed Z3, the paver running speed alarm value and the speed difference N3 of the actual paver running speed according to the received paver running speed alarm value signal and speed acquisition signal, and judges the sizes of the N3 and the Y3. When N3 is continuously greater than Y3 within the set third delay, the control unit 2 triggers an alarm system to alarm the operator, so that the system is abnormal and is processed as soon as possible; otherwise, the system operates normally.
The speed acquisition unit is arranged to detect and adjust the running speed of the paver in the working process in real time, so that the influence of too low or too high running speed on paving thickness and flatness is avoided, and the paving quality is improved; through setting up consumptive material statistics unit, the in service behavior of the material of real-time detection paving process, if find the unreasonable situation of material use of paving, for example the material loss that paves is too big, operating personnel in time adjusts the construction scheme to practice thrift the cost.
In summary, according to the intelligent paving system of the paver, the height acquisition unit, the temperature acquisition unit, the speed acquisition unit, the width acquisition unit, the man-machine interaction unit, the control unit, the consumable material statistics unit, the working hour statistics unit and the paving leveling mechanism are arranged, so that the actual paving thickness, the temperature of the paved road surface, the running speed of the paver and the usage amount of paving materials are detected and adjusted in real time, the paving thickness is ensured, the flatness of the paved road surface is improved, and the quality of the paved road surface is improved; and the utilization rate of the paving material is improved, and unnecessary loss is reduced, so that the cost is reduced.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and those improvements and modifications should be considered as the protection scope of the present invention.
Claims (10)
1. An intelligent paving system of a paver is characterized by comprising a height acquisition unit, a man-machine interaction unit (1), a control unit (2) and a paving and leveling mechanism; the paving and leveling mechanism comprises an ironing plate and a leveling oil cylinder (9) for driving the ironing plate to lift;
the height acquisition unit comprises a plurality of height sensors which are arranged at different positions on balance beams on two sides of the paver, and the signal output end of each height sensor is connected with the control unit (2); the control unit (2) calculates the actual paving thickness according to the received height acquisition signal;
the man-machine interaction unit (1) receives a paving thickness target value signal and a leveling mode signal which are input from the outside and transmits the paving thickness target value signal and the leveling mode signal to the control unit (2); the leveling mode corresponding to the leveling mode signal is a thickness participation mode or a thickness non-participation mode; the leveling mode is used for paving on the premise of leveling control no matter the thickness is selected to participate or not participate;
the control unit (2) responds to a received leveling mode signal corresponding to a thickness participation mode, calculates a thickness difference value between the paving thickness target value and the actual paving thickness in real time, responds to the fact that the thickness difference value exceeds a preset first threshold value within a set first delay and tends to increase, and controls a leveling oil cylinder to drive an ironing plate to lift so as to change the paving height and reduce the thickness difference value to be within the preset first threshold value;
and the control unit (2) responds to the received leveling mode signal corresponding to the thickness non-participation mode, calculates the thickness difference value between the paving thickness target value and the actual paving thickness in real time, responds to the fact that the thickness difference value exceeds a preset first threshold value all the time within a set first delay and has a trend of increasing, and outputs an alarm signal.
2. The intelligent paving system of the paver of claim 1, further comprising a temperature acquisition unit, wherein the temperature acquisition unit comprises a plurality of temperature sensors, and the temperature sensors acquire real-time temperature signals of the paved road surface and transmit the signals to the control unit (2);
the man-machine interaction unit (1) receives an externally input temperature alarm value signal and transmits the temperature alarm value signal to the control unit (2);
the control unit (2) calculates the real-time temperature of the paved road surface and the temperature difference value between the real-time temperature of the paved road surface and the temperature alarm value according to the received real-time temperature signals and the paving temperature alarm signals; and responding to the temperature difference value to exceed a preset second threshold value within a set second delay, and outputting a temperature alarm signal.
3. The intelligent paving system of the paver of claim 1 or 2, wherein the height acquisition unit at least comprises 6 height sensors symmetrically arranged at two sides of a system symmetry axis, wherein 2 of the height sensors are symmetrically arranged in front of the hopper machine, 2 are symmetrically arranged in front of the material separator, and 2 are symmetrically arranged at the tail end of the paver;
the plurality of temperature sensors at least comprise 2 temperature sensors which are respectively embedded in 2 height sensors symmetrically arranged at the tail end of the paver.
4. The intelligent paving system of a paving machine of claim 3, further comprising a user terminal and a GPS location unit mounted on the paving machine;
the user side is connected and communicated with the control units (2) of one or more pavers through a wireless network, and the data transmitted by communication comprises actual paving thickness data of the pavers;
the geographic coordinates of the working position of the paver positioned by the GPS positioning unit are transmitted to the control unit (2), and the geographic coordinates are transmitted to the user side and the man-machine interaction unit (1) by the control unit (2).
5. An intelligent paving system of a paver with a consumable material counting function is characterized by comprising a speed acquisition unit, a consumable material counting unit, a working hour counting unit and the intelligent paving system of the paver according to any one of claims 1-4;
the speed acquisition unit comprises a speed sensor (8), and the speed sensor (8) acquires a running speed signal of the paver and transmits the running speed signal to the control unit (2);
the control unit (2) calculates the actual running speed of the paver in real time according to the running speed signal and transmits the actual running speed to the consumable material statistical unit;
the working time statistical unit calculates the working time of the paver in real time according to the start-stop signal of the paver and transmits the working time to the consumable statistical unit;
the consumable material counting unit calculates the material usage in real time according to the received actual paving thickness, the actual paver running speed, the paver working time and the actual paving width signal;
the material usage = actual paving thickness, actual paving machine driving speed, and actual paving width, and the actual paving width is the screed width.
6. The intelligent paving system of a paver according to claim 5 where the screed is a mechanical screed; the consumable counting unit determines a screed width value for calculating the material usage amount according to a preset screed width value or an externally input screed width value.
7. The intelligent paving system of a paver with a consumable statistic function of claim 5 wherein the screed is a telescopic screed; the intelligent paving system of the paver further comprises laser range finders arranged on two sides of the telescopic screed, the laser range finders are used for detecting the width signal of the screed in real time and transmitting the width signal to the control unit (2), and the control unit (2) calculates the actual paving width according to the received width detection signal of the screed and transmits the actual paving width to the consumable statistical unit.
8. The intelligent paving system of the paving machine with the consumable material counting function as claimed in claim 5, wherein the man-machine interaction unit (1) receives an externally input target value signal of the running speed of the paving machine and transmits the target value signal to the control unit (2);
the control unit (2) calculates the speed difference value between the paver running speed alarm value and the actual paver running speed in real time according to the received paver running speed alarm value signal; and responding to the speed difference value and outputting an alarm signal when the speed difference value exceeds a preset third threshold value within a set third delay.
9. The intelligent paving system of a paver with a consumable material counting function as claimed in claim 5, characterized in that the consumable material counting unit, the man-hour counting unit and the control unit (2) are implemented by using the same processor chip, and the processor chip is connected and communicated with the user terminal and the human-computer interaction unit (1) so as to transmit data including the man-hour calculation result and the consumable material calculation result to the user terminal and the human-computer interaction unit (1).
10. The intelligent paving system of a paving machine with the consumable material counting function as claimed in claim 9, wherein a clear button is arranged on the human-computer interaction unit (1), the human-computer interaction unit (1) sends a clear trigger signal to the consumable material counting unit in response to the clear button being pressed, and the consumable material counting unit clears the counted material usage amount in response to receiving the clear trigger signal.
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| CN202110700123.6A CN113585002B (en) | 2021-06-23 | 2021-06-23 | Intelligent paving system of paver |
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| CN111021204B (en) * | 2020-01-02 | 2021-11-02 | 清华大学 | Automatic road paving robot |
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