Screed heating system of paver, heating method and paver
A heating system and screed technology, applied in roads, road repairs, roads, etc., can solve the problem of unreliable control of the heating temperature of sub-section screeds, and achieve the effect of precise temperature control and good paving quality
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Embodiment 1
[0046] When the heating system of the screed is heated by one-time heating, when one of the temperature sensors (assumed in this embodiment, the first temperature sensor 5) fails and cannot work normally, the heating controller 6 will The temperature of screed 2 in the second subsection, the heating time of screed 1 in the first subsection and the heating time of screed 2 in the second subsection, and the historical heating speed of screed 1 in the first subsection and the screed in the second subsection 2 to calculate the nominal temperature of the screed 1 in the first subsection, and control the first heating element 3 to heat the screed 1 in the first subsection according to the nominal temperature of the screed 1 in the first subsection.
[0047] The calculation method of the nominal temperature of the first sub-section screed 1 is as follows:
[0048] T 1t =T 10 +(V 1hh ⅹV 2th / V 2hh )xt 1h ;
[0049] V 2th =(T 2t -T 20 ) / t 2h ;
[0050] Among them, T 1t Ind...
Embodiment 2
[0053] When the heating system of the screed is heated by a circulation heating method, if the first temperature sensor 5 fails during the cooling process, the heating controller 6 will also control the screeds of the first subsection 1 and the second subsection screed 2 The cooling time is counted, and the cooling rate of the first subsection screed 1 and the historical cooling rate of the second subsection screed 2 are obtained to calculate the nominal temperature of the first subsection screed 1, and according to the first subsection screed The nominal temperature of the screed 1 is used to control the heating of the first subsection screed 1 by the first heating element 3 .
[0054] The calculation method of the nominal temperature of the first sub-section screed 1 is as follows:
[0055] T 1t =T 10 +(V 1hc ⅹV 2tc / V 2hc )xt 1c ;
[0056] V 2tc =(T 2t -T 20 ) / t 2c ;
[0057] Among them, T 1t Indicates the nominal temperature of the first subsection screed 1, T...
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