# US 10,371,655 B2 · System for a paver for determining a cooling behavior > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,371,655 B2 - Document ID: US10371655B2 - Status: Granted - Kind: B2 - Application number: 14/836,274 - Filed: 2015-08-26 - Published: 2016-03-03 - Granted: 2019-08-06 - Earliest claimed: 2014-08-27 - Assignees: Joseph Voegele AG - Applicants: Joseph Voegele AG - Inventors: Henning Delius; Arnold Rutz; Martin Buschmann - Web page: https://patentgrep.com/patent/US10371655B2 ## CPC - G01N 25/00: Investigating or analyzing materials by the use of thermal means (G01N3/00 - G01N23/00 take precedence) - E01C 19/42: Machines for imparting a smooth finish to freshly-laid paving courses other than by rolling, tamping or vibrating (for distributing only E01C19/12; {hand-actuated smoothing tools E01C19/44}) - E01C 19/48: for laying-down the materials and consolidating them, or finishing the surface {, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ (E01C19/002, E01C23/065 take precedence; devices for guiding or controlling the machines along a predetermined path E01C19/004)} - E01C 23/01: Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed {or reference line} supports (form rails E01C19/50); Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs (E01C23/07 takes precedence; measuring roughness or irregularity in general G01B) - G01J 5/0022: {for sensing the radiation of moving bodies} - G01N 33/42: Road-making materials (G01N33/38 takes precedence) - G01J 2005/0077: {Imaging} - G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q) - E01C: CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR (forming roads or like surfaces by compacting or grading snow or ice E01H) - G01J: MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY (light sources F21, H01J, H01K, H05B; investigating properties of materials by optical means G01N) ## Abstract A system comprising a temperature measurement device for repeatedly detecting temperature values of a pavement laid by a paver. The system is configured for ascertaining a temperature value for a specific measuring point at at least two different moments in time by means of the temperature measurement device, the specific measuring point lying in an area of the laid pavement. The system additionally comprises an evaluation unit, the evaluation unit being configured for determining a cooling behavior of the laid pavement. This is done by making use of the at least two different temperature values that have been detected for the specific measuring point at the at least two different moments in time. ## Claims ### Claim 1 A system comprising: a temperature measurement device for repeatedly detecting surface temperature values of a pavement laid by a paver during a laying process, wherein the system is configured for determining a surface temperature value for a specific measuring point at at least two different instances in time using the temperature measurement device, the specific measuring point being in an area of the laid pavement; and an evaluation unit configured for determining a cooling behavior of the laid pavement from the at least two surface temperature values determined for the specific measuring point at the at least two different instances in time, wherein the evaluation unit is further configured to determine a control factor of the laying process of the pavement using the determined cooling behavior of the laid pavement, and wherein the control factor is usable for controlling an aspect of the laying process of the pavement. ### Claim 2 (depends on 1) The system according to claim 1 wherein the respective time interval between the at least two different instances in time is predetermined, and wherein the evaluation unit is further configured for determining the cooling behavior of the laid pavement based on the respective time interval between the at least two different instances in time. ### Claim 3 (depends on 1) The system according to claim 1 wherein the system is configured to determine the temperature values during or after pre-compacting by a screed of the paver, wherein the temperature measurement device is configured for detecting temperature values at measuring points in the area of the laid pavement having each a pre-determined or an ascertainable distance to the paver or the screed, and wherein the position of the specific measuring point is ascertained on the basis of its respective distance to the paver or the screed at the at least two different instances in time during the laying process. ### Claim 4 (depends on 1) The system according to claim 1 wherein the temperature measurement device is configured to determine the temperature values line-by-line, each determined line representing a temperature profile of the laid pavement transversal to the travel direction of the paver. ### Claim 5 (depends on 1) The system according to claim 1 wherein the temperature measurement device is configured for determining a plurality of temperature values in a two-dimensional area on the surface of the laid pavement at each of the instances in time, and wherein the at least two different instances in time correspond to at least two different two-dimensional areas, the at least two different two-dimensional areas overlapping and each of the at least two different two-dimensional areas including the specific measuring point. ### Claim 6 (depends on 5) The system according to claim 5 wherein the temperature measurement device is configured to determine the temperature values line-by-line, each determined line representing a temperature profile of the laid pavement transversal to the travel direction of the paver. ### Claim 7 (depends on 6) The system according to claim 6 wherein the temperature measurement device is configured for determining temperature values of a plurality of lines at each instance in time, and wherein the plurality of lines at an instance in time represent one of the two-dimensional areas. ### Claim 8 (depends on 1) The system according to claim 1 wherein the system or the temperature measurement device comprises units for mounting to the paver, and wherein the temperature measurement device is configured to determine the temperature values during the laying process of the pavement, and wherein the temperature measurement device is configured to determine the temperature values continuously, at periodic intervals or depending on a speed of the laying process or of the paver. ### Claim 9 (depends on 1) The system according to claim 1 wherein the system is configured for determining a respective temperature value for a plurality of specific measuring points at each of the at least two different instances in time, and wherein the evaluation unit is configured for determining the cooling behavior of the laid pavement based on a predetermined averaging of the temperature values of the plurality of specific measuring points. ### Claim 10 (depends on 9) The system according to claim 9 wherein the predetermined averaging is an arithmetic average, a median, a quadratic mean and/or a weighted arithmetic average for the temperature values of the plurality of specific measuring points. ### Claim 11 (depends on 1) The system according to claim 1 wherein the evaluation unit is configured for determining the cooling behavior of the laid pavement based on a predetermined mathematical model, the mathematical model being further based on at least one additional parameter, the at least one additional parameter comprising a base temperature, a thickness of the pavement, a temperature of ambient air, an air moisture, a cloud cover, a wind speed and/or a pavement material property. ### Claim 12 (depends on 1) The system according to claim 1 wherein the control factor comprises a speed of a machine of the laying process, a start or stop signal for a machine of the laying process and/or a conveyor belt speed of the laying process. ### Claim 13 (depends on 1) The system according to claim 1 wherein the temperature measurement device comprises an infrared camera, an infrared scanner, a pivotable pyrometer, a pyrometer array and/or a line scan camera. ### Claim 14 (depends on 1) A paver comprising a system according to claim 1. ### Claim 15 A method for determining a cooling behavior of a pavement laid by a paver, the method comprising: determining by a temperature measurement device a first surface temperature value for a specific measuring point at a first instance in time during a laying process of the pavement, the specific measuring point being in an area of the pavement laid by the paver; determining by the temperature measurement device at least a second surface temperature value for the specific measuring point at at least a second instance in time during the laying process, the at least second instance in time being after the first instance in time; determining a cooling behavior of the laid pavement from the at least two determined surface temperature values for the specific measuring point; determining, using an evaluation unit, a control factor of the laying process of the pavement using the determined cooling behavior of the laid pavement; and controlling an aspect of the laying process of the pavement based on the control factor. ### Claim 16 A non-transitory computer-readable storage medium with stored computer-executable instructions, which, when executed, carry out a control method comprising the following steps: instructing a temperature measurement device to determine a first surface temperature value for a specific measuring point at a first instance in time during a laying process of pavement by a paver, the specific measuring point being in an area of the pavement laid by the paver; instructing the temperature measurement device to determine at least a second surface temperature value for the specific measuring point at at least a second instance in time during the laying process, the at least second instance in time being after the first instance in time; determining a cooling behavior of the laid pavement from the at least two determined surface temperature values for the specific measuring point; determining a control factor of the laying process of the pavement using the determined cooling behavior of the laid pavement; and controlling an aspect of the laying process of the pavement based on the control factor. ### Claim 17 (depends on 16) The computer-readable storage medium of claim 16 wherein the computer-executable instructions are configured to carry out the determining step at an evaluation unit that is configured to receive the at least two determined temperature values. ### Claim 18 (depends on 15) The method according to claim 15 wherein the control factor comprises a speed of a machine of the laying process, a start or stop signal for a machine of the laying process and/or a conveyor belt speed of the laying process. ### Claim 19 (depends on 16) The computer-readable storage medium of claim 16 wherein the control factor comprises a speed of a machine of the laying process, a start or stop signal for a machine of the laying process and/or a conveyor belt speed of the laying process.