Apparatus for wireless battery charger heat management
A roadway section comprises a body, a wireless battery charger, a reinforcement layer, and a thermal conduction coupler. The body includes rigid pavement. The reinforcement layer is embedded in the body and is configured to provide structural integrity to the body. The wireless battery charger is embedded in the body and configured to induce an electrical charge on a battery of a vehicle traveling on the roadway section. The thermal conduction coupler is embedded in the body and extends between the wireless battery charger and a portion of the reinforcement layer. The thermal conduction coupler is configured to conductively transfer heat from the wireless battery charger to the reinforcement layer.
1 . A roadway section comprising:
a body of rigid pavement;
a reinforcement layer embedded in and configured to provide structural integrity to the body;
a wireless battery charger embedded in the body and configured to induce an electrical charge on a battery of a vehicle traveling on the roadway section; and
a thermal conduction coupler embedded in the body and extending between the wireless battery charger and a portion of the reinforcement layer, the thermal conduction coupler being configured to conductively transfer heat from the wireless battery charger to the reinforcement layer.
2 . The roadway section of claim 1 , wherein the thermal conduction coupler includes a bar that contacts the reinforcement layer and the wireless battery charger and is formed from thermally conductive material.
3 . The roadway section of claim 2 , wherein the bar comprises non-magnetic-shielding material.
4 . The roadway section of claim 1 , wherein the thermal conduction coupler includes a woven wire mesh.
5 . The roadway section of claim 1 , wherein the thermal conduction coupler includes a rebar chair formed from thermally conductive material that has a base contacting the wireless battery charger and a plurality of rebar connectors, one or more of the plurality of rebar connectors contacting the reinforcement layer.
6 . The roadway section of claim 1 , wherein the reinforcement layer includes a grid of reinforcement bars.
7 . The roadway section of claim 1 , wherein the thermal conduction coupler includes a structure that contacts the reinforcement layer and the wireless battery charger and the structure is formed from thermally conductive material.
8 . The roadway section of claim 1 , wherein the reinforcement layer is positioned between the wireless battery charger and a top surface of the body and the reinforcement layer is formed from non-magnetic-shielding material.
9 . The roadway section of claim 8 , wherein the thermal conduction coupler is formed from non-magnetic-shielding material.
10 . The roadway section of claim 1 , wherein the reinforcement layer is positioned between the wireless battery charger and a bottom surface of the body and the reinforcement layer is formed from non-ferrous material.
11 . The roadway section of claim 1 , wherein the thermal conduction coupler has a thermal conductivity value that is greater than the thermal conductivity value of concrete.
12 . The roadway section of claim 1 , wherein the thermal conduction coupler has a thermal conductivity value greater than five watts per meter-kelvin.
13 . The roadway section of claim 1 , wherein the thermal conduction coupler includes a curing leveling foot having an adjustable length to control spacing between the reinforcement layer and the wireless battery charger prior to curing of pavement material comprising the rigid body.
14 . The roadway section of claim 1 , wherein the thermal conduction coupler includes a proximal end that is within one inch of the wireless battery charger.
15 . The roadway section of claim 1 , wherein the thermal conduction coupler includes a bar that contacts the reinforcement layer and one of the wireless battery chargers and is formed from thermally conductive material.
16 . The roadway section of claim 1 , wherein the thermal conduction coupler includes a woven wire mesh.
17 . The roadway section of claim 1 , wherein the thermal conduction coupler includes a curing leveling foot having a bolt component rotationally coupled to a nut component such that rotation of the bolt component, the nut component, or both adjusts a height of the curing leveling foot.
18 . A roadway section comprising:
a body of rigid pavement;
a plurality of wireless battery chargers embedded in the body, each wireless battery charger configured to induce an electrical charge on a battery of a vehicle traveling on the roadway section;
an upper reinforcement layer embedded in the body and positioned above the wireless battery chargers, the upper reinforcement layer formed from non-ferrous material and configured to provide structural integrity to the body;
a lower reinforcement layer embedded in the body and positioned below the wireless battery chargers, the lower reinforcement layer configured to provide structural integrity to the body;
a plurality of first rebar chairs embedded in the body, the first rebar chairs formed from non-ferrous material and configured to conductively transfer heat from the wireless battery chargers to the upper reinforcement layer; and
a plurality of second rebar chairs embedded in the body, the second rebar chairs configured to conductively transfer heat from the wireless battery chargers to the lower reinforcement layer.
19 . The roadway section of claim 18 , wherein each first rebar chair and each second rebar chair includes a base positioned in contact with a surface of a corresponding one of the wireless battery chargers.
20 . The roadway section of claim 18 , wherein
the upper reinforcement layer includes a grid of reinforcement bars,
each first rebar chair includes a rebar connector in contact with one or more of the reinforcement bars of the upper reinforcement layer,
the lower reinforcement layer includes a grid of reinforcement bars, and
each second rebar chair includes a rebar connector in contact with one or more of the reinforcement bars of the lower reinforcement layer.