Heat exchanger and temperature-control device

Abstract

In order to improve the efficiency of energy transmission, a device for temperature control and a heat exchanger is characterized in that the heat exchanger is embodied as a plastic heat exchanger ( 1 ), that the energy transmission bodies ( 10.1, . . . 10 .n) comprise first sectional hollow body members ( 11.1, . . . , 11 .n) made of a conducting plastic material with a thermal conductivity (λ) of approximately 1.0 to 50.0 [W/(mK)] and are arranged on the second sectional hollow body members ( 12.1, . . . , 12 .n) of a plastic material with a thermal conductivity (λ) of approximately 0.001 to 1.0 [W/(mK)], that the first sectional hollow body members ( 11.1, . . . , 11 .n) are enclosed by an energy conductor ( 13 ) composed of a further conducting plastic material with a thermal conductivity (λ) of approximately 1.0 to 50.0 [W/(mK)], and that a heat insulating body member ( 14 ) composed of an insulating plastic material is arranged on the second sectional hollow body members ( 12.1, . . . 12 .n).

1 . A plastics heat exchanger with a heat-conducting body element and a heat-insulating body element, wherein the heat-conducting body element has greater heat conductivity than the heat-insulating body element, and wherein one or more energy transmission bodies for the passage of an energy transmission medium are formed between the heat-conducting body element and the heat-insulating body element, wherein the heat-conducting body element contains a plastics material having anisotropic heat conductivity, wherein the heat conductivity of the plastics material is increased in a preferred direction, and wherein at least two of the energy transmission bodies, which are spaced apart from each other and run transversely with respect to the preferred direction, are formed between the heat-conducting body element and the heat-insulating body element. 
     
     
         2 . The plastics heat exchanger as claimed in  claim 1 , wherein the heat-conducting body element and the heat-insulating body element are connected to each other in a form-fitting and/or integrally bonded manner in order to form an outer housing shape of the plastics heat exchanger. 
     
     
         3 . The plastics heat exchanger as claimed in  claim 1 , wherein the heat-conducting body element and the heat-insulating body element are composed of identical or different plastics materials. 
     
     
         4 . The plastics heat exchanger as claimed in  claim 1 , wherein the plastics material of the heat-conducting body element contains a nanoscale filler, in particular carbon nanotubes. 
     
     
         5 . The plastics heat exchanger as claimed in  claim 4 , wherein the energy transmission bodies are arranged perpendicularly to the preferred direction. 
     
     
         6 . The plastics heat exchanger as claimed in  claim 4 , wherein the energy transmission bodies are arranged next to one another under a front side of the heat-conducting body element. 
     
     
         7 . The plastics heat exchanger as claimed in  claim 6 , wherein a panel element made of metal or plastics material or of a different material, such as wood, fleece, or wallpaper is located on the front side. 
     
     
         8 . A temperature-control device with at least one plastics heat exchanger as claimed in  claim 1  having at least one of the energy transmission bodies characterized
 in that the energy transmission bodies consist of first partial-body hollow elements made of a conductive plastics material having heat conductivity of approximately 1.0 to 50.0 (W/(mK)), on which second partial-body hollow elements made of a plastics material having heat conductivity of approximately 0.001 to 1.0 (W/(mK)) are arranged, 
 in that the first partial-body hollow elements are enclosed by an energy-conducting body made of a further conductive plastics material having heat conductivity of approximately 1.0 to 50.0 (W/(mK)), and 
 in that a heat-insulating body element made of an insulating plastics material having heat conductivity of approximately 0.001 to 1.0 (W/(mK)) is arranged on the second partial-body hollow elements. 
 
     
     
         9 . The device as claimed in  claim 8 , wherein the plastics heat exchanger is of modular design. 
     
     
         10 . A heat exchanger as claimed in  claim 1 , having at least one energy transmission body through which an energy transmission medium is conducted, wherein the energy transmission bodies consist of first partial-body hollow elements made of a conductive plastics material having heat conductivity of approximately 1.0 to 50.0 (W/(mK)), on which second partial-body hollow elements made of a plastics material having heat conductivity of approximately 0.001 to 1.0 (W/(mK)) are arranged. 
     
     
         11 . The heat exchanger as claimed in  claim 10 , wherein a heat-insulating body element made of an insulating plastics material having heat conductivity of approximately 0.001 to 1.0 (W/(mK)) is arranged on the second partial-body hollow elements. 
     
     
         12 . The heat exchanger as claimed in  claim 10 , wherein an energy-conducting body made of a further conductive plastics material having heat conductivity of approximately 1.0 to 50.0 (W/(mK)) is at least partially arranged on the first partial-body hollow elements. 
     
     
         13 . The device as claimed in  claim 8 , wherein an insulating-body element made of a further insulating plastics material having heat conductivity of approximately 0.001 to 0.3 (W/(mK)) is arranged on the heat-insulating body element. 
     
     
         14 . The device as claimed in  claim 8 , wherein the first partial-body hollow elements and the energy-conducting body are composed of a conductive plastics material of identical heat conductivity. 
     
     
         15 . The device as claimed in  claim 8 , wherein a panel element is arranged on the energy-conducting body. 
     
     
         16 . The device as claimed in  claim 8 , wherein the first partial-body hollow elements are of partially rectangular design in cross section. 
     
     
         17 . The device as claimed in  claim 8 , wherein the second partial-body hollow elements are of
 partially rectangular,   partially ellipsoidal,   triangular and/or   trapezoidal   
       design in cross section. 
     
     
         18 . The heat exchanger as claimed in  claim 7 , wherein the panel element is composed of a plastics material, or a metal. 
     
     
         19 . The heat exchanger as claimed in  claim 1 , wherein the plastics material is a thermoplastic material, in particular polystyrene, a polystyrene blend, a polyolefin, a polyester, a polyamide, or a biodegradable plastics material. 
     
     
         20 . The device as claimed in  claim 8 , wherein the insulating plastics material is a plastics material which is foamed with air, CO2 or similar gas. 
     
     
         21 . The device as claimed in  claim 8 , wherein the conductive and the further conductive plastics material is a plastics material which is filled with metal powder, ceramic powder, graphite, aluminum oxide, boron nitride, metal fibers and/or nanomaterials. 
     
     
         22 . The device as claimed in  claim 21 , wherein the metal powder is an aluminum powder, copper powder or similar powder. 
     
     
         23 . The device as claimed in  claim 21 , wherein the ceramic powder is a BN powder, Al2O3 powder, a silicate powder or another organic powder. 
     
     
         24 . A method for producing a heat exchanger having at least one energy transmission body through which an energy transmission medium is conducted, characterized by use of a plastics composite such that the energy transmission bodies are formed with first partial-body hollow elements made of a conductive plastics material having heat conductivity of approximately 1.0 to 50.0 (W/(mK)), on which second partial-body hollow elements made of a plastics material having heat conductivity of approximately 0.001 to 1.0 (W/(mK)) are formed. 
     
     
         25 . The method as claimed in  claim 24 , wherein an energy-conducting body made of a further conductive plastics material having heat conductivity of approximately 1.0 to 50.0 (W/(mK)) is integrally formed on the first partial-body hollow elements. 
     
     
         26 . The method as claimed in  claim 24 , wherein, the first partial-body hollow elements and the energy-conducting body are formed from a conductive plastics material having heat conductivity. 
     
     
         27 . The method as claimed in  claim 24 , wherein the first partial-body hollow elements, the energy-conducting body and a panel element are formed as a multi-layered composite.