摘要:
A heating apparatus is disclosed. The heating apparatus comprises a PTC heating element, a first electrode, a second electrode, a first protection layer, a second protection layer, a first interlayer, and a second interlayer. A hardness of the first protection layer is greater than that of the first interlayer. A hardness of the second protection layer is greater than that of the second interlayer.
摘要:
A heatable fluid bag, including a bag body, wherein a liquid inlet and power access port are formed in the bag body; the power access port is electrically connected with an electrical heating component installed in the bag body; the electrical heating component includes a metal ceramic heating sheet; the metal ceramic heating sheet is encapsulated in a metal protection shell composed of an upper and lower sheet; a connection base is connected to the upper sheet; a PVC protection shell is installed in the connection base; a power connector installation shell is installed in the PVC protection shell; a temperature control K301 switch, thermal fuse and power input socket are installed in the power connector installation shell; and a rotary upper cover is installed on the power input socket. The fluid bag is simple in structure, separates water and electricity, and is waterproof and insulating.
摘要:
A PTC heater having a heat conductor, a first end cover, a second end cover, and a PTC heating element. The heat conductor includes a duct for accommodating a PTC heating element, a first liquid passage channel, and a second liquid passage channel. The first end cover is coupled to one end of the heat conductor and includes a first and a second compartment, a water inlet, and a water outlet. The water inlet is in fluid communication with the first compartment and the first liquid passage channel, and the water outlet is in fluid communication with the second compartment and the second liquid passage channel. The second end cover is coupled to the other end of the heat conductor. The first and second liquid passage channels are in fluid communication with each other via an internal space of the second end cover to form a closed liquid circulation channel.
摘要:
The heat medium heating device includes: a casing in which the flat heat exchange tubes 12 and the PTC heater 13 are stacked in multiple layers and incorporated; and a control substrate of the PTC heater 13 incorporated in the casing. In the heat medium heating device in which a terminal 25A extending from each electrode plate 25 of the PTC heater 13 is directly connected to a connection portion of the control substrate, the width dimension of the flat heat exchange tubes 12 is greater than a contact surface width in a direction in which the terminal 25A extends from each electrode plate 25 in the PTC element 24 of the PTC heater 13, and the electrode plates 25 and the flat heat exchange tubes 12 excluding the PTC element 24 are superimposed in the wide portion.
摘要:
A PTC electric heating assembly, an electric heating device and an electric vehicle are provided. The PTC electric heating assembly (2) comprises two electrode plates (23) and a PTC heating module (20) disposed between the two electrode plates (23), and comprising an insulation fixing frame (22) and a plurality of PTC heating elements (21), the insulation fixing frame (22) defining a plurality of fixing units (220) and the PTC heating elements (21) being disposed into the fixing units (220) respectively.
摘要:
The invention under consideration relates to an electric heating device for heating a flowing medium with a housing, in which the at least one electric heating element of the electric heating device is held securely and fully shielded from the medium held in the circulation chamber by a separating wall that divides the housing into a heating chamber and a circulation chamber. The circulation chamber has inlet openings and outlet openings for introducing and removing, respectively, the medium. The heating element is preferably a PTC heating element and is held by means of a clamping force in a recess formed by the separating wall, said recess preferably projecting into the circulation chamber. The invention furthermore relates to a recuperator for converting electrical energy into thermal energy, particularly for an electric drive in a vehicle.
摘要:
An object is to provide a heat medium heating device capable of achieving closer contact between cooling plates without an increase in size thereof, and a vehicle air conditioning apparatus provided with the heat medium heating device. The heat medium heating device includes: electrode plates that are respectively stacked on at least both sides of a PTC element so as to sandwich the PTC element; a plurality of flat heat exchanger tubes (17) each including: an inlet header part (22) that supplies a heat medium; an outlet header part (23) that discharges the heat medium; and a hermetic member provided in each of the inlet header part (22) and the outlet header part (23), the heat exchanger tubes (17) being stacked so as to be parallel to each other with the electrode plates being sandwiched therebetween and exchanging heat with the electrode plates; a substrate that is provided on one side of the plurality of the stacked heat exchanger tubes (17) and is connected to the electrode plates; a heat generating element connected to the substrate; a plate-shaped pressing member (16) that is connected to another side of the substrate and presses the plurality of the stacked heat exchanger tubes (17); and a casing (11) that houses the electrode plates, the heat exchanger tubes (17), the substrate, the pressing member (16), and the heat generating element.
摘要:
An electrical heating device includes a housing which encloses a circulation chamber through which a medium can flow and in which heating ribs protrude. The heating ribs are in thermally conducting contact with at least one PTC heating element. A control device is provided in a constructional unit with at least one assembled conductor board. The constructional unit is accommodated in a control housing that comprises a control housing cover and a control housing frame. The control housing frame circumferentially surrounds the assembled conductor board and is formed from a metallic material. During the installation of the control housing on the housing, a control element, producing a power loss, is held by the assembled conductor board and is placed in abutment with a cooling element formed on the housing.
摘要:
The invention refers to a vehicular fluid heater. The invention particularly refers to an automotive water heater comprising at least one heat exchanger (8), at least one electrically operated heating unit (9) and at least one control unit for controlling power supply to the heating unit (9), the heat exchanger (8) comprising at least one thermally conductive body defining at least one fluid channel (15) for the fluid to be heated, the heating unit (9) being attached to a heat conductive surface of the heat exchanger (8). The vehicular fluid heater according to the invention has a control unit which is thermally connected to the heat exchanger (8) by a thermally conducting metal strip (30).
摘要:
A device for preventing initial hot water from being discharged from a double pipe heat exchanger and a method of controlling the same, which can temporarily mix cold water with hot water so as to decrease the temperature of the discharged hot water when the high temperature water is initially discharged from the double pipe heat exchanger.