Denso Corporation

Kimitake Ishikawa

Hideki Seki

Hiroyasu Oide

Hideaki Kako

Yusuke Tanaka

Yasuhiro Sagou

Akira Oga

Hiroyuki Sakane

Hiroshi Takeda

Takuya Kataoka

Masatoshi Nakashima

Manabu Maeda

Koji Ota

Toshinori Ochiai

Kouji Kondoh

Yuusuke Tanaka

Kazuo Tada

Hirokazu Yamadaki

Shuji Ito

Asami Okamoto

Shiro Bando

Masataka Kinoshita

Masaaki Inoguchi

Asami Takahashi

Yasuhiro Sago

Yoshinobu Sumida

Hidenori Arai

A heater device includes a heat generating part that generates heat by energization, and a detection unit. The detection unit detects whether or not a distance between an object around the heat generating part and the heat generating part is equal to or less than a first detection distance with a first detection sensitivity, and whether or not the distance between the object around the heat generating part and the heat generating part is equal to or less than a second detection distance shorter than the first detection distance with a second detection sensitivity that is less sensitive than the first detection sensitivity.

Heater device

A heater device includes a first detection pattern that is arranged on an insulating substrate and detects a change in capacitance between a first transmitting electrode and a first receiving electrode for detecting an object, a second detection pattern that is arranged on the insulating substrate and detects the change in capacitance between a second transmitting electrode and a second receiving electrode for detecting the object, a capacitance determination unit that determines whether one of the change in capacitance between the first transmitting electrode and the first receiving electrode and the change in capacitance between the second transmitting electrode and the second receiving electrode is equal to or higher than a first threshold value and the other is lower than a second threshold value, and a disconnection determination unit that determines a disconnection in the first or the second detection pattern, when result of the capacitance determination unit is positive.

A heater device for heating an user's body seated on a seat includes a heat generating portion that is arranged in a recess recessed from a surface of the seat, and generates heat by energization, a distance detection unit that detects a distance between an object around the heat generating portion and the heat generating portion, and a control unit that controls energization of the heat generating portion. A first control portion controls energization amount of the heat generating portion so that the output of the heat generating portion becomes equal to or higher than a predetermined output, when the distance is longer than an offset distance between the heat generating portion and the surface of the seat. A second control portion controls the energization amount so that the output becomes less than the predetermined output, when the distance is equal to or less than the offset distance.

A heater device includes a contact determination unit for determining contact or non-contact of an object based on a change in capacitance between a plurality of electrodes. The contact determination unit is configured to determine (i) the contact of the object in response to a determination that the change in capacitance between the plurality of electrodes per predetermined unit time is a change in one direction and equal to or larger than a first determination threshold value. The contact determination unit is configured to determine (ii) the non-contact of the object in response to a determination that the change in capacitance between the plurality of electrodes per predetermined unit time is a change in a direction opposite to the one direction and equal to or larger than a second determination threshold value.

A heater control device controls an electric heater which includes a plurality of heat generating portions. The heater control device determines whether a total energization current value, which is a current value to be supplied to the electric heater when all of the plurality of heat generating portions are energizable, exceeds a predetermined current limit value. The heater control device is configured to, when it is determined that the total energization current value exceeds the current limit value, energize the electric heater while switching, among any or all of the plurality of heat generating portions, those to be turned to a non-energizable off state.

Heater control device

A heater device includes a heat generation layer that has a heat generation portion configured to generate heat when energized, a pair of electrodes disposed on one side of the heat generation layer and being spaced from each other, a detection portion configured to generate an electric field between the pair of electrodes and detect an object around the pair of electrodes, and a controller configured to control the amount of electric power supplied to the heat generation portion based on a detection result by the detection portion.

A radiant heater device for generating a radiant heat, includes a substrate portion having a plate shape and made of an electrically insulating material, a surface member having a sheet shape and disposed on one surface side of the substrate portion, and a heat generation portion formed on the other surface side of the substrate portion. The surface member is formed of a fiber fabric that is provided with a space portion recessed toward the substrate portion in a thickness direction of the surface member and that restricts a heat transfer in a surface direction of the surface member by the space portion.

Radiant heater device

A heater device for warming a user has a heater panel including a planar heating element which generates heat by energization, a first heat radiation surface formed on one surface side of the heating element, and a second heat radiation surface formed on the other surface side of the heating element. The temperature of the first heat radiation surface is higher than the temperature of the second heat radiation surface. In the heater panel, the first heat radiation surface is configured as a non-contact heater that warms the user in a non-contact manner, and the second heat radiation surface is configured as a contact heater that warms the user in a contact manner.

The air-conditioning control device is configured to control an air conditioner for a vehicle having a radiant heater and to output a cancel signal that allows an engine, which has been stopped in response to an idling stop control, to restart. The radiant heater is configured to generate radiant heat to heat an occupant in a compartment of the vehicle. The air conditioner is configured to heat an interior of the compartment using engine cooling water. The air-conditioning control device stops the engine in response to the idling stop control. The air-conditioning control device outputs a cancel signal allowing the engine to restart following the engine having been stopped such that an idling stop time is longer when the radiant heater is operated than when the radiant heater is not operated.

Vehicle control system with idling stop control

The heater device has a sheet shaped main body having a heat generating portion heated by energization and a radiating surface for radiating radiant heat toward a heating object by using heat in the heat generating portion, a plate shaped member arranged on an opposite side with respect to the radiating surface of the main body, and an air layer forming member for forming an air layer between the main body and the plate shaped member arranged on a side opposite to the radiating surface of the main body.

The heater device is provided with a heater main body, and radiates radiant heat from the heater main body toward an object. The heater main body includes a sheet-like heat generating layer that generates heat and radiates the radiant heat, and a sheet-like heat insulating layer that is disposed on the side opposite to the object of the heat generating layer. The heat insulating layer has a sheet-like first layer having voids and a sheet-like second layer having voids arranged side by side in a thickness direction of the heat insulating layer with respect to the first layer. A porosity of the second layer is higher than that of the first layer.

A heating apparatus has a heater body and a heater case. The heater body has a heat generator and emits heat supplied from the heat generator. The heat generator generates the heat when being energized. The heater case houses the heater body and is arranged on a side of an air-bag device for a vehicle adjacent to a vehicle compartment. The heater case is attached to an interior member located in the vehicle compartment or is a part of the interior member. The heater case has an expansion permissive portion that permits the air-bag device to expand into the vehicle compartment. The heat generator includes a portion located at a position corresponding to the expansion permissive portion. The heater body has a low strength portion that has a low strength as compared to the portion of the heat generator and that is located outside the expansion permissive portion.

Heating apparatus

A heater device has a heater body and a heater case. The heater body has a heat generating part generating heat and radiates the heat supplied from the heat generating part. The heater case is attached to an interior member provided in an interior and houses the heater body, such that an interior-side surface of the heater body is located on a back side of the interior member. The heater case is provided with a ventilation passage through which a space outside the heater case located on the back side of the interior member communicates with the interior-side surface of the heater body.

Heating device

A heater device includes: a distance specifying portion that specifies a distance between a sensing subject, i.e., an occupant and a heater main body as a sensed distance; and a moving mechanism that moves the heater main body. The heater device further includes a heater position control portion that controls the moving mechanism such that the distance between the sensing subject, i.e., the occupant and the heater main body is adjusted to a target distance based on the sensed distance, which is specified by the distance specifying portion.

A heating system for a vehicle includes: a heater for non-contact heating that emits radiation heat by heat supplied from its heat generating part, which generates heat upon energization, to give warmth to an occupant in a state where a body of the occupant is not in contact with the heater; a heater for contact heating that generates heat upon energization to give warmth to the occupant in a state where the body of the occupant is in contact with the heater; and a control device that controls operations of the heater for contact heating and the heater for non-contact heating. The control device adjusts a heating output provided by the heater for contact heating and a heating output provided by the heater for non-contact heating, and controls the operations. Therefore, the occupant can enjoy a sense of heating that is not stereotypical, and achieve energy saving.

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Kariya, Japan

Kimitake Ishikawa