JP2010089629A - Heating device for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an effective heating device for a vehicle from a head part to a shoulder part and to arms during driving. <P>SOLUTION: An upper body of a front seat occupant can be heated by radiation heat by disposing a plane heating body 2 in front of the head part according to physique of an occupant 5 of a ceiling surface 1. When the plane heating body 21 made low in heating density and the plane heating body 22 made high in heating density are disposed on just above of the head and at the outside of the just above of the head, respectively, unpleasant feeling of the radiation heat to the head part felt when a cabin temperature rises is eliminated, and a comfortable heating effect can be obtained in even limited electric capacity. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a heating device for a vehicle.

Conventionally, in this type of vehicle heating device, a planar electric heater is disposed along the surface of an interior member in a vehicle compartment, and heat radiation composed of a material having a high thermal emissivity is provided on the surface of the electric heater. The member is arranged. The heat radiating member is heated by the heat generated by the electric heater, and infrared rays are emitted from the surface of the heat radiating member. The interior member is at least one member of a lower part of the vehicle instrument panel located in the front part of the vehicle interior, a lower part of the side surface of the left and right doors in the vehicle interior, a left and right side part of the center console in the vehicle interior, and a rear part of the front seat member. (For example, refer to Patent Document 1).
JP 2005-212556 A

  However, in the above-described prior art, infrared rays radiated from the surface of the heat radiating member at the time of heating are irradiated only from the feet of the occupant to the trunk, so there is a problem that the shoulder from the head to the shoulder and the arm during driving are cold.

  In addition, there is a problem that sufficient heating cannot be performed for each because of the limitation of electric capacity in the vehicle.

  The present invention has been made in view of the above situation, and in order to obtain a comfortable heating effect even within a limited electric capacity, a vehicle heating device that can be heated from the head of a passenger to a shoulder opening and an arm during driving is provided. The purpose is to provide.

  In order to solve the above-mentioned conventional problems, a vehicle heating apparatus according to the present invention is a vehicle heating apparatus that heats the interior of a vehicle by disposing a planar heating element on an interior fitting in a vehicle interior, and has a ceiling surface. In the state where the planar heating element and the ceiling interior fitting are integrated, the upper surface of the passenger is heated in front of the head.

  In this vehicle heating device, a planar heating element can be arranged in front of the passenger's head in front of the passenger's head in accordance with the passenger.

  In this vehicle heating device, a sheet heating element with a low heat generation density can be arranged just above the head and a sheet heating element with a high heat generation density can be arranged on the outside just above the head in accordance with the passenger. And

  Further, in this vehicle heating device, two or more heat generation densities can be controlled so as to be divided into at least two of a sheet heating element directly above the head and a sheet heating element on the outside thereof according to the occupant. A planar heating element can be provided.

  In addition, in this vehicle heating device, several types of planar heat generation with different heat generation densities can be arranged in accordance with the occupant, so that a planar heating element with a lower heat generation density can be arranged according to the distance from the occupant. It can be selected and arranged from the body.

In addition, the amount of electric power supplied to the sheet heating element by the vehicle heating device is made lower as the vehicle interior temperature is higher according to the vehicle interior temperature.

  Further, the vehicle heating device is controlled so that at least the planar heating element directly above the head is not energized when the temperature in the passenger compartment rises to at least 25 ° C.

  In the vehicle heating apparatus of the present invention, the planar heating element is disposed in front of the head of the ceiling so as to be removable in a state where the planar heating element and the ceiling interior are integrated. Thus, a means for heating the upper surface portion of the occupant is provided, the occupant is heated quickly, the heating effect is promoted, and the attachment is easy.

  A first aspect of the present invention is a vehicle heating apparatus that heats the interior of a vehicle by disposing a planar heating element on an interior fitting in a vehicle interior, wherein the planar heating element and the ceiling are in front of the head of the ceiling surface. In an integrated state with the interior fitting, it is arranged so as to be removable and heats the upper surface of the occupant.

  The second invention is characterized in that it can be arranged in front of the occupant's head in accordance with the occupant.

  According to a third aspect of the present invention, a planar heating element having a low heat generation density can be disposed immediately above the head, and a planar heating element having a high heat generation density can be disposed directly above the head in accordance with the passenger. To do.

  According to a fourth aspect of the present invention, two or more planar heating elements are provided so that the heat generation density can be controlled separately for at least two of the planar heating element immediately above the head and the outer planar heating element according to the passenger. The body can be disposed.

  The fifth invention is selected from several types of planar heating elements with different heat generation densities so that a planar heating element with a lower heat generation density can be arranged according to the distance from the passenger according to the distance from the passenger. It can be arranged as a feature.

  The sixth invention is characterized in that the amount of electric power supplied to the sheet heating element is lowered as the vehicle interior temperature increases in accordance with the vehicle interior temperature.

  The seventh invention is characterized in that at least when the vehicle interior temperature rises to 25 ° C., control is performed so that at least the planar heating element directly above the head is not energized.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
A first embodiment of the present invention will be described with reference to FIGS.

  FIG. 1 is an external view of a vehicle heating apparatus according to a first embodiment of the present invention. In the figure, a sheet heating element 2 integrated with a ceiling interior fitting 3 is mounted on a ceiling surface 1 by a removable surface fastener 4 from the head of the occupant 5 seated on the seat to the shoulder opening, during driving. It can be easily arranged in accordance with the position facing the part on the arm.

With the above configuration, as shown in FIG. 2, the sheet heating element 2 is arranged in accordance with the body shape of the front seat occupant 5, and in accordance with the portion of the front seat occupant 5 from the head to the shoulder opening and the arm during driving. Thus, when the sheet heating element 2 is energized, the portion of the front seat occupant 5 from the head to the shoulder opening and the arm during driving can be heated by radiant heat. In particular, since the head is exposed without clothing, the radiant heating as described above is effective in the severe winter season.

  Although the hook-and-loop fastener 4 is used here, it is needless to say that any method can be used as long as it can be removed and aligned.

  Further, when the passenger compartment temperature rises due to heating, the radiant heat to the head becomes uncomfortable, so that the sheet heating element 21 having a low heat generation density just above the head according to the body shape and feeling of the occupant 5 is used. , And by disposing the planar heating element 22 with a higher heat generation density directly above the head, the discomfort can be eliminated, and the rising temperature at the start of head heating can be accelerated, A comfortable heating effect can be obtained even within a limited electric capacity.

  Also, a sheet heating element 2 integrated with several types of ceiling interior fittings 3 having different heat generation densities is produced, and heat is generated as the distance from the occupant 5 decreases according to the body shape and sense of the occupant 5. By disposing the planar heating element 2 with a reduced density, a temperature difference due to the distance from the ceiling 1 can be suppressed, and a comfortable heating effect can be obtained even within a limited electric capacity.

  In addition, the passenger | crew 5 with high seat height can acquire the comfortable heating effect by selecting and arrange | positioning the planar heating element 2 which made heat generation density lower than the passenger | crew 5 with low seat height.

  In addition, the pleasantness and discomfort of the head temperature varies greatly depending on the passenger compartment temperature. Therefore, a temperature sensor is provided in the passenger compartment to control the on / off interval of energization to the planar heating element 2 according to the passenger compartment temperature. The amount of power supplied to the sheet heating element 2 can be controlled in accordance with the temperature in the passenger compartment, so that comfortable heating can be achieved. An effect can be obtained.

  In addition, when energizing the sheet heating element 2 intermittently, the radiant heat is maintained by the heat capacity of the sheet heating element 2 and the interior tool 3 in contact with the sheet heating element even when the energization is turned off. Heating is possible while achieving both energy saving and comfort through intermittent energization.

  In addition, at least when the passenger compartment temperature rises to 25 ° C., at least the planar heating element 21 directly above the head is controlled not to be energized, so that the radiant heat to the head does not feel uncomfortable. A comfortable heating effect can be obtained even within a limited electric capacity.

  Moreover, it is good also as a structure which arrange | positions the planar heating element 2 in the ceiling surface 1 of a backseat, and can heat the part applied from the head of the backseat passenger | crew 5 to the shoulder opening.

(Embodiment 2)
A second embodiment of the present invention will be described with reference to FIG.

  FIG. 3 is an external view of a vehicle heating apparatus according to the second embodiment of the present invention. In the figure, a planar heating element 2 integrated with a ceiling interior 3 on a ceiling surface 1 is attached to the body of the occupant 5 in accordance with the body shape of the occupant 5 seated on the seat by a removable surface fastener 4. The planar heating element 2 can be easily disposed in a portion located in front of the head, avoiding directly above the head.

With the above configuration, it is possible to eliminate radiant heat to the head which becomes uncomfortable when the temperature in the passenger compartment increases due to heating, and a comfortable heating effect can be obtained even within a limited electric capacity. Although the hook-and-loop fastener 4 is used here, it is needless to say that the method can be removed and can be aligned.

  In addition, a planar heating element 2 integrated with several types of ceiling interior fittings 3 having different heat generation densities is manufactured, and the heat generation density decreases as the distance from the passenger 5 decreases according to the body shape of the passenger 5. By disposing the planar heating element 2, the temperature difference due to the distance from the ceiling 1 can be suppressed, and a comfortable heating effect can be obtained even within a limited electric capacity.

  In addition, since the comfort and discomfort of the temperature in the vicinity of the head greatly vary depending on the temperature in the vehicle interior, a temperature sensor is provided in the vehicle interior, and the on / off interval of energization to the planar heating element 2 is set according to the vehicle interior temperature. It is possible to control the amount of power supplied to the planar heating element 2 according to the vehicle interior temperature by controlling the power supply or controlling the power supply itself. A heating effect can be obtained.

  In addition, when energizing the sheet heating element 2 intermittently, the radiant heat is maintained by the heat capacity of the sheet heating element 2 and the interior tool 3 in contact with the sheet heating element even when the energization is turned off. Heating is possible while achieving both energy saving and comfort through intermittent energization.

  Moreover, it is good also as a structure which arrange | positions the planar heating element 2 in the ceiling surface 1 of a backseat, and can heat the part applied from the head of the backseat passenger | crew 5 to the shoulder opening.

  In the first and second embodiments, the planar heating element 2 integrated with the ceiling interior 3 is arranged on the ceiling surface 1. For example, another planar heating element 2 is mounted on the vehicle. Interior parts of the part in at least one part such as a lower part of a vehicle instrument panel located in the front part of the room, a lower part of the side face of the left and right doors in the passenger compartment, a right and left side part of the center console in the passenger compartment, and a rear part of the front seat member It is good also as a structure which is arrange | positioned integrally with 3 and heats the whole body by the radiant heat from the passenger | crew's 5 head to a foot | step by these planar heating elements 2, and a heating feeling further improves.

  Moreover, it is good also as a structure which controls energization to these planar heating elements 2 separately, or energizes by circulating in order for every fixed time, and heating becomes possible, balancing energy saving and comfort. Moreover, it is good also as a structure which controls electricity supply to the planar heat generating body 2 in steps from heating start to room temperature stability. For example, all the sheet heating elements 2 are energized for a certain period of time after the start of heating, and then each sheet heating element 2 is energized alternately for a certain period of time. As a result, when heating starts, all the sheet heating elements 2 are rapidly heated by radiant heat over the entire body of the occupant 5, and after the passenger compartment temperature rises, the sheet heating elements 2 are alternately energized for a certain period of time. Thus, a certain level of heating feeling can be maintained.

  Moreover, it is good also as a structure which performs combined heating with a car air conditioner and the planar heating element 2. FIG. In this case, for a certain period of time after the start of heating, the feet of the occupant 5 are mainly warmed with warm air by the car air conditioner, and the surface heating element 2 radiates heat from the head of the occupant 5 to the shoulder opening and the arm during driving. After the room temperature rises, a certain level of heating feeling can be maintained by turning off the energization of the planar heating element 2 or performing intermittent energization control.

  Further, the planar heating element 2 may have any configuration in which only the front seat is disposed, only the rear seat is disposed, and both are disposed.

  Further, in the sheet heating element 2 on the ceiling, the heat generation density is changed depending on the part to which the sheet heating element 2 is attached. For example, if a method such as disposing a planar heating element 2 having a high heat generation density on the side closer to the glass and a planar heating element 2 having a low heat generation density on the far side, heating can be performed efficiently.

  As described above, the vehicle heating apparatus according to the present invention can be deployed not only in the passenger compartment but also in various types of heating in various seats such as airplanes and theaters.

1 is an external view of a vehicle heating device according to a first embodiment of the present invention. External view when the sheet heating element 2 is energized in the embodiment of the present invention External view of the vehicle heating device in the second embodiment of the present invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Ceiling surface 2 Planar heating element 21 Planar heating element just above the head 22 Planar heating element outside just above the head 3 Interior tool 4 Hook fastener 5 Crew

Claims (7)

A heating device for a vehicle that heats the interior of a vehicle by disposing a planar heating element on an interior fixture in the vehicle interior, and the planar heating element and the ceiling interior fixture are integrated in front of the head of the ceiling surface. A vehicle heating device that is disposed so as to be removable in a state in which the upper surface of the passenger is heated. The heating apparatus for a vehicle according to claim 2, wherein the planar heating element can be disposed in front of an occupant's head in accordance with the occupant. The planar heating element can be arranged in accordance with an occupant, and a planar heating element having a reduced heat generation density can be disposed immediately above the head, and a planar heating element having a higher heating density can be disposed directly above the head. The vehicle heating device according to claim 1. Two or more planar heating elements are provided so that the heating density can be controlled by dividing the planar heating element into at least two of the planar heating element immediately above the head and the outer planar heating element according to the passenger. The vehicle heating device according to claim 1, wherein a body can be disposed. Select from several types of sheet heating elements with different heat generation density so that the sheet heating element can be arranged according to the occupant, and the sheet heating element with a lower heat generation density can be arranged according to the distance from the occupant. The vehicle heating device according to any one of claims 1 to 4, wherein the vehicle heating device can be disposed as a vehicle. 6. The vehicle heating apparatus according to claim 1, wherein the amount of electric power supplied to the planar heating element is lowered as the vehicle interior temperature is higher according to the vehicle interior temperature. The vehicle heating device according to claim 6, wherein at least when the temperature in the passenger compartment rises to 25 ° C, the sheet heating element directly above the head is controlled not to be energized.

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