JPH04197871A - Heating apparatus for vehicle - Google Patents

Abstract

PURPOSE:To enhance the heating effect by providing a transfer pipe one end opening of which is communicated with the interior of a vessel having an operating fluid sealed therein and the other end portion of which is disposed at the back of a back supporter of a passenger's seat, and heating/warming the back supporter by use of steam obtained by heating of the operating fluid. CONSTITUTION:The heating apparatus for vehicle has a heater means 4 longitudinally extended under a passenger's seat 3, which heater means 4 has a reflection plate 8 in which are supported heat generators 9 each consisting of a sheathed wire. In this heating apparatus, a vessel 10 having an operating fluid 11 such as water or ammonia sealed therein is disposed in a space at the back of the heater means 4 under the passenger's seat 3. Further, there are provided a transfer pipe 12 having one end portion 12a whose opening is communicated with an upper space portion of the vessel 10 interior, and the other end portion 12b disposed at the back of a back supporter portion 3a, and a sheathed wire heater 13 whose heat generation portion is immersed in the operating fluid 11 in the vessel 10 for direct heating thereof. Electricity is supplied to the heat generator 13 whose heat generation heats and vaporizes the operating fluid 11 in the vessel 10 to heat and warm the back supporter portion 3a via the transfer pipe 12.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a heating device for a vehicle such as a commuter train.

[Conventional technology]

Figures 5 and 6 are based on Japanese Patent Application Publication No. 59-179112.
This figure shows the conventional heating system for vehicles such as commuter trains as shown in the publication, and in these figures, (1) shows the body of the commuter train, (2) shows the vehicle door, and (3) shows the vehicle body. door (2)
The seats are provided between the two, with (3a) being a backrest and (3b) being a seating part. (4) is a heating means disposed extending over the entire length in the longitudinal direction below each seat (3), (5) is a riser board that is slightly inclined inward, and (6) is a riser board. (5) is a large number of ventilation holes formed in the vehicle floor, (8) is a reflector with a substantially U-shaped cross section, and (9) is a sheath line supported within the reflector (8). The reflecting plate (8) and the heating element (9) constitute a heating means (4).

Next, the operation will be explained. The inside of the car is heated using heating means (4
). That is, heat is transferred to the inside of the car through the ventilation hole (6) of the riser (5) by radiation from the heating element (9) made of a sheathed wire and convection by the reflector (8), thereby heating the inside of the car.

[Invention or problem to be solved]

Since the conventional vehicle heating system is configured as described above, the hot air coming out of the air vents (6) of the risers (5) is dispersed in any direction without any directionality.
), it is not possible to directly heat the passengers seated in the vehicle, and the heating effect is small compared to the heating capacity, causing discomfort and disturbance to the passengers.

This invention was made in order to solve the above-mentioned problems, and aims to provide a more efficient vehicle heating system by directly applying the heating effect to the passengers seated on the seats. shall be.

[Means to solve the problem]

The heating device for a vehicle according to the present invention is arranged below a seat provided between the doors of a vehicle, and has a container body in which a working fluid is sealed, and an open end on one side that communicates with the container body and the other side. A transmission pipe placed on the side, the backrest of the seat, or the seating area, and a heat generating part on one side or a sheath wire that penetrates one side wall of the container body and is immersed in the working fluid in the container body to heat the working fluid. A heating element is provided.

In addition, another invention is arranged close to the heating means installed below the seat on one side, and on the backrest or seating part of the seat on the other side, to absorb the heat of the heating means. A heat pipe is provided for transmitting heat from one side to the other side.

[For production]

The heating device for a vehicle according to the present invention directly heats the working fluid in the container body disposed below the seat by the heating part of the sheathed wire heating element that penetrates one side wall of the container body and is immersed in the working fluid. As a result, the working fluid is vaporized, absorbs the heat of the sheathed wire heating element as latent heat of vaporization, and transfers heat from one side of the transfer pipe to the other side of the transfer pipe, and the backrest or seating area of the seat located on the other side of the transfer pipe. Warm up.

In addition, another invention absorbs the heat of the heating means on one side of a heat pipe placed close to the heating means, and transfers the heat from one side of the heat pipe to the other side of the heat pipe, thereby creating a beat pipe. The backrest or seating area of the seat located on the other side is heated.

〔Example〕

An embodiment of the present invention will be described below with reference to FIG. In the figure, (1) to (9) are similar to the configuration of the conventional device described above. (10) is arranged in the space behind the heating means (4) below the seat (3), and contains water, for example, inside the heating means (4).
A container body sealed with a working fluid (11) such as ammonia,
(12) is the open end of one side (12a) or the container body (10)
The other side (12b) is below the seat (3) and connected to the rear part of the backrest (3a) of the seat (3). The arranged transmission pipe (13) has a heat generating part on one side as a container body (lO)
the working fluid (11) in the container body (10) through the side wall of the
It is a sheathed wire heating element that is immersed therein and directly heats the working fluid (11).

Next, the operation will be explained. The interior of the vehicle is heated by operating the heating means (4). The sheathed wire heating element (13) is immersed in the working fluid (11) in the container body (10).
), the heating part of the sheathed wire heating element generates heat. Due to this heat generation, the working fluid (1
1) is directly heated and vaporized, forming a sheathed wire heating element (13
) is transferred to the transfer tube (12) by taking away the heat from the heat generating part as latent heat of vaporization.
from the open end of one side (12a) of the transmission pipe (12) to the other side (12b) of the transmission pipe (I2).

The steam of the working fluid (11) that has moved to the other side (12b) of the transmission pipe (12) is placed on the other side (12b) of the transmission pipe (12) than the temperature of the heat generating part of the sheathed wire heating element (13). Since the temperature of the backrest part (3a) of the seat sheet (3) is lower, it condenses and liquefies, and radiates the latent heat of condensation to the rear part of the backrest part (3a) of the seat seat (3). 3a) Warm. The condensed and liquefied working fluid (11) is transferred to the transmission pipe (12
) and flows back into the container body (10) from the open end on the negative side (12a) of the transmission pipe (12) by gravity.

Due to the natural repetition of evaporation, condensation and liquefaction of the working fluid (11) as described above, the heat of the sheathed wire heating element (13) is passed through the other side (12b) of the transfer pipe (12) at high speed to the seat notebook ( The heat is transmitted to the backrest part (3a) of 3) to warm the backs of the passengers sitting on the seat notebook (3), thereby making it possible to perform efficient heating.

Moreover, as shown in FIG. 2, the other side of the transmission pipe (12) (
+2b) is arranged on the lower surface of the seating part (3b) of the seat (3), and the heat of the sheathed wire heating element (I3) is transferred to the seating part (
3b) to warm the legs and buttocks of the passenger seated on the seat (3), making it possible to perform efficient heating.

In the above embodiment, the backrest portion (3a) of the seat (3)
), and the case where the seating area (3b) is heated separately.
3a) and the seating part (3b), and the backrest part (3b).
It is possible to heat both the passenger's back, legs, and buttocks by heating both the seating area (3b) and the seat area (3b), and more efficient heating can be achieved.

Also, not shown, the other side (12b) of the transmission pipe (12)
) A temperature sensor is placed nearby, and when the temperature exceeds a certain level,
By controlling the power of the sheathed wire heating element (13) to be turned off or by reducing its heating capacity, it is possible to warm the passenger's back, legs, and buttocks at a predetermined temperature. Furthermore, the heating capacity of the sheathed wire heating element (13) can be controlled in accordance with the temperature inside the vehicle to provide comfortable heating.

Furthermore, there is another invention shown in FIG.

In FIG. 3, (14) is placed close to the heating means (4) installed on one side (14a) or below the seat sheet (3), for example, in contact with the back surface of the reflector plate (8), and on the other side ( 1
The heating means (4b) is arranged at the rear of the backrest (3a) of the seat (3), and a working fluid such as water or ammonia is sealed inside, and the heating means (4 ) heat from the reflector (8) on one side (+4a)
It is a heat pipe that transmits from the side to the other side (14b),
A plurality of seats are arranged at appropriate intervals in the longitudinal direction of the seat (3).

In FIG. 3, the reflection plate (8) itself is heated by the radiation from the heating element (9) of the heating means (4) and becomes at a high temperature.

The heat of this reflecting plate (8) is absorbed by one side (14a) of a heat pipe (14) placed in contact with the back surface of the reflecting plate (8). The absorbed heat heats and vaporizes the working fluid sealed inside, removes the heat from the reflecting plate (8) as latent heat of vaporization, and moves through the heat pipe (14) to the other side (14b). The vapor of the working fluid that has moved to the other side (14b) of the heat pipe (I4) is transferred to the other side (14b) of the heat pipe (I4).
b) Since the temperature is lower than that of the seat sheet (the rear part of the button backrest part (3a) or the reflector plate (8)), it condenses and liquefies.
The latent heat of condensation is released to the rear part of the backrest (3a) to heat the backrest (3a). The condensed and liquefied working fluid flows along the inner wall surface of the heat pipe (14) and flows back to one side (14a) of the heat pipe (14). By repeating this natural movement of the heat pipe (14), the reflector (8)
) can be transferred to the backrest (3a) of the seat (3) to warm it, thereby warming the backs of passengers sitting on the seat (3) without the need for other heat sources. Can provide efficient heating.

Further, as shown in Fig. 4, the other side (+4b) of the heat pipe (14) is arranged on the lower surface of the seating section (3b) of the seat sheet (3), and the heat of the reflector (8) is transferred to the seating section. (3b) and heats the legs and buttocks of the passenger seated on the seat (3), making it possible to perform efficient heating. Also, the other side of the heat pipe (14) (
14b) is placed on both the button backrest (3a) and the seating area (3b), and the backrest (3a) and the seating area (
3b), the passenger's back, legs, and buttocks can be warmed at the same time, resulting in more efficient heating.

In addition, in the above embodiment, one side of the heat pipe (14) (
14a) The case where the heat pipe (14) is placed in contact with the back surface of the reflection plate (8) of the heating means (4) is described above.
One side (14a) of the can be placed inside the reflecting plate (8), or it can be placed close to the heating element (9), in other words, it can be placed near the heating means (4) to dissipate the heat. It is only necessary to configure the structure so as to absorb it, and the same effect as the above embodiment can be achieved.

〔Effect of the invention〕

As explained above, this invention is provided with a container body which is disposed below the seat and has a working fluid sealed therein, and the heat generating part on one side penetrates one side wall of the container body and enters the working fluid inside the container body. The working fluid is directly heated and vaporized by the immersed sheathed wire heating element, and the heat of the sheathed wire heating element is taken away as latent heat of vaporization and transferred from one side of the transmission pipe to the other side of the transmission pipe. Since the backrest or seat area of the seat notebook is heated, it is possible to warm the passengers seated on the seat, allowing them to commute under comfortable heating, which has high practical value. You can get a heating system for your vehicle.

In addition, another invention absorbs the heat of the heating means on one side of a heat pipe placed near the heating means, transmits the heat from one side of the heat pipe to the other side, and transfers the heat to the other side of the heat pipe. Since the backrest or seating area of the seat located in the seat is heated, passengers seated on the seat can be warmed, allowing them to commute to work etc. under comfortable heating, which has practical value. It is possible to obtain an expensive vehicle heating system.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view showing a vehicle heating system according to one embodiment of the present invention, FIG. 2 is a cross-sectional view showing a vehicle heating system according to another embodiment of the present invention, and FIG. 3 is a cross-sectional view showing a vehicle heating system according to another embodiment of the invention. 4 is a cross-sectional view showing a vehicle heating device according to another embodiment of the invention; FIG. 5 is a front view showing a conventional vehicle heating device; FIG. FIG. 6 is a cross-sectional view taken along the line ■-VI in FIG. 5. In the figure, (10) is a container body, (11) is a working fluid,
(12) is a transmission pipe, (13) is a sheathed wire heating element, (14)
) is a heat pipe, (14a) is one side, and (14b) is the other side. Note that the same reference numerals in the figures indicate the same or corresponding parts. Agent Masuo Oiwa Figure 1 Figure 2 V qgt Figure 3

Claims (2)

[Claims] (1) A heating means installed below the seat provided between the doors of the vehicle, a container body placed below the seat and filled with working fluid, and an open end on one side. A transmission pipe communicating with the container body and having the other side disposed in the backrest portion of the seat sheet or the seating portion of the seat sheet, and a heat generating portion on one side penetrating one side wall of the container body, A heating device for a vehicle, comprising: a sheathed wire heating element that is immersed in a working fluid and heats the working fluid. (2) A heating means installed below the seat provided between the doors of the vehicle, one side of which is placed close to the heating means, and the other side of which is placed on the backrest of the seat or the seat of the seat. 1. A heating device for a vehicle, comprising: a heat pipe disposed in the heating section for transmitting the heat of the heating means from one side to the other side.