JP2002127795A - Child seat with air-conditioning function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inexpensive child seat, which maintains a comfortable ambient temperature and humidity for a baby so that the safety and comfort of the baby in a car is achieved. SOLUTION: The child seat comprises a backrest-attached chair 10, a means 100 for restricting a seated baby to the chair, a device 20 for regulating the temperature of gas into a prescribed temperature, a duct extended from the temperature-regulating device 20, and a first blow-off hole 40, 41 and 42, each connected to the duct and provided on a plurality of parts of the surface member of the backrest-attached chair. The restricting means 100 includes a lower belt 110, an upper belt 120, and a buckle 130 connecting the lower belt to the upper belt, wherein second blow-off holes are provided on at least a part of the lower belt and the buckle, so that the temperature-regulated gas from the temperature-regulating device is supplied from the first blow-off holes and the second blow-off holes. Thus the temperature-regulated gas is supplied to the belly position of the child seat where gas permeability is low, so that the seated baby perspires less and feels comfortable.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a retrofit type child seat mounted on a vehicle seat via a seat belt or the like, and more particularly to a child seat having an air conditioning function.

[0002]

2. Description of the Related Art A child seat for an automobile includes a backrest chair adapted to the size and shape of the baby's body, and restraint means for restraining the seated infant to the backrest chair. It is used by attaching it to a seat with a seat belt or the like.

A backrest chair includes a seating portion on which an infant sits, a backrest portion for holding the head and upper body of the occupant, and a side wall portion for holding side portions of the occupant. The lower belt member extending the crotch position of the occupant, the upper belt member having an adjustable length extending the shoulder position of the occupant, and connecting and fixing these belt members at the abdomen position of the occupant. And a buckle portion. Then, after the infant is seated on the backrest chair, the upper belt portion and the lower belt portion are connected via the buckle portion at the front abdominal position of the infant, whereby the infant is restrained by the backrest chair with a large contact area. Therefore, safety when riding in a car is ensured.

[0004]

However, for the purpose of stably holding the baby, most of the body surface of the baby is surrounded by the seat surface member of the backrest and the restraining means, especially in summer. In a drive, it has been difficult to maintain the body surface of an infant at a comfortable temperature even if the temperature inside the vehicle is adjusted by an on-vehicle air conditioner.

As a method for solving such a problem,
JP-A-10-100762 and JP-A-11-347
In Japanese Patent Publication No. 05, the sheet surface member in contact with the body surface is
There has been proposed a child seat made of a cloth material having good air permeability or a porous pad material. Although a certain degree of comfort can be obtained because the breathability is ensured by devising the seat material of the backrest chair, it is far from the comfort of adults in passengers with a relatively small restraint. In addition, since the density of sweat glands on the body surface of infants and infants is higher than that of adults, the amount of sweating is large when exhaust air of an air conditioner adjusted for adults is supplied, which causes discomfort due to sweat rash and discomfort. In particular, when the child seat is installed in the rear seat where the airflow from the air conditioner is not sufficiently reached, the above-mentioned inconvenience is remarkable.

On the other hand, Japanese Patent Laid-Open No. 100-922 discloses that
An air conditioner for a vehicle seat using a Peltier element is disclosed. Such an air conditioner is disposed in a space below a driver's seat of an automobile, and is configured by arranging heat exchangers for heat absorption and heat radiation on the front and back surfaces of a plate-shaped Peltier element, respectively. The configuration is such that cold air is conveyed through a duct and supplied to the back of the seated person from a plurality of outlets formed in the seat back.

However, the heat exchanger for heat radiation of this air conditioner has a structure in which a heat radiation plate is disposed in contact with the bottom of the vehicle body and cooling water is circulated around the heat radiation plate. In most cases, large-scale modification of the interior of the vehicle was necessary to attach it to an existing car. Therefore, it has been difficult to apply such an air conditioner to a child seat that needs to be replaced or removed according to the growth condition of the infant.

Although it is possible to use a ventilation duct or a refrigerant pipe of an existing air conditioner for an automobile, it is difficult to obtain a sufficient effect if the position of the child seat is far from the exhaust port of the air conditioner. The route becomes complicated, resulting in an increase in cost and a failure factor, and a space for installing piping is required, so that there is a disadvantage that a boarding space becomes narrow.

Accordingly, the present invention provides an inexpensive method for realizing safety and comfort when an infant rides in a car by maintaining the temperature around the infant (or humidity or air volume in addition thereto) in a comfortable state. The purpose of the present invention is to provide a comfortable child seat.

[0010]

According to a first aspect of the present invention, there is provided a child seat with an air-conditioning function, comprising: a backrest chair on which an infant sits; and a seat extended from the backrest chair, and seated on the backrest chair. A restraint means for restraining the child seat, the child seat being retrofitted to a seat of an automobile, a temperature control device for controlling gas to a predetermined temperature, a duct extending from the temperature control device, And a blow-out hole connected to a duct and provided at a portion facing the seat back and / or one of the restraining means.

According to a second aspect of the present invention, in the child seat with an air conditioning function, a plurality of first blowing holes are provided on a surface member of the backrest chair, and the restraining means includes a lower belt portion extending from a crotch position of a seated person to an abdomen position. An upper belt portion extending from the shoulder position of the seated person to the abdomen position; and a buckle portion connecting the lower belt portion and the upper belt portion at the abdomen position of the seated person. And at least a part of the buckle portion is provided with a second outlet, and the duct is connected to the first outlet and the second outlet from the temperature control device. I do.

According to a third aspect of the present invention, in the child seat with an air conditioning function, the first duct is branched from the temperature control device toward a second group of outlets including the second outlet. And a second duct branched toward a first blowout hole group including the blowout holes, and a distribution device that distributes the regulated gas to each of the first and second ducts at a predetermined ratio. It is characterized by comprising.

The child seat with an air conditioning function according to claim 4 is characterized in that the duct is disposed inside the backrest chair, and the temperature control device is disposed outside the backrest chair. .

[0014]

According to the first aspect of the present invention, the child seat with the air-conditioning function conveys the regulated gas generated by the temperature control device to each of the air outlets through the duct, and from each of the air outlets, the seat of the occupant. Discharge to the corresponding site. Thus, a gas whose temperature (or humidity or air volume is additionally adjusted) can be supplied to the body surface of the seated infant. This maintains the comfort of the infant when riding in the car and prevents sweating.

[0015] The temperature control device can be built in the main body of the child seat, placed outside the main body as an accessory, or can be replaced by an existing air conditioner of the car. When installing, there is no need for extensive interior modification. The child seat with an air conditioning function according to claim 2, wherein a first outlet is provided in a surface member facing a seated person of the backrest chair, and a second outlet is provided in at least a part of a lower belt portion and a buckle portion of the restraining means. And the conditioning gas is discharged from both of the outlets.

In the child seat, most of the body from the side to the back of the occupant is tightly covered with the surface member of the backrest chair, and thus tends to have poor ventilation. In this regard, a plurality of first blowout holes are provided in the surface member of the backrest chair, and the adjustment gas is supplied from the back and side surfaces of the seated person. In addition, since almost all parts of the abdomen and the front part of the upper body of the infant are tightly restrained by the restraining means, sweating from the tightly contacted parts is remarkable. In this regard, a second blowout hole is provided in the lower belt portion or the buckle portion of the restraining means, and the adjustment gas is also supplied to the infant from the front side.

As described above, since the adjusting gas is supplied from a plurality of parts to the occupant, both the safety and the comfort of the infant while riding the car are realized, and the same comfort as the adult passenger is achieved. Sex is maintained and perspiration is prevented. In order to secure air permeability, it is preferable to form the second air hole on the inner surface of the large buckle portion with a gas permeable member such as a pad from the viewpoint of preventing perspiration and comfort of infants.

According to the child seat with an air-conditioning function according to the third aspect, the temperature-adjusted gas is branched to the second blowout hole group including the second blowout hole, and the other duct. And a second duct branched toward the first blowout hole group including the blowout holes, and supplied separately, and the adjusting gas is distributed to each of the ducts at a predetermined ratio by a distributor. Thereby, the adjustment gas supplied from the second group of ejection holes toward the front of the infant, and the adjustment gas supplied from the other group of first ejection holes mainly toward the side back and head of the infant, Can be adjusted, and air conditioning can be performed according to the environment of the infant or the state of sweating.

In the child seat with the air conditioning function according to the fourth aspect, since the temperature control equipment can be installed outside, it is possible to reduce the size of the main body of the child seat and increase the effective space on the seat.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A child seat with an air-conditioning function according to the present invention shown in FIG. 1 is a child seat 1 of a type which is retrofitted to an automobile seat via a seat belt,
It comprises a backrest chair 10 and a restraining means 100. The backrest chair 10 includes a main body member 11 constituting a backrest main body, and a seat member facing a seated person.

The seat member includes a seating portion 12 serving as a seating surface for an infant, a back portion 13 for supporting the occupant from the back, and a side wall portion 14 for supporting the occupant from the side. As well as being formed, it has an uneven shape along the infant's body shape. The restraining means 100 includes a lower belt 110, an upper belt 120, and a buckle 130. The lower belt part 110 is a seat part 1
2 extends from the central front end position to the seated person's abdomen position through the crotch position of the seated person, and has a buckle 1 at its upper end.
30 are provided. On the other hand, the upper belt portion 120
The rear portion 13 extends downward from a predetermined height position through the shoulder position of the seated person, and is adjustable in length.

The upper belt part 120 and the buckle part 130 are provided with connecting means for fitting each other, and the lower belt part 110 and the upper belt part 12 are connected via the connecting means.
0 is connected, and the seated person is restrained in a state of being in close contact with the backrest chair 10. The body member 11 has a temperature control device 2
0 is built in, and blowout holes 40, 41, 4 provided in each part of the child seat from the temperature control device 20 are provided.
Ducts 30, 31, 32, and 33 directed to 2, 43 are provided.

The temperature control device 20 disposed below the seating portion 12 is a device for generating a control gas adjusted to a predetermined temperature and humidity by an electronic cooling system utilizing the Peltier effect, and a Peltier element unit 21 And a heat exchanger 22 for heat absorption arranged on the upper surface thereof, and a heat exchanger 23 for heat radiation arranged on the lower surface thereof. The Peltier element unit 21 includes a plurality of Peltier elements 21a arranged in parallel. The Peltier element is a plate-like body mainly composed of BiTe, FeSi, or the like, and generates a temperature difference between the front and back surfaces by energization.

The two heat exchangers 22 and 23 are air-cooled heat exchangers and are formed by extruding aluminum, for example. Fins 22a, 23a radially projecting from the Peltier element 21a toward the inside of the container are provided inside.
And fans 22b and 23b for sending out the heat-exchanged gas in the respective discharge directions. The regulated gas generated from the heat absorbing heat exchanger 22 of the temperature regulating device 20 is:
This is supplied to the occupant through a duct and an air outlet. This temperature control device 20 is powered by a power supply device such as a cigarette lighter socket installed in a vehicle, a unique battery built in a child seat, and the like. Is supplied.

The duct extending from the temperature control device 20 is disposed inside the backrest chair, and is provided with a heat absorbing heat exchanger 2.
2, a branch duct 31, 32, 33 branching from the center duct 30 in a plurality of directions;
And a discharge duct 34 for discharging hot air from the heat-radiating heat exchanger 23 to a heat-radiating hole formed on the side surface or the rear surface of the main body member 11.

The branch duct 31 extends upward in the rear portion 13 from the outlet of the centralized duct 30 disposed at the waist, the branch duct 32 extends forward in the seating portion 12, and the branch duct 33
Extends from the branch duct 32 to the buckle portion 130 through the inside of the lower belt portion 110. Centralized duct 3
A distribution device 35 of a passage area control type such as a flap type is provided at a position branching from 0 to the branch ducts 31 and 32,
The distribution device 35 controls the flow rate ratio of the adjustment gas supplied to the branch ducts 31 and 32. In this case, a configuration may be adopted in which a switch or the like is provided on the main body member 11 and the amount of air discharged from each outlet is adjusted by operating the switch.

The branch duct 31 branches in two directions, left and right, in the middle position and the tip position. Of these, the tip of the duct 31 ′ branched from the tip position blows the head member to the surface member of the back portion 13. The duct 31 ″ which is communicated with the hole 40 and branched from the middle position communicates with the axillary blowout hole 41 formed in the surface member of the side wall portion 14. The conditioning gas is supplied to the head and armpits of the person.

The branch duct 32 branches in two directions, left and right, at the waist side of the seating portion 12, and the end of each duct 32 ′ communicates with the waist outlet 42 formed in the side wall 14.
The regulating gas is discharged from the waist outlet 42 toward the waist of the seated person. The branch duct 33 further branched from the branch duct 32 extends to the buckle part 130 through the inside of the lower belt part 110. An abdominal blowout hole 43 is formed at an inner surface of the buckle portion 130 facing the seated person, and the adjusting gas is supplied toward the abdomen of the seated person.

The backrest chair of this embodiment has a side wall 1
The child seat provided with 4 is preferable in that the posture of the infant is maintained and safety during riding is ensured. However, on the other hand, most of the body from the side surface to the back surface of the occupant is tightly covered with the seat surface, so that the air permeability tends to deteriorate. In this regard, by providing the blowout holes 40, 41, and 42 at the portion facing the body part where the sweat glands are distributed a lot (that is, the side wall portion and the vicinity thereof), the adjustment gas is mainly supplied from the back and side surfaces of the seated person. ,by this,
As a result, both the safety and the comfort of the infant when riding in the car are realized, the same comfort as that of an adult passenger is maintained, and sweating is prevented.

Further, since the temperature adjusting device 20 is configured to generate cool air by an electronic cooling system utilizing the Peltier effect, the temperature adjusting device 20 is inexpensive and compact without the need for a compressor or the like. Therefore, as in the present embodiment, the main body member 1
It can be built-in, or requires less installation space as an external accessory. Further, the temperature control device 2
Since the fins 22a are radially attached to the heat exchanger 22 for heat absorption, the heat absorption effect is large, and the efficiency of generating cold air is high. At the same time, the humidity can be adjusted.

In this embodiment, the backrest chairs are provided with the vent holes 40, 4 toward the head, armpits and waist of the seated person.
Although 1, 42 are provided, the blowing holes may be provided in at least one of these or other portions. The branch ducts are divided into first ducts 32 and 33 branched toward a second group of outlets including the outlets 42 and 43 and a first group of outlets including the other outlets 40 and 41. A second duct 31 is provided which branches toward the first duct, and the adjusting gas is distributed to the first and second ducts at a predetermined ratio by a distributor.

Since most of the abdomen and the front part of the upper body are in close contact with the lower belt and the buckle of the seated infant, sweat is remarkable from the close contact. Therefore, in particular, by supplying the adjusting gas also to the infant from the front side, comfort is further maintained and sweating is further prevented. In this case, in order to ensure air permeability, the inner surface of the large buckle portion is constituted by a gas permeable member such as a pad,
It is preferable to form the blowout hole 43 in the breathable member from the viewpoint of preventing perspiration of infants and comfort. In addition, the first ducts 32 and 33 may include at least the abdominal outlet 43 formed in the buckle part 130. That is, for example, the waist outlet 42 may be configured to belong to a group of the remaining outlets 40 and 41.

Further, apart from the waist blow-out holes 42, similar blow-out holes may be opened near the crotch portion of the seating surface. The distributing device 35 controls the opening degree manually, or detects the temperature and humidity inside the child seat with a sensor or the like, controls the opening degree of the flapper or the like, and distributes an optimal supply amount to each blowout hole. May be provided.

Further, as shown in FIG.
0 ′ may be arranged outside the child seat 1. In this case, the temperature control device 20 'includes an external duct 30' connected to the child seat 1, and the external duct 30 'is a central duct 30 inside the child seat.
Will be continued. Thus, the temperature adjustment device 2
If 0 ′ is a separate body, the child seat 1 itself mounted on the vehicle seat can be reduced in weight and size. The external temperature control devices 20 ′ and 20 ″ may be installed under the foot of the vehicle seat or in the space below the seat.

Further, as shown in FIG.
0 "may be connected by a communication path connecting an existing exhaust port or an existing duct 2 of the automobile air conditioner and a duct provided in the backrest chair. According to such a configuration, the existing equipment is used. , The advanced air conditioning function of the existing air conditioner can be enjoyed, and the regulated gas can be obtained effectively.

[Brief description of the drawings]

FIG. 1 is a front view of a child seat with an air conditioning function according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of the child seat with an air-conditioning function, taken along the line AA.

FIG. 3 is a schematic cross-sectional side view showing a modified embodiment of the temperature control device for a child seat with an air conditioning function according to the present invention.

FIG. 4 is a schematic cross-sectional side view of a child seat showing an example in which an on-vehicle air conditioner is used as a temperature adjustment device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Child seat with air-conditioning function 10 ... Back chair 14 ... Side wall part 20 ... Temperature control device 30 ... Concentration duct 31, 32, 33 ... Branch duct 35 ... Distributing device 40, 41, 42, 43 ... Outlet 100 ... lower belt part 120 ... upper belt part 130 ... buckle part

Claims (4)

[Claims] 1. A child seat, which comprises a backrest chair on which an infant sits, and restraint means extending from the backrest chair and restraining a seated person to the backrest chair, the child seat being retrofitted to an automobile seat. A temperature adjusting device for adjusting gas to a predetermined temperature; a duct extending from the temperature adjusting device; a portion connected to the duct and facing at least one of the backrest chair and the restraining means. And an air vent provided in the child seat. 2. A surface member of the backrest chair having a plurality of first blowout holes, wherein the restraining means includes a lower belt portion extending from a crotch position of a seated person to an abdominal position, and a seatbelt position from a shoulder position of the seated person. And a buckle portion connecting the lower belt portion and the upper belt portion at the abdomen position of the seated person, and at least a part of the lower belt portion and the buckle portion. A second outlet, and the duct is connected to the first outlet and the second outlet by the temperature control device.
The child seat with an air-conditioning function according to claim 1, wherein the child seat is configured to be connected to the air outlet. 3. The first duct including a first duct branched from the temperature control device toward a second group of outlets including the second outlet, and a first outlet including other outlets. A second duct branched toward a group of holes,
The child seat with an air conditioning function according to claim 1 or 2, further comprising a distribution device configured to distribute the regulated gas to the second duct at a predetermined ratio. 4. The air conditioner according to claim 1, wherein the duct is disposed inside the backrest chair, and the temperature control device is disposed outside the backrest chair. Child seat with function.