child seat

Abstract

The child seat includes a seat, a seat cushion placed on the seat, a heating device detachably placed on the seat cushion, a control device placed on the seat, the heating device being electrically connected to the control device, a first temperature measuring device placed on the seat cushion and communicatively connected to the control device, configured to measure the real-time temperature of the heating device, and a thermal safety device placed on the heating device and configured to stop heating the heating device when the heating device reaches a first set temperature. The heating device includes a heating element and a flame retardant element, the heating element being placed on the flame retardant element. The first temperature measuring device is placed on the flame retardant element, the thermal safety device is placed on the heating element, the thermal safety device is connected in series with the heating element, the first temperature measuring device is a temperature sensing chip, and the thermal safety device is a resettable thermal fuse.

Claims

1. It is a child car seat, Sheet (10) and A seat cushion (20) is placed on the aforementioned seat (10), A heating device (30) is detachably disposed on the seat cushion (20), A control device (40) arranged on the sheet (10), wherein the heating device (30) is electrically connected to the control device (40), A first temperature measuring device (303) is connected to the control device (40) in a communication manner and configured to measure the real-time temperature of the heating device (30), A thermal safety device (50) is provided in the heating device (30) and is configured to stop heating the heating device (30) when the heating device (30) reaches a first set temperature. Equipped with, The heating device (30) is Heating element (301) and A flame-retardant member (302), wherein the heating member (301) is arranged on the flame-retardant member (302) Equipped with, The first temperature measuring device (303) is positioned on the flame-retardant member (302) or the seat cushion (20), the thermal safety device (50) is connected in series with the heating member (301), the first temperature measuring device (303) is a temperature sensing chip, and the thermal safety device (50) is a resettable thermal fuse, in a child seat.

2. The heating device (30) is The flame-retardant member (302) has heat dissipation holes (304) arranged in it, A bag-shaped storage space (201) is formed in the seat cushion (20), wherein the heating device (30) is detachably disposed in the storage space (201) of the seat cushion (20), the storage space (201) is provided with an opening (202) that can be opened and closed, the edge of the heating device (30) is provided with a positioning recess (306), the edge of the storage space (201) is provided with a positioning protrusion (2011), and the heating device (30) is fixed in the storage space (201) by the shape fitting of the positioning recess (306) and the positioning protrusion (2011), and the storage space (201) and Furthermore, The thermal safety device (50) is arranged on the heating element (301). The child car seat according to claim 1.

3. The control device (40) is The sheet (10) is equipped with a control unit (401) to which the heating device (30) is electrically connected. The first temperature measuring device (303) is communicatively connected to the control unit (401), and the control unit (401) is The control unit (401) controls the heating element (301) to stop heating when the temperature measured by the first temperature measuring device (303) reaches the second set temperature, and / or The control unit (401) controls the heating element (301) to start heating or to continue heating when the temperature measured by the first temperature measuring device (303) is less than the second set temperature. It is configured in such a way, The first set temperature is not user-adjustable, the second set temperature is user-adjustable, and the maximum value of the second set temperature is lower than the first set temperature. The child car seat according to claim 1 or 2.

4. The aforementioned child seat is A ventilation device (60) is placed on the sheet (10) and electrically connected to the control device (40), An upper cover (101) on which a first vent (1011) is provided, A storage cavity (102), wherein the upper cover (101) covers the storage cavity (102) Furthermore, The ventilation device (60) is located in the storage cavity (102), the seat cushion (20) is located in the upper cover (101), and the ventilation device (60) is located in the upper cover (101). A first fixed base (601) is fixedly positioned in the storage cavity (102), and an air duct (6011) is formed between the first fixed base (601) and the upper cover (101), A fan (602) is fixedly positioned on the first fixed base (601) and electrically connected to the control device (40). Equipped with, The first fixed base (601) is provided with an air inlet (6013) and an air outlet (6014), the air inlet (6013) is in fluid communication with the third vent (120) in the backrest of the seat, and the air outlet (6014) is in fluid communication with the air duct (6011). The height of the air duct (6011) in the direction of air circulation is less than the height of the air outlet (6014), and the cross-sectional area of ​​the air duct (6011) in the direction of air circulation is greater than the cross-sectional area of ​​the air outlet (6014). A child car seat according to any one of claims 1 to 3.

5. The first fixed base (601) further comprises a guide rib (6015) positioned at the end of the first fixed base (601) away from the air outlet (6014), the guide rib defining a guide space in the air duct (6011), the guide space being configured such that the cross-sectional area of ​​the guide space gradually decreases along the direction from the air outlet (6014) toward the air duct (6011), the guide rib (6015) having a U-shaped structure, and the guide rib (6015) being positioned opposite the air outlet (6014). The child car seat according to claim 4.

6. The ventilation device (60) further comprises a second fixed base (103) positioned in the storage cavity (102), the second fixed base (103) being fixedly connected to the side of the first fixed base (601) facing away from the upper cover (101), and a safety belt guide groove (1031) being defined between the second fixed base (103) and the first fixed base (601). The child seat according to claim 4 or 5.

7. It is a child car seat, A seat (10) equipped with an upper cover (101), Several fans (602), A plurality of air guide members (604) having a hollow air duct (6011) and a plurality of vents (6044), wherein the vents (6044) are arranged on the side facing the upper cover (101) and are in fluid communication with the air duct (6011), and Equipped with, The plurality of air guide members (604) are in fluid communication with the plurality of fans (602), and the plurality of air guide members (604) are arranged at intervals on two lateral sides of the upper cover (101), and a recess (6045) is formed by the plurality of air guide members (604) and the upper cover (101) in a child seat.

8. The child seat further comprises a fixing plate (605) which is fixedly connected to at least two of the plurality of air guide members (604), and a channel (6051) is formed by the formation of the fixing plate (605) and the recess (6045). The upper cover (101) is provided with a through hole (1015) configured to allow the length adjustment end of the safety belt to pass through, and the through hole (1015) is in communication with the recess (6045) or the channel (6051). The child car seat according to claim 7.

9. Each of the air guide members (604) is provided with a retaining rib (6041), and the upper cover (101) is provided with a first rib (1016) extending vertically, with a retaining hole (1012) located in the side wall of the first rib (1016), and the retaining rib (6041) is inserted into the retaining hole (1012) to fix the air guide member (604) to the upper cover (101). The child car seat according to claim 8.

10. The upper cover (101) is further provided with a second rib (1017) extending horizontally, and the first rib (1016) and the second rib (1017) form a reinforcing groove (1018) in the upper cover (101), and a ventilation opening (1019) is provided in the reinforcing groove (1018). An air opening (1013) is provided at the end of the retaining rib (6041) that passes through the retaining hole (1012), and is in fluid communication with the air duct (6011) and also in fluid communication with the upper cover (101) through the ventilation opening (1019). The child car seat according to claim 9.

11. The air guide member further comprises an air outlet port (6047) that is in fluid communication with the air duct, and the air outlet port (6047) is closer to the fan (602) than to the vent (6044). The aforementioned child seat is A support cushion assembly (13) that is detachably attached to the seat (10), wherein a cavity (134) is formed inside the support cushion assembly (13), and an air hole (1331) is formed on the bottom surface of the support cushion assembly (13) that is in fluid communication with the cavity (134), and the air hole (1331) is configured such that when the support cushion assembly (13) is attached to the seat, the air hole (1331) is in fluid communication with the air outlet port (6047), A connecting member (133) is provided on either the seat or the support cushion assembly (13) and is insertable into the air outlet port (6047) to block fluid communication between the fan (602) and the vent (6044). Furthermore, A child car seat according to any one of claims 7 to 10.

12. It is a child car seat, Sheet (10), An upper cover (101) provided with a ventilation opening (130), Fans (602) An air guide member (604) is positioned below the upper cover (101) and is in fluid communication with the fan (602), wherein the air guide member (604) has a hollow air duct (6011) and an air outlet port (6047), and the air outlet port (6047) is positioned on the side of the air guide member (604) facing the upper cover (101) and is in fluid communication with the air duct (6011), A support cushion assembly (13) that is detachably attached to the seat (10), wherein a cavity (134) is formed inside the support cushion assembly (13), and an air hole (1331) that is in fluid communication with the cavity (134) is formed on the bottom surface of the support cushion assembly (13) and A seat (10) is provided, The air vent (1331) is configured such that when the support cushion assembly (13) is attached to the seat (10), the air vent (1331) is in fluid communication with the air outlet port (6047) in a child seat.

13. The support cushion assembly (13) is provided with a connecting member (133), the air hole (1331) is formed in the connecting member (133), and the connecting member (133) is at least partially inserted into the air outlet port (6047) and enters the air duct (6011). The connecting member (133) comprises a wind-receiving portion (1332) that is in fluid communication with the air hole (1331), and a wind-blocking portion (1333) that separates the fluid communication between the fan (602) and the vent (130). The child car seat according to claim 12.

14. The child seat further comprises a shielding sheet (140) pivotably disposed on the upper surface of the upper cover (101) or seat cloth, wherein a hole-blocking member (141) is provided on one side of the shielding sheet (140), The shielding sheet (140) is pivotable between an open position and a closed position. In the closed position, the hole-blocking member (141) closes the vent (130), and in the open position, the hole-blocking member (141) does not close the vent (130) so that the air hole (1331) can communicate fluidly with the air outlet port (6047). The child seat according to claim 12 or 13.

15. The air duct upper cover (6042) is pivotably connected to a connecting member (133) which is pivotably connected between a first position for blocking the air outlet port (6047) and a second position for blocking the air duct (6011). A child car seat according to any one of claims 12 to 14.

16. The support cushion assembly (13) is A cushion body (131) having a through groove (1311), A cushion core (132) is placed in the through groove (1311) and Equipped with, The thickness of the cushion core (132) is less than the depth of the through groove (1311), and when the cushion core (132) is placed in the through groove (1311), the cavity (134) is formed in the through groove (1311). A child car seat according to any one of claims 12 to 15.

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