Hot air heating structure and milk warmer

Abstract

The utility model discloses hot -blast heating structure and milk warmer, and this structure mainly comprises inner tube, fan, air duct body and heating part, and the inside of inner tube is especially provided with first air inlet and first air outlet, and the import of fan is closely connected with first air outlet, and one end of air duct body is connected with the export of fan, and the other end is connected with first air inlet, and heating part is installed in the inside of air duct body, and its installation position is adjacent with first air outlet, in the working process, the feeding bottle is put into inner tube, and heating part starts work, and the air that flows through air duct body is heated into hot -blast, is sent into inner tube through first air inlet, and the liquid in feeding bottle is heated, and the hot -blast that has completed heating is drawn back in air duct body through first air outlet, and is sent back in inner tube again by heating part and is reheated, and forms circulation, because the installation position of heating part is adjacent with first air outlet, reduces the heat loss of hot -blast before being sent into inner tube, improves heating efficiency, and reduces overall power consumption.

Description

Technical Field

[0001] This utility model relates to the field of bottle warmer technology, and in particular to a hot air heating structure, a temperature measuring structure, and a bottle warmer. Background Technology

[0002] Bottle warmers, designed specifically for infants, primarily function to moderately heat liquids such as water, milk, and breast milk to ensure they reach a suitable temperature for infants. Considering the delicate nature of infants' digestive systems and their strict temperature requirements, bottle warmers need to precisely control the temperature during the heating process to avoid overheating or cooling.

[0003] However, baby bottles are typically made of plastic or glass, which are prone to deformation and breakage when in direct contact with high-temperature heating elements. This not only affects the lifespan of the bottle but may also pose a threat to the baby's safety. To address this issue, bottle warmers on the market have been optimized in design, generally using indirect heating methods with hot water or hot air to reduce direct thermal shock to the bottle.

[0004] Specifically, hot air bottle warmers are a popular type. They work by heating air through a heating element, then guiding the hot air to the heating area where the bottle is located via an air guide system. However, in this process, some energy loss is inevitable during the transmission and guidance of the hot air, resulting in reduced thermal efficiency. This energy loss not only affects the heating efficiency of the bottle warmer but also prolongs the entire heating process, requiring users to wait longer to obtain milk at the desired temperature. Utility Model Content

[0005] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, a first aspect of this invention provides a hot air heating structure, which mainly consists of key components such as an inner cylinder, a fan, an air duct, and a heating element. The inner cylinder is specially provided with a first air inlet and a first air outlet to facilitate air circulation. The fan inlet is tightly connected to the first air outlet to ensure smooth airflow.

[0006] One end of the duct body is connected to the outlet of the fan, while the other end is connected to the first air inlet, forming a closed air circulation path. The heating element is installed inside the duct body, and its installation position is adjacent to the first air outlet to reduce the heat loss of hot air during the transportation process.

[0007] According to some embodiments of this invention, the area of ​​the first air inlet is designed to be smaller than the area of ​​the first air outlet. This design allows hot air to enter the inner cylinder at a faster speed due to the smaller area of ​​the first air inlet, thus generating higher kinetic energy. This enables the hot air to quickly form a circulating flow around the bottle within the inner cylinder, ensuring even heating of the bottle.

[0008] According to some embodiments of this utility model, in order to achieve uniform heating and ensure uniform mixing of milk powder and water, this design also includes a cradle. The user places the bottle into the cradle, which rotates within the inner cavity of the inner cylinder. During the heating process, the bottle rotates synchronously by rotating the cradle, further ensuring uniform heating.

[0009] According to some embodiments of this utility model, in order to allow hot air to smoothly enter the cradle, multiple ventilation openings are carefully arranged on the side wall of the cradle, through which the hot air enters the interior of the cradle. The lower part of the cradle consists of multiple grid panels, with ventilation openings formed between adjacent grid panels to ensure smooth airflow.

[0010] According to some embodiments of this utility model, in order to improve the effect of hot air quickly forming a hot vortex airflow in the cradle, the cross section of the grille is designed as a wedge shape, and the grille is set at an angle. This design helps the hot air to circulate quickly.

[0011] According to some embodiments of this utility model, in order to prevent the bottle from shaking during the rotation of the cradle, a fixing ring is also installed inside the cradle. The fixing ring is located above the vent and fixes the bottle, so that the bottle remains stable during the rotation of the cradle.

[0012] According to some embodiments of this utility model, a fixing spring is provided on the inner wall of the fixing ring, and the fixing spring is in close contact with the bottle wall. In this embodiment, the fixing spring adopts a four-piece design. When the bottle is placed in the cradle, the four fixing springs use their elastic force to clamp and fix the bottle, ensuring that the bottle will not move during the heating process.

[0013] According to some embodiments of this utility model, the cradle is connected to a rotary drive assembly, which is used to drive the rotation of the cradle. Specifically, the rotary drive assembly includes an axle, a transmission wheel, a timing belt, and a rotary drive component. The axle is fixed to the center of the bottom of the cradle, and a timing belt is wound between the axle and the transmission wheel. The transmission wheel is mounted on the drive shaft of the rotary drive component. During operation, the rotary drive component drives the transmission wheel to rotate, and the transmission wheel drives the axle to rotate via the timing belt, thereby causing the cradle to rotate and ensuring that the baby bottle is heated evenly during the heating process.

[0014] According to some embodiments of this utility model, a chassis is also installed inside the cradle, and multiple raised ribs are arranged on the chassis. These raised ribs support the bottle, further improving airflow and ensuring heating effect. The multiple raised ribs are arranged in concentric circles, further optimizing the airflow path.

[0015] A second aspect of this utility model provides a high-efficiency bottle warmer, including the aforementioned hot air heating structure, which ensures uniform, efficient and stable heating process.

[0016] This utility model has at least the following beneficial effects: 1. During operation, the user places the bottle into the inner cylinder, and the heating element starts working, heating the air flowing through the air duct into hot air. This hot air is then sent into the inner cylinder through the third air outlet and the first air inlet to heat the bottle. The fan then draws back the heated air, which passes through the first air outlet and the second air inlet before entering the fan itself. The fan then sends the drawn-back hot air into the air duct, which passes through the second air outlet and the third air inlet before entering the air duct. The heating element, located within the air duct, reheats the air and sends it back into the inner cylinder, creating a highly efficient hot air circulation system. Because the heating element is installed adjacent to the third air outlet and the first air inlet, this design cleverly reduces heat loss before the air enters the inner cylinder, significantly improving heating efficiency and effectively reducing the overall power consumption of the bottle warmer.

[0017] 2. Because the first air outlet has a large area, the speed of the hot air will decrease accordingly when it is discharged, and the kinetic energy will be converted into static pressure energy, thereby achieving a large exhaust volume; the discharged hot air is reheated and then re-enters the cavity of the inner cylinder to ensure the stability of the hot air circulation temperature.

[0018] 3. In order to improve the effect of quickly forming a hot air vortex in the cradle, the cross section of the grille is designed to be wedge-shaped and the grille is set at an angle. This design helps the hot air to circulate quickly.

[0019] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0020] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is an exploded view of the first aspect of the present invention. Figure 2 This is a schematic diagram of the inner cavity of the inner cylinder according to an embodiment of the present utility model; Figure 3 This is a front view schematic diagram of the first aspect of the present utility model; Figure 4 for Figure 3 Schematic diagram of the AA section; Figure 5 This is a top view schematic diagram of the first aspect of the present utility model; Figure 6 for Figure 5 Schematic diagram of the BB cross section; Figure 7 This is a side view of the cradle according to an embodiment of the present invention; Figure 8 for Figure 7 Schematic diagram of the CC section; Figure 9 This is a schematic diagram of the first air outlet of a first aspect embodiment of the present utility model; Figure 10 This is a schematic diagram of the first air inlet of a first aspect embodiment of the present utility model; Figure 11 This is a schematic diagram of a second aspect of the present invention. Detailed Implementation

[0021] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0022] In the description of this utility model, "more than" means two or more, and "greater than," "less than," "exceeding," etc., are understood to exclude the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly specifying the number of indicated technical features or their sequential relationship.

[0023] Reference Figure 1 , Figure 2 , Figure 4 A hot air heating structure, which is mainly composed of key components such as an inner cylinder 100, a fan 200, an air duct body 300, and a heating element 400.

[0024] The inner cylinder 100 is provided with a first air inlet 110 and a first air outlet 120; the fan 200 includes a second air inlet 210 and a second air outlet 220, with the second air inlet 210 connected to the first air outlet 120; the duct body 300 is installed on the outside of the inner cylinder 100, and the duct body 300 includes a third air inlet 310 and a third air outlet 320, with the third air inlet 310 connected to the second air outlet 220 and the third air outlet 320 connected to the first air inlet 110; the heating element 400 is installed inside the duct body 300, and the installation position of the heating element 400 is adjacent to the third air outlet 320 to reduce the heat loss of hot air during the conveying process.

[0025] During operation, the user places the baby bottle into the inner cylinder 100, and the heating element 400 starts working, heating the air flowing through the air duct 300 into hot air. Subsequently, this hot air is sent into the inner cylinder 100 through the third air outlet 320 and the first air inlet 110 to heat the baby bottle.

[0026] The fan 200 draws back the heated air, which then enters the fan 200 through the first air outlet 120 and the second air inlet 210.

[0027] The fan 200 then sends the extracted hot air into the air duct body 300. The hot air sent into the air duct body 300 enters the air duct body 300 through the second air outlet 220 and the third air inlet 310 in sequence. Then, the heating element 400 installed in the air duct body 300 reheats the air and sends it back into the inner cylinder 100. This cycle repeats continuously, forming a highly efficient hot air circulation system.

[0028] Since the heating element 400 is installed adjacent to the third air outlet 320 and the first air inlet 110, this design cleverly reduces the heat loss of hot air before it enters the inner cylinder 100, thereby significantly improving heating efficiency and effectively reducing the overall power consumption of the bottle warmer.

[0029] Reference Figure 9 , 10 As shown, in this embodiment, the area of ​​the first air inlet 110 is designed to be smaller than the area of ​​the first air outlet 120.

[0030] During the heating process, the hot air will lose heat, causing the hot air temperature to drop, which in turn will cause the temperature inside the inner cylinder 100 to decrease. In order to ensure the stability of the temperature inside the inner cylinder 100, the hot air inside the inner cylinder 100 needs to be extracted, reheated to the preset temperature, and then sent back into the inner cylinder 100, and the above steps are repeated.

[0031] Therefore, the first air outlet 120 has a large area, which reduces the speed of the hot air during exhaust, converting kinetic energy into static pressure energy. This results in a larger exhaust volume, reducing the amount of cooled hot air inside the inner cylinder 100 and preventing it from affecting the temperature inside the inner cylinder 100. Simultaneously, when the reheated hot air enters the inner cylinder 100, due to the smaller area of ​​the first air inlet, it enters at a faster speed, generating higher kinetic energy. This allows the hot air to quickly form a circulating flow around the bottle within the inner cylinder 100, ensuring even heating of the bottle and stable hot air circulation temperature.

[0032] Reference Figure 2 As shown, to achieve uniform heating and ensure even mixing of milk powder and water, this design also includes a cradle 500. The user places the bottle into the cradle 500, which then rotates within the inner cavity of the inner cylinder 100. During heating, rotating the cradle 500 causes the bottle to rotate synchronously, further ensuring uniform heating.

[0033] Reference Figure 7 As shown, in order to allow hot air to enter the cradle 500 smoothly, multiple vents 501 are carefully arranged on the side wall of the cradle 500, through which the hot air enters the interior of the cradle 500. The lower part of the cradle 500 is composed of multiple grille plates 510, and vents 501 are formed between adjacent grille plates 510 to ensure smooth airflow.

[0034] Reference Figure 8 As shown, in order to improve the effect of hot air forming a hot vortex airflow quickly in the cradle 500, the cross section of the grille 510 is designed to be wedge-shaped and the grille 510 is set at an angle. This design helps the hot air to circulate quickly.

[0035] Reference Figure 2 As shown, in order to prevent the bottle from shaking during the rotation of the cradle 500, a retaining ring 600 is also installed inside the cradle 500. The retaining ring 600 is located above the vent 501 and the bottle is fixed by the retaining ring 600 to keep the bottle stable during the rotation of the cradle 500.

[0036] Reference Figure 2 As shown, a fixing spring 610 is further provided on the inner wall of the fixing ring 600, and the fixing spring 610 is in close contact with the bottle wall. In this embodiment, the fixing spring 610 adopts a four-piece design. When the bottle is placed in the cradle 500, the four fixing springs 610 use their elastic force to clamp and fix the bottle, ensuring that the bottle will not move during the heating process.

[0037] Reference Figure 5 , 6As shown, the cradle 500 is connected to a rotary drive assembly 700, which drives the rotation of the cradle 500. Specifically, the rotary drive assembly 700 includes an axle 710, a drive wheel 720, a timing belt 730, and a rotary drive member 740. The axle 710 is fixed to the center of the bottom of the cradle 500, and the timing belt 730 is wound between the axle 710 and the drive wheel 720. The drive wheel 720 is mounted on the drive shaft of the rotary drive member 740. During operation, the rotary drive member 740 drives the drive wheel 720 to rotate, and the drive wheel 720 drives the axle 710 to rotate via the timing belt 730, thereby causing the cradle 500 to rotate and ensuring that the bottle is heated evenly during the heating process.

[0038] Reference Figure 5 , 6 As shown, a chassis 520 is also installed inside the cradle 500. Multiple raised ribs 521 are arranged on the chassis 520. These raised ribs 521 support the bottle, further improving airflow and ensuring heating effectiveness. The multiple raised ribs 521 are arranged concentrically, further optimizing the airflow path.

[0039] Reference Figure 11 As shown, a high-efficiency bottle warmer includes the aforementioned hot air heating structure, ensuring a uniform, efficient, and stable heating process.

[0040] In the description of this specification, references to terms such as "some embodiments" or "as one might imagine" indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one embodiment or example.

[0041] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A hot air heating structure, characterized in that, include: The inner cylinder (100) is provided with a first air inlet (110) and a first air outlet (120). A fan (200) includes a second air inlet (210) and a second air outlet (220), wherein the second air inlet (210) is connected to the first air outlet (120); A duct body (300) is installed on the outside of the inner cylinder (100). The duct body (300) includes a third air inlet (310) and a third air outlet (320). The third air inlet (310) is connected to the second air outlet (220), and the third air outlet (320) is connected to the first air inlet (110). A heating element (400) is installed inside the air duct body (300), and the installation position of the heating element (400) is adjacent to the third air outlet (320) and the first air inlet (110).

2. The hot air heating structure according to claim 1, characterized in that, The area of ​​the first air inlet (110) is smaller than the area of ​​the first air outlet (120).

3. The hot air heating structure according to claim 1, characterized in that, It also includes a cradle (500) into which a baby bottle is placed, the cradle (500) being rotatably mounted in the inner cavity of the inner cylinder (100), and a plurality of ventilation openings (501) arranged on the side wall of the cradle (500).

4. The hot air heating structure according to claim 3, characterized in that, The lower part of the cradle (500) is composed of multiple grid plates (510), and the ventilation opening (501) is formed between adjacent grid plates (510); the cross section of the grid plate (510) is wedge-shaped, and the grid plate (510) is obliquely arranged.

5. A hot air heating structure according to claim 4, characterized in that, The cradle (500) is fitted with a retaining ring (600) which is located above the vent (501).

6. A hot air heating structure according to claim 5, characterized in that, The inner wall of the fixing ring (600) is provided with fixing springs (610), and four fixing springs (610) are used to clamp the baby bottle.

7. A hot air heating structure according to claim 4, characterized in that, The cradle (500) is connected to a rotation drive assembly (700), which is used to drive the cradle (500) to rotate.

8. A hot air heating structure according to claim 7, characterized in that, The rotary drive assembly (700) includes an axle (710), a transmission wheel (720), a timing belt (730), and a rotary drive component (740). The axle (710) is fixed to the center of the bottom of the cradle (500). The timing belt (730) is wound between the axle (710) and the transmission wheel (720). The transmission wheel (720) is mounted on the drive shaft of the rotary drive component (740).

9. A hot air heating structure according to claim 3, characterized in that, The cradle (500) contains a chassis (520), on which a plurality of raised rib rings (521) are arranged in concentric circles.

10. A bottle warmer, characterized in that, Includes a hot air heating structure as described in any one of claims 1 to 9.

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