Single-fan double-channel cold and warm cup holder

Abstract

The application discloses a single-fan double-channel cold and warm cup holder, and aims to solve the problems of large overall volume and high cost of a single fan for each radiator of an existing vehicle-mounted cup holder. The cup holder comprises a shell, two cup holder grooves and two heat dissipation cavities are arranged on the shell, a heat dissipation radiator is arranged in the heat dissipation cavity, a semiconductor refrigeration sheet is arranged between the heat dissipation radiator and the cup holder groove, a fan is arranged on the shell, and the two heat dissipation cavities are communicated with an air inlet of the fan to form a single-fan double-heat dissipation channel structure. The cup holder of the application can realize independent refrigeration or heating functions of the two cup holder grooves by using only one fan, so that the overall occupied space of the cup holder is reduced, and the cost is lowered.

Description

Technical Field

[0001] This invention relates to the field of cup holder technology, and more specifically, to a single-fan, dual-channel hot and cold cup holder. Background Technology

[0002] With the rapid development of the automotive industry, users' demands for intelligence and comfort are gradually increasing, making in-car cup holders with cooling and heating functions popular in the market. Traditional in-car cup holders use semiconductor refrigeration technology to achieve cooling and heating functions. The semiconductor cooling chip is arranged at the bottom of the cup, and each semiconductor cooling chip has its own heat dissipation fins equipped with a separate fan, such as the dual-channel cooling and heating cup holder assembly for in-car use disclosed in patent CN118906943A. The drawback of this type of cup holder is its large overall size and the high cost of dual fans. In view of the above problems, there is a need to design an in-car cup holder that is more cost-effective and occupies less space. Summary of the Invention

[0003] To overcome the above shortcomings, the present invention provides a single-fan dual-channel cooling and heating cup holder, which can achieve independent cooling and heating functions for both cup holders with a single fan. The cup holder occupies little space and has low cost.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a single-fan dual-channel hot and cold cup holder, including a shell, two cup holder slots and two heat dissipation cavities are provided on the shell, a radiator is installed in the heat dissipation cavity, a semiconductor cooling chip is installed between the radiator and the cup holder slot, a fan is installed on the shell, and both heat dissipation cavities are connected to the air inlet of the fan to form a single-fan dual heat dissipation channel structure.

[0005] The cup holder is used to hold and position the cup. The thermoelectric cooler enables both cooling and heating. By switching the direction of the current to the thermoelectric cooler, the cold and hot sides of the cooler can be switched, thus achieving the desired cooling or heating effect on the cup. When cooling is needed, the thermoelectric cooler is energized, with the side facing the cup holder being the cold side and the side facing the radiator being the hot side. The cold side absorbs heat from the cup, achieving a cooling effect. The radiator absorbs heat from the hot side, and the fan draws in hot air from both cooling chambers, causing the airflow to move along the heat dissipation channels. As fresh air flows into the cooling chambers, it cools the radiator. When keeping the cup warm, simply switch the direction of the current to the thermoelectric cooler; the fan does not need to operate.

[0006] The entire cup holder device features two cup slots, two heat sinks, and two semiconductor cooling chips, accommodating two cups simultaneously. Whether one cup slot is cooled or both are cooled at the same time, simply activating the fan will expel the hot air. Only one fan is needed to achieve independent cooling or heating for both cup slots, and the overall cup holder design is compact and cost-effective.

[0007] Preferably, the air inlet of the radiator faces outward from the casing, a ventilation gap is reserved between the air outlet of the radiator and the inner wall of the radiator, and an airflow duct is provided on the casing, which connects the ventilation gap and the air inlet of the fan.

[0008] When the fan is working, fresh air from outside the casing flows towards the air inlet of the radiator, cools the radiator, flows from the air outlet of the radiator to the ventilation gap, then flows into the flow duct, and finally is discharged outward after passing through the fan.

[0009] Preferably, the heat sink includes an upper connecting plate and a plurality of spaced heat dissipation fins, the heat dissipation fins being connected to the upper connecting plate, and the semiconductor cooling chip being connected to the upper connecting plate.

[0010] Several heat dissipation fins are connected at intervals on the upper connecting plate to form a heat sink, which has a good heat dissipation effect. The cavity between two adjacent heat dissipation fins allows airflow to pass through, and the airflow contacts the heat dissipation fins to achieve heat dissipation.

[0011] Preferably, the shell is provided with two cup holders, and two cup slots are respectively provided on the two cup holders.

[0012] The cup holder slot is located on the cup holder body, which is a separate structure from the housing, making it easy to assemble and disassemble. Different sizes and styles of cup holders can be selected and installed on the housing according to usage needs, offering flexibility and convenience.

[0013] Preferably, the shell is provided with two mounting slots, the cup holder is installed in the mounting slots, and an insulation layer is installed between the mounting slots and the cup holder.

[0014] The cup holder is connected to the mounting groove on the shell, and an insulation layer is installed between the mounting groove and the cup holder to ensure airtightness, effectively improve insulation performance, and reduce energy consumption.

[0015] Preferably, a notch is provided on the upper edge of the cup holder slot.

[0016] The notch design makes it easy to take out and place the cup. If the cup is short, it can be taken out through the notch. If the cup has a stem, the stem can be placed in the notch to ensure the cup is placed stably.

[0017] Preferably, a heat-insulating sealing gasket is fitted around the semiconductor cooling chip, and the heat-insulating sealing gasket is tightly connected between the heat sink and the cup holder.

[0018] A heat-insulating sealing gasket is installed on the outside of the thermoelectric cooler to isolate the cup holder from the heat sink and prevent heat exchange between the cold and hot sides from affecting performance.

[0019] Preferably, temperature sensors are installed between the thermoelectric cooler and the cup holder, as well as on the heat sink.

[0020] A temperature sensor between the thermoelectric cooler and the cup holder can monitor the temperature at the cup holder location in real time, thereby enabling temperature control for cooling and heating of the cup holder. A temperature sensor installed on the radiator monitors the radiator temperature in real time and provides overheat protection.

[0021] Preferably, the air inlet of the fan faces upward and the air outlet of the fan is set to the side; the fan draws in air from above and exhausts air from the side for heat dissipation.

[0022] The hot air exhausted by the fan is discharged to the bottom side to prevent it from being drawn back into the radiator, thus affecting the heat dissipation effect.

[0023] Preferably, the air outlet of the fan is connected to an exhaust duct that connects to the air duct inside the car's armrest box.

[0024] The exhaust duct of the fan outlet is directly connected to the air duct inside the armrest box of the vehicle, so that the hot air generated when the cup holder is cooling is directly discharged to the air duct inside the armrest box, preventing the local ambient temperature from rising and affecting the cooling effect of the cup holder and the heat dissipation effect of the radiator.

[0025] Compared with the prior art, the beneficial effects of the present invention are: (1) The cup holder of this application can realize the independent cooling or heating function of the double cup holder slots with only one fan, which is conducive to reducing the overall space occupied by the cup holder and reducing the cost; (2) Both cup holder slots are equipped with independent semiconductor cooling chips, which have good cooling and heating effects; (3) The cup holder slots are set on the cup holder body, and the cup holder body and the shell are separate structures, which are easy to disassemble and assemble. Different sizes and styles of cup holder bodies can be selected and installed on the shell according to the usage requirements, which is flexible and convenient; (4) The upper edge of the cup holder slot is provided with a notch, which facilitates the use and placement of cups; (5) A heat insulation sealing gasket is installed on the outside of the semiconductor cooling chip to isolate the cup holder body from the heat sink and prevent the cold and hot surfaces from exchanging heat and affecting the performance. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of the present invention.

[0027] Figure 2 This is an exploded view of Embodiment 1 of the present invention.

[0028] Figure 3 This is a top view of the heat sink connection of the present invention.

[0029] Figure 4This is a connection structure diagram of the heat sink of the present invention.

[0030] Figure 5 This is an exploded view of Embodiment 2 of the present invention.

[0031] In the diagram: 1. Shell, 2. Cup holder slot, 3. Heat dissipation cavity, 4. Cup holder body, 5. Mounting slot, 6. Insulation layer, 7. Notch slot, 8. Upper shell, 9. Lower shell, 10. Radiator, 11. Semiconductor cooling chip, 12. Upper connecting plate, 14. Heat dissipation fins, 15. Thermal insulation gasket, 16. Sealing felt, 17. Fan, 18. Ventilation gap, 19. Flow duct, 20. Exhaust duct, 21. Socket, 22. Snap connector, 23. Socket, 24. Clip groove, 25. Clearance notch, 26. Connecting ear. Detailed Implementation

[0032] The technical solution of the present invention will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings: Example 1: A single-fan, dual-channel hot and cold cup holder (see...) Figure 1 , Figure 2 , Figure 3 , Figure 4 The device includes a housing 1, on which two cup holder slots 2 and two heat dissipation cavities 3 are provided. Two aluminum cup holders 4 are also provided on the housing 1, with the cup holder slots 2 respectively positioned on the two cup holders 4. The cup holder slots 2 are located on the cup holders 4, and the cup holders 4 and housing 1 are separate structures, allowing for easy assembly and disassembly. Different sizes and styles of cup holders 4 can be selected and installed on the housing 1 according to usage requirements, offering flexibility and convenience. Two mounting slots 5 are provided on the housing 1, and the cup holders 4 are installed in the mounting slots 5. An insulation layer 6 is installed between the mounting slots 5 and the cup holders 4. The cup holders 4 are connected to the mounting slots 5 on the housing 1, and the insulation layer 6 between the mounting slots 5 and the cup holders 4 ensures airtightness, effectively improves insulation performance, and reduces energy consumption. The insulation layer 6 uses a PU foaming process; after foaming, it fills the gap between the mounting slots 5 and the cup holders 4 and securely connects them.

[0033] A notch 7 is provided on the upper edge of the cup holder 2, and the notch 7 and the upper edge of the cup holder 2 are curved. The notch 7 makes it convenient to take out and place the cup. If the cup is short, it can be taken out through the notch 7. If the cup has a stem, the stem can be placed in the notch 7 to ensure that the cup is placed stably.

[0034] The housing 1 is divided into an upper housing 8 and a lower housing 9, which are fastened together. The mounting groove 5 is set on the upper housing 8 and has an opening at the top. The heat dissipation cavity 3 is set on the lower housing 9 and has openings at the top and front. The two heat dissipation cavities 3 are arranged opposite each other on the left and right.

[0035] A heat sink 10 is installed inside the heat dissipation cavity 3, and a thermoelectric cooler 11 is installed between the heat sink 10 and the cup holder 2. The heat sink 10 includes an upper connecting plate 12 and a plurality of spaced-apart heat dissipation fins 14. The heat dissipation fins 14 are arranged vertically and connected to the upper connecting plate 12. The thermoelectric cooler 11 is connected to the upper connecting plate 12. The plurality of heat dissipation fins 14 are spaced-apart on the upper connecting plate 12 to form the heat sink 10, which has a good heat dissipation effect. The cavity between two adjacent heat dissipation fins 14 allows airflow to pass through, and the airflow contacts the heat dissipation fins 14 to achieve heat dissipation.

[0036] A heat-insulating sealing gasket 15 is fitted around the semiconductor cooling chip 11, and the heat-insulating sealing gasket 15 is tightly connected between the heat sink 10 and the cup holder 2. The upper end of the heat-insulating sealing gasket 15 contacts the bottom of the cup holder 4, and the lower end of the heat-insulating sealing gasket 15 contacts the upper connecting plate 12 of the heat sink 10. The heat sink 10 and the cup holder 4 are fastened together with screws. A sealing felt 16 is installed between the lower end of the heat sink 10 and the lower side wall of the heat dissipation cavity 3. The sealing felt 16 plays a sealing role, which is conducive to creating a single air duct to allow air to enter from the front end of the heat dissipation fins 14.

[0037] Temperature sensors are installed between the thermoelectric cooler 11 and the cup holder 2, as well as on the heat sink 10. The temperature sensor between the thermoelectric cooler 11 and the cup holder 2 can monitor the temperature at the cup holder 2 in real time, thereby enabling temperature control for cooling and heating of the cup holder. The temperature sensor installed on the heat sink 10 monitors the temperature of the heat sink 10 in real time and provides overheat protection.

[0038] A fan 17 is installed on the housing 1. Both heat dissipation chambers 3 are connected to the air inlets of the fan 17, forming a single-fan, dual-heat dissipation channel structure. The fan 17 is installed at the bottom of the lower housing 9. The air inlet of the radiator 10 faces outward from the housing 1. A ventilation gap 18 is reserved between the air outlet of the radiator 10 and the inner wall of the radiator 10. A flow channel 19 is provided on the housing 1, connecting the ventilation gap 18 and the air inlet of the fan 17. The flow channel 19 is located between the two heat dissipation chambers 3. The air inlet of the radiator 10 faces forward, and the air outlet of the radiator 10 faces backward. The fan 17 is a centrifugal fan. The air inlet of the fan 17 faces upward, and the air outlet of the fan 17 is sideways. The fan 17 draws in air from above and exhausts it from the side for heat dissipation. The air outlet of the fan 17 is connected to an exhaust duct 20 that is connected to the air duct inside the car armrest box. The opening of the exhaust duct 20 faces downward.

[0039] When the fan 17 is working, fresh air outside the casing 1 flows to the air inlet of the radiator 10, cools the radiator 10, and then flows from the air outlet of the radiator 10 to the ventilation gap 18, then into the flow duct 19, and finally outward after passing through the fan 17. The hot air generated when the cup holder is cooling is directly discharged into the air duct in the armrest box to prevent the local ambient temperature from rising and affecting the cooling effect of the cup holder and the heat dissipation effect of the radiator 10.

[0040] Specifically, such as Figure 1 As shown, the upper housing 8 and the lower housing 9 are fastened together. The upper edge of the lower housing 9 has an insertion hole 21, and the lower edge of the upper housing 8 has a snap-fit ​​connector 22 and a plug-in seat 23. The plug-in seat 23 has a clamping groove 24. The snap-fit ​​connector 22 is inserted into the insertion hole 21, and the clamping groove 24 on the plug-in seat 23 clamps the upper edge of the lower housing 9. The upper edge of the mounting groove 5 on the upper housing 8 has a clearance notch 25 corresponding to the notch groove 7. The clearance notch 25, corresponding to the notch groove 7, serves a clearance function, facilitating the use and placement of the cup. Connecting ears 26 are provided on both the front and rear sides of the upper housing 8, and connecting holes are provided on the connecting ears 26, facilitating the connection of the cup holder device to the vehicle. The fan 17 is installed at the lower middle position of the lower housing 9, and the exhaust duct 20 and the fan 17 are arranged horizontally side-by-side.

[0041] like Figure 2 As shown, the upper shell 8 has a mounting groove 5 on its top. The cup holder 4 and the upper shell 8 are separate structures. The cup holder groove 2 is set on the cup holder 4. After the cup holder 4 is installed into the mounting groove 5, PU foam material is filled between the inner wall of the mounting groove 5 and the outer wall of the cup holder 4 to form a heat insulation layer 6. The semiconductor cooling chip 11 and the heat insulation sealing gasket 15 are loaded between the heat sink 10 and the cup holder 4, and then the cup holder 4 and the heat sink 10 are connected and fastened with screws. Finally, the upper shell 8 and the lower shell 9 are assembled together to form an integral structure.

[0042] like Figure 3 As shown, the air inlet of the fan 17 faces upward and is directly opposite the flow duct 19 in the middle of the lower housing 9. Two radiators 10 are arranged on the left and right sides of the flow duct 19. The cavity between the rear end of the radiator 10 and the rear side wall of the radiator 10 forms a ventilation gap 18, which is connected to the flow duct 19.

[0043] like Figure 4 As shown, the fan 17 is installed at the lower end of the lower housing 9, and the air outlet of the fan 17 is set to the left.

[0044] The cup holder 2 is used to hold and position the cup. The thermoelectric cooler 11 can achieve both cooling and heating. By switching the direction of the current to the thermoelectric cooler 11, the cold and hot sides of the thermoelectric cooler 11 can be switched, thereby achieving the effects of cooling and heating the cup. When the cup is placed in the cup holder 2, and cooling is needed, the thermoelectric cooler 11 is energized. The side of the thermoelectric cooler 11 facing the cup holder 2 is the cold side, and the side facing the heat sink 10 is the hot side. The cold side absorbs heat from the cup, thus achieving the cooling effect. The radiator 10 absorbs heat from the hot surface, and the fan 17 draws in hot air from the two heat dissipation chambers 3, causing the airflow to flow along the heat dissipation channel. As fresh external air flows into the heat dissipation chambers 3, it cools the radiator 10. The airflow flows from the outlet of the radiator 10 to the ventilation gap 18, then into the flow channel 19, and finally outwards after passing through the fan 17. This directly exhausts the hot air generated during the cup holder's cooling process into the air duct inside the armrest box, preventing localized temperature increases from affecting the cup holder's cooling effect and the radiator 10's heat dissipation. When it is necessary to heat and keep the cup warm, simply switch the current direction of the semiconductor cooling chip 11; the fan 17 does not need to operate. At this time, the side of the semiconductor cooling chip 11 facing the cup holder slot 2 is the hot surface, which heats the cup, achieving the effect of heating and keeping it warm.

[0045] The entire cup holder device features two cup holder slots 2, two heat sinks 10, and two thermoelectric coolers 11, capable of accommodating two cups simultaneously. Whether one cup holder slot 2 is cooled or both are cooled at the same time, hot air can be expelled simply by activating the fan 17. Only one fan 17 is needed to achieve independent cooling or heating functions for both cup holder slots 2, and the overall cup holder has a small footprint and low cost. Each cup holder slot 2 is equipped with an independent thermoelectric cooler 11, resulting in good cooling and heating performance. The cup holder slots 2 are mounted on the cup holder body 4, which is a separate structure from the housing 1, allowing for easy assembly and disassembly. Different sizes and styles of cup holder bodies 4 can be selected and installed on the housing 1 according to usage requirements, offering flexibility and convenience. A notch 7 is provided on the upper edge of the cup holder slot 2 for easy removal and placement of cups. A heat-insulating sealing gasket 15 is installed on the outside of the thermoelectric cooler 11 to isolate the cup holder body 4 from the heat sink 10, preventing heat exchange between the cold and hot surfaces from affecting performance.

[0046] Example 2: A single-fan, dual-channel hot and cold cup holder ( Figure 3 , Figure 5The device includes a housing 1, on which two cup holder slots 2 and two heat dissipation cavities 3 are provided. Two aluminum cup holders 4 are also provided on the housing 1, with the cup holder slots 2 respectively positioned on the two cup holders 4. The cup holder slots 2 are located on the cup holders 4, and the cup holders 4 and housing 1 are separate structures, allowing for easy assembly and disassembly. Different sizes and styles of cup holders 4 can be selected and installed on the housing 1 according to usage requirements, offering flexibility and convenience. Two mounting slots 5 are provided on the housing 1, and the cup holders 4 are installed in the mounting slots 5. An insulation layer 6 is installed between the mounting slots 5 and the cup holders 4. The cup holders 4 are connected to the mounting slots 5 on the housing 1, and the insulation layer 6 between the mounting slots 5 and the cup holders 4 ensures airtightness, effectively improves insulation performance, and reduces energy consumption. The insulation layer 6 uses a PU foaming process; after foaming, it fills the gap between the mounting slots 5 and the cup holders 4 and securely connects them.

[0047] A notch 7 is provided on the upper edge of the cup holder 2, and the notch 7 and the upper edge of the cup holder 2 are curved. The notch 7 makes it convenient to take out and place the cup. If the cup is short, it can be taken out through the notch 7. If the cup has a stem, the stem can be placed in the notch 7 to ensure that the cup is placed stably.

[0048] The housing 1 is divided into an upper housing 8 and a lower housing 9, which are fastened together. The mounting groove 5 is set on the upper housing 8 and has an opening at the top. The heat dissipation cavity 3 is set on the lower housing 9 and has openings at the top and front. The two heat dissipation cavities 3 are arranged opposite each other on the left and right.

[0049] A heat sink 10 is installed inside the heat dissipation cavity 3, and a thermoelectric cooler 11 is installed between the heat sink 10 and the cup holder 2. The heat sink 10 includes an upper connecting plate 12 and a plurality of spaced-apart heat dissipation fins 14. The heat dissipation fins 14 are arranged vertically and connected to the upper connecting plate 12. The thermoelectric cooler 11 is connected to the upper connecting plate 12. The plurality of heat dissipation fins 14 are spaced-apart on the upper connecting plate 12 to form the heat sink 10, which has a good heat dissipation effect. The cavity between two adjacent heat dissipation fins 14 allows airflow to pass through, and the airflow contacts the heat dissipation fins 14 to achieve heat dissipation.

[0050] A heat-insulating sealing gasket 15 is fitted around the semiconductor cooling chip 11, and the heat-insulating sealing gasket 15 is tightly connected between the heat sink 10 and the cup holder 2. The upper end of the heat-insulating sealing gasket 15 contacts the bottom of the cup holder 4, and the lower end of the heat-insulating sealing gasket 15 contacts the upper connecting plate 12 of the heat sink 10. The heat sink 10 and the cup holder 4 are fastened together with screws. A sealing felt 16 is installed between the lower end of the heat sink 10 and the lower side wall of the heat dissipation cavity 3. The sealing felt 16 plays a sealing role, which is conducive to creating a single air duct to allow air to enter from the front end of the heat dissipation fins 14.

[0051] Temperature sensors are installed between the thermoelectric cooler 11 and the cup holder 2, as well as on the heat sink 10. The temperature sensor between the thermoelectric cooler 11 and the cup holder 2 can monitor the temperature at the cup holder 2 in real time, thereby enabling temperature control for cooling and heating of the cup holder. The temperature sensor installed on the heat sink 10 monitors the temperature of the heat sink 10 in real time and provides overheat protection.

[0052] A fan 17 is installed on the housing 1. Both heat dissipation chambers 3 are connected to the air inlets of the fan 17, forming a single-fan, double-heat dissipation channel structure. The fan 17 is installed at the bottom of the lower housing 9. The air inlet of the radiator 10 faces outward from the housing 1. A ventilation gap 18 is reserved between the air outlet of the radiator 10 and the inner wall of the radiator 10. A flow channel 19 is provided on the housing 1, connecting the ventilation gap 18 and the air inlet of the fan 17. The flow channel 19 is located between the two heat dissipation chambers 3. The air inlet of the radiator 10 faces forward, and the air outlet of the radiator 10 faces backward. The fan 17 is an axial flow fan, with the air inlet of the fan 17 facing upward and the air outlet of the fan 17 facing downward; the fan 17 draws in air from above and exhausts it from below.

[0053] When the fan 17 is working, fresh air outside the casing 1 flows to the air inlet of the radiator 10, cools the radiator 10, flows from the air outlet of the radiator 10 to the ventilation gap 18, then flows into the flow channel 19, and finally is discharged outward after passing through the fan 17.

[0054] Specifically, such as Figure 3 , Figure 5 As shown, the upper housing 8 and the lower housing 9 are fastened together. The lower housing 9 has an insertion hole 21 on its upper edge, and the upper housing 8 has a snap-fit ​​connector 22 and a plug-in seat 23 on its lower edge. The plug-in seat 23 has a clamping groove 24. The snap-fit ​​connector 22 is inserted into the insertion hole 21, and the clamping groove 24 on the plug-in seat 23 clamps the upper edge of the lower housing 9. The upper edge of the mounting groove 5 on the upper housing 8 has a clearance notch 25 corresponding to the notch groove 7. The clearance notch 25, corresponding to the notch groove 7, serves to facilitate the removal and placement of the cup. Connecting ears 26 are provided on both the front and rear sides of the upper housing 8, and connecting holes are provided on the connecting ears 26 to facilitate the connection of the cup holder device to the vehicle. The fan 17 is installed at the lower middle position of the lower housing 9.

[0055] The upper housing 8 has a mounting groove 5 on its top. The cup holder 4 and the upper housing 8 are separate structures. The cup holder groove 2 is set on the cup holder 4. After the cup holder 4 is installed into the mounting groove 5, PU foam material is filled between the inner wall of the mounting groove 5 and the outer wall of the cup holder 4 to form an insulation layer 6. The semiconductor cooling chip 11 and the heat insulation sealing gasket 15 are loaded between the heat sink 10 and the cup holder 4, and then the cup holder 4 and the heat sink 10 are connected and fastened with screws. Finally, the upper housing 8 and the lower housing 9 are assembled together to form an integral structure.

[0056] The air inlet of the fan 17 faces upwards and is directly opposite the flow duct 19 in the middle of the lower housing 9. Two radiators 10 are arranged on the left and right sides of the flow duct 19. The cavity between the rear end of the radiator 10 and the rear side wall of the radiator 10 forms a ventilation gap 18, which is connected to the flow duct 19. The fan 17 is installed at the lower end of the lower housing 9, and the air outlet of the fan 17 is arranged to the left.

[0057] The cup holder 2 is used to hold the cup and position it. The thermoelectric cooler 11 can achieve both cooling and heating. By switching the direction of the current in the thermoelectric cooler 11, the cold and hot sides of the thermoelectric cooler 11 can be switched, thereby achieving the effects of cooling and heating the cup. When the cup is placed in the cup holder 2, the thermoelectric cooler 11 is energized when cooling is needed. The side of the thermoelectric cooler 11 facing the cup holder 2 is the cold side, and the side facing the radiator 10 is the hot side. The cold side absorbs heat from the cup, thus achieving the cooling effect. The radiator 10 absorbs heat from the hot side, and the fan 17 draws in hot air from the two heat dissipation chambers 3, causing the airflow to flow along the heat dissipation channel. As fresh air from outside flows into the heat dissipation chambers 3, it dissipates heat and cools the radiator 10. The airflow flows from the air outlet of the radiator 10 to the ventilation gap 18, then into the flow channel 19, and finally is discharged outward after passing through the fan 17. When the cup needs to be heated and kept warm, simply switch the current direction of the semiconductor cooling chip 11; the fan 17 does not need to operate. At this time, the side of the semiconductor cooling chip 11 facing the cup holder 2 is the heated side. The heated side heats up the cup, achieving the effect of heating and keeping it warm.

[0058] The entire cup holder device features two cup holder slots 2, two heat sinks 10, and two thermoelectric coolers 11, capable of accommodating two cups simultaneously. Whether one cup holder slot 2 is cooled or both are cooled at the same time, hot air can be expelled simply by activating the fan 17. Only one fan 17 is needed to achieve independent cooling or heating functions for both cup holder slots 2, and the overall cup holder has a small footprint and low cost. Each cup holder slot 2 is equipped with an independent thermoelectric cooler 11, resulting in good cooling and heating performance. The cup holder slots 2 are mounted on the cup holder body 4, which is a separate structure from the housing 1, allowing for easy assembly and disassembly. Different sizes and styles of cup holder bodies 4 can be selected and installed on the housing 1 according to usage requirements, offering flexibility and convenience. A notch 7 is provided on the upper edge of the cup holder slot 2 for easy removal and placement of cups. A heat-insulating sealing gasket 15 is installed on the outside of the thermoelectric cooler 11 to isolate the cup holder body 4 from the heat sink 10, preventing heat exchange between the cold and hot surfaces from affecting performance.

[0059] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the present invention in any way. Other variations and modifications may be made without departing from the technical solutions described in the claims.

Claims

1. A single-fan, dual-channel hot and cold cup holder, characterized in that, The device includes a housing with two cup holders and two heat dissipation cavities. A heat sink is installed in the heat dissipation cavity, and a semiconductor cooling chip is installed between the heat sink and the cup holder. A fan is installed on the housing, and both heat dissipation cavities are connected to the air inlet of the fan to form a single fan dual heat dissipation channel structure.

2. The single-fan dual-channel hot and cold cup holder according to claim 1, characterized in that, The air inlet of the radiator faces outward from the casing, and a ventilation gap is reserved between the air outlet of the radiator and the inner wall of the radiator. An airflow duct is provided on the casing, which connects the ventilation gap and the air inlet of the fan.

3. The single-fan dual-channel hot and cold cup holder according to claim 1, characterized in that, The heat sink includes an upper connecting plate and several spaced-apart heat dissipation fins. The heat dissipation fins are connected to the upper connecting plate, and the semiconductor cooling chip is connected to the upper connecting plate.

4. A single-fan, dual-channel hot and cold cup holder according to claim 1, characterized in that, The shell has two cup holders, and two cup slots are respectively set on the two cup holders.

5. A single-fan, dual-channel hot and cold cup holder according to claim 4, characterized in that, Two mounting slots are provided on the shell, the cup holder is installed in the mounting slots, and an insulation layer is installed between the mounting slots and the cup holder.

6. A single-fan, dual-channel hot and cold cup holder according to claim 1, characterized in that, A notch is provided on the upper edge of the cup holder slot.

7. A single-fan, dual-channel hot and cold cup holder according to claim 1, characterized in that, The semiconductor cooling chip is surrounded by a heat-insulating sealing gasket, which is tightly connected between the heat sink and the cup holder.

8. A single-fan, dual-channel hot and cold cup holder according to claim 1, characterized in that, Temperature sensors are installed between the semiconductor cooling chip and the cup holder, as well as on the heat sink.

9. A single-fan, dual-channel hot and cold cup holder according to claim 1, characterized in that, The fan's air inlet faces upwards, while its air outlet is positioned to the side; the fan draws air in from above and exhausts it from the side for heat dissipation.

10. A single-fan dual-channel hot and cold cup holder according to any one of claims 1 to 9, characterized in that, The air outlet of the fan is connected to the exhaust duct that connects to the air duct inside the armrest box of the car.

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