Flame-retardant power adapter

Abstract

The utility model provides a flame-retardant power adapter which comprises a shell and a power adapter body, the bottom of the shell is provided with a mounting cavity, the top of the mounting cavity is provided with a plurality of groups of nut columns, the mounting cavity is internally provided with a copper plate, the peripheral side of the copper plate is provided with a plurality of groups of connecting seats, and the plurality of groups of connecting seats are respectively connected with the plurality of groups of nut columns through screws. A power adapter body is arranged at the top of the copper plate, a square groove is formed in the top of the copper plate, a semiconductor chilling plate is installed in the square groove and makes contact with the power adapter body, a plurality of sets of heat dissipation fins which are annularly arranged are arranged at the bottom of the copper plate, and a fan mechanism is arranged at the bottom of the copper plate; according to the power adapter, heat generated when the power adapter body works can be rapidly absorbed through the arrangement of the semiconductor chilling plate, then the heat is rapidly dissipated through the multiple sets of heat dissipation fins at the bottom of the copper plate and the fan mechanism, the problems that heat of a traditional power adapter is continuously accumulated, and the spontaneous combustion risk is increased are solved, and safety is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of power adapters, and more specifically, particularly relates to a flame-retardant power adapter. Background Art

[0002] With the wide application of electronic devices, as an important component for providing stable power to electronic devices, the safety and reliability of power adapters have attracted increasing attention; in modern life, power adapters are almost everywhere, and they are indispensable for mobile phones, tablet computers, laptop computers, household appliances, etc.

[0003] Currently, during the operation of existing power adapters in extreme environments, due to the influence of the external environment and the long-term operation of the internal circuit, a large amount of heat may be generated or even a short circuit may occur. If this heat cannot be dissipated in a timely and effective manner, the internal temperature of the power adapter will increase, thereby increasing the risk of spontaneous combustion and causing fires, posing a threat to people's life and property safety. Summary of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides a flame-retardant power adapter to solve the technical problem that in the prior art, during the operation of traditional power adapters in a high-temperature environment, due to the influence of the external environment and the long-term operation of the internal circuit, a large amount of heat is generated and accumulated inside, increasing the risk of spontaneous combustion.

[0005] The purpose and effect of the flame-retardant power adapter of the utility model are achieved by the following specific technical means:

[0006] A flame-retardant power adapter includes a housing and a power adapter body. An installation cavity is provided at the bottom of the housing. A plurality of nut columns are arranged at the top of the installation cavity. A copper plate is arranged inside the installation cavity. A plurality of connecting seats are arranged on the periphery of the copper plate. The plurality of connecting seats are respectively connected to the plurality of nut columns by screws. The power adapter body is arranged on the top of the copper plate. A square groove is opened on the top of the copper plate. A semiconductor refrigeration chip is installed inside the square groove. The semiconductor refrigeration chip is in contact with the power adapter body. A plurality of heat dissipation fins arranged in a ring are arranged at the bottom of the copper plate. A fan mechanism is arranged at the bottom of the copper plate.

[0007] According to a preferred embodiment, a boss is arranged at one end of the housing, a wire passing hole is arranged at the other end, and a plurality of equally spaced air inlets are opened on both sides of the housing.

[0008] According to a preferred embodiment, a plurality of connection ports are arranged at one end of the boss. The plurality of connection ports are all electrically connected to the power adapter body; one end of the power cord passes through the wire passing hole and is connected to the power adapter body.

[0009] According to a preferred embodiment, a bottom plate is provided at the bottom of the housing, and a plurality of groups of air outlets arranged radially are formed on the bottom plate.

[0010] According to a preferred embodiment, a plurality of groups of mounting holes are formed at the bottom of the power adapter body, and the plurality of groups of mounting holes are respectively fixed to the top of the copper plate by a plurality of screws.

[0011] According to a preferred embodiment, a temperature sensor and a buzzer are provided on the power adapter body.

[0012] According to a preferred embodiment, a fire-resistant coating is provided on the inner side surface of the housing.

[0013] Compared with the prior art, the present utility model has the following beneficial effects:

[0014] 1. By providing an installation cavity at the bottom of the housing, a copper plate is provided inside the installation cavity, and a semiconductor refrigeration sheet is provided on the top of the copper plate. The semiconductor refrigeration sheet on the top of the copper plate is in contact with the power adapter body, and can quickly absorb the heat generated when the power adapter body works. Then, the heat is quickly dissipated through a plurality of groups of heat dissipation fins arranged in a ring shape at the bottom of the copper plate and a fan mechanism; this heat dissipation mode can effectively control the temperature inside the power adapter within a lower range, reduce the risk of fire caused by overheating and spontaneous combustion under high working loads in extreme environments, and improve safety.

[0015] 2. By providing a temperature sensor and a buzzer, double protection is provided for the safe operation of the device; the temperature sensor can monitor the working temperature of the power adapter body in real time. Once the temperature exceeds the safety threshold, the buzzer will sound an alarm to remind the user to take timely measures to avoid dangerous situations; and a fire-resistant coating is provided on the inner side surface of the housing, providing multiple protections for the personal and property safety of the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of a flame-retardant power adapter of the present utility model;

[0017] Figure 2 It is an exploded view of a flame-retardant power adapter of the present utility model;

[0018] Figure 3 It is a schematic structural diagram of the housing and the bottom plate of a flame-retardant power adapter of the present utility model after being disassembled;

[0019] Figure 4 It is a schematic structural diagram of the power adapter body and the copper plate of a flame-retardant power adapter of the present utility model after being disassembled.

[0020] In the figure, the correspondence between the part names and the drawing numbers is as follows:

[0021] 11. Outer shell; 12. Power adapter body; 13. Fire-resistant coating; 14. Copper plate; 15. Connection seat; 16. Semiconductor refrigeration chip; 17. Heat dissipation fins; 18. Fan mechanism; 19. Nut post; 20. Air inlet; 21. Boss; 22. Threading hole; 23. Connection port; 24. Power cord; 25. Bottom plate; 26. Air outlet; 27. Temperature sensor; 28. Buzzer. Specific implementation mode

[0022] The following further describes the implementation mode of the present utility model in detail in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0023] Embodiment:

[0024] As shown in the attached Figure 1 to the attached Figure 4 shown:

[0025] The present utility model provides a flame-retardant power adapter, including an outer shell 11 and a power adapter body 12; an installation cavity is provided at the bottom of the outer shell 11, and multiple groups of nut posts 19 are arranged at the top of the installation cavity. Inside the installation cavity, a copper plate 14 is provided. Multiple groups of connection seats 15 are arranged on the peripheral side of the copper plate 14, and these multiple groups of connection seats 15 are respectively and firmly connected to the above-mentioned multiple groups of nut posts 19 by screws, so as to fix the copper plate 14 inside the installation cavity. On the top of the copper plate 14, the power adapter body 12 is provided; in addition, a square groove is opened on the top of the copper plate 14, and a semiconductor refrigeration chip 16 is installed inside this square groove. This semiconductor refrigeration chip 16 is in close contact with the power adapter body 12 to ensure that the semiconductor refrigeration chip 16 can quickly absorb the heat generated by the power adapter body 12, achieving better heat dissipation performance; at the same time, multiple groups of annularly arranged heat dissipation fins 17 are provided at the bottom of the copper plate 14, and a fan mechanism 18 is also configured at the bottom of the copper plate 14, and the heat is quickly dissipated through the multiple groups of annularly arranged heat dissipation fins 17 and the fan mechanism 18 at the bottom.

[0026] Among them, please refer to the attached Figure 2 and the attached Figure 3As shown in the figure, one end of the outer shell 11 is provided with a boss 21, and the other end is provided with a wire passing hole 22, which is convenient for the introduction of the power cord 24 and ensures the neat wiring of the power cord 24. It is worth mentioning that a plurality of groups of equally spaced air inlets 20 are provided on both sides of the outer shell 11. These air inlets 20 can provide sufficient air circulation for the internal heat dissipation system and work together with the aforementioned heat dissipation fins 17 and the fan mechanism 18, greatly improving the heat dissipation performance of the whole machine. It not only effectively controls the working temperature of the power adapter, but also minimizes the safety hazard of fire caused by overheating.

[0027] Among them, please refer to the attached Figure 2 With the attached Figure 3 As shown in the figure, one end of the boss 21 is provided with a plurality of groups of connection ports 23. This not only meets the power supply requirements of a single electronic device, but also can supply power to multiple devices at the same time. These connection ports 23 are all electrically connected to the power adapter body 12. Users only need to connect the charging cables of various devices to the corresponding connection ports 23 to realize the power supply function of multi-purpose use of one machine. At the same time, one end of the power cord 24 passes through the wire passing hole 22 and is connected to the power adapter body 12, ensuring the input of power. It not only improves the applicable range of the power adapter, but also can effectively prevent the power cord 24 from loosening or falling off during use, further enhancing the overall use safety.

[0028] Among them, please refer to the attached Figure 2 With the attached Figure 4 As shown in the figure, a bottom plate 25 is further provided at the bottom of the outer shell 11. A plurality of groups of air outlet holes 26 arranged in a radial pattern are provided on this bottom plate 25. These air outlet holes 26 echo the aforementioned air inlets 20 and jointly form a good air flow circulation channel. When the internal fan mechanism 18 operates, the heat will be taken out and discharged into the external environment through these air outlet holes 26. The air flow circulation mode of inhaling cold air through a plurality of groups of air inlets 20 and discharging heat through the air outlet holes 26 after passing through the internal heat dissipation system can significantly improve the heat dissipation efficiency of the fan mechanism 18 and ensure that the power adapter can maintain a stable and reliable operating state even when working at high load for a long time.

[0029] Among them, please refer to the attached Figure 1 As shown in the figure, a plurality of groups of mounting holes are provided at the bottom of the power adapter body 12. The plurality of groups of mounting holes are respectively fixed on the top of the copper plate 14 through a plurality of groups of screws. A temperature sensor 27 and a buzzer 28 are provided on the power adapter body 12. When the temperature exceeds the safety threshold, the buzzer 28 will emit an alarm sound to remind the user to take relevant measures as soon as possible to prevent dangerous situations from occurring.

[0030] Among them, please refer to Figure 3As shown, a fireproof coating 13 is provided on the inner side of the outer shell 11. This coating can improve the fire safety performance of the outer shell 11 and delay the spread of fire, providing multiple guarantees for the safe operation of the equipment.

[0031] Specific usage method and function of this embodiment: When using this equipment, the semiconductor refrigeration chip 16 immediately starts to cool down, and the fan mechanism 18 immediately starts to dissipate heat. The semiconductor refrigeration chip 16 contacts the power adapter body 12 and can quickly absorb the heat generated when the power adapter body 12 works. Then, through multiple groups of annularly arranged heat dissipation fins 17 at the bottom of the copper plate 14 and the fan mechanism 18, the heat is quickly dissipated; this heat dissipation mode can effectively control the temperature inside the power adapter within a lower range, reducing the risk of fire caused by overheating and spontaneous combustion of the power adapter under extreme working environments and high working loads.

[0032] In addition, a temperature sensor 27 and a buzzer 28 are also provided on the power adapter body 12. Once the temperature of the power adapter exceeds the safety threshold, the buzzer 28 will sound an alarm to remind the user to take measures in time to avoid dangerous situations. This function plays a key role when the user fails to notice the abnormal heating of the equipment in time and can effectively prevent fire accidents; and a fireproof coating 13 is provided on the inner side of the outer shell 11, providing multiple guarantees for the safe operation of the equipment.

[0033] The embodiments of the present utility model are given for purposes of illustration and description, and are not exhaustive or limit the present utility model to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles and practical applications of the present utility model, and to enable those of ordinary skill in the art to understand the present utility model and thus design various embodiments with various modifications suitable for specific purposes.

Claims

1. A flame-retardant power adapter, comprising a housing (11) and a power adapter body (12), characterized in that: The bottom of the housing (11) is provided with an installation cavity. Multiple nut columns (19) are arranged at the top of the installation cavity. A copper plate (14) is arranged inside the installation cavity. Multiple connecting seats (15) are arranged on the peripheral side of the copper plate (14). The multiple connecting seats (15) are respectively connected to the multiple nut columns (19) by screws. The power adapter body (12) is arranged on the top of the copper plate (14). A square groove is formed in the top of the copper plate (14). A semiconductor refrigeration sheet (16) is installed inside the square groove. The semiconductor refrigeration sheet (16) is in contact with the power adapter body (12). Multiple heat dissipation fins (17) arranged in a ring are arranged at the bottom of the copper plate (14). A fan mechanism (18) is arranged at the bottom of the copper plate (14).

2. The flame-retardant power adapter according to claim 1, characterized in that: One end of the housing (11) is provided with a boss (21), and the other end is provided with a wire passing hole (22). Multiple equally spaced air inlets (20) are formed on both sides of the housing (11).

3. The flame-retardant power adapter according to claim 2, wherein: Multiple connection ports (23) are arranged at one end of the boss (21). The multiple connection ports (23) are all electrically connected to the power adapter body (12); one end of a power cord (24) passes through the wire passing hole (22) and is connected to the power adapter body (12).

4. The flame-retardant power adapter according to claim 2, characterized in that: A bottom plate (25) is arranged at the bottom of the housing (11). Multiple air outlets (26) arranged in a radial pattern are formed on the bottom plate (25).

5. A flame-retardant power adapter according to claim 1, characterized in that: Multiple installation holes are formed in the bottom of the power adapter body (12). The multiple installation holes are respectively fixed to the top of the copper plate (14) by multiple screws.

6. A flame-retardant power adapter according to claim 1, characterized in that: A temperature sensor (27) and a buzzer (28) are arranged on the power adapter body (12).

7. A flame-retardant power adapter according to claim 1, characterized in that: A fireproof coating (13) is arranged on the inner side surface of the housing 11).

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