Portable insulation board

Abstract

The utility model discloses a portable insulation board which comprises a hollow shell, a heating film is arranged in an inner cavity of the hollow shell, a heat conduction face is arranged on the top of the hollow shell, and the heating film can conduct heat to the heat conduction face. The power supply assembly is arranged on the hollow shell and comprises a battery and a PCBA board, and the heating film is electrically connected with the battery through the PCBA board; the input interface is arranged on the PCBA board; and the output interface is arranged on the PCBA board. The power supply assembly is connected with an external power source through the input interface, electric energy can be stored in the battery, the heating film works through the electric energy stored in the battery, and the power supply assembly is connected with the external power source through the output interface and can charge external equipment. Compared with the prior art, the portable power supply can be applied to outdoor scenes without power supplies, so that the outdoor portable effect is realized, on the other hand, external equipment (such as a mobile phone, a tablet computer and other electronic equipment) can be charged through the output interface, and the application range of the portable power supply is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal insulation boards, in particular to a portable thermal insulation board. Background Art

[0002] The insulation board is mainly used to maintain the temperature of the food. Put the food on the top of the board and start the heating component to heat the food at a constant temperature.

[0003] The existing thermal insulation board has a single function and can meet more market demands. Utility Model Content

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the utility model aims to provide a portable insulation board.

[0005] To achieve the above purpose, the technical solution of the utility model is as follows:

[0006] A portable insulation board, comprising:

[0007] A hollow shell, an inner cavity is provided with a heating film, and a top is provided with a heat-conducting surface, and the heating film can conduct heat to the heat-conducting surface;

[0008] A power supply component is provided on the hollow housing, comprising a battery and a PCBA board, and the heating film is electrically connected to the battery through the PCBA board;

[0009] An input interface, provided on the PCBA board, for charging the battery;

[0010] The output interface is provided on the PCBA board and is used to charge external devices.

[0011] Preferably, the hollow shell includes a connected insulation bottom plate and insulation edging, and a heat conducting plate, the insulation edging is fixed to the edge of the heat conducting plate by a pressing process, the heating film is attached to the inner end surface of the heat conducting plate, and the heat conducting surface is arranged on the outer end surface of the heat conducting plate.

[0012] Preferably, the thermal insulation bottom plate and the thermal insulation edging are integrally formed by rubber injection molding.

[0013] Preferably, the heat conducting plate is made of aluminum.

[0014] Preferably, it also includes:

[0015] The Type-c female socket is arranged on the hollow shell and connected to the heating film through a terminal wire.

[0016] Preferably, the power supply component includes:

[0017] The bottom shell is provided with a first cavity and a second cavity, and the battery and the PCBA board are both arranged on the first cavity;

[0018] An assembly slot is provided at the bottom side of the second chamber and passes through the side of the bottom shell, and the side of the hollow shell can pass through the assembly slot;

[0019] An upper cover, detachably disposed on the top of the bottom shell and capable of covering the first chamber and the second chamber;

[0020] The locking structure acts on the hollow shell and can fix the side of the hollow shell in the second chamber.

[0021] Preferably, the locking structure comprises:

[0022] A columnar rib is provided at the bottom of the upper cover, extending toward the bottom side close to the second chamber, and is provided with a first threaded hole along the axis, wherein the top end of the first threaded hole passes through the upper cover, and the bottom end of the first threaded hole passes through the columnar rib;

[0023] A second threaded hole, corresponding one-to-one to the columnar ribs, is opened on the bottom wall of the second chamber;

[0024] The screw can be threadably matched with the first threaded hole and the second threaded hole.

[0025] Preferably, it also includes:

[0026] The cover pad corresponds to the first threaded hole one by one, is detachably fixed to the top of the first threaded hole, and is flush with the top surface of the upper cover.

[0027] Preferably, a battery compartment and an assembly boss are provided in the first cavity, a conductive sheet contacting and conducting with the battery is provided in the battery compartment, the conductive sheet is connected to the PCBA board, and the PCBA board is arranged on the assembly boss.

[0028] Preferably, it also includes:

[0029] The key switch is arranged on the PCBA board, and the pressing portion thereof is exposed on the top surface of the upper cover.

[0030] The beneficial effects of the utility model are: the power supply component is connected to the external power supply through the input interface, and the electric energy can be stored in the battery. The heating film works through the electric energy stored in the battery. The power supply component is connected to the external power supply through the output interface, and can charge external devices. Compared with the prior art, the utility model can be applied to outdoor scenes without power supply, thereby achieving the effect of outdoor portability. On the other hand, it can charge external devices (such as mobile phones, tablets and other electronic devices) through the output interface, thereby broadening the scope of application of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0032] Figure 2 This is one of the exploded views of the embodiments of the present invention;

[0033] Figure 3 This is the second exploded view of the embodiment of the present invention.

[0034] As shown in the figure:

[0035] 1-hollow shell, 11-heating film, 12-insulating bottom plate, 13-insulating edge, 14-heat conducting plate, 141-heat conducting surface, 15-Type-c female seat;

[0036] 2-power supply assembly, 21-input interface, 22-output interface, 23-battery, 24-PCBA board, 25-bottom shell, 251-first chamber, 252-second chamber, 2521-assembly slot, 26-upper cover, 261-columnar rib position, 27-cover pad, 28-button switch. DETAILED DESCRIPTION

[0037] The following is a detailed explanation of the implementation of the present invention in conjunction with the accompanying drawings. The accompanying drawings are for reference and illustration only and do not constitute a limitation on the scope of patent protection of the present invention.

[0038] See also Figure 1-Figure 3 In this embodiment, a portable insulation board includes:

[0039] The hollow shell 1 has a heating film 11 in the inner cavity and a heat-conducting surface 141 on the top. The heating film 11 can conduct heat to the heat-conducting surface 141.

[0040] The power supply component 2 is provided on the hollow housing 1, and includes a battery 23 and a PCBA board 24, and the heating film 11 is electrically connected to the battery 23 through the PCBA board 24;

[0041] An input interface 21, provided on the PCBA board 24, for charging the battery 23;

[0042] The output interface 22 is provided on the PCBA board 24 and is used for charging external devices.

[0043] Furthermore, the input interface 21 includes a 5V3A interface and / or a DC24V interface. In this embodiment, the input interface 21 includes a 5V3A interface and a DC24V interface. The 5V3A interface is connected to the power supply through a power adapter and a Type-c cable, and the DC24V interface is connected to the solar panel through wires, thereby realizing multiple charging methods; the output interface 22 is a UCB interface, which is used to charge electronic devices.

[0044] Preferably, the hollow shell 1 includes a connected insulation bottom plate 12 and an insulation edging 13, and a heat conducting plate 14, the insulation edging 13 is fixed to the edge of the heat conducting plate 14 by a pressing process, the heating film 11 is attached to the inner end surface of the heat conducting plate 14, and the heat conducting surface 141 is arranged on the outer end surface of the heat conducting plate 14.

[0045] In this embodiment, an anti-skid structure is also included, which is arranged at the bottom of the heat-insulating bottom plate 12, so as to prevent the hollow housing 1 from sliding relative to the desktop during use.

[0046] Preferably, the heat-insulating bottom plate 12 and the heat-insulating edge 13 are integrally formed by rubber injection molding.

[0047] In this embodiment, the anti-skid structure is L-shaped, and there are four anti-skid structures in total. The four anti-skid structures are integrally formed at the bottom of the heat-insulating bottom plate 12; rubber is used to achieve heat insulation to reduce the possibility of scalding users when the product is working.

[0048] Preferably, the heat conducting plate 14 is made of aluminum.

[0049] In this embodiment, it is beneficial to improve the thermal conductivity effect. The heating film 11 is attached to the side of the heat conducting plate 14 away from the heating surface, and the thermal conductivity efficiency is improved by surface-to-surface contact. The heating film 11 can be but is not limited to a nano-carbon electric heating film, a graphene heating film 11, a carbon fiber heating film 11 or a resistive heating film 11, etc.

[0050] Preferably, it also includes:

[0051] The Type-c female socket 15 is disposed on the hollow shell 1 and connected to the heating film 11 through a terminal wire.

[0052] In this embodiment, the heating film 11 can also be directly connected to an external power source through the Type-c socket 15.

[0053] Preferably, the power supply component 2 includes:

[0054] The bottom shell 25 is provided with a first chamber 251 and a second chamber 252 , and the battery 23 and the PCBA board 24 are both arranged on the first chamber 251 ;

[0055] An assembly slot 2521 is provided at the bottom side of the second chamber 252 and passes through the side of the bottom shell 25. The side of the hollow shell 1 can pass through the assembly slot 2521.

[0056] An upper cover 26, detachably disposed on the top of the bottom shell 25, capable of covering the first chamber 251 and the second chamber 252;

[0057] The locking structure acts on the hollow shell 1 and can fix the side of the hollow shell 1 in the second chamber 252 .

[0058] Preferably, the locking structure comprises:

[0059] A columnar rib 261 is provided at the bottom of the upper cover 26 and extends toward the bottom side close to the second chamber 252. A first threaded hole is opened along the axis. The top end of the first threaded hole passes through the upper cover 26 and the bottom end passes through the columnar rib 261.

[0060] A second threaded hole, corresponding to the columnar ribs 261 one by one, is opened on the bottom wall of the second chamber 252;

[0061] The screw can be threadably matched with the first threaded hole and the second threaded hole.

[0062] In this embodiment, during assembly, the screws are threadedly engaged with the first threaded hole and the second threaded hole from top to bottom, thereby realizing the disassembly and assembly of the hollow shell 1 and the power supply component 2; specifically, the heat conducting plate 14 and the heat insulating bottom plate 12 are respectively provided with through holes for the screws to pass through.

[0063] Preferably, it also includes:

[0064] The cover pad 27 corresponds to the first threaded hole one by one, is detachably fixed to the top of the first threaded hole, and is flush with the top surface of the upper cover 26 .

[0065] In summary, in this embodiment, the cover pad 27 is made of silicone and is used to cover the screws, which is beneficial to improving the added value of the product.

[0066] Preferably, a battery compartment and an assembly boss are provided in the first chamber 251 , a conductive sheet contacting and conducting with the battery 23 is provided in the battery compartment, the conductive sheet is connected to the PCBA board 24 , and the PCBA board 24 is provided on the assembly boss.

[0067] Preferably, it also includes:

[0068] The key switch 28 is disposed on the PCBA board 24 , and its pressing portion is exposed on the top surface of the upper cover 26 .

[0069] In this embodiment, the upper cover 26 is provided with a through hole for the key switch 28 to pass through. The key switch 28 includes a first mechanical key and a second mechanical key. The first mechanical key is used to control the start and stop of the heating film 11, and the second mechanical key is used to control the charging and stopping of the external electronic device.

[0070] The above disclosure is only a preferred embodiment of the present invention, which cannot be used to limit the scope of protection of the present invention. Therefore, equivalent changes made within the scope of the patent application of the present invention are still within the scope covered by the present invention.

Claims

1. A portable insulation board, characterized in that: include: A hollow shell, an inner cavity is provided with a heating film, and a top is provided with a heat-conducting surface, and the heating film can conduct heat to the heat-conducting surface; A power supply component is provided on the hollow housing, comprising a battery and a PCBA board, and the heating film is electrically connected to the battery through the PCBA board; An input interface, provided on the PCBA board, for charging the battery; The output interface is provided on the PCBA board and is used to charge external devices.

2. A portable insulation board according to claim 1, characterized in that: The hollow shell includes a connected insulation bottom plate and insulation edging, and a heat conducting plate. The insulation edging is fixed to the edge of the heat conducting plate by a pressing process. The heating film is attached to the inner end surface of the heat conducting plate, and the heat conducting surface is arranged on the outer end surface of the heat conducting plate.

3. A portable insulation board according to claim 2, characterized in that: The heat-insulating bottom plate and the heat-insulating edging are integrally formed by rubber injection molding.

4. A portable insulation board according to claim 2, characterized in that: The heat conducting plate is made of aluminum.

5. A portable insulation board according to claim 1, characterized in that: Also includes: The Type-c female socket is arranged on the hollow shell and connected to the heating film through a terminal wire.

6. A portable insulation board according to claim 1, characterized in that: The power supply component comprises: The bottom shell is provided with a first cavity and a second cavity, and the battery and the PCBA board are both arranged on the first cavity; An assembly slot is provided at the bottom side of the second chamber and passes through the side of the bottom shell, and the side of the hollow shell can pass through the assembly slot; An upper cover, detachably disposed on the top of the bottom shell and capable of covering the first chamber and the second chamber; The locking structure acts on the hollow shell and can fix the side of the hollow shell in the second chamber.

7. A portable insulation board according to claim 6, characterized in that: The locking structure comprises: A columnar rib is provided at the bottom of the upper cover, extending toward the bottom side close to the second chamber, and is provided with a first threaded hole along the axis, wherein the top end of the first threaded hole passes through the upper cover, and the bottom end of the first threaded hole passes through the columnar rib; A second threaded hole, corresponding one-to-one to the columnar ribs, is opened on the bottom wall of the second chamber; The screw can be threadably matched with the first threaded hole and the second threaded hole.

8. A portable insulation board according to claim 7, characterized in that: Also includes: The cover pad corresponds to the first threaded hole one by one, is detachably fixed to the top of the first threaded hole, and is flush with the top surface of the upper cover.

9. A portable insulation board according to claim 6, characterized in that: A battery compartment and an assembly boss are provided in the first cavity. A conductive sheet that is in contact and conductive with the battery is provided in the battery compartment. The conductive sheet is connected to the PCBA board. The PCBA board is provided on the assembly boss.

10. A portable insulation board according to claim 6, characterized in that: Also includes: The key switch is arranged on the PCBA board, and the pressing portion thereof is exposed on the top surface of the upper cover.

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