Power supply box seat and BMC power supply box

The power box holder, designed with BMC material and a limiting structure, solves the problems of deformation and burnout of the power box under high temperature environments, thereby improving the durability and safety of the power box.

CN223829573UActive Publication Date: 2026-01-23FOSHAN SHUNDE LICHANG HARDWARE ELECTRONIC COMPOSITE MATERIALS CO LTD
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Patent Information

Application Number
CN202423306922.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-01-23
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing power supply boxes are prone to deformation or burning in high-temperature environments, affecting product safety.

Method used

The power supply box base and cover are integrally molded from BMC material, and the design incorporates a limiting structure and stud fixation. Combined with the limiting mechanism, the circuit board and power supply device can be stably installed, enhancing high temperature resistance and structural stability.

Benefits of technology

It improves the durability and safety of the power supply box, ensures quick installation and compact layout of circuit boards and power devices, and enhances the overall structural rigidity and high-temperature resistance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a power supply box seat and a BMC power supply box, comprising a box seat main body integrally formed by BMC material, the inner side of the box seat main body is provided with an electric appliance cavity, the electric appliance cavity internally comprises a circuit board installation area and a power supply installation area which are adjacent to each other, and the circuit board installation area and the power supply installation area are mutually integrated. A limiting part used for limiting the position of a circuit board and a first stud used for being fixedly installed on the circuit board are arranged in the circuit board installation area, a plurality of second studs used for being fixedly installed on a power source device are arranged at the bottom of the power source installation area, and compared with a power source box made of common plastic materials, the power source box base has better strength and rigidity. Meanwhile, the box base has better high temperature resistance, durability and safety of products are improved, the internal layout is relatively reasonable, rapid installation of the circuit board and the power supply device can be achieved, the overall installation structure can be more compact, and the spatial position in the box base body can be well utilized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of BMC power box, specifically relates to a power box seat and BMC power box. BACKGROUND

[0002] The power supply device of the electric equipment such as air conditioner generally needs to set up the power box on its outside, and the power box can be equipped with the circuit board and control power supply, and the power supply device can generate high temperature in the working process, and the power box can be deformed or even burnt out during use, which is not conducive to improving the safety of product.

[0003] Therefore, further improvement is needed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a power box seat and BMC power box, which has good high-temperature resistance and improves the safety of product.

[0005] The utility model discloses a power box seat and BMC power box, which has good high-temperature resistance and improves the safety of product.

[0006] A power box seat, comprising a box seat body integrally formed by BMC material, an electric appliance cavity is formed on the inner side of the box seat body, the electric appliance cavity comprises a circuit board mounting area and a power supply mounting area arranged adjacent to each other, the circuit board mounting area and the power supply mounting area are integrated with each other, a limiting part for limiting the position of the circuit board and a first stud for mounting and fixing the circuit board are arranged in the circuit board mounting area, and a plurality of second studs for mounting and fixing the power supply device are arranged on the bottom of the power supply mounting area.

[0007] As a specific scheme, the limiting part comprises two limiting convex ribs arranged oppositely, and a space with a width corresponding to the width of the circuit board is formed between the two limiting convex ribs.

[0008] As a specific scheme, a supporting step is arranged at the bottom of the space between the two limiting convex ribs, and the height of the supporting step is equivalent to the height of the first stud.

[0009] As a specific scheme, the space between the first stud and the two limiting convex ribs is equivalent.

[0010] As a specific scheme, the side wall of the box seat body is respectively provided with a circuit board lead port and a power supply lead port corresponding to the positions of the circuit board mounting area and the power supply mounting area, and the circuit board lead port and the power supply lead port are arranged on the same side of the box seat body and adjacent to each other.

[0011] As a specific scheme, the height of the second stud is equivalent to the height of the first stud.

[0012] As a specific solution, the outer side of the box seat body is provided with a plurality of outer assembly ears for mounting connection with the electrical equipment, and the bottom of the box seat body is flat and flush with the bottom position of the outer assembly ear.

[0013] A BMC power box comprises a power box cover and the power box seat, the power box cover is integrally formed by BMC material, and the box seat body and the power box cover are fixedly installed through a limiting mechanism.

[0014] As a specific solution, the limiting mechanism comprises a limiting convex edge and a limiting concave step, the limiting convex edge is arranged at the bottom periphery of the power box cover, and the limiting concave step is arranged at the periphery position of the inner side of the opening of the box seat body, and the limiting convex edge and the limiting concave step are embeddedly matched.

[0015] As a specific solution, the limiting mechanism comprises upper and lower installation outer ears arranged on the power box cover and the box seat body respectively, and the upper and lower installation outer ears respectively extend outward along the horizontal direction and are fixedly installed through screw devices.

[0016] As a specific solution, the limiting mechanism further comprises upper and lower installation inner ears arranged on the power box cover and the box seat body respectively, the upper and lower installation inner ears are arranged on the other sides of the upper and lower installation outer ears respectively, the upper and lower installation inner ears are at least partially embedded into the inner sides of the power box cover and the box seat body along the horizontal direction, and the upper and lower installation inner ears are fixedly installed through screw devices.

[0017] The beneficial effects of the utility model are as follows:

[0018] Compared with the power box made of general plastic material, the power box seat has better strength and rigidity, better high-temperature resistance, improved durability and safety of the product, and relatively reasonable internal layout, so that the power box seat can realize fast installation of the circuit board and the power device, the overall installation structure can be more compact, and the space position in the box seat body can be better utilized. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure of the utility model embodiment is shown Figure 1 .

[0020] Figure 2 The structure of the utility model embodiment BMC power box is shown Figure 1 .

[0021] Figure 3 The structure of the utility model embodiment BMC power box is shown Figure 2 . DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings and embodiments.

[0023] Referring to Figures 1-3 The power box seat comprises a box body 1 integrally formed by BMC material, the inner side of the box body 1 is provided with an electrical cavity, the electrical cavity comprises a circuit board mounting area 11 and a power supply mounting area 12 arranged adjacent to each other, the circuit board mounting area 11 and the power supply mounting area 12 are formed in one body, the circuit board mounting area 11 is provided with a limiting portion for limiting the position of the circuit board and a first stud 111 for mounting and fixing the circuit board, the bottom of the power supply mounting area 12 is provided with a plurality of second studs 121 for mounting and fixing the power supply device, compared with the general power box made of plastic material, the power box seat has better strength and rigidity, and has better high temperature resistance, thereby improving the durability and safety of the product, meanwhile, the internal layout is relatively reasonable, the circuit board and the power supply device can be quickly mounted, the overall mounting structure can be more compact, and the space position in the box body 1 can be better utilized.

[0024] Further, the limiting portion comprises two limiting protrusions 112 arranged oppositely, the limiting protrusions 112 form a spacing corresponding to the width of the circuit board, the overall structure is simple, and the quick mounting and positioning of the circuit board can be realized.

[0025] Further, the space position between the limiting protrusions 112 is provided with a supporting step 113 at the bottom, the height of the supporting step 113 is equivalent to the height of the first stud 111, and the flatness of the mounting structure of the circuit board is improved.

[0026] Further, the spacing between the first stud 111 and the two limiting protrusions 112 is equivalent, so that the overall stress of the circuit board and the first stud 111 after mounting and connecting is more uniform.

[0027] Further, the side wall of the box body 1 is respectively provided with a corresponding circuit board lead port 13 and a power supply lead port 14 at positions corresponding to the circuit board mounting area 11 and the power supply mounting area 12, the circuit board lead port 13 and the power supply lead port 14 are arranged on the same side of the box body 1 and adjacent to each other, which facilitates the external line to access the box body 1.

[0028] Further, the height of the second stud 121 is equivalent to that of the first stud 111, thereby improving the flatness of the mounting structure between the circuit board and the power supply device.

[0029] Further, the outer side of the box body 1 is provided with a plurality of external assembly ears 15 for mounting and connecting with the electrical equipment, the bottom of the box body 1 is flat and flush with the bottom position of the external assembly ear 15, thereby facilitating the mounting and fixing of the box body 1 and the external electrical equipment.

[0030] This utility model also discloses a BMC power box, including a power box cover 2 and the aforementioned power box base. The power box cover 2 is integrally formed from BMC material. The main body 1 of the base and the power box cover 2 are installed and fixed by a limiting mechanism. Compared with power boxes made of ordinary plastic materials, the power box cover 2 has better strength and rigidity, as well as better high temperature resistance, thereby improving the durability and safety of the product.

[0031] Furthermore, the limiting mechanism includes a limiting protrusion 21 and a limiting concave step 16. The limiting protrusion 21 is disposed around the bottom of the power box cover 2, and the limiting concave step 16 is disposed around the inner side of the opening of the box body 1. The limiting protrusion 21 and the limiting concave step 16 are engaged to improve the stability and connection accuracy of the connection structure between the power box cover 2 and the box body 1.

[0032] Furthermore, the limiting mechanism includes an upper mounting ear 22 and a lower mounting ear 17 respectively disposed on the power box cover 2 and the box base body 1. The upper mounting ear 22 and the lower mounting ear 17 extend outward in the horizontal direction and are fixed by a screw device, which can further improve the stability of the connection structure between the power box cover 2 and the box base body 1.

[0033] Furthermore, the limiting mechanism also includes an upper mounting inner ear 23 and a lower mounting inner ear 18 respectively disposed on the power box cover 2 and the box base body 1. The upper mounting inner ear 23 and the lower mounting inner ear 18 are respectively disposed on the opposite side of the upper mounting outer ear 22 and the lower mounting outer ear 17. The upper mounting inner ear 23 and the lower mounting inner ear 18 are at least partially embedded in the inner side of the power box cover 2 and the box base body 1 in the horizontal direction. The upper mounting inner ear 23 and the lower mounting inner ear 18 are fixed by a screw device, which can further improve the stability of the connection structure between the power box cover 2 and the box base body 1, while relatively reducing the overall volume of the BMC power box.

[0034] The above embodiments are merely preferred embodiments of this utility model, and other implementations are also possible. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model, and all such equivalent modifications or substitutions are included within the scope set forth in the claims of this application.

Claims

1. A power supply box holder, characterized in that, The device includes a housing body (1) integrally formed from BMC material. The housing body (1) has an electrical cavity on its inner side. The electrical cavity includes a circuit board mounting area (11) and a power supply mounting area (12) arranged adjacent to each other. The circuit board mounting area (11) and the power supply mounting area (12) are integrally formed. The circuit board mounting area (11) is provided with a limiting part for limiting the position of the circuit board and a first stud (111) for fixing the circuit board. The bottom of the power supply mounting area (12) is provided with a plurality of second studs (121) for fixing the power supply device.

2. The power supply box holder according to claim 1, characterized in that: The limiting part includes two limiting ribs (112) arranged opposite to each other, and the limiting ribs (112) form a spacing equivalent to the width of the circuit board.

3. The power supply box holder according to claim 2, characterized in that: The space between the limiting ribs (112) is provided with a supporting step (113) at the bottom, and the height of the supporting step (113) is equivalent to the height of the first stud (111).

4. The power supply box holder according to claim 2, characterized in that: The distance between the first stud (111) and the two limiting ribs (112) is equal.

5. The power supply box holder according to claim 1, characterized in that: The side wall of the main body (1) is provided with corresponding circuit board lead ports (13) and power supply lead ports (14) at the positions corresponding to the circuit board mounting area (11) and the power supply mounting area (12), respectively. The circuit board lead ports (13) and power supply lead ports (14) are located on the same side of the main body (1) and are arranged adjacent to each other.

6. The power supply box holder according to claim 1, characterized in that: The second stud (121) is at the same height as the first stud (111).

7. The power supply box holder according to claim 1, characterized in that: The outer side of the box body (1) is provided with a number of external mounting ears (15) for installation and connection with electrical equipment. The bottom of the box body (1) is flat and the bottom of the external mounting ears (15) is flush with it.

8. A BMC power supply box, characterized in that, The power box includes a power box cover (2) and a power box base as described in any one of claims 1-7. The power box cover (2) is integrally formed from BMC material, and the main body (1) of the base and the power box cover (2) are installed and fixed by a limiting mechanism.

9. The BMC power supply box according to claim 8, characterized in that: The limiting mechanism includes a limiting protrusion (21) and a limiting concave step (16). The limiting protrusion (21) is located at the bottom periphery of the power box cover (2), and the limiting concave step (16) is located at the periphery of the opening of the box body (1). The limiting protrusion (21) and the limiting concave step (16) are engaged and cooperated.

10. The BMC power supply box according to claim 8, characterized in that: The limiting mechanism includes an upper mounting ear (22) and a lower mounting ear (17) respectively disposed on the power box cover (2) and the box body (1). The upper mounting ear (22) and the lower mounting ear (17) extend outward in the horizontal direction and are fixed by screws. The limiting mechanism also includes an upper mounting inner ear (23) and a lower mounting inner ear (18) respectively disposed on the power box cover (2) and the box body (1). The upper mounting inner ear (23) and the lower mounting inner ear (18) are respectively disposed on the other side opposite to the upper mounting outer ear (22) and the lower mounting outer ear (17). The upper mounting inner ear (23) and the lower mounting inner ear (18) are at least partially embedded in the inner side of the power box cover (2) and the box body (1) in the horizontal direction. The upper mounting inner ear (23) and the lower mounting inner ear (18) are fixed by screws.