Intelligent household electrical appliance circuit board with high protection performance

By designing protective covers and limiting structures on the circuit boards of household appliances, the problems of poor circuit board protection and inconvenient disassembly and assembly are solved, achieving high protection performance and quick disassembly and assembly, which facilitates maintenance.

CN223567919UActive Publication Date: 2025-11-18MEIZHOU LIYUDA PCB CO LTD
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Patent Information

Application Number
CN202423065405.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-18
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Traditional household appliances have poor circuit board protection, making them easy to damage and inconvenient to disassemble and reassemble, which affects safety and maintenance efficiency.

Method used

A circuit board comprising a protective cover, a cooling fan, positioning posts, and a limiting structure was designed. The protective cover shields the circuit board, the cooling fan accelerates heat dissipation, and the limiting structure enables quick assembly and disassembly, simplifying the maintenance process.

Benefits of technology

It improves the protection performance of the circuit board, reduces the probability of damage, enhances safety, and enables quick assembly and disassembly of the circuit board, facilitating inspection and maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of circuit boards, in particular to an intelligent household electrical appliance circuit board with high protection performance, which comprises a bottom board, four positioning columns are fixedly connected onto the bottom board and penetrate through the same circuit board body, a protection structure is arranged on the circuit board body, and the protection structure is arranged on the bottom board. The protective structure comprises a protective cover and a cooling fan, one side of the circuit board body is provided with the protective cover, the protective cover is fixedly connected with four positioning sleeves, the positioning sleeves are clamped with the adjacent positioning columns, the protective cover is provided with an opening, the protective cover is provided with the cooling fan, and the cooling fan is arranged on the protective cover. The interior of the protective cover is fixedly connected with two pressing strips, the pressing strips abut against the circuit board body, and the protective cover is provided with a limiting structure; the protection performance of the circuit board is effectively improved, so that the use safety of the circuit board is improved, the circuit board can be quickly disassembled and assembled, and the circuit board is convenient to overhaul and maintain.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of circuit boards, specifically a kind of intelligent household appliance circuit board with high protection performance belongs to circuit board technical field. BACKGROUND

[0002] Circuit board, also known as printed circuit board (PCB), is the carrier of electrical connection of electronic components, with the characteristics of high density and high reliability, it is an important component in electronic industry, and is applied in almost all electronic devices, from small electronic watch, calculator to large computer, communication equipment and military weapon system, the main function of circuit board is to provide support for electronic components and realize electrical connection between them, circuit board is installed inside household appliance.

[0003] However, the circuit board inside the traditional household appliance is mostly directly exposed to the external environment, and the protection effect is poor, so the probability of damage is large, thereby the safety of use is poor, and the circuit board is mostly installed and fixed by multiple bolts, so when it needs to be disassembled and repaired due to damage, a lot of time is also needed to repeatedly twist the bolts, thereby the quick disassembly and assembly of the circuit board after installation is not convenient, and the repair and maintenance of the circuit board is not convenient. SUMMARY

[0004] The utility model aims at solving the above-mentioned problem and provides a kind of intelligent household appliance circuit board with high protection performance, effectively improve the protection performance of circuit board, thereby improve the safety of use of circuit board, and the quick disassembly and assembly of circuit board can be realized, thereby the repair and maintenance of circuit board is convenient.

[0005] The utility model realizes the above-mentioned purpose by the following technical scheme, a kind of intelligent household appliance circuit board with high protection performance, including bottom plate, four positioning columns are fixedly connected on the bottom plate, four The positioning column penetrates the same circuit board body, the circuit board body is equipped with protection structure, the protection structure includes protective cover and cooling fan, one side of the circuit board body is equipped with protective cover, four positioning sleeves are fixedly connected on the protective cover, the positioning sleeve is clamped between adjacent positioning column, the protective cover is equipped with opening, the protective cover is installed with cooling fan, the inside of protective cover is fixedly connected with two pressing strips, the pressing strip is abutted between the circuit board body, the protective cover is equipped with limiting structure.

[0006] Preferably, the cross section of the top end of the positioning column is trapezoidal structure, and the cross section of the end of the bottom plate is L-shaped structure.

[0007] Preferably, the limiting structure comprises clamping plates and abutting plates, two clamping plates are slidably connected to the protective cover, one end of one of the clamping plates is clamped between two of the positioning columns, and one end of the other clamping plate is clamped between the other two positioning columns.

[0008] Preferably, two reset springs are fixedly connected to the clamping plate, the reset springs are fixedly connected to the protective cover, and the two reset springs are symmetrically distributed about the middle part of the clamping plate.

[0009] Preferably, the clamping plate is rotatably connected with an abutting plate, and the abutting plate has a rectangular structure in cross section.

[0010] Preferably, the positioning column is provided with a clamping groove, and the clamping groove is clamped between adjacent clamping plates.

[0011] Preferably, one end of the clamping plate has a trapezoidal structure in cross section, and the two clamping plates are symmetrically distributed about the middle part of the protective cover.

[0012] Preferably, the bottom plate is provided with four mounting holes, and the mounting holes have a circular structure in cross section.

[0013] The utility model discloses a protective cover for circuit board body has the advantages that in the process of using, the circuit board body can be shielded and protected through the protective cover, so that the circuit board body can be prevented from being directly exposed to the external environment, the probability that the circuit board body is damaged is effectively reduced, and the safety of the circuit board body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the connecting structure schematic diagram of the bottom plate and mounting hole of the utility model;

[0016] Figure 3 It is Figure 2 It is the enlarged schematic diagram of A part shown in the figure;

[0017] Figure 4The utility model discloses a protective cover and the connecting structure schematic drawing of batten.

[0018] Figure 5 For Figure 4 The B part enlarged schematic view shown in the figure.

[0019] Figure 6 The utility model discloses a positioning column and the connecting structure schematic drawing of card slot.

[0020] In the drawing: 1, bottom plate, 2, positioning column, 3, circuit board body, 4, protective structure, 401, protective cover, 402, opening, 403, batten, 404, positioning sleeve, 405, cooling fan, 5, limiting structure, 501, clamping plate, 502, abutment plate, 503, reset spring, 504, card slot, 6, mounting hole. Specific embodiments

[0021] The technical scheme in the embodiments of the utility model will be apparently and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the range of protection of the utility model.

[0022] Please refer to Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 And Figure 6 As shown in a kind of intelligent household appliance circuit board with high protection performance, including bottom plate 1, the bottom plate 1 is fixedly connected with four positioning columns 2, four The positioning column 2 is penetrated in same circuit board body 3, the circuit board body 3 is equipped with protective structure 4, the protective structure 4 includes protective cover 401 and cooling fan 405, one side of the circuit board body 3 is equipped with protective cover 401, the protective cover 401 is fixedly connected with four positioning sleeves 404, the positioning sleeve 404 is clamped between adjacent positioning column 2, the protective cover 401 is equipped with opening 402, the protective cover 401 is installed with cooling fan 405, the inside of protective cover 401 is fixedly connected with two battens 403, the batten 403 is abutted between the circuit board body 3, the protective cover 401 is equipped with limiting structure 5.

[0023] As a kind of technical optimization scheme of the utility model, as shown in Figure 2 And Figure 6 The cross section of the top of the positioning column 2 is trapezoidal structure, the cross section of the end of the bottom plate 1 is L-shaped structure, so it can play the role of guiding in the process that positioning column 2 and positioning sleeve 404 are clamped.

[0024] As a technical optimization scheme of the utility model, as shown in Figure 1 、 Figure 3 、 Figure 4 And Figure 6 The limiting structure 5 includes the clamping plate 501 and the abutment plate 502, the protective cover 401 is slidably connected with two clamping plates 501, one end of one of the clamping plates 501 is clamped between two positioning columns 2, and one end of the other clamping plate 501 is clamped between the other two positioning columns 2, so that the protective cover 401 can be quickly installed and disassembled, thereby facilitating the quick installation and disassembly of the circuit board body 3.

[0025] As a technical optimization scheme of the utility model, as shown in Figure 3 The clamping plate 501 is fixedly connected with two return springs 503, the return springs 503 are fixedly connected to the protective cover 401, and the two return springs 503 are symmetrically distributed about the middle part of the clamping plate 501, so that the clamping plate 501 can be clamped between the positioning columns 2 at all times.

[0026] As a technical optimization scheme of the utility model, as shown in Figure 5 The clamping plate 501 is rotatably connected with the abutment plate 502, and the abutment plate 502 has a rectangular cross section, so that the clamping plate 501 does not need to be pulled by hand at all times, thereby improving the convenience of operation.

[0027] As a technical optimization scheme of the utility model, as shown in Figure 6 The positioning column 2 is provided with a clamping groove 504, the clamping groove 504 is clamped between the adjacent clamping plate 501, one end of the clamping plate 501 has a trapezoidal cross section, and the two clamping plates 501 are symmetrically distributed about the middle part of the protective cover 401, so that the clamping plate 501 can be clamped between the positioning columns 2 and play a guiding role.

[0028] As a technical optimization scheme of the utility model, as shown in Figure 2 The bottom plate 1 is provided with four mounting holes 6, and the mounting holes 6 have a circular cross section, so that the bottom plate 1 can be installed and fixed through the mounting holes 6 and cooperating bolts.

[0029] The utility model discloses a line board body 3 is prevented from being exposed to the outside environment directly, effectively reduces the probability of line board body 3 damage, improves the security of line board body 3 use, can pass through starting the cooling fan 405 in the process of using, under the effect of cooling fan 405 can accelerate the speed of air circulation around line board body 3, thereby the heat dissipation of line board body 3, through the opening 402 can make data line and electric wire pass through the protective cover 401 and connect between line board body 3, through the clamping between positioning sleeve 404 and positioning column 2 can play the positioning effect of protective cover 401, through two pressure strips 403 can play the effect of line board body 3 resistance fixed, when line board body 3 needs to be disassembled and overhauled when damage can pull clamping plate 501, two reset springs 503 elongate simultaneously, when clamping plate 501 is pulled to certain position can rotate ninety degrees to resistance plate 502, then loosen clamping plate 501, at this time resistance plate 502 will support clamping plate 501, therefore can avoid two reset springs 503 shrink drive clamping plate 501 and clamping between positioning column 2 again after loosening clamping plate 501, thereby avoid the process of disassembly always holding clamping plate 501 with hand, effectively improve the convenience of operation, when two clamping plate 501 do not clamping between positioning column 2 can the protective cover 401 is disassembled, after protective cover 401 is taken off, line board body 3 is taken out directly, thereby realize the quick disassembly of line board body 3, the maintenance of line board body 3 is convenient.

[0030] It will be apparent to those skilled in the art that the present application is not limited to the details of the above-exemplified embodiments but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and it is intended to be encompassed within the present application all changes which come within the meaning and range of equivalency of the claims. Any reference signs in the claims should not be construed as limiting the scope of the claims to the identity of the references.

[0031] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A circuit board for intelligent home appliances with high protection performance, comprising a base plate (1), characterized in that: The bottom plate (1) is fixedly connected with four positioning columns (2), four positioning columns (2) penetrate the same circuit board body (3), the circuit board body (3) is provided with a protection structure (4), the protection structure (4) includes a protective cover (401) and a cooling fan (405), one side of the circuit board body (3) is provided with a protective cover (401), the protective cover (401) is fixedly connected with four positioning sleeves (404), the positioning sleeve (404) is clamped between the adjacent positioning column (2), the protective cover (401) is provided with an opening (402), the protective cover (401) is provided with a cooling fan (405), the protective cover (401) is fixedly connected with two pressing strips (403), the pressing strip (403) is in contact with the circuit board body (3), the protective cover (401) is provided with a limiting structure (5).

2. The line board for the intelligent household appliance with high protection performance according to claim 1, characterized in that: The cross section of the top end of the positioning column (2) is trapezoidal structure, the cross section of the end of the bottom plate (1) is L-shaped structure.

3. The line board for the intelligent household appliance with high protection performance according to claim 1, characterized in that: The limiting structure (5) includes a clamping plate (501) and a resisting plate (502), the protective cover (401) is slidably connected with two clamping plates (501), one end of one clamping plate (501) is clamped between two positioning columns (2), and one end of the other clamping plate (501) is clamped between the other two positioning columns (2).

4. The line board for the intelligent household appliance with high protection performance according to claim 3, characterized in that: The clamping plate (501) is fixedly connected with two reset springs (503), the reset spring (503) is fixedly connected to the protective cover (401), and the two reset springs (503) are symmetrically distributed about the middle part of the clamping plate (501).

5. The line board for the intelligent household appliance with high protection performance according to claim 3, characterized in that: The clamping plate (501) is rotatably connected with a resisting plate (502), and the cross section of the resisting plate (502) is rectangular structure.

6. The line board for the intelligent household appliance with high protection performance according to claim 3, characterized in that: The positioning column (2) is provided with a clamping groove (504), and the clamping groove (504) is clamped between the adjacent clamping plate (501).

7. The line board for the intelligent household appliance with high protection performance according to claim 3, characterized in that: The cross section of one end of the clamping plate (501) is trapezoidal structure, and the two clamping plates (501) are symmetrically distributed about the middle part of the protective cover (401).

8. The line board for a smart home appliance with high protection performance according to claim 7, wherein: The bottom plate (1) is provided with four mounting holes (6), and the mounting hole (6) is circular structure.