Circuit board protection structure and power supply equipment
By designing a circuit board protection structure and using a detachable connection between the ring and the cover, along with potting compound for fixation, the problem of difficult circuit board maintenance after potting was solved. This enabled detachable protection and reuse of high-value components, reducing replacement costs.
Patent Information
- Application Number
- CN202423311200.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In the existing technology, the maintenance performance of the potted circuit board is poor, resulting in a long lifespan and the need to discard it after the high-value components are replaced, which increases costs and makes it difficult to reuse.
A circuit board protection structure is designed, including a first board, a ring, a second board, and a cover. The ring is fixed by potting compound, and the ring is sealed to the first board. The cover is detachably connected to the ring. Clips and fasteners enable detachable electrical connection and sealing, preventing potting compound from entering and facilitating the disassembly and reuse of high-value components.
It enables detachable protection for high-value components, prevents potting compound from entering, improves shock resistance and sealing performance, facilitates component disassembly and reuse, and reduces replacement costs.
Smart Images
Figure CN223912681U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electronic component protection field, concretely relates to a circuit board protection structure and power supply equipment. BACKGROUND
[0002] Military product requires high anti-seismic performance, and the circuit board needs to be filled usually to guarantee the stability of electronic device and prevent sand and dust and the like pollution. But the maintenance performance after filling is poor, and if the circuit board has a fault, it is generally replaced directly. But for long-life and high-value devices such as DSP, if the circuit board is replaced and then discarded, the cost will be increased, but the filled DSP is not easy to take out from the circuit board for reuse. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at overcoming the above-mentioned defects or problems existing in the background art, and provides a circuit board protection structure and power supply equipment.
[0004] To achieve the above-mentioned purpose, the utility model and its preferred embodiments adopt the following technical scheme, but the embodiments are not limited to the following scheme:
[0005] Scheme one, a circuit board protection structure, comprising
[0006] The first board is provided with a protection area, and one end of the protection area is provided with a connecting terminal;
[0007] The ring body is surrounded outside the protection area, and is sealingly and fixedly connected with one side of the first board having the connecting terminal, and the outer side of the ring body is also adapted to be fixed with the first board through filling glue;
[0008] The second board is detachably inserted with the connecting terminal to be electrically connected with the first board;
[0009] The cover body is detachably connected with the ring body, and is adapted to be covered on the second board.
[0010] Scheme two, based on scheme one, the cover body is provided with a buckle, and the buckle is adapted to be clamped with the second board.
[0011] Scheme three, based on scheme two, the buckle has elasticity and has a lead-in inclined surface.
[0012] Scheme four, based on scheme one, the cover body and the ring body are detachably sealingly connected.
[0013] Scheme five, based on scheme four, further comprising a first fastener and a first sealing ring, at least one of the cover body and the ring body is provided with a first sealing groove, the first sealing ring is arranged in the first sealing groove, and the two ends in the first direction are adapted to abut against the cover body and the ring body respectively, and the first fastener is adapted to be screwed with the ring body after penetrating through the cover body in the first direction.
[0014] Scheme six, based on scheme four, further comprises a second fastener and a second sealing ring, the second fastener is adapted to penetrate through the first plate along the first direction and threadedly engage with the ring body, the ring body is provided with a second sealing groove, the second sealing ring is placed in the second sealing groove, and two ends along the first direction are adapted to abut against the first plate and the ring body respectively.
[0015] Scheme seven, based on scheme six, the ring body is provided with a threaded hole penetrating through the ring body along the first direction, and the first fastener and the second fastener are both adapted to threadedly engage with the threaded hole.
[0016] Scheme eight, based on schemes one to seven, further comprises a shielding piece, on a side of the first plate away from the connecting terminal, the shielding piece is adapted to shield the protection area and is sealingly and fixedly connected with the first plate, and an outer side of the shielding piece is further adapted to be fixed with the first plate by potting glue.
[0017] Scheme nine, based on scheme eight, further comprises a second fastener and a third sealing ring, the second fastener is adapted to penetrate through the shielding piece, the first plate and then threadedly engage with the ring body along the first direction, the shielding piece is provided with a third sealing groove, the third sealing ring is placed in the third sealing groove, and two ends along the first direction are adapted to abut against the shielding piece and the first plate respectively.
[0018] Scheme ten, a power supply device comprising a power converter and a circuit board protection structure as claimed in any one of schemes one to nine.
[0019] From the above description of the utility model and its preferred embodiments, relative to the prior art, the technical scheme of the utility model and its preferred embodiments have the following beneficial effects due to the following technical means:
[0020] 1. In scheme one and its preferred embodiments, a circuit board protection structure comprises a first plate, a ring body, a second plate and a cover.
[0021] The first plate is provided with a protection area, one end of the protection area is provided with a connecting terminal; the second plate is detachably inserted with the connecting terminal to be electrically connected with the first plate, the second plate is usually a long-life high-value device, and the detachable connection between the second plate and the first plate facilitates the disassembly of the second plate.
[0022] The outer side of the ring body is further adapted to be fixed with the first plate by potting glue, so that the area of the first plate covered by the potting glue is stable in use and can prevent pollution such as sand and dust.
[0023] The ring body is arranged outside the protection area and is sealingly connected with one side of the first plate having the connection terminal, so as to protect the protection area inside the ring body, thereby preventing the pouring glue from entering the gap between the ring body and the first plate during pouring, and causing the pouring glue to flow into the protection area, so that the second plate and the first plate are fixed by the pouring glue and cannot be disassembled.
[0024] The cover body and the ring body are detachably connected and are adapted to be arranged on the second plate, so as to protect the second plate by the cover body and the ring body, and the cover body and the ring body are detachable, so that the cover body can be removed and the second plate can be taken out.
[0025] 2. In the second scheme and the preferred embodiments thereof, the cover body is provided with a buckle, and the buckle is adapted to be connected with the second plate to limit the movement of the second plate, thereby improving the shockproof function of the second plate.
[0026] 3. In the third scheme and the preferred embodiments thereof, the buckle is elastic and has a guide slope, thereby improving the adaptation to the second plate of different thicknesses, and the buckle has better elasticity to better fit the second plate, increase the clamping and buffering performance, and improve the shock resistance of the second plate.
[0027] 4. In the fourth scheme and the preferred embodiments thereof, the cover body and the ring body are sealingly and detachably connected, so that the internal area enclosed by the ring body and the cover body cannot enter dust and water vapor, thereby improving the protection of the second plate and the protection area.
[0028] 5. In the fifth scheme and the preferred embodiments thereof, at least one of the cover body and the ring body is provided with a first sealing groove, a first sealing ring is arranged in the first sealing groove, and the two ends of the first sealing groove along the first direction are adapted to abut against the cover body and the ring body, respectively. A first fastener is adapted to penetrate the cover body along the first direction and is threadedly connected with the ring body, thereby realizing the connection of the cover body and the ring body. As the connection of the first fastener and the ring body is performed, the first sealing ring is gradually compressed, so that the sealing property is improved.
[0029] 6. In the sixth scheme and the preferred embodiments thereof, a second fastener is adapted to penetrate the first plate along the first direction and is threadedly connected with the ring body, thereby realizing the connection of the first plate and the ring body. The ring body is provided with a second sealing groove, a second sealing ring is arranged in the second sealing groove, and the two ends of the second sealing groove along the first direction are adapted to abut against the first plate and the ring body, respectively. As the connection of the second fastener and the ring body is performed, the second sealing ring is gradually compressed, so that the sealing property is improved. The corresponding sealing groove is not arranged on the first plate, and the first plate does not need to be processed, so that the protection structure is more universal and can be adapted to various types of first plates.
[0030] 7. In the seventh scheme and the preferred embodiments thereof, the ring body is provided with a threaded hole penetrating the ring body along the first direction, and the first fastener and the second fastener are adapted to be threadedly connected with the threaded hole, thereby realizing the connection of the first fastener and the second fastener through the same threaded hole, so that the structure of the ring body is simpler.
[0031] 8. In Scheme 8 and its preferred embodiments, the side of the first plate facing away from the connecting terminal typically also requires potting. When the protective area has a through hole extending along the first direction, the potting compound on the back side will flow from the back of the first plate to the inner side of the ring, causing the second plate to be fixed to the first plate due to the influence of the potting compound. A shielding member is adapted to shield the protective area to protect it. The shielding member is sealed and fixed to the first plate, thereby preventing the potting compound from entering the protective area when the outer side of the shielding member is also adapted to be fixed to the first plate by the potting compound.
[0032] 9. In Scheme Nine and its preferred embodiments, the second fastener is adapted to penetrate the shield and the first plate along the first direction and then engage with the ring body via a thread to achieve the connection of the three components, making the operation simpler. The shield is provided with a third sealing groove, and a third sealing ring is placed in the third sealing groove, with its two ends along the first direction respectively adapted to abut against the shield and the first plate. As the second fastener and the ring body engage, the third sealing ring is gradually compressed, increasing the sealing performance. Furthermore, based on Scheme Six, a seal between the ring body and the first plate can also be achieved. The corresponding sealing groove is not provided on the first plate, eliminating the need for machining the first plate, making the protective structure more adaptable to various types of first plates and more versatile.
[0033] 10. In Scheme 10 and its preferred embodiments, a power supply device includes a power converter and the aforementioned circuit board protection structure, which has the beneficial effects brought about by the aforementioned circuit board protection structure. Attached Figure Description
[0034] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0035] Figure 1 This is a perspective view of the circuit board protection structure in Example 1;
[0036] Figure 2 This is a top view of the circuit board protection structure in Embodiment 1;
[0037] Figure 3 for Figure 1 Cross-sectional view of the AA section line;
[0038] Figure 4 This is a three-dimensional view of the ring in Example 1;
[0039] Figure 5 This is a perspective view of the cover in Example 1;
[0040] Explanation of key figure labels:
[0041] First plate 1; Guard area 11; Connection terminal 111; First through hole 12; Ring body 2; Threaded hole 21; Second sealing groove 22; Second plate 3; Pin 31; Shield 4; Third through hole 41; Third sealing groove 42; Cover body 5; Buckle 51; Lead-in slope 52; First sealing groove 53; Second through hole 54; First sealing ring 6; Second sealing ring 7; Third sealing ring 8; First direction 9; DETAILED DESCRIPTION
[0042] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are preferred embodiments of the utility model, and should not be regarded as excluding other embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0043] In the claims, description and drawings of the utility model, unless otherwise explicitly limited, the terms such as 'first','second' or 'third' are used only to distinguish different objects, and are not used to describe a specific order.
[0044] In the claims, description and drawings of the utility model, unless otherwise explicitly limited, for the orientation words, such as the terms 'center', 'transverse','vertical', 'horizontal','vertical', 'top', 'bottom', 'inner', 'outer', 'upper', 'lower', 'front', 'back', 'left', 'right', 'clockwise', 'counterclockwise' indicate the orientation or position relationship based on the orientation and position relationship shown in the drawings, and are only for the convenience of describing the invention and simplifying the description, and are not intended to indicate or imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be understood as limiting the specific protection scope of the invention.
[0045] In the claims, description and drawings of the utility model, unless otherwise explicitly limited, such as the terms 'fixedly connected' or 'fixedly connected', should be broadly understood, that is, any connection mode without displacement relationship and relative rotation relationship between the two, that is, it includes non-detachable fixed connection, detachable fixed connection, integration and fixed connection through other devices or elements.
[0046] In the claims, description and drawings of the utility model, the terms 'include', 'have' and their variants are intended to mean 'include but are not limited to'.
[0047] A power supply device includes a power converter, and a circuit board protection structure.
[0048] ReferenceFigures 1-5 A circuit board protection structure, comprising a first board 1, a ring body 2, a second board 3, a cover body 5, a first fastener, a first sealing ring 6, a second fastener, a second sealing ring 7, and a third sealing ring 8.
[0049] Reference Figure 3 The first board 1 is provided with a protection area 11, and one end of the protection area 11 is provided with a connecting terminal 111. In this embodiment, the connecting terminal 111 has a slot with a notch facing upward. The first board 1 is also provided with a first through hole 12 extending in a first direction 9.
[0050] Reference Figure 3 、 Figure 4 The ring body 2 is centrally penetrated, and the shape of the ring body 2 can be circular, square, or other shapes. The outer side of the ring body 2 is suitable for being fixed with the first board 1 by potting glue, so that the area of the first board 1 covered by the potting glue is stable in use and can prevent pollution such as sand and dust. The ring body 2 surrounds the outside of the protection area 11, and the ring body 2 is sealingly and fixedly connected with the side of the first board 1 having the connecting terminal 111, so as to well protect the protection area 11 inside the ring body 2, thereby preventing the potting glue from entering from the gap between the ring body 2 and the first board 1 during potting, and causing the potting glue to flow into the protection area 11. The ring body 2 is provided with a threaded hole 21 penetrating the ring body 2 in the first direction 9, and the threaded hole 21 is suitable for corresponding to the first through hole 12.
[0051] Reference Figure 3 The second board 3 is detachably inserted with the connecting terminal 111 to be electrically connected with the first board 1. In this embodiment, the second board 3 has a plug pin 31 corresponding to the above-mentioned slot, and the plug pin 31 is conductive to realize the detachable insertion and electrical connection of the two. Of course, in other embodiments, the second board 3 can have a slot, and the first board 1 can have a plug pin 31 to realize the detachable insertion of the two. The second board 3 can be a long-life and / or high-value device such as a DSP chip.
[0052] Reference Figure 3 、 Figure 4 The shielding member 4 and the ring body 2 are respectively located on both sides of the first board 1 in the first direction 9. In this embodiment, the first direction 9 is the direction of the length of the first board 1. Figure 3The vertical direction is the direction along the first direction 9, and the cover 5, the ring 2, the first plate 1 and the shielding piece 4 are arranged along the first direction 9. The outer side of the shielding piece 4 is adapted to be fixed with the first plate 1 by the potting glue, so that the use of the area of the first plate 1 covered by the potting glue is stable, and dust and other pollution can be prevented. On the side of the first plate 1 away from the connecting terminal 111, the shielding piece 4 is adapted to shield the protection area 11 and is sealingly connected with the first plate 1, so as to prevent the potting glue from entering from the gap between the shielding piece 4 and the first plate 1 during potting, and when the protection area 11 has a through hole along the first direction 9, the potting glue flows from the back of the first plate 1 to the inside of the ring 2, which causes the second plate 3 to be affected by the potting glue. The shielding piece 4 is provided with a third through hole 41 penetrating along the first direction 9, and the third through hole 41 is adapted to correspond to the threaded hole 21.
[0053] It should be understood that the shielding piece 4 is an optional part, and when the protection area 11 does not have a through hole along the first direction 9, the corresponding shielding piece 4 can be omitted.
[0054] Reference Figure 3 , Figure 5 The end of the cover 5 away from the first plate 1 is detachably sealingly connected with the ring 2 and is adapted to cover the second plate 3. The cover 5 is provided with a plurality of buckles 51 adapted to be connected with the second plate 3. Preferably, the buckle 51 is elastic and has a guide inclined surface 52 for the second plate 3 to be buckled. The cover 5 is also provided with a second through hole 54 extending along the first direction 9, and the second through hole 54 is adapted to correspond to the threaded hole 21.
[0055] The sealing between each part is introduced as follows:
[0056] At least one of the cover 5 and the ring 2 is provided with a first sealing groove 53, and in this embodiment, the cover 5 is provided with a first sealing groove 53. The first sealing ring 6 is elastic, and the first sealing ring 6 is arranged in the first sealing groove 53 and adapted to abut against the cover 5 and the ring 2 at both ends along the first direction 9. The first fastener is adapted to pass through the second through hole 54 of the cover 5 along the first direction 9 and threadedly cooperate with the threaded hole 21 of the ring 2. With the cooperation, the first sealing ring 6 is gradually compressed, so that the sealing property is increased. The number of the first fastener and the threaded hole 21 can be multiple. The first fastener and the second fastener are screws.
[0057] The ring body 2 is provided with a second sealing groove 22, and the second sealing ring 7 is elastic and annular, is arranged in the second sealing groove 22, and is adapted to abut against the first plate 1 and the ring body 2 at two ends along the first direction 9. The shielding piece 4 is provided with a third sealing groove 42, and the third sealing ring 8 is elastic and annular, is arranged in the third sealing groove 42, and is adapted to abut against the shielding piece 4 and the first plate 1 at two ends along the first direction 9. The second fastener is adapted to pass through the third through hole 41 of the shielding piece 4, the first through hole 12 of the first plate 1, and then be screwed into the threaded hole 21 of the ring body 2 along the first direction 9, and the second sealing ring 7 and the third sealing ring 8 are gradually compressed as the screwing is performed, so that the sealing property is increased. The number of the second fastener can be set to be multiple.
[0058] It should be understood that in the above, the components are fixed by the fastener, and in other embodiments, the components can also be fixed by other manners, for example, the connection between the ring body 2 and the first plate 1 and the connection between the shielding piece 4 and the first plate 1 can be achieved by bonding, clamping and the like. The detachable connection between the cover body 5 and the ring body 2 can also be achieved by clamping, magnetic connection and the like. Moreover, in the above, the second fastener simultaneously achieves the fixation of the shielding piece 4, the first plate 1 and the ring body 2, and in other embodiments, the fastener for the shielding piece 4 and the first plate 1 and the fastener for the first plate 1 and the ring body 2 can be different. Moreover, in the above embodiment, the installation directions of the first fastener and the second fastener are upward and downward respectively, and in other embodiments, the installation directions of the first fastener and the second fastener can be the same, for example, both are installed from the top, or can be perpendicular to each other, for example, the first fastener is installed from the side, and the second fastener is installed from the top. In the above, the sealing between the ring body 2 and the first plate 1 and the sealing between the shielding piece 4 and the first plate 1 are achieved by the sealing rings, and in other embodiments, the sealing can also be achieved by other sealing manners, for example, glue sealing (both sealing and fixation are achieved), labyrinth sealing and the like, which will not be described in detail herein.
[0059] During installation, the second sealing ring 7 is installed on the ring body 2, and the third sealing ring 8 is installed on the shielding piece 4, so that the second sealing ring 7 and the third sealing ring 8 are respectively attached to two surfaces of the first plate 1 and are located outside the protection area 11. The second fastener is used to fix the shielding piece 4, the first plate 1 and the ring body 2, and to seal the gaps between the ring body 2 and the first plate 1 and between the first plate 1 and the shielding piece 4 by the second sealing ring 7 and the third sealing ring 8. Then, the pouring sealing treatment is performed, so that the outer side of the shielding piece 4 is fixed to the first plate 1 by pouring sealing glue, and the outer side of the ring body 2 is fixed to the first plate 1 by pouring sealing glue, and the protection of the first plate 1 is achieved. Then, the second plate 3 is inserted and connected to the first plate 1, the cover body 5 is arranged on the second plate 3, and the end of the second plate 3 away from the first plate 1 is clamped to the buckle 51 in the cover body 5. Finally, the first fastener is used to lock the cover body 5 and the ring body 2, and the installation is completed.
[0060] When the first plate 1 needs to be damaged, the cover 5 can be disassembled, so that the second plate 3 is exposed, and is suitable for being disassembled from the first plate 1 for repeated use.
[0061] The two sides of the first plate 1 are filled with glue, and the sealing effect of the cover 5 and the shielding piece 4, the first plate 1 and the second plate 3 can meet the three-proofing requirements (moisture-proof, salt spray-proof, mildew-proof), and enhance the adaptability of the corresponding equipment in harsh environment.
[0062] Compared with the prior art, the embodiment has the following beneficial effects:
[0063] In an exemplary embodiment, a circuit board protection structure comprises a first plate 1, a ring body 2, a second plate 3 and a cover 5.
[0064] The first plate 1 is provided with a protection area 11, one end of the protection area 11 is provided with a connecting terminal 111; the second plate 3 is detachably inserted with the connecting terminal 111 to be electrically connected with the first plate 1, the second plate 3 is usually a long-life high-value device, and the second plate 3 is detachably connected with the first plate 1, so that the second plate 3 is easy to be disassembled.
[0065] The outer side of the ring body 2 is also suitable for being fixed with the first plate 1 by filling the glue, so that the area of the first plate 1 covered by the filling glue is stable in use and can prevent sand and dust pollution.
[0066] The ring body 2 surrounds the protection area 11 outside, and is sealingly fixed with the side of the first plate 1 having the connecting terminal 111, so as to protect the protection area 11 inside the ring body 2, thereby preventing the filling glue from entering from the gap between the ring body 2 and the first plate 1 during filling, causing the filling glue to flow into the protection area 11, so that the second plate 3 and the first plate 1 are fixed by the filling glue, and the second plate 3 cannot be disassembled.
[0067] The cover 5 is detachably connected with the ring body 2, and is suitable for being covered on the second plate 3, so that the cover 5 and the ring body 2 protect the second plate 3, and the cover 5 and the ring body 2 are detachable, so that the cover 5 can be disassembled, and the second plate 3 can be taken out.
[0068] In an exemplary embodiment, the cover 5 is provided with a buckle 51, and the buckle 51 is suitable for being connected with the second plate 3 to limit the movement of the second plate 3, thereby improving the shockproof function of the second plate 3.
[0069] In an exemplary embodiment, the buckle 51 has elasticity and has a guide inclined surface 52, so as to adapt to the second plate 3 of different thicknesses, and the buckle 51 has better adhesion to the second plate 3, increases the clamping and buffering performance, and improves the shock resistance of the second plate 3.
[0070] In an exemplary embodiment, the cover 5 and the ring 2 are detachably and sealingly connected, so that the internal area enclosed by the ring 2 and the cover 5 is not affected by dust and moisture, and the protection of the second board 3 and the protection area 11 is improved.
[0071] In an exemplary embodiment, at least one of the cover 5 and the ring 2 is provided with a first sealing groove 53, and the first sealing ring 6 is arranged in the first sealing groove 53 and adapted to abut against the cover 5 and the ring 2 at both ends of the first direction 9. The first fastener is adapted to pass through the cover 5 along the first direction 9 and threadedly engage with the ring 2, so as to connect the cover 5 and the ring 2. As the first fastener and the ring 2 are engaged, the first sealing ring 6 is gradually compressed, so that the sealing property is improved.
[0072] In an exemplary embodiment, the second fastener is adapted to pass through the first board 1 along the first direction 9 and threadedly engage with the ring 2, so as to connect the first board 1 and the ring 2. The ring 2 is provided with a second sealing groove 22, and the second sealing ring 7 is arranged in the second sealing groove 22 and adapted to abut against the first board 1 and the ring 2 at both ends of the first direction 9. As the second fastener and the ring 2 are engaged, the second sealing ring 7 is gradually compressed, so that the sealing property is improved. The corresponding sealing groove is not arranged on the first board 1, and the first board 1 does not need to be processed, so that the protection structure is more universal and can be adapted to various types of first boards 1.
[0073] In an exemplary embodiment, the ring 2 is provided with a threaded hole 21 passing through the ring 2 along the first direction 9, and the first fastener and the second fastener are adapted to threadedly engage with the threaded hole 21, so that the first fastener and the second fastener are engaged through the same threaded hole 21, and the structure of the ring 2 is simpler.
[0074] In an exemplary embodiment, generally, the back of the first board 1 also needs to be subjected to potting treatment, and when the protection area 11 has a through hole along the first direction 9, the potting glue on the back of the first board 1 flows to the inside of the ring 2, so that the second board 3 is fixed with the first board 1 due to the influence of the potting glue. The shielding piece 4 is adapted to shield the protection area 11, so as to protect the protection area 11. The shielding piece 4 is sealingly and fixedly connected with the first board 1, so that when the outside of the shielding piece 4 is also adapted to be fixed with the first board 1 by the potting glue, the potting glue is prevented from entering the protection area 11.
[0075] In an exemplary embodiment, the second fastener is adapted to penetrate the shield 4 along the first direction 9, threadedly engage the ring 2 after the first plate 1, and connect the three, which is simpler to operate. The shield 4 is provided with a third sealing groove 42, and the third sealing ring 8 is disposed in the third sealing groove 42 and adapted to abut against the shield 4 and the first plate 1 at both ends along the first direction 9. As the second fastener and the ring 2 are engaged, the third sealing ring 8 is gradually compressed, so that the sealing property is increased. Based on the sixth aspect, the ring 2 and the first plate 1 can also be sealed. The corresponding sealing groove is not provided on the first plate 1, and the first plate 1 does not need to be processed, so that the protection structure is convenient to adapt to various types of first plates 1 and is more universal.
[0076] In an exemplary embodiment, a power supply device includes a power converter and the circuit board protection structure, and has the beneficial effects of the circuit board protection structure.
[0077] The above description and the embodiment are used to explain the protection scope of the present application, but do not constitute a limitation on the protection scope of the present application. Through the inspiration of the present application or the above embodiment, a person skilled in the art can obtain the modification, equivalent replacement or other improvement of the present application embodiment or one part of the technical features by combining the common knowledge, the ordinary technical knowledge in the art and / or the prior art through logical analysis, reasoning or limited test, which should be included in the protection scope of the present application.
Claims
1. A circuit board protection structure, characterized by: Comprising a first plate (1) provided with a protection area (11), one end of the protection area (11) provided with a connecting terminal (111); a ring body (2) surrounding the protection area (11) and sealingly fixed to the side of the first plate (1) provided with the connecting terminal (111), the outer side of the ring body (2) further adapted to be fixed to the first plate (1) by pouring sealant; a second plate (3) detachably inserted with the connecting terminal (111) to electrically connect with the first plate (1); a cover body (5) detachably connected with the ring body (2) and adapted to cover the second plate (3).
2. The circuit board protection structure of claim 1, wherein: The cover body (5) is provided with a buckle (51) adapted to be buckled with the second plate (3).
3. The circuit board protection structure of claim 2, wherein: The buckle (51) is elastic and has a guide slope (52).
4. The circuit board protection structure of claim 1, wherein: The cover body (5) is detachably sealingly connected with the ring body (2).
5. The circuit board protection structure of claim 4, wherein: Further comprising a first fastener and a first sealing ring (6), at least one of the cover body (5) and the ring body (2) is provided with a first sealing groove (53), the first sealing ring (6) is arranged in the first sealing groove (53) and adapted to abut against the cover body (5) and the ring body (2) at both ends along a first direction (9), the first fastener is adapted to pass through the cover body (5) along the first direction (9) and threadedly cooperate with the ring body (2).
6. The circuit board protection structure of claim 5, wherein: Further comprising a second fastener and a second sealing ring (7), the second fastener is adapted to pass through the first plate (1) along the first direction (9) and threadedly cooperate with the ring body (2), the ring body (2) is provided with a second sealing groove (22), the second sealing ring (7) is arranged in the second sealing groove (22) and adapted to abut against the first plate (1) and the ring body (2) at both ends along the first direction (9).
7. A circuit board protection structure as claimed in claim 6, characterized in that: The ring body (2) is provided with a threaded hole (21) penetrating the ring body (2) along the first direction (9), the first fastener and the second fastener are adapted to threadedly cooperate with the threaded hole (21).
8. A circuit board protection structure according to any one of claims 1 to 7, wherein: Further comprising a shielding piece (4) adapted to shield the protection area (11) on the side of the first plate (1) away from the connecting terminal (111) and sealingly fixed to the first plate (1), and the outer side of the shielding piece (4) is further adapted to be fixed to the first plate (1) by pouring sealant.
9. The circuit board protection structure of claim 8, wherein: Further comprising a second fastener and a third sealing ring (8), the second fastener is adapted to pass through the shielding piece (4) and the first plate (1) along the first direction (9) and threadedly cooperate with the ring body (2), the shielding piece (4) is provided with a third sealing groove (42), the third sealing ring (8) is arranged in the third sealing groove (42) and adapted to abut against the shielding piece (4) and the first plate (1) at both ends along the first direction (9).
10. A power supply device characterized by comprising: Comprising a power converter and a circuit board protection structure as claimed in any one of claims 1-9.