Anti-vibration rectifier
By introducing a limiting structure into the rectifier to restrict the movement of conductive components, the problem of easy breakage of conductive connections in vibration environments is solved, thereby improving the shock resistance and the stability of conductive contacts.
Patent Information
- Application Number
- CN202422646615.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-10-30
AI Technical Summary
In plasma cutting machines, the welding points of conductive strips and conductive parts are prone to breakage due to long-term vibration, resulting in poor contact and affecting equipment stability.
An anti-vibration rectifier was designed. By setting a limiting structure inside the housing, the vertical movement of the conductive component is restricted, ensuring a stable connection between the conductive component and the conductive part. This includes setting a limiting groove and a protruding part of the conductive component on the inner side wall of the housing, and using the bent part to abut against the limiting groove to reduce the risk of connection breakage.
It improves shock resistance, maintains the stability of conductive contact performance, and ensures the reliability of equipment operation in environments with frequent vibration.
Smart Images
Figure CN223462936U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electronic device technical field, especially relate to an anti -shock rectifier. BACKGROUND
[0002] The rectifier is one of the conventional devices in the electronic field, when being applied to the equipment such as plasma cutting machine, in order to prevent the high temperature, dust and other environmental influences on the electronic components constituting the rectifier module, leading to the damage of electronic components, usually the cover shell 910 is covered on the circuit board 920 bearing electronic components, the cover shell 910 and the circuit board 920 form the cavity 930 capable of protecting the rectifier module, as shown in the specific Figure 1 However, external devices need to be connected with the rectifier module through wires or conductive rows, therefore, the conductive terminal 940 is usually arranged on the surface of the cover shell 910, the conductive strip 950 is arranged in the cover shell 910, the leading end of the conductive strip 950 is welded with the conductive part 960 on the circuit board 920, the conductive part 960 is connected with the rectifier module, and the tail end of the conductive strip 950 extends out of the cover shell 910 to be connected with the conductive terminal 940, so that the external devices can be connected with the rectifier module through the conductive terminal 940, the conductive strip 950 and the conductive part 960.
[0003] And due to the relatively harsh application environment, the plasma cutting machine works in long-term vibration, and the welding position of the leading end of the conductive strip 950 and the conductive part 960 is prone to fracture and poor contact after a long time, so that the plasma cutting machine fails. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at at least solving one of the technical problems existing in the prior art. For this purpose, the utility model provides an anti-shock rectifier, which improves the anti-shock ability, maintains good conductive contact performance and operates stably and reliably.
[0005] The anti-shock rectifier according to the first aspect embodiment of the utility model comprises a circuit board, the circuit board is provided with a rectifier module and a plurality of conductive parts, and the rectifier module is electrically connected with the conductive parts; a cover shell is covered on the circuit board to form a cavity, the rectifier module is located in the cavity, and the top of the cover shell is provided with a plurality of mounting holes; a plurality of conductive pieces are electrically connected with the conductive parts at the leading end, and the tail end of the conductive piece extends and passes out of the mounting hole to be exposed to the cover shell; wherein, a limiting structure is arranged in the cover shell, and the limiting structure is used to limit the up-down movement of the conductive piece.
[0006] The anti-shock rectifier according to the utility model embodiment has at least the following
[0007] Beneficial effects:
[0008] The utility model discloses an anti -shock rectifier, the cover shell is equipped with in the circuit board to form the cavity with the circuit board, and the rectifier module is located in the cavity, and the cover shell can form the protection effect to rectifier module, and the tail end of the electrically conductive part extends and passes out from the mounting hole to expose in the cover shell to connect with the external device, and the head of electrically conductive part is connected with the electrically conductive part, and the limiting structure in the cover shell can limit the up and down movement of electrically conductive part, when the anti -shock rectifier is applied to the equipment such as plasma cutting machine, even if the installation environment exists frequent vibration, and the head of electrically conductive part and the electrically conductive part are not easy to break, and the design improves the anti -shock ability, maintains good electrically conductive contact performance, and is stable and reliable in operation.
[0009] According to some embodiments of the utility model, the limiting structure includes a limiting groove provided on the inner side wall of the cover shell, the electrically conductive part is provided with a convex connecting part between both ends, the convex connecting part is clamped in the limiting groove, the upper end wall of the convex connecting part can abut against the upper side wall of the limiting groove, and the lower end wall of the convex connecting part can abut against the lower side wall of the limiting groove.
[0010] According to some embodiments of the utility model, the electrically conductive part is composed of conductive metal or conductive alloy material, and the convex connecting part is formed by bending the electrically conductive part.
[0011] According to some embodiments of the utility model, the inner side wall of the cover shell is provided with a convex rib to define the limiting groove.
[0012] According to some embodiments of the utility model, the head of the electrically conductive part is provided with a first bending part, the bottom surface of the first bending part is flatly attached to the upper surface of the electrically conductive part, and the electrically conductive part is electrically connected with the electrically conductive part through the first bending part.
[0013] According to some embodiments of the utility model, the first bending part and the electrically conductive part are connected through rivet pressing.
[0014] According to some embodiments of the utility model, the first bending part and the electrically conductive part are connected through tin paste welding.
[0015] According to some embodiments of the utility model, the tail end of the electrically conductive part protrudes from the cover shell, and the tail end of the electrically conductive part is clamped with the outer surface of the cover shell.
[0016] According to some embodiments of the utility model, the tail end of the electrically conductive part is provided with a second bending part, and the second bending part is clamped with the outer surface of the cover shell.
[0017] According to some embodiments of the utility model, the bottom surface of the second bending part is flatly attached to the outer surface of the cover shell, and the top surface of the second bending part is a conductive plane.
[0018] Additional aspects and advantages of the present application will be set forth in part in the following description, and in part will become apparent to those skilled in the art upon examination of the following description, or can be learned by practice of the application. BRIEF DESCRIPTION OF DRAWINGS
[0019] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, including the accompanying drawings, wherein:
[0020] Figure 1 is a schematic diagram of an internal structure of a conventional rectifier;
[0021] Figure 2 is a schematic diagram of an internal structure of a conventional rectifier;
[0022] Figure 3 is a schematic diagram of an internal structure of a conventional rectifier; Figure 2 is a sectional view of the embodiment of the anti-vibration rectifier according to the present application along section A-A;
[0023] Figure 4 is a schematic diagram of an internal structure of a conventional rectifier;
[0024] Reference Signs:
[0025] PRIOR ART
[0026] Cover 910; circuit board 920; accommodating cavity 930; conductive terminal 940; conductive strip 950; conductive part 960.
[0027] THE PRESENT INVENTION
[0028] Circuit board 100; conductive part 110; cover 200; accommodating cavity 210; mounting hole 220; conductive member 300; first bent part 310; rivet member 320; second bent part 330; limiting structure 400; limiting recess 410; convex joint part 420. DETAILED DESCRIPTION
[0029] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and should not be understood as limiting the present application.
[0030] In the description of the utility model, need understanding is, if the direction description is related to, for example the term "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and so on the direction or position relation indicated is based on the direction or position relation shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and is not the indication or implication of the device or element indicated must have a particular direction, with a particular direction configuration and operation, therefore can not be understood as the restriction of the utility model.
[0031] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, more than and the like are understood as not including the number, above, below, within and the like are understood as including the number.If the first, second is described, it is only used for distinguishing technical features for the purpose, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.
[0032] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, can be detachably connected, or integrally connected;It can be mechanically connected, or electrically connected;It can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0033] As shown in Figure 2 - Figure 4 The utility model discloses a kind of shockproof rectifiers according to the first aspect embodiment of the utility model, including circuit board 100, cover 200 and several conductive pieces 300, the rectification module (not shown in the drawing) and several conductive parts 110 are provided on the circuit board 100, the rectification module is electrically connected with the conductive part 110, cover 200 is covered in the circuit board 100 to form cavity 210, the rectification module is located in cavity 210, the top of cover 200 is provided with several mounting holes 220, the leading end of the conductive piece 300 is electrically connected with conductive part 110, the tail end of the conductive piece 300 extends and passes out from the mounting hole 220 to expose in the cover 200, wherein, limit structure 400 is provided in the cover 200, the limit structure 400 is used to limit the conductive piece 300 moves up and down.
[0034] It should be noted that the circuit board 100 can be made of aluminum alloy, ceramic, resin or the like, and a conductive circuit layer formed of copper or tin is arranged on the circuit board 100. The rectifier module generally includes a plurality of rectifier diodes, and the plurality of rectifier diodes are connected to form a full-bridge rectifier circuit or a full-wave rectifier circuit. The rectifier diodes are connected with the conductive circuit layer, and the conductive part 110 can be a solder pad arranged on the circuit board 100, and the solder pad is integrally formed with the conductive circuit layer.
[0035] The cover 200 can be rectangular, circular, oval or other irregular shapes, and the cover 200 can be made of insulating alloy, ceramic, plastic, resin or the like. The cover can be transparent or opaque. The cover is arranged on the circuit board 100 to form a cavity 210 for protecting the rectifier module. Specifically, the cover can be connected with the circuit board 100 by buckling, screws or adhesive.
[0036] The mounting hole 220 at the top of the cover 200 is generally matched with the cross-sectional shape of the conductive part 300, so that after the conductive part 300 passes through the mounting hole 220, the inner wall of the mounting hole 220 is as close as possible to the outer side wall of the conductive part 300, thereby effectively preventing water or dust from entering the cavity 210.
[0037] The utility model discloses an anti-vibration rectifier, the cover 200 is covered in the circuit board 100 to form the cavity 210 between the circuit board 100, and the rectifier module is located in the cavity 210. The cover 200 can protect the rectifier module. The tail end of the conductive part 300 extends out of the mounting hole 220 to expose the cover 200 for connection with external devices. The head end of the conductive part 300 is electrically connected with the conductive part 110. Since the limiting structure 400 in the cover 200 can limit the up-down movement of the conductive part 300, when the anti-vibration rectifier is applied to a plasma cutting machine or other equipment, even if the installation environment is frequently vibrated, the connection between the head end of the conductive part 300 and the conductive part 110 is not easy to break. The design improves the anti-vibration ability, maintains good conductive contact performance, and operates stably and reliably.
[0038] In some embodiments of the utility model, as shown in Figure 3 , 4 The limiting structure 400 includes a limiting groove 410 arranged on the inner side wall of the cover 200. The conductive part 300 is provided with a convex connecting part 420 between the two ends. The convex connecting part 420 is arranged in the limiting groove 410. The upper end wall of the convex connecting part 420 can abut against the upper side wall of the limiting groove 410. The lower end wall of the convex connecting part 420 can abut against the lower side wall of the limiting groove 410.
[0039] The convex connecting portion 420 is formed between both ends of the conductive piece 300, and when the circuit board 100 and the cover body are subjected to vibration, the upper end wall of the convex connecting portion 420 can abut against the upper side wall of the limiting recess 410, and the lower end wall of the convex connecting portion 420 can abut against the lower side wall of the limiting recess 410, so that the stress of the conductive piece 300 is concentrated on the convex connecting portion 420, the stress burden at the connecting position of the leading end of the conductive piece 300 and the conductive portion 110 is reduced, and the leading end of the conductive piece 300 and the conductive portion 110 are not prone to breakage.
[0040] In some embodiments of the utility model, the conductive piece 300 is composed of conductive metal or conductive alloy material, and the convex connecting portion 420 is formed by bending the conductive piece 300.
[0041] Specifically, the conductive piece 300 can be made of metal or alloy material such as copper and aluminum, the conductive piece 300 has flexibility and can be bent under the stamping process, the conductive piece 300 is bent to form a convex portion, and then the convex connecting portion 420 is formed, specifically, the convex connecting portion 420 can also be formed by the thickness change of the cross section of the conductive piece 300 in the length direction, or the convex connecting portion 420 can be formed by the combination of bending and the thickness change of the cross section in the length direction.
[0042] In some embodiments of the utility model, as shown in Figure 3 The inner side wall of the cover shell 200 is provided with a convex rib to define the limiting recess 410.
[0043] The convex rib can be integrally formed with the cover shell 200, the convex rib can cooperate with the inner wall of the top of the cover shell 200 to define the limiting recess 410, or the convex rib can have two, and the limiting recess 410 is defined between the two convex ribs.
[0044] In some embodiments of the utility model, as shown in Figure 3 , 4 The leading end of the conductive piece 300 is provided with a first bending portion 310, the bottom surface of the first bending portion 310 is flatly attached to the upper surface of the conductive portion 110, and the conductive piece 300 is electrically connected with the conductive portion 110 through the first bending portion 310.
[0045] The conductive piece 300 can be in the shape of a strip, the first bending portion 310 can be integrally bent from the conductive piece 300, the bottom surface of the first bending portion 310 is flatly attached to the upper surface of the conductive portion 110, so that a larger contact area can be ensured, the resistance after electrical connection is reduced, the electrical conductivity is good, and the connection is tight and not prone to breakage.
[0046] In some embodiments of the utility model, the first bending portion 310 and the conductive portion 110 are connected through a rivet piece 320.
[0047] The first bending part 310 and the conductive part 110 are connected by rivet pieces 320, so that the first bending part 310 and the conductive part 110 are tightly attached and firmly connected.
[0048] In some embodiments of the utility model, the first bending part 310 and the conductive part 110 are welded by tin paste, and the tin paste can improve the conductivity of the first bending part 310 and the conductive part 110, specifically, in some embodiments of the utility model, the first bending part 310 and the conductive part 110 are first connected by rivet pieces 320, and then welded by tin paste, so that the current-carrying capacity can be improved on the basis of firm connection.
[0049] In some embodiments of the utility model, as shown in Figure 2 、 3 , 4, the tail end of the conductive piece 300 extends out of the shell 200, and the tail end of the conductive piece 300 is clamped with the outer surface of the shell 200.
[0050] After the tail end of the conductive piece 300 extends out of the shell 200 and is clamped with the outer surface of the shell 200, the tail end of the conductive piece 300 is prevented from being easily loosened during vibration, thereby affecting the connection stability with external devices.
[0051] In some embodiments of the utility model, the tail end of the conductive piece 300 is provided with a second bending part 330, and the second bending part 330 is clamped with the outer surface of the shell 200.
[0052] The second bending part 330 can be integrally bent from the conductive piece 300, so that the second bending part 330 can be pressed against the outer surface of the shell 200 during vibration, and is not easy to loosen.
[0053] In some embodiments of the utility model, the bottom surface of the second bending part 330 is attached to the outer surface of the shell 200, and the top surface of the second bending part 330 is a conductive plane.
[0054] The top surface of the second bending part 330 is used for connecting with external devices, and the top surface of the second bending part 330 forms a relatively flat conductive plane, so that the external devices can be connected with the second bending part 330 by pressing or welding, thereby ensuring stable and reliable connection.
[0055] The technical features of the above-mentioned embodiments can be combined arbitrarily, and in order to make the description simple, all possible combinations of the technical features in the above-mentioned embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered as the scope of the present application.
[0056] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.
Claims
1. A shock resistant rectifier characterized by, The utility model relates to a rectifier module and a plurality of conductive parts are arranged on a circuit board, the rectifier module is electrically connected with the conductive parts, a cover is arranged on the circuit board to form a cavity, the rectifier module is located in the cavity, a plurality of mounting holes are arranged on the top of the cover, a plurality of conductive parts are arranged, the front end of the conductive part is electrically connected with the conductive part, the tail end of the conductive part extends and passes out from the mounting hole to expose the cover, wherein a limiting structure is arranged in the cover, and the limiting structure is used for limiting the up-down movement of the conductive part. The limiting structure includes a limiting groove arranged on the inner side wall of the cover, a convex connecting part is arranged between the two ends of the conductive part, the convex connecting part is arranged in the limiting groove, the upper end wall of the convex connecting part can abut against the upper side wall of the limiting groove, and the lower end wall of the convex connecting part can abut against the lower side wall of the limiting groove. The conductive part is composed of a conductive metal or a conductive alloy material, and the convex connecting part is formed by bending the conductive part. The inner side wall of the cover is provided with a convex rib to define the limiting groove. The front end of the conductive part is provided with a first bending part, the bottom surface of the first bending part is flush with the upper surface of the conductive part, and the conductive part is electrically connected with the conductive part through the first bending part.
2. A shock absorbing rectifier according to claim 1, characterized in that: The first bending part and the conductive part are connected by rivet pressing.
3. A shock absorbing rectifier according to claim 2, characterized in that: The first bending part and the conductive part are connected by tin paste welding.
4. A shock absorbing rectifier as claimed in claim 2, characterized in that: The tail end of the conductive part extends out of the cover, and the tail end of the conductive part is clamped with the outer surface of the cover.
5. The shock resistant rectifier of claim 1, wherein: The tail end of the conductive part is provided with a second bending part, and the second bending part is clamped with the outer surface of the cover.
6. A shock absorbing rectifier as claimed in claim 5, characterized in that: The bottom surface of the second bending part is flush with the outer surface of the cover, and the top surface of the second bending part is a conductive plane.
7. A shock absorbing rectifier as claimed in claim 6, characterized in that: 8. The shock resistant rectifier of claim 1, wherein: 9. A shock absorbing rectifier as claimed in claim 8, characterized in that: 10. A shock absorbing rectifier as claimed in claim 9, characterized in that: