Circuit board integrated with safety capacitor

Abstract

The utility model relates to the technical field of circuit boards, and discloses a circuit board integrated with safety capacitors, which comprises a PCB (printed circuit board), welding positions are arranged on the same surface of the PCB according to design requirements, and a first safety capacitor and a second safety capacitor are welded on the welding positions. The welding pin surfaces of the first safety capacitor and the second safety capacitor are tightly attached to the board surface of the PCB, and the PCB is provided with a plurality of mounting holes. According to the circuit board integrated with the safety capacitors provided by the utility model, the plurality of safety capacitors are concentrated on the PCB to be uniformly welded, so that the welding time is remarkably shortened, the production efficiency is improved, all the capacitors are welded on the same plane, the consistency and stability of welding are ensured, the welding quality is improved, the welding process and the mounting process are separated, and the production cost is reduced. The production process of the filter is simplified, the production complexity is reduced, and defective products are reduced due to improvement of the welding efficiency and the quality, so that the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage power supply, in particular to a circuit board integrated with safety capacitors. Background Art

[0002] Safety capacitors are safety capacitors primarily used for filtering in anti-interference circuits to ensure personal safety. Safety capacitors, also known as safety capacitors, are specialized capacitors designed to prevent electric shock even in the event of capacitor failure or damage, thereby protecting personnel. These capacitors are commonly used in anti-interference circuits, reducing noise and interference through filtering, thereby improving circuit stability and reliability. Safety capacitors are primarily categorized into two types: X-capacitors and Y-capacitors. X-capacitors are used to suppress differential-mode interference, while Y-capacitors are used to suppress common-mode interference. X-capacitors are connected between the two wires of a power line (i.e., "L" and "N") and primarily suppress differential-mode interference. X capacitors are typically metallized film capacitors with large capacitance (μF). Most are square and bear safety certification marks and voltage ratings. Y capacitors are typically ceramic capacitors, appearing in pairs. Most are oblate and blue in color and are used to suppress common-mode interference. Y capacitors have smaller capacitance (nF) and are primarily used in isolation applications to ensure sufficient electrical safety distance and prevent arcing during high-voltage operation. Safety capacitor selection requires consideration of voltage rating and insulation rating. X capacitors are categorized as X1, X2, and X3 based on voltage rating, while Y capacitors are categorized as Y1, Y2, and Y3 based on insulation rating. Choosing the right safety capacitor is crucial for ensuring safe and stable circuit operation.

[0003] The welding quality of safety capacitors directly impacts the yield rate of filter products, while the welding process is directly related to product production capacity. In existing technology, safety capacitors are typically soldered directly onto the filter. Due to the varying lengths and heights of the capacitor pin soldering paths, soldering time is excessive, impacting production efficiency. Furthermore, soldering capacitors in different locations increases soldering complexity and reduces soldering consistency and stability.

[0004] To this end, a circuit board integrated with safety capacitors is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a circuit board with integrated safety capacitors, which has the advantages of easy installation and maintenance, and solves the technical problems in the prior art that safety capacitors are usually directly welded on the filter, the welding time is too long and affects the production efficiency of the product, and the welding of capacitors in different positions also increases the complexity of welding and reduces the consistency and stability of welding.

[0006] In order to solve the above technical problems, the technical solutions of the present utility model are as follows:

[0007] A circuit board integrated with a safety capacitor, comprising:

[0008] A PCB board has welding positions arranged on the same surface of the PCB board according to design requirements, and a safety capacitor 1 and a safety capacitor 2 are welded on the welding positions, and the welding pin surfaces of the safety capacitor 1 and the safety capacitor 2 are tightly fitted with the board surface of the PCB board.

[0009] As a preferred solution of the present invention, a plurality of mounting holes are provided on the PCB board.

[0010] As a preferred solution of the present invention, each of the mounting holes is provided with a fixing member for fixing the PCB board on the filter.

[0011] As a preferred solution of the present invention, each set of the fixing members includes a cylindrical body, which is slidably inserted into the mounting hole, one end of the cylindrical body is an open end, and the other end of the cylindrical body is provided with a socket, a screw is installed in the socket, and the screw rod of the screw can extend to the outside of the cylindrical body, wherein:

[0012] An external threaded portion is provided on the outer side surfaces of both ends of each cylindrical body, and two springs are movably sleeved on each cylindrical body, and a nut is screwed on each of the external threaded portions. The two springs in the same fixing member are distributed between the two nuts, and the PCB board is located between the two springs in the same fixing member.

[0013] As a preferred solution of the present invention, two damping rubber pads are movably mounted on each of the cylindrical bodies, the two damping rubber pads in the same fixing member are located between the two springs, and the PCB board is located between the two damping rubber pads in the same fixing member.

[0014] As a preferred solution of the present invention, the screw is a cylindrical head hexagon socket screw.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The circuit board with integrated safety capacitors provided by the utility model significantly shortens the welding time and improves production efficiency by centralizing multiple safety capacitors on a PCB board for unified welding. All capacitors are welded on the same plane, which ensures the consistency and stability of welding and improves the welding quality. The welding and installation processes are separated, which simplifies the production process of the filter and reduces the production complexity. Due to the improved welding efficiency and quality, the generation of defective products is reduced, thereby reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] One or more embodiments are exemplarily illustrated by pictures in the corresponding drawings. These exemplifications do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings are represented as similar elements. Unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0018] Figure 1 A schematic structural diagram of a circuit board with integrated safety capacitors provided in Example 1 of the present utility model;

[0019] Figure 2 A schematic structural diagram of a circuit board with integrated safety capacitors provided in Example 2 of the present utility model;

[0020] Figure 3 A schematic structural diagram of a circuit board with integrated safety capacitors provided in Example 2 of the present utility model from another perspective;

[0021] Figure 4 Schematic diagram of the structure of the fixing part in the circuit board with integrated safety capacitor provided in Example 2 of the present utility model Figure 4 ;

[0022] Figure 5 A schematic diagram of the partial structure of a fixing member in a circuit board with integrated safety capacitors provided in Example 2 of the present utility model;

[0023] Figure 6 This is a partial half-sectional structural diagram of a fixing component in a circuit board with integrated safety capacitors provided in Example 2 of the present utility model.

[0024] Explanation of the accompanying reference numerals: 1. PCB board; 101. Mounting hole; 2. Safety capacitor one; 3. Safety capacitor two; 4. Fixing piece; 401. Cylinder; 402. External threaded portion; 403. Nut; 404. Spring; 405. Damping rubber pad; 406. Screw; 407. Jack. DETAILED DESCRIPTION

[0025] To make the objectives, technical solutions, and advantages of the present invention more clearly apparent, various embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, those skilled in the art will appreciate that many technical details are provided in various embodiments of the present invention to facilitate a better understanding of the present application. However, even without these technical details and the various variations and modifications based on the following embodiments, the technical solutions claimed in the claims of this application can be achieved.

[0026] Example 1

[0027] The circuit board provided in this embodiment is integrated with safety capacitors, such as Figure 1As shown, it includes: a PCB board 1, and welding positions are arranged on the same surface of the PCB board 1 according to design requirements, and safety capacitor 1 2 and safety capacitor 2 3 are welded on the welding positions, and the welding pin surfaces of safety capacitor 1 2 and safety capacitor 2 3 are tightly fitted with the board surface of the PCB board 1.

[0028] The circuit board with integrated safety capacitors set up using the above technical solution significantly shortens the welding time and improves production efficiency by centralizing multiple safety capacitors on the PCB board for unified welding. All capacitors are welded on the same plane, ensuring the consistency and stability of welding, improving welding quality, separating the welding and installation processes, simplifying the production process of the filter, and reducing production complexity. Due to the improved welding efficiency and quality, the generation of defective products is reduced, thereby reducing production costs.

[0029] Specifically, in this embodiment, in order to facilitate the circuit board with integrated safety capacitors to be fixed on the filter by screws, a plurality of mounting holes 101 are provided on the PCB board 1 .

[0030] Example 2

[0031] The difference from Example 1 is that this embodiment provides a circuit board with integrated safety capacitors, such as Figure 1-6 As shown, in order to improve the shockproof performance of the circuit board integrated with safety capacitors, a fixing member 4 for fixing the PCB board 1 on the filter is provided in each mounting hole 101 .

[0032] Specifically, in this embodiment, each set of fixing parts 4 includes a cylindrical body 401, which is slidably inserted into the mounting hole 101, one end of the cylindrical body 401 is an open end, and the other end of the cylindrical body 401 is provided with a socket 407, a screw 406 is installed in the socket 407, and the screw rod of the screw 406 can extend to the outside of the cylindrical body 401, wherein: an external threaded portion 402 is provided on the outer side surface of both ends of each cylindrical body 401, and two springs 404 are movably sleeved on each cylindrical body 401, and a nut 403 is screwed on each external threaded portion 402, the two springs 404 in the same fixing part 4 are distributed between the two nuts 403, and the PCB board 1 is located between the two springs 404 in the same fixing part 4.

[0033] Specifically, in this embodiment, two damping rubber pads 405 are movably mounted on each cylinder 401 , the two damping rubber pads 405 in the same fixing member 4 are located between the two springs 404 , and the PCB board 1 is located between the two damping rubber pads 405 in the same fixing member 4 .

[0034] Each set of fixing parts 4 set up using the above technical solution is composed of a cylindrical body 401, two springs 404, two nuts 403, two damping rubber pads 405 and a screw 406. Under the action of the cylindrical body 401, two springs 404, two nuts 403 and two damping rubber pads 405, the PCB board 1 has a certain amount of activity space on the cylindrical body 401. Especially when vibration occurs, the cylindrical body 401, two springs 404, two nuts 403 and two damping rubber pads 405 can cooperate with each other to achieve an effective shock-absorbing effect, thereby greatly improving the shockproof performance of the circuit board with integrated safety capacitors, making the circuit board with integrated safety capacitors less likely to be damaged by vibration and better meeting usage requirements.

[0035] Specifically, in this embodiment, in order to facilitate operation with an inner hexagonal wrench, the provided screw 406 is a cylindrical head inner hexagonal screw.

[0036] In summary, the circuit board with integrated safety capacitors provided in this embodiment has the following advantages:

[0037] This circuit board with integrated safety capacitors significantly shortens soldering time and improves production efficiency by centralizing multiple safety capacitors on the PCB for unified soldering. All capacitors are soldered on the same plane, ensuring soldering consistency and stability, improving soldering quality, and separating the soldering and installation processes, simplifying the filter production process and reducing production complexity. The improved soldering efficiency and quality reduce the number of defective products, thereby reducing production costs.

[0038] The circuit board with integrated safety capacitors is provided with fixing parts 4, and each set of fixing parts 4 is composed of a cylinder 401, two springs 404, two nuts 403, two damping rubber pads 405 and screws 406. Under the action of the cylinder 401, two springs 404, two nuts 403 and two damping rubber pads 405, the PCB board 1 has a certain amount of movement space on the cylinder 401. In particular, when vibration occurs, the cylinder 401, two springs 404, two nuts 403 and two damping rubber pads 405 can cooperate with each other to achieve an effective shock-absorbing effect, thereby greatly improving the shockproof performance of the circuit board with integrated safety capacitors, making the circuit board with integrated safety capacitors less likely to be damaged by vibration and better meeting usage requirements.

[0039] During implementation, first prepare a suitable PCB board and arrange the soldering positions on the PCB board according to the design requirements.

[0040] Place multiple safety capacitors on PCB 1 according to a predetermined layout, ensuring that all soldering pin surfaces are tightly fitted to the PCB surface.

[0041] Use automatic or manual soldering equipment to solder safety capacitors. Since all capacitors are on the same plane and the soldering path is short, the soldering process is fast and consistent.

[0042] After the welding is completed, the welded PCB board 1 is fixedly installed in the filter product through the fixing member 4, completing the entire welding and installation process.

[0043] Those skilled in the art will appreciate that the above-mentioned embodiments are specific examples for implementing the present invention, and in actual applications, various changes may be made thereto in form and detail without departing from the spirit and scope of the present invention.

Claims

1. A circuit board integrated with safety capacitors, characterized in that: include: A PCB board (1) is provided with welding positions arranged on the same surface of the PCB board (1) according to design requirements, a safety capacitor (2) and a safety capacitor (3) are welded on the welding positions, and the welding pin surfaces of the safety capacitor (2) and the safety capacitor (3) are tightly fitted with the board surface of the PCB board (1).

2. The circuit board with integrated safety capacitors according to claim 1, characterized in that: The PCB board (1) is provided with a plurality of mounting holes (101).

3. The circuit board with integrated safety capacitors according to claim 2, characterized in that: Each of the mounting holes (101) is provided with a fixing member (4) for fixing the PCB board (1) on the filter.

4. The circuit board with integrated safety capacitors according to claim 3, characterized in that: Each set of the fixing members (4) comprises a cylindrical body (401), the cylindrical body (401) being slidably inserted into the mounting hole (101), one end of the cylindrical body (401) being an open end, and the other end of the cylindrical body (401) being provided with a socket (407), a screw (406) being installed in the socket (407), the screw rod of the screw (406) being able to extend to the outside of the cylindrical body (401), wherein: An external threaded portion (402) is provided on the outer side surfaces of both ends of each cylindrical body (401), and two springs (404) are movably sleeved on each cylindrical body (401), and a nut (403) is screwed onto each external threaded portion (402). The two springs (404) in the same fixing member (4) are distributed between the two nuts (403), and the PCB board (1) is located between the two springs (404) in the same fixing member (4).

5. The circuit board with integrated safety capacitors according to claim 4, characterized in that: Two damping rubber pads (405) are movably sleeved on each cylindrical body (401); the two damping rubber pads (405) in the same fixing member (4) are located between the two springs (404); and the PCB board (1) is located between the two damping rubber pads (405) in the same fixing member (4).

6. The circuit board with integrated safety capacitors according to any one of claims 4-5, characterized in that: The screw (406) is a cylindrical head hexagon socket screw.

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