Connecting structure of PCB (Printed Circuit Board) and framework

Abstract

The utility model provides a connection structure of a PCB and a framework, and the structure comprises the framework which is used for bearing a part; the PCB is connected to one side of the framework and used for arranging a circuit; and the PINs are L-shaped on the whole, are connected to the framework and the PCB and are used for transmitting electric signals. According to the connecting structure of the PCB and the framework, the problems that an existing device is poor in anti-vibration capacity and prone to position deviation when subjected to external vibration are solved, and the connecting structure has the advantages that components are relatively stable, the anti-vibration capacity is enhanced, and the product stability is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB board technical field, especially a kind of connection structure of PCB board and framework. BACKGROUND

[0002] PCB (Printed Circuit Board) originated in the 1930s, Paul Eisler (Paul Eisler) first adopted printed circuit board technology in radio device.

[0003] After years of development, PCB technology has developed from single-sided board, double-sided board to multilayer board, and continues to develop towards high precision, high density, fine line, high reliability, low cost and automated continuous production.

[0004] Modern PCB has the characteristics of high density, high integration, high performance and low cost, and is widely used in various electronic devices. PCB, as the support of electronic components and the carrier of electrical connection, plays a crucial role in electronic devices. Early PCB assembly mainly adopts through-hole insertion technology, that is, the pins of components are inserted into the through holes of PCB, and then fixed on PCB by welding.

[0005] In the existing device, the PCB and the framework and other devices that fix it are used in various environments, sometimes in a vibrating environment, at this time, the external vibration has a great impact on the position of the PCB, and is easy to cause displacement after installation, affecting the use effect. UTILITY MODEL CONTENTS

[0006] The main purpose of the utility model is to provide a connection structure of PCB board and framework, which overcomes the above technical problems.

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0008] A connection structure of PCB board and framework, comprising:

[0009] Framework for bearing parts;

[0010] PCB board connected to one side of the framework for arranging circuit;

[0011] PIN, overall L-shaped, connected to the framework and PCB board, for transmitting electrical signal.

[0012] Further, the connection between the framework and the PCB board is detachable.

[0013] Further, the framework is provided with a positioning structure, and the framework is connected with the PCB board through the positioning structure.

[0014] Further, the PCB is provided with a positioning mounting hole, the positioning structure passes through the positioning mounting hole, and the skeleton and the PCB are fixed together by a nut at the end close to the PCB.

[0015] Further, the skeleton is provided with a fixing hole, a PIN pin is inserted into the fixing hole, and a lower part extends out of the skeleton 1 and is connected with the PCB.

[0016] Further, the connection mode of the PIN pin and the PCB is welding.

[0017] Further, the PCB is provided with at least two through holes, and the PIN pin is connected with the PCB through the through holes.

[0018] The PCB and skeleton connecting structure solves the problem that the existing equipment has weak anti-vibration ability and is prone to position deviation when subjected to external vibration, has relatively more stable components, stronger anti-vibration ability, and better product stability. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings accompanying the specification of this application form a part of the application and serve to provide further understanding of the present application, the illustrative embodiments of the present application and the explanations thereof serve to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0020] Fig. 1 It is a whole structure schematic view of the PCB and skeleton connecting structure.

[0021] Fig. 2 It is a test structure schematic view of the PCB and skeleton connecting structure.

[0022] Fig. 3 It is a structure schematic view of the PCB in the present application.

[0023] Among them, the above drawings include the following reference signs:

[0024] 1, skeleton; 2, PCB; 3, PIN pin; 4, positioning structure; 21, through hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. The description of the at least one exemplary embodiment is merely illustrative in nature and in no way limits the present utility model and its application or use. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0026] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0027] The relative arrangement of components and steps, numerical expressions, and numerical values set forth in the embodiments are not intended to limit the scope of the present utility model, unless otherwise specifically stated. Meanwhile, it should be understood that the sizes of various parts shown in the drawings are not drawn in accordance with the actual proportional relationship for the convenience of description. The technology, methods and devices known to those skilled in the related art can not be discussed in detail, but should be considered as part of the authorized description, if appropriate. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0028] The following description will be made with reference to the drawings Figs. 1 to 3 Further description of the present utility model:

[0029] A connecting structure of a PCB and a skeleton, comprising:

[0030] The skeleton 1 is used for bearing components;

[0031] The PCB 2 is connected to one side of the skeleton 1 and is used for arranging circuits;

[0032] The PIN pin 3 is in the shape of L as a whole, is connected to the skeleton 1 and the PCB 2, and is used for transmitting electrical signals.

[0033] The connecting mode between the skeleton 1 and the PCB 2 is detachable connection.

[0034] The positioning structure 3 is arranged on the skeleton 1, and the skeleton 1 is connected with the PCB 2 through the positioning structure 3.

[0035] The positioning installation hole is arranged on the PCB 2, the positioning structure 3 passes through the positioning installation hole, and the end close to the PCB 2 is used for fixing the skeleton 1 and the PCB 2 together through a nut.

[0036] In an embodiment, the positioning structure 4 is arranged in an adjustable form, and the adjustable positioning structure 4, such as an adjustable positioning column or a positioning groove, is designed on the skeleton, so that different specifications or sizes of the PCB can be adapted by adjusting the position or size of the positioning structure, and the versatility and flexibility of the mounting structure are improved.

[0037] The fixing hole is arranged on the skeleton 1, the PIN 3 is inserted into the fixing hole, and the lower part extends out of the skeleton 1 and is connected with the PCB 2.

[0038] The connection mode of the PIN 3 and the PCB 2 is welding.

[0039] In the welding process of the PIN 3 and the PCB 2, lead-free welding technology is adopted to reduce the influence on the environment and the treatment cost of waste and to improve the reliability and durability of the welding joint and prolong the service life of the product.

[0040] The at least two through holes 21 are arranged on the PCB 2, and the PIN 3 is connected with the PCB 2 through the through holes 21.

[0041] In an embodiment, the elastic fixing element, such as a spring sheet or an elastic clamping structure, is arranged around the fixing hole on the skeleton 1 to enhance the fixing effect of the PIN in the skeleton 1. This design not only prevents the PIN 3 from loosening in a vibrating environment, but also compensates for the small gap between the PCB 2 and the skeleton 1 to some extent, thereby improving the stability and reliability of the installation.

[0042] In an embodiment, the diameter of the PIN 3 is increased or the shape of the bent part thereof is changed to improve the mechanical strength and electrical conductivity. At the same time, special materials or surface treatment technology can be considered to enhance the corrosion resistance and wear resistance of the PIN 3.

[0043] In an embodiment, the heat dissipation structure, such as a heat dissipation fin, a heat dissipation hole or a heat dissipation channel, is designed on the skeleton 1 to improve the heat dissipation performance of the mounting structure. This is particularly important for electronic devices that require high power output or long-term operation, which can effectively reduce the temperature of the PCB 2 and other elements and prolong the service life of the product.

[0044] In one embodiment, test interfaces such as test points, test sockets, or test connectors are integrated on the skeleton 1 to facilitate functional and performance testing of the installed PCB board 2. This design can simplify the testing process, improve testing efficiency, and help identify and resolve potential problems in a timely manner.

[0045] In one embodiment, a smart monitoring and feedback system is introduced in the connection structure, with sensors, controllers, and actuators added to monitor the operating state and performance parameters of the installation structure in real time. When abnormal conditions are detected, the system can automatically trigger an alarm or take protective measures to ensure the safe and stable operation of the product.

[0046] In one embodiment, electromagnetic compatibility considerations are incorporated into the design of the skeleton 1 and PCB board 2, with grounding structures, shielding layers, or filtering elements added to reduce electromagnetic interference and electromagnetic sensitivity issues. This helps ensure stable operation of the product in complex electromagnetic environments and meets the requirements of relevant standards and regulations.

[0047] In one embodiment, hot-plug functionality is integrated into the connection structure to accommodate some work environments that require frequent plugging and unplugging. By designing mutually compatible sockets and connectors, it allows the PCB board 2 to be safely inserted or removed while powered on, thereby improving the availability and maintainability of the device.

[0048] In one embodiment, waterproof and dustproof design is added, with waterproof and dustproof measures added to the design of the skeleton 1 and PCB board 2, using sealant, waterproof gasket, or dust screen, etc. to prevent water and dust from entering the interior of the installation structure. This helps protect internal components from damage and improves the reliability and durability of the product.

[0049] In one embodiment, interfaces supporting multiple communication protocols are designed on the PCB board, including but not limited to Ethernet, USB, serial communication interface, to meet the data transmission needs in different application scenarios. This helps improve the flexibility and scalability of the product to meet diverse market needs.

[0050] In one embodiment, self-diagnosis and fault warning functions are introduced into the connection structure, with built-in sensors and algorithms to monitor the operating state and performance parameters of the device in real time. Once an abnormal condition is detected, the system can automatically trigger an alarm and provide fault information to help users take timely measures to resolve the problem.

[0051] In one embodiment, safety protection measures such as overvoltage protection, overcurrent protection, and short circuit protection are integrated into the connection structure to ensure that the device is not damaged or causes a safety accident in abnormal conditions, helping to improve the safety and reliability of the product.

[0052] In the description of the utility model, need understanding is, the orientation word such as " before, after, top, bottom, left, right " " horizontal, vertical, perpendicular, horizontal " and " top, bottom " and so on indicated orientation or positional relationship usually is based on the orientation or positional relationship shown in drawing, just is for the convenience of describing the utility model and simplifying description, under the condition of not making opposite statement, these orientation words do not indicate and suggest the device or element indicated must have a particular orientation or with a particular orientation structure and operation, therefore can not be understood as the restriction of the protection scope of the utility model;The orientation word " inside, outside " refers to the inside and outside relative to the outline of each component.

[0053] The above only for the preferred embodiment of the utility model has, and does not for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A connection structure between a PCB board and a frame, characterized in that, The utility model relates to a kind of circuit board (2) and PIN needle (3) for the connection of the skeleton (1), the skeleton (1) is used to carry component, the PCB board (2) is connected to one side of the skeleton (1), for arranging circuit, PIN needle (3) is integrally L-shaped, it is connected to the skeleton (1) with the PCB board (2), for transmitting electric signal. The connection mode between the skeleton (1) and the PCB board (2) is detachable connection. The skeleton (1) is provided with positioning structure (4), and the skeleton (1) is connected with the PCB board (2) by positioning structure (4). The PCB board (2) is provided with positioning mounting hole, and the positioning structure (4) passes through the positioning mounting hole, and the skeleton (1) and the PCB board (2) are fixed together by nut near one end of the PCB board (2).

2. The PCB and skeleton connecting structure according to claim 1, characterized in that, The skeleton (1) is provided with fixed hole, and the PIN needle (3) is inserted into the fixed hole, and the lower part is stretched out of the skeleton (1) and connected with the PCB board (2).

3. The PCB and skeleton connecting structure according to claim 2, characterized in that, The connection mode between the PIN needle (3) and the PCB board (2) is welding.

4. The PCB and skeleton connecting structure according to claim 3, characterized in that, The PCB board (2) is provided with at least two through holes (21), and the PIN needle (3) is connected with the PCB board (2) by the through hole (21).

5. The PCB and skeleton connecting structure according to claim 4, characterized in that, ​ 6. The PCB and skeleton connecting structure according to claim 5, characterized in that, ​ 7. The PCB and skeleton connecting structure according to claim 5, characterized in that, ​

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