Plug-in mounting bus bar
By designing through-hole busbars with wide and narrow pin structures, the problems of poor soldering of through-hole busbars and poor heat dissipation of the whole machine were solved, achieving efficient soldering and excellent heat dissipation, and reducing production costs.
Patent Information
- Application Number
- CN202423052506.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Existing plug-in busbars are too tall, leading to poor soldering and inadequate heat dissipation, which particularly affects production efficiency and cost in high-power power supplies.
Design a through-hole busbar with wide and narrow pin structures, through holes on the pins and ventilation holes on the body, the pins are soldered to the PCBA board, and the ventilation holes are evenly distributed along the length to enhance solderability and improve heat dissipation.
It improves the welding effect of the busbar, reduces welding defects, lowers production costs, and at the same time improves the heat dissipation performance of the whole machine, thereby increasing production efficiency and the stability of the whole machine operation.
Smart Images
Figure CN223567045U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to busbar technical field especially relates to a plug-in busbar. BACKGROUND
[0002] With the power density of power supply product more and more big, the busbar used on PCBA board is more and more, these busbars play the dual role of bearing large current and heat dissipation. But due to the plug-in busbar itself height is higher, the volume is bigger, the soldering tin is too fast, often leads to busbar pin welding package welding, false welding etc. bad, causes the whole machine electrical property is bad. In addition, again because the busbar is too high to shield the ventilation air duct, affect the whole machine heat dissipation. That is, the plug-in busbar volume is big, the whole heat dissipation is big, the soldering tin is difficult, if the furnace increases the repair welding after the furnace, then needs to increase the artificial cost, the welding effect is not ideal, is not favorable to batch production, the busbar of high -power power supply itself height is higher, easily shields the ventilation air duct, affects the whole machine heat dissipation etc. problem.
[0003] Therefore, it is necessary to provide a plug-in busbar to solve the plug-in busbar pin welding problem and the problem of affecting the whole machine heat dissipation due to the busbar blocking wind. SUMMARY
[0004] The utility model discloses a plug-in busbar relates to power industry, plug-in busbar design and other technical field, solve this kind of busbar soldering tin difficult and affect the whole machine ventilation heat dissipation problem, it can effectively solve the technical problem involved in background art.
[0005] To achieve the above object, the technical scheme of the utility model is:
[0006] A plug-in busbar for PCBA board, the plug-in busbar includes a body, the body bottom is provided with wide pin and narrow pin, the wide pin and the narrow pin are arranged at intervals, the body is installed on the PCBA board through the wide pin and the narrow pin, the body is located above the PCBA board, the wide pin bottom is provided with a through hole one, the narrow pin top is provided with a through hole two, and the body is provided with a ventilation hole.
[0007] As a preferred improvement of the utility model: the number of wide pins and narrow pins is multiple.
[0008] As a preferred improvement of the utility model: the number of wide pins and narrow pins is multiple.
[0009] As a preferred improvement of the utility model: the through hole one is semicircular, and part or all of the through hole one is located below the PCBA board.
[0010] As a preferred improvement of the utility model: the through hole two is circular, and is located above the PCBA board.
[0011] As a preferred improvement of the utility model: the wide pin and the narrow pin are welded with the PCBA board.
[0012] As a preferred improvement of the utility model: the number of ventilation holes is multiple, and is evenly distributed along the length direction of the body.
[0013] As a preferred improvement of the utility model: the PCBA board is equipped with a fan, and the body is perpendicular to the blowing direction of the fan.
[0014] As a preferred improvement of the utility model: the length of the wide pin is greater than three times the thickness of the body, and the diameter of the through hole one is equal to the thickness of the body.
[0015] As a preferred improvement of the utility model: the ventilation hole is in the shape of a racetrack.
[0016] The utility model has the beneficial effects as follows:
[0017] Simple structure, low cost, the pin of plug-in busbar, busbar pin heat dissipation hole and busbar ventilation hole are designed, the wide pin of plug-in busbar is increased with wave half hole, small pin is increased with heat dissipation hole, the body is increased with ventilation groove hole, wave half hole increases the joint area of tin and busbar, increases the solderability, heat dissipation hole is used to slow down the problem of too fast heat conduction and heat dissipation when soldering tin of busbar pin, ventilation groove hole solves the problem of affecting the whole machine heat dissipation because of the high busbar shielding ventilation air duct, through the design of new plug-in busbar, the soldering problem of busbar pin and the problem of affecting the whole machine heat dissipation because of busbar wind shielding are solved. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor, wherein:
[0019] Figure 1 It is schematic diagram for busbar;
[0020] Figure 2 It is structural schematic diagram of plug-in busbar of the utility model;
[0021] Figure 3 It is size schematic diagram of the utility model Figure 1 ;
[0022] Figure 4 Dimensions of the utility model Figure 2
[0023] Figure 5 Dimensions of the utility model Figure 3 .
[0024] In the figure: 100 - plug-in bus bar, 110 - body, 111 - ventilation hole, 120 - wide pin, 121 - through hole one, 130 - narrow pin, 131 - through hole two, 200 - PCBA board, 300 - fan. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0026] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.
[0027] In addition, the description such as "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.
[0028] In the present application, unless otherwise specifically defined and limited, the terms "connection", "fixation" and the like should be understood broadly, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through intermediate medium; can be internal communication of two elements or interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0029] In addition, the technical solutions among various embodiments of the present application can be combined with each other, but the combination of the technical solutions should be considered not to exist and not within the protection scope of the present application on the basis that the combination of the technical solutions can be realized by the ordinary skilled in the art, and the combination of the technical solutions cannot be realized.
[0030] Please refer to Figures 1-2 As shown in the drawings, the utility model provides a plug -in busbar for PCBA board 200, plug -in busbar 100 includes body 110, the bottom of body 110 is equipped with wide pin 120 and narrow pin 130, wide pin 120 and narrow pin 130 are spaced apart, body 110 is installed on PCBA board 200 through wide pin 120 and narrow pin 130, body 110 is located above PCBA board 200, the bottom of wide pin 120 is equipped with through -hole one 121, the top of narrow pin 130 is equipped with through -hole two 131, and body 110 is equipped with ventilation hole 111. The number of wide pin 120 and narrow pin 130 is multiple, the number of through -hole one 121 on wide pin 120 is multiple, through -hole one 121 is semicircular, and part or all of through -hole one 121 is located below PCBA board 200. Through -hole two 131 is circular and located above PCBA board 200. Wide pin 120 and narrow pin 130 are welded with PCBA board 200, the number of ventilation hole 111 is multiple, and is evenly distributed along the length direction of body 110, and ventilation hole 111 is in the shape of a racetrack.
[0031] Specifically, by the new plug-in busbar design, the plug-in busbar pin welding problem and the problem of affecting the whole machine heat dissipation due to the busbar wind blocking are solved, the plug-in busbar wide pin is increased with the wave half hole, the small pin is increased with the heat dissipation through hole, and the body main body is increased with the ventilation groove hole. Compared with the conventional plug-in busbar, the busbar increases the joint area of tin and busbar, increases the weldability, effectively slows down the problem of excessive heat dissipation of busbar soldering, which causes the pin soldering to be poor when wave soldering, does not need to increase manpower for repair welding, reduces cost and increases benefit. In addition, the busbar body main body is increased with the ventilation groove hole, which solves the problem of affecting the whole machine heat dissipation due to the busbar blocking the ventilation air duct. The PCBA board 200 is provided with a fan 300, and the body 110 is perpendicular to the blowing direction of the fan 300, or can be at an angle, so that the wind can pass through the ventilation hole 111. It needs to be further explained that other components are used to achieve the above effects, which should belong to the inventive concept of the utility model, and should belong to the protection scope of the utility model.
[0032] Embodiment one
[0033] Please refer to Figures 3-5As shown, a design method of plug-in bus bar and corresponding pin pad is provided, which comprises the following steps:
[0034] 1. The bus bar is divided into wide pins (width A≥3 times the thickness T) and narrow pins (width B<3 times the thickness T).
[0035] 2. The wide pin of the bus bar refers to (width A≥3 times the thickness T), the root of the pin is designed as a semicircular hole wave, the diameter d of the semicircular hole is T, for example, the thickness T of the bus bar is 2mm (or other values), and the diameter d of the semicircular hole is 2mm (or other values); the pin increases a semicircular hole every interval C (C=thickness T of the bus bar), for example, the thickness T of the bus bar is 2mm (or other values), and the interval C in the drawing is 2mm (or other values); the number of semicircular holes is designed according to the above rules, for example, A=6mm, one semicircular hole is opened, A=10mm, two semicircular holes are opened, and A=14mm, three semicircular holes are opened.
[0036] 3. The narrow pin of the bus bar refers to (width A<3 times the thickness T), a circular through hole is designed between the top of the pin and the wide body of the bus bar, the diameter D of the circular through hole is 2mm (or other values), which is used to slow down the problem of too fast heat conduction and heat dissipation when the bus bar pin is soldered.
[0037] 4. A runway type slot hole is opened in the middle of the main body of the bus bar body to avoid shielding the fan air duct of the whole machine and is used for ventilation and heat dissipation, for example, the runway type slot hole L is 12mm (or other values), H is 4 (or other values), and the distance E between the two slot holes is 12mm (or other values).
[0038] 5. The designed plug-in bus bar is installed on the corresponding welding hole of the PCBA board, and then it can be welded.
[0039] The problem of poor pin welding caused by too fast heat dissipation of the plug-in bus bar is solved, the production efficiency is improved, and the production cost is reduced. At the same time, through the ventilation slot design of the bus bar body, the overall heat dissipation of the power supply is improved, so as to improve the operation stability of the whole machine.
[0040] Although the embodiments of the utility model have been disclosed as above, it is not limited to the application listed in the specification and the embodiments, it can be fully applied to various fields suitable for the utility model, and other modifications can be easily realized by those skilled in the art, therefore, the utility model is not limited to specific details and the drawings shown and described herein without departing from the general concept defined by the claims and the equivalent scope.
Claims
1. A plug-in busbar for use on a PCBA board (200), characterized in that: The insert busbar (100) includes a body (110). The bottom of the body (110) is provided with a wide pin (120) and a narrow pin (130). The wide pin (120) and the narrow pin (130) are spaced apart from each other. The body (110) is mounted on the PCBA board (200) through the wide pin (120) and the narrow pin (130). The body (110) is located above the PCBA board (200). The bottom of the wide pin (120) is provided with a through hole one (121), the top of the narrow pin (130) is provided with a through hole two (131), and the body (110) is provided with a ventilation hole (111).
2. The insert-type busbar according to claim 1, characterized in that: The number of the wide pins (120) and the narrow pins (130) is multiple.
3. The insert-type busbar according to claim 1, characterized in that: The number of through holes (121) on the wide pin (120) is multiple.
4. A plug-in busbar according to claim 1, characterized in that: The through hole (121) is semi-circular, and the through hole (121) is partially or entirely located below the PCBA board (200).
5. A plug-in busbar according to claim 1, characterized in that: The second through hole (131) is circular and located above the PCBA board (200).
6. A plug-in busbar according to claim 1, characterized in that: The wide pin (120) and the narrow pin (130) are soldered to the PCBA board (200).
7. A plug-in busbar according to claim 1, characterized in that: The number of ventilation holes (111) is multiple, and they are evenly distributed along the length of the body (110).
8. A plug-in busbar according to claim 1, characterized in that: The PCBA board (200) is equipped with a fan (300), and the body (110) is arranged perpendicular to the air blowing direction of the fan (300).
9. A plug-in busbar according to claim 1, characterized in that: The length of the wide pin (120) is greater than three times the thickness of the body (110), and the diameter of the through hole (121) is equal to the thickness of the body (110).
10. A plug-in busbar according to claim 1, characterized in that: The ventilation hole (111) is racetrack shaped.