Power supply for lamp string
By configuring digital tubes in the power supply for the light string to display the gear position and using solderless electrical connections, the problems caused by the lack of display and solder joints in the existing technology are solved. This achieves intuitive operation and stable electrical connection, extends product life, and improves user experience and product consistency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-16
- Publication Date
- 2026-04-10
AI Technical Summary
Existing power supplies for string lights lack a speed indicator function, requiring visual observation of changes in the string lights. Furthermore, the presence of solder joints can lead to environmental and health impacts, resulting in unstable product lifespan.
A power supply for string lights was designed, equipped with a digital tube for displaying the level and using a solderless electrical connection. It is connected by a rotating buckle between the battery tube and the cap, and has an internal circuit board, battery and conductive sheet. Stable electrical connection is achieved through plug slots and plug holes, and is equipped with a sealing ring and sealing sticker to improve waterproof and dustproof performance.
It achieves intuitive display of gear positions, extends product lifespan, improves user experience and product homogeneity, while reducing environmental and health risks and improving waterproof and dustproof performance.
Smart Images
Figure CN224108147U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of power supply, specifically relates to a power supply for light string. BACKGROUND
[0002] The light string has the function of adjusting atmosphere, and is usually powered by a power supply for light string similar to a mobile power supply, which has a circuit board built-in. The gear is adjusted through the gear switch on the circuit board, so that the connected light string changes state such as constant brightness, flickering, gradual change, etc. to realize the adjustment of atmosphere. The existing power supply for light string does not have a gear display function, so during the gear adjustment process, the naked eye needs to observe the changes of the light string, which cannot be directly observed on the circuit board, and there is a certain inconvenience. In addition, the existing power supply for light string has multiple welding points at multiple positions due to many parts, which will affect the environment and the health of personnel in the workshop, and the welding points may also fall off later. Due to the different proficiency of the operators in the welding, assembling and other processes, the service life of the product is also difficult to achieve uniformity. SUMMARY
[0003] In view of the above problems, the utility model provides a power supply for light string.
[0004] To achieve the above purpose, the utility model provides a power supply for light string, which comprises a battery cylinder with one end opening, a cylinder cover which can be quickly connected to the opening end of the battery cylinder, and a circuit board, a storage battery, a conductive sheet and a metal spring arranged inside the battery cylinder. After assembly, the positive electrode of the storage battery is in contact with the positive input end of the circuit board to form an electrical connection, and the negative electrode of the storage battery is in contact with the negative input end of the circuit board through the metal spring and the conductive sheet to form an electrical connection. The battery cylinder is formed with a connecting end on the side away from the cylinder cover for connecting with the power interface of the light string, and two plug-in holes for inserting the electrode sheets are formed at the connecting end. After the electrode sheets are inserted into place, they are in contact with the two electrode output ends of the circuit board to form an electrical connection.
[0005] Further, the inner wall of the battery cylinder is formed with a plug-in groove at both sides to guide the circuit board and the conductive sheet to slide into the plug-in groove for assembly.
[0006] Further, the two electrode output ends are arranged in an inwardly converging inclined state, and the electrode sheet is formed with a texture for increasing friction.
[0007] Further, the battery cylinder is further provided with a mounting hole for embedding the nixie tube, the nixie tube is tightly attached to the circuit board to realize electrical connection after being embedded in the mounting hole, the circuit board is further provided with a power switch, a gear switch and a charging interface, the power switch, the gear switch and the nixie tube are arranged on the same side of the circuit board, and the charging interface is arranged on the other side of the circuit board.
[0008] Further, the battery cylinder is further provided with a mounting hole for embedding the nixie tube, the nixie tube is tightly attached to the circuit board to realize electrical connection after being embedded in the mounting hole, the circuit board is further provided with a power switch, a gear switch and a charging interface, the power switch, the gear switch and the nixie tube are arranged on the same side of the circuit board, and the charging interface is arranged on the other side of the circuit board.
[0009] Further, the positive input end, the negative input end and the electrode output end are formed on the circuit board through a PCB metal edge wrapping process.
[0010] Further, the battery cylinder and the cylinder cover are connected in a rotating buckle mode, and a sealing ring is further arranged between the battery cylinder and the cylinder cover.
[0011] Further, the battery cylinder is further provided with a hanging rope hole.
[0012] The utility model discloses relative to prior art's beneficial effect is:
[0013] 1, the circuit board is provided with the nixie tube, can directly carry out the display of gear, and it is more convenient to use.
[0014] 2, the product has no welding point, prolongs the service life, and the homogeneity of the product is better. DRAWINGS
[0015] The drawings accompanying the specification provide further understanding of the utility model, and the schematic embodiment of the utility model and the explanation thereof are used to explain the utility model, and do not constitute improper limitation to the utility model.
[0016] Figure 1 It is a perspective view of the power supply for the lamp string involved;
[0017] Figure 2 It is a sectional view of the power supply for the lamp string involved;
[0018] Figure 3 It is the explosion of the power supply for the lamp string involved Figure 1 ;
[0019] Figure 4 It is the explosion of the power supply for the lamp string involved Figure 2 ;
[0020] Figure 5 It is a sectional view of the battery cylinder involved.
[0021] Reference signs: barrel cover (1); sealing ring (2); battery barrel (3); connecting end (31); plug hole (311); plug slot (32); mounting hole (33); hanging rope hole (34); sealing sticker (4); battery (5); battery positive electrode (51); battery negative electrode (52); metal spring (6); conductive sheet (7); gear switch (8); circuit board (9); positive input end (91); negative input end (92); electrode output end (93); power switch (10); digital tube (11); electrode sheet (12); texture (121); dustproof plug (13); charging interface (14). DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is actually illustrative rather than limiting on the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0023] It should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should also be understood that the terms "comprise" and / or "include" as used in the specification mean the presence of features, steps, operations, devices, components and / or combinations thereof.
[0024] Unless specifically stated otherwise, the relative arrangements of components and steps, numerical expressions, and numerical values set forth in the various embodiments described herein are not limiting. It should be understood that the dimensions of the various parts shown in the drawings are not necessarily to scale. Techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered as part of the description of the application. In all examples shown and discussed herein, any specific value should be interpreted as exemplary, not limiting. Thus, other examples of the exemplary embodiments can have different values. It should be noted that like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be discussed further in subsequent drawings.
[0025] As Figure 1As shown, the utility model discloses a power supply for light string, including the battery tube 3 of one end opening, the cylinder cover 1 of quick detachable connection in the open end of battery tube 3, in the embodiment, the rotary buckle mode connection between battery tube 3 and cylinder cover 1, the inner wall of cylinder cover 1 is equipped with buckle protrusion, the outer wall of the open end of battery tube 3 is equipped with the card slot (see Figure 3 ), after battery tube 3 is inserted into cylinder cover 1, rotates cylinder cover 1, makes buckle protrusion buckle to card slot, can complete the connection of battery tube 3 and cylinder cover 1. Of course also can adopt other quick detachable connection mode, for example, magnetic attraction connects, elastic buckle connection or screw connection etc. Of course still can adopt other structure's battery tube (not shown in drawing), the bottom of battery tube is closed end, and battery tube includes upper cylinder body and lower cylinder body, and the clamping structure is arranged between upper cylinder body and lower cylinder body and is connected through the clamping structure, to form battery tube.
[0026] As Figures 2 to 5 shown, in the embodiment, battery tube 3 is internally configured with circuit board 9, battery 5, conductive assembly. Circuit board 9 is formed with positive input end 91, negative input end 92 and electrode output end 93, wherein the positive input end 91 is formed at the bottom of the circuit board 9, the negative input end 92 is formed at the side, and the electrode output end 93 is formed at the top of the circuit board 9 (see Figure 2 、 3 ). In the embodiment, the conductive assembly includes a conductive sheet 7 and a metal spring 6, the metal spring 6 is in contact with the battery negative pole 52 of the battery 5, the bottom end of the conductive sheet 7 is in contact with the metal spring 6, the top end of the conductive sheet 7 is in contact with the negative input end 92 on the side of the circuit board 9, and the electrical connection between the negative input end 92 and the battery negative pole 52 is realized. In other embodiments (not shown in the figure), the conductive assembly can also be a conductive sheet in the shape of L, the upper end of the conductive sheet is also in contact with the negative input end 92 on the side of the circuit board 9, and the lower end of the conductive sheet forms a metal spring that is raised upward, the metal spring is in contact with the battery negative pole 52 of the battery 5, and the electrical connection between the negative input end 92 and the battery negative pole 52 is realized.
[0027] As Figure 2 shown, after assembly, the battery positive pole 51 of the battery 5 is in contact with the positive input end 91 of the circuit board 9 to form an electrical connection, and the battery negative pole 52 of the battery 5 is in contact with the negative input end 92 on the side of the circuit board 9 through the metal spring 6 and the conductive sheet 7 to form an electrical connection. As Figure 5 shown, the battery tube 3 is formed with a connection end 31 on the side away from the cylinder cover 1 for connecting with the power interface of the light string, and two plug-in holes 311 are formed at the connection end 31 for inserting the electrode sheets 12, the electrode sheets 12 are inserted into place and are in contact with the two electrode output ends 93 of the circuit board 9 to form an electrical connection, and the inner wall of the battery tube 3 is formed with plug-in grooves 32 at both sides to guide the circuit board 9 and the conductive sheet 7 to slide into the direction of the plug-in grooves 32 to realize assembly.
[0028] In the embodiment, the two electrode output ends 93 are arranged in a inwardly converging inclined state, and the electrode sheet 12 is formed with a texture 121 for increasing friction. In this way, the electrode sheet 12 and the electrode output end 93 are pressed by the inclined surface, and the possibility of loosening can be avoided by local elastic deformation, thereby ensuring the stability of the electrical connection at the position. In other embodiments (not shown in the drawings), the electrical connection between the electrode output end 93 and the electrode sheet 12 can also be achieved by using elastic clamping or magnetic attraction. In the elastic clamping, elastic clamps are arranged on both sides of the electrode output end 93, and the elastic clamps have a certain elastic deformation capacity. When the electrode sheet 12 is inserted, the elastic clamps clamp the electrode sheet 12, and the stability of the electrical connection is ensured by the friction and elastic pressure between the clamps and the electrode sheet 12. This connection method is simple in structure and easy to implement, and can adapt to electrode sheets 12 of different thicknesses. In the magnetic attraction, a magnetic material such as a neodymium iron boron magnet is arranged on the electrode sheet 12, and a metal sheet such as an iron sheet that can be attracted to the magnetic material is arranged at a corresponding position of the electrode output end 93. When the electrode sheet 12 approaches the electrode output end 93, the two are tightly attached due to the magnetic force, thereby achieving electrical connection.
[0029] Continuing to refer to Figures 2 to 5 In the embodiment, the battery barrel 3 is also formed with a mounting hole 33, which provides a mounting position for the nixie tube 11 and allows the nixie tube 11 to be embedded, thereby ensuring stable installation of the nixie tube 11. After the nixie tube 11 is embedded in the mounting hole 33, it is tightly attached to the circuit board 9 to achieve electrical connection, and the nixie tube 11 can directly display the gear position, so that the user can intuitively understand the working gear of the power supply and operate more conveniently. The circuit board 9 is also provided with a power switch 10, a gear switch 8, and a charging interface 14, and the power switch 10, the gear switch 8, and the nixie tube 11 are arranged on the same side of the circuit board 9, so that the user can view the display of the nixie tube 11 when operating the switches. The charging interface 14 is arranged on the other side of the circuit board 9, and the battery barrel 3 is provided with a dust plug 13 at the position of the charging interface 14. The dust plug 13 can prevent dust and foreign matter from entering the charging interface 14, thereby avoiding problems such as poor contact or short circuit caused by accumulation of foreign matter. The battery barrel 3 is also provided with a sealing sticker 4 at the position of the mounting hole 33 to achieve sealing, thereby preventing water, dust, and other impurities from entering the inside of the battery barrel through the gap between the nixie tube 11 and the mounting hole 33, and causing damage to the circuit board 9 and other electronic components. The battery barrel 3 and the barrel cover 1 are also provided with a sealing ring 2, which fills the gap between the two after they are connected, thereby preventing water from entering the inside of the battery barrel, and further enhancing the overall waterproof performance of the product. The battery barrel 3 is also formed with a rope hole 34, which can be used to pass a rope, thereby facilitating the user to carry the power supply for the light string, for example, by hanging it on a backpack, a key ring, or suspending it at a suitable position during use, thereby increasing the convenience and flexibility of use.
[0030] In the embodiment, the positive input end 91, the negative input end 92 and the electrode output end 93 on the circuit board 9 are formed on the circuit board 9 through a PCB metal edge covering process, which is a prior art content. Through the metal edge covering process, good electrical connection and conduction function are realized, for example, a path is provided for power supply positive and negative poles or signal transmission. In addition, the metal edge covering can enhance the strength of the edge of the circuit board, so that it is more wear-resistant and deformation-resistant during installation, plugging and other operations. Of course, the PCB half-hole process or conductive ink printing process can also be used to form the positive input end 91, the negative input end 92 and the electrode output end 93 on the circuit board 9.
[0031] The circuit board is provided with a number tube, which has intuitive and convenient gear display function. In actual use scene, whether it is used for indoor decoration lamp string or outdoor atmosphere creating lighting equipment, the user only needs to dial the gear switch, and the number tube can clearly present the gear state of the current lamp string, which significantly improves the user experience. The electrical connection without welding point is adopted, and the components of the power supply can be easily assembled. Since there is no risk of loose welding points, the electrical connection of the product remains stable and reliable during long-term use, thereby greatly prolonging the service life of the product and reducing the frequency of replacement or maintenance due to product failure, thereby saving the cost of the user. On the other hand, the design without welding point makes the product more standardized and standardized during production, and the manufacturing process of each product follows the same process flow, reducing the product performance fluctuation caused by the difference in welding process, thereby ensuring the good homogeneity of the product. And the sealing ring and the sealing sticker make the power supply have good waterproof and dustproof performance, and the product has high IP protection level.
[0032] In the description of the utility model, it is understood that the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" and the orientation or position relationship indicated by the orientation words are usually based on the orientation or position relationship shown in the drawings, and only for the convenience of describing the utility model and simplifying the description, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the protection scope of the utility model;The orientation words "in and out" refer to the inside and outside relative to the contour of each component.
[0033] For purposes of the description hereinafter, spatial terms, such as "above", "below", "upper", "lower", and the like, can be used with reference to the illustrated orientation of one device or feature to another device or feature, as illustrated in the figures. It will be further understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device described is turned over, and a spatial term used herein describes a device positioned above or below another device in the illustrative configuration, such term can encompass both orientations of the devices. The devices can be oriented in other ways (rotated 90 degrees or at other orientations) and the spatial terms used herein interpreted accordingly.
[0034] In addition, it needs to be explained that the use of the words "first", "second" and the like to define parts is for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, and therefore cannot be understood as limiting the protection scope of the utility model.
[0035] The preferred embodiments of the utility model are described above only, and are not used to limit the utility model, and the utility model can have various changes and changes for the skilled in the art. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A power supply for a light string, characterized by: The utility model provides a battery barrel (3) including one end opening, the barrel cover (1) of quick detachable connection in the opening end of the battery barrel (3), the battery barrel (3) is configured with circuit board (9), battery (5), conductive sheet (7), metal spring (6) inside, after assembly, the battery positive pole (51) of battery (5) and the positive pole input end (91) of circuit board (9) contact and form electric connection, the battery negative pole (52) of battery (5) is contacted with the negative pole input end (92) of the side of circuit board (9) through metal spring (6), conductive sheet (7) and forms electric connection, the connecting end (31) for forming connection with the power interface of lamp string is formed at the side away from the barrel cover (1) of battery barrel (3) and forms two electrode sheet (12) insertion plug holes (311) at the connecting end (31), the electrode sheet (12) is inserted into place and is contacted with two electrode output ends (93) of circuit board (9) and forms electric connection.
2. The power supply for a light string according to claim 1, characterized in that: The inner wall of the battery barrel (3) is formed with plug-in grooves (32) at both sides to guide the circuit board (9) and the conductive sheet (7) to slide into the direction of the plug-in grooves (32) to achieve assembly.
3. The power supply for a light string according to claim 2, characterized in that: The two electrode output ends (93) are arranged in a inwardly converging inclined state, and the electrode sheet (12) is formed with a pattern (121) for increasing friction.
4. The power supply for a light string according to claim 3, characterized in that: The battery barrel (3) is also formed with a mounting hole (33) for embedding a nixie tube (11), the nixie tube (11) is embedded in the mounting hole (33) and tightly attached to the circuit board (9) to achieve electrical connection, the circuit board (9) is also provided with a power switch (10), a gear switch (8) and a charging interface (14), the power switch (10), the gear switch (8) and the nixie tube (11) are arranged on the same side of the circuit board (9), and the charging interface (14) is arranged on the other side of the circuit board (9).
5. The power supply for a string of lights of claim 4, wherein: The battery barrel (3) is also provided with a sealing sticker (4) at the position of the mounting hole (33) to achieve sealing, and the battery barrel (3) is also provided with a dust plug (13) at the position of the charging interface (14).
6. The power supply for a string of lights of claim 5, wherein: The positive pole input end (91), the negative pole input end (92) and the electrode output end (93) are formed on the circuit board (9) by PCB metal edge processing.
7. The power supply for a string of lights of claim 6, wherein: The battery barrel (3) and the barrel cover (1) are connected in a rotating buckle mode, and the battery barrel (3) and the barrel cover (1) are also provided with a sealing ring (2).
8. The power supply for a string of lights of claim 6, wherein: The battery barrel (3) is also formed with a rope hole (34).