Charger
By introducing a light guide into the charger, the light from the indicator light is directed to the light-transmitting hole, solving the problem of the light-transmitting hole restricting the installation position of the circuit board in existing chargers, and achieving good light transmission and a simplified circuit board installation process.
Patent Information
- Application Number
- CN202520248532.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-02-14
AI Technical Summary
The design of the light-transmitting holes in existing chargers restricts the installation position of the circuit board, causing the indicator light to not be able to pass through effectively, affecting the indication effect, and may increase the complexity of circuit board installation, wiring and connection.
A light guide is introduced into the charger to guide the light from the indicator light to the light-transmitting hole. The light guide is made of PMMA or PC material and is designed as a strip block. It is installed between the indicator light on the circuit board and the light-transmitting hole. The guiding surface is used to refract the light to enhance the light transmission effect.
This design effectively guides indicator light through the light-transmitting hole without restricting the circuit board's installation location, enhancing the indication effect and simplifying the circuit board installation and wiring process.
Smart Images

Figure CN223583855U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to a charger. BACKGROUND
[0002] The rechargeable battery is widely used in various electronic devices, which can improve the mobile portability of the electronic devices to adapt to more application scenarios. The battery is charged by the charger connected to the alternating current after the power consumption. The charger includes a shell, a plurality of battery compartments in the shell, and a circuit board provided in the shell. The circuit board is provided with a charging seat protruding into the battery compartment, and the battery is inserted into the battery compartment through the shell and connected with the charging seat for charging. In order to indicate the working state of the charger, an indicator light is usually set to prompt. The shell of the charger is provided with a light transmission hole corresponding to the indicator light for light transmission. In order to facilitate the user to observe the indication of the indicator light, the light transmission hole is usually arranged on the surface exposed by the charger, such as the top surface of the charger, so that the light can be easily seen. This limits the installation position of the circuit board provided with the indicator light, and also makes the light of the indicator light on the circuit board located in other positions in the shell cannot be effectively transmitted through the light transmission hole, affecting the indication effect of the light, or the indicator light needs to be powered by an additional circuit board, which causes the installation, wiring and connection between the circuit boards to be complex.
[0003] Therefore, it is necessary to improve the existing charger. CONTENT OF THE UTILITY MODEL
[0004] The present application provides a charger with good light transmission without limiting the installation position of the circuit board.
[0005] Specifically, the present application is realized by the following technical scheme: a charger, comprising a shell, an inner shell provided with a plurality of battery compartments and arranged in the shell, and a circuit board located between the inner shell and the shell, wherein the circuit board is provided with an indicator light, the shell is provided with a light transmission hole for the light of the indicator light to pass through, and further comprising a light guide member located between the light transmission hole of the shell and the indicator light of the circuit board and capable of guiding the light of the indicator light to the light transmission hole.
[0006] Further, the inner shell has a mounting seat for the light guide member group, the indicator light protrudes into the mounting seat in the direction towards the light guide member, and at least a part of the light guide member extends out of the mounting seat and is located below the light transmission hole.
[0007] Further, the mounting seat has a clamping block, and the light guide member has a clamping arm clamped with the clamping block.
[0008] Furthermore, the mounting base also has two opposing and spaced-apart baffles, and the fastening block is located between the two baffles and is connected to the corresponding parts of the two baffles respectively.
[0009] Furthermore, the light guide also has a light guide portion spaced apart from the holding arm, the light guide portion being located between the two baffles and partially located below the light-transmitting hole.
[0010] Furthermore, the light guide also has a gap formed between the holding arm and the light guide portion, one end of the holding arm is provided with a hook, and the holding block is inserted into the gap and latches with the hook.
[0011] Furthermore, the mounting base also has a slot formed between the two baffles for the fastening arm to pass through and engage with the fastening block.
[0012] Furthermore, the bottom of the light guide portion is provided with a guide surface that is inclined toward the light-transmitting hole, and the guide surface is located at one end of the light guide portion near the light-transmitting hole.
[0013] Furthermore, the guiding surface is inclined downward at an angle of 15° to 45° at the bottom of the light guide portion and has a rough surface.
[0014] Furthermore, the outer casing is also provided with a label covering the light-transmitting hole.
[0015] The charger of this application has a light guide between the staggered light-transmitting holes and the indicator lights, which can effectively guide the light of the indicator lights to illuminate the label covering the light-transmitting holes without restricting the installation position of the circuit board on which the indicator lights are set.
[0016] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Attached Figure Description
[0017] Figure 1 A perspective view of a charger according to one embodiment of this application;
[0018] Figure 2 for Figure 1 The image shows a partial exploded perspective view of the charger, omitting the front and rear covers.
[0019] Figure 3 for Figure 2 The diagram shows a three-dimensional assembly of the charger's inner casing, circuit board, and light guide.
[0020] Figure 4 for Figure 3 A three-dimensional assembly diagram of the inner shell and light guide shown;
[0021] Figure 5 for Figure 4 The enlarged view of the inner shell shown in the figure illustrates the structure of the mounting base;
[0022] Figure 6 for Figure 2 A perspective view of the light guide shown;
[0023] Figure 7 for Figure 1 The partial cross-sectional view of the charger shown illustrates the assembled state of the light guide component.
[0024] Explanation of reference numerals in the attached figures:
[0025] Charger 100, outer shell 1, main body 11, top plate 111, recessed part 112, light-transmitting hole 113, front cover 12, slot 121, back cover 13, label 14, inner shell 2, top wall 21, mounting base 211, baffle 212, fastening block 213, slot 214, side wall 22, rear wall 23, through groove 231, battery compartment 3, circuit board 4, indicator light 41, heat sink 42, fan 43, substrate 44, protrusion 45, light guide 5, light guide part 51, fastening arm 52, spacer 53, hook 54, guide surface 55, top surface 56. Detailed Implementation
[0026] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses, systems, devices, and methods consistent with some aspects of this application.
[0027] refer to Figure 1 and Figure 2 As shown, this application provides a charger 100 for charging a battery (not shown), which includes an outer shell 1, an inner shell 2, several battery compartments 3, and electronic components such as a circuit board 4. The outer shell 1 includes a cylindrical main body 11 with openings at the front and back, a front cover 12 fixed to the front side of the main body 11, and a rear cover 13 fixed to the rear side of the main body 11 (see figure). Figure 7 The inner shell 2 has a box-shaped structure with openings on the front and bottom sides and is fixed inside the main body 11 of the outer shell 1. The battery compartment 3 is fixed inside the inner shell 2 by screws (not shown). The front cover 12 has several slots 121. The battery compartment 3 has a box-shaped structure with an open front side and an opening (not labeled) on its front side. Each slot 121 of the front cover 12 corresponds to an opening (not labeled) of each battery compartment 3. Batteries (not shown) are inserted into each battery compartment 3 through the slots 121 and openings (not labeled). The circuit board 4 is fixed to the side of the inner shell 2 facing the rear cover 13 and is located between the inner shell 2 and the rear cover 13.
[0028] The shell 1 further comprises a label 14 in strip shape with light transmission function, which can be made of PET sticker, PMMA or PC, etc. The main body 11 has a top plate 111, and the top surface of the top plate 111 is provided with a recess 112 corresponding to the label 14, and the label 14 is embedded in the recess 112. The top plate 111 is further provided with a light transmission hole 113 continuing downward from the recess 112 and penetrating through the top plate 111. The label 14 is provided with a sticking layer (not shown) on the side facing the top plate 111, which can be stuck and embedded into the recess 112 through the sticking layer (not shown) and cover the sealed light transmission hole 113, so as to prevent external water vapor, dust, etc. from entering the inside of the shell and affecting the function of the electronic components on the circuit board 4. The circuit board 4 is provided with an indicator light 41, and the light of the indicator light 41 can pass through the light transmission hole 113 to illuminate the label 14, which will be described later.
[0029] Reference Figure 3 and Figure 4 in combination Figure 2 It is shown that the inner shell 2 is provided with a top wall 21, two opposite side walls 22 and a rear wall 23. The circuit board 4 is fixed vertically on the side of the rear wall 23 facing the rear cover 13. The rear wall 23 is provided with a plurality of through grooves 231, and one side surface of the circuit board 4 is provided with a charging seat (not shown) protruding into the battery compartment 3 through the through grooves 231, and the other side surface is provided with a heat sink 42 and a fan 43 for heat dissipation. The circuit board 4 further has a vertical base plate 44 and a protruding portion 45 protruding upward from the top edge of the base plate 44. The indicator light 41 is installed on the side of the protruding portion 45 facing the inner shell 2 and protrudes forward above the top wall 21.
[0030] The top wall 21 of the inner shell 2 is provided with a mounting seat 211 corresponding to the indicator light 41 on the upper surface facing the top plate 111, and the indicator light 41 protrudes into the mounting seat 211. The charger 100 is further provided with a light guide piece 5 with light guiding function, which can be made of PMMA or PC, etc. The light guide piece 5 is generally in strip block shape, which is fixed at the mounting seat 211 and located directly in front of the indicator light 41. At least a part of the light guide piece 5 extends out of the mounting seat 211 and is located directly below the light transmission hole 113 of the main body 11, so as to guide the light of the indicator light 41 to the light transmission hole 113 to illuminate the label 14 on the main body 11, solving the problem of illumination when the indicator light 41 is far away from the label 14.
[0031] Reference Figure 5 , Figure 6 and Figure 7As shown, the mounting seat 211 has two opposite flaps 212 and a clamping block 213 between the two flaps 212. The clamping block 213 is connected to the front bottom of the two flaps 212 respectively. The top wall 21 has a through slot 214 at the part between the two flaps 212. The indicator light 41 is located between the two flaps 212, and the flaps 212 can play a role of light collection to avoid the light of the indicator light 41 spreading to both sides.
[0032] The light guide 5 has a light guide part 51 and a clamping arm 52 connected to one end of the light guide part 51. The clamping arm 52 is located below the light guide part 51 and forms a gap 53 with the light guide part 51. One end of the clamping arm 52 is connected to the light guide part 51, and the other end is provided with a hook 54. The light guide 5 can be inserted between the two flaps 212 from back to front, at this time, the clamping block 213 of the mounting seat 211 is inserted into the gap 53 formed between the light guide part 51 and the clamping arm 52 of the light guide 5, and the hook 54 of the light guide 5 is clamped with the front end face of the clamping block 213 of the mounting seat 211 to make the light guide part 51 and the clamping arm 52 clamp the clamping block 213, and the assembly of the light guide 5 and the mounting seat 211 of the top wall 21 of the inner shell 2 is completed. The arrangement of the hook 54 can prevent the light guide 5 from being separated from the mounting seat 211 by accident, and the flaps 212 can limit the light guide part 51 in the left-right direction to avoid the light guide part 51 from shaking. The light guide part 51 extends out of the mounting seat 211, and the top surface 56 thereof facing the top plate 111 is a horizontal surface and close to the inner wall surface of the top plate 111 of the main body 11 and located below the light transmission hole 113. The slot 214 can avoid the light guide 5 to facilitate the assembly of the light guide 5 into the mounting seat 211. The end of the light guide part 51 close to the bottom of the light transmission hole 113 is provided with a guide surface 55 inclined towards the light transmission hole 113, which can guide the insertion of the light guide 5. The guide surface 55 is arranged on the bottom surface of the light guide part 51 away from the light transmission hole 113 and has an inclination angle of 15°-45° with the horizontal surface, so that the light entering the light guide 5 is refracted under the action of the guide surface 55 and emitted from the top surface 56 thereof, so that more light can pass through the light transmission hole 113 and the label 14 to enhance the indication effect. Specifically, the guide surface 55 is arranged on the bottom of the light guide part 51 in a downward inclined manner from one end away from the indicator light 41. The outer surface of the guide surface 55 can also be provided with a rough surface to strengthen the refraction of light and further enhance the indication effect.
[0033] The above is only a preferred embodiment of the present application and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A charger, comprising a housing, an inner shell having a plurality of battery compartments thereon and disposed within the housing, and a circuit board located between the inner shell and the housing, wherein the circuit board has an indicator light, and the housing has a light-transmitting hole for light from the indicator light to pass through, characterized in that: The light guide is arranged between the light-transmitting hole of the shell and the indicator lamp of the circuit board and can direct the light of the indicator lamp to the light-transmitting hole.
2. The charger of claim 1, wherein: The inner shell has a mounting seat for the light guide group, and the indicator lamp protrudes into the mounting seat in a direction towards the light guide, and at least a part of the light guide extends out of the mounting seat and is located below the light-transmitting hole.
3. The charger of claim 2, wherein: The mounting seat has a clamping block, and the light guide has a clamping arm clamped with the clamping block.
4. The charger of claim 3, wherein: The mounting seat further has two opposite and spaced apart blocking pieces, and the clamping block is located between the two blocking pieces and is connected with the corresponding parts of the two blocking pieces respectively.
5. The charger of claim 4, wherein: The light guide further has a light guide part arranged apart from the clamping arm, and the light guide part is located between the two blocking pieces and partially below the light-transmitting hole.
6. The charger of claim 5, wherein: The light guide further has a space formed between the clamping arm and the light guide part, one end of the clamping arm is provided with a hook, and the clamping block is inserted into the space and clamped with the hook.
7. The charger of claim 4, wherein: The mounting seat further has a slot formed between the two blocking pieces and through which the clamping arm passes to be clamped with the clamping block.
8. The charger of claim 5, wherein: The bottom of the light guide part is provided with a guide surface inclined towards the light-transmitting hole, and the guide surface is arranged at one end of the light guide part close to the light-transmitting hole.
9. The charger of claim 8, wherein: The guide surface is arranged at the bottom of the light guide part in a downward inclined manner at an angle of 15°-45° and is a rough surface.
10. The charger of any one of claims 1 to 9, wherein: The shell is further provided with a label covering the light-transmitting hole.