Light-guiding operating device for an electronic device and electronic device

CN224773784UActive Publication Date: 2026-09-18XIAMEN HONGFA ELECTROACOUSTIC CO LTD
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Patent Information

Application Number
CN202521880414.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-02
Publication Date
2026-09-18
Estimated Expiration
2035-09-02

AI Technical Summary

Technical Problem

[0003]本实用新型的目的在于提供一种电子设备的导光操作装置及电子设备,以解决现有导光按键结构因接触部和入光部的结构设计不够合理而带来的问题

Benefits of technology

[0017] 1. Configure the light guide button so that during the operation of the light guide button, the relative position between the light incident surface and the indicator light source does not shift laterally, so that the projection position of the indicator light source on the light incident surface remains unchanged, and the incident point position of the indicator light source on the light incident surface remains unchanged, preventing problems such as light energy loss or uneven brightness caused by changes in the incident point, and improving the light guiding effect of the light guide button.

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Abstract

The utility model relates to electronic equipment technical field, concretely relates to light guide operation device of electronic equipment, the light guide operation device includes light guide button and circuit board, light guide button has light guide structure, and circuit board is provided with corresponding indicating light source and button switch, light guide button includes operation and display part, light inlet part and contact part, operation and display part are used for the user operation and can show the light that exports, contact part and button switch position correspond to be used for driving button switch, light inlet part and indicating light source position correspond, make the light of indicating light source be delivered to operation and display part, in the operation process of light guide button, the relative position of light inlet surface and indicating light source does not have lateral deviation, thereby the projection position of indicating light source on light inlet surface is invariable, the incident point position of indicating light source on light inlet surface is invariable, prevent the light energy loss or the problem such as uneven brightness caused by incident point change, improve the light guide effect of light guide button.
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Description

Technical Field

[0001] This utility model relates to the field of electronic equipment technology, and specifically to a light guiding operation device for electronic equipment. Background Technology

[0002] As industrial control cabinets become increasingly functional, the number of electronic devices also increases. To optimize the layout of these numerous devices, some manufacturers have developed rail power supplies, which allow multiple electronic devices to be mounted side-by-side. To accommodate more devices on these rail power supplies, the equipment thickness must be minimized. Since the electronic devices are mounted side-by-side, their buttons should be positioned on their sides for control. Furthermore, electronic devices typically include light guides to direct light from LED sources to specific locations for illumination. In traditional electronic devices, the light guide only directs the light, while button functions usually require separate button caps, silicone pads, or mechanical switches. This separate design results in a large number of components, complex assembly processes, difficulty in further reducing device thickness, higher costs, and reliability issues due to multiple components. Therefore, some have proposed a light-guided button structure that combines the functions of the pressing and light-guide components. However, existing light-guided button structures suffer from inadequate design of the contact and light-incident areas, large size, or poor light-guiding effects, requiring further improvement. Summary of the Invention

[0003] The purpose of this invention is to provide a light-guiding operation device and an electronic device for electronic devices, so as to solve the problems caused by the unreasonable structural design of the contact part and the light-incident part in the existing light-guiding button structure.

[0004] To achieve the above objectives, the technical solution of this utility model includes:

[0005] A light-guiding operation device for an electronic device includes a light-guiding button and a circuit board. The light-guiding button has a light-guiding structure, and the circuit board is provided with a corresponding indicator light source and a push-button switch. The light-guiding button includes an operation and display section, a light-incident section, and a contact section. The operation and display section is used for user operation and can display the radiated light. The contact section corresponds to the position of the push-button switch to drive the push-button switch. The light-incident section corresponds to the position of the indicator light source, so that the light from the indicator light source is transmitted to the operation and display section. The light-incident section includes a light-incident surface. The correspondence between the light-incident section and the position of the indicator light source means that during the operation of the light-guiding button, the relative position of the light-incident surface and the indicator light source does not undergo lateral translation.

[0006] In one embodiment, the indicator light source and the push button switch are respectively disposed on the component surface of the circuit board. The light guide button includes an elongated main body, the light-incident part and the contact part protruding from the main body to one side respectively. The light-emitting side of the indicator light source and the pressing part of the push button switch are both oriented in a direction parallel to the circuit board. The main body, the light-incident part and the operation and display part are made of light guide material to form the light guide structure.

[0007] In one embodiment, the light guiding device is installed inside a housing, with the main body disposed between the inner wall of the housing and the soldering surface of the circuit board. The circuit board has positioning holes for the light-incident part and the contact part to pass through, so that the contact part corresponds to the position of the push button switch and the light-incident part corresponds to the position of the indicator light source.

[0008] In one embodiment, the surface of the contact portion facing the push-button switch has a rounded corner structure, and the light-incident portion has an arc-shaped extended curved section so that the light-incident surface of the light-incident portion faces the display light source.

[0009] In one embodiment, the electronic device is a thin structure, and the surface of the electronic device extending along its thickness direction is defined as the side surface. The board surface of the circuit board extends along the plane containing the length and width of the electronic device, such that the operation and display unit is disposed on the side surface of the electronic device.

[0010] In one embodiment, the light-guiding operating device is installed within a housing. The main body is provided with guide ribs extending along its length and limiting blocks located at the ends of the guide ribs. The guide ribs form a guiding engagement with the housing, and the limiting blocks form a limiting engagement with the housing; and / or,

[0011] The light-incident part and the contact part are each one and are arranged at intervals along the length direction of the main body, so that the light guide button has a "dagger" shaped structure.

[0012] In one embodiment, the light-incident surface is a plane perpendicular to the optical axis of the indicator light source. During the operation of the light guide button, the relative position of the light-incident surface and the indicator light source only changes along the optical axis direction. The indicator light source is an LED bead, so the projection position of the indicator light source on the light-incident surface remains unchanged.

[0013] In one embodiment, the light guide button is an integral structure; or, the light guide button is a separate structure formed by fixing multiple parts together.

[0014] The technical solution of this utility model also includes: electronic equipment, including the above-mentioned light guiding operation device.

[0015] In one embodiment, the electronic device is a circuit breaker.

[0016] The beneficial effects of this utility model include:

[0017] 1. Configure the light guide button so that during the operation of the light guide button, the relative position between the light incident surface and the indicator light source does not shift laterally, so that the projection position of the indicator light source on the light incident surface remains unchanged, and the incident point position of the indicator light source on the light incident surface remains unchanged, preventing problems such as light energy loss or uneven brightness caused by changes in the incident point, and improving the light guiding effect of the light guide button.

[0018] 2. The light-emitting side of the indicator light source and the pressing part of the button switch are both oriented in a direction parallel to the circuit board, so that the light guide button moves in a direction parallel to the circuit board. The light guide button with the "dagger" structure is arranged roughly in a direction parallel to the circuit board, which helps to reduce the thickness of the operating device, and thus helps to reduce the thickness of electronic devices, allowing more electronic devices to be installed on the rail power supply.

[0019] 3. By setting the thickness direction of the circuit board to be consistent with the thickness direction of the thin electronic device, and combining the main body of the light guide button to extend along the surface of the circuit board so that the operation and display parts are located on the side of the electronic device, the button functions are normal when the electronic device is arranged side by side on the rail power supply. It can also make full use of the length and width of the thin electronic device to fully arrange the circuit board. While reducing the thickness of the electronic device, the size of the circuit board is also guaranteed, thus ensuring the functionality of the electronic device.

[0020] 4. The main body is located between the inner wall of the housing and the soldering surface of the circuit board. The contact part and the light-incident part extend through the surface of the circuit board to the component surface of the circuit board. The thickness of the circuit board surface is used to set the light guide button, which further reduces the thickness space occupied by the light guide operation device with light guide button and circuit board, and further reduces the thickness of the electronic device.

[0021] 5. The light guide button adopts an integrated structure, which reduces the number of parts, simplifies the assembly process, and improves the operational reliability of electronic devices with this light guide button. Attached Figure Description

[0022] Figure 1 This is an exploded view of the circuit breaker according to an embodiment of this utility model.

[0023] Figure 2 This is a front view of the circuit breaker according to an embodiment of the present utility model.

[0024] Figure 3 yes Figure 2 AA sectional view.

[0025] Figure 4This is a schematic diagram showing the relative movement of the light incident surface and the indicator light source in one embodiment of this utility model.

[0026] Figure 5 This is a schematic diagram showing the relative movement of the light incident surface and the indicator light source in another embodiment of this utility model.

[0027] Figure 6 This is a perspective view of the light guide button according to an embodiment of this utility model.

[0028] Figure 7 This is a front view of the light guide button according to an embodiment of this utility model.

[0029] Figure 8 This is a front view of the light guide button from another perspective in an embodiment of this utility model.

[0030] The components include: 1 light guide button, 11 operation and display section, 12 light-incident section, 120 light-incident surface, 13 contact section, 14 main body section, 141 guide rib, 142 limiting block, 2 circuit board, 201 component surface, 202 welding surface, 203 positioning hole, 21 indicator light source, 22 button switch, and 3 housing.

[0031] 10. Circuit breakers. Detailed Implementation

[0032] To further illustrate the various embodiments, the present invention provides accompanying drawings. These drawings are part of the disclosure of the present invention and are mainly used to illustrate the embodiments, and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these drawings, those skilled in the art should be able to understand other possible implementations and the advantages of the present invention. Components in the drawings are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0033] See Figures 1 to 3As shown, this utility model discloses a light-guiding operation device for electronic devices. This light-guiding operation device is used in electronic devices. Electronic devices are composed of electronic components such as integrated circuits, transistors, and electron tubes, and function using electronic technology (including software). Common electronic devices include computers, copiers, projectors, printers, air conditioners, barcode scanners, and monitoring equipment. In this embodiment, the electronic device is a circuit breaker 10. A circuit breaker is a type of switching device. Switching devices refer to the switching devices defined in GB / T 5226.1-2019 / IEC 60204-1:2016, that is, electrical appliances used to connect or disconnect one or more circuit currents. Specific component forms can be circuit breakers, disconnecting switches, relays, contactors, etc. This embodiment uses a circuit breaker as an example for illustration. It can be understood that disconnecting switches, relays, contactors, and other electronic devices can also use the light-guiding operation device described in this utility model to integrate light-guiding and button functions, thereby simplifying electronic device components, especially reducing the thickness of thin-structure electronic devices.

[0034] The light-guiding operation device of this utility model includes a light-guiding button 1 and a circuit board 2. The light-guiding button 1 and the circuit board 2 are installed inside the housing 3 of the electronic device. The operation and display part 11 at the end of the light-guiding button 1 is provided in the housing 3 for the user to press and operate, and can display the emitted light. The light-guiding button 1 of this utility model is an integrated design that combines the light-guiding function and the button function. The light-guiding button 1 has a light-guiding structure to realize its light-guiding function. In addition to the operation and display part 11, the light-guiding button 1 also has a main body 14, a light-incident part 12, and a contact part 13. The light-incident part 12 and the contact part 13 are spaced apart along the length direction of the main body 14. The operation and display part 11 is located at the end of the main body 14. The position of the light-incident part 12 corresponds to the position of the indicator light source 21 on the circuit board 2, so that the light from the indicator light source 21 is transmitted to the operation and display part 11, causing the operation and display part 11 to emit light. The position of the contact part 13 corresponds to the position of the button switch 22 on the circuit board 1, so as to drive the button switch 22 under the pressing operation of the operation and display part 11. The light guide structure on the light guide button 1 can transmit the light from the indicator light source 21 to the operation and display unit 11 to realize the light guide function and make the operation and display unit 11 emit light. The operation and display unit 11 and the contact part 13 can drive the button switch 22 to realize the button function of the light guide button 1. Thus, the light guide function and the button function are integrated into the light guide button 1. Compared with the separate structure of the existing technology that designs the light guide function and the button function separately, the integrated structure of this utility model that integrates the light guide function and the button function is beneficial to reducing the thickness of electronic devices and can install more circuit breakers or other electronic devices on the rail power supply.

[0035] It should be noted that: a light guide structure is a structure that guides light components to transmit light to a designated position by using light reflection. Specifically, in this utility model, it means that the operation and display unit 11, the light-incident unit 12, and the main body unit 14 are made of light guide material (e.g., transparent material), and the light emitted by the indicator light source 21 is transmitted from the light-incident unit 12 to the operation and display unit 11 so that the operation and display unit 11 emits light.

[0036] See Figure 3 and Figure 4 As shown, in this embodiment, the light-incident part 12 includes a light-incident surface 120. The correspondence between the light-incident part 12 and the indicator light source 21 means that during the operation of the light guide button 1, the relative position of the light-incident surface 120 and the indicator light source 21 does not undergo lateral displacement. In this embodiment, the light-incident surface 120 is a plane, therefore, the relative position of the light-incident surface 120 and the indicator light source 21 does not undergo translational movement along the plane of the light-incident surface 120. The lateral displacement referred to in this invention refers to movement in the direction perpendicular to the optical axis of the indicator light source 21. In this embodiment, the indicator light source is an LED bead, and its optical axis direction is the same as the normal direction of the light-incident surface 120. During the operation of the light guide button 2, the relative position of the light-incident surface 120 and the indicator light source 21 only undergoes translational movement along the optical axis direction, so the projection position of the indicator light source 21 on the light-incident surface 120 remains unchanged. In this embodiment, the light-incident surface 120 is a plane. The light emitted by the indicator light source 21 is projected onto the light-incident surface to form a light spot. With the operation of the light guide button 2, the relative position between the light-incident surface 120 and the indicator light source 21 only moves along the normal direction of the light-incident surface 120. Therefore, the center of the light spot (i.e., the incident point of the indicator light source 21 on the light-incident surface 120) remains unchanged on the light-incident surface 120. The optical axis of the indicator light source 21 can always be precisely aligned with the optimal coupling area of ​​the light-incident surface 120, ensuring that the center and brightest part of the light cone are efficiently guided to the light guide button 1, avoiding edge light loss caused by light spot offset, thereby ensuring a good light guiding effect. Of course, the light-incident surface 120 is not limited to a plane. In other embodiments, the light-incident surface 120 can also be a curved structure. In this case, the light-incident surface 120 also moves in a direction perpendicular to the optical axis of the indicator light source 21.

[0037] In other embodiments, see Figure 5As shown, if the light guide button 1 is configured such that during its operation, the relative position of the light-incident surface 120 and the indicator light source 21 translates along a plane parallel to the light-incident surface 120, then with the operation of the light guide button 1, the center of the light spot (i.e., the incident point of the indicator light source 21 on the light-incident surface 120) will move on the light-incident surface 120, and the optical axis of the indicator light source 21 will deviate from the optimal coupling area of ​​the light-incident surface 120. When the deviation is large, part of the light cone may irradiate structures outside the light-incident surface 120, and this part of the light energy cannot be utilized, directly causing a decrease in brightness. Furthermore, even if the light spot is still within the range of the light-incident surface 120, but has deviated from the center of the light-incident surface 120, the light no longer enters at the optimal angle, but at a larger angle. Larger angle incident light is more prone to reflection loss (increased Fresnel loss) and scattering, reducing the light energy effectively coupled into the light guide button.

[0038] Figure 4 and Figure 5 In the diagram, the dashed line represents the light cone of the indicator light source 21, and the central axis of the light cone represents the optical axis.

[0039] In addition, see Figure 3 As shown, in order to effectively reduce the thickness of the light guiding device, the indicator light source 21 and the push-button switch 22 are respectively disposed on the component surface 201 of the circuit board 2. The light-emitting side of the indicator light source 21 and the pressing part of the push-button switch 22 are both oriented in a direction parallel to the circuit board 2. The light guiding button 1 has a "dagger" shaped structure. The main body 14 is disposed between the inner wall of the housing 3 and the soldering surface 202 of the circuit board 2. The light-incident part 12 and the contact part 13 of the main body 14 protrude from the main body 14 to one side and pass through the positioning hole 203 opened on the circuit board 2, so that the contact part 13 corresponds to the position of the push-button switch 22, and the light-incident part 12 corresponds to the position of the indicator light source 21.

[0040] See Figure 3 , Figures 6 to 8As shown, in this embodiment, the light-guiding button 1 extends approximately along the plane of the circuit board 2. The light-incident portion 12 and the contact portion 13 extend toward the direction of the indicator light source 21 and the push-button switch 22 on the circuit board 2, respectively. The light-incident portion 12 and the contact portion 13 can be arranged by means of the thickness of the circuit board 2 (including the thickness of the board body and the height of the components on the circuit board 2), thereby controlling the size of the light-guiding button 1 in the thickness direction of the circuit board 2. Furthermore, the main body 14 is provided on the soldering surface 202 of the circuit board 2. The contact portion 13 is a cantilever structure connected to the main body 14 and passes through the board body of the circuit board 2 to correspond to the push-button switch 22 on the component surface 201 of the circuit board 2. The light-incident portion 12 is provided at the second end of the main body 14 and similarly passes through the board body of the circuit board 2 to correspond to the indicator light source 21 on the component surface 201 of the circuit board 2. In this embodiment, the light guide button 1 is configured as the T-shaped structure described above. It can transmit the light from the indicator light source 21 to the operation and display unit 11 by means of the light guide structure on the main body 14, and can also operate the control switch by means of the force transmitted by the main body 14 during the pressing of the operation and display unit 11. The structure is simple and the layout is reasonable.

[0041] More specifically, the surface of the contact portion 13 facing the push-button switch 22 has a rounded corner structure. Since the light guide 1 passes through the positioning hole 203 of the circuit board 2 during installation, it may collide with the push-button switch 22. The rounded corner structure can avoid the push-button switch 22 during installation, preventing the push-button switch 22 from shifting or even being damaged due to installation interference. The light-incident portion 12 has an arc-shaped curved section. On the one hand, it can make the light-incident surface 120 of the light-incident portion 12 face the display light source 21. On the other hand, it can make the light propagation more reasonable, ensuring that the light of the indicator light source 21 can be transmitted to the operation and display portion 11 through the hook-shaped structure formed by the combination of the light-incident portion 12, the main body portion 14 and the operation and display portion 11, and prevent light leakage at the sharp corners. On the other hand, it can also reduce the interference between the light-incident portion 12 and the circuit board 2 during installation.

[0042] In the above embodiment, the light-incident portion 12 and the contact portion 13 are arranged on the component surface 201 of the circuit board 2, and the main body portion 14 is arranged on the soldering surface 202 of the circuit board 2. The positioning hole 203 can limit the light-incident portion 12 and the contact portion 13 to prevent the light guide button 1 from falling off. The thickness of the circuit board 2 can be used to arrange the light guide button 1, further reducing the thickness of the light guide operation device. It can also separate other electronic components on the circuit board 2 from the light guide button 1 to prevent the light guide button 1 from interfering with other electronic components during movement. Of course, in other embodiments, it is also feasible to arrange the light guide button 1 entirely in the direction of the component surface 201 of the circuit board 2. In this case, it is not necessary to open the positioning hole 203 on the surface of the circuit board 2 for the light-incident portion 12 and the contact portion 13 to pass through, which simplifies the manufacturing of the circuit board.

[0043] In this embodiment, the push-button switch 22 is a micro switch. After the light-guiding button 1 is pressed until it contacts the micro switch, it can be reset using the self-resetting property of the micro switch. In this embodiment, the indicator light source 21 is an LED lamp.

[0044] It should be noted that: the component side 201 of the circuit board 2 refers to the direction in which the electronic components on the circuit board 2 are mounted, and the soldering side 202 of the circuit board 2 is the surface opposite to the component side 201, which is used for soldering and fixing the electronic components.

[0045] Because the light guide button 1 has a "dagger" shaped structure and a relatively long main body 14, undesirable displacement may occur during installation and pressing operations. This can lead to misalignment of the light-incident part 12 and the contact part 13 relative to the indicator light source 21 and the push-button switch 22. Therefore, the light guide button 1 has guide ribs 141 extending along its length on both sides of the main body 14. The guide ribs 141 form a guiding fit with the housing 3 to guide the light guide button 1 during operation and installation, improving the accuracy of the relative positions of the light-incident part 12 and the contact part 13 relative to the indicator light source 21 and the push-button switch 22. Furthermore, the main body 14 also has a limiting block 142 located at the end of the guide rib 141. The limiting block 142 forms a limiting fit with the housing 3, preventing the light guide button 1 from falling off during use and providing installation limitation. Together with the guide ribs 141, they ensure the accuracy of the pressing operation.

[0046] In this embodiment, the circuit breaker 10 has a thin structure. The surface of the circuit board 2 extends along the plane formed by the length and width of the circuit breaker 10, so that the thickness direction of the circuit board 2 is consistent with the thickness direction of the circuit breaker 10. The surface of the circuit breaker 10 extending along its thickness direction is defined as the side surface, and the operation and display unit 11 is located on the side surface of the circuit breaker 10. By setting the thickness direction of the circuit board 2 to be consistent with the thickness direction of the circuit breaker 10, the circuit board can be fully extended using the length and width directions of the circuit breaker 10. Combined with the main body 14 of the light guide button 1 extending along the surface of the circuit board 2, the operation and display unit 11 is located on the side surface of the circuit breaker 10. This ensures that the button function is normal when the circuit breaker 10 is arranged side by side on the rail power supply. It also allows the circuit board 2 to be fully extended using the length and width directions of the thin circuit breaker 10. While reducing the thickness of the circuit breaker 10, the size of the circuit board 2 is also maintained, thereby ensuring the function of the circuit breaker 10.

[0047] In this embodiment, the light-guiding button 1 is an integral structure made of light-guiding material to facilitate the formation of a light-guiding structure in the main body 14. Since the light-guiding button 1 in this embodiment is an integral structure made of light-guiding material, its operation and display part 11, light-incident part 12, contact part 13, and main body 14 are all light-guiding structures. In other embodiments, the contact part 13 is not limited to a light-guiding structure with light-guiding function. Therefore, in other embodiments, the light-guiding button 1 can be formed by fixing multiple parts together by bonding, welding, or screwing.

[0048] The light guide button 1 adopts an integrated structure, which reduces the number of parts, simplifies the assembly process, and improves the operational reliability of the circuit breaker 10 with the light guide button 1.

[0049] In the above embodiments, there is one light-incident part 12 and one contact part 13, which extend from the main body 14 toward the same side, so that the light-guiding button 1 is formed into a "dagger" shaped structure, but it is not limited to this. In other embodiments, there can be multiple contact parts 13, that is, multiple button switches 22 are provided, and multiple contact parts 13 can be pressed simultaneously by pressing the operation and display part 11; similarly, there can also be multiple light-incident parts 12, that is, multiple indicator light sources 21 are provided, and the brightness of the operation and display part 11 or the light color of the operation and display part 11 can be increased by multiple indicator light sources 21.

[0050] Although the present invention has been specifically shown and described in conjunction with preferred embodiments, those skilled in the art should understand that the remaining undescribed parts are prior art, and that all changes in form and detail made to the present invention without departing from the spirit and scope of the present invention as defined in the appended claims fall within the protection scope of the present invention.

Claims

1. A light-guiding operation device for an electronic device, comprising a light-guiding button and a circuit board, wherein the light-guiding button has a light-guiding structure, and the circuit board is provided with a corresponding indicator light source and a push-button switch, characterized in that: The light guide button includes an operation and display section, a light-incident section, and a contact section. The operation and display section is used for user operation and can display the emitted light. The contact section corresponds to the position of the button switch to drive the button switch. The light-incident section corresponds to the position of the indicator light source, so that the light from the indicator light source is transmitted to the operation and display section. The light-incident section includes a light-incident surface. The correspondence between the light-incident section and the position of the indicator light source means that during the operation of the light guide button, the relative position of the light-incident surface and the indicator light source does not shift laterally.

2. The light guiding operation device for an electronic device according to claim 1, characterized in that: The indicator light source and the push button switch are respectively disposed on the component surface of the circuit board. The light guide button includes an elongated main body, the light-incident part and the contact part protruding from the main body to one side respectively. The light-emitting side of the indicator light source and the pressing part of the push button switch are both oriented in a direction parallel to the circuit board. The main body, the light-incident part and the operation and display part are made of light guide material, thereby forming the light guide structure.

3. The light guiding operation device for an electronic device according to claim 2, characterized in that: The light guiding device is installed inside a housing. The main body is located between the inner wall of the housing and the soldering surface of the circuit board. The circuit board has positioning holes for the light-incident part and the contact part to pass through, so that the contact part corresponds to the position of the push button switch and the light-incident part corresponds to the position of the indicator light source.

4. The light guiding operation device for an electronic device according to claim 3, characterized in that: The surface of the contact portion facing the push-button switch has a rounded corner structure, and the light-incident portion has an arc-shaped extended curved section so that the light-incident surface of the light-incident portion faces the indicator light source.

5. The light guiding operation device for an electronic device according to claim 2, characterized in that: The electronic device has a thin structure, and the surface of the electronic device extending along its thickness direction is defined as the side surface. The board surface of the circuit board extends along the plane containing the length and width of the electronic device, so that the operation and display part is located on the side surface of the electronic device.

6. The light guiding operation device for an electronic device according to claim 2, characterized in that: The light-guiding device is installed inside a housing. The main body is provided with guide ribs extending along its length and limiting blocks located at the ends of the guide ribs. The guide ribs form a guiding engagement with the housing, and the limiting blocks form a limiting engagement with the housing; and / or, The light-incident part and the contact part are each one and are arranged at intervals along the length direction of the main body, so that the light guide button has a "dagger" shaped structure.

7. The light guiding operation device for an electronic device according to claim 1, characterized in that: The light-incident surface is a plane perpendicular to the optical axis of the indicator light source. During the operation of the light guide button, the relative position of the light-incident surface and the indicator light source only changes along the optical axis direction. The indicator light source is an LED lamp bead, so the projection position of the indicator light source on the light-incident surface remains unchanged.

8. The light guiding operation device for an electronic device according to claim 1, characterized in that: The light guide button is an integral structure; or, the light guide button is a separate structure formed by fixing multiple parts together.

9. An electronic device, characterized in that: Includes the light guiding operation device according to any one of claims 1-8.

10. The electronic device according to claim 9, characterized in that: The electronic device is a circuit breaker.