WO2018152677A1

WO2018152677A1 - Light guide apparatus and board card apparatus

Info

Publication number: WO2018152677A1
Application number: PCT/CN2017/074277
Authority: WO
Inventors: 罗屹
Original assignee: 深圳市锐明技术股份有限公司
Priority date: 2017-02-21
Filing date: 2017-02-21
Publication date: 2018-08-30
Also published as: CN107110438A; CN107110438B

Abstract

A light guide apparatus (1), comprising a transparent member and a non-transparent member (12) packaging the transparent member. The transparent member is provided with two or more light guide portions (111), and two adjacent light guide portions (111) are separated by the non-transparent member (12). The non-transparent member (12) is provided with a first through hole (121) corresponding to a light incident side of the light guide portion (111) on a one-to-one basis and a second through hole corresponding to a light emergent side of the light guide portion (111) on a one-to-one basis. The light incident side of each light guide portion (111) is located on the same side of the transparent member, and the light emergent side of each light guide portion (111) is located on the same side of the transparent member. The board card apparatus comprises a PCBA board card (2), and the PCBA board card (2) is provided with a light source (3) and a light guide apparatus (1). The light source (3) corresponds to the light incident side of the light guide portion (111) on a one-to-one basis. The apparatus has a simple structure and a convenient installation, thereby reducing light decay, avoiding crosstalk and strengthening a prompt effect.

Description

Light guiding device and card device

Technical field

[0001] The present invention belongs to the field of signal indicators, and particularly relates to a light guiding device and a card device.

Background technique

[0002] As a reminder signal for various functional states of on-board monitoring equipment, LED lights are an important part of the machine.

Most of the automotive industry uses LED components to solder to the PCBA board 2' (as shown in Figure 1). The LED assembly 1' consists of a plastic holder 11' and an LED lamp 12' (see Figure 2-3). Before soldering, the lamp foot of the LED lamp 12' should be manually bent into a 90-degree angle and then inserted into the plastic holder 1. After wave soldering, in addition to the increase in labor cost, the LED lamp 12' is still uneven. Many defects are caused by the front and back, and the LED holder 12 is fixed on the plastic holder 1 and is close to the LED light 12'吋, which is easy to affect the signal effect due to the light, and needs to be manually adjusted again before use.

technical problem

One technical problem to be solved by the present invention is to provide a light guiding device that can be easily assembled and can signal two or more light sources at close distances.

Problem solution

Technical solution

[0004] In order to solve the above technical problem, the technical solution adopted by the light guiding device of the present invention is:

[0005] The light guiding device comprises a transparent member and a non-transparent member enclosing the transparent member, wherein the transparent member is provided with two or more light guiding portions spaced apart, and the adjacent two of the light guiding portions are non-transparent a first through hole and a second through hole are disposed on the non-transparent member, the first through hole is in one-to-one correspondence with the light incident side of the light guiding portion, and the second through hole is The light-emitting sides of the light guiding portions are in one-to-one correspondence, and the light-incident side of each of the light guiding portions is located on the same side of the transparent member, and the light-emitting side of each of the light guiding portions is located on the same side of the transparent member.

[0006] Specifically, each of the light guiding portions is a bent piece, and the light incident side and the light exiting side of each of the bent parts are respectively located at two ends of the bent piece. Or

[0007] The light guiding portion located at the innermost side is a straightening member, the light incident side of the straightening member is located at one side of the straightening member, and the light emitting side of the straightening member is located at the straightening member One end of the other; the remaining light guiding portion is a bent piece, The light incident side and the light exiting side of each of the bent parts are respectively located at both ends of the bent piece.

[0008] Further, each of the light exiting sides is provided with a protrusion protruding from the non-transparent member.

[0009] Specifically, the end surface of the protrusion is a convex curved surface.

[0010] Specifically, the protrusions of each of the light guiding portions protrude from the same height of the non-transparent member.

[0011] Specifically, the non-transparent member and the transparent member are both plastic members, and the non-transparent member is integrally formed on the transparent member.

[0012] Further, a connecting member is disposed on the transparent member, and each of the light guiding portions is sequentially connected by the connecting member.

[0013] Specifically, the connecting member is a sheet-shaped member or an elongated strip-shaped member, and is away from each of the light guiding portions. [0014] Specifically, the non-transparent member is made of a reflective material.

[0015] Specifically, the outer side of the transparent member is provided with a first inclined surface, an angle between the light incident side and the first inclined surface, and an angle between the light exiting side and the first inclined surface Both are 45°.

[0016] Further, the non-transparent member is provided with a card leg, and the card leg and the first through hole are located on the same side of the non-transparent member.

Advantageous effects of the invention

Beneficial effect

[0017] The beneficial effects of the invention are: simple structure, convenient installation, no need to manually align the position of the light source, only the first through hole corresponding to the light source is set, and the light emitted by the light source enters the light guide portion from the light entrance side. After the light guiding portion guides the light in the set direction, the light guiding portion is separated from the light guiding portion to provide a signal prompting function, and the light emitted by each light source is guided by the corresponding light guiding portion, and then the light is reduced. It can also avoid two or more light sources that are close together, and enhance the function status prompt effect.

Another technical problem to be solved by the present invention is to provide a card device that is easy to assemble and that can signal two or more light sources at close range.

[0019] In order to solve the above technical problem, the technical solution adopted by the card device of the present invention is:

[0020] a card device, including a PCBA card, the PCB A card is provided with a light source, and further comprising the foregoing light guiding device, wherein the light guiding device is disposed on the PCB A card, The light source is in one-to-one correspondence with the light incident side of the light guiding portion. [0021] Specifically, the light source is located in the first through hole.

[0022] Further, the non-transparent member is provided with a card pedal, and the PCBA card is provided with a card hole, and the card leg cooperates with the card hole to realize the light guiding device and the PCBA The card is connected between the boards.

[0023] The beneficial effects of the invention are as follows: the light source is fixed on the PCBA board, and the light guiding device and the PCBA board are fixed, which is easy to assemble, and the light guiding effect can be realized without artificially aligning the position of the light source. Brief description of the drawing

DRAWINGS

1 is a schematic structural view of a conventional card device;

2 is a schematic structural view of the LED assembly of FIG. 1;

Figure 3 is an exploded view of Figure 2;

4 is a schematic structural diagram of a light guiding device according to an embodiment of the present invention;

Figure 5 is an exploded view of Figure 4;

6 is a schematic structural diagram of a card device according to an embodiment of the present invention;

[0030] FIG. 7 is an exploded view of FIG. 6 after omitting two light guiding devices;

[0031] wherein: - LED assembly, 1 - plastic holder, 12'-LED lamp, 2'-PCBA board, 1-light guide, 11-transparent, 111-light guide, 1111-light side , 1112-light exit side, 1113-bump, 1114-first bevel, 112-connector, 12-transparent, 121-first through hole, 122-second through hole, 123-pin, 2-PCBA Board, 21-card hole, 3-light source.

Embodiments of the invention

[0032] In order to make the objects, technical solutions and advantages of the present application more clear, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the application and are not intended to be limiting.

[0033] It should be noted that when an element is referred to as being "fixed" or "in" another element, it can be directly on the other element or possibly the same. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or.

As shown in FIG. 4-5, the light guiding device 1 provided by the embodiment of the present invention includes a transparent member 11 and a non-transparent member 12 enclosing the transparent member 11. The transparent member 11 is provided with two or more light guiding portions. 111, two adjacent light guiding portions 111 The first through hole 121 and the second through hole 122 are respectively disposed on the non-transparent member 12, and the first through hole 121 is in one-to-one correspondence with the light incident side 1111 of the light guiding portion 111. The hole 122 corresponds to the light exiting side 1112 of the light guiding portion 111. The light incident side 1111 of each light guiding portion 111 is located on the same side of the transparent member 11, and the light emitting side 1112 of each light guiding portion 111 is located on the same side of the transparent member 11.

[0035] The structure is simple, the installation is convenient, and there is no need to manually align the position of the light source 3, and only the first through hole 121 is disposed corresponding to the light source 3, and the light emitted by the light source 3 enters the light guiding portion 111 from the light incident side 1111. After the light guiding unit 111 guides light in the set direction, the light guiding portion 111 is separated from the light guiding portion 111 to provide a signal presentation function, and the light emitted by each light source 3 is guided by the corresponding light guiding portion 111 and then emitted. It not only reduces the light decay, but also avoids the dimming of two or more light sources 3 that are close together, and enhances the functional state prompting effect. 6-7 illustrate an application of a light guiding device having two light guiding portions 111, an arrow A1, an arrow A2 indicating an incident direction and an outgoing direction of light emitted by one light source 3, and an arrow B1 and an arrow B2 indicating that another light source is emitted. The direction of incidence and the direction of exit of the light.

[0036] Further, as shown in FIG. 5, in the embodiment of the present application, each light guiding portion 111 may be a bending member, and the light incident side 1111 of the bending member is located at one end thereof, and the light emitting side 1112 of the bending member is provided. At the other end thereof; the light guiding portion 111 is bent, on the one hand, the light direction can be changed, the arrangement of the light guiding device 1 on the PCBA board 2 is facilitated, which is advantageous for simplifying the structure, and on the other hand, the light emitted by the light source 3 is extended. The distance traveled in the light piece avoids glare and has a better effect on the functional state.

[0037] Of course, as shown in FIG. 5, the light guiding portion 111 located at the innermost side may be a straightening member, and the light incident side 1111 of the straightening member is located at one side thereof, and the light emitting side 1112 of the straightening member is at one end thereof. The remaining light guiding portion 111 is a bending member, the light incident side 1111 of the bending member is located at one end thereof, and the light emitting side 1112 of the bending member is located at the other end thereof, such as two light guiding portions 111, and the inner light guiding portion 111 is located inside the bent portion of the outer light guiding portion 111; the structure is simpler and more compact, which is advantageous for reducing the volume of the light guiding device 1, and the light guiding portion 111 changes the light emitting direction, thereby facilitating the setting of the light guiding device 1 on the PCBA board 2. Conducive to simplifying the structure, on the other hand, the bent light guiding portion 111 prolongs the distance that the light emitted by the light source 3 propagates in the light guiding member, avoids glare, and has a better effect on the function state.

[0038] Further, as shown in FIG. 4-5, in the embodiment of the present application, the light exiting side 1112 is provided with a protrusion 1113 protruding from the non-transparent member 12. The signal is prompted by the protrusion 1113, which has a better indication effect. Preferably, the end surface of the protrusion 1113 is a convex curved surface, which is advantageous for increasing the light exit angle and further enhancing the signal prompting effect. . Preferably, the protrusions 1113 of the light guiding portions 111 protrude from the same height of the non-transparent member 12, so that the light-emitting ends of the light guiding portions 111 are coplanar and have a better display effect.

[0039] Further, in the embodiment of the present application, the non-transparent member 12 and the transparent member 11 are both plastic parts and non-transparent parts.

The 12-body is formed on the transparent member 11. Even if it is easy to process, the transparent member 11 and the non-transparent member 12 can be closely adhered to avoid light leakage, and have better light guiding effect.

[0040] Further, as shown in FIG. 5, in the embodiment of the present application, the transparent member 11 is provided with a connecting member 112, and the light guiding portions 111 are sequentially connected by a connecting member 112. The light guiding portion 111 is connected by the connecting member 112, which facilitates positioning of the light guiding portion 111, ensures the relative position of the light guiding portion 111 and the non-transparent member 12, and improves the signal prompting effect.

Further, in the embodiment of the present application, the connecting member 112 is a sheet-shaped member or an elongated strip member (as shown in FIG. 5), and is away from the light-emitting side 1112 of each light guiding portion 111. The size of the connecting member 112 reduces the influence of the connecting member 112 on the light of the adjacent light guiding portion 111. One light guiding portion 111 conducts a light guide, and the connecting member 112 only emits a small amount of light to the adjacent light guiding portion 111. This part of the weak light diffuses and reflects in the adjacent light guiding portion 111 to further reduce the attenuation, effectively avoiding interference with the display due to the light, and ensuring a good signal prompting effect. The provision of the bent connecting member 112 can further enhance the anti-glare ability.

[0042] Further, in the embodiment of the present application, the non-transparent member 12 is made of a reflective material, such as a white material, and has a reflective property, and can confine the light emitted by the light source 3 to the light guiding portion 111 to avoid light absorption. Light leakage, improve the brightness of the light.

Further, in the embodiment of the present application, the transparent member 11 or the non-transparent member 12 is provided with a reflective surface for reflecting the light incident on the light-incident side 11 11 toward the corresponding light-emitting side 1112. The setting of the reflective surface not only helps to increase the display brightness of the light-emitting side 1112, but also improves the anti-glare ability.

Further, in the embodiment of the present application, the light incident side 1111 and the light exiting side 1112 are planes, and the light incident side 1111 and the light exiting side 1112 are both at an angle of 45° with the reflective surface. After the incident light is reflected by the reflective surface, the angle is changed by 90° and then directed to the exit side of the light exiting side 1112. The light guiding device 1 automatically changes the light outgoing direction, and the assembly is convenient, and the position of the light source 3 is not required to be accurately displayed, and the display effect is good.

[0045] Further, as shown in FIG. 5, in the embodiment of the present application, the non-transparent member 12 is made of a reflective material, and the outer side of the transparent member 11 is provided with a first inclined surface 1114, and the light incident side 1111 and the first inclined surface. The angle between the angle 1114 and the angle between the light exit side 1112 and the first slope 1114 is 45°. The non-transparent member 12 is formed on the transparent member 11 The 吋, the second slanted surface of the non-transparent member 12 is also formed at a corresponding position on the inner side of the non-transparent member 12. The non-transparent member 12 is made of a reflective material, and the second slanted surface functions as the reflective surface, and no additional reflective is required. Face, making the structure more simplified. Preferably, the first inclined surface 1114 is smooth into a mirror surface, and the second inclined surface also forms a mirror surface correspondingly, thereby improving the reflection capability of the second inclined surface.

[0046] Further, as shown in FIG. 5, in the embodiment of the present application, the non-transparent member 12 is provided with a card 123, and the leg 123 and the first through hole 121 are located on the same side of the non-transparent member 12. Setting the foot 123 It is convenient to use the 导1 to fix the light guiding device 1 to the PCBA board 2 where the light source 3 is located, simplifying the assembly and facilitating the reuse and replacement of the light guiding device 1.

As shown in FIG. 6-7, the card device provided by the embodiment of the present application includes a PCBA card 2, a light source 3 is disposed on the PCBA board 2, and a light guiding device is also disposed on the PCBA board 2. 1. The light guiding device 1 is disposed on the PCBA board 2, and the light source 3 is in one-to-one correspondence with the light incident side 1111 of the light guiding portion 111. The light source 3 is fixed on the PCBA board 2, and the light guiding device 1 and the PCBA board 2 are fixed, which is easy to assemble, and the light guiding effect can be realized without manually aligning the position of the light source 3. Specifically, the display colors of the two or more light sources 3 corresponding to one light guiding device 1 are different. The card device shown in FIG. 6 is provided with three light source groups 3 on the PCBA board 2, and each of the light source groups 3 includes Two light sources 3, the two light sources 3 are displayed in different colors, and three light guiding devices 1 are arranged on the PCBA board 2 for light guiding, which can avoid mutual interference of the light source 3 at a short distance, and has good structural stability and can be applied. In a vibrating environment. Preferably, the light source 3 is an LED light source, which has a better display effect.

[0048] Further, in the embodiment of the present application, the light source 3 is located in the first through hole 121. The light source 3 is located in the first through hole 121. On the one hand, the layout is reasonable and the structure is more compact. On the other hand, the light emitted by the light source 3 directly enters the corresponding light guiding portion 111, so that the connection between the light source 3 and the light guiding device 1 can be avoided. Light, guarantees good indication.

[0049] Further, in the embodiment of the present application, the card pin 123 is provided, and the PCBA card 2 is provided with a card hole 21, and the card pin 123 cooperates with the card hole 21 to implement the light guiding device 1 and the PCBA card 2 The card is connected. The light guiding device 1 and the light source 3 are automatically positioned by the engagement of the card foot 123 with the card hole 21, which is easy to assemble.

Specifically, in the embodiment of the present application, the light-emitting ends of the light guiding portions 111 are coplanar, and the distance from the plane to the PCBA board 2 is equal, which is advantageous for enhancing the display effect of the prompt signal.

[0051] The light guiding device and the card device of the present application enhance the display effect of the prompt signal, save labor costs, improve quality, greatly improve production efficiency, and have good stability, and are particularly suitable for use in buses, school buses, and length passengers. Vehicle monitoring equipment for vehicles such as cars and freight cars.

The above description is only the preferred embodiment of the present application, and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection of the present application. Within the scope.

Claims

Claim

[Claim 1] A light guiding device, comprising: a transparent member and a non-transparent member enclosing the transparent member, wherein the transparent member is provided with two or more light guiding portions spaced apart, and two adjacent light guiding portions are disposed The first through hole and the second through hole are respectively disposed on the non-transparent member, and the first through hole is in one-to-one correspondence with the light incident side of the light guiding portion, The two through holes are in one-to-one correspondence with the light-emitting side of the light guiding portion, and the light-incident side of each of the light guiding portions is located on the same side of the transparent member, and the light-emitting side of each of the light guiding portions is located at the transparent member The same side.

[Claim 2] The light guiding device according to claim 1, wherein each of the light guiding portions is a bent piece, and the light incident side and the light exiting side of each of the bent parts are respectively located at the bending Both ends of the piece.

[Claim 3] The light guiding device according to claim 1, wherein the light guiding portion located at the innermost side is a straightening member, and the light incident side of the straightening member is located at the straightening member One side, the light exiting side of the straightening member is located at one end of the straightening member; the remaining light guiding portions are bent parts, and the light entering side and the light emitting side of each of the bending parts are respectively located at the bending Both ends of the piece.

[Claim 4] The light guiding device according to claim 1, wherein each of the light-emitting sides is provided with a protrusion protruding from the non-transparent member.

[Claim 5] The light guiding device according to claim 4, wherein the end surface of the protrusion is an outwardly convex curved surface.

[Claim 6] The light guiding device according to claim 4, wherein the protrusion of each of the light guiding portions protrudes from the non-transparent member to have the same height.

[Claim 7] The light guiding device according to claim 1, wherein the non-transparent member and the transparent member are both plastic members, and the non-transparent member is integrally formed on the transparent member.

[Claim 8] The light guiding device according to claim 7, wherein the transparent member is provided with a connecting member, and each of the light guiding portions is sequentially connected by the connecting member.

[Claim 9] The light guiding device according to claim 8, wherein the connecting member is a sheet-shaped member or an elongated strip-shaped member, and is away from a light-emitting side of each of the light guiding portions.

[Claim 10] The light guiding device according to claim 7, wherein the non-transparent member is made of a reflective material.

[Aspect 11] The light guiding device according to claim 10, wherein an outer side of the transparent member is provided The first inclined surface has an angle between the light incident side and the first inclined surface and an angle between the light exiting side and the first inclined surface is 45°.

The light guiding device according to any one of claims 1 to 11, wherein the non-transparent member is provided with a leg, and the leg and the first through hole are located at the The same non-transparent piece

[Claim 13] The card device, comprising a PCBA card, wherein the PCBA card is provided with a light source, and further comprising the light guiding device according to any one of claims 1-11, the light guiding device The device is disposed on the PCBA board, and the light source is in one-to-one correspondence with the light incident side of the light guiding portion.

[Claim 14] The card device according to claim 13, wherein the light source is located in the first through hole.

[Claim 15] The card device according to claim 13, wherein the non-transparent member is provided with a card leg, and the card leg and the first through hole are located in the same On the side, the P CB A card is provided with a card hole, and the card leg cooperates with the card hole to achieve a card connection between the light guiding device and the PCBA card.