CN216052288U

CN216052288U - Remote optical switch system for illumination

Info

Publication number: CN216052288U
Application number: CN202122516507.0U
Authority: CN
Inventors: 侯杰; 刘浪
Original assignee: Chongqing Yunchuang Jianglai Photoelectric Technology Co ltd
Current assignee: Chongqing Yunchuang Jianglai Photoelectric Technology Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-03-15
Anticipated expiration: 2031-10-19

Abstract

The utility model discloses a remote optical switch system for illumination, which comprises a transmitting and receiving component, an optical fiber and an optical switch, wherein the optical fiber is arranged on the transmitting and receiving component; one end of the optical fiber is provided with a transmitting and receiving component, and the other end is provided with an optical switch; the optical switch comprises a collimator, the collimator is located at one end, far away from the first tail fiber, of the optical fiber, one end of a second shell is connected with the collimator, the other end of the second shell is provided with a reflector relative to the collimator, a rotating shaft is arranged at the lower portion of the second shell, a rotating stop block is rotatably connected with the second shell through the rotating shaft, a guide pillar is arranged in the second shell, a spring, the rotating stop block and a movable sleeve column are sequentially sleeved on the guide pillar, and when the movable sleeve column is pressed, the rotating stop block rotates to shield the optical path and switch the optical path. The transmitting and receiving assembly transmits light to the far-end light switch through the optical fiber to realize switching action, the same optical fiber transmits the light back to the detector which is transmitted to the transmitting and receiving assembly to realize switching signal to control signal, and then the power supply of the illumination light source is controlled to realize the far-end illumination switch.

Description

Remote optical switch system for illumination

Technical Field

The utility model relates to the technical field of illumination, in particular to a remote optical switch system for illumination.

Background

The safety of the lighting device is important for lighting flammable and explosive places such as gas stations, oil depots, chemical material depots, dust material depots and the like. Spark of the existing lighting power supply line, switch and the like is a main cause of potential safety hazard, the power supply and the switch of the light-emitting source are far away from the lighting site and are main choices, and the general lighting lamp, the switch power supply and the circuit are close to the lamp and are a main cause of accidents. The utility model provides a function of using a photoswitch to replace an electric switch to realize a non-electric switch light source in a remote site.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a remote optical switch system for illumination, which couples light emitted by a laser diode into an optical fiber, switches the switch action by the remote single-path optical switch action on the far-end site of the optical fiber, transmits the switch action to a near-end detector by the same optical fiber, and converts the high and low levels of the detector into control signals to transmit a near-end light source to realize the switch action and realize the switch of far-end illumination.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a remote optical switch system for illumination comprises a transmitting and receiving assembly, an optical fiber and an optical switch; one end of the optical fiber is provided with a transmitting and receiving component, and the other end of the optical fiber is provided with an optical switch;

the optical switch comprises a collimator, a second shell, a rotary stop block, a spring, a guide post, a movable sleeve post, a reflector and a rotating shaft, the collimator is positioned at one end of the optical fiber far away from the transmitting and receiving assembly, one end of the second shell is connected with the collimator, the other end of the second shell is provided with a reflector opposite to the collimator, the lower part of the second shell is provided with a rotating shaft, the rotating stop block is rotatably connected with the second shell through the rotating shaft, a guide post is arranged in the second shell, a spring, a rotary stop block and a movable sleeve post are sequentially sleeved on the guide post, the spring is contacted with the lower end of the rotating stop block, the notch of the rotating stop block avoids the guide column, the movable sleeve column is contacted with the upper end of the rotating stop block, the rotating stop block is connected with the guide column in a sliding mode through the movable sleeve column, the movable sleeve column extends out of the outer surface of the second cover of the shell, and when the movable sleeve column is pressed, the rotating stop block rotates to achieve light path shielding, so that light paths are switched.

Further, the transmitting and receiving assembly comprises a laser diode, a collimating lens, a first shell, a detector lens, a beam splitter, a coupling lens and a first tail fiber, a main light hole is formed in the first shell in a penetrating mode, an auxiliary light hole communicated with the main light hole is formed in one side of the first shell, the detector is arranged in the auxiliary light hole and attached to the detector, the detector lens is arranged in the auxiliary light hole, one end of the main light hole is provided with the laser diode, the main light hole is provided with the collimating lens, the beam splitter is arranged in the main light hole, the beam splitter is inclined relative to the auxiliary light hole, one end, away from the laser diode, of the main light hole is provided with the coupling lens, one side, close to the coupling lens, of the first shell is provided with the first tail fiber, and the first tail fiber is connected with the first fiber.

Further, the collimator comprises a second tail fiber, a collimating mirror, a sleeve and a welding pipe, the welding pipe is arranged outside the sleeve, the second tail fiber is arranged inside the sleeve, one end, far away from the optical fiber, of the second tail fiber is provided with the collimating mirror, and the collimating mirror extends out of the sleeve and the welding pipe.

Further, the focal length of the collimating mirror is 1.2mm to 3mm, and the diameter of the collimating mirror is 1.0 mm to 3 mm.

Furthermore, an inclination angle is arranged on one surface, facing the collimating mirror, of the rotating stop block.

The utility model has the following advantages:

the transmitting and receiving assembly transmits light to the far-end light switch through the optical fiber to realize switching action, the same optical fiber transmits the light back to the detector which is transmitted to the transmitting and receiving assembly to realize switching signal to control signal, and then the power supply of the illumination light source is controlled to realize the far-end illumination switch. The utility model can realize that the power supply and the switch of the luminous light source are far away from the illumination field, and is safe to use.

Drawings

FIG. 1 is a schematic diagram of a remote optical switch system for illumination according to the present invention;

FIG. 2 is a schematic diagram of a transmitting and receiving module according to the present invention;

FIG. 3 is a schematic structural diagram of an optical switch according to the present invention;

FIG. 4 is a schematic view of the structure of the rotation stopper and the rotation shaft according to the present invention;

FIG. 5 is a schematic diagram of a collimator according to the present invention;

FIG. 6 is a light path diagram of the high reflectance state of the present invention;

FIG. 7 is a light path diagram of the low reflection state of the present invention;

FIG. 8 is a schematic view of an alternative embodiment of the present invention;

FIG. 9 is a schematic view of an alternative embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5: a remote optical switch system for lighting, characterized by: comprises a transmitting and receiving component 1, an optical fiber 2 and an optical switch 3; one end of the optical fiber 2 is provided with a transmitting and receiving component 1, and the other end is provided with an optical switch 3.

The transmitting and receiving assembly 1 comprises a laser diode 11, a collimating lens 12, a first housing 13, a detector 14, a detector lens 15, a beam splitter 16, a coupling lens 17 and a first pigtail 18, a main light hole 19 penetrates through the first shell 13, an auxiliary light hole 20 communicated with the main light hole 19 is formed in one side of the first shell 13, a detector 14 is arranged in the auxiliary light hole 20, a detector lens 15 is arranged in the auxiliary light hole 20 and attached to the detector 14, a laser diode 11 is arranged at one end of the main light hole 19, a collimating lens 12 is arranged in the main light hole 19 and attached to the laser diode 11, a beam splitter 16 is arranged in the main light hole 19, the beam splitter 16 is obliquely arranged relative to the auxiliary light hole 20, a coupling lens 17 is arranged at one end, away from the laser diode 11, of the main light hole 19, a first tail fiber 18 is arranged at one side, close to the coupling lens 17, of the first shell 13, the first tail fiber 18 is connected with an optical fiber 2, and one end, away from the first tail fiber 18, of the optical fiber 2 is connected with a collimator 31;

the optical switch 3 includes a collimator 31, a second housing 32, a rotary stopper 33, a spring 34, a guide post 35, a movable sleeve post 36, a reflector 37 and a rotary shaft 38, the collimator 31 is located at one end of the optical fiber 2 far from the transceiver 1, one end of the second housing 32 is connected to the collimator 31, the other end is provided with the reflector 37 opposite to the collimator 31, the lower portion of the second housing 32 is provided with the rotary shaft 38, the rotary stopper 33 is rotatably connected to the second housing 32 through the rotary shaft 38, the guide post 35 is arranged in the second housing 32, the spring 34, the rotary stopper 33 and the movable sleeve post 36 are sequentially sleeved on the guide post 35, the spring 34 is in contact with the lower end of the rotary stopper 33, the notched opening of the rotary stopper 33 avoids the guide post 35, the movable sleeve post 36 is in contact with the upper end of the rotary stopper 33, the rotary stopper 33 is slidably connected to the guide post 35 through the movable sleeve post 36, the movable sleeve post 36 extends out of the second housing 32, when the movable sleeve post 36 is pressed, the rotation stopper 33 rotates to block the optical path and switch the optical path.

The collimator 31 includes a second pigtail 311, a collimating mirror 312, a sleeve 313 and a welding pipe 314, the welding pipe 314 is arranged outside the sleeve 313, the second pigtail 311 is arranged inside the sleeve 313, the collimating mirror 312 is arranged at one end of the second pigtail 311 far away from the optical fiber 2, and the collimating mirror 312 extends out of the sleeve 313 and the welding pipe 314. The collimator 312 has a focal length of 1.2mm to 3mm and a diameter of 1.0 to 3 mm.

After the laser diode 11 is collimated by the collimating lens 12, part of the light is coupled to the optical fiber in the first pigtail 18 through the coupling lens 17 by the beam splitter 16, and then transmitted to the second pigtail 311 of the far-end optical switch through the optical fiber 2, and then collimated by the collimating mirror 312 to the reflecting mirror 37 to return to the original optical path, and the light is reflected by the beam splitter 16 to the detector lens 15 and then collected on the detector 14 to form an electrical signal, which is in a high-reflection state, as shown in fig. 6. In the optical switch 3, the rotation stopper 33 is moved to the other-position shift optical path, and since the surface is inclined, there is little coupling return light, which is a low reflection light state, as shown in fig. 7. The rotation stopper 33 rotates in the rotation shaft 38, and at the same time, the spring 34, the guide post 35, and the movable sleeve post 36 are rotated, so that the state of switching the optical path by the external mechanical action can be realized.

The rotation block 33 has an inclination angle on the side facing the collimating mirror 312, the rotation block 33 rotates around the rotation shaft 38, the rotation block 33 is in the optical path of the collimating mirror 312 and the reflecting mirror 37, and when the rotation block 33 rotates, the optical path is shielded and released.

Alternative scheme:

scheme one

Under the condition that the other technical solutions are not changed, the transmitting and receiving assembly 1 may be composed of discrete devices, namely, a pigtail LD41, a pigtail PD42 and a coupler 43, as shown in fig. 8.

Scheme two

Under the condition that the other technical solutions are not changed, the transmitting and receiving assembly 1 may use a convergent optical coupling scheme to have a single fiber and two directions, and is composed of a laser diode 51, a coupling lens 52, a detector 53, a detector lens 54, a beam splitter 55 and a tail fiber 56, as shown in fig. 9.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art, and it will be appreciated by those skilled in the art that the present invention has been made available to those skilled in the art after the filing date or priority date, and that the present invention may be implemented by those skilled in the art by applying ordinary skill in the art, without departing from the spirit and scope of the present invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A remote optical switch system for lighting, characterized by: comprises a transmitting and receiving component (1), an optical fiber (2) and an optical switch (3); one end of the optical fiber (2) is provided with a transmitting and receiving component (1), and the other end is provided with an optical switch (3);

the optical switch (3) comprises a collimator (31), a second shell (32), a rotating stop block (33), a spring (34), a guide post (35), a movable sleeve post (36), a reflector (37) and a rotating shaft (38), wherein the collimator (31) is positioned at one end, far away from the transmitting and receiving assembly (1), of the optical fiber (2), one end of the second shell (32) is connected with the collimator (31), the other end of the second shell is provided with the reflector (37) relative to the collimator (31), the lower part of the second shell (32) is provided with the rotating shaft (38), the rotating stop block (33) is rotatably connected with the second shell (32) through the rotating shaft (38), the guide post (35) is arranged in the second shell (32), the spring (34), the rotating stop block (33) and the movable sleeve post (36) are sequentially sleeved on the guide post (35), the spring (34) is in contact with the lower end of the rotating stop block (33), and the notch guide post (35) of the rotating stop block (33), the movable sleeve column (36) is in contact with the upper end of the rotary stop block (33), the rotary stop block (33) is in sliding connection with the guide column (35) through the movable sleeve column (36), the movable sleeve column (36) extends out of the outer surface of the second shell (32), and when the movable sleeve column (36) is pressed, the rotary stop block (33) rotates to shield a light path, so that the light path is switched.

2. A remote optical switch system for lighting according to claim 1, wherein: the transmitting and receiving assembly (1) comprises a laser diode (11), a collimating lens (12), a first shell (13), a detector (14), a detector lens (15), a beam splitter (16), a coupling lens (17) and a first tail fiber (18), a main light hole (19) penetrates through the first shell (13), an auxiliary light hole (20) communicated with the main light hole (19) is formed in one side of the first shell (13), the detector (14) is arranged in the auxiliary light hole (20), the detector lens (15) is arranged in the auxiliary light hole (20) and attached to the detector (14), the laser diode (11) is arranged at one end of the main light hole (19), the collimating lens (12) is arranged in the main light hole (19), the beam splitter (16) is arranged in an inclined mode relative to the auxiliary light hole (20), the laser diode (11) is arranged on the shell, the coupling lens (17) is arranged at one end, away from the laser diode (11), of the main light hole (19), a first tail fiber (18) is arranged on one side, close to the coupling lens (17), of the shell (13), and the first tail fiber (18) is connected with the optical fiber (2).

3. A remote optical switch system for lighting according to claim 1, wherein: the collimator (31) comprises a second tail fiber (311), a collimating mirror (312), a sleeve (313) and a welding pipe (314), the welding pipe (314) is arranged outside the sleeve (313), the second tail fiber (311) is arranged inside the sleeve, the collimating mirror (312) is arranged at one end, away from the optical fiber (2), of the second tail fiber (311), and the collimating mirror (312) extends out of the sleeve (313) and the welding pipe (314).

4. A remote optical switch system for illumination as defined in claim 3, wherein: the focal length of the collimating mirror (312) is 1.2mm to 3mm, and the diameter is 1.0 mm to 3 mm.

5. A remote optical switch system for lighting according to claim 2, wherein: the surface of the rotating stop block (33) facing the collimating mirror (312) is provided with an inclination angle.