阅读说明：本技术 一种通用光学半自动反射法生产准直器装置及其生产方法 (Device and method for producing collimator by using general optical semi-automatic reflection method ) 是由 谢家海 吴玉霞 于 2020-08-06 设计创作，主要内容包括：本发明公开了一种通用光学半自动反射法生产准直器装置及其生产方法。准直器光束与反射镜平面垂直,通过自动调节反射镜的水平倾角与垂直倾角实现,而反射镜水平倾角与垂直倾角的自动调节分别由电动水平倾角调节架与电动垂直倾角调节架实现,另一端的准直器端透镜与光纤头的间距自动调节由电动水平位移调节架实现；基于嵌入式微控制器芯片作为可嵌入式开发的主控芯片,取代传统的电动调台工控机,以采样到功率损耗值作为判断依据,控制电动水平倾角调节架、电动垂直倾角调节架,电动水平位移调节架三者的自动调节过程。最终实现反射法调节准直器要求,减少人工工作量,降低对人工技巧的依赖,实现一致性、稳定性、高效性的批量生产。(The invention discloses a device for producing a collimator by a general optical semi-automatic reflection method and a production method thereof. The light beam of the collimator is vertical to the plane of the reflector and is realized by automatically adjusting the horizontal inclination angle and the vertical inclination angle of the reflector, the automatic adjustment of the horizontal inclination angle and the vertical inclination angle of the reflector is realized by an electric horizontal inclination angle adjusting frame and an electric vertical inclination angle adjusting frame respectively, and the automatic adjustment of the distance between the lens at the end of the collimator at the other end and the optical fiber head is realized by an electric horizontal displacement adjusting frame; the embedded microcontroller chip is used as a main control chip capable of being developed in an embedded mode to replace a traditional electric debugging industrial personal computer, and the automatic adjusting process of the electric horizontal inclination angle adjusting frame, the electric vertical inclination angle adjusting frame and the electric horizontal displacement adjusting frame is controlled by taking a sampled power loss value as a judgment basis. Finally, the requirement of adjusting the collimator by a reflection method is met, the manual workload is reduced, the dependence on manual skills is reduced, and the batch production with consistency, stability and high efficiency is realized.)

1. The utility model provides a collimater device is produced to general optics semi-automatic reflection method which characterized in that: the device comprises an upper machine set, a lower machine set, a left-hand adjusting frame set, a side collimator outer sealing glass tube fixing frame and a right-hand adjusting frame set which are sequentially arranged; the left-hand adjusting bracket group comprises an electric horizontal inclination angle adjusting bracket (1), an electric vertical inclination angle adjusting bracket (2), a reflector fixing bracket (53) and a reflector (4) fixed at the end part of the reflector fixing bracket; the reflector fixing frame (53) is fixedly arranged on the electric horizontal inclination angle adjusting frame (1); the side collimator outer sealing glass tube fixing frame comprises a side clamp support frame (62) and an outer sealing glass tube clamping clamp (71) fixedly arranged on the side clamp support frame; the outer sealing glass tube clamping clamp (71) is used for fixing an outer sealing glass tube of the collimator; the right-hand adjusting bracket group comprises an electric horizontal displacement adjusting bracket (3); an optical fiber fixing frame (52) is fixedly arranged above the electric horizontal displacement adjusting frame (3), and the bottom of the electric horizontal displacement adjusting frame is connected with a supporting frame (61); the reflector (4) and the optical fiber fixing frame (52) are respectively arranged at two ends of the outer sealing glass tube clamping clamp (71); the upper machine set consists of a computer host C2, a computer display X1 and input equipment; the lower machine set consists of an embedded microcontroller chip C1, a power meter module G1 and a stepping motor driver;

the electric horizontal inclination angle adjusting frame (1), the electric vertical inclination angle adjusting frame (2) and the electric horizontal displacement adjusting frame (3) are respectively driven by three stepping motor drivers, and the three stepping motor drivers are controlled by an embedded microcontroller chip C1;

the embedded microcontroller chip C1 takes the power loss value sampled by the power meter module G1 as a judgment basis, controls the stepping motor driver to adjust the electric horizontal inclination angle adjusting frame (1) and the electric vertical inclination angle adjusting frame (2) so as to enable the light beam to be vertical to the plane of the reflector (4), and automatically adjusts the electric horizontal displacement adjusting frame (3) so as to enable the minimum beam waist to be obtained on the reflector.

2. The device for producing the collimator by the universal optical semi-automatic reflection method according to claim 1, which is characterized in that: the reflecting mirror (4) is fixed on the cross point of the horizontal inclination angle central axis of the electric horizontal inclination angle adjusting frame (1) and the vertical inclination angle central axis of the electric vertical inclination angle adjusting frame (2), the horizontal inclination angle of the reflecting mirror is changed by adjusting the horizontal inclination angle of the electric horizontal inclination angle adjusting frame (1), and the vertical inclination angle of the reflecting mirror is changed by adjusting the electric vertical inclination angle adjusting frame (2).

3. The device for producing the collimator by the universal optical semi-automatic reflection method according to claim 1, which is characterized in that: the power loss value is that an optical signal is accessed into a power meter module G1 through an optical fiber; the power meter module G1 is composed of a PD photoelectric conversion module P, a logarithmic amplifier D1 and an ADC sampling module carried in an embedded microcontroller chip C1.

4. The device for producing the collimator by the universal optical semi-automatic reflection method according to claim 1, which is characterized in that: the left-hand adjusting frame group and the right-hand adjusting frame group can be interchanged and can be placed and turned in the space direction according to the requirement.

5. The device for producing the collimator by the universal optical semi-automatic reflection method according to claim 1, which is characterized in that: the input devices are a mouse S1 and a keyboard J1.

6. A production method for producing a collimator device by a general optical semi-automatic reflection method is characterized by comprising the following steps: comprises the following steps:

s1: fixing the collimator to be adjusted through an outer sealing glass tube clamping clamp (71); a lens T of the collimator to be adjusted is opposite to the reflector (4), and an optical fiber head Q is opposite to the optical fiber fixing frame (52); the optical fiber head Q is connected with two optical fibers fixed on an optical fiber fixing frame (52);

s2: one optical fiber fixed on the optical fiber fixing frame (52) is connected with the light source L1, and the other optical fiber is connected with the power meter module G1;

s3: starting automatic adjusting software on a computer host C2, clicking an adjusting starting button by a mouse, and sending an adjusting starting instruction to an embedded microcontroller chip C1;

s4: an ADC module in the embedded microcontroller chip C1 samples an amplified signal converted by the logarithmic amplifier D1 from the PD photoelectric conversion module P, and sends a sampling result to a computer host C2, and a computer display screen X1 visually displays a current optical power loss value; meanwhile, the embedded microcontroller chip C1 executes an automatic adjusting step according to the sampling result; controlling a stepping motor driver to automatically adjust an electric horizontal inclination angle adjusting frame (1) and an electric vertical inclination angle adjusting frame (2) so as to enable a light beam to be vertical to the plane of a reflector (4), and automatically adjusting an electric horizontal displacement adjusting frame (3) so as to obtain the minimum beam waist on the reflector; completing the automatic adjustment process;

s5: after the automatic adjustment is completed, the optical fiber head is manually dispensed and fixed, and the finished device is put on the shelf.

7. The method for producing a collimator device according to claim 6, further comprising: when the collimator to be adjusted in the step S1 is a single fiber collimator, the fiber head Q is connected to the coupler, and after passing through the coupler, one optical fiber is changed into two optical fibers, and then connected to two optical fibers fixed to the optical fiber fixing frame (52).

Technical Field

The invention relates to the technical field of optical fiber communication, in particular to a device for producing a collimator by a general optical semi-automatic reflection method and a production method thereof.

Background

In recent years, with the development of the global communication industry and the strong support of the country to the communication industry, the optical fiber communication industry is rapidly developed, and the demand of optical fiber communication products is increasing due to the implementation of data centers and 5G. The collimator is used as a basic component of optical fiber communication products, and the demand is increasing.

As shown in fig. 1-2, there are two types of collimators, one is a single fiber collimator connected with one optical fiber, and the other is a dual fiber collimator connected with two optical fibers; therefore, the two types of optical fibers have basically the same structure except that the number of the connected optical fibers is different, and both the two types of optical fibers consist of a lens T, an optical fiber head Q and an outer sealing glass tube F. Whether a single-fiber collimator or a dual-fiber collimator, as shown in fig. 3, a beam waist is generated when a light beam propagates, and the collimator satisfies two conditions of minimum loss when coupling: firstly, when the plane at the minimum beam waist is superposed with the plane of one half of the distance between the collimators at the two ends; the second is a symmetrical distribution at the beam propagation relative to the plane 1/2.

Based on the minimum beam waist, when the diameters of the light spots of the collimators at the two ends are adjusted to be minimum, the condition of minimum loss in coupling can be met, and therefore, a mode of producing the collimator by using a light spot method is generated. The single fiber collimator or the double fiber collimator is provided with one optical fiber connected with a light source, and a miniature camera CCD is used for detecting signals instead of a power meter; referring to fig. 4, the distance between the CCD of the miniature camera and the collimator is set to 1/2L, when the horizontal distance d between the lens T and the optical fiber head Q is changed, the gray value of the CCD pixel on the CCD of the miniature camera can be changed, and the diameter of the light spot can be approximately fitted by calculating the gray value of the CCD pixel. By comparing the sizes of the front and rear light spot diameters, a proper horizontal distance d can be found, the light spot diameter is minimum under the condition that other conditions are not changed, and then the optical fiber head is fixed on the outer sealing glass tube F through adhesive dispensing. Because the horizontal displacement is only adjusted in the dimension, the method is simple in production control, is widely used, and the spot method is automated at present.

Although the spot method is completed automatically, the price of the automatic equipment is more than 20 ten thousand yuan. The spot method is based on detecting the diameter of the spot, which is calculated by fitting the gray value of the CCD pixel, and the spot diameter has errors. Moreover, the gray value of the CCD pixel is easily changed by the influence of ambient light, and certain errors can be caused; in addition, the angle between the light beam and the CCD mirror cannot be determined by the spot method, and even if the same spot diameter is obtained, different angles are possible. The spot method cannot determine whether the minimum spot diameter is the minimum under all conditions, so the accuracy of the spot method is poor.

Based on the symmetrical distribution, a high-precision collimator production mode is generated, namely a reflection method. As shown in fig. 1 and 2, when the single-fiber collimator is produced by the reflection method, the optical power detection is performed by the coupler, so that the optical fiber is changed into two, one is connected with the light source L1, and the other is connected with the power meter or the power meter module. When the double-fiber collimator is produced by a reflection method, the optical power detection is that one optical fiber is directly connected with the light source L1, and the other optical fiber is connected with the power meter or the power meter module. As shown in fig. 5, the mirror is fixed at the left end, the distance between the collimator and the mirror is set as 1/2L during the coupling production of the collimator, and the first step is to ensure that the light beam is perpendicular to the mirror plane. When the light beam is unchanged and returns in the original path, namely the light beam is vertical to the plane of the reflector, the optical power loss value is minimum. Therefore, the light beam can be perpendicular to the plane of the reflector by continuously changing the inclination angles of the collimator in the horizontal direction and the vertical direction and simultaneously comparing the power loss values of the detection light. Secondly, changing the distance d between the optical fiber head Q and the lens T to obtain the minimum beam waist on the reflector; d, the incident angle of the light beam is slightly changed after the change, so that the horizontal inclination angle and the vertical inclination angle of the collimator need to be readjusted; repeating the above two steps until the light beam is vertical to the plane of the reflector and the beam waist on the reflector surface is minimum, obtaining the semi-finished collimator with minimum optical power loss, and then dispensing and fixing the optical fiber head on the outer sealing glass tube F to obtain the finished product. The reflection method is high in precision because the reflection method fully meets two conditions of reaching the minimum loss when the collimator is coupled. Currently, the alignment of a collimator by reflection method is a well-established process, but the automation is not completed. The collimator can be adjusted by a reflection method by manually and continuously adjusting a three-dimensional adjusting frame of a horizontal inclination angle, a vertical inclination angle and horizontal displacement until a minimum loss value is found. The process needs a certain skilled skill, and the production speed of the prior reflection method collimator is only about 150 per 1 person per 8 hours.

In order to achieve the aim of producing the collimator with high precision and high efficiency, the invention provides a device and a method for producing the collimator by a semi-automatic reflection method, wherein the cost of each set of the device is about 3 ten thousand yuan, and the manual coupling efficiency is 600/1/8 hours per man-made pipe according to the configuration of two sets of equipment per man-made pipe.

Disclosure of Invention

The invention aims to provide a device for producing a collimator by a general optical semi-automatic reflection method and a production method thereof, wherein the horizontal inclination angle and the vertical inclination angle of a reflector are adjusted by a left-end two-dimensional electric inclination angle adjusting frame, a glass tube is fixed outside the collimator in the middle, the distance between an optical fiber head and a lens is adjusted by a right-end one-dimensional electric displacement adjusting frame, a PD photoelectric conversion module P, a logarithmic amplifier D1 and an ADC (analog-to-digital converter) sampling module arranged in an embedded microcontroller chip C1 form a power meter module G1, so that the reading of an optical power loss value is realized, the production of the collimator with high speed, high efficiency and high precision is finally realized, the manual workload is reduced, the dependence on the manual skill is reduced, and the batch production of consistency, stability, high efficiency and high precision.

The invention is realized by the following modes:

the utility model provides a collimater device is produced to general optics semi-automatic reflection method which characterized in that: the device comprises an upper machine set, a lower machine set, a left-hand adjusting frame set, a side collimator outer sealing glass tube fixing frame and a right-hand adjusting frame set which are sequentially arranged; the left-hand adjusting bracket group comprises an electric horizontal inclination angle adjusting bracket, an electric vertical inclination angle adjusting bracket, a reflector fixing bracket and a reflector fixed at the end part of the reflector fixing bracket; the reflector fixing frame is fixedly arranged on the electric horizontal inclination angle adjusting frame; the side collimator outer sealing glass tube fixing frame comprises a side clamp supporting frame and an outer sealing glass tube clamping clamp fixedly arranged on the side clamp supporting frame; the outer sealing glass tube clamping clamp is used for fixing an outer sealing glass tube of the collimator; the right-hand adjusting bracket group comprises an electric horizontal displacement adjusting bracket; an optical fiber fixing frame is fixedly arranged above the electric horizontal displacement adjusting frame, and the bottom of the electric horizontal displacement adjusting frame is connected with the supporting frame; the reflector and the optical fiber fixing frame are respectively arranged at two ends of the outer sealing glass tube clamping clamp; the upper machine set consists of a computer host C2, a computer display X1 and input equipment; the lower machine set consists of an embedded microcontroller chip C1, a power meter module G1 and a stepping motor driver;

the electric horizontal inclination angle adjusting frame, the electric vertical inclination angle adjusting frame and the electric horizontal displacement adjusting frame are respectively driven by three stepping motor drivers, and the three stepping motor drivers are controlled by an embedded microcontroller chip C1;

the embedded microcontroller chip C1 takes the power loss value sampled by the power meter module G1 as a judgment basis, controls the stepping motor driver to automatically adjust the electric horizontal inclination angle adjusting frame and the electric vertical inclination angle adjusting frame so as to enable the light beam to be vertical to the plane of the reflector, and automatically adjusts the electric horizontal displacement adjusting frame so as to enable the minimum beam waist to be obtained on the reflector.

Furthermore, the reflector is fixed on a cross point of a horizontal inclination axis of the electric horizontal inclination adjusting frame and a vertical inclination axis of the electric vertical inclination adjusting frame, the horizontal inclination of the reflector is changed by adjusting the horizontal inclination of the electric horizontal inclination adjusting frame, and the vertical inclination of the reflector is changed by adjusting the electric vertical inclination adjusting frame.

Further, the power loss value is obtained by connecting an optical signal into the power meter module G1 through an optical fiber; the power meter module G1 consists of a PD photoelectric conversion module P, a logarithmic amplifier D1 and an ADC sampling module carried in an embedded microcontroller chip C1; once the embedded microcontroller chip C1 is powered on, sampling is automatically carried out at microsecond-level periodic intervals, and the requirement on the real-time performance of a sampling value in the automatic adjustment process is met;

furthermore, the left-hand adjusting frame group and the right-hand adjusting frame group can be interchanged and can be placed and turned in the space direction according to the requirement.

Further, the input devices are a mouse S1 and a keyboard J1.

A production method for producing a collimator device by a general optical semi-automatic reflection method is characterized by comprising the following steps: comprises the following steps:

s1: fixing the collimator to be adjusted by an outer sealing glass tube clamping clamp; the lens T of the collimator to be adjusted is opposite to the reflector, and the optical fiber head Q is opposite to the optical fiber fixing frame; the optical fiber head Q is connected with two optical fibers fixed on the optical fiber fixing frame;

s2: one optical fiber fixed on the optical fiber fixing frame is connected with the light source L1, and the other optical fiber is connected with the power meter module G1;

s3: starting automatic adjusting software on a computer host C2, clicking an adjusting starting button by a mouse, and sending an adjusting starting instruction to an embedded microcontroller chip C1;

s4: an ADC module in the embedded microcontroller chip C1 samples an amplified signal converted by the logarithmic amplifier D1 from the PD photoelectric conversion module P, and sends a sampling result to a computer host C2, and a computer display screen X1 visually displays a current optical power loss value; meanwhile, the embedded microcontroller chip C1 executes an automatic adjusting step according to the sampling result; controlling a stepping motor driver to automatically adjust an electric horizontal inclination angle adjusting frame 1 and an electric vertical inclination angle adjusting frame 2 so as to enable a light beam to be vertical to the plane of a reflector 4, and automatically adjusting an electric horizontal displacement adjusting frame 3 so as to obtain the minimum beam waist on the reflector; completing the automatic adjustment process;

s5: after the automatic adjustment is completed, the optical fiber head is manually dispensed and fixed, and the finished device is put on the shelf.

Further, when the collimator to be adjusted in step S1 is a single fiber collimator, the fiber head Q is connected to the coupler, and after passing through the coupler, one optical fiber is changed into two optical fibers, and then connected to two optical fibers fixed to the optical fiber fixing frame.

The electric horizontal inclination angle adjusting frame, the electric vertical inclination angle adjusting frame and the electric horizontal displacement adjusting frame are respectively driven by three stepping motor drivers, namely a stepping motor driver B1, a stepping motor driver B2 and a stepping motor driver B3, and the three stepping motor drivers are controlled by an embedded microcontroller chip C1;

furthermore, the upper unit provides simple and visual interactive operation between a user and the embedded microcontroller chip. The instructions of starting adjustment, stopping adjustment, returning to the original point and the like of the electric console are sent to the embedded microcontroller chip C1 by the host computer C2 through upper computer software, and the embedded microcontroller chip C1 carries out corresponding driving operation according to the instructions. Meanwhile, the embedded microcontroller chip C1 sends the working state of the electric adjusting frame and the sampled loss light power value to the computer host C2, so that the computer display S1 can visually display the power value to the user.

Has the advantages that:

1. the invention manually connects optical fibers, fixes the optical fibers and fixes the outer sealing glass tube; the electric horizontal inclination angle adjusting frame, the electric vertical inclination angle adjusting frame and the electric horizontal displacement adjusting frame are controlled by an embedded microcontroller chip C1 to carry out automatic adjustment so as to obtain the optimal primary shaping of the collimator; after the automatic adjustment is finished, manually dispensing and fixing the optical fiber head; and (5) putting the finished device on a shelf.

2. The left and right adjusting frame groups of the invention can be interchanged and can be placed and turned according to the requirement in the space direction.

3. According to the invention, one computer host C2 can independently display the electric regulation effect of the control and drive of one group of embedded microcontroller chips C1 and also can display the electric regulation effect of the control and drive of a plurality of groups of embedded microcontroller chips C1, so that the production space is saved and the operation is convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a single-fiber collimator.

Fig. 2 is a schematic structural diagram of a dual-fiber collimator.

Fig. 3 is a schematic diagram of light beam transmission when two-end collimators are coupled.

FIG. 4 is a schematic diagram of the adjustment of a collimator produced by a facula method.

FIG. 5 is a schematic wiring diagram of the apparatus for producing a single fiber collimator by reflection.

FIG. 6 is a schematic diagram of the wiring of the apparatus for producing the dual-fiber collimator by reflection method.

FIG. 7 is a schematic diagram of the automatic adjustment structure of the present invention.

Fig. 8 is a partially enlarged view of fig. 7.

FIG. 9 is a schematic diagram of the present invention for processing and controlling the information of each part automatically adjusted.

Fig. 10 is a schematic diagram of the operation of the present invention in the course of coarse adjustment of the automatically adjusted horizontal tilt angle.

FIG. 11 is a schematic diagram of the operation of the present invention in the course of coarse adjustment of the automatically adjusted vertical tilt angle.

FIG. 12 is a schematic diagram of the operation of the present invention in fine adjustment of automatically adjusting horizontal tilt angles.

FIG. 13 is a schematic diagram of the operation of the present invention in fine adjustment of the automatic vertical tilt angle.

FIG. 14 is a schematic diagram illustrating operation of the present invention during fine adjustment of the automatic horizontal displacement.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.