CN114459739A - Optical fiber curing light power detection device and detection method - Google Patents

Abstract

The invention provides an optical fiber curing optical power detection device and a detection method. The optical fiber curing optical power detection device includes: a box, a quartz glass tube, a light source module and a first optical power detection module; the quartz glass tube and the light source module are both arranged in the box In the body, the light source module is used to inject light into the quartz glass tube; the quartz glass tube has a first through hole, the first optical power detection module has a second through hole, the second through hole is coaxial with the first through hole, and the first The through hole and the second through hole are used for the optical fiber to pass through; one end of the first optical power detection module is attached to one end of the quartz glass tube, and is used to determine the first optical signal according to the received first optical signal conducted by the quartz glass tube. an optical power. The optical fiber curing optical power detection device of the present invention can acquire the first optical power of the first optical signal in real time while the optical fiber is curing, thereby realizing real-time detection of the overall optical power of the light source module in the box, which is conducive to ensuring the curing of the optical fiber quality.

Description

Optical fiber curing light power detection device and detection method

technical field

The invention relates to the technical field of optical fibers, and in particular, to an optical fiber curing light power detection device and a detection method.

Background technique

The optical fiber mainly includes a glass part and a coating part. The main function of the coating is to provide mechanical protection for the glass part and ensure the life of the optical fiber. Therefore, the quality of the optical fiber coating is extremely important. When the optical fiber is cured, when the curing power is too high, the coating material will be over-cured, and the coating and the glass part will adhere too tightly, making it difficult to peel off and affecting the bending performance of the optical fiber. When the curing power is too low, the coating will show incomplete curing, such as the coating is easy to fall off, easy to damage, and the surface of the coating is sticky.

The curing process of the optical fiber coating mainly adopts the ultraviolet lamp to cure, so the optical power of the ultraviolet curing lamp directly affects the coating quality of the optical fiber. The overall optical power of the curing lamp needs to be monitored during the production of the optical fiber to ensure the curing quality of the optical fiber coating.

Most of the existing UV light power detectors are designed with a flat cylindrical structure. The probe of the UV light power detector can only monitor the light power in a small range, but cannot detect the overall light power inside the curing light box.

SUMMARY OF THE INVENTION

The invention provides an optical fiber curing optical power detection device and a detection method, which are used to solve the problem that the existing optical power detection device cannot detect the overall optical power inside the curing device, resulting in poor optical fiber curing quality.

In a first aspect, the present invention provides an optical fiber curing optical power detection device, including: a box, a quartz glass tube, a light source module, and a first optical power detection module;

The quartz glass tube and the light source module are both arranged in the box, and the light source module is used to inject light into the quartz glass tube;

The quartz glass tube has a first through hole, the first optical power detection module has a second through hole, the second through hole is coaxial with the first through hole, and the first through hole is connected to the first through hole. The second through hole is used for passing through the optical fiber; one end of the first optical power detection module is attached to one end of the quartz glass tube, and is used for receiving the first light transmitted by the quartz glass tube according to the received first light. signal to determine the first optical power.

According to an optical fiber curing optical power detection device provided by the present invention, the optical fiber curing optical power detection device further comprises a cover;

The cover body is adapted to the second through hole, and the cover body is used to block the second through hole.

According to an optical fiber curing optical power detection device provided by the present invention, the optical fiber curing optical power detection device further comprises a quartz glass rod;

When the quartz glass tube is separated from the box body, the quartz glass rod is provided in the box body, and the light source module is used to inject light into the quartz glass rod.

According to an optical fiber curing optical power detection device provided by the present invention, the optical fiber curing optical power detection device further comprises a second optical power detection module;

The second optical power detection module is a solid structure, and one end of the second optical power detection module is attached to one end of the quartz glass rod, and is used for receiving the second optical power conducted by the quartz glass rod according to the received second optical power. The optical signal determines the second optical power.

According to the optical fiber curing light power detection device provided by the present invention, the quartz glass rod is cylindrical.

According to the optical fiber curing optical power detection device provided by the present invention, the optical fiber curing optical power detection device further comprises a ring-shaped fixing member;

The annular fixing member is sleeved on the part of the quartz glass tube extending to the outside of the box, and the annular fixing member is sandwiched between the top of the box and the first optical power detection module .

According to the optical fiber curing optical power detection device provided by the present invention, the optical fiber curing optical power detection device further comprises an optical power display module;

The optical power display module is connected to the first optical power detection module, and is used for displaying the first optical power value of the first optical signal.

According to the optical fiber curing light power detection device provided by the present invention, the quartz glass tube is cylindrical.

In a second aspect, the present invention provides a detection method for an optical fiber curing optical power detection device, comprising:

The quartz glass tube and the light source module are arranged in the box, the first through hole of the quartz glass tube is coaxial with the second through hole of the first optical power detection module, and one end of the first optical power detection module is connected to the quartz glass tube. One end of the glass tube fits together;

the light source module injects light into the quartz glass tube, and the optical fiber passes through the first through hole and the second through hole;

The first optical power detection module determines the first optical power according to the received first optical signal conducted by the quartz glass tube.

According to the detection method of the optical fiber curing light power detection device provided by the present invention, it further comprises:

The quartz glass rod is arranged in the box, one end of the second optical power detection module is attached to one end of the quartz glass rod, and the light source module injects light into the quartz glass rod;

The second optical power detection module determines the second optical power according to the received second optical signal conducted by the quartz glass rod.

In the optical fiber curing optical power detection device and optical power detection method provided by the invention, the quartz glass tube is located in the box, the first through hole of the quartz glass tube and the second through hole of the first optical power detection module are coaxial, and the first optical power One end face of the detection module is attached to one end face of the quartz glass tube, and the first optical power of the first optical signal can be acquired in real time while the optical fiber is curing, thereby realizing real-time detection of the overall optical power of the light source module in the box, It is beneficial to ensure the curing quality of the optical fiber.

Description of drawings

In order to explain the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are of the present invention. For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is one of the structural representations of the optical fiber curing optical power detection device provided by the present invention;

Fig. 2 is the second structural schematic diagram of the optical fiber curing optical power detection device provided by the present invention;

Fig. 3 is the flow chart of the detection method of the optical fiber curing light power detection device provided by the present invention;

Reference number:

1: Box; 2: Light source module; 3: Drawing channel; 4: Quartz glass tube; 5: Fixing part; 6: First optical power detection module; 7: Optical power display module; 8: Quartz glass rod; 9: The second optical power detection module.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention. , not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The following describes the optical fiber curing light power detection device according to the embodiment of the present invention with reference to FIG. 1 to FIG. 2 .

As shown in FIG. 1 , the optical fiber curing optical power detection device provided by the embodiment of the present invention includes: a box 1, a quartz glass tube 4, a light source module 2 and a first optical power detection module 6; the quartz glass tube 4 and the light source module 2 All are arranged in the box 1, and the light source module 2 is used to inject light into the quartz glass tube 4; the quartz glass tube 4 has a first through hole, the first optical power detection module 6 has a second through hole, and the second through hole is connected with the second through hole. The first through holes are coaxially arranged, and the first through holes and the second through holes are used for the optical fiber to pass through; one end of the first optical power detection module 6 is attached to one end of the quartz glass tube 4, and is used to The first optical signal conducted by the quartz glass tube 4 determines the first optical power.

Specifically, the shape of the box body 1 is not specifically limited, the top plate of the box body 1 is provided with an upper opening, the bottom plate of the box body 1 is provided with a lower opening, the upper opening and the lower opening are coaxially arranged, and the upper opening, the lower opening and the box body 1. A wire drawing channel 3 for fiber curing is formed inside, and the quartz glass tube 4 is fixed at the wire drawing channel 3. A fixing clip can be set inside the box body 1 to fix the quartz glass tube 4 at the wire drawing channel 3, or it can be placed in the box body. The top or bottom of 1 is provided with a fixing piece to fix the quartz glass tube 4 at the drawing channel 3 .

A first through hole is provided along the length direction of the quartz glass tube 4 , and the first through hole constitutes a curing channel for the optical fiber to pass through when the optical fiber is cured. It can be understood that the two ends of the curing channel are respectively communicated with the upper opening and the lower opening of the box body 1 . The first optical power detection module 6 has a second through hole, and the aperture size of the first through hole is the same as that of the second through hole. The first optical power detection module 6 is used for receiving the optical signal transmitted from the end face of the quartz glass tube 4, and the optical signal received by the first optical power detection module 6 is defined as the first optical signal. The first optical power detection module 6 is connected with the processing module, and the processing module processes the first optical signal, converts the first optical signal into a digital signal, a graphic signal or a sound signal, etc., and obtains a first optical signal corresponding to the first optical signal. Optical power.

The quartz glass tube 4 is made of high-purity quartz glass, which has better light transmittance. Quartz glass can reduce the energy loss of the beam during transmission. The surface of the quartz glass tube 4 may be a frosted surface or a smooth surface, and preferably the surface of the quartz glass tube 4 is a smooth surface.

The light source module 2 includes an ultraviolet lamp. It can be understood that the box body 1 is also provided with a reflector. The lamp tube of the ultraviolet lamp emits ultraviolet light, which is reflected and focused on the quartz glass tube 4 by the reflector, so as to maximize the concentrated ultraviolet light. .

When the optical fiber curing optical power detection device is in the production mode, that is, when the coated optical fiber needs to be cured, the quartz glass tube 4 is fixed at the drawing channel 3 in the box 1, and one end of the quartz glass tube 4 is located at Outside the box body 1, one end face of the first optical power detection module 6 and an end face of the quartz glass tube 4 outside the box body 1 are attached, and the aperture size of the first through hole is the same as that of the second through hole. The first through hole and the second through hole are coaxial, and the cavity enclosed by the first through hole and the second through hole constitutes the curing channel when the optical fiber is coated and cured, and the coated optical fiber passes through in turn. through the second through hole and the first through hole. While the optical fiber is being cured, the first optical power detection module 6 receives the first optical signal transmitted from the end face of the quartz glass tube 4 to obtain the first optical power of the first optical signal, and the first optical power transmitted from the quartz glass tube 4 The optical power is basically the same as the overall optical power of the light source module 2 in the box 1 .

In this way, the overall optical power of the light source module 2 in the box 1 can be detected in real time, and according to the first optical power, the light intensity of the ultraviolet lamp can be adjusted in real time to ensure that the overall optical power of the light source module 2 in the box 1 is consistent with the target optical power, Ensure the consistency of optical fiber curing and ensure the curing quality of optical fibers. The target optical power is the optical power that can make the coating obtain the best curing effect when the optical fiber is passed through the curing channel for curing.

In the embodiment of the present invention, the quartz glass tube 4 is located in the box 1, the first through hole of the quartz glass tube 4 is coaxial with the second through hole of the first optical power detection module 6, and the first optical power detection module 6 has a One end face is attached to one end face of the quartz glass tube 4, and the first optical power of the first optical signal can be accurately acquired in real time while the optical fiber is curing, thereby realizing real-time monitoring of the overall optical power of the light source module 2 in the box 1. Detection is conducive to ensuring the curing quality of the optical fiber.

In an optional embodiment, the optical fiber curing light power detection device further includes a cover body; the cover body is adapted to the second through hole, and the cover body is used to block the second through hole.

Specifically, the outer wall of the cover body is in contact with the hole wall of the second through hole. When the optical fiber curing optical power detection device is in the shutdown mode, that is, the optical fiber after coating has been completely cured, and the cover body is plugged at this time. into the second through hole, and the second through hole is blocked to prevent light in the box 1 from escaping from the second through hole.

At this time, the light source module 2 can be turned on for a period of time. During the time period when the light source module 2 is turned on, the first optical power detection module 6 can also receive the optical signal transmitted from the end face of the quartz glass tube 4, and the quartz glass tube 4 conducts the optical signal. The output optical power is basically the same as the overall optical power of the light source module 2 in the box 1, so that the detection of the optical power in the box 1 in the shutdown mode can be realized, and the light in the box 1 can be provided before the subsequent fiber curing production. power information.

In the embodiment of the present invention, after the optical fiber is cured, the second through hole is blocked by the cover, and the first optical power detection module 6 receives the optical signal transmitted from the end face of the quartz glass tube 4, which can realize the shutdown mode. Detection of the overall optical power of the light source module 2 in the box 1 .

As shown in FIG. 2 , in an optional embodiment, the optical fiber curing light power detection device further includes a quartz glass rod 8 ; when the quartz glass tube 4 is separated from the box 1 , the quartz glass rod 8 is provided in the box 1 Inside, the light source module 2 is used to inject light into the quartz glass rod 8 .

Specifically, the quartz glass rod 8 is made of high-purity quartz glass. The quartz glass rod 8 can fully absorb the light intensity of the ultraviolet light in the box 1 and play a transmission role. The surface of the quartz glass rod 8 can be a frosted surface, or It may be a smooth surface, and the surface of the quartz glass rod 8 is preferably a smooth surface.

When the optical fiber curing optical power detection device is in the shutdown mode, the first optical power detection module 6 is removed, the quartz glass tube 4 is taken out from the drawing channel 3, and the quartz glass rod 8 is fixed at the drawing channel 3. One end of 8 is located outside the box body 1, one end face of the first optical power detection module 6 is attached to one end face of the quartz glass rod 8, the cover is inserted into the second through hole, and the second through hole is sealed. Blocking. Turn on the light source module 2 for a period of time. During the time period when the light source module 2 is turned on, the first optical power detection module 6 receives the optical signal conducted by the end face of the quartz glass rod 8, and obtains the optical power corresponding to the optical signal. The rod 8 is a solid structure, and the optical power transmitted by the quartz glass rod 8 is basically the same as the overall optical power of the light source module 2 in the box 1, thereby realizing the detection of the overall optical power of the light source module 2 in the box 1 in the shutdown mode. , the optical power information in the box 1 can be provided before the subsequent fiber curing production.

As shown in FIG. 2, in an optional embodiment, the optical fiber curing optical power detection device further includes a second optical power detection module 9; the second optical power detection module 9 is a solid structure, and one end of the second optical power detection module 9 It is attached to one end of the quartz glass rod 8 , and is used to determine the second optical power according to the received second optical signal conducted by the quartz glass rod 8 .

Specifically, the second optical power detection module 9 is a solid structure, and the second optical power detection module 9 is used to receive the optical signal conducted by the quartz glass rod 8, and the optical signal received by the second optical power detection module 9 is defined as the second optical signal. light signal. The second optical power detection module 9 is connected to the processing module, and the processing module processes the second optical signal, converts the second optical signal into a digital signal, a graphic signal or a sound signal, etc., and obtains a second optical signal corresponding to the second optical signal. Optical power.

When the optical fiber curing optical power detection device is in the shutdown mode, the first optical power detection module 6 is removed, the quartz glass tube 4 is taken out from the drawing channel 3, and the quartz glass rod 8 is fixed at the drawing channel 3. One end of 8 is located outside the box body 1 , and one end face of the second optical power detection module 9 is attached to one end face of the quartz glass rod 8 . The light source module 2 is turned on for a period of time. During the time period when the light source module 2 is turned on, the second optical power detection module 9 receives the second optical signal conducted by the end face of the quartz glass rod 8, and obtains the corresponding second optical signal. For the second optical power, the quartz glass rod 8 and the second optical power detection module 9 are all solid structures, which is beneficial to improve the accuracy of the second optical signal and to accurately obtain the overall optical power of the light source module 2 in the box 1 .

In the embodiment of the present invention, when the quartz glass tube 4 is located in the box 1, one end face of the first optical power detection module 6 is attached to one end face of the quartz glass tube 4. The optical power detection module 6 accurately obtains the first optical power in real time; when the quartz glass rod 8 is located in the box 1, one end face of the second optical power detection module 9 is attached to one end face of the quartz glass rod 8, and the second optical power detection module 9 The optical power detection module 9 accurately obtains the second optical power, through the real-time detection of the overall optical power of the light source module 2 in the box 1 in the production mode and the detection of the overall optical power of the light source module 2 in the box 1 in the shutdown mode, It is beneficial to ensure the curing quality of the optical fiber.

As shown in FIG. 1 and FIG. 2 , in an optional embodiment, the optical fiber curing light power detection device further includes an annular fixing member 5; the annular fixing member 5 is sleeved on the part of the quartz glass tube 8 extending outside the box , the annular fixing member 5 is sandwiched between the top end of the box body 1 and the first optical power detection module 6 .

Specifically, the annular fixing member 5 is connected to the top plate of the box body 1. The annular fixing member 5 can be made of rubber. The annular fixing member 5 can be connected to the top plate of the box body 1 through countersunk screws. The annular fixing member 5 is provided with There are through holes, and the diameter of the through holes is adapted to the outer diameter of the quartz glass tube 4 and the outer diameter of the quartz glass rod 8 .

When the outer diameter of the quartz glass tube 4 is equal to that of the quartz glass rod 8 , the quartz glass tube 4 and the quartz glass rod 8 can be fixed to the wire drawing channel 3 by the same annular fixing member 5 . In the case where the outer diameter of the quartz glass tube 4 is not equal to the outer diameter of the quartz glass rod 8, the annular fixing member 5 includes a first annular fixing member and a second annular fixing member. The first annular fixing member A first through hole is provided, and the aperture size of the first through hole is adapted to the outer diameter of the quartz glass tube 4. The quartz glass tube 4 can be fixed at the wire drawing channel 3 through the first annular fixing member; the second annular The fixing member is provided with a second through hole, the diameter of the second through hole is matched with the outer diameter of the quartz glass rod 8 , and the quartz glass rod 8 can be fixed at the wire drawing channel 3 by the second annular fixing member.

The annular fixing member 5 is installed on the top plate of the box body 1. After the quartz glass tube 4 passes through the through hole, the end of the quartz glass tube 4 facing away from the bottom of the box body 1 is connected to the annular fixing member 5. The first optical power detection module 6 One end face of the quartz glass tube 4 is in contact with the end face of the quartz glass tube 4 away from the bottom of the box body 1, so that the detection of the optical power in the box body 1 in the production mode can be performed. The optical fiber curing optical power detection device is switched from the production mode to the shutdown mode, the first optical power detection module 6 is removed, the quartz glass tube 4 is taken out from the box 1, and the quartz glass rod 8 is inserted into the box along the upper opening of the box 1. In the body 1, one end of the quartz glass rod 8 away from the bottom of the box body 1 is connected to the fixing member 5, and then one end face of the second optical power detection module 9 is attached to the end face of the quartz glass rod 8 away from the bottom of the box body 1, by This can be used to detect the optical power in the box 1 in the shutdown mode. The annular fixing member 5 is installed on the top plate of the box body 1, which can conveniently realize the connection between the quartz glass tube 4 or the quartz glass rod 8 and the annular fixing member 5, which is beneficial to the convenience of installation and disassembly.

In the embodiment of the present invention, the annular fixing member 5 is installed on the top plate of the box body 1, the annular fixing member 5 is provided with a through hole, and the quartz glass tube 4 or the quartz glass rod 8 is connected to the annular fixing member after passing through the through hole. 5 connection, which is conducive to the convenience of installation and disassembly.

As shown in FIG. 1 and FIG. 2, in an optional embodiment, the optical fiber curing optical power detection device further includes an optical power display module 7; the optical power display module 7 is connected to the first optical power detection module 6 for displaying the first optical power detection module 6. A first optical power value of an optical signal.

Specifically, the first optical power detection module 6 and the second optical power detection module 9 are both connected to the optical power display module 7, and the first optical power detection module 6 receives the first optical signal conducted by the quartz glass tube 4, and obtains the first optical signal. The optical power display module 7 can display the first optical power value of the first optical signal, thereby accurately displaying the optical power value in the box 1 in the production mode in real time, and the operator can timely display the first optical power value according to the first optical power value. Adjust the light intensity of the UV lamp to ensure that the first optical power value is consistent with the target optical power value, ensure the consistency of fiber curing, and ensure the curing quality of the fiber. The target optical power value is the optical power value that can make the coating obtain the best curing effect when the optical fiber is passed through the curing channel for curing.

The second optical power detection module 9 receives the second optical signal conducted by the quartz glass rod 8 to obtain the second optical power, and the optical power display module 7 can display the second optical power value of the second optical signal, thereby accurately displaying Optical power value in cabinet 1 in shutdown mode.

The optical power display module 7 is used to display the first optical power value and the second optical power value. Through the first optical power value and the second optical power value, the operator can quickly adjust the light intensity of the ultraviolet lamp, so that the box body The optical power in 1 meets the needs of fiber curing.

As shown in FIG. 1 , in an optional embodiment, the quartz glass tube 4 is cylindrical.

The cross-section of the quartz glass tube 4 can be circular, quadrilateral or polygonal. Preferably, the quartz glass tube 4 is a hollow cylinder, which is easy to assemble, and is conducive to uniformly receiving the light intensity in the box 1 and the heat of the quartz glass tube 4. The distribution is uniform, which is beneficial to ensure the curing quality of the optical fiber. The two end faces of the quartz glass tube 4 are flat end faces, which are easy to fit with the end faces of the first optical power detection module 6 , and are conducive to the transmission of optical energy with the first optical power detection module 6 to ensure the detection of the first optical power. The module 6 can completely receive the first optical signal conducted by the quartz glass tube 4 .

The size of the inner diameter and the size of the wall thickness of the quartz glass tube 4 are set according to actual requirements, and no specific limitation is imposed. For example, the diameter of the upper opening set on the top plate of the box body 1 is 20-30mm, the diameter of the lower opening set on the bottom plate of the box body 1 is 20-30mm, the inner diameter of the quartz glass tube 4 is 10-20mm, and the wall thickness is 2-8mm .

Further, the outer diameter of the first optical power detection module 6 is greater than or equal to the outer diameter of the quartz glass tube 4 . The outer diameter of the first optical power detection module 6 is greater than or equal to the outer diameter of the quartz glass tube 4, and the first optical power detection module 6 can completely cover an end face of the quartz glass tube 4 away from the bottom of the box 1, and the quartz glass tube 4. An end face away from the bottom of the box body 1 is defined as the first end face of the quartz glass tube 4, and the light transmitted to the first end face of the quartz glass tube 4 can be completely received by the first optical power detection module 6, which is beneficial to the detected first end face. The accuracy of the first optical signal is further beneficial to ensure the accuracy of the first optical power value.

In the embodiment of the present invention, the quartz glass tube 4 is in the shape of a column, which is conducive to uniformly receiving the light intensity in the box 1 and is conducive to ensuring the curing quality of the optical fiber.

As shown in FIG. 2, the quartz glass rod 8 also has a columnar shape. The cross section of the quartz glass rod 8 can be circular, quadrilateral or polygonal, and the shape of the quartz glass rod 8 is preferably a cylinder, which is convenient for assembly and helps to uniformly receive the light intensity in the box 1 . The two end faces of the quartz glass rod 8 are flat end faces, which are easy to fit with the end faces of the second optical power detection module 9, which is conducive to the transmission of optical energy with the second optical power detection module 9, and ensures the detection of the second optical power. The module 9 can completely receive the second optical signal conducted by the end face of the quartz glass rod 8 .

The size of the quartz glass rod 8 is set according to actual needs. For example, the diameter of the upper opening set on the top plate of the box body 1 is 20-30 mm, the diameter of the lower opening set on the bottom plate of the box body 1 is 20-30 mm, and the diameter of the quartz glass rod 8 is 20-30 mm. For example, the diameter of the quartz glass rod 8 is 25 mm, the diameter of the second optical power detection module 9 is 30 to 40 mm, and the outer diameter of the second optical power detection module 9 is greater than or equal to the outer diameter of the quartz glass rod 8 size, the second optical power detection module 9 can completely cover an end face of the quartz glass rod 8 away from the bottom of the box 1, and an end face of the quartz glass rod 8 away from the bottom of the box 1 is defined as the first end face of the quartz glass rod 8, and the conduction The light reaching the first end face of the quartz glass rod 8 can be completely received by the second receiving end, which is beneficial to the accuracy of the detected second optical signal and further helps to ensure the accuracy of the second optical power value.

As shown in FIG. 1 and FIG. 2 , in an optional embodiment, the light source module 2 includes an ultraviolet lamp, and the ultraviolet light emitted by the ultraviolet lamp is reflected and focused on the quartz glass tube 4 by a reflector.

Specifically, the ultraviolet lamp includes a plurality of ultraviolet lamp units. The array of the plurality of ultraviolet lamp units is arranged on one side of the wire drawing channel 3. The ultraviolet light emitted by the plurality of ultraviolet lamp units is continuously reflected by the reflector, and the ultraviolet light is focused on the quartz glass. on tube 4. The closing and opening of each UV lamp unit can be individually controlled, and the light intensity in the box 1 can be adjusted by controlling the number of UV lamp units turned on.

When the optical fiber curing optical power detection device is in the production mode, the light intensity in the box 1 is adjusted by comparing the first optical power value with the target optical power value. For example, if the first optical power value is greater than the target optical power value, it can be reduced The number of UV lamp units turned on can reduce the light intensity in the cabinet 1; or the first optical power value is less than the target optical power value, you can increase the number of UV lamp units turned on to increase the light intensity in the cabinet 1, and finally make the The first optical power value is consistent with the target optical power value, which ensures the consistency of the optical power in the box 1 during the curing process of the optical fiber, and ensures the curing quality of the optical fiber.

As shown in FIG. 3 , the detection method of the optical fiber curing optical power detection device provided by the embodiment of the present invention includes:

Step 100, the quartz glass tube 4 and the light source module 2 are arranged in the box 1, the first through hole of the quartz glass tube 4 is coaxial with the second through hole of the first optical power detection module 6, and the first optical power detection module 6 One end of the quartz glass tube 4 is attached to one end;

Step 200, the light source module 2 injects light into the quartz glass tube 4, and the optical fiber passes through the first through hole and the second through hole;

Step 300 , the first optical power detection module 6 determines the first optical power according to the received first optical signal conducted by the quartz glass tube 4 .

Specifically, when the optical fiber curing optical power detection device is in the production mode, the quartz glass tube 4 is fixed at the drawing channel 3, one end of the quartz glass tube 4 is located outside the box 1, and one end face of the first optical power detection module 6 and One end face of the quartz glass tube 4 is in contact with each other, the aperture size of the first through hole and the aperture size of the second through hole are the same, the first through hole and the second through hole are coaxial, and the first through hole and the second through hole are located. The enclosed cavity constitutes a curing channel when the optical fiber is coated and cured. The light source module 2 injects light onto the quartz glass tube 4, and the coated optical fiber passes through the second through hole and the first through hole in sequence. While the optical fiber is being cured, the first optical power detection module 6 receives the first optical signal transmitted from the end face of the quartz glass tube 4 to obtain the first optical power of the first optical signal, and the optical power transmitted from the quartz glass tube 4 It is basically the same as the optical power in the box 1, thereby realizing real-time detection of the overall optical power of the light source module 2 in the box 1 during curing, which is beneficial to ensure the curing quality of the optical fiber.

In an optional embodiment, the detection method of the optical fiber curing optical power detection device provided by the embodiment of the present invention further includes:

The quartz glass rod 8 is arranged in the box body 1, one end of the second optical power detection module 9 is attached to one end of the quartz glass rod 8, and the light source module 2 injects light into the quartz glass rod 8;

The second optical power detection module 9 determines the second optical power according to the received second optical signal conducted by the quartz glass rod 8 .

When the optical fiber curing optical power detection device is in the shutdown mode, fix the quartz glass rod 8 at the drawing channel 3, one end of the quartz glass rod 8 is located outside the box 1, and connect one end face of the second optical power detection module 9 with the quartz glass rod 8. One end face of the glass rod 8 is attached to each other, and the second optical power detection module 9 receives the second optical signal conducted by the end face of the quartz glass rod 8, and obtains the second optical power of the second optical signal, thereby realizing the shutdown mode. The detection of the overall optical power of the light source module 2 in the box 1 at the same time can provide the optical power information in the box 1 before the subsequent fiber curing production.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that it can still be The technical solutions described in the foregoing embodiments are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. An optical fiber curing optical power detection device, characterized in that, comprising: a box, a quartz glass tube, a light source module and a first optical power detection module; The quartz glass tube and the light source module are both arranged in the box, and the light source module is used to inject light into the quartz glass tube; The quartz glass tube has a first through hole, the first optical power detection module has a second through hole, the second through hole is coaxial with the first through hole, and the first through hole is connected to the first through hole. The second through hole is used for passing through the optical fiber; one end of the first optical power detection module is attached to one end of the quartz glass tube, and is used for receiving the first light transmitted by the quartz glass tube according to the received first light. signal to determine the first optical power. 2. The optical fiber curing optical power detection device according to claim 1, wherein the optical fiber curing optical power detection device further comprises a cover; The cover body is adapted to the second through hole, and the cover body is used to block the second through hole. 3. The optical fiber curing optical power detection device according to claim 1, wherein the optical fiber curing optical power detection device further comprises a quartz glass rod; When the quartz glass tube is separated from the box body, the quartz glass rod is provided in the box body, and the light source module is used to inject light into the quartz glass rod. 4. The optical fiber curing optical power detection device according to claim 3, wherein the optical fiber curing optical power detection device further comprises a second optical power detection module; The second optical power detection module is a solid structure, and one end of the second optical power detection module is attached to one end of the quartz glass rod, and is used for receiving the second optical power conducted by the quartz glass rod according to the received second optical power. The optical signal determines the second optical power. 5 . The optical fiber curing light power detection device according to claim 3 , wherein the quartz glass rod is cylindrical. 6 . 6. The optical fiber curing optical power detection device according to claim 1, wherein the optical fiber curing optical power detection device further comprises an annular fixing member; The annular fixing member is sleeved on the part of the quartz glass tube extending to the outside of the box, and the annular fixing member is sandwiched between the top of the box and the first optical power detection module . 7. The optical fiber curing optical power detection device according to claim 1, wherein the optical fiber curing optical power detection device further comprises an optical power display module; The optical power display module is connected to the first optical power detection module, and is used for displaying the first optical power value of the first optical signal. 8 . The optical fiber curing light power detection device according to claim 1 , wherein the quartz glass tube is cylindrical. 9 . 9. A detection method of the optical fiber curing optical power detection device according to any one of claims 1 to 8, characterized in that, comprising: The quartz glass tube and the light source module are arranged in the box, the first through hole of the quartz glass tube is coaxial with the second through hole of the first optical power detection module, and one end of the first optical power detection module is connected to the quartz glass tube. One end of the glass tube fits together; The light source module injects light into the quartz glass tube, and the optical fiber passes through the first through hole and the second through hole; The first optical power detection module determines the first optical power according to the received first optical signal conducted by the quartz glass tube. 10. The detection method of the optical fiber curing optical power detection device according to claim 9, characterized in that, further comprising: The quartz glass rod is arranged in the box, one end of the second optical power detection module is attached to one end of the quartz glass rod, and the light source module injects light into the quartz glass rod; The second optical power detection module determines the second optical power according to the received second optical signal conducted by the quartz glass rod.

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