Optical fiber curing optical power detection device and detection method

Abstract

The present invention provides an optical fiber curing optical power detection device and a detection method. The optical fiber curing optical power detection device comprises: a housing, 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 housing, and the light source module is used to inject light into the quartz glass tube; the quartz glass tube has a first through hole, and the first optical power detection module has a second through hole, the second through hole is coaxially arranged with the first through hole, and the first through hole and the second through hole are used for optical fiber penetration; one end of the first optical power detection module is fitted with one end of the quartz glass tube, and is used to determine the first optical power according to the received first optical signal transmitted by the quartz glass tube. The optical fiber curing optical power detection device of the present invention can obtain the first optical power of the first optical signal in real time while the optical fiber is being cured, thereby realizing the real-time detection of the overall optical power of the light source module in the housing, which is conducive to ensuring the curing quality of the optical fiber.

Description

Technical Field

[0001] The present invention relates to the field of optical fiber technology, and in particular to an optical fiber curing light power detection device and a detection method. Background Art

[0002] Optical fiber mainly consists of 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, if the curing power is too high, the coating material will be over-cured, and the coating will adhere too tightly to the glass part, 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 be incompletely cured, such as the coating is easy to fall off, easy to be damaged, and the coating surface is sticky.

[0003] The curing process of optical fiber coating mainly uses UV lamp for curing, so the optical power of UV curing lamp directly affects the coating quality of optical fiber. In the production process of optical fiber, it is necessary to monitor the overall optical power of curing lamp to ensure the curing quality of optical fiber coating.

[0004] Most of the existing ultraviolet light power detectors adopt a flat cylindrical structure design. The probe of the ultraviolet light power detector can only monitor the light power in a small range and cannot detect the overall light power inside the curing light box. Summary of the invention

[0005] The present 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.

[0006] In a first aspect, the present invention provides an optical fiber curing optical power detection device, comprising: a box, a quartz glass tube, a light source module and a first optical power detection module;

[0007] The quartz glass tube and the light source module are both disposed in the housing, and the light source module is used to inject light into the quartz glass tube;

[0008] 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 coaxially arranged with the first through hole, and the first through hole and the second through hole are used for optical fiber penetration; one end of the first optical power detection module is in contact with one end of the quartz glass tube, and is used to determine the first optical power according to the received first optical signal transmitted by the quartz glass tube.

[0009] According to the optical fiber curing optical power detection device provided by the present invention, the optical fiber curing optical power detection device further includes a cover body;

[0010] The cover body is adapted to the second through hole, and the cover body is used to block the second through hole.

[0011] 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;

[0012] In a case where the quartz glass tube is separated from the housing, the quartz glass rod is disposed in the housing, and the light source module is used to allow light to be incident on the quartz glass rod.

[0013] According to an optical fiber curing optical power detection device provided by the present invention, the optical fiber curing optical power detection device further includes a second optical power detection module;

[0014] The second optical power detection module is a solid structure, one end of which is in contact with one end of the quartz glass rod, and is used to determine the second optical power according to the received second optical signal conducted by the quartz glass rod.

[0015] According to the optical fiber curing optical power detection device provided by the present invention, the quartz glass rod is columnar.

[0016] According to the optical fiber curing optical power detection device provided by the present invention, the optical fiber curing optical power detection device further includes an annular fixing member;

[0017] The annular fixing member is sleeved on the portion of the quartz glass tube extending outside the box body, and the annular fixing member is clamped between the top of the box body and the first optical power detection module.

[0018] According to an optical fiber curing optical power detection device provided by the present invention, the optical fiber curing optical power detection device further includes an optical power display module;

[0019] The optical power display module is connected to the first optical power detection module, and is used to display a first optical power value of the first optical signal.

[0020] According to the optical fiber curing optical power detection device provided by the present invention, the quartz glass tube is columnar.

[0021] In a second aspect, the present invention provides a detection method for an optical fiber curing optical power detection device, comprising:

[0022] 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 in contact with one end of the quartz glass tube;

[0023] 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;

[0024] The first optical power detection module determines the first optical power according to the received first optical signal conducted by the quartz glass tube.

[0025] A detection method for an optical fiber curing optical power detection device according to the present invention further includes:

[0026] The quartz glass rod is arranged in the box, one end of the second optical power detection module is in contact with one end of the quartz glass rod, and the light source module injects light into the quartz glass rod;

[0027] The second optical power detection module determines the second optical power according to the received second optical signal conducted by the quartz glass rod.

[0028] The optical fiber curing optical power detection device and optical power detection method provided by the present invention are characterized in that a quartz glass tube is located in a box body, a first through hole of the quartz glass tube and a second through hole of a first optical power detection module are coaxial, an end face of the first optical power detection module is fitted with an end face of the quartz glass tube, and a first optical power of a first optical signal can be obtained in real time while the optical fiber is being cured, thereby achieving real-time detection of the overall optical power of the light source module in the box body, which is beneficial to ensuring the curing quality of the optical fiber. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0030] Figure 1 This is one of the structural schematic diagrams of the optical fiber curing optical power detection device provided by the present invention;

[0031] Figure 2 This is the second structural schematic diagram of the optical fiber curing optical power detection device provided by the present invention;

[0032] Figure 3 It is a flow chart of a detection method of the optical fiber curing optical power detection device provided by the present invention;

[0033] Reference numerals:

[0034] 1: box; 2: light source module; 3: drawing channel; 4: quartz glass tube; 5: fixing piece; 6: first optical power detection module; 7: optical power display module; 8: quartz glass rod; 9: second optical power detection module. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] Combine the following Figure 1 to Figure 2 The optical fiber curing optical power detection device according to the embodiment of the present invention is described.

[0038] like Figure 1 As shown, the optical fiber curing optical power detection device provided by the embodiment of the present invention includes: a box body 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 are both arranged in the box body 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, and the first optical power detection module 6 has a second through hole, the second through hole is coaxially arranged with the first through hole, and the first through hole and the second through hole are used for optical fiber penetration; one end of the first optical power detection module 6 is in contact with one end of the quartz glass tube 4, and is used to determine the first optical power according to the received first optical signal transmitted by the quartz glass tube 4.

[0039] 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, and the bottom plate of the box body 1 is provided with a lower opening. The upper opening and the lower opening are coaxially arranged. The upper opening, the lower opening and the inside of the box body 1 form a drawing channel 3 for optical fiber curing. The quartz glass tube 4 is fixed at the drawing channel 3. A fixing clip can be arranged inside the box body 1 to fix the quartz glass tube 4 at the drawing channel 3. A fixing part can also be arranged at the top or bottom of the box body 1 to fix the quartz glass tube 4 at the drawing channel 3.

[0040] 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 connected to the upper opening and the lower opening of the housing 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 the aperture size of the second through hole. The first optical power detection module 6 is used to receive 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 to 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 the first optical power corresponding to the first optical signal.

[0041] The quartz glass tube 4 is made of high-purity quartz glass, which has good light transmittance. The high-purity quartz glass can fully receive the light intensity of the ultraviolet light in the box 1 and play a transmission role. At the same time, the high-purity quartz glass can reduce the energy loss of the light beam during the transmission process. The surface of the quartz glass tube 4 can be a frosted surface or a smooth surface. Preferably, the surface of the quartz glass tube 4 is a smooth surface.

[0042] The light source module 2 includes an ultraviolet lamp. It is understandable that a reflective cover is also provided in the box 1. The lamp tube of the ultraviolet lamp emits ultraviolet light, which is reflected and focused on the quartz glass tube 4 by the reflective cover, so as to maximally concentrate the ultraviolet light.

[0043] When the optical fiber curing optical power detection device is in production mode, that is, when the optical fiber after coating needs to be cured, the quartz glass tube 4 is fixed to the drawing channel 3 in the housing 1, one end of the quartz glass tube 4 is located outside the housing 1, and one end face of the first optical power detection module 6 is in contact with an end face of the quartz glass tube 4 located outside the housing 1. The aperture size of the first through hole is the same as the aperture size of the second through hole. The first through hole and the second through hole are coaxial. The cavity surrounded by the first through hole and the second through hole constitutes a curing channel for curing the optical fiber after coating. 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 and obtains the first optical power of the first optical signal. The first optical power transmitted from the quartz glass tube 4 is substantially the same as the overall optical power of the light source module 2 in the housing 1.

[0044] In this way, the overall optical power of the light source module 2 in the box 1 can be detected in real time. 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, thereby ensuring the consistency of optical fiber curing and the curing quality of the optical fiber. The target optical power is the optical power that enables the coating to obtain the best curing effect when the optical fiber passes through the curing channel for curing.

[0045] In an embodiment of the present invention, the quartz glass tube 4 is located in the box body 1, the first through hole of the quartz glass tube 4 and the second through hole of the first optical power detection module 6 are coaxial, and one end face of the first optical power detection module 6 is in contact with one end face of the quartz glass tube 4. The first optical power of the first optical signal can be accurately obtained in real time while the optical fiber is being cured, thereby realizing real-time detection of the overall optical power of the light source module 2 in the box body 1, which is beneficial to ensuring the curing quality of the optical fiber.

[0046] In an optional embodiment, the optical fiber curing optical 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.

[0047] Specifically, the outer wall of the cover body fits 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, the cover body is inserted into the second through hole to seal the second through hole to prevent the light in the box 1 from escaping from the second through hole.

[0048] 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. The optical power transmitted by the quartz glass tube 4 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 optical power in the box 1 in the shutdown mode, and providing the optical power information in the box 1 before the subsequent optical fiber curing production.

[0049] In the embodiment of the present invention, after the optical fiber is cured, the second through hole is sealed by the cover body, and the first optical power detection module 6 receives the optical signal transmitted from the end face of the quartz glass tube 4, so as to realize the detection of the overall optical power of the light source module 2 in the box body 1 in the shutdown mode.

[0050] like Figure 2 As shown, in an optional embodiment, the optical fiber curing optical power detection device further includes a quartz glass rod 8; when the quartz glass tube 4 is separated from the housing 1, the quartz glass rod 8 is disposed in the housing 1, and the light source module 2 is used to direct light into the quartz glass rod 8.

[0051] 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 a smooth surface. Preferably, the surface of the quartz glass rod 8 is a smooth surface.

[0052] When the optical fiber curing optical power detection device is in the shutdown mode, remove the first optical power detection module 6, take out the quartz glass tube 4 from the drawing channel 3, and then 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. One end face of the first optical power detection module 6 fits with one end face of the quartz glass rod 8. The cover is inserted into the second through hole to block the second through hole. 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 transmitted from the end face of the quartz glass rod 8 and obtains the optical power corresponding to the optical signal. The quartz glass rod 8 is a solid structure. 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. In this way, the overall optical power of the light source module 2 in the box 1 in the shutdown mode is detected, and the optical power information in the box 1 can be provided before the subsequent optical fiber curing production.

[0053] like Figure 2 As shown, in an optional embodiment, the optical fiber curing optical power detection device also includes a second optical power detection module 9; the second optical power detection module 9 is a solid structure, one end of the second optical power detection module 9 is in contact with one end of the quartz glass rod 8, and is used to determine the second optical power according to the received second optical signal transmitted by the quartz glass rod 8.

[0054] 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 transmitted 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. 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 power corresponding to the second optical signal.

[0055] When the optical fiber curing optical power detection device is in shutdown mode, the first optical power detection module 6 is removed, the quartz glass tube 4 is taken out of the drawing channel 3, and then the quartz glass rod 8 is fixed at the drawing channel 3, one end of the quartz glass rod 8 is located outside the box 1, and one end face of the second optical power detection module 9 is fitted with 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 transmitted from the end face of the quartz glass rod 8, and obtains the second optical power corresponding to the second optical signal. The quartz glass rod 8 and the second optical power detection module 9 are both solid structures, which is conducive to improving the accuracy of the second optical signal and accurately obtaining the overall optical power of the light source module 2 in the box 1.

[0056] In an embodiment of the present invention, when the quartz glass tube 4 is located in the box body 1, one end face of the first optical power detection module 6 is in contact with one end face of the quartz glass tube 4, and while the optical fiber is being cured, the first optical power is accurately obtained in real time through the first optical power detection module 6; when the quartz glass rod 8 is located in the box body 1, one end face of the second optical power detection module 9 is in contact with one end face of the quartz glass rod 8, and the second optical power is accurately obtained through the second optical power detection module 9. Real-time detection of the overall optical power of the light source module 2 in the box body 1 in the production mode and detection of the overall optical power of the light source module 2 in the box body 1 in the shutdown mode are beneficial to ensuring the curing quality of the optical fiber.

[0057] like Figure 1 and Figure 2 As shown, in an optional embodiment, the optical fiber curing optical power detection device also includes an annular fixing member 5; the annular fixing member 5 is sleeved on the portion of the quartz glass tube 8 extending outside the box body, and the annular fixing member 5 is clamped between the top of the box body 1 and the first optical power detection module 6.

[0058] 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 by countersunk screws. The annular fixing member 5 is provided with a through hole. The aperture size of the through hole is compatible with the outer diameter size of the quartz glass tube 4 and the outer diameter size of the quartz glass rod 8.

[0059] When the outer diameter of the quartz glass tube 4 is equal to the outer diameter 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. When 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 is provided with a first through hole, the aperture size of the first through hole is adapted to the outer diameter of the quartz glass tube 4, and the quartz glass tube 4 can be fixed to the wire drawing channel 3 by the first annular fixing member; the second annular fixing member is provided with a second through hole, the aperture size of the second through hole is adapted to the outer diameter of the quartz glass rod 8, and the quartz glass rod 8 can be fixed to the wire drawing channel 3 by the second annular fixing member.

[0060] The annular fixing member 5 is installed on the top plate of the housing 1. After the quartz glass tube 4 is penetrated with a through hole, the end of the quartz glass tube 4 away from the bottom of the housing 1 is connected to the annular fixing member 5, and one end face of the first optical power detection module 6 is in contact with the end face of the quartz glass tube 4 away from the bottom of the housing 1, thereby detecting the optical power in the housing 1 in the production mode. 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 of the housing 1, and the quartz glass rod 8 is inserted into the housing 1 along the upper opening of the housing 1, and the end of the quartz glass rod 8 away from the bottom of the housing 1 is connected to the fixing member 5, and then one end face of the second optical power detection module 9 is in contact with the end face of the quartz glass rod 8 away from the bottom of the housing 1, thereby detecting the optical power in the housing 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 conducive to the convenience of installation and disassembly.

[0061] 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. The quartz glass tube 4 or the quartz glass rod 8 is connected to the annular fixing member 5 after passing through the through hole, which is conducive to the convenience of installation and disassembly.

[0062] like Figure 1 and Figure 2 As shown, 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, and is used to display the first optical power value of the first optical signal.

[0063] 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. The first optical power detection module 6 receives the first optical signal transmitted by the quartz glass tube 4 and obtains the first optical power. 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 real time under the production mode. The operator can adjust the light intensity of the ultraviolet lamp in time according to the first optical power value to ensure that the first optical power value is consistent with the target optical power value, thereby ensuring the consistency of the optical fiber curing and the curing quality of the optical fiber. The target optical power value is the optical power value that enables the coating to obtain the best curing effect when the optical fiber passes through the curing channel for curing.

[0064] The second optical power detection module 9 receives the second optical signal transmitted by the quartz glass rod 8 to obtain the second optical power. The optical power display module 7 can display the second optical power value of the second optical signal, thereby accurately displaying the optical power value in the box 1 in the shutdown mode.

[0065] 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 optical power in the box 1 meets the requirements of optical fiber curing.

[0066] like Figure 1 As shown, in an optional embodiment, the quartz glass tube 4 is cylindrical.

[0067] The cross section of the quartz glass tube 4 can be circular, quadrilateral or polygonal, etc. Preferably, the quartz glass tube 4 is a hollow cylinder, which is convenient for assembly and is conducive to uniformly receiving the light intensity in the box 1. The heat distribution of the quartz glass tube 4 is uniform, which is conducive to ensuring the curing quality of the optical fiber. The two end faces of the quartz glass tube 4 are flat end faces, which are convenient for fitting with the end faces of the first optical power detection module 6, which is conducive to the transmission of optical energy with the first optical power detection module 6, and ensures that the first optical power detection module 6 can completely receive the first optical signal conducted by the quartz glass tube 4.

[0068] The inner diameter and wall thickness of the quartz glass tube 4 are set according to actual needs and are not specifically limited. 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, the inner diameter of the quartz glass tube 4 is 10-20 mm, and the wall thickness is 2-8 mm.

[0069] 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 body 1, and an end face of the quartz glass tube 4 away from the bottom of the box body 1 is defined as the first end face of the quartz glass tube 4. 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 conducive to the accuracy of the detected first optical signal, and further conducive to ensuring the accuracy of the first optical power value.

[0070] In the embodiment of the present invention, the quartz glass tube 4 is columnar, 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.

[0071] like Figure 2As shown, the quartz glass rod 8 is also columnar. The cross section of the quartz glass rod 8 can be circular, quadrilateral or polygonal, etc. Preferably, the quartz glass rod 8 is in the shape of a cylinder, which is convenient for assembly and is conducive to uniformly receiving the light intensity in the box 1. The two end faces of the quartz glass rod 8 are flat end faces, which are convenient for fitting 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 that the second optical power detection module 9 can completely receive the second optical signal transmitted from the end face of the quartz glass rod 8.

[0072] 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, 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 30-40 mm, 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, 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 body 1, and the end face of the quartz glass rod 8 away from the bottom of the box body 1 is defined as the first end face of the quartz glass rod 8. The light transmitted to the first end face of the quartz glass rod 8 can be completely received by the second receiving end, which is conducive to the accuracy of the detected second optical signal, and further conducive to ensuring the accuracy of the second optical power value.

[0073] like Figure 1 and Figure 2 As shown, in an optional embodiment, the light source module 2 includes an ultraviolet lamp, and the ultraviolet light emitted by the ultraviolet lamp is reflected by the reflective cover and focused on the quartz glass tube 4.

[0074] Specifically, the ultraviolet lamp includes a plurality of ultraviolet lamp units, and the plurality of ultraviolet lamp units are arranged in an array on one side of the drawing channel 3. The ultraviolet light emitted by the plurality of ultraviolet lamp units is continuously reflected by the reflective cover, and the ultraviolet light is focused on the quartz glass tube 4. Each ultraviolet lamp unit can be individually controlled to be turned on and off, and the light intensity in the box 1 can be adjusted by controlling the number of ultraviolet lamp units turned on.

[0075] 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, the number of ultraviolet lamp units turned on can be reduced to reduce the light intensity in the box 1; or if the first optical power value is less than the target optical power value, the number of ultraviolet lamp units turned on can be increased to increase the light intensity in the box 1, and finally the first optical power value is made consistent with the target optical power value, thereby ensuring the consistency of the optical power in the box 1 during the optical fiber curing process and ensuring the curing quality of the optical fiber.

[0076] like Figure 3 As shown, the detection method of the optical fiber curing optical power detection device provided by the embodiment of the present invention includes:

[0077] Step 100, the quartz glass tube 4 and the light source module 2 are arranged in the housing 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 one end of the first optical power detection module 6 is in contact with one end of the quartz glass tube 4;

[0078] 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;

[0079] Step 300 : The first optical power detection module 6 determines the first optical power according to the received first optical signal transmitted by the quartz glass tube 4 .

[0080] Specifically, when the optical fiber curing optical power detection device is in 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 housing 1, one end face of the first optical power detection module 6 is in contact with one end face of the quartz glass tube 4, the aperture size of the first through hole is the same as the aperture size of the second through hole, the first through hole and the second through hole are coaxial, and the cavity surrounded by the first through hole and the second through hole constitutes a curing channel when the optical fiber is coated with a coating 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 conducted from the end face of the quartz glass tube 4, and obtains the first optical power of the first optical signal. The optical power conducted from the quartz glass tube 4 is substantially the same as the optical power in the housing 1, thereby achieving real-time detection of the overall optical power of the light source module 2 in the housing 1 during curing, which is beneficial to ensuring the curing quality of the optical fiber.

[0081] In an optional embodiment, the detection method of the optical fiber curing optical power detection device provided in the embodiment of the present invention further includes:

[0082] The quartz glass rod 8 is arranged in the box 1, one end of the second optical power detection module 9 is in contact with one end of the quartz glass rod 8, and the light source module 2 injects light into the quartz glass rod 8;

[0083] 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 .

[0084] When the optical fiber curing optical power detection device is in the shutdown mode, the quartz glass rod 8 is fixed at the drawing channel 3, one end of the quartz glass rod 8 is located outside the box 1, and one end face of the second optical power detection module 9 is fitted with one end face of the quartz glass rod 8. The second optical power detection module 9 receives the second optical signal transmitted from the end face of the quartz glass rod 8 and obtains the second optical power of the second optical signal, thereby realizing the detection of the overall optical power of the light source module 2 in the box 1 in the shutdown mode, and providing the optical power information in the box 1 before the subsequent optical fiber curing production.

[0085] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A fiber curing optical power detection device, characterized in that: include: A box body, 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 disposed in the housing, 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 coaxially arranged with the first through hole, and the first through hole and the second through hole are used for optical fiber penetration; 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 power according to the received first optical signal transmitted by the quartz glass tube; The optical fiber curing optical power detection device also includes a quartz glass rod; In the case where the quartz glass tube is separated from the housing, the quartz glass rod is disposed in the housing, and the light source module is used to project light into the quartz glass rod; The optical fiber curing optical power detection device also includes a second optical power detection module; The second optical power detection module is a solid structure, one end of which is in contact with one end of the quartz glass rod, and is used to determine the second optical power according to the received second optical signal conducted by the quartz glass rod; The optical fiber curing light power detection device also includes an annular fixing member; The annular fixing member is sleeved on the portion of the quartz glass tube extending outside the box body, and the annular fixing member is clamped between the top of the box body and the first optical power detection module.

2. The optical fiber curing optical power detection device according to claim 1, characterized in that: The optical fiber curing optical power detection device also 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.

3. The optical fiber curing optical power detection device according to claim 1, characterized in that: The quartz glass rod is columnar.

4. The optical fiber curing optical power detection device according to claim 1, characterized in that: The optical fiber curing optical power detection device also includes an optical power display module; The optical power display module is connected to the first optical power detection module, and is used to display a first optical power value of the first optical signal.

5. The optical fiber curing optical power detection device according to claim 1, characterized in that: The quartz glass tube is columnar.

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