CN210816546U - Dust removing device for optical fiber diameter measuring instrument - Google Patents
Dust removing device for optical fiber diameter measuring instrument Download PDFInfo
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- CN210816546U CN210816546U CN201921413708.4U CN201921413708U CN210816546U CN 210816546 U CN210816546 U CN 210816546U CN 201921413708 U CN201921413708 U CN 201921413708U CN 210816546 U CN210816546 U CN 210816546U
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Abstract
The utility model discloses a dust removing device of an optical fiber diameter measuring instrument, which comprises an end cover, wherein the center of the end cover is provided with a fiber through hole; the outer wall of the end cover is provided with at least two groups of air inlets, the air inlets are communicated with an air flow channel in the end cover, and the air flow channel is communicated with the air outlet; an air flow channel is arranged in the end cover corresponding to each group of air inlets, and a group of air outlets is arranged corresponding to each air flow channel; each airflow channel is internally provided with an airflow conversion part which cuts off the airflow channel into a first airflow channel and a second airflow channel, and the first airflow channel and the second airflow channel are respectively communicated with the air inlet and the air outlet; an adsorption channel communicated with the air flow channel II is arranged in the end cover and communicated with the fiber through hole. The utility model discloses optic fibre diameter measuring appearance dust collector for clear away dust, the impurity of optic fibre diameter measuring instrument surface on line, carry out two steps cleanness to the optic fibre of on-line wire drawing and the plug of extension in-process, reduce the influence of dust and impurity to optic fibre production efficiency, optical fiber quality.
Description
Technical Field
The utility model relates to an optic fibre, plug field of making, concretely relates to optic fibre diameter gauge dust collector.
Background
The arrival of the 5G era is showing that the optical communication industry is meeting the increasing demand of people and is developing more and more. The optical fiber industry receives opportunities and challenges caused by technological development, and a high-efficiency and low-loss manufacturing mode is gradually promoted to meet the severe market environment. Dust particles and exhaust emissions have been significant factors affecting optical fiber production efficiency, quality and cost. For example, the production of the optical fiber is controlled by the optical fiber diameter measuring instrument in the drawing process, dust and impurities on the surface of the optical fiber diameter measuring instrument easily cause false alarm of coating diameter after the optical fiber is drawn, so that the process is suddenly stopped, the qualified product is misjudged as a defective product due to too long alarm, the normal optical fiber is mistakenly cut, a large amount of waste is formed, and the false alarm problem of the optical fiber diameter measuring instrument is caused because the dust is not timely treated in the extension process of the core rod. Therefore, if dust and impurities on the surface of the optical fiber diameter measuring instrument cannot be processed in time, the production efficiency of the optical fiber is influenced, and irreversible cost loss is caused.
Disclosure of Invention
The embodiment of the utility model provides an optic fibre diameter measuring appearance dust collector for clear away dust, the impurity of optic fibre diameter measuring instrument surface on line, carry out two steps cleanness to the optic fibre of on-line wire drawing and the plug of extending the in-process, reduce dust and impurity to optic fibre production efficiency, the influence of optic fibre quality, both solved the dust problem and guaranteed the optic fibre quality, utilize waste gas to practice thrift the cost again, when the smart optic fibre wire drawing technology that advances, accord with the 5S requirement of enterprise.
In order to solve the technical problem, the utility model provides a dust removal device of an optical fiber diameter measuring instrument, which comprises an end cover, wherein the dust removal device is assembled with the optical fiber diameter measuring instrument through the bottom surface of the end cover; a fiber through hole is formed in the center of the end cover; the outer side wall of the end cover is provided with at least two groups of air inlets, the air inlets are communicated with an airflow channel in the end cover, and the tail end of the airflow channel is communicated with an air outlet; an air flow channel is independently configured in the end cover corresponding to each group of air inlets, and a group of air outlets is independently configured on the end cover corresponding to each air flow channel; all the air inlets are symmetrically configured by taking the fiber through hole as a center, all the air flow channels are correspondingly configured by taking the fiber through hole as a center, and all the air outlets are symmetrically configured by taking the fiber through hole as a center;
each air flow channel is internally provided with an air flow conversion part, the air flow conversion part cuts off the air flow channel into a first air flow channel and a second air flow channel, the first air flow channel is communicated with the air inlet, and the second air flow channel is communicated with the air outlet; an adsorption channel communicated with the airflow channel II is further arranged in the end cover, and the tail end of the adsorption channel is communicated with the fiber through hole; the ventilation aperture of the airflow conversion part is smaller than that of the first airflow channel, so that negative pressure is generated in the adsorption channel when airflow in the first airflow channel enters the second airflow channel after entering the airflow conversion part.
In a preferred embodiment of the present invention, the dust removing apparatus further comprises an optical fiber pre-cleaning component, the optical fiber pre-cleaning component comprises an exhaust pipe, and an exhaust pipe is independently disposed in the optical fiber pre-cleaning component corresponding to each group of the gas outlets; the exhaust pipe is arranged on the end cover at the position of the air outlet, one end of the exhaust pipe is communicated with the air outlet, and the other end of the exhaust pipe is spirally wound along the direction in which the optical fiber enters the fiber through hole.
The utility model discloses a preferred embodiment, further include that all blast pipes coil for the center spiral along the axis that leads to fine hole, the radius of coiling of blast pipe reduces gradually from the end cover to its spiral extending direction.
In a preferred embodiment of the present invention, the airflow conversion member further comprises an annular pipe member, the annular pipe member is provided with a central vent hole; the annular pipe fitting is hermetically installed in the airflow channel, high-pressure gas entering the airflow channel I enters the airflow channel II from the central vent hole, and the aperture of the central vent hole is smaller than the inner diameter of the airflow channel I.
In a preferred embodiment of the present invention, the end cap is a disc-shaped structure, and the air flow channel is surrounded on the outer side thereof by taking the fiber through hole as a center.
The utility model discloses a preferred embodiment, further include the lateral wall of end cover is equipped with four air inlets of group, be equipped with four airflow channel, four absorption passageways in the end cover, be equipped with four gas outlets of group on the end cover, four airflow channel communicate four air inlets of group and four gas outlets of group respectively, four absorption passageways communicate four airflow channel of group and logical fine hole respectively.
The utility model discloses a preferred embodiment, further include the lateral wall of end cover is equipped with five air inlets, be equipped with five airflow channel in the end cover, five adsorb the passageway, be equipped with five gas outlets on the end cover, five airflow channel communicate five air inlets and five gas outlets respectively, five adsorb the passageway and communicate five airflow channel and lead to fine hole respectively.
In a preferred embodiment of the present invention, the end cap further comprises a top cap and a bottom cap, wherein the top cap and the bottom cap can be detachably assembled; the dust removing device is assembled with the optical fiber diameter measuring instrument through the bottom cover
The utility model discloses a preferred embodiment, further include all be equipped with air current groove and absorption groove on the terminal surface that both meet of top cap and bottom, air current groove cooperation between them forms air current channel, absorption groove cooperation between them forms the absorption passageway after top cap and bottom meet.
In a preferred embodiment of the present invention, the top cover and the bottom cover are tightly fixed by screws or bolts.
The utility model has the advantages that:
the embodiment of the utility model provides an optic fibre diameter measuring appearance dust collector, through set up the air current conversion part in the air current channel in the end cover, the low-speed incompressible gas that will get into air current channel in the air inlet converts the high velocity of flow gas into, when the gas velocity of flow increases to a definite value, the position that lies in air current conversion part gas outlet in the air current channel produces the negative pressure, with the help of the effect of this negative pressure adsorption force with the dust of optic fibre diameter measuring instrument face, impurity inhales and discharges in the gas outlet, with this online cleanness that realizes optic fibre diameter measuring appearance, reduce dust and impurity to optic fibre production efficiency, the influence of optic fibre quality.
Drawings
Fig. 1 is a schematic structural view of a dust removing device of an optical fiber diameter measuring instrument in the embodiment of the present invention;
FIG. 2 is a schematic view of the bottom cover of the dust removing device shown in FIG. 1;
FIG. 3 is a schematic view showing the structure of a top cover and an optical fiber pre-cleaning member in the dust removing device shown in FIG. 1.
The reference numbers in the figures illustrate: 2-end cover, 2 a-top cover, 2 b-bottom cover, 4-fiber through hole, 6-air inlet, 8-air flow channel I, 9-air flow channel II, 10-air outlet, 12-air flow conversion part, 13-adsorption channel, 14-exhaust pipe, 16-air flow groove, 18-adsorption groove and 20-central vent hole.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Examples
The embodiment discloses a dust removal device of an optical fiber diameter measuring instrument, which comprises an end cover 2, wherein the end cover 2 is assembled with the optical fiber diameter measuring instrument through the bottom surface of the end cover 2; referring to fig. 1 to 3, a fiber through hole 4 is formed in the center of the end cap 2; the flat bottom surface of the end cover 2 is assembled on an optical fiber diameter measuring instrument, and bare fibers after optical fiber drawing penetrate out of the fiber through hole 4 and enter the optical fiber diameter measuring instrument.
The outer side wall of the end cover 2 is provided with at least two groups of air inlets 6, the air inlets 6 are communicated with an air flow channel in the end cover 2, and the tail end of the air flow channel is communicated with an air outlet 10; an air flow channel is independently configured in the end cover 2 corresponding to each air inlet 6, and a group of air outlets 10 is independently configured on the end cover 2 corresponding to each air flow channel.
Each airflow channel is provided with an airflow conversion part 12, the airflow conversion part 12 cuts off the airflow channels into a first airflow channel 8 and a second airflow channel 9, the first airflow channel 8 is communicated with the air inlet 6, and the second airflow channel 9 is communicated with the air outlet 10; an adsorption channel 13 communicated with the second airflow channel 9 is further arranged in the end cover 2, and the tail end of the adsorption channel 13 is communicated with the fiber through hole 4; the ventilation aperture of the airflow conversion part 12 is smaller than the ventilation aperture of the airflow channel I8, so that negative pressure is generated in the adsorption channel 13 when the airflow in the airflow channel I8 enters the airflow channel II 9 after entering the airflow conversion part 12.
The air flow conversion component 12 is arranged in the air flow channel in the end cover 2, low-speed incompressible air entering the air flow channel from the air inlet 6 is converted into high-flow-speed air, when the air flow speed is increased to a certain value, negative pressure is generated at the position, located at the air outlet of the air flow conversion component 12, in the air flow channel, under the action of the negative pressure adsorption force, dust and impurities on the surface of the optical fiber diameter measuring instrument are discharged from the air outlet 10 of the end cover 2 through the optical fiber hole 4 → the adsorption channel 13 → the air flow channel II 9, online cleaning of the optical fiber diameter measuring instrument is achieved, and influences of the dust and the impurities on the optical fiber production efficiency and the optical fiber quality are reduced.
From hydrodynamics, the equation of continuity for an incompressible air gas (gas traveling at low velocity, which can be considered approximately as incompressible air) is:
A1v1＝A2v2(formula 1);
in the formula, A1，A2The cross-sectional area (m) of the channel2)；v1，v2-gas flow velocity (m/s);
as can be seen from equation 1, the cross-sectional area increases and the flow velocity decreases; the cross-sectional area decreases and the flow velocity increases.
For a horizontal channel, the bernoulli ideal energy equation for incompressible air is:
in the formula P1，P2- - -section A1，A2The corresponding pressure;
v1，v2- - -section A1，A2The corresponding flow rate;
ρ - - - -the density of air;
from equation 2, the flow rate increases and the pressure decreases when v2＞v1When is, P1＞P2. When v is2Increase to a certain value, P2Will be less than one atmosphere, i.e. a negative pressure will be created.
In the technical solution of the present embodiment, based on the above principle, the airflow conversion part 12 is designed to include an annular pipe member, and the annular pipe member is provided with a central vent hole 20; the annular pipe fitting is hermetically installed in the airflow channel, high-pressure and low-speed gas entering the airflow channel I8 enters the airflow channel II 9 from the central vent hole 20, and the aperture of the central vent hole 20 is smaller than the inner diameter of the airflow channel I8. The air flow conversion part 12 reduces the cross-sectional area of the air flow flowing through the channel, so as to improve the flow velocity of the air flow, and when the flow velocity is increased by a certain value, negative pressure is obtained at the air outlet part of the annular pipe fitting, so that suction force is generated. Wherein, through adjusting the inlet pressure of air inlet department, can obtain different negative pressure adsorption affinity.
In the technical solution of this embodiment, the end cap 2 is a disk-shaped structure, in order to balance the air flow and prevent the optical fiber from shaking when the dust is adsorbed by the negative pressure, the air flow channels surround the outer side of the end cap with the fiber through hole 4 as the center, all the air inlets 6 are symmetrically configured with the fiber through hole 4 as the center, all the air flow channels are correspondingly configured with the fiber through hole 4 as the center, and all the air outlets 10 are symmetrically configured with the fiber through hole 4 as the center.
In the technical solution of this embodiment, referring to fig. 1 to 3, four sets of air inlets 6 are disposed on the outer side wall of the end cover 2, four air flow channels and four adsorption channels 13 are disposed in the end cover 2, four sets of air outlets 10 are disposed on the end cover 2, the four air flow channels are respectively communicated with the four sets of air inlets 6 and the four sets of air outlets 10, and the four adsorption channels 13 are respectively communicated with the four sets of air flow channels and the fiber through holes 4.
Of course, in other embodiments, the outer side wall of the end cap 2 is provided with five sets of air inlets 6, five air flow passages and five adsorption passages 13 are provided in the end cap, five sets of air outlets 10 are provided in the end cap 2, the five air flow passages are respectively communicated with the five sets of air inlets 6 and the five sets of air outlets 10, and the five adsorption passages 13 are respectively communicated with the five sets of air flow passages and the fiber through holes 4.
The number of the air inlet 6, the air outlet 10, the air flow channel and the adsorption channel 13 can be adjusted according to actual needs, theoretically, the more the number is configured, the more uniform the negative pressure adsorption force of the surface of the optical fiber diameter measuring instrument is under the action, but the structure of the dust removal device is more complex, and the difficulty in manufacturing is large. When four groups are configured, the purpose of adsorbing dust and impurities on the surface of the optical fiber diameter measuring instrument can be realized, and the anti-shaking prevention effect on the optical fibers reaches the standard.
The dust removal device in the technical scheme of the embodiment further comprises an optical fiber pre-cleaning component, wherein the optical fiber pre-cleaning component comprises an exhaust pipe 14, and the optical fiber pre-cleaning component is independently provided with an exhaust pipe 14 corresponding to each group of air outlets 10; the exhaust pipe 14 is mounted to the end cap 2 at the position of the air outlet 10, and one end of the exhaust pipe is communicated with the air outlet 10, and the other end of the exhaust pipe is spirally wound in the opposite direction of the optical fiber entering the fiber through hole 4. The gas used to create the negative pressure eventually exits the gas flow path from the gas outlet 10 of the end cap 2. This application carries out the reutilization to the gas of discharge airflow channel with the help of along the reverse spiral exhaust pipe 14 that coils of optic fibre entering optical fiber diameter gauge, and the gas that comes out from the exhaust pipe is to the optic fibre before entering optical fiber diameter gauge precleaning, and here, during precleaning, the optic fibre can not directly be blown when the gas after the spiral coiling is discharged from the exhaust pipe, but flows around optic fibre in the optic fibre outside, can not pollute optic fibre when precleaning optic fibre. The method not only solves the dust problem and ensures the optical fiber quality, but also utilizes waste gas to save cost, and meets the 5S requirements of enterprises while the optical fiber drawing process is refined.
All the exhaust pipes 14 are spirally wound around the central axis of the fiber passing hole 4, and the winding radius of the exhaust pipes 14 gradually decreases from the end cover to the spiral extending direction thereof. The gradual reduction of the spiral radius can improve the pre-cleaning action of the optical fiber.
In order to facilitate installation of the airflow conversion part 12 and maintenance of an airflow channel inside the end cover, the end cover 2 is provided with a top cover 2a and a bottom cover 2b which are separately arranged, and the top cover 2a and the bottom cover 2b are tightly matched and fixed through screws or bolts; the dust removing device is assembled with the optical fiber diameter measuring instrument through the bottom cover 2 b. The end surfaces of the top cover 2a and the bottom cover 2b which are connected are provided with airflow grooves 16 and adsorption grooves 18, the airflow grooves 16 of the top cover 2a and the bottom cover 2b which are connected form airflow channels in a matching way, and the adsorption grooves 18 of the top cover 2a and the bottom cover form adsorption channels 18 in a matching way.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. The utility model provides an optic fibre calibrator dust collector which characterized in that: the dust removal device is assembled with the optical fiber diameter measuring instrument through the bottom surface of the end cover; a fiber through hole is formed in the center of the end cover; the outer side wall of the end cover is provided with at least two groups of air inlets, the air inlets are communicated with an airflow channel in the end cover, and the tail end of the airflow channel is communicated with an air outlet; an air flow channel is independently configured in the end cover corresponding to each group of air inlets, and a group of air outlets is independently configured on the end cover corresponding to each air flow channel; all the air inlets are symmetrically configured by taking the fiber through hole as a center, all the air flow channels are correspondingly configured by taking the fiber through hole as a center, and all the air outlets are symmetrically configured by taking the fiber through hole as a center;
each air flow channel is internally provided with an air flow conversion part, the air flow conversion part cuts off the air flow channel into a first air flow channel and a second air flow channel, the first air flow channel is communicated with the air inlet, and the second air flow channel is communicated with the air outlet; an adsorption channel communicated with the airflow channel II is further arranged in the end cover, and the tail end of the adsorption channel is communicated with the fiber through hole; the ventilation aperture of the airflow conversion part is smaller than that of the first airflow channel, so that negative pressure is generated in the adsorption channel when airflow in the first airflow channel enters the second airflow channel after entering the airflow conversion part.
2. The optical fiber caliper dust removing apparatus according to claim 1, wherein: the dust removal device also comprises an optical fiber pre-cleaning component, wherein the optical fiber pre-cleaning component comprises an exhaust pipe, and the optical fiber pre-cleaning component is independently provided with an exhaust pipe corresponding to each group of air outlets; the exhaust pipe is arranged on the end cover at the position of the air outlet, one end of the exhaust pipe is communicated with the air outlet, and the other end of the exhaust pipe is spirally wound along the direction in which the optical fiber enters the fiber through hole.
3. The optical fiber caliper dust removing apparatus according to claim 2, wherein: all exhaust pipes are spirally coiled by taking the central axis of the fiber through hole as a center, and the coiling radius of the exhaust pipes is gradually reduced from the end cover to the spiral extending direction of the exhaust pipes.
4. The optical fiber caliper dust removing apparatus according to claim 1, wherein: the airflow conversion component comprises an annular pipe fitting, and the annular pipe fitting is provided with a central vent hole; the annular pipe fitting is hermetically installed in the airflow channel, high-pressure gas entering the airflow channel I enters the airflow channel II from the central vent hole, and the aperture of the central vent hole is smaller than the inner diameter of the airflow channel I.
5. The optical fiber caliper dust removing apparatus according to claim 1, wherein: the end cover is of a disc-shaped structure, and the airflow channel is surrounded on the outer side of the end cover by taking the fiber through hole as a center.
6. The optical fiber caliper dust removing apparatus according to claim 5, wherein: the outer side wall of the end cover is provided with four groups of air inlets, four airflow channels and four adsorption channels are arranged in the end cover, four groups of air outlets are arranged on the end cover, the four airflow channels are respectively communicated with the four groups of air inlets and the four groups of air outlets, and the four adsorption channels are respectively communicated with the four groups of airflow channels and the fiber through holes.
7. The optical fiber caliper dust removing apparatus according to claim 5, wherein: the outer side wall of the end cover is provided with five groups of air inlets, five air flow channels and five adsorption channels are arranged in the end cover, five groups of air outlets are arranged on the end cover, the five air flow channels are respectively communicated with the five groups of air inlets and the five groups of air outlets, and the five adsorption channels are respectively communicated with the five groups of air flow channels and the fiber through holes.
8. The optical fiber caliper dust removing apparatus according to claim 6 or 7, wherein: the end cover is provided with a top cover and a bottom cover, and the top cover and the bottom cover can be assembled in a detachable mode; the dust removal device is assembled with the optical fiber diameter measuring instrument through the bottom cover.
9. The optical fiber caliper dust removing apparatus according to claim 8, wherein: the end surfaces of the top cover and the bottom cover which are connected are respectively provided with an airflow groove and an adsorption groove, after the top cover and the bottom cover are connected, the airflow grooves of the top cover and the bottom cover are matched to form an airflow channel, and the adsorption grooves of the top cover and the bottom cover are matched to form an adsorption channel.
10. The optical fiber caliper dust removing apparatus according to claim 8, wherein: the top cover and the bottom cover are tightly matched and fixed through screws or bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921413708.4U CN210816546U (en) | 2019-08-28 | 2019-08-28 | Dust removing device for optical fiber diameter measuring instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921413708.4U CN210816546U (en) | 2019-08-28 | 2019-08-28 | Dust removing device for optical fiber diameter measuring instrument |
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| CN210816546U true CN210816546U (en) | 2020-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508559A (en) * | 2019-08-28 | 2019-11-29 | 江苏亨通光纤科技有限公司 | Optical fiber calliper gauge dust-extraction unit |
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2019
- 2019-08-28 CN CN201921413708.4U patent/CN210816546U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508559A (en) * | 2019-08-28 | 2019-11-29 | 江苏亨通光纤科技有限公司 | Optical fiber calliper gauge dust-extraction unit |
| CN110508559B (en) * | 2019-08-28 | 2024-04-02 | 江苏亨通光纤科技有限公司 | Dust removing device of optical fiber calliper |
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