阅读说明：本技术 一种ovd制造光纤预制棒的智能控制系统及方法 (A kind of intelligence control system and method for OVD manufacture preform ) 是由 郑中成 孔明 伍淑坚 于 2019-08-28 设计创作，主要内容包括：本发明公开了一种OVD制造光纤预制棒的智能控制系统及方法,涉及光纤制造领域,包括：支撑装置,其用于夹持待加工的芯棒,所述支撑装置上设有称重传感器,所述称重传感器用于实时测量芯棒上疏松体的重量；至少一个喷灯,其设置在所述支撑装置上；测径装置,其用于实时测量所述疏松体的外径；以及控制装置,其用于接收所述称重传感器发送的重量数据和测径装置发送的外径数据,并根据所述重量数据和外径数据调整所述喷灯的流量,使所述疏松体的外径和密度位于预设范围内。本发明能精确控制疏松体的外径尺寸、重量和密度。(The invention discloses the intelligence control systems and method of a kind of OVD manufacture preform, it is related to optical fiber fabrication arts, it include: support device, it is used to clamp plug to be processed, the support device is equipped with weighing sensor, weight of the weighing sensor for loosening body on real-time measurement plug；At least one blowtorch is arranged in the support device；Diameter measurer is used for the outer diameter of loosening body described in real-time measurement；And control device, it is used to receive the outer diameter data that the weight data that the weighing sensor is sent and diameter measurer are sent, and the flow of the blowtorch according to the weight data and outer diameter data point reuse, it is located at the outer diameter of the loosening body and density in preset range.The present invention can accurately control outer diameter, weight and the density of loosening body.)

1. a kind of intelligence control system of OVD manufacture preform characterized by comprising

Support device (2) is used to clamp plug to be processed, and the support device (2) is equipped with weighing sensor (3), institute State the weight of weighing sensor (3) for loosening body (1) on real-time measurement plug；

At least one blowtorch (4) is arranged on the support device (2)；

Diameter measurer is used for the outer diameter of loosening body described in real-time measurement (1)；And

Control device, the outer diameter number that the weight data and diameter measurer for being used to receive the weighing sensor (3) transmission are sent According to, and the flow of the blowtorch (4) according to the weight data and outer diameter data point reuse, make the loosening body (1) outer diameter and Density is located in preset range.

2. a kind of intelligence control system of OVD manufacture preform as described in claim 1, it is characterised in that: the intelligence The system of can control further includes at least one thermal imaging system (5), and the thermal imaging system (5) corresponds to blowtorch (4) for real-time monitoring Temperature, and alarm is triggered when the temperature of the blowtorch of monitoring (4) reaches threshold value.

3. a kind of intelligence control system of OVD manufacture preform as claimed in claim 2, it is characterised in that: the intelligence Can control system includes six spaced blowtorch (4) and three spaced thermal imaging systems (5), Mei Gere Imager (5) is used to monitor the temperature of two blowtorch (4).

4. a kind of intelligence control system of OVD manufacture preform as described in claim 1, which is characterized in that the survey Diameter device includes:

Camera (6), is used to obtain the outline dimensional drawing of the loosening body (1) in real time；

Analysis module, determines the outer diameter data of the loosening body (1) according to the outline dimensional drawing, and by the outer diameter data It is sent to the control device.

5. a kind of intelligence control system of OVD manufacture preform as claimed in claim 4, which is characterized in that the control Whether within a preset range device processed for judging the outer diameter data, to leading to loosening body (1) outer diameter not within a preset range The flow of blowtorch (4) be adjusted.

6. a kind of intelligence control system of OVD manufacture preform as claimed in claim 1 or 5, which is characterized in that described The preset range of the outer diameter of loosening body (1) is in mean outside diameter ± 2mm.

7. a kind of method of OVD manufacture preform, which is characterized in that method includes the following steps:

Plug to be processed is clamped on support device (2)；

Blowtorch (4) are lighted, so that silica is deposited on the surface of plug to form loosening body (1)；

Using the weight of loosening body (1) described in weighing sensor (3) real-time measurement, and weight data is sent to control device；

Control device is sent to using the outer diameter of loosening body described in diameter measurer real-time measurement (1), and by outer diameter data；

The flow of control device blowtorch (4) according to the weight data and outer diameter data point reuse, makes the loosening body (1) Outer diameter and density are located in preset range.

8. a kind of method of OVD manufacture preform as claimed in claim 7, which is characterized in that utilize multiple thermal imagings Instrument (5) real-time monitoring corresponds to the temperature of blowtorch (4), and alarm is triggered when the temperature of blowtorch (4) reaches threshold value.

9. a kind of method of OVD manufacture preform as claimed in claim 7, which is characterized in that real using diameter measurer When measure the outer diameter of the loosening body (1), and outer diameter data are sent to control device, specifically included:

Obtain the outline dimensional drawing of the loosening body (1) in real time using the camera (6) in diameter measurer；

Analysis module in diameter measurer determines the outer diameter data of the loosening body (1) according to the outline dimensional drawing, and by institute It states outer diameter data and is sent to the control device.

10. a kind of method of OVD manufacture preform as claimed in claim 9, which is characterized in that control device judges institute Whether within a preset range state outer diameter data, to cause the flow of the blowtorch (4) of loosening body (1) outer diameter not within a preset range into Row adjustment.

Technical field

The present invention relates to optical fiber fabrication arts, and in particular to a kind of intelligence control system of OVD manufacture preform and Method.

Background technique

With the fast development of optical communications industry, the intensified competition of Optical Fiber Market, for preform manufacturer Speech carries out intelligent production upgrading, improves preform quality, cost efficiency, improving the market competitiveness has been trend of the times.

Telecommunication optical fiber manufacturing field, mainstream technology technique are that (Axial Vapor Deposition, axial gas phase are heavy by VAD Product) in conjunction with " two-step method " synthesis technology of OVD (Outside Vapor Deposition, Outside Vapor deposition).It uses first VAD method deposition prepares plug, recycles OVD method to deposit surrounding layer, preform is made after loosening body vitrifying.OVD method is adopted Silicon-containing material is burnt with the blowtorch specially designed and generates silica dust, mandrel surface formation preform is injected in and dredges Song Ti.Blowtorch is generally connected with carrier gas, silicon-containing material, fuel, combustion-supporting gas, auxiliary gas, by the flow for changing these gases Flame status and deposition effect can be adjusted with ratio.

The intelligence degree that existing OVD method prepares preform is not high, needs to pay close attention to the variation of sedimentation state, people constantly To adjust manufacturing parameter, production efficiency is low, and stability is poor.The uniform external diameter and density of loosening body are mostly important index ginsengs Number, significantly affects the performance of optical fiber, current production technology can not real-time control these index parameters, once flame status and heavy Cumuliformis state changes, these parameters just will appear larger fluctuation, causes scrap of the product.

Summary of the invention

In view of the deficiencies in the prior art, the outer of loosening body can accurately be controlled the purpose of the present invention is to provide a kind of The intelligence control system of the OVD manufacture preform of diameter size, weight and density.

To achieve the above objectives, the technical solution adopted by the present invention is that:

A kind of intelligence control system of OVD manufacture preform, comprising:

Support device, is used to clamp plug to be processed, and the support device is equipped with weighing sensor, the weighing Weight of the sensor for loosening body on real-time measurement plug；

At least one blowtorch is arranged in the support device；

Diameter measurer is used for the outer diameter of loosening body described in real-time measurement；And

Control device is used to receive the weight data that the weighing sensor is sent and the outer diameter number that diameter measurer is sent According to, and the flow of the blowtorch according to the weight data and outer diameter data point reuse, make outer diameter and the density position of the loosening body In in preset range.

Based on the above technical solution, the intelligence control system further includes at least one thermal imaging system, the heat Imager correspond to the temperature of blowtorch for real-time monitoring, and triggering is alarmed when the temperature of the blowtorch in monitoring reaches threshold value.

Based on the above technical solution, the intelligence control system includes six spaced blowtorch and three A spaced thermal imaging system, each thermal imaging system are used to monitor the temperature of two blowtorch.

Based on the above technical solution, the diameter measurer includes:

Camera is used to obtain the outline dimensional drawing of the loosening body in real time；

Analysis module, determines the outer diameter data of the loosening body according to the outline dimensional drawing, and by the outer diameter number According to being sent to the control device.

Based on the above technical solution, whether the control device is for judging the outer diameter data in preset range It is interior, the flow for leading to the blowtorch of loosening body outer diameter not within a preset range is adjusted.

Based on the above technical solution, the preset range of the outer diameter of the loosening body is in mean outside diameter ± 2mm.

It is another object of the present invention to provide a kind of outer diameter that can accurately control loosening body, weight and density The method of OVD manufacture preform.

To achieve the above objectives, the technical solution adopted by the present invention is that:

A kind of method of OVD manufacture preform, method includes the following steps:

Plug to be processed is clamped in support device；

Blowtorch is lighted, silica is made to be deposited on the surface of plug to form loosening body；

Control device is sent to using the weight of loosening body described in weighing sensor real-time measurement, and by weight data；

Control device is sent to using the outer diameter of loosening body described in diameter measurer real-time measurement, and by outer diameter data；

The flow of control device blowtorch according to the weight data and outer diameter data point reuse makes the outer of the loosening body Diameter and density are located in preset range.

Based on the above technical solution, the temperature of blowtorch is corresponded to using multiple thermal imaging system real-time monitorings, and is being sprayed Triggering alarm when the temperature of lamp reaches threshold value.

Based on the above technical solution, using the outer diameter of loosening body described in diameter measurer real-time measurement, and by outer diameter Data are sent to control device, specifically include:

Obtain the outline dimensional drawing of the loosening body in real time using the camera in diameter measurer；

Analysis module in diameter measurer determines the outer diameter data of the loosening body according to the outline dimensional drawing, and by institute It states outer diameter data and is sent to the control device.

Based on the above technical solution, whether within a preset range control device judges the outer diameter data, to leading The flow of the blowtorch of loosening body outer diameter not within a preset range is caused to be adjusted.

Compared with the prior art, the advantages of the present invention are as follows:

In the present invention OVD manufacture preform intelligence control system comprising weighing sensor, diameter measurer and Control device.Be provided with weighing sensor after, can the weight in real time to loosening body on plug be monitored, be provided with After diameter measurer, the outer diameter for observing and obtaining loosening body can be very good, and by outer diameter data feedback to control device.Control Device processed can correspond to after receiving the weight data that the weighing sensor is sent and the outer diameter data that diameter measurer is sent Go adjustment blowtorch flow, so as to accurately control the outer dimension, weight and density of loosening body.Intelligence in the present invention Control system can promote OVD method to prepare the intelligent production of preform realization, save human resources, reduce manual operation mistake Accidentally, it improves production efficiency and product quality.

Detailed description of the invention

Fig. 1 is the front view of intelligence control system in the embodiment of the present invention；

Fig. 2 is intelligence control system top view in the embodiment of the present invention.

In figure: 1- loosening body, 2- support device, 3- weighing sensor, 4- blowtorch, 5- thermal imaging system, 6- camera.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention；Term " first ", " second ", " third " It is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance；In addition, unless otherwise specific regulation and limit Fixed, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition Understand the concrete meaning of above-mentioned term in the present invention.

Shown in Figure 1, the embodiment of the present invention provides a kind of intelligence control system of OVD manufacture preform, packet Include support device 2, weighing sensor 3, at least one blowtorch 4, diameter measurer and control device.

Wherein, support device 2 are used to clamp plug to be processed.The support device 2 is equipped with weighing sensor 3, Weight of the weighing sensor 3 for loosening body 1 on real-time measurement plug.

Support device 2 in the present embodiment includes two spaced brackets, in manufacture preform, it is only necessary to will Plug is fixed between two supports.Weighing sensor 3 is separately positioned on each bracket, there are two having altogether due to light For fine prefabricated rods during production, the flame of blowtorch 4 forms silica dust, is deposited on mandrel surface and forms loosening body 1, The deposition weight of loosening body 1 can gradually increase under the action of blowtorch 4, can be automatically after being provided with weighing sensor 3 Deposition weight is monitored in real time.

At least one blowtorch 4 is arranged in the support device 2.The quantity of blowtorch 4 in the present embodiment can basis Actual conditions reasonably select, for example can determine blowtorch according to the spacing distance between the length of loosening body 1 and two blowtorch 4 4 quantity.

Diameter measurer is used for the outer diameter of loosening body 1 described in real-time measurement.Preferably, described in the present embodiment is calibrated Device includes camera 6 and analysis module.

Wherein, camera 6 is used to obtain the outline dimensional drawing of the loosening body 1 in real time.In order to obtain better effect, take the photograph As head 6 can use high-definition camera.

Analysis module determines the outer diameter data of the loosening body 1 according to the outline dimensional drawing, and by the outer diameter data It is sent to the control device.

Control device is used to receive the weight data that the weighing sensor 3 is sent and the outer diameter that diameter measurer is sent Data, and the flow of the blowtorch 4 according to the weight data and outer diameter data point reuse make the outer diameter of the loosening body 1 and close Degree is located in preset range.

Specifically, whether within a preset range the control device for judging the outer diameter data, it is described thin to causing The flow of the blowtorch 4 of loose 1 outer diameter of body not within a preset range is adjusted.During manufacturing preform, loosening body 1 It is upper along its length it is possible that the inconsistent situation of outer diameter, that is, show as the excessively thick or meticulous outer diameter situation of outer diameter, It needs the overall diameter dimensions to loosening body 1 to be monitored thus, multiple blowtorch may be used when manufacturing preform 4, usually, lead to that outer diameter is excessively thick or outer diameter is meticulous, be because the flow control of blowtorch 4 is improper and caused by, therefore need The flow for causing outer diameter is excessively thick or outer diameter is meticulous blowtorch 4 is regulated and controled, until outer diameter data within a preset range until.

Preferably, the preset range of the outer diameter of the loosening body 1 is to here preset at range certainly in mean outside diameter ± 2mm Also it can according to need and be adjusted.

The principle of the intelligence control system in the present embodiment is made below and being illustrated:

First by the preform loosening body high definition picture in high-definition camera shooting deposition, analysis module is to high definition figure Piece is analyzed, and is found the edge contour of loosening body 1, is calculated the volume of loosening body 1, and identify that preset range outer diameter is thicker With thinner position, when some position outer diameter is more than mean outside diameter ± 2mm, control device passes through the corresponding spray of control abnormal position The air flow rates such as carrier gas, silicon-containing material, burning gases, the combustion-supporting gas of lamp 4 adjust uniform external diameter, until outside diameter tolerance returns To within ± the 2mm of average value.Control device can be according to the weight and diameter measurer for the loosening body 1 that weighing sensor 3 measures The density of loosening body 1 is calculated in the outer diameter of the loosening body 1 measured, when 1 density of loosening body is too low, improves spray by control The burning gases and combustion-supporting gas flow of lamp 4 improve loose volume density；When 1 density of loosening body is excessively high, by reducing blowtorch 4 Burning gases and combustion-supporting gas flow reduce the density of loosening body 1.To can outer diameter to loosening body 1, again Amount and density are accurately controlled.

In addition, the control device is also equipped with automatic shutdown function, when deposition weight reaches designated value, control device is opened Dynamic shutdown procedure, completes deposition operation.

Preferably, the intelligence control system in the present embodiment further includes at least one thermal imaging system 5, the thermal imaging system 5 The temperature of blowtorch 4 is corresponded to for real-time monitoring, and alarm is triggered when the temperature of the blowtorch of monitoring 4 reaches threshold value.

Further, the intelligence control system includes that six spaced blowtorch 4 and three are spaced The thermal imaging system 5, each thermal imaging system 5 are used to monitor the temperature of two blowtorch 4.In the present embodiment, each blowtorch 4 is monitored To a maximum temperature, if single blowtorch maximum temperature deviates 10% or more average maximum, it is determined as that sedimentation state is different Often, triggering alarm.The criterion can be adjusted according to the actual situation.

In conclusion the intelligence control system of the OVD manufacture preform in the present invention comprising weighing sensor 3, Diameter measurer and control device.After being provided with weighing sensor 3, the weight to loosening body 1 on plug it can carry out in real time Monitoring can be very good the outer diameter for observing and obtaining loosening body 1, and outer diameter data are anti-after being provided with diameter measurer It is fed to control device.Control device is receiving the weight data that the weighing sensor 3 is sent and the outer diameter that diameter measurer is sent After data, corresponding can remove the flow of adjustment blowtorch 4, so as to accurately control the outer dimension of loosening body 1, weight and Density.Intelligence control system in the present invention can promote OVD method to prepare the intelligent production of preform realization, save manpower Resource reduces human operational error, improves production efficiency and product quality.

The embodiment of the present invention also provides a kind of method of OVD manufacture preform, method includes the following steps:

Plug to be processed is clamped in support device 2；

Blowtorch 4 is lighted, silica is made to be deposited on the surface of plug to form loosening body 1；

Using the weight of loosening body 1 described in 3 real-time measurement of weighing sensor, and weight data is sent to control device；

Control device is sent to using the outer diameter of loosening body 1 described in diameter measurer real-time measurement, and by outer diameter data；

The flow of control device blowtorch 4 according to the weight data and outer diameter data point reuse, makes the loosening body 1 Outer diameter and density are located in preset range.

Further, the temperature of blowtorch 4 is corresponded to using multiple 5 real-time monitorings of thermal imaging system, and is reached in the temperature of blowtorch 4 Alarm is triggered when threshold value.

Further, using the outer diameter of loosening body 1 described in diameter measurer real-time measurement, and outer diameter data are sent to control Device specifically includes:

Obtain the outline dimensional drawing of the loosening body 1 in real time using the camera 6 in diameter measurer；

Analysis module in diameter measurer determines the outer diameter data of the loosening body 1 according to the outline dimensional drawing, And the outer diameter data are sent to the control device.

Further, the temperature of blowtorch 4 is corresponded to using 5 real-time monitoring of thermal imaging system, and is reached in the temperature of the blowtorch of monitoring 4 Triggering alarm when to threshold value.In the present embodiment, each monitoring of blowtorch 4 obtains a maximum temperature, if single blowtorch maximum temperature Deviate 10% or more average maximum, is then determined as sedimentation state exception, triggering alarm.The criterion can be according to practical feelings Condition is adjusted.

Further, the quantity of the blowtorch 4 is six, and the quantity of the thermal imaging system 5 is three, each thermal imaging system The temperature of 5 two blowtorch 4 of monitoring.The preferred quantity of blowtorch 4 is six in the present embodiment, it is worth noting that the quantity of blowtorch 4 Can reasonably select according to the actual situation, for example, can according to the spacing distance between the length of loosening body 1 and two blowtorch 4 come It determines the quantity of blowtorch 4, then determines the quantity of thermal imaging system 5 again.

Further, whether within a preset range control device judges the outer diameter data, to leading to 1 outer diameter of loosening body not The flow of blowtorch 4 within a preset range is adjusted.Preferably, the preset range of the outer diameter of the loosening body 1 is average outer In diameter ± 2mm.

The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.