CN203965661U - High-efficiency heating groove and optical fiber splicer for optical fiber splicer - Google Patents
High-efficiency heating groove and optical fiber splicer for optical fiber splicer Download PDFInfo
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- CN203965661U CN203965661U CN201420372104.0U CN201420372104U CN203965661U CN 203965661 U CN203965661 U CN 203965661U CN 201420372104 U CN201420372104 U CN 201420372104U CN 203965661 U CN203965661 U CN 203965661U
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Abstract
The utility model discloses a kind of optical fiber splicer high-efficiency heating groove and optical fiber splicer, it comprises stainless steel heated substrate layer, described stainless steel heated substrate layer comprises interconnected two hot faces, the outside of described each hot face print successively by thick film silk-screen printing technique be provided with insulating medium layer, resistance value is that 4.7 ± 0.5 Ω, power density are 10-20W/cm
2, temperature coefficient is heating resistor layer, transition point conductor layer and the glass protection glaze layer of 1500 ± 150ppm/ DEG C.Described optical fiber splicer is provided with above-mentioned heating tank.Heating tank of the present utility model has effectively improved heat conduction efficiency, heating tank can be rapidly heated to 200 DEG C in 6 seconds, and heating tank of the present utility model also has advantages of that cost is low, is easy to moulding and making in addition; The resistance to elevated temperatures that glass protection glaze layer can meet heating tank is set simultaneously.
Description
Technical field
The utility model relates to optical fiber fusion welding technology field, and particularly a kind of optical fiber splicer is with high-efficiency heating groove and use the optical fiber splicer of this heating tank.
Background technology
Fibre-optical splice welding generally includes two main processes, the one, fusion process, comprise propelling, aim at, put point, loss estimation, the 2nd, pyrocondensation process, after optical fiber hot melt continues, need cover fusion point with heat-shrinkable T bush, the heating tank of heat-shrinkable T bush being put into shrinkage apparatus carries out pyrocondensation reinforcing, wherein from 9 seconds to 15 seconds not etc., this time there is no the space of saving to the heat sealing machine required time of first process different manufacturers; For second process, the outer heat sealing machine fusing point of Present Domestic fixedly comprises two processes, one is heating process, and another is the cooling procedure after heating, and the cooling procedure time is shorter at present, it is only several seconds, heating process required time is longer, and generally, about 35 seconds, wherein the heating process time is grown and causes the pyrocondensation time long, efficiency is low, causes long main cause of heating process time to have following 2 points:
1. the heater block of existing heat sealing machine heating tank can not be rapidly heated: existing heat sealing machine heater block is generally the heating plate of aluminium parcel ceramic material, and the temperature rise ability of ceramic heating flake can reach 200 degree more than being generally heating 20s; The heater block of indivedual heat sealing machine heating tanks uses PI(polyimide) heating film is by gluing parcel aluminium, thereby improve temperature rise ability, but the high temperature resistant colloid that PI heating film is connected with aluminium belongs to blockade class technology, only has at present Japan and American-European countries to produce, expensive; In addition, improve heat conduction efficiency although PI heating film can do flexible moulding, its finished product, also because power density is excessive, can not large area heat, only can be to local small size temperature rise, and logical heat transfer extends to both sides; And its aluminium base material conducting strip, high temperature can produce aluminium ion, likely long-term user's health is threatened;
2. the heat conduction efficiency of existing heat sealing machine heating tank structure is low: existing heating tank is generally flat U-shaped structure, and the heating tank of this shape surface of contact of heating tank and heat-shrinkable T bush in pyrocondensation process is only a limit, and heat transfer area is little, and conduction efficiency is low.
Utility model content
The utility model provides a kind of optical fiber splicer high-efficiency heating groove, to solve the above-mentioned defect existing in prior art.
The utility model also provides a kind of optical fiber splicer that is provided with above-mentioned high-efficiency heating groove, to solve the above-mentioned defect existing in prior art.
The technical solution of the utility model is as follows:
A kind of optical fiber splicer high-efficiency heating groove, it comprises stainless steel heated substrate layer, described stainless steel heated substrate layer comprises interconnected two hot faces, the outside of described each hot face print successively by thick film silk-screen printing technique be provided with insulating medium layer, resistance value is that 4.7 ± 0.5 Ω, power density are 10-20W/cm
2, temperature coefficient is heating resistor layer, transition point conductor layer and the glass protection glaze layer of 1500 ± 150 ppm/ DEG C; Wherein, described heating resistor comprises: relatively thick interlaminated resistance part and thickness by centre to two ends the continuous or stepped two ends active component successively decreasing; Or described heating resistor comprises: the interlaminated resistance part that power density is relatively little and power density is continuous or the two ends active component of stepped increase.
Optical fiber splicer of the present utility model high-efficiency heating groove, the concrete structure setting of making optical fiber splicer heating tank using stainless steel as heated substrate is provided, there is excellent heat conductivility although solved stainless steel, utilize prior art can not be directly used in the technical matters in the heating tank field of optical fiber splicer.Heating tank of the present utility model can be selected the Stainless Steel of heat conductivility excellence.The object of above-mentioned electric resistance structure setting is that the distribution of the resistance value to heating resistor is optimized, make the resistance value at two ends, left and right of heating resistor continuous or steppedly successively decrease to centre, artificial two ends, heating resistor left and right and the middle resistance difference adjusted, realize the homogenising of the thermal imaging figure of heating tank surface of contact, reduce the temperature approach of thermal imaging figure interlude and left and right end, directly improve temperature rise effect, shorten the temperature rise time.
Preferably, the thickness of described stainless steel heated substrate layer is 0.2-0.5mm.
Preferably, the inside surface of described heating tank is provided with black high temp resistance anti-stick coating.
In preferred implementation of the present utility model, between described two hot faces or its extension plane, form an angle that can make described two hot faces contact with the outside surface linearity of heat-shrinkable T bush all the time.Heating tank is set to above-mentioned shape, makes two the limit preheatings simultaneously of circular heat-shrinkable T bush, even in the process that pyrocondensation declines, also keep in touch, can increase substantially the heat conduction efficiency of pyrocondensation process.
Preferably, the angle of described two hot faces is 58-62 °.
Preferably, the junction of described two hot faces is wedge angle type, circular arc or plane.
Preferably, described heating tank is V-type heating tank.
A kind of optical fiber splicer, it is provided with shrinkage apparatus, and described shrinkage apparatus comprises heating tank, it is characterized in that, and this heating tank is above-mentioned arbitrary optical fiber splicer high-efficiency heating groove.
In scheme of the present utility model, the material selection stainless steel of heating tank, is preferably the stainless steel of heat conductivility excellence.Although stainless steel heat conductivility excellence is well-known, for how setting it as heated substrate does not have in the prior art successful scheme for the heating tank of optical fiber splicer and can use for reference.The utility model by being printed and established the functional structures such as insulating medium layer, heating resistor layer, transition point conductor layer, glass protection glaze layer by thick film silk-screen printing technique on Stainless Steel heated substrate; successfully stainless steel material is applied in to the heating tank field of optical fiber splicer, and greatly shortened the temperature rise time in pyrocondensation process.
The preparation of the utility model heating tank is included in each hot face outside of described stainless steel heated substrate and prints successively insulating medium, heating resistor, transition point conductor, glass protection glaze by thick film silk-screen printing technique; wherein to select resistance value be 4.7 ± 0.5 Ω to every heating resistor, and power density is 10-20W/cm
2,temperature coefficient is the short heating resistor of temperature rise time of 1500 ± 150 ppm/ DEG C.
Compared with prior art, the beneficial effects of the utility model are as follows:
The one, the utility model by being printed and established the functional structures such as insulating medium layer, heating resistor layer, transition point conductor layer, glass protection glaze layer by thick film silk-screen printing technique on Stainless Steel heated substrate, successfully stainless steel material is applied in to the heating tank field of optical fiber splicer, and greatly shortened the temperature rise time in pyrocondensation process;
The 2nd, heating tank starting material of the present utility model and low cost of manufacture, be easy to moulding and making;
The 3rd. heating tank of the present utility model is by arranging heating tank shape, make two the limit preheatings simultaneously of circular heat-shrinkable T bush, even if in the process that pyrocondensation declines, also keep in touch with hot face all the time, can increase substantially the heat conduction efficiency of pyrocondensation process.
Certainly, implement arbitrary product of the present utility model and might not need to reach above-described all advantages simultaneously.
Brief description of the drawings
Fig. 1 is the heating tank pyrocondensation process schematic diagram of the utility model preferred implementation;
Fig. 2 is the heated substrate of heating tank of the present utility model and the structural representation of heating resistor;
Fig. 3 is the thermal imaging figure of heating tank surface of contact after the uniform heating resistor of the resistance value distribution of heating tank of the present utility model heats up;
Fig. 4 A (1), 4A (2), several preferred distribution profiles of the heating resistor value that 4A (3) is heating tank of the present utility model;
Fig. 4 B is the thermal imaging figure of heating tank surface of contact after the heating resistor of the distribution of heating resistor value shown in Fig. 4 A (1) heats up;
Fig. 5 is the schematic diagram that uses the heat sealing machine of heating tank of the present utility model;
Fig. 6 A is the perspective view that uses the shrinkage apparatus of the heat sealing machine of heating tank of the present utility model, and Fig. 6 B is the cross-sectional view that uses the shrinkage apparatus of the heat sealing machine of heating tank of the present utility model;
Fig. 7 is the perspective view of the heating tank of the utility model embodiment 1;
Fig. 8 is the temperature rise curve of the heating tank of the utility model embodiment 1.
Embodiment
The utility model provides a kind of optical fiber splicer high-efficiency heating groove, it comprises stainless steel heated substrate layer, described stainless steel heated substrate layer comprises interconnected two hot faces, the outside of described each hot face print successively by thick film silk-screen printing technique be provided with insulating medium layer, resistance value is that 4.7 ± 0.5 Ω, power density are 10-20W/cm
2, temperature coefficient is heating resistor layer, transition point conductor layer and the glass protection glaze layer of 1500 ± 150 ppm/ DEG C; Wherein, described heating resistor comprises: relatively thick interlaminated resistance part and thickness by centre to two ends the continuous or stepped two ends active component successively decreasing; Or described heating resistor comprises: the interlaminated resistance part that power density is relatively little and power density is continuous or the two ends active component of stepped increase.
Optical fiber splicer of the present utility model high-efficiency heating groove, the concrete structure setting of making optical fiber splicer heating tank using stainless steel as heated substrate is provided, there is excellent heat conductivility although solved stainless steel, utilize prior art can not be directly used in the technical matters in the heating tank field of optical fiber splicer.Heating tank of the present utility model can be selected the Stainless Steel of heat conductivility excellence.The object of above-mentioned electric resistance structure setting is that the distribution of the resistance value to heating resistor is optimized, make the resistance value at two ends, left and right of heating resistor continuous or steppedly successively decrease to centre, artificial two ends, heating resistor left and right and the middle resistance difference adjusted, realize the homogenising of the thermal imaging figure of heating tank surface of contact, reduce the temperature approach of thermal imaging figure interlude and left and right end, directly improve temperature rise effect, shorten the temperature rise time.
In preferred implementations more of the present utility model, the thickness of described stainless steel heated substrate layer is 0.2-0.5mm.
In preferred implementations more of the present utility model, the inside surface of described heating tank is provided with black high temp resistance anti-stick coating.
Refer to Fig. 1, for heat-shrinkable T bush carries out the schematic diagram of pyrocondensation process in the heating tank of above-mentioned preferred version of the present utility model.Wherein label 1 represents heating tank, and label 2 represents heat-shrinkable T bush.
In preferred implementation of the present utility model, between two hot faces of heating tank 1 or its extension plane, form an angle that can make these two hot faces contact with the outside surface linearity of heat-shrinkable T bush 2 all the time.Heating tank is set to above-mentioned shape, makes circular heat-shrinkable T bush 2 two limit preheatings simultaneously, even in the process that pyrocondensation declines, also keep in touch, can increase substantially the heat conduction efficiency of pyrocondensation process.
In embodiment of the present utility model, two hot faces or its angle of extending the angle between plane are not particularly limited, further preferred, above-mentioned angle angle is 58-62 °.
The preparation method of the utility model heating tank comprises: on two hot faces of stainless steel heated substrate, print successively respectively the structures such as insulating medium layer, heating resistor layer, transition point conductor layer, glass protection glaze layer by thick film silk-screen printing technique; the position relationship of heating resistor and heated substrate is referring to Fig. 2; wherein; label 11 represents heated substrate, and label 12 represents heating resistor and attached protective seam thereof--glass protection glaze.For heating tank of the present utility model, the selection of heating resistor is also very important, and resistance value is too large, can cause pyrocondensation temperature too low, and the heat-shrinkable T bush pyrocondensation time increases; Resistance is too little, and conventional 10-12V voltage band is motionless, so, through many experiments, obtaining the most rational scope is as follows: the resistance value of every heating resistor is set as 4.7 ± 0.5 Ω, is 10-12V according to current conventional voltage range, and can calculate power density is 10-20W/cm
2, within the scope of this, heat-shrinkable T bush pyrocondensation smoothly.
In the utility model, adopt the heating tank of above scheme to use the uniform heating resistor of resistance value distribution to carry out test of many times discovery, when control resistive heater temperature is no more than critical value (being generally 250 DEG C), two ends, the left and right temperature increase of heating tank is slow, referring to Fig. 3, this figure is the temperature thermograph after whole heating tank surface of contact heats up, wherein A, B represents heating tank two ends, in figure, can see that the temperature of heating tank centre and the temperature-difference at two ends are very large, directly cause two ends heat-shrinkable T bush pyrocondensation effect bad, cause two ends pyrocondensation slower, the entirety pyrocondensation time lengthens, therefore, the utility model improves the structure of heating resistor, by adjusting the print thickness at two ends, heating resistor left and right or selecting the material of different capacity density, be specifically as follows, in the time of printing heating resistor, interlaminated resistance is brushed thick, two ends brush is thin, or printing is when heating resistor, the middle relatively little resistance material of power density that adopts, two ends adopt the relatively large resistance material of power density, so that heating resistor two ends resistance value is greater than interlaminated resistance value, and by adjust the power density of heating resistor two ends and middle concrete thickness or material reach the resistance value that makes heating resistor by two ends to centre continuous or stepped effect of successively decreasing, referring to Fig. 4 A (1), 4A (2), 4A (3), wherein show the resistance value curve synoptic diagram of several preferred heating resistors, in figure, A ' and B ' represent that (round dot of two black represents to be connected the transition point conductor of wire and resistance wire for the two ends of heating resistor, above-mentioned wire connects mainboard), visible in figure, in resistance value curve shown in Fig. 4 A (1), the resistance value of heating resistor is successively decreased to centre continuously by two ends, Fig. 4 A (2), in resistance value curve shown in Fig. 4 A (3), the resistance value of heating resistor is successively decreased to scala media scalariform by two ends, wherein stepped ladder classification of successively decreasing is not limit, can successively decrease for two-stage is stepped, for example Fig. 4 A (2), also can be multistage stepped successively decreasing, for example Fig. 4 A (3) is depicted as 4 grades of stepped successively decreasing, in addition, the utility model has also comprised all other attainable stepped modes of successively decreasing.The utility model is artificially adjusted two ends, heating resistor left and right and middle resistance difference by the way, can realize to a great extent the homogenising of the thermal imaging figure of heating tank surface of contact, (still there is the temperature difference in the temperature approach that reduces thermal imaging figure interlude and left and right end, while facilitating pyrocondensation, in pipe, gas is discharged), referring to Fig. 4 B, this figure be provided with heating resistor value shown in 4A (1) distribute heating resistor heating tank surface of contact heat up after temperature thermograph, wherein A ' and B ' represent heating tank two ends, in figure, can find out, adopt this structure setting of the heating resistor that shown in Fig. 4 A (1), heating resistor value distributes can directly improve heating tank temperature rise effect, shorten the temperature rise time.
In addition,, in order to solve the problem of the sticky heating tank of heat-shrinkable T bush, preferably the inside surface of heating tank is done to the processing of black high temp resistance anti-stick coating.
Use the schematic diagram of optical fiber splicer of the present utility model referring to Fig. 5, this optical fiber splicer is provided with shrinkage apparatus 3, the upper surface that shrinkage apparatus 3 is arranged on optical fiber splicer conventionally from operator away from a side.Referring to Fig. 6 A and Fig. 6 B, above-mentioned shrinkage apparatus 3 generally includes the fixture 31 that is located at its two ends, heated seats shell 32, and be laterally placed on the heating tank 1 in centre position, particularly can be preferred, heating tank 1 is V-type heating tank, and this V-type heating tank is fixing by a high temperature resistant bracing frame 33 of V-type, then by screw 34, this bracing frame 33 is fixed on heated seats shell 32.
Below with specific embodiment, the utility model is further described.
Embodiment 1
Referring to Fig. 7, be the heating tank of the present embodiment, it adopts the thick V-type SUS430 Stainless Steel of 0.4mm plate as heated substrate, angle between two hot faces is 58 ± 1 °, wherein, the resistance value that is printed on the heating resistor in hot face outside is 4.7 ± 0.2 Ω, and power density is 10-20W/cm
2this heating resistor comprises the two ends active component that relatively thick interlaminated resistance part and thickness are successively decreased to two ends continuously by centre, its shape is as shown in Fig. 4 A (1), it is the resistance material of 1500 ± 150 ppm/ DEG C that heating resistor is selected temperature coefficient, to the inside surface of heating tank, stainless inside surface does the processing of black high temp resistance anti-stick coating.
Use the heating tank of the present embodiment to carry out temperature rise experiment, reach following effect: the pyrocondensation time of the about 1.3mm standard of long 60mm internal diameter heat-shrinkable T bush can foreshorten to 14-16s, heating tank internal temperature rise curve is as Fig. 8, and the gradient of this curve can illustrate that the time of arrival ideal temperature is very fast.Middle pyrocondensation process required time, generally about 35 seconds, uses heating tank of the present utility model greatly to improve the efficiency of optical fiber hot melt compared to existing technology.
Disclosed the utility model preferred embodiment is just for helping to set forth the utility model above.Preferred embodiment does not have all details of detailed descriptionthe, and also not limiting this utility model is only described embodiment.Obviously,, according to the content of this instructions, can make many modifications and variations.These embodiment are chosen and specifically described to this instructions, is in order to explain better principle of the present utility model and practical application, thereby under making, technical field technician can understand and utilize the utility model well.The utility model is only subject to the restriction of claims and four corner and equivalent.
Claims (8)
1. an optical fiber splicer high-efficiency heating groove, it is characterized in that, it comprises stainless steel heated substrate layer, described stainless steel heated substrate layer comprises interconnected two hot faces, the outside of described each hot face print successively by thick film silk-screen printing technique be provided with insulating medium layer, resistance value is that 4.7 ± 0.5 Ω, power density are 10-20W/cm
2, temperature coefficient is heating resistor layer, transition point conductor layer and the glass protection glaze layer of 1500 ± 150 ppm/ DEG C; Wherein, described heating resistor comprises: relatively thick interlaminated resistance part and thickness by centre to two ends the continuous or stepped two ends active component successively decreasing; Or described heating resistor comprises: the interlaminated resistance part that power density is relatively little and power density is continuous or the two ends active component of stepped increase.
2. optical fiber splicer as claimed in claim 1 high-efficiency heating groove, is characterized in that, the thickness of described stainless steel heated substrate layer is 0.2-0.5mm.
3. optical fiber splicer as claimed in claim 1 or 2 high-efficiency heating groove, is characterized in that, the inside surface of described heating tank is provided with black high temp resistance anti-stick coating.
4. optical fiber splicer as claimed in claim 1 high-efficiency heating groove, is characterized in that, forms an angle that can make described two hot faces contact with the outside surface linearity of heat-shrinkable T bush all the time between described two hot faces or its extension plane.
5. optical fiber splicer high-efficiency heating groove as described in claim 4, is characterized in that, the angle of described two hot faces is 58-62 °.
6. the optical fiber splicer high-efficiency heating groove as described in claim 1 or 4 or 5, is characterized in that, the junction of described two hot faces is wedge angle type, circular arc or plane.
7. optical fiber splicer as claimed in claim 6 high-efficiency heating groove, is characterized in that, described heating tank is V-type heating tank.
8. an optical fiber splicer, it is provided with shrinkage apparatus, and described shrinkage apparatus comprises heating tank, it is characterized in that, and this heating tank is the high-efficiency heating groove of the optical fiber splicer described in any one in claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420372104.0U CN203965661U (en) | 2013-07-24 | 2014-07-04 | High-efficiency heating groove and optical fiber splicer for optical fiber splicer |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103129128A CN103376506A (en) | 2013-07-24 | 2013-07-24 | High-efficiency heating tank for optical fiber fusion splicer and optical fiber fusion splicer |
| CN201310312912.8 | 2013-07-24 | ||
| CN201420372104.0U CN203965661U (en) | 2013-07-24 | 2014-07-04 | High-efficiency heating groove and optical fiber splicer for optical fiber splicer |
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| Publication Number | Publication Date |
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| CN203965661U true CN203965661U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103129128A Pending CN103376506A (en) | 2013-07-24 | 2013-07-24 | High-efficiency heating tank for optical fiber fusion splicer and optical fiber fusion splicer |
| CN201420372104.0U Expired - Fee Related CN203965661U (en) | 2013-07-24 | 2014-07-04 | High-efficiency heating groove and optical fiber splicer for optical fiber splicer |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013103129128A Pending CN103376506A (en) | 2013-07-24 | 2013-07-24 | High-efficiency heating tank for optical fiber fusion splicer and optical fiber fusion splicer |
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| CN (2) | CN103376506A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827195A (en) * | 2015-04-29 | 2015-08-12 | 苏州华徕光电仪器有限公司 | Simple and fast fusion welding device for optical fiber |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6628247B2 (en) * | 2016-05-19 | 2020-01-08 | Ｓｅｉオプティフロンティア株式会社 | Device for reinforcing optical fiber fusion splice and fusion splicer equipped therewith |
| CN105938220A (en) * | 2016-06-01 | 2016-09-14 | 中国电子科技集团公司第四十研究所 | Heater used for protecting fiber thermal shrinkable sleeve |
| CN106646750A (en) * | 2016-10-31 | 2017-05-10 | 广东藤友通信科技有限公司 | Novel split type heating device for fiber splicer and the fiber splicer |
| CN107045159A (en) * | 2017-06-08 | 2017-08-15 | 诺仪器（中国）有限公司 | Optical fiber splicer new and effective heating tank and optical fiber splicer |
| CN108333683B (en) * | 2017-11-28 | 2023-12-19 | 华兴新锐通信科技集团有限公司 | Automatic remove optical fiber fusion splicer and use heating tank subassembly |
| CN110749958B (en) * | 2019-11-01 | 2020-06-19 | 西安光谷防务技术股份有限公司 | Temperature control method for heating groove of optical fiber fusion splicer |
| CN111025480A (en) * | 2019-12-20 | 2020-04-17 | 中电科仪器仪表(安徽)有限公司 | Heating tank assembly for optical fiber fusion splicer |
| CN111918427A (en) * | 2020-08-10 | 2020-11-10 | 浙江豪能新能源有限公司 | Surface heating sheet and manufacturing method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005257855A (en) * | 2004-03-10 | 2005-09-22 | Sumitomo Electric Ind Ltd | Heat treatment apparatus and method of heat treatment for optical fiber reinforcement member, and optical fiber connection apparatus by fusion |
| JP4532251B2 (en) * | 2004-12-14 | 2010-08-25 | 古河電気工業株式会社 | Heating method of optical fiber connection portion reinforcing sleeve and heating apparatus used therefor |
| JP2006201264A (en) * | 2005-01-18 | 2006-08-03 | Fujikura Ltd | Heating device for heat contraction sleeve for reinforcing optical fiber splicing part, and optical fiber |
| KR20080112895A (en) * | 2007-06-22 | 2008-12-26 | 일신테크(주) | Optical fiber interface adapter for carrying along |
| JP5053318B2 (en) * | 2009-03-13 | 2012-10-17 | 古河電気工業株式会社 | Heat shrinkable reinforcing sleeve heating device and fusion splicer |
| CN102548062A (en) * | 2012-01-09 | 2012-07-04 | 罗仕波 | Polyhedral thick film heating device |
-
2013
- 2013-07-24 CN CN2013103129128A patent/CN103376506A/en active Pending
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2014
- 2014-07-04 CN CN201420372104.0U patent/CN203965661U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827195A (en) * | 2015-04-29 | 2015-08-12 | 苏州华徕光电仪器有限公司 | Simple and fast fusion welding device for optical fiber |
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Address after: 264200 Weihai high tech Zone, Tianjin, No. 190 Shandong Road Hospital Patentee after: INNO INSTRUMENT (CHINA). Inc. Patentee after: INNO INSTRUMENT, Inc. Address before: 264200 Weihai high tech Zone, Tianjin, No. 190 Shandong Road Hospital Patentee before: INNO INSTRUMENT (WEI HAI) Inc. Patentee before: INNO INSTRUMENT, Inc. |
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Address after: 264200 Weihai high tech Zone, Tianjin, No. 190 Shandong Road Hospital Patentee after: INNO INSTRUMENT (WEI HAI) Inc. Patentee after: INNO INSTRUMENT, Inc. Address before: 264200 Shandong city of Weihai province Weihai Dalian District Road No. 71 Patentee before: DH INFOTECH (WEIHAI) Inc. Patentee before: INNO INSTRUMENT, Inc. |
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Granted publication date: 20141126 Termination date: 20200704 |