CN205607624U - Receive optic fibre humidity and gas sensor and detection device a little based on oxidation graphite alkene - Google Patents
Receive optic fibre humidity and gas sensor and detection device a little based on oxidation graphite alkene Download PDFInfo
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- CN205607624U CN205607624U CN201521143648.0U CN201521143648U CN205607624U CN 205607624 U CN205607624 U CN 205607624U CN 201521143648 U CN201521143648 U CN 201521143648U CN 205607624 U CN205607624 U CN 205607624U
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Abstract
The utility model discloses a receive optic fibre humidity and gas sensor based on declining of oxidation graphite alkene, including base, upper cover plate and be used for placing the lining seat of examination optic fibre of awaiting measuring, on the upper cover lid fits the base, form a sealed experimental cavity between upper cover plate and the base, the lining set up in in the experimental cavity, still including the humidity generator that is arranged in infeeding the moisture to experimental cavity. The utility model discloses the experimental cavity of the stable business turn over of moisture enables to the accuracy of test has been guaranteed to required humidity when providing the experiment for experimental cavity, and this embodiment still has simple structure, easily makes and low in manufacturing cost's advantage.
Description
Technical field
This utility model relates to a kind of micro-nano fiber sensor based on graphene oxide and device, is specifically related to a kind of micro-nano fiber humidity based on graphene oxide and gas sensor and detection device.
Background technology
The most popular method making micro-nano optical fiber is to add hot-drawn cone method, the micro-nano optical fiber of different-diameter size can be obtained by controlling drawing step number, and we have employed a kind of less conventional method in testing, Fluohydric acid. etch, by control corrosion rate time and number of times, we can obtain the micro-nano optical fiber of different-diameter size, the optical fiber surface obtained in this way is smooth, has the strongest evanscent field simultaneously, is more conducive to sense.
Graphene oxide has extremely strong water absorption and light absorptive, and micro-nano optical fiber has extremely strong evanscent field effect, graphene oxide shows different humidity due to water suction or dehydration under different humidity, thus affect the light absorptive of self, thus change the luminous power passed through from optical fiber, but currently without test device graphene oxide cladded-fiber affected for humidity.
Utility model content
For technical problem present in prior art, the purpose of this utility model is: provide a kind of micro-nano fiber humidity based on graphene oxide and gas sensor.
Of the present utility model another object is that: one detection device is provided.
The purpose of this utility model is achieved through the following technical solutions: a kind of micro-nano fiber humidity based on graphene oxide and gas sensor, including base, upper cover plate and for placing the lining seat of optical fiber to be tested, upper cover plate is covered on base, the test chamber of a sealing is formed between upper cover plate and base, lining seat is arranged in described test chamber, also includes the humidity generator for feeding dampness in test chamber.
Preferably, described lining seat offering two guiding gutters, be testboard between two guiding gutters, described testboard both sides are the connected unit for being fixed up by optical fiber to be tested.
Preferably, two connected units are provided with the double faced adhesive tape for being fixed up by optical fiber to be tested.
Preferably, base is provided with lining seat embedded groove, and described lining seat loads in described lining seat embedded groove, and upper cover plate correspondence lining seat two ends link position is protruding with briquetting respectively, and two briquettings are respectively embedded into lining seat embedded groove and are pressed on lining seat both ends.
Preferably, described upper cover plate offering moisture transport hole, described moisture transport hole is connected with test chamber, and described humidity generator carries dampness by moisture transport hole to test chamber.
Preferably, two moisture transport holes are offered on described upper cover plate, described moisture transport hole is connected with test chamber, it is respectively arranged with deep gouge on described lining seat embedded groove two side, said two moisture transport hole is connected with deep gouge respectively, and described humidity generator carries dampness by said two moisture transport hole to test chamber.
Preferably, also including graphene oxide, the optical fiber to be tested on testboard is the test section after removing covering and being corroded, and graphene oxide is coated on test section.
Preferably, also including graphene oxide, the optical fiber to be tested on testboard is to remove the covering of 0.5cm-1.5cm length and by the test section of Fluohydric acid. corrosion to a diameter of 8 microns to 20 microns, and graphene oxide is coated on test section.
Preferably, described base passes through together with vacuum adhesive bond with upper cover plate.
A kind of detection device, including laser instrument, spectrogrph, drimeter and above-mentioned micro-nano fiber humidity based on graphene oxide and gas sensor, optical fiber to be tested passes micro-nano fiber humidity based on graphene oxide and gas sensor, optical fiber two ends to be tested are connected respectively on laser instrument and spectrogrph, and drimeter is for detecting the humidity in test chamber.
This utility model has such advantages as relative to prior art and effect:
1, this utility model can make moisture stable pass in and out test chamber, thus provide humidity required when testing for test chamber, it is ensured that the accuracy of test, the present embodiment also has simple in construction, the easily fabricated and advantage of low cost of manufacture.
2, the data collected by spectrogrph of the present utility model and drimeter and fiber data contrast time normal, i.e. be can get under different humidity, the graphene oxide impact on fiber-optic transfer power.
Accompanying drawing explanation
Fig. 1 is the structural representation of lining seat of the present utility model.
Fig. 2 is the structural representation of base of the present utility model.
Fig. 3 is the structural representation of upper cover plate of the present utility model.
Fig. 4 is the top view of this utility model upper cover plate.
Fig. 5 is the schematic diagram of this utility model embodiment two.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment one:
A kind of micro-nano fiber humidity based on graphene oxide and gas sensor, including base 1, upper cover plate 2 and for placing the lining seat 4 of optical fiber 3 to be tested, upper cover plate is covered on base, the test chamber of a sealing is formed between upper cover plate and base, lining seat is arranged in described test chamber, also includes the humidity generator for feeding dampness in test chamber.
Preferably, described lining seat offering two guiding gutters 6, be testboard 7 between two guiding gutters, described testboard both sides are the connected unit 8 for being fixed up by optical fiber to be tested.
Preferably, two connected units are provided with the double faced adhesive tape 9 for being fixed up by optical fiber to be tested.
Preferably, base is provided with lining seat embedded groove 10, and described lining seat loads in described lining seat embedded groove, and upper cover plate correspondence lining seat two ends link position is protruding with briquetting 11 respectively, and two briquettings are respectively embedded into lining seat embedded groove and are pressed on lining seat both ends.
Preferably, described upper cover plate offering moisture transport hole 12, described moisture transport hole is connected with test chamber, and described humidity generator carries dampness by moisture transport hole to test chamber.
Preferably, two moisture transport holes are offered on described upper cover plate, described moisture transport hole is connected with test chamber, it is respectively arranged with deep gouge 13 on described lining seat embedded groove two side, said two moisture transport hole is connected with deep gouge respectively, and described humidity generator carries dampness by said two moisture transport hole to test chamber.
Preferably, also including graphene oxide, the optical fiber to be tested on testboard is the test section 14 after removing covering and being corroded, and graphene oxide is coated on test section.
Preferably, also include graphene oxide, optical fiber to be tested on testboard is to remove the covering of 0.5cm-1.5cm length and by the test section of Fluohydric acid. corrosion to a diameter of 8 microns to 20 microns, preferably, optical fiber to be tested is by Fluohydric acid. corrosion to a diameter of 10 microns or 15 microns, and graphene oxide is coated on test section.
Preferably, described base passes through together with vacuum adhesive bond with upper cover plate.It has vacuum and seals and resistance to pressure to select vacuum adhesive to be advantageous in that, can improve overall performance of the present utility model.
Embodiment two:
A kind of detection device, including laser instrument, spectrogrph, drimeter 15 and the micro-nano fiber humidity based on graphene oxide described in embodiment one and gas sensor 16, optical fiber to be tested passes micro-nano fiber humidity based on graphene oxide and gas sensor, optical fiber two ends to be tested are connected respectively on laser instrument and spectrogrph, and drimeter is for detecting the humidity in test chamber.
nullWork process of the present utility model and operation principle: before testing the covering of last for optical fiber to be tested part is removed，For convenience of describing, the optical fiber to be tested eliminating clad section is referred to as test section，The length that covering is removed can be 0.5cm-1.5cm，After removing covering, test section is placed on testboard，Then，By Fluohydric acid., test section is corroded，By test section corrosion to a diameter of 8 microns to 20 microns，Herein，By test section corrosion to a diameter of 10 microns，And owing to offering two guiding gutters on lining seat，Therefore，Unnecessary Fluohydric acid. can be discharged from two guiding gutters，Will not be by the fiber optical corrosive to be tested beyond test section，To ensure the accuracy of test，After etching，Test section coats last layer graphene oxide layer，Then lining seat is loaded in described lining seat embedded groove，The briquetting of upper cover plate is respectively embedded into lining seat embedded groove again and is pressed on lining seat both ends，Now serve as a contrast seat、Lining seat embedded groove、Formed between two projections and upper cover plate and close space；
Start laser instrument, laser is injected optical fiber to be tested and is transferred to spectrogrph, and humidity generator, to closing input dampness in space, contrasts with fiber data time normal by collecting spectrogrph and hygroscopic data, i.e. can get under different humidity, the graphene oxide impact on fiber-optic transfer power.
Above-described embodiment is this utility model preferably embodiment; but embodiment of the present utility model is also not restricted to the described embodiments; other any without departing from the change made under spirit of the present utility model and principle, modify, substitute, combine, simplify; all should be the substitute mode of equivalence, within being included in protection domain of the present utility model.
Claims (10)
1. micro-nano fiber humidity based on graphene oxide and a gas sensor, its feature
It is: include base, upper cover plate and for placing the lining seat of optical fiber to be tested, upper cover plate
Being covered on base, form the test chamber of a sealing between upper cover plate and base, lining seat sets
It is placed in described test chamber, also includes sending out for the humidity feeding dampness in test chamber
Raw device.
Micro-nano fiber humidity based on graphene oxide the most according to claim 1 is gentle
Body sensor, it is characterised in that: offer two guiding gutters on described lining seat, two guiding gutters it
Between be testboard, described testboard both sides are the connection for being fixed up by optical fiber to be tested
Platform.
Micro-nano fiber humidity based on graphene oxide the most according to claim 2 is gentle
Body sensor, it is characterised in that: it is provided with in two connected units for optical fiber to be tested is fixed
The double faced adhesive tape got off.
Micro-nano fiber humidity based on graphene oxide the most according to claim 1 is gentle
Body sensor, it is characterised in that: base is provided with lining seat embedded groove, and described lining seat loads institute
Stating in lining seat embedded groove, upper cover plate correspondence lining seat two ends link position is protruding with briquetting respectively,
Two briquettings are respectively embedded into lining seat embedded groove and are pressed on lining seat both ends.
Micro-nano fiber humidity based on graphene oxide the most according to claim 1 is gentle
Body sensor, it is characterised in that: offer moisture transport hole on described upper cover plate, described wet
Gas sprocket hole is connected with test chamber, and described humidity generator passes through moisture transport hole to examination
Test chamber conveying dampness.
Micro-nano fiber humidity based on graphene oxide the most according to claim 4 is gentle
Body sensor, it is characterised in that: offer two moisture transport holes, institute on described upper cover plate
State moisture transport hole to be connected with test chamber, described lining seat embedded groove two side sets respectively
Being equipped with deep gouge, said two moisture transport hole is connected with deep gouge respectively, and described humidity occurs
Device carries dampness by said two moisture transport hole to test chamber.
Micro-nano fiber humidity based on graphene oxide the most according to claim 2 is gentle
Body sensor, it is characterised in that: also include graphene oxide, to be tested on testboard
Optical fiber is the test section after removing covering and being corroded, and graphene oxide is coated on test section.
Micro-nano fiber humidity based on graphene oxide the most according to claim 2 is gentle
Body sensor, it is characterised in that: also include graphene oxide, to be tested on testboard
Optical fiber is to remove the covering of 0.5cm-1.5cm length and arrived to a diameter of 8 microns by Fluohydric acid. corrosion
The test section of 20 microns, graphene oxide is coated on test section.
Micro-nano fiber humidity based on graphene oxide the most according to claim 1 is gentle
Body sensor, it is characterised in that: described base and upper cover plate are existed by vacuum adhesive bond
Together.
10. a detection device, it is characterised in that: include laser instrument, spectrogrph, humidity
Meter and the arbitrary described micro-nano fiber humidity based on graphene oxide of claim 1-9 and
Gas sensor, optical fiber to be tested is gentle through micro-nano fiber humidity based on graphene oxide
Body sensor, optical fiber two ends to be tested are connected respectively on laser instrument and spectrogrph, drimeter
Humidity in detecting test chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521143648.0U CN205607624U (en) | 2015-12-31 | 2015-12-31 | Receive optic fibre humidity and gas sensor and detection device a little based on oxidation graphite alkene |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521143648.0U CN205607624U (en) | 2015-12-31 | 2015-12-31 | Receive optic fibre humidity and gas sensor and detection device a little based on oxidation graphite alkene |
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| CN205607624U true CN205607624U (en) | 2016-09-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001123A (en) * | 2018-05-30 | 2018-12-14 | 武汉理工大学 | A kind of evanescent wave type humidity sensor production method and evanescent wave type humidity sensor |
| CN110736564A (en) * | 2019-10-30 | 2020-01-31 | 吉林大学 | improved method for intrinsic F-P temperature and pressure sensing probe |
| CN110907400A (en) * | 2019-05-28 | 2020-03-24 | 天津工业大学 | Gas detection device based on micro-channel polarization-maintaining optical fiber Sagnac interference structure |
-
2015
- 2015-12-31 CN CN201521143648.0U patent/CN205607624U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001123A (en) * | 2018-05-30 | 2018-12-14 | 武汉理工大学 | A kind of evanescent wave type humidity sensor production method and evanescent wave type humidity sensor |
| CN110907400A (en) * | 2019-05-28 | 2020-03-24 | 天津工业大学 | Gas detection device based on micro-channel polarization-maintaining optical fiber Sagnac interference structure |
| CN110736564A (en) * | 2019-10-30 | 2020-01-31 | 吉林大学 | improved method for intrinsic F-P temperature and pressure sensing probe |
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