CN106092325A - A kind of system and method obtaining tunnel tunnel face joint information - Google Patents
A kind of system and method obtaining tunnel tunnel face joint information Download PDFInfo
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- CN106092325A CN106092325A CN201610506355.7A CN201610506355A CN106092325A CN 106092325 A CN106092325 A CN 106092325A CN 201610506355 A CN201610506355 A CN 201610506355A CN 106092325 A CN106092325 A CN 106092325A
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- tunnel
- metal powder
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- face
- video image
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 70
- 229910052751 metal Inorganic materials 0.000 claims abstract description 61
- 239000002184 metal Substances 0.000 claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000001931 thermography Methods 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- WKPSFPXMYGFAQW-UHFFFAOYSA-N iron;hydrate Chemical compound O.[Fe] WKPSFPXMYGFAQW-UHFFFAOYSA-N 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 8
- 238000007254 oxidation reaction Methods 0.000 abstract description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 2
- 239000001569 carbon dioxide Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000002372 labelling Methods 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 241000239290 Araneae Species 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000001757 thermogravimetry curve Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/48—Thermography; Techniques using wholly visual means
- G01J5/485—Temperature profile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J2005/0077—Imaging
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Radiation Pyrometers (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention discloses a kind of system and method obtaining tunnel tunnel face joint information, including metal powder feeding mechanism and video image acquisition module, described video image acquisition module is oppositely arranged with tunnel tunnel face, described metal powder feeding mechanism includes metal powder bin, described metal powder bin is connected with ejector, ejector and pipeline connection, line end is corresponding with the joint on tunnel tunnel face.The present invention utilizes the strongly exothermic property of metal powder oxidation reaction, changes the heat distribution field at joint, and in order to distinguish joint and other rock mass of face, accuracy is high.Metal powder ejector used by the present invention uses carbon dioxide to start, and inactive gas does not reacts with metal powder, it is ensured that the normal work of metal powder.
Description
Technical field
The present invention relates to a kind of system and method obtaining tunnel tunnel face joint information.
Background technology
Joint, refers to crackle or crack that rock formed under field conditions (factors), is extensive development in upper crust rock
A kind of rift structure.The rapid degree of Rock Tunnel digging process obtained joint relevant information, order of accuarcy will directly affect
Safety to engineering.The description major part that tunnel tunnel face discloses situation at present is by manually completing, in this case,
Not only on-the-spot workload is big, and due to the geologic knowledge level of field technician and the difference of working attitude, description
Accuracy and integrity are not quite similar, data deficiency concordance and comparative.
Summary of the invention
It is an object of the invention to as overcoming above-mentioned the deficiencies in the prior art, it is provided that a kind of acquisition tunnel tunnel face joint information
System and method, solve the defect of above artificial sketch, by chemical method change face joint position heat distribution field
Information, to be clearly distinguished from rock mass region, then utilizes infrared thermal imaging principle capture face heat distribution field information, becomes apparent from
Acquisition tunnel tunnel face joint information.
For achieving the above object, the present invention uses following technical proposals:
A kind of system obtaining tunnel tunnel face joint information, including metal powder feeding mechanism and video image acquisition mould
Block, described video image acquisition module is oppositely arranged with tunnel tunnel face, and described metal powder feeding mechanism includes that metal powder stores
Device, described metal powder bin is connected with ejector, ejector and pipeline connection, line end and the joint on tunnel tunnel face
Corresponding, metal powder is sprayed on tunnel tunnel face joint by metal powder feeding mechanism, utilizes metal powder and the oxygen in air
Fast oxidative reaction principle after contact, changes the heat distribution field at joint, thus distinguishes joint and other rocks of tunnel tunnel face
Body region, it is thus achieved that joint information.
Described video image acquisition module is infrared thermography；Infrared Detectors that infrared thermography comprises and optics
Image-forming objective lens accepts face infrared energy distribution pattern and reflects on the light-sensitive element of Infrared Detectors, thus obtains the palm
The Infrared Thermogram in sub-face.
Described video image acquisition module bottom is fixed on telescope support；Adjusting video images acquisition module can be facilitated
Height and position, telescope support is as the load-carrying members of video image acquisition module, it is ensured that the stability of capture process and standard
Really property.
Described ejector, built with driving gas, is provided with container value between described ejector and pipeline；Container value seals bottle
Mouthful, prevent iron powder from leaking；Utilize when needing and drive gas to open rapidly, discharge metal powder smoothly, there is sealing up for safekeeping, discharge, fill
The function such as (filling), superpressure discharge.Driving gas is chemical property inactive gas, prevents from reacting with metal powder.
Described metal powder bin is built-in with carbonyl iron dust/hydroxy iron powder/magnesium powder/aluminium powder；Carbonyl iron dust/hydroxy iron powder tool
Having high reproducibility and double suction, the oxygen in it touches air and water, react to each other heat release, and chemical energy is converted into heat
Can, thus change the heat distribution field at joint position.
Preferably, catalyst also it is equipped with in described metal powder bin；Catalyst can use carbon dust, carbon dust be above-mentioned instead
Answer electron transport substance, utilize galvanic interaction to accelerate oxidation reaction speed, simultaneously for the mixing of each material and heat transfer
Regulation also has certain effect.
Described tunnel tunnel face is provided with multiple coordinate control point；The coordinate measuring coordinate control point can show that joint is joined
Number.
A kind of method obtaining tunnel tunnel face joint information, comprises the following steps:
Step 1: video image acquisition module is set at tunnel tunnel face correspondence position；
Step 2: utilize metal powder feeding mechanism to be sprayed at tunnel tunnel face joint by metal powder, joint is marked
Note；
Step 3: video image acquisition module obtains the video image of tunnel tunnel face；
Step 4: to being analyzed at joint position in video image processing, it is thus achieved that tunnel tunnel face joint parameters.
Concretely comprising the following steps of described step 2:
Open container value, metal powder is fills up in ejector by metal powder bin, by line end corresponding to tunnel
At face joint, under the effect driving gas, metal powder is quickly sprayed along joints development direction by pipeline, until to joint
Reason labelling is complete.
Concretely comprising the following steps of described step 4:
It is marked at joint position in video image, obtains the coordinate of the coordinate control point of tunnel tunnel face, and will
In coordinate inputted video image acquisition module, the relativeness of tunnel tunnel face with coordinate control point obtain tunnel tunnel face joint
Reason parameter.
The operation principle of the present invention is:
Metal powder is sprayed at tunnel tunnel face joint by metal powder feeding mechanism, and metal powder contacts with the oxygen in air
Rear Quick Oxidation, metal powder and oxygen and aqueous phase mutual reactance heat release, be converted into chemical energy heat energy, thus change at joint position
Heat distribution field, distinguish joint and other rock mass regions of face, joint be marked, and then be analyzed obtaining joint letter
Breath.
The present invention solve conventional face artificial sketch efficiency low, describe accuracy and integrity is not quite similar, number
According to being lack of consistency and the problem such as comparative, have the advantage that
1. the present invention utilizes the strongly exothermic property of metal powder oxidation reaction, changes the heat distribution field at joint, in order to distinguish joint
Reason and other rock mass of face, accuracy is high.
2. metal powder ejector used by the present invention uses carbon dioxide to start, and inactive gas is not anti-with metal powder
Should, it is ensured that the normal work of metal powder.
3. the present invention solves artificial disturbance factor, it is ensured that the objectivity that joint parameters obtains, and improves acquired joint
Information accuracy and integrity, more can improve the safety of constructing tunnel.
4. present configuration is simple, easy and simple to handle, improves work efficiency, it is possible to realize clear acquisition tunnel tunnel face joint
Information.
Accompanying drawing explanation
Fig. 1 is the structural representation of present system；
In figure, 1. metal powder；2. carbon dust；3. metal powder ejector；4. container value；5. infrared thermography；6. spider；
7. control point；8. face；9. joint；10. jet hose；11. metal powder bins.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of system of tunnel tunnel face joint information that obtains is by metal powder bin 11, metal powder injection
Device 3, container value 4, infrared thermography 5, spider 6, control point 7, face 8, joint 9, jet hose 10 form.Infra-red heat
Infrared Detectors and optical imagery object lens that imager 5 comprises accept face infrared energy distribution pattern and reflect infrared
On the light-sensitive element of detector, thus obtain Infrared Thermogram, Quick Oxidation after utilizing metal powder 1 to contact with the oxygen in air
Reaction principle, change the heat distribution field at joint, thus distinguish joint 9 and other rock mass regions of face 8, it is thus achieved that joint is believed
Breath.
Metal powder bin 11 be built-in with metal powder 1 and carbon dust 2 (metal powder 1 can be hydroxy iron powder or carbonyl iron dust or
Magnesium powder or aluminium powder etc. can occur the chemical material reflected with air contact), carbonyl iron dust/hydroxy iron powder has high reproducibility with double
Absorption, the oxygen in it touches air and water, react to each other heat release, chemical energy is converted into heat energy, thus changes joint
The heat distribution field of position, reactional equation is:
Negative pole: Fe-2e-=Fe2+；
Positive pole: O2+2H2O+4e-=4OH-；
Overall reaction: 2Fe+O2+2H2O=2Fe (OH)2。
Carbon dust 2 is above-mentioned reaction electron transport substance, utilize galvanic interaction to accelerate oxidation reaction speed, simultaneously for
The mixing of each material and the regulation of heat transfer also have certain effect.
Metal powder bin 11 top arranges metal powder ejector 3, and metal powder ejector 3 is connected with jet hose 10, gold
Belong to powder ejector 3 and utilize pressure difference principle, the metal powder 1 in metal powder bin 11 is ejected into position, joint 9, use two
Carbon oxide gas drives, and container value 4 seals bottleneck, prevents metal powder 1 from leaking；Open rapidly container value 4 when needing, discharge smoothly
Metal powder 1, have sealing up for safekeeping, discharge, fill, the function such as superpressure discharge.
The invisible infrared energy that object is sent by infrared thermography 5 is changed into visible heat picture, above heat picture
Different colours represent the different temperatures of testee, thus realize labelling joint 9, and by itself and other region districts of face 8
Divide (utilizing joint to be in the principle that other Regional energy fields are different, can distinguish).Infrared thermography 5 is fixed on spider 6
On, infrared thermography 5 is correspondingly arranged in face 8 opposite.
Spider 6 is the load-carrying members of infrared thermography 5, it is ensured that the stability of capture process and accuracy.
Control point 7 is arranged on face 8, and for face 8 coordinate control point, control point 7 is preferably chosen in face
Heart region, and dispersion as far as possible, the control point order line polygonal angle of composition, the most uniformly；Measure its coordinate
Draw joint 9 parameter.
Face 8 is the work surface that excavation tunnel is constantly pushed ahead.
Joint 9 is the rift structure of face 8, largely determines the stability in tunnel excavation face.
Application said system realizes the method for the acquisition of tunnel joint parameters, comprises the following steps:
(1) spider 6 and infrared thermography 5 are disposed.Extension tripod 6 cornue to proper height and launches, by infrared
Thermal imaging system 5 is laid steadily, it is ensured that imaging effect；
(2) open container value 4, metal powder 1 and carbon dust 2 are fills up in metal powder ejector 3；
(3) labelling joint 9.Open container value 4, jet hose 10 is directed at position, joint 9, grows direction along joint 9
Quickly injection, until labelling is complete；
(4) infrared thermography 6 capture.Start infrared thermography 6, obtain the heat distribution field of tunnel tunnel face 8, and obtain
To corresponding temperature field, the temperature field at joint 9 is made special marking and (utilizes infrared thermography 6 to different heat distribution places
Territory makes a distinction and labelling)；
(5) total powerstation is used to obtain control point 7 coordinate, in input infrared thermography 6, it is thus achieved that face 8 joint 9 is joined
Number；Control point controls the coordinate of whole image, utilizes control point and the relativeness of face image, i.e. can get face and appoint
The coordinate of one position.Joint parameters includes the parameters such as length, gap length, inclination angle.
In tunnel tunnel face image acquisition process, containing labelling point, the measuring instruments such as total powerstation are utilized to obtain；Use
The image processing programs such as Matlab, can again pick up labelling point, and carry out assignment；After the input picture of control point, by face with
The relativeness at control point, i.e. can get joint parameters.
Present configuration is simple, easy and simple to handle, be capable of clearly obtaining tunnel tunnel face joint information, is ensureing work
While efficiency, not only reduce the restriction of artificial condition, improve acquired joint information accuracy and integrity, more can carry
The safety of high constructing tunnel.
Although the detailed description of the invention of the present invention is described by the above-mentioned accompanying drawing that combines, but not the present invention is protected model
The restriction enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme, and those skilled in the art are not
Need to pay various amendments or deformation that creative work can make still within protection scope of the present invention.
Claims (10)
1. obtain a system for tunnel tunnel face joint information, it is characterized in that, including metal powder feeding mechanism and video image
Acquisition module, described video image acquisition module is oppositely arranged with tunnel tunnel face, and described metal powder feeding mechanism includes metal
Powder bin, described metal powder bin is connected with ejector, ejector and pipeline connection, in line end and tunnel tunnel face
Joint corresponding.
2. the system as claimed in claim 1, is characterized in that, described video image acquisition module is infrared thermography.
3. system as claimed in claim 1 or 2, is characterized in that, described video image acquisition module bottom is fixed on flexible
On frame.
4. the system as claimed in claim 1, is characterized in that, described ejector is built with driving gas, described ejector and pipe
Container value it is provided with between road.
5. the system as claimed in claim 1, is characterized in that, described metal powder bin be built-in with carbonyl iron dust/hydroxy iron powder/
Magnesium powder/aluminium powder.
6. system as claimed in claim 5, is characterized in that, be also equipped with catalyst in described metal powder bin；
7. the system as claimed in claim 1, is characterized in that, described tunnel tunnel face is provided with multiple coordinate control point.
8. the method utilizing the system described in any one of claim 1-7 to obtain tunnel tunnel face joint information, is characterized in that, bag
Include following steps:
Step 1: video image acquisition module is set at tunnel tunnel face correspondence position；
Step 2: utilize metal powder feeding mechanism to be sprayed at tunnel tunnel face joint by metal powder, joint is marked；
Step 3: video image acquisition module obtains the video image of tunnel tunnel face；
Step 4: to being analyzed at joint position in video image processing, it is thus achieved that tunnel tunnel face joint parameters.
9. method as claimed in claim 8, is characterized in that, concretely comprising the following steps of described step 2:
Open container value, metal powder is fills up in ejector by metal powder bin, by line end corresponding to tunnel face
At joint, face, under the effect driving gas, metal powder is quickly sprayed along joints development direction by pipeline, until marking joint
Remember complete.
10. method as claimed in claim 8, is characterized in that, concretely comprising the following steps of described step 4:
It is marked at joint position in video image, obtains the coordinate of the coordinate control point of tunnel tunnel face, and by coordinate
In inputted video image acquisition module, the relativeness of tunnel tunnel face with coordinate control point obtain tunnel tunnel face joint ginseng
Number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610506355.7A CN106092325A (en) | 2016-06-30 | 2016-06-30 | A kind of system and method obtaining tunnel tunnel face joint information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610506355.7A CN106092325A (en) | 2016-06-30 | 2016-06-30 | A kind of system and method obtaining tunnel tunnel face joint information |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106092325A true CN106092325A (en) | 2016-11-09 |
Family
ID=57214878
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610506355.7A Pending CN106092325A (en) | 2016-06-30 | 2016-06-30 | A kind of system and method obtaining tunnel tunnel face joint information |
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| CN (1) | CN106092325A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111337537A (en) * | 2020-02-19 | 2020-06-26 | 水利部交通运输部国家能源局南京水利科学研究院 | Concrete microcrack remote control inspection device and method based on thermal excitation reagent |
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Application publication date: 20161109 |