CN205139387U - Collecting space area device is surveyed to transition electromagnetism appearance - Google Patents
Collecting space area device is surveyed to transition electromagnetism appearance Download PDFInfo
- Publication number
- CN205139387U CN205139387U CN201520817669.XU CN201520817669U CN205139387U CN 205139387 U CN205139387 U CN 205139387U CN 201520817669 U CN201520817669 U CN 201520817669U CN 205139387 U CN205139387 U CN 205139387U
- Authority
- CN
- China
- Prior art keywords
- circuit
- wire frame
- transient electromagnetic
- electrically connected
- electromagnetic apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model provides a collecting space area device is surveyed to transition electromagnetism appearance, including transition electromagnetism appearance, transmitting coil, receiving coil, acquisition terminal and power, transition electromagnetism appearance respectively with power and acquisition terminal electricity are connected, transmitting coil with after connecting, transition electromagnetism appearance constitutes confined transmission wire frame, receiving coil with after connecting, transition electromagnetism appearance constitutes a confined receiving line frame, the receiving line frame equals with transmission wire frame size. The utility model provides a collecting space area device is surveyed to transition electromagnetism appearance, field construction is convenient, and emission current is big, and the interference killing feature is strong, and to with a varied topography, the ground electrical interference waits greatly that the detection in collecting space area has its unique advantage under the complicated condition.
Description
Technical field
The utility model relates to detection field, goaf, particularly a kind of Transient Electromagnetic Apparatus detection goaf device.
Background technology
Maximum geophysical prospecting method in current detection goaf is transient electromagnetic method, and what mostly adopt is that the large wire frame Transient Electromagnetic Apparatus such as V8 or GDP-32 II of imported from America are carried out, its common shortcoming is: one is that the degree of depth detected will realize by strengthening supply current intensity and increasing transmitting wire frame, but these instruments itself have the restriction of maximum operating currenbt value, exceed certain supply current instrument will automatically quit work, or break down, until damage; Two is in the larger mining area of ground electrical interference, can only suppress interference, but this also can make the data distortion greatly of field acquisition simultaneously during data acquisition by increasing stacking fold, thus the precision in impact detection goaf; Three is in the larger mining area of topographic relief, and owing to needing the transmitting wire frame laying hundreds of m, this is often comparatively large due to the error of laying wire frame, has influence on the detection accuracy in goaf.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of Transient Electromagnetic Apparatus detection goaf device.
For solving the problems of the technologies described above, the utility model provides a kind of Transient Electromagnetic Apparatus detection goaf device, comprise Transient Electromagnetic Apparatus, transmitting coil, receiving coil, acquisition terminal and power supply, described Transient Electromagnetic Apparatus is electrically connected with described power supply and acquisition terminal respectively; Form a transmitting wire frame closed after described transmitting coil is connected with described Transient Electromagnetic Apparatus, after described receiving coil is connected with described Transient Electromagnetic Apparatus, form a reception wire frame closed; Described reception wire frame and transmitting wire frame equal and opposite in direction.
Further, described Transient Electromagnetic Apparatus comprises transmitter and receiver, and is provided with reception wire frame and launches wire frame, and described transmitter is electrically connected with described transmitting wire frame, and described receiver is electrically connected with described reception wire frame.
Further, described transmitter comprises GPS synchronizing circuit, IGBT full bridge power translation circuit, driving circuit, governor circuit; The output of described GPS synchronizing circuit is electrically connected with described governor circuit; The output of described governor circuit is electrically connected with described driving circuit, and the output of described driving circuit is electrically connected with described IGBT full bridge power translation circuit; The output of described GBT full bridge power translation circuit is electrically connected with described transmitting wire frame.
Further, described receiver comprises prime amplifier, filtering circuit, A/D converter, microprocessor and synchronization control circuit; The output of described prime amplifier is electrically connected with described microprocessor by described filtering circuit, A/D converter successively; The output of described synchronization control circuit is electrically connected with A/D converter.
Further, described Transient Electromagnetic Apparatus comprises single-chip microcomputer, optocoupler, radiating circuit and receiving circuit; Described single-chip microcomputer is connected with described radiating circuit by described optocoupler, and described single-chip microcomputer is connected with described receiving circuit; Described radiating circuit is electrically connected with described transmitting wire frame, and described receiving circuit is electrically connected with described reception wire frame.
Further, the length of described reception wire frame and transmitting wire frame is respectively 3m × 3m.
The Transient Electromagnetic Apparatus detection goaf device that the utility model provides, field construction is convenient, and transmitter current is large, and antijamming capability is strong, to a varied topography, the large advantage waiting the detection in complex condition goaf to have its uniqueness of ground electrical interference.
Accompanying drawing explanation
The structural representation of the Transient Electromagnetic Apparatus detection goaf device that Fig. 1 provides for the utility model embodiment;
The circuit diagram of the transmitter of the Transient Electromagnetic Apparatus that Fig. 2 provides for the utility model one embodiment;
The circuit diagram of the receiver of the Transient Electromagnetic Apparatus that Fig. 3 provides for the utility model one embodiment;
The circuit diagram of the Transient Electromagnetic Apparatus that Fig. 4 provides for another embodiment of the utility model;
Fig. 5 is goaf transient electromagnetic method 9 line generalization sectional view within the scope of Chinese ephedra head village on Shuozhou City Pinglu District, Shanxi Province;
Fig. 6 is that on Shuozhou City Pinglu District, Shanxi Province, within the scope of Chinese ephedra head village, goaf transient electromagnetic method detects 4 coal planes deduction goaf distribution plane figure;
Fig. 7 is that on Shuozhou City Pinglu District, Shanxi Province, within the scope of Chinese ephedra head village, goaf transient electromagnetic method 9 coal plane infers goaf distribution plane figure;
Fig. 8 is Xi Yi goaf 700, panel, black Long Gou colliery one line generalization sectional view;
Fig. 9 is for adopting the Transient Electromagnetic Apparatus Coal Mine Gob device that provides of the utility model to Xi Yi goaf, panel, black Long Gou colliery one 2
-2carry out detecting obtained coal plane and infer goaf distribution plane figure;
Figure 10 is for adopting large frame Transient Electromagnetic Apparatus detection 2 of the prior art
-2coal plane infers goaf distribution plane figure.
Embodiment
See Fig. 1, a kind of Transient Electromagnetic Apparatus detection goaf device that the utility model embodiment provides, comprises Transient Electromagnetic Apparatus 4, transmitting coil, receiving coil, acquisition terminal 3 and power supply 5.Transient Electromagnetic Apparatus 4 is electrically connected with power supply 5 and acquisition terminal 3 respectively.Transmitting coil 2 is connected the transmitting wire frame 2 that rear formation one is closed with Transient Electromagnetic Apparatus 4, receiving coil is connected the reception wire frame 1 that rear formation one is closed with Transient Electromagnetic Apparatus 4; Receive wire frame 1 and launch wire frame 2 equal and opposite in direction.
In one embodiment, Transient Electromagnetic Apparatus comprises transmitter and receiver, and is provided with reception wire frame and launches wire frame, and transmitter is electrically connected with transmitting wire frame, and receiver is electrically connected with reception wire frame.See Fig. 2, transmitter comprises GPS synchronizing circuit, IGBT full bridge power translation circuit, driving circuit, governor circuit; The output of GPS synchronizing circuit is electrically connected with governor circuit; The output of governor circuit is electrically connected with driving circuit, and the output of driving circuit is electrically connected with IGBT full bridge power translation circuit; The output of GBT full bridge power translation circuit is electrically connected with transmitting wire frame.Wherein, GPS synchronizing circuit provides the pulse signal of synchronizing information and 10kHz.Synchronous and the emissioning controling signal that governor circuit carries out frequency division to the pulse signal of 10kHz, synthesis satisfies the demands.Emissioning controling signal by driving circuit for IGBT full bridge power translation circuit provides driving.Transponder pulse is supplied to transmitting wire frame 2 and forms bipolar square wave by IGBT full bridge power translation circuit.
See Fig. 3, receiver comprises prime amplifier, filtering circuit, A/D converter, microprocessor and synchronization control circuit; The output of prime amplifier is electrically connected with microprocessor by filtering circuit, A/D converter successively; The output of synchronization control circuit is electrically connected with A/D converter.The signal received by reception wire frame 2 is amplified by prime amplifier, and filters high-frequency interferencing signal by filtering circuit, sends into microprocessor storage by A/D converter after converting simulating signal to digital signal.
In another embodiment, see Fig. 4, Transient Electromagnetic Apparatus comprises single-chip microcomputer, optocoupler, radiating circuit and receiving circuit; Single-chip microcomputer is connected with radiating circuit by optocoupler, and single-chip microcomputer is connected with receiving circuit.Wherein, optocoupler is for isolating radiating circuit and receiving circuit.Radiating circuit is electrically connected with transmitting wire frame, and receiving circuit is electrically connected with reception wire frame.
In above-described embodiment, the length receiving wire frame 1 and transmitting wire frame 2 is respectively 3m × 3m, thus forms the Transient Electromagnetic Apparatus Coal Mine Gob device of little wire frame.Relative to needing the transmitting wire frame laying hundreds of m, substantially increase detection accuracy.
Below the case of the utility model embodiment in practice is described.
One, Mined-Out Areas within the scope of Chinese ephedra head village on Shanxi Province's Shuozhou City Pinglu District
In order to whether there be the development condition in goaf and goaf under detecting upper Chinese ephedra head village, carry out goaf physical prospecting detection operations.This region is positioned at village, and topographic relief is large, and ground electrical interference is more, if adopt traditional large wire frame Transient Electromagnetic Apparatus cannot carry out the work at all, so have employed Transient Electromagnetic Apparatus that the utility model provides to complete this Mined-Out Areas work.
One's respective area is positioned at coalfield, Ningwu the North, the substrate in coalfield, Ningwu is a set of ancient metamorphic rocks, sedimentation total thickness is at 2600 ~ more than 3500m, depocenter is positioned at Ningwu, the middle and south, coalfield to Jingle one band, zone thickness is at more than 3500m, and northern Jing Ping ~ north county one band only deposits hundreds of m after degrading, exposure up-to-date stratum in center is secondary group Jurassic systerm, be followed successively by the secondary group Triassic system towards periphery, the Paleozoic erathom Permian system, the Carboniferous system, the Ordovician system, Cambrian system, Archean erathem Wutai Group, Neozoic group the 3rd is, Quaternary system reaches more than 200m in basin, southern Jingle and northern north county Plain thickness.
The main coal-bearing strata of local area is Taiyuan group.Mainly can adopt thick seam is No. 4 coal seams, No. 9 coal seams, No. 11 coal seams.This Mined-Out Areas is mainly for 4, No. 9 coal seams.
After coal seam is exploited, if the space in goaf is by water or the filling of shale thing, then the resistivity at this place will be starkly lower than the resistivity of intact rock around, shows certain low-resistivity feature.This survey district, the space in goaf, not by water and the filling of shale thing, is reflected so show as high resistivity feature electrically.
Tu5Wei Gai district transient electromagnetic method 9 line generalization sectional view, the isoline in figure is apparent resistivity isoline, and black dotted lines is 4 coal bottom boundary lines, and the ellipse of black is that the goaf of inferring is abnormal.As can be seen from this section: all show as high resistivity anomalous reflection electrically at section 640-680m and 940-1100m region, be inferred as goaf anomalous reflection.
Fig. 6 is that transient electromagnetic method detects 4 coal planes deduction goaf distribution plane figure, and as can be seen from this figure, the sky exceptions area of adopting in this survey district is mainly distributed in the south surveying district.From planimetric position and the link relation respectively adopting sky anomalous body two can be divided into adopt sky exceptions area.
First adopts sky exceptions area: be positioned at and survey the southeast, district, and primarily of the 120-480 point control of 1-3 line, overall growth direction East and West direction, scale is less.
Second adopts sky exceptions area: be positioned at and survey the southeast, district, and primarily of the 760-1260 point control of 7-13 line, overall growth direction East and West direction, scale is medium.
Fig. 7 is that transient electromagnetic method detects 9 coal planes deduction goaf distribution plane figure, as can be seen from this figure, the sky exceptions area of adopting in this survey district is mainly distributed in the southwest corner surveying district, primarily of the 120-440 point control of 1-5 line, overall growth direction East and West direction, scale of growing is medium.
Two, the western wing Mined-Out Areas in panel, black Long Gou colliery one
In order to strengthen and the work of specification coal mining geology, find out the hidden factors causing disaster in black Long Gou colliery further, timely process collery's surface movement, effective prevention coal mining accident, Shaanxi Hei Longgou Mining Limited Company needs to carry out Mined-Out Areas work to the western wing in panel, this Local topographic relief is larger, and it is very steep to survey border, district, there is a river below, if adopt traditional large wire frame Transient Electromagnetic Apparatus to carry out this task, lay the difficulty of launching frame larger, and the error of frame can be caused larger, and then the precision of impact detection, so the Transient Electromagnetic Apparatus Coal Mine Gob device that have employed the utility model employing has carried out comparative analysis to the some work completing this Mined-Out Areas.
Disclose and geologic mapping data according to boring, in district, stratum is newly followed successively by from experienced: the Triassic system is united and forever united YAN ' AN FORMATION, directly sieve group, Quaternary system mid Pleistocene series in level ground group, Jurassic systerm from stone group, Quaternary system upper Pleistocene series last interglacial period, Quaternary system Holocene series aeolian sand.
Local area coal-bearing strata is YAN ' AN FORMATION of uniting in Jurassic systerm, is divided into five coal groups from bottom to top, namely No. 1, No. 2, No. 3, No. 4, No. 5 coal groups.The coal seam 9 layer of YAN ' AN FORMATION altogether containing contrast meaning is 2 respectively
-2, 3
-1, 4
-2, 4
-3, 4
-4, 5
-2, 5
-2under, 5
-3, 5
-4.Wherein 2
-2it is main mining coal seam.
2
-2coal seam is thick seam, and be positioned at the top of YAN ' AN FORMATION the 4th section, be one of Main workable coal seams that local area is the thickest, the whole district can adopt.With bottom 3
-1coal seam spacing 30.39 ~ 40.04m, average 33.00m.Thick 4.11 ~ the 6.85m of coal, average 5.36m.Mining depth is about 200m.
After coal seam is exploited, if the space in goaf is by water or the filling of shale thing, then the resistivity at this place will be starkly lower than the resistivity of intact rock around, shows certain low-resistivity feature.This survey district, the space in goaf, not by water and the filling of shale thing, is reflected so show as high resistivity feature electrically.
Theoretically, the resistivity relative maximum of dry rock, coal seam and air, but in fact the hole of rock, crack are always moisture, and along with the humidity of rock or the increase of water saturation, resistivity sharply declines.When rock stratum is complete, its resistivity is higher, by the impact of the geologic function such as tectonic movement, rock stratum is often grown broken crack, degree of crushing and moisture saturation degree larger (sandstone, limestone watery strengthen) thereof, the electric conductivity of rock can significantly strengthen, and formation resistivity obviously reduces.In general, the resistivity of water-bearing structure is much smaller than the resistivity of not moisture surrounding country rock, and this is the physical basis of electromagnetic method water in gob area situation.For local area, after coal seam is exploited, have ponding in low-lying goaf, the goaf after ponding just shows as obvious low-resistivity anomalous reflection electrically.
Fig. 8 is 700 line generalization sectional views, and the black dotted lines 7 in figure is 2
-2coal parting line, black dotted lines 8 is 3
-1coal parting line, the ellipse of grey is that the pools zone of inferring is abnormal.As seen from the figure, 2
-2, all there is low-resistivity anomalous reflection at coal interface at section 280 ~ 920m, 1300 ~ 1500m place, is inferred as Water in mined area district abnormal.3
-1, there is low-resistivity anomalous reflection at coal interface at section 280 ~ 840m place, is also inferred as Water in mined area district abnormal.
Fig. 9 is the Transient Electromagnetic Apparatus Coal Mine Gob device detection 2 that the utility model adopts
-2coal plane infers goaf distribution plane figure, and as can be seen from this figure, the sky exceptions area of adopting in this survey district is mainly distributed in the western part surveying district.From the absolute-value analysis of apparent resistivity value, the apparent resistivity of this region, goaf and country rock electrical property difference obviously, infer that its watery is stronger.
In order to analyze goaf developmental state and the ponding situation in this district better, GDP-32 II multi-functional electric device that have employed imported from America in identical region detects, this instrument adopts large wire frame (120m × 120m), the parameter of transmission frequency 4Hz, transmitter current 3.5A carries out data collection task.Figure 10 is large frame Transient Electromagnetic Apparatus detection 2
-2coal plane infers goaf distribution plane figure, and as can be seen from this figure, the sky exceptions area of adopting in this survey district is mainly distributed in the western part surveying district.From the absolute-value analysis of apparent resistivity value, the apparent resistivity of this region, goaf and country rock electrical property difference obviously, infer that its watery is stronger.The goaf scope degree of agreement detected with little frame Transient Electromagnetic Apparatus is higher.
The real application research of Transient Electromagnetic Apparatus Coal Mine Gob device detection operations in Chinese ephedra Tou Cun and the western wing two dissimilar goafs, panel, Hei Long ditch colliery one on Shuozhou City Pinglu District, Shanxi Province that the utility model provided by the utility model is adopted, detection is feasible in coal mine gob to describe this application of installation, this device greatly reduces with a varied topography, the unfavorable factors such as ground electrical interference is large are on the impact of field data collection, and this device field construction is simple, easy to operate, the laying precision of wire frame is high, more advantageously improve the efficiency of field data collection work.
It should be noted last that, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to example, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (6)
1. a Transient Electromagnetic Apparatus detection goaf device, it is characterized in that, comprise Transient Electromagnetic Apparatus, transmitting coil, receiving coil, acquisition terminal and power supply, described Transient Electromagnetic Apparatus is electrically connected with described power supply and acquisition terminal respectively; Form a transmitting wire frame closed after described transmitting coil is connected with described Transient Electromagnetic Apparatus, after described receiving coil is connected with described Transient Electromagnetic Apparatus, form a reception wire frame closed; Described reception wire frame and transmitting wire frame equal and opposite in direction.
2. Transient Electromagnetic Apparatus detection goaf according to claim 1 device, it is characterized in that, described Transient Electromagnetic Apparatus comprises transmitter and receiver, and be provided with reception wire frame and launch wire frame, described transmitter is electrically connected with described transmitting wire frame, and described receiver is electrically connected with described reception wire frame.
3. Transient Electromagnetic Apparatus detection goaf according to claim 2 device, it is characterized in that, described transmitter comprises GPS synchronizing circuit, IGBT full bridge power translation circuit, driving circuit, governor circuit; The output of described GPS synchronizing circuit is electrically connected with described governor circuit; The output of described governor circuit is electrically connected with described driving circuit, and the output of described driving circuit is electrically connected with described IGBT full bridge power translation circuit; The output of described GBT full bridge power translation circuit is electrically connected with described transmitting wire frame.
4. Transient Electromagnetic Apparatus detection goaf according to claim 2 device, it is characterized in that, described receiver comprises prime amplifier, filtering circuit, A/D converter, microprocessor and synchronization control circuit; The output of described prime amplifier is electrically connected with described microprocessor by described filtering circuit, A/D converter successively; The output of described synchronization control circuit is electrically connected with A/D converter.
5. Transient Electromagnetic Apparatus detection goaf according to claim 2 device, it is characterized in that, described Transient Electromagnetic Apparatus comprises single-chip microcomputer, optocoupler, radiating circuit and receiving circuit; Described single-chip microcomputer is connected with described radiating circuit by described optocoupler, and described single-chip microcomputer is connected with described receiving circuit; Described radiating circuit is electrically connected with described transmitting wire frame, and described receiving circuit is electrically connected with described reception wire frame.
6. the Transient Electromagnetic Apparatus detection goaf device according to any one of claim 1-5, it is characterized in that, the length of described reception wire frame and transmitting wire frame is respectively 3m × 3m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520817669.XU CN205139387U (en) | 2015-10-20 | 2015-10-20 | Collecting space area device is surveyed to transition electromagnetism appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520817669.XU CN205139387U (en) | 2015-10-20 | 2015-10-20 | Collecting space area device is surveyed to transition electromagnetism appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205139387U true CN205139387U (en) | 2016-04-06 |
Family
ID=55625165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520817669.XU Expired - Fee Related CN205139387U (en) | 2015-10-20 | 2015-10-20 | Collecting space area device is surveyed to transition electromagnetism appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205139387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929745A (en) * | 2020-08-24 | 2020-11-13 | 北京中核大地矿业勘查开发有限公司 | Comprehensive underground water resource exploration system and exploration method thereof |
-
2015
- 2015-10-20 CN CN201520817669.XU patent/CN205139387U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929745A (en) * | 2020-08-24 | 2020-11-13 | 北京中核大地矿业勘查开发有限公司 | Comprehensive underground water resource exploration system and exploration method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108107478B (en) | Magnetotelluric synchronizing detection and real time inversion method and system | |
| CN104375191B (en) | A kind of magnetotelluric data acquisition system and its acquisition method | |
| CN103809204B (en) | A kind of collecting method of field audio magnetotelluric method | |
| CN104536043A (en) | Depth domain overall velocity model combination method and device | |
| CN105301663A (en) | Time-frequency electromagnetic exploration data air acquisition device and system | |
| CN103912270A (en) | Cross-well logging depth and speed synchronously controlled positioning system and method | |
| CN109375272A (en) | A kind of new working method and technology in the three-dimensional sharp electricity of low-resistance heavy-cover area progress | |
| CN103995286B (en) | A kind of acoustic receiver transducer and orientation, down-hole noise leakage detection apparatus and leak hunting method | |
| CN205139387U (en) | Collecting space area device is surveyed to transition electromagnetism appearance | |
| CN104459803B (en) | The natural field source electromagnetic measurement device of intelligent long period and its application method | |
| Saintilan et al. | Control of reactivated Proterozoic basement structures on sandstone-hosted Pb-Zn deposits along the Caledonian Front, Sweden: evidence from airborne magnetic data, structural analysis, and ore-grade modeling | |
| CN205263307U (en) | Portable ground penetrating radar car | |
| CN205139386U (en) | Time frequently aerial collection system of electromagnetic survey data and system | |
| CN104375166A (en) | Method for determining seismic exploration excitation depth | |
| CN106772677A (en) | A kind of method for finding area of coverage skarn type Eastern Pamir | |
| CN103777246B (en) | Common source receiving system of seismic prospecting instrument and VSP logging instrument | |
| CN105607128A (en) | Geological fault detection method under hard and soft interbedded geological condition | |
| CN204287505U (en) | A kind of magnetotelluric data acquisition system | |
| CN105093270A (en) | 3D seismic exploration technology of exciting irregular coalfield along trench of loess yuan zone | |
| CN103969689A (en) | Mining coal roadway combined driving advanced detection receiving device with dynamic directional electric field excitation method adopted | |
| CN113391372B (en) | Dry-hot rock investigation method combining electric method and earthquake | |
| CN205384379U (en) | Synchronous array electricity method appearance system | |
| CN204142963U (en) | A kind of underwater seismic receiving system | |
| CN113932764A (en) | Coal mine goaf surface subsidence data acquisition system based on microseismic monitoring technology | |
| CN103901482A (en) | Method of quickly acquiring continuous underground medium electric change information |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20171020 |