CN105890932B - Water body stratified sampler - Google Patents
Water body stratified sampler Download PDFInfo
- Publication number
- CN105890932B CN105890932B CN201610355102.4A CN201610355102A CN105890932B CN 105890932 B CN105890932 B CN 105890932B CN 201610355102 A CN201610355102 A CN 201610355102A CN 105890932 B CN105890932 B CN 105890932B
- Authority
- CN
- China
- Prior art keywords
- button
- babinet
- water
- water body
- sampling
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
Abstract
Water body stratified sampler of the present invention, is related to the harvester for different depth water body sample, under artificial operation, completes the acquisition to different depth water body sample, has the characteristics that acquisition is quick, depth is accurate, portable small and exquisite.Including storing apparatus, hoist engine, sampling apparatus, water-storing bottle, power supply and control system, storing apparatus includes babinet, handle, idler wheel, sampling apparatus storage area, and hoist engine is mounted on babinet upper position；Sampling apparatus is mounted on the sampling apparatus storage area of babinet, and sampling apparatus includes hawser, solenoid, floater shot, water receiver, lower solenoid valve, pressure sensor, interior close switch, trailing cable, outer close switch, and water-storing bottle is located at the bottom right position of babinet；Power supply is located at babinet middle and lower part position；Control system is located at the upper right position of babinet, and control system includes：Display, start button, sampling button, dive button, rising button, adopts full indicator light, backing indicator light at power supply indicator.
Description
Technical field
Technical scheme of the present invention is related to the harvester for different depth water body sample, and specifically water body is layered
Sampler.
Background technology
The acquisition of water body sample is the important means of hydrological science research and water body management, to the water body sample of different depth
The acquisition for carrying out precise and high efficiency is the smooth important foundation and premise for carrying out every related work.Water body is due to temperature, flow etc.
The influence of factor can form apparent difference, referred to as layering effect, the hydrology, chemistry, the biology of different water layers etc. in each layer
Information has differences, this species diversity is the important characterization of water body feature, and vital basic data money in every research
Material, smooth development of accurate, quick, portable, the small and exquisite water sampling device for work such as water body hydrologic research, water ecology evaluations
It is of great significance, especially for the smooth development of field work and tiny well head collecting work.CN201955253U is disclosed
A kind of ditch surface water sampler acquires water sample by counterweight lead ring gravity sinking water body, avoids and disturbed by body
Suspended matter enters sounding bottle in dynamic water, collection equipment for it is accurate, portable, small and exquisite the features such as, but this method cannot achieve pair
The acquisition of the swallow of different depth.
In short, existing technology not can solve portable, the quick, precise acquisition of different water levels water body sample.
Invention content
The technical problem to be solved by the present invention is to：Water body stratified sampler is provided, under artificial operation, is completed to not
With the acquisition of depth water body sample, have the characteristics that acquisition quickly, depth it is accurate, portable small and exquisite, meet field work and thin
The requirement of The Small Well saliva body acquisition.
Technical solution is used by the present invention solves the technical problem：Water body stratified sampler is provided, including accommodates dress
It sets, hoist engine, sampling apparatus, water-storing bottle, power supply and control system；Storing apparatus includes babinet, handle, idler wheel, sampling apparatus
Storage area, wherein handle are located at the upper surface of babinet, and idler wheel is located at below babinet, and sampling apparatus storage area is located at a left side for babinet
Side；Hoist engine is mounted on the upper position of babinet；Sampling apparatus is stored in sampling apparatus storage area, sampling apparatus include hawser,
Solenoid, floater shot, water receiver, lower solenoid valve, pressure sensor, interior close switch, trailing cable, outer close switch,
Middle solenoid is mounted on the suitable for reading of water receiver, and the control line of solenoid imports trailing cable, and hawser one end is fixed on water storage
The other end of the upper surface of device, hawser is wrapped on hoist engine, and hawser is marked with scale, and floater shot is placed in the inside of water receiver,
In free state, lower solenoid valve is mounted on the lower mouth of water receiver, and the control line of lower solenoid valve imports trailing cable, pressure sensing
Device is mounted on the bottom right edge of lower solenoid valve, and the signal wire of pressure sensor imports trailing cable, interior to be mounted on storage close to switch
The top of hydrophone inner wall, the interior signal wire close to switch import trailing cable, and outer close switch is mounted on the lower-left of lower solenoid valve
Edge, the outer signal wire close to switch import trailing cable, and the other end of trailing cable is connected in control system, sampling apparatus
Do water-proofing treatment in junction between each section；Water-storing bottle is located at the bottom right position of babinet；Power supply is located at the middle and lower part of babinet
Position；Control system is located at the upper right position of babinet, and control system includes：Display, power supply indicator, start button, sampling are pressed
Button, rising button, adopts full indicator light, backing indicator light at dive button, wherein display is located at the top of control system, power supply
Indicator light, which is located on the downside of display, keeps right, and the downside that backing indicator light is located at display is placed in the middle, adopts full indicator light and is located at display
It keeps left on the downside of device, start button is located at the lower section of power supply indicator, and sampling button is located at below start button, rising button
Positioned at adopting below full indicator light, dive button is located at below rising button.
Above-mentioned water body stratified sampler, a diameter of 3cm of the floater shot.
The back cut diameter of above-mentioned water body stratified sampler, the water receiver is 2cm, lower port diameter 4cm.
Above-mentioned water body stratified sampler, the start button are locking press button.
Above-mentioned water body stratified sampler, the dive button are locking press button.
Above-mentioned water body stratified sampler, the rising button are locking press button.
Above-mentioned water body stratified sampler, the sampling button are Self-resetting button.
The control core of above-mentioned water body stratified sampler, the control system is SCM system.
Above-mentioned water body stratified sampler, used unit are known to those skilled in the art, are passed through known
Approach obtain.The connection method of the component, which is those skilled in the art, to be grasped.
The beneficial effects of the invention are as follows：Compared with prior art, the outstanding feature of stratified sampler of the present invention and significantly into
Step is：
(1) present invention is designed with two solenoid valves up and down, is respectively used to discharge air and acquires water sample, ensure that water acquisition mistake
Journey smoothly completes.
(2) present invention is provided with the floater shot of free state and interior close switch in the water receiver of sampling apparatus, works as storage
When acquiring full water sample in hydrophone, floater shot is floated to close to inductive switching area, and signal is passed to control system close to switch, is carried
Show that operating personnel sample to complete, ensure that the actual effect of sampling operation.
(3) sampling apparatus of the invention is designed as cylindric, compact overall structure, and low-profile is adapted to small-bore
Well sampling operation.
(4) present invention uses modular design method, and each section is encapsulated in inside storing apparatus, carries, is easy to use,
Functions are clear, and connection is simple, and clear in structure, overall design has the power-supply system of itself, is very suitable for field work.
(5) present invention is designed with hawser and pressure sensor with a scale, and two systems complete the data of the depth of water jointly
It measures, refers to each other, one group of detection data for not meeting actual condition can be rejected according to actual conditions, ensure that bathymetric data
It is scientific.
(6) present invention is designed with outer close to switch in sampling apparatus bottom, for detecting whether sampling apparatus bottoms out, and
Operating personnel are fed back information to, are had very important significance for water-bed concave-convex operating environment in confused situation, the design
Ensure the accuracy and operability of sampling operation.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the composition frame chart of water body stratified sampler of the present invention.
Fig. 2 is the structural schematic diagram of water body stratified sampler of the present invention.
Fig. 3 is the schematic diagram of water body stratified sampler sampling apparatus of the present invention.
Fig. 4 is the schematic diagram of water body stratified sampler control system of the present invention.
In figure, 1. babinets, 2. handles, 3. hoist engines, 4. control systems, 5 water-storing bottles, 6. idler wheels, 7. power supplys, 8. sampling cartridges
Storage area is set, 9. sampling apparatuses, 41. displays, 42. power supply indicators, 43. start buttons, 44. sample buttons, and 45. dives are pressed
Button, 46. rising buttons, 47. adopt full indicator light, 48. backing indicator lights, 91. hawsers, 92. solenoids, 93. floater shots, and 94.
Water receiver, 95. times solenoid valves, 96. pressure sensors, close to switch in 97., 98. trailing cables, close to switch outside 99..
Specific implementation mode
Embodiment illustrated in fig. 1 shows that water body stratified sampler of the present invention includes：Storing apparatus, sampling apparatus 9, water-storing bottle
5, hoist engine 3, power supply 7 and control system 4.
Embodiment illustrated in fig. 2 shows that storing apparatus includes babinet 1, handle 2, idler wheel 6, sampling apparatus storage area 8, wherein
Handle 2 is located at the upper surface of babinet 1, and idler wheel 6 is located at below babinet 1, and sampling apparatus storage area 8 is located at the left side of babinet 1, sampling
Device 9 is mounted on sampling apparatus storage area 8；Hoist engine 3 is mounted on the upper position of babinet 1；Under power supply 7 is located in babinet 1
Position；Control system 4 is located at the upper right position of babinet 1；Water-storing bottle 5 is located at the bottom right position of babinet 1；The other end of hawser 91 twines
It is wound on hoist engine 3, the other end of trailing cable 98 is connected in control system 4.
Embodiment illustrated in fig. 3 show sampling apparatus 9 include hawser 91, solenoid 92, floater shot 93, water receiver 94, under
Solenoid valve 95, pressure sensor 96, interior close switch 97, trailing cable 98, outer close switch 99, wherein solenoid 92 are installed
Trailing cable 98 is imported in the control line of the suitable for reading of water receiver 94, solenoid 92,91 one end of hawser is fixed on water receiver 94
Upper surface, floater shot 93 are placed in the inside of water receiver 94, are in free state, and lower solenoid valve 95 is mounted under water receiver 94
Mouthful, the control line of lower solenoid valve 95 imports trailing cable 98, and pressure sensor 96 is mounted on the bottom right edge of lower solenoid valve 95, pressure
The signal wire of force snesor 96 imports trailing cable 98, and the interior top that 94 inner wall of water receiver is mounted on close to switch 97 is interior close
The signal wire of switch 97 imports trailing cable 98, the outer lower-left edge for approaching switch 99 and being mounted on lower solenoid valve 95, and outer approach is opened
The signal wire for closing 99 imports trailing cable 98.
Embodiment illustrated in fig. 4 shows that control system 4 includes：Display 41, power supply indicator 42, start button 43, sampling
Button 44, rising button 46, adopts full indicator light 47, backing indicator light 48 at dive button 45, wherein display 41 is located at control
The top of system 4, the downside that power supply indicator 42 is located at display 41 are kept right, and backing indicator light 48 is located at the downside of display 41
Between two parties, it adopts full indicator light 47 and is located at the downside of display 41 and keep left, start button 43 is located at the lower section of power supply indicator 42, sampling
Button 44 is located at below start button 43, and rising button 46, which is located at, adopts below full indicator light 47, and dive button 45 is located at upper
It rises below button 46.
Embodiment 1
Shown in above-mentioned Fig. 2, Fig. 3 and Fig. 4, obtained water body stratified sampler, wherein a diameter of 3cm of floater shot 93,
The back cut diameter of water receiver 94 is 2cm, and lower port diameter 4cm, start button 43 are locking press button, dive button 45 is that self-locking is pressed
Button, rising button 46 be locking press button, sampling button 44 be Self-resetting button, control system 4 control core be microcontroller system
System, hawser 91 are marked with scale, and encapsulation process is done in the junction between each section of sampling apparatus 9.
Below by taking a sampling operation as an example.
The first step starts water body stratified sampler
Sampling apparatus 9 is put into sampling waters by operator, presses start button 43, self-lock of button, and power supply indicator 42 is bright
It rises, water body stratified sampler is in running order.
Second step, sampling operation
Operator presses dive button 45, self-lock of button, while paying close attention to the scale on display 41 and hawser 91, hoist engine
3 rotate forward, and sampling apparatus 9 starts dive under gravity, and the signal that pressure sensor 96 is passed back becomes dive by processing
Depth is shown on display 41, while 91 scale of hawser also simultaneous display submerged depth；9 dive of device to be sampled is to pre- depthkeeping
Degree, operator press dive button 45 again, and button releases self-locking, and hoist engine 3 stalls, and sampling apparatus 9 stops dive；Operator
Sampling button 44 is pinned, the solenoid 92 and lower solenoid valve 95 on sampling apparatus 9 open simultaneously, due to the effect of pressure difference,
Water body enters water receiver 94 from lower solenoid valve 95, and the air in water receiver 94 is discharged from solenoid 92, floater shot 93 due to by
To buoyancy effect floating to the top of water receiver 94, be located exactly at the interior induction zone close to switch 97, it is interior to believe close to switch 97
Number control system 4 is reached, by signal processing, adopt full indicator light 47 and light, operator unclamps sampling button 44, sampling apparatus 9
On solenoid 92 and lower solenoid valve 95 simultaneously close off；Operator presses rising button 46, self-lock of button, and hoist engine 3 inverts,
Sampling apparatus 9 is begun to ramp up under the action of 91 pulling force of hawser, and precalculated position, operation are reached until sampling apparatus 9 rises from the water surface
Person presses rising button 46, self-locking releasing again, and hoist engine 3 stalls, and water-storing bottle 5 is placed in 9 times electromagnetism of sampling apparatus by operator
At the lower mouth of valve 95, water acquisition button is pressed, solenoid 92 and lower solenoid valve 95 open simultaneously, the water body sample in water receiver 94
Naturally water-storing bottle 5 is flowed into, until whole water bodys outflow in water receiver 94, unclamps water acquisition button；Water-storing bottle 5 is covered,
It marks and is placed in babinet 1, sampling apparatus 9 is stored.If backing indicator light 48, which lights, in sampling process indicates sampling apparatus 9
It has dived to the bottom, or encounter barrier not continuing dive, operator can be adjusted accordingly.
Third walks, and closes water body stratified sampler
Operator presses start button 43 again, and button releases self-locking, and power supply indicator 42 extinguishes, water body stratified sampler
It closes.
Claims (8)
1. water body stratified sampler, including storing apparatus, hoist engine, sampling apparatus, water-storing bottle, power supply and control system are provided,
It is characterized in that：Storing apparatus includes babinet, handle, idler wheel, sampling apparatus storage area, and wherein handle is located at the upper surface of babinet,
Idler wheel is located at below babinet, and sampling apparatus storage area is located at the left side of babinet；Hoist engine is mounted on the upper position of babinet；It adopts
Sampling device is stored in sampling apparatus storage area, sampling apparatus include hawser, solenoid, floater shot, water receiver, lower solenoid valve,
Pressure sensor, interior close switch, trailing cable, outer close switch, wherein solenoid are mounted on the suitable for reading of water receiver, power on
The control line of magnet valve imports trailing cable, and hawser one end is fixed on the upper surface of water receiver, and the other end of hawser is wrapped in elevator
On machine, hawser is marked with scale, and floater shot is placed in the inside of water receiver, is in free state, and lower solenoid valve is mounted on water receiver
Lower mouth, the control line of lower solenoid valve imports trailing cable, and pressure sensor is mounted on the bottom right edge of lower solenoid valve, and pressure passes
The signal wire of sensor imports trailing cable, the interior top that water receiver inner wall is mounted on close to switch, the interior signal wire close to switch
Trailing cable is imported, the outer lower-left edge that lower solenoid valve is mounted on close to switch, it is electric that the outer signal wire close to switch imports retinue
The other end of cable, trailing cable is connected in control system；Water-storing bottle is located at the bottom right position of babinet；Power supply is located in babinet
Lower portion；Control system is located at the upper right position of babinet, and control system includes：Display, start button, is adopted power supply indicator
Sample button, rising button, adopts full indicator light, backing indicator light at dive button, wherein and display is located at the top of control system,
Power supply indicator, which is located on the downside of display, keeps right, and the downside that backing indicator light is located at display is placed in the middle, adopts full indicator light and is located at
It keeps left on the downside of display, start button is located at the lower section of power supply indicator, and sampling button is located at below start button, rises
Button, which is located at, to be adopted below full indicator light, and dive button is located at below rising button.
2. water body stratified sampler according to claim 1, it is characterised in that：A diameter of 3cm of the floater shot.
3. water body stratified sampler according to claim 1, it is characterised in that：The back cut diameter of the water receiver is
2cm, lower port diameter 4cm.
4. water body stratified sampler according to claim 1, it is characterised in that：The start button is locking press button.
5. water body stratified sampler according to claim 1, it is characterised in that：The dive button is locking press button.
6. water body stratified sampler according to claim 1, it is characterised in that：The rising button is locking press button.
7. water body stratified sampler according to claim 1, it is characterised in that：The sampling button is pressed for Self-resetting
Button.
8. water body stratified sampler according to claim 1, it is characterised in that：The control core of the control system is
SCM system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610355102.4A CN105890932B (en) | 2016-05-25 | 2016-05-25 | Water body stratified sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610355102.4A CN105890932B (en) | 2016-05-25 | 2016-05-25 | Water body stratified sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105890932A CN105890932A (en) | 2016-08-24 |
| CN105890932B true CN105890932B (en) | 2018-09-14 |
Family
ID=56717090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610355102.4A Active CN105890932B (en) | 2016-05-25 | 2016-05-25 | Water body stratified sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105890932B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008100A (en) * | 2017-11-03 | 2018-05-08 | 无锡艾科瑞思产品设计与研究有限公司 | A kind of water quality indicator buoy device |
| CN107843461A (en) * | 2017-11-13 | 2018-03-27 | 刘学浩 | A kind of portable fluid depthkeeping Stratified Sampling device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202005016107U1 (en) * | 2005-10-14 | 2005-12-15 | Walz, Karl-Heinz | Automatic water sampling device for use in e.g. sewer, has hollow body that is evacuated by vacuum pump after switching water level switch, so that body attached with siphon pipe is filled with liquid |
| CN201955253U (en) * | 2011-03-05 | 2011-08-31 | 卢宇昊 | Ditch surface water sampler |
| CN105089664A (en) * | 2015-08-14 | 2015-11-25 | 中国地质调查局水文地质环境地质调查中心 | Automatic measuring system and method for layered water pumping test of deep hole including multiple water-bearing strata |
| CN205012993U (en) * | 2015-08-14 | 2016-02-03 | 中国地质调查局水文地质环境地质调查中心 | Many water -bearing stratum deep hole layering pumping test automatic measurement system |
| CN205679433U (en) * | 2016-05-25 | 2016-11-09 | 河北建筑工程学院 | Water body stratified sampler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10232623B4 (en) * | 2002-07-14 | 2004-11-04 | Stiftung Alfred-Wegener-Institut Für Polar- Und Meeresforschung | Ground water sampling |
-
2016
- 2016-05-25 CN CN201610355102.4A patent/CN105890932B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202005016107U1 (en) * | 2005-10-14 | 2005-12-15 | Walz, Karl-Heinz | Automatic water sampling device for use in e.g. sewer, has hollow body that is evacuated by vacuum pump after switching water level switch, so that body attached with siphon pipe is filled with liquid |
| CN201955253U (en) * | 2011-03-05 | 2011-08-31 | 卢宇昊 | Ditch surface water sampler |
| CN105089664A (en) * | 2015-08-14 | 2015-11-25 | 中国地质调查局水文地质环境地质调查中心 | Automatic measuring system and method for layered water pumping test of deep hole including multiple water-bearing strata |
| CN205012993U (en) * | 2015-08-14 | 2016-02-03 | 中国地质调查局水文地质环境地质调查中心 | Many water -bearing stratum deep hole layering pumping test automatic measurement system |
| CN205679433U (en) * | 2016-05-25 | 2016-11-09 | 河北建筑工程学院 | Water body stratified sampler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105890932A (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20200011768A1 (en) | Long-term in-situ sampling and analysis device for sediment pore water and method thereof | |
| CN104890816B (en) | Timing satellite communication subsurface buoy | |
| CN209014562U (en) | A kind of water monitoring device | |
| CN105890932B (en) | Water body stratified sampler | |
| CN205679433U (en) | Water body stratified sampler | |
| CN104677677B (en) | A kind of releasing type water body acquisition system | |
| CN104677676B (en) | Water collecting device | |
| CN104729880B (en) | A kind of seabed water body spacing sampling equipment | |
| CN206208581U (en) | Sewage disposal water quality sampling device | |
| CN104729882B (en) | Deep-sea hanging type water sample air-tight sampling instrument | |
| CN209280020U (en) | A kind of water quality of the estuary detector | |
| CN205562218U (en) | Novel water is adopted to no cable formula deep water device | |
| CN207717422U (en) | New type of deep-water sampler for environment measuring | |
| CN105595849B (en) | A kind of direct drinking fountain of automatic decision water yield | |
| CN217155932U (en) | Water quality monitoring sampling equipment | |
| CN107389381A (en) | A kind of clamshell methane-generating pit solidliquid mixture sampler | |
| CN116142383A (en) | Marine environment monitoring device | |
| CN206125360U (en) | Take unmanned water quality testing ship of balancing weight mechanism | |
| CN206504900U (en) | It is a kind of based on the adjustable water quality monitoring device for fetching water with multiple sump of depth | |
| CN204642079U (en) | A kind of Novel timing satellite communication subsurface buoy | |
| CN108225838A (en) | One kind renovates closed gastric juice sampler | |
| CN111624038A (en) | Sample collection and water quality monitoring integrated device | |
| CN211904716U (en) | Plankton sampling device | |
| CN208383510U (en) | The long-term in-situ sampling of pore water and analytical equipment | |
| CN203101104U (en) | Bottle liner type water layer sampler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Pei Hongwei Inventor after: Hou Manzhe Inventor after: Han Yan Inventor after: Zhu Wenzhuang Inventor after: Ma Liyong Inventor after: Ji Gaoqing Inventor after: Zhao Lijuan Inventor after: Jin Xiaoqing Inventor after: Liu Yahe Inventor after: Cao Meiting Inventor after: Shen Yanjun Inventor after: Jia Yugui Inventor after: Geng Mingchao Inventor after: Min Leilei Inventor after: Wu Lin Inventor after: Ma Hong Inventor before: Ma Hong Inventor before: Zhao Lijuan Inventor before: Jin Xiaoqing Inventor before: Shen Yanjun Inventor before: Jia Yugui Inventor before: Pei Hongwei Inventor before: Min Leilei Inventor before: Wu Lin Inventor before: Hou Manzhe Inventor before: Ma Liyong Inventor before: Ji Gaoqing |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220630 Address after: 075000 No.12, Lingyuan Road, Qiaodong District, Zhangjiakou City, Hebei Province Patentee after: Zhangjiakou Haoyuan environmental protection equipment operation Co.,Ltd. Address before: No. 13 Chaoyang Street, Zhangjiakou, Hebei, Hebei Patentee before: HEBEI University OF ARCHITECTURE |
|
| TR01 | Transfer of patent right |