CN110646475A - Liquid detection device - Google Patents
Liquid detection device Download PDFInfo
- Publication number
- CN110646475A CN110646475A CN201810677737.5A CN201810677737A CN110646475A CN 110646475 A CN110646475 A CN 110646475A CN 201810677737 A CN201810677737 A CN 201810677737A CN 110646475 A CN110646475 A CN 110646475A
- Authority
- CN
- China
- Prior art keywords
- circuit
- dielectric constant
- shell
- area
- liquid detection
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 64
- 239000007788 liquid Substances 0.000 title claims abstract description 52
- 230000003287 optical effect Effects 0.000 claims abstract description 38
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 230000006698 induction Effects 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
Landscapes
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to the technical field of liquid detection, and discloses a liquid detection device which comprises a circuit device, wherein the circuit device comprises a circuit device body, one end of the circuit device body is fixedly connected with a circuit board, one end, close to the circuit board, of the circuit body is inserted into a shell, a prism is arranged in the middle of the shell, one end, close to the circuit board, of the circuit device body is provided with a groove, an optical coupler realization area is arranged in the groove, an optical coupler circuit is arranged in the optical coupler realization area, the optical coupler circuit comprises a photoelectric light emitting tube and a photoelectric receiving tube, and a dielectric constant detection area is arranged in the circuit board and is inserted into the shell. This liquid detection device realizes regional and dielectric constant detection area through setting up the opto-coupler, and the cooperation that opto-coupler and dielectric constant detected can know that the shell is in the air, in the oil, still in aqueous to reach the detection mesh.
Description
Technical Field
The invention relates to the technical field of liquid detection, in particular to a liquid detection device.
Background
At present, a known device capable of distinguishing liquids with different characteristics consists of a floater and a plurality of reed pipes. When the device is fixed at the corresponding position, the characteristics of the corresponding liquid are confirmed by utilizing the difference of the buoyancy of the float by different liquids. However, the structure is large, the requirement on the purity of liquid is high, the required liquid amount to be detected is large, and the potential danger of blocking exists under the condition that a moving part exists. The method is most applicable to the condition that the liquid amount to be detected is small (if the double-layer oil tank of the gas station leaks), and the method is easy to cause wrong judgment.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the liquid detection device which has the advantages of small volume, accurate detection, no moving part, only a small amount of liquid to be detected, convenience in popularization and use and the like, and solves the problems that the existing liquid detection device is large in volume, needs a relatively large amount of liquid to be detected, has hidden danger of jamming, is easy to cause wrong judgment and the like.
(II) technical scheme
In order to realize the purposes of small volume, accurate detection, no moving part, only a small amount of liquid to be detected and convenient popularization and use, the invention provides the following technical scheme: the utility model provides a liquid detection device, includes circuit arrangement, circuit arrangement includes the circuit arrangement body, the one end fixedly connected with circuit board of circuit arrangement body, the one end that the circuit body is close to the circuit board is pegged graft in the inside of shell, the middle part of shell is provided with the prism, the one end that the circuit arrangement body is close to the circuit board is seted up flutedly, it realizes regionally to be provided with the opto-coupler in the recess, the inside of circuit board is provided with the dielectric constant and detects regionally, circuit arrangement pegs graft with the shell.
Preferably, an optical coupling circuit is arranged in the optical coupling realization area, and the optical coupling circuit comprises a photoelectric light emitting tube and a photoelectric receiving tube.
Preferably, a dielectric constant detection circuit is arranged in the dielectric constant detection area, and the dielectric constant detection circuit comprises a metal induction disc, a special chip and an external capacitor.
Preferably, the housing is transparent.
Preferably, the prism is disposed right above the optical coupling realization region.
(III) advantageous effects
Compared with the prior art, the invention provides a liquid detection device, which has the following beneficial effects:
1. the liquid detection device is provided with the optical coupler implementation area, when the device is in the air, light emitted by the optical coupler implementation area can be totally reflected at the plane position of the shell, and most of light beams can be emitted back to the optical coupler implementation area; when the device is in liquid, because the refractive index of the liquid is similar to that of the material used by the prism, light emitted by the optical coupler realization area can be emitted out of the device through the plane position of the shell, and only a small amount of light beams are emitted back to the optical coupler realization area; the voltage of the receiving end of the area is realized by measuring the optical coupler, so that the two states can be sensed, and the two states are distinguished to judge whether the product is in the air or the liquid.
2. The liquid detection device can sense the collecting and dispersing capacitance values nearby the liquid detection device by arranging the dielectric constant detection area, and can know the corresponding dielectric constant values nearby the liquid detection device and different substances according to the different dielectric constant values by detecting the change of the collecting and dispersing capacitance values nearby the liquid detection device, and the shell is judged to be in water or air or oil according to the size of the dielectric constant values.
3. This liquid detection device realizes regional and dielectric constant detection area through setting up the opto-coupler, and the cooperation that opto-coupler and dielectric constant detected can know that the shell is in the air, in the oil, still in aqueous to reach the detection mesh.
Drawings
FIG. 1 is a partial perspective view of a liquid detection device according to the present invention;
FIG. 2 is a schematic view of a liquid detection apparatus according to the present invention;
FIG. 3 is a schematic left-view structural diagram of a liquid detection apparatus according to the present invention;
FIG. 4 is a schematic bottom view of a liquid detection apparatus according to the present invention;
FIG. 5 is a schematic top view of a circuit device of the liquid detection apparatus according to the present invention;
FIG. 6 is a schematic circuit diagram of an optical coupling circuit in the liquid detection apparatus according to the present invention;
fig. 7 is a schematic circuit diagram of a dielectric constant detection circuit in a liquid detection device according to the present invention.
In the figure: the circuit device comprises a circuit device 1, a circuit device 101 body, a circuit board 102, a shell 2, a prism 3, a groove 4, an optical coupler realization area 5 and a dielectric constant detection area 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides the following technical solutions: a liquid detection device comprises a circuit device 1, the circuit device 1 comprises a circuit device body 101, one end of the circuit device body 101 is fixedly connected with a circuit board 102, one end of the circuit body 101, close to the circuit board 102, is inserted into a shell 2, the shell 2 is transparent, a prism 3 is arranged in the middle of the shell 2, the prism 3 is arranged right above an optical coupling realization area 5, one end of the circuit device body 101, close to the circuit board 102, is provided with a groove 4, the optical coupling realization area 5 is arranged in the groove 4, an optical coupling circuit is arranged in the optical coupling realization area 5, the optical coupling circuit comprises a photoelectric light emitting tube (D8 in figure 6) and a photoelectric receiving tube (Q1 in figure 6), the optical circuit is adjusted and deflected by matching with the prism 3 on the shell 2, the phenomenon that light can be refracted when being transmitted in an uneven medium is utilized, when a specific area on the outer, when the area is contacted with liquid, such as alcohol, water, oil and the like, because the refractive index of the liquid is similar to that of a transparent shell, most of the light beams can be diffused outwards of the device in a refraction and transmission mode, the light intensity received by the photoelectric receiving tube is weakened, the area 5 is realized by arranging the optical coupler, when the device is in the air, the light emitted by the area 5 is realized by the optical coupler, the light can be totally reflected at the plane position of the shell 2, and most of the light beams can be reflected back to the area 5; when the device is in liquid, because the refractive index of the liquid is similar to that of the material used by the prism 3, light emitted by the optical coupler realization area 5 can be emitted out of the device through the plane position of the shell 2, and only a small amount of light beams are emitted back to the optical coupler realization area 5; the two states can be sensed by measuring the voltage at the receiving end of the optical coupler realization area 5, and the two states can be distinguished to judge whether the product is in the air or in the liquid, the circuit board 102 is internally provided with a dielectric constant detection area 6, the dielectric constant detection area 6 is internally provided with a dielectric constant detection circuit, the dielectric constant detection circuit comprises a metal induction disc (P in figure 7), a special chip (U in figure 7) and an externally-hung capacitor (C in figure 7), the chip mainly comprises an internal oscillation starting circuit and a frequency detection circuit, when the medium changes at the corresponding position of the induction disc, the dielectric constant of the induction disc also changes, the dielectric constant changes, the C value in an R/C oscillation circuit can be changed, the change of the C value can be sensed by the frequency detection circuit, and the collecting and dispersing capacitance values near the dielectric constant detection area 6 can be sensed by the arrangement of the dielectric constant detection area, through detecting the change of its nearby distributed capacitance value, can know the dielectric constant value that its nearby corresponds, different materials, to the dielectric constant value with regard to the difference, through the size of this numerical value, judge that the shell is in aqueous, still in air or oil, realize regional 5 and dielectric constant detection area 6 through setting up the opto-coupler, the cooperation that opto-coupler and dielectric constant detected, can know the shell in the air, in the oil, still in aqueous, in order to reach the detection purpose, circuit arrangement 1 is pegged graft with shell 2.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
When the optical coupler circuit is used, when light returns, the medium of the optical coupler circuit is gas; when the optical coupling circuit does not return light, the medium is liquid; when the dielectric constant detection circuit detects that the dielectric constant value is higher, the medium is a high-dielectric-constant substance such as water; when the dielectric constant detection circuit detects that the dielectric constant value is low, the medium is a low-dielectric-constant substance such as air or oil.
In summary, in the liquid detection device, the optical coupler implementation area 5 is arranged, and when the device is in the air, light emitted by the optical coupler implementation area 5 is totally reflected at the plane position of the shell 2, and most of light beams can be emitted back to the optical coupler implementation area 5; when the device is in liquid, because the refractive index of the liquid is similar to that of the material used by the prism 3, light emitted by the optical coupler realization area 5 can be emitted out of the device through the plane position of the shell 2, and only a small amount of light beams are emitted back to the optical coupler realization area 5; the two states can be sensed by measuring the voltage of the receiving end of the optical coupler realization area 5, and the two states are distinguished to judge whether the product is in the air or the liquid; the dielectric constant detection area 6 is arranged to sense the collecting and dispersing capacitance values nearby the dielectric constant detection area, and the corresponding dielectric constant values nearby the dielectric constant detection area can be known by detecting the change of the collecting and dispersing capacitance values nearby the dielectric constant detection area, and for different substances, the value of the dielectric constant corresponding to the different substances is used for judging whether the shell is in water or air or oil; realize regional 5 and dielectric constant detection area 6 through setting up the opto-coupler, the cooperation that opto-coupler and dielectric constant detected can know that the shell is in the air, in the oil, still in aqueous to reach the detection purpose.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A liquid detection device comprising circuit means (1), characterized in that: the circuit device (1) comprises a circuit device body (101), a circuit board (102) is fixedly connected to one end of the circuit device body (101), one end, close to the circuit board (102), of the circuit body (101) is connected to the inside of the shell (2) in an inserting mode, a prism (3) is arranged in the middle of the shell (2), a groove (4) is formed in one end, close to the circuit board (102), of the circuit device body (101), an optical coupling achieving area (5) is arranged in the groove (4), a dielectric constant detecting area (6) is arranged in the circuit board (102), and the circuit device (1) is connected to the shell (2) in an inserting mode.
2. A liquid detection device as claimed in claim 1, wherein: the inside of opto-coupler realization region (5) is provided with the opto-coupler circuit, the opto-coupler circuit includes photoelectric emission pipe and photoelectric receiving tube.
3. A liquid detection device as claimed in claim 1, wherein: and a dielectric constant detection circuit is arranged in the dielectric constant detection area (6), and comprises a metal induction disc, a special chip and an external capacitor.
4. A liquid detection device as claimed in claim 1, wherein: the shell (2) is transparent.
5. A liquid detection device as claimed in claim 1, wherein: the prism (3) is arranged right above the optical coupling realization area (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810677737.5A CN110646475A (en) | 2018-06-27 | 2018-06-27 | Liquid detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810677737.5A CN110646475A (en) | 2018-06-27 | 2018-06-27 | Liquid detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110646475A true CN110646475A (en) | 2020-01-03 |
Family
ID=69009016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810677737.5A Pending CN110646475A (en) | 2018-06-27 | 2018-06-27 | Liquid detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110646475A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001242079A (en) * | 2000-02-25 | 2001-09-07 | Osp:Kk | Optical device for detecting/recognizing liquid |
| US20030030790A1 (en) * | 1997-03-05 | 2003-02-13 | John Rakucewicz | Failure detecting optoelectronic sensor |
| US20040061043A1 (en) * | 2002-10-01 | 2004-04-01 | Kline Bruce R. | Optically coupled sensor for application to combustible liquids |
| CN201259410Y (en) * | 2008-07-18 | 2009-06-17 | 北京五岳鑫信息技术股份有限公司 | Multimode paper thickness measuring device |
| CN101561517A (en) * | 2009-05-12 | 2009-10-21 | 广州市怡文科技有限公司 | Non-contact type detector and detecting method of liquid in pipe |
| CA2765506A1 (en) * | 2009-06-26 | 2010-12-29 | Alan Kenneth Mccall | Liquid level and quality sensing apparatus, systems and methods using emf wave propagation |
| CN102530446A (en) * | 2011-12-08 | 2012-07-04 | 飞秒光电科技(西安)有限公司 | Oil leakage detecting device for oil tank |
| CN202548088U (en) * | 2012-05-03 | 2012-11-21 | 北京宝力马传感技术有限公司 | Method for detecting moisture in oil and device for method |
| CN203443636U (en) * | 2013-09-18 | 2014-02-19 | 杨识君 | Photoelectric liquid level sensor |
| CN204479658U (en) * | 2015-03-13 | 2015-07-15 | 吉林大学 | A kind of portable fluid dielectric constant measurement pen |
| CN105841764A (en) * | 2016-03-24 | 2016-08-10 | 高金余 | Multiphase flowmeter multiphase fluid proportion measuring system |
| CN205861161U (en) * | 2016-07-19 | 2017-01-04 | 深圳市能点科技有限公司 | Liquid level detection device |
| CN206515280U (en) * | 2017-07-13 | 2017-09-22 | 西安安森智能仪器股份有限公司 | A kind of medium sensor |
| CN208297344U (en) * | 2018-06-27 | 2018-12-28 | 深圳市湛华技术有限公司 | A kind of liquid-detecting |
-
2018
- 2018-06-27 CN CN201810677737.5A patent/CN110646475A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030030790A1 (en) * | 1997-03-05 | 2003-02-13 | John Rakucewicz | Failure detecting optoelectronic sensor |
| JP2001242079A (en) * | 2000-02-25 | 2001-09-07 | Osp:Kk | Optical device for detecting/recognizing liquid |
| US20040061043A1 (en) * | 2002-10-01 | 2004-04-01 | Kline Bruce R. | Optically coupled sensor for application to combustible liquids |
| CN201259410Y (en) * | 2008-07-18 | 2009-06-17 | 北京五岳鑫信息技术股份有限公司 | Multimode paper thickness measuring device |
| CN101561517A (en) * | 2009-05-12 | 2009-10-21 | 广州市怡文科技有限公司 | Non-contact type detector and detecting method of liquid in pipe |
| CA2765506A1 (en) * | 2009-06-26 | 2010-12-29 | Alan Kenneth Mccall | Liquid level and quality sensing apparatus, systems and methods using emf wave propagation |
| CN102530446A (en) * | 2011-12-08 | 2012-07-04 | 飞秒光电科技(西安)有限公司 | Oil leakage detecting device for oil tank |
| CN202548088U (en) * | 2012-05-03 | 2012-11-21 | 北京宝力马传感技术有限公司 | Method for detecting moisture in oil and device for method |
| CN203443636U (en) * | 2013-09-18 | 2014-02-19 | 杨识君 | Photoelectric liquid level sensor |
| CN204479658U (en) * | 2015-03-13 | 2015-07-15 | 吉林大学 | A kind of portable fluid dielectric constant measurement pen |
| CN105841764A (en) * | 2016-03-24 | 2016-08-10 | 高金余 | Multiphase flowmeter multiphase fluid proportion measuring system |
| CN205861161U (en) * | 2016-07-19 | 2017-01-04 | 深圳市能点科技有限公司 | Liquid level detection device |
| CN206515280U (en) * | 2017-07-13 | 2017-09-22 | 西安安森智能仪器股份有限公司 | A kind of medium sensor |
| CN208297344U (en) * | 2018-06-27 | 2018-12-28 | 深圳市湛华技术有限公司 | A kind of liquid-detecting |
Non-Patent Citations (3)
| Title |
|---|
| 林国美;冯新泸;管亮;: "基于CDC技术和虚拟仪器的液态物质相对介电常数测定仪的研制", 化工自动化及仪表, no. 07, 10 July 2010 (2010-07-10), pages 62 - 65 * |
| 贾辉军;: "基于微变电容腔油水比例测量原理的油膜厚度测量传感系统", 天津职业院校联合学报, no. 09, 25 September 2016 (2016-09-25), pages 72 - 76 * |
| 邹大军;李锡文;何锐波;詹小斌;张嘉琪;: "基于有限元分析的粉末介电常数测试装置研制", 仪器仪表学报, no. 02, 15 February 2013 (2013-02-15), pages 424 - 426 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0262670B1 (en) | Fiber optic fluid sensors | |
| CN101561517B (en) | Non-contact type detector and detecting method of liquid in pipe | |
| CN102066883A (en) | Volatile substance evaporator with substance end-of-life detector | |
| CN204649266U (en) | Liquid level sensing device | |
| CN204422786U (en) | A kind of infrared liquid identification sensor | |
| CN110646475A (en) | Liquid detection device | |
| CN211651751U (en) | Liquid level detection device and capacity equipment | |
| CN108955528A (en) | A kind of test method using photoelectric sensor detection PCBA | |
| CN208297344U (en) | A kind of liquid-detecting | |
| CN210051405U (en) | Liquid level sensor adopting laser ranging technology | |
| CN101140181A (en) | Photoelectric liquid level sensor and measuring method thereof | |
| CN206177411U (en) | Explosion -proof level sensor of raman scattering optic fibre | |
| CN211109150U (en) | A sensor that leaks hunting for double-deck oil tank | |
| CN210400539U (en) | Optical pipeline type liquid level sensor | |
| US8084731B2 (en) | Sensor system for liquid detection with lens component having an apex | |
| CN204086579U (en) | A kind of liquid detection sensor | |
| CN210922766U (en) | Capacitive continuous liquid level detection structure and electric kettle thereof | |
| CN208404148U (en) | Drinking equipment | |
| CN203443636U (en) | Photoelectric liquid level sensor | |
| CN220508777U (en) | Plane photoelectric liquid detection device | |
| CN201166261Y (en) | Optical fiber probe for detecting transparent liquid cutoff | |
| CN218180069U (en) | Liquid level detection device | |
| CN220751301U (en) | Liquid level detection device for water purifying and drinking machine | |
| CN206038106U (en) | Optic fibre engine oil level sensor | |
| CN2350737Y (en) | Optical fibre liquid level alarm device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |