CN104034313A - Concentric coplanar annular-trisectional annular-circular nested pole plate inclination angle measuring method and apparatus thereof - Google Patents
Concentric coplanar annular-trisectional annular-circular nested pole plate inclination angle measuring method and apparatus thereof Download PDFInfo
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- CN104034313A CN104034313A CN201410179299.1A CN201410179299A CN104034313A CN 104034313 A CN104034313 A CN 104034313A CN 201410179299 A CN201410179299 A CN 201410179299A CN 104034313 A CN104034313 A CN 104034313A
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 147
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 238000005259 measurement Methods 0.000 claims abstract description 20
- 239000003990 capacitor Substances 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000000691 measurement method Methods 0.000 claims abstract description 7
- 230000001939 inductive effect Effects 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 150000001298 alcohols Chemical class 0.000 claims description 2
- AQEFLFZSWDEAIP-UHFFFAOYSA-N di-tert-butyl ether Chemical compound CC(C)(C)OC(C)(C)C AQEFLFZSWDEAIP-UHFFFAOYSA-N 0.000 claims description 2
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 2
- 150000002170 ethers Chemical class 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000003487 electrochemical reaction Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/20—Measuring inclination, e.g. by clinometers, by levels by using liquids the indication being based on the inclination of the surface of a liquid relative to its container
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
- G01C9/06—Electric or photoelectric indication or reading means
- G01C2009/062—Electric or photoelectric indication or reading means capacitive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C2009/185—Measuring inclination, e.g. by clinometers, by levels by using liquids dielectric
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses a concentric coplanar annular-trisectional annular-circular nested pole plate inclination angle measuring method and an apparatus thereof, and belongs to an angle measurement technique. The annular coplanar capacitive measurement head of a sensor unit is composed of one circular metal plate, three 1/3 annular metal plates and an annular metal plate, the above five metal plates are coplanar and concentric, the three 1/3 annular metal plates are circumferentially uniformly distributed, each of the three 1/3 annular metal plates and the circular metal plate form a capacitor, the annular coplanar capacitive measurement head is placed on two round a circular insulating substrate, the circular insulating substrate is used as the bottom surface of a cylinder container, the cylinder container is transversely arranged, an insulating liquid with the volume of 1/2 of the volume of the container is injected into the container in a sealing manner, a potential lead wire takes out the potential of the five metal plates and is connected with the input end of a capacitance measurement unit, and the capacitance measurement unit is connected with an inclination angle calculation unit; and when the container tilts, the position of the annular coplanar capacitance sensor measurement head relative to the insulating liquid changes, and the inclination angle can be solved by measuring the capacitance of the capacitor.
Description
Technical field
The invention belongs to measurement of angle technical field, relate generally to a kind of inclination angle measurement method and device.
Background technology
At present, the method for sensing at known measurement inclination angle is to utilize the surface of liquid under static state to remain the principle of level.Inside has added the container run-off the straight of liquid, and stable rear liquid level keeps level, but variation has occurred the relative position of liquid and container.By detecting the electrical quantities that this process causes, change, calculate container with respect to the angle of inner liquid surface, and then measure the pitch angle of container.
The sensing mode at the pitch angle between the liquid surface adding for inspection instrument and its inside, can be divided into resistance-type and the large class of electrostatic capacitive two.
In Jap.P. 2001-13160 communique, having introduced the correlation technique of resistance sensor, is in the canister cylindraceous of one end sealing, to be encapsulated into appropriate conductive liquid, and opening stops up with circular metal plate.Pair of metal electrodes is connected and be fixed on plectane.When container lean, container and inner liquid surface angulation change, thereby the contact area of metal electrode and conductive liquid is changed, and the resistance between canister and each metal electrode is changed.By measuring the variation of its resistance value, just can detect the pitch angle of container.
But metal electrode contacts with the direct of conductive liquid, cause the electrochemical reactions such as electrolysis of the separating out of the own metal of electrode, conductive liquid, the precision of sensor and stability are difficult to obtain long-term guarantee.
About static capacity type sensor, in Chinese CN1668892A patent, introduced correlation technique.This sensor is exactly in the tubular closed container of electrical isolation system, to be encapsulated into the conductive liquid of 1/2 amount of internal volume, and container is placed tabular central electrode on interior two parallel sides, and there is silica coverlay on its surface, serves as dielectric.When container lean, container and inner liquid surface angulation change, and the electric capacity between tabular central electrode and conductive liquid is changed.Thereby, the variation of its capacitance is measured, to detect the size at the pitch angle of container.
But the in the situation that of this static capacity type sensor, when angle of inclination that tubular closed container occurs is excessive, the liquid of internal tank is setovered a side and lost and the contacting of another central electrode, now this sensor loses effect.Due to the limitation of principle, its range that can survey pitch angle is always limited, and depends on the physical dimension of internal tank.
Summary of the invention
The present invention is directed to metal electrode and conductive liquid in the sensing mode at above-mentioned existing detection inclination angle directly contact, problems such as finiteness that sensor stability is difficult to obtain long-term guarantee, can surveys inclination angle range, the present invention proposes and has designed the nested pole plate inclination angle measurement method of concentric coplanar ring-trisection ring-circle and device, the insulativity liquid using in this invention has been avoided the electrochemical reactions such as separating out of pole plate, and the coplanar capacitance structure of annular in sensor unit has been realized 360 degree gamuts and measured.
Object of the present invention is achieved through the following technical solutions:
The nested pole plate inclination angle measurement method of concentric coplanar ring-trisection ring-circle, described method step is as follows:
(1), by a central circular sheet metal, the coplanar concentric placement of transition circle annular metal sheet and outer circle annular metal sheet, and transition circle annular metal sheet is trisection radially, obtain three part of 1/3rd circular ring metal plate, described every a 1/3rd circular ring metal plates form electric capacity with central circular sheet metal respectively, described every a 1/3rd circular ring metal plates form electric capacity with outer circle annular metal sheet respectively, described central circular sheet metal and outer circle annular metal sheet electrical grounding, a described central circular sheet metal, three part of 1/3rd circular ring metal plate and the combination of outer circle annular metal sheet obtain annular coplanar electric capacity gauge head,
(2), the coplanar electric capacity gauge head of annular is dipped vertically in insulativity liquid, the liquid level of insulativity liquid is by the center of annular coplanar electric capacity gauge head, the capacitor's capacity that the capacitor's capacity that every a 1/3rd circular ring metal plates and central circular sheet metal form and every a 1/3rd circular ring metal plates and outer circle annular metal sheet form by the specific inductive capacity of air, the specific inductive capacity of insulativity liquid, separately pole plate exposed in air right segment angle and be immersed in insulativity liquid partly right segment angle and jointly determine partly;
(3), when the coplanar electric capacity gauge head of above-mentioned annular carries out circumference rotation along center, its inclination angle changes, the liquid level of insulativity liquid keeps level, the relative position of the coplanar electric capacity gauge head of annular and insulativity liquid changes, each pole plate exposed in air the right segment angle of part and be immersed in the right segment angle of part in insulativity liquid and change, measure the variation of the capacitor's capacity of above-mentioned 1/3rd circular ring metal plates and the formation of central circular sheet metal and the capacitor's capacity of above-mentioned 1/3rd circular ring metal plates and the formation of outer circle annular metal sheet, try to achieve inclination angle value.
The nested pole plate dip measuring device of concentric coplanar ring-trisection ring-circle, comprises capacitance measurement unit and inclination angle computing unit, and described capacitance measurement unit is connected with inclination angle computing unit; Described device also comprises sensor unit, the structure of described sensor unit is: the circular insulated substrate of the at one end openend of opening-like cylindrical container sealing assembling is positioned at equipped annular coplanar electric capacity gauge head on the inboard face of round insulation substrate in cylindrical container chamber; The coplanar electric capacity gauge head of described annular consists of a circular metal plate, three 1/3rd circular ring metal plates and a circular ring metal plate, wherein three 1/3rd circular ring metal plates are configured in a circular metal plate outside, a circular ring metal plate inboard, and three 1/3rd circular ring metal plates and a circular metal plate, a circular ring metal plate are coplanar concentric, and three 1/3rd circular ring metal plates are uniformly distributed circumferentially; Five current potential lead-in wires are connected circular metal plate, three 1/3rd circular ring metal plates, a circular ring metal plate respectively successively with the input end of capacitance measurement unit; Described cylindrical container is horizontal, and in described cylindrical container, the insulativity liquid that accounts for cylindrical container volume 1/2nd is injected in sealing.
The present invention has following characteristics and good result:
Therefore (1) comparing with resistance-type dip measuring device, is insulativity liquid due to what contact with electrode pad, has avoided the electrochemical reactions such as separating out of the metal of pole plate own, stability and reliability that can long term maintenance sensor.
(2) compare with electrostatic capacitive dip measuring device, because horizontal container can be along the rotation of central axis 360 degree, the capacitance of output all the time with pitch angle existence function relation, so measurement range is unrestricted, has the advantages that 360 degree gamuts are measured.
(3) outside circular ring metal plate and central circular sheet metal electrical grounding participate in electric capacity calculating; be equivalent to the area that has increased central circular sheet metal; improved the sensitivity of measurement of dip angle; three part of 1/3rd circular ring metal plate played to current potential protective effect simultaneously; reduce the interference of outer bound pair 1/3rd circular ring metal plates, made measurement result more accurate.
Accompanying drawing explanation
Fig. 1 is the profile skeleton view of the sensor unit of the nested pole plate dip measuring device of concentric coplanar ring-trisection ring-circle
Fig. 2 is the principle schematic of annular coplanar electric capacity gauge head in the sensor unit of the nested pole plate dip measuring device of concentric coplanar ring-trisection ring-circle
Fig. 3 is the front elevation of annular coplanar electric capacity gauge head in the sensor unit of the nested pole plate dip measuring device of concentric coplanar ring-trisection ring-circle
Fig. 4 is key diagram when annular coplanar electric capacity gauge head tilts in the sensor unit of the nested pole plate dip measuring device of concentric coplanar ring-trisection ring-circle
Fig. 5 is the one-piece construction schematic diagram of the nested pole plate dip measuring device of concentric coplanar ring-trisection ring-circle
Piece number explanation in figure: 1 annular coplanar electric capacity gauge head, 2 circular metal plates, 3,4,1/5th three circular ring metal plate, 6 circular ring metal plates, 7 round insulation substrates, 8 cylindrical containers, 9 insulativity liquid, 10,11,12,13,14 current potential lead-in wires, 15 sensor units, 16 capacitance measurement unit, 17 inclination angle computing units.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in detail.
The nested pole plate dip measuring device of concentric coplanar ring-trisection ring-circle, comprises sensor unit 15, capacitance measurement unit 16 and inclination angle computing unit 17, is illustrated in figure 5 the one-piece construction schematic diagram of dip measuring device.
The profile skeleton view of the sensor unit of dip measuring device shown in Fig. 1, the structure of described sensor unit 15 is: the circular insulated substrate 7 of the at one end openend of opening-like cylindrical container 8 sealing assembling is positioned at equipped annular coplanar electric capacity gauge head 1 on the inboard face of round insulation substrate 7 in cylindrical container 8 chambeies; The coplanar electric capacity gauge head 1 of described annular consists of a circular metal plate 2, three 3,4,5 and circular ring metal plates of 1/3rd circular ring metal plates 6, wherein three 1/3rd circular ring metal plates 3,4,5 are configured in circular metal plate 2 outsides, circular ring metal plate 6 inboards, and three 1/3rd circular ring metal plates 3,4,5 and a circular metal plate 2, a circular ring metal plate 6 are coplanar concentric, and three 1/3rd circular ring metal plates 3,4,5 are uniformly distributed circumferentially; Five current potentials lead-in wire 10,11,12,13,14 is connected circular metal plate 2, three 3,4,5, circular ring metal plates 6 of 1/3rd circular ring metal plates respectively successively with the input end of capacitance measurement unit 16; Described cylindrical container 8 is horizontal, in the interior sealing of described cylindrical container 8, injects the insulativity liquid 9 that accounts for cylindrical container 8 volumes 1/2nd.
Described round insulation substrate 7 is made by resin glass fiber material.
Described insulativity liquid 9 is the liquid of one or more composition combinations by the ketone of the alcohols of methyl alcohol, ethanol, isopropyl alcohol, acetone, butanone, in the ethers of diglycol monotertiary butyl ether.
The nested pole plate inclination angle measurement method of concentric coplanar ring-trisection ring-circle, the method step is as follows:
(1) by a central circular sheet metal, the coplanar concentric placement of transition circle annular metal sheet and outer circle annular metal sheet, and transition circle annular metal sheet is trisection radially, obtain three part of 1/3rd circular ring metal plate, described every a 1/3rd circular ring metal plates form electric capacity with central circular sheet metal respectively, described every a 1/3rd circular ring metal plates form electric capacity with outer circle annular metal sheet respectively, described central circular sheet metal and outer circle annular metal sheet electrical grounding, a described central circular sheet metal, three part of 1/3rd circular ring metal plate and the combination of outer circle annular metal sheet obtain annular coplanar electric capacity gauge head.
With reference to accompanying drawing 2, between the sheet metal of annular coplanar electric capacity gauge head, line of electric force is uniformly distributed along sheet metal, can be similar to semicircular arc line and replace.According to the solution formula of single coplanar electric capacity, the coplanar electric capacity of known annular and dielectric specific inductive capacity are proportional, can be represented by the formula.
C＝K·ε
(2) the coplanar electric capacity gauge head of annular is dipped vertically in insulativity liquid, the liquid level of insulativity liquid is by the center of annular coplanar electric capacity gauge head, the capacitor's capacity that the capacitor's capacity that every a 1/3rd circular ring metal plates and central circular sheet metal form and every a 1/3rd circular ring metal plates and outer circle annular metal sheet form by the specific inductive capacity of air, the specific inductive capacity of insulativity liquid, separately pole plate exposed in air right segment angle and be immersed in insulativity liquid partly right segment angle and jointly determine partly.
Fig. 3 is the front elevation of annular coplanar electric capacity gauge head in the sensor unit of inclination angle sensing device, and sheet metal 2,3 formed electric capacity, sheet metal 2,4 formed electric capacity, sheet metal 2,5 formed electric capacity, sheet metal 3,6 formed electric capacity, sheet metal 4,6 formed electric capacity and sheet metal 5,6 formed electric capacity can represent with following formula respectively.
(3) when the coplanar electric capacity gauge head of above-mentioned annular carries out circumference rotation along center, its inclination angle changes, the liquid level of insulativity liquid keeps level, the relative position of annular coplanar electric capacity gauge head and insulativity liquid changes, the exposed segment angle that part is right in air of each pole plate and be immersed in insulativity liquid partly right segment angle and change.
Key diagram when Fig. 4 illustrates annular coplanar electric capacity gauge head inclination.Now sheet metal 2,3 formed electric capacity, sheet metal 2,4 formed electric capacity, sheet metal 2,5 formed electric capacity, sheet metal 3,6 formed electric capacity, sheet metal 4,6 formed electric capacity and sheet metal 5,6 formed electric capacity are respectively:
Due to sheet metal 2 and sheet metal 6 electrical groundings, sheet metal 2,3 formed electric capacity are relation in parallel with sheet metal 3,6 formed electric capacity, sheet metal 2,4 formed electric capacity are relation in parallel with sheet metal 4,6 formed electric capacity, sheet metal 2,5 formed electric capacity are relation in parallel with sheet metal 5,6 formed electric capacity, to above formula combination summation, can obtain:
To above formula do poor, summation can obtain:
And then the solution formula of trying to achieve pitch angle is:
By capacitance measurement unit and inclination angle computing unit, the signal obtaining is compared to processing, can obtain pitch angle output.
Claims (4)
1. the nested pole plate inclination angle measurement method of concentric coplanar ring-trisection ring-circle, is characterized in that: described method step is as follows:
(1), by a central circular sheet metal, the coplanar concentric placement of transition circle annular metal sheet and outer circle annular metal sheet, and transition circle annular metal sheet is trisection radially, obtain three part of 1/3rd circular ring metal plate, described every a 1/3rd circular ring metal plates form electric capacity with central circular sheet metal respectively, described every a 1/3rd circular ring metal plates form electric capacity with outer circle annular metal sheet respectively, described central circular sheet metal and outer circle annular metal sheet electrical grounding, a described central circular sheet metal, three part of 1/3rd circular ring metal plate and the combination of outer circle annular metal sheet obtain annular coplanar electric capacity gauge head,
(2), the coplanar electric capacity gauge head of annular is dipped vertically in insulativity liquid, the liquid level of insulativity liquid is by the center of annular coplanar electric capacity gauge head, the capacitor's capacity that the capacitor's capacity that every a 1/3rd circular ring metal plates and central circular sheet metal form and every a 1/3rd circular ring metal plates and outer circle annular metal sheet form by the specific inductive capacity of air, the specific inductive capacity of insulativity liquid, separately pole plate exposed in air right segment angle and be immersed in insulativity liquid partly right segment angle and jointly determine partly;
(3), when the coplanar electric capacity gauge head of above-mentioned annular carries out circumference rotation along center, its inclination angle changes, the liquid level of insulativity liquid keeps level, the relative position of the coplanar electric capacity gauge head of annular and insulativity liquid changes, each pole plate exposed in air the right segment angle of part and be immersed in the right segment angle of part in insulativity liquid and change, measure the variation of the capacitor's capacity of above-mentioned 1/3rd circular ring metal plates and the formation of central circular sheet metal and the capacitor's capacity of above-mentioned 1/3rd circular ring metal plates and the formation of outer circle annular metal sheet, try to achieve inclination angle value.
2. the nested pole plate dip measuring device of concentric coplanar ring-trisection ring-circle, comprises capacitance measurement unit (16) and inclination angle computing unit (17), and described capacitance measurement unit (16) is connected with inclination angle computing unit (17); It is characterized in that: described device also comprises sensor unit (15), the structure of described sensor unit (15) is: the at one end openend of opening-like cylindrical container (8) sealing assembling circular insulated substrate (7) is positioned at equipped annular coplanar electric capacity gauge head (1) on the inboard face of round insulation substrate (7) in cylindrical container (8) chamber; The coplanar electric capacity gauge head of described annular (1) consists of a circular metal plate (2), three 1/3rd circular ring metal plates (3,4,5) and a circular ring metal plate (6), wherein three 1/3rd circular ring metal plates (3,4,5) are configured in a circular metal plate (2) outside, a circular ring metal plate (6) inboard, and three 1/3rd circular ring metal plates (3,4,5) and a circular metal plate (2), a circular ring metal plate (6) are coplanar concentric, and three 1/3rd circular ring metal plates (3,4,5) are uniformly distributed circumferentially; Five current potential lead-in wires (10,11,12,13,14) are connected circular metal plate (2), three 1/3rd circular ring metal plates (3,4,5), a circular ring metal plate (6) respectively successively with the input end of capacitance measurement unit (16); Described cylindrical container (8) is horizontal, and in described cylindrical container (8), the insulativity liquid (9) that accounts for cylindrical container (8) volume 1/2nd is injected in sealing.
3. the nested pole plate dip measuring device of concentric coplanar ring-trisection ring-circle according to claim 2, is characterized in that: described round insulation substrate (7) is made by resin glass fiber material.
4. the nested pole plate dip measuring device of concentric coplanar ring-trisection ring-circle according to claim 2, is characterized in that: described insulativity liquid (9) is by the alcohols of methyl alcohol, ethanol, isopropyl alcohol, acetone, the ketone of butanone, the liquid of one or more composition combinations in the ethers of diglycol monotertiary butyl ether.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179299.1A CN104034313B (en) | 2014-04-28 | 2014-04-28 | The nested pole plate inclination angle measurement method of concentric coplanar ring-trisection ring-circle and device |
| PCT/CN2015/075460 WO2015165316A1 (en) | 2014-04-28 | 2015-03-31 | Method and device for measuring dip angle of oppositely crossly placed paired quartered ring-quartered circle nested polar plates |
| US15/307,300 US10145683B2 (en) | 2014-04-28 | 2015-03-31 | Method and device for measuring dip angle of oppositely crossly placed paired quartered ring-quartered circle nested polar plates |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179299.1A CN104034313B (en) | 2014-04-28 | 2014-04-28 | The nested pole plate inclination angle measurement method of concentric coplanar ring-trisection ring-circle and device |
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| Publication Number | Publication Date |
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| CN104034313A true CN104034313A (en) | 2014-09-10 |
| CN104034313B CN104034313B (en) | 2016-08-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015165316A1 (en) * | 2014-04-28 | 2015-11-05 | 哈尔滨工业大学 | Method and device for measuring dip angle of oppositely crossly placed paired quartered ring-quartered circle nested polar plates |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4866850A (en) * | 1987-01-23 | 1989-09-19 | Kelly Vincent M | Clinometer with rolling liquid conductor |
| EP0464145B1 (en) * | 1989-03-21 | 1996-07-17 | Zircon International, Inc. | Electronic capacitive level with automatic electrode selection |
| JP2004069610A (en) * | 2002-08-08 | 2004-03-04 | Tokai Rika Co Ltd | Tilt detecting apparatus |
| CN102818560A (en) * | 2012-08-29 | 2012-12-12 | 王业路 | Trisection circular level |
| CN203298764U (en) * | 2013-06-04 | 2013-11-20 | 南京航空航天大学 | Tilt angle sensor |
| US20140082954A1 (en) * | 2012-09-27 | 2014-03-27 | Sagatek Co., Ltd. | Multilayered Liquid Capacitive Micro Inclinometer |
-
2014
- 2014-04-28 CN CN201410179299.1A patent/CN104034313B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4866850A (en) * | 1987-01-23 | 1989-09-19 | Kelly Vincent M | Clinometer with rolling liquid conductor |
| EP0464145B1 (en) * | 1989-03-21 | 1996-07-17 | Zircon International, Inc. | Electronic capacitive level with automatic electrode selection |
| JP2004069610A (en) * | 2002-08-08 | 2004-03-04 | Tokai Rika Co Ltd | Tilt detecting apparatus |
| CN102818560A (en) * | 2012-08-29 | 2012-12-12 | 王业路 | Trisection circular level |
| US20140082954A1 (en) * | 2012-09-27 | 2014-03-27 | Sagatek Co., Ltd. | Multilayered Liquid Capacitive Micro Inclinometer |
| CN203298764U (en) * | 2013-06-04 | 2013-11-20 | 南京航空航天大学 | Tilt angle sensor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015165316A1 (en) * | 2014-04-28 | 2015-11-05 | 哈尔滨工业大学 | Method and device for measuring dip angle of oppositely crossly placed paired quartered ring-quartered circle nested polar plates |
| US10145683B2 (en) | 2014-04-28 | 2018-12-04 | Harbin Institute Of Technology | Method and device for measuring dip angle of oppositely crossly placed paired quartered ring-quartered circle nested polar plates |
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| CN104034313B (en) | 2016-08-24 |
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