CN103115611A - Angle measuring device - Google Patents
Angle measuring device Download PDFInfo
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- CN103115611A CN103115611A CN2013100207182A CN201310020718A CN103115611A CN 103115611 A CN103115611 A CN 103115611A CN 2013100207182 A CN2013100207182 A CN 2013100207182A CN 201310020718 A CN201310020718 A CN 201310020718A CN 103115611 A CN103115611 A CN 103115611A
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Abstract
The invention provides an angle measuring device which comprises an insulating shell, an electrode, multiple conducting strips, multiple resistors and a conducting solution, wherein the electrode is arranged in the insulating shell, the two ends of the electrode are respectively arranged on the insulating shell, the conducting solution is accommodated in the insulating shell, the multiple conducting strips are arranged on the inner wall surface of the insulating shell at a certain interval, the multiple conducting strips can be grouped, the centers of the conducting strips in each group are located in a same straight line, the straight line is parallel to the electrode, the multiple resistors can be grouped, the resistors in each group are connected in series, and arranged on the outer wall surface of the insulating shell at a certain interval, and a resistor is connected between adjacent two conducting strips. According to the technical scheme provided by the invention, when an angle inclination phenomenon occurs, the number of immersed conducting strips is obtained through measuring the resistance values of the resistors, thereby knowing the change of the liquid level; and through calculation, the inclination angle and the inclination direction are obtained. The device is simple in structure, low in manufacturing cost, and applicable to occasions with low accuracy requirements.
Description
Technical field
The present invention relates to the plant equipment field, more specifically, relate to a kind of angle measurement unit.
Background technology
Measurement of angle is very general on engineering equipment, in some occasion double-shaft tilt angle sensor price too expensive, and the function that angle measurement unit is realized is alarm only, need not too high precision, therefore design a kind of angle measurement unit, simple in structure, cheap practicality is the problem of needing solution badly.
Summary of the invention
For solving the problems of the technologies described above, the object of the invention is to, a kind of angle measurement unit is provided, this apparatus structure is simple, and is cheap practical, is applicable to the not high occasion of accuracy requirement.
in view of this, the invention provides a kind of angle measurement unit, comprise insulation shell, electrode, a plurality of conducting strips, a plurality of resistance and conducting solution, described electrode is arranged in described insulation shell, two ends are separately positioned on described insulation shell, described conducting solution is contained in described insulation shell, a plurality of described conducting strips are disposed on the internal face of described insulation shell, a plurality of described conducting strips can divide in groups, being centered close on same straight line of described conducting strip in each group, described straight line is parallel with described electrode, a plurality of described resistance can divide in groups, described resistance series connection in each group, be disposed on the outside wall surface of described insulation shell, be connected with a described resistance between adjacent two described conducting strips.
This angle measurement unit simple in structure, low cost of manufacture, when the angle inclination occurs when, resistance by measuring resistance, can learn the quantity of the conducting strip of submergence, thereby learn the variation of liquid level, just can learn the angle of inclination by calculating simply, be applicable to the not high occasion of accuracy requirement.
In technique scheme, preferably, a plurality of described conducting strips form first group of conducting strip, and a plurality of described resistance form first group of resistance, and a plurality of described conducting strips uniformly-spaced are arranged on the internal face of described insulation shell.
Conducting strip uniformly-spaced is arranged on the internal face of insulation shell, when angle occuring tilt, after the resistance by measuring resistance obtains the conducting strip quantity of submergence, makes and calculates liquid level and change simpler.
In technique scheme, preferably, a plurality of described conducting strips form first group of conducting strip and second group of conducting strip, a plurality of described resistance form first group of resistance and second group of resistance, described second group of conducting strip and described first group of conducting strip are symmetrical about described electrode, described conducting strip uniformly-spaced is arranged on the internal face of described insulation shell, and each conducting strip of described first group of conducting strip is corresponding one by one with each conducting strip of described second group of conducting strip.
Design is with respect to the symmetrically arranged first group of conducting strip of electrode and second group of conducting strip, and first group of resistance and second group of resistance, makes the device that takes measurement of an angle more simple and convenient when measuring level change, also is more prone to for the calculating of angle.
in technique scheme, preferably, a plurality of described conducting strips form first group of conducting strip, second group of conducting strip and the 3rd group of conducting strip, a plurality of described resistance form first group of resistance, second group of resistance and the 3rd group of resistance, described second group of conducting strip and described first group of conducting strip are symmetrical about described electrode, the straight line at each place, described conducting strip center in described the 3rd group of conducting strip, being arranged in each described conducting strip center place straight line of described first group of conducting strip and each place, described conducting strip center straight line of described second group of conducting strip consists of on the middle vertical plane on plane, described conducting strip uniformly-spaced is arranged on the internal face of described insulation shell, each conducting strip of described first group of conducting strip is corresponding one by one with each conducting strip of described second group of conducting strip.
A plurality of conducting strips are divided into three groups, be arranged on the diverse location of insulation shell, a plurality of resistance also are divided into three groups, coordinate respectively three groups of conducting strips to use, by calculating simply, make angle measurement unit can measure particularly vergence direction and angle of inclination, improved the accuracy of angle measurement unit.
in technique scheme, preferably, a plurality of described conducting strips form first group of conducting strip, second group of conducting strip, the 3rd group of conducting strip and the 4th group of conducting strip, a plurality of described resistance form first group of resistance, second group of resistance, the 3rd group of resistance and the 4th group of resistance, described second group of conducting strip and described first group of conducting strip are symmetrical about described electrode, described the 4th group of conducting strip and described the 3rd group of conducting strip are symmetrical about described electrode, the straight line at each place, described conducting strip center in described the 3rd group of conducting strip, being arranged in each described conducting strip center place straight line of described first group of conducting strip and each place, described conducting strip center straight line of described second group of conducting strip consists of on the middle vertical plane on plane, described conducting strip uniformly-spaced is arranged on the internal face of described insulation shell, each conducting strip of described first group of conducting strip is corresponding one by one with each conducting strip of described second group of conducting strip, each conducting strip of described the 3rd group of conducting strip is corresponding one by one with each conducting strip of described the 4th group of conducting strip.
A plurality of conducting strips are divided into four groups, be symmetricly set in twos on the diverse location of insulation shell, a plurality of resistance also are divided into four groups, coordinate respectively four groups of conducting strips to use, make the device that takes measurement of an angle more simple and convenient when measuring level change, calculating for angle also is more prone to, and can measure more accurately the concrete angle and direction of inclination.
In above-mentioned any one technical scheme, preferably, described electrode is positioned on the center line of described insulation shell.
Electrode is arranged on the center line of insulation shell, when the angle inclination occurs, makes device can measure exactly concrete vergence direction.
Further, preferably, described electrode is cylindrical.
Be cylindrical with electrode design, the conducting strip of being convenient on itself and insulation shell internal face consists of the loop, has guaranteed the practicality of angle measurement unit, and cylindrical easy processing.
In above-mentioned any one technical scheme, preferably, described insulation shell be airtight rectangular parallelepiped, every group of conducting strip lays respectively on four internal faces of described rectangular parallelepiped.
Insulation shell is designed to airtight, guaranteed that conducting solution can not spill in insulation shell, thereby guaranteed the accuracy of angle measurement unit, insulation shell is designed to rectangular parallelepiped is convenient to processing and manufacturing, when the angle inclination occurs, can determine better to make measurement of angle more accurate by vergence direction.
In technique scheme, preferably, the volume of described conducting solution be described insulation shell volume 1/2nd to 2/3rds between.
With the Volume design of conducting solution be the insulation shell volume 1/2nd to 2/3rds between, guaranteed angle measurement unit when angle tilts, liquid level can change, and then has guaranteed can calculate by angle measurement unit the angle of inclination.
In above-mentioned any one technical scheme, preferably, the shape of each conducting strip and material are all identical, and the resistance of each resistance is all identical.
Be identical with shape and the design of material of each conducting strip, be convenient to processing and manufacturing and installation, the resistance of each resistance is designed to identical, be convenient to measurements and calculations, be convenient to simultaneously install, dismounting and changing.
In sum, technical scheme provided by the invention, simple in structure, low cost of manufacture, when the angle inclination occurs when, by the resistance of measuring resistance, can learn the quantity of the conducting strip of submergence, thereby learn the variation of liquid level, just can learn the angle of inclination by calculating simply, the setting of the conducting strip of different directions makes this device can measure angle and the vergence direction of concrete inclination, and this apparatus structure is simple, is applicable to the not high occasion of accuracy requirement.
Description of drawings
Fig. 1 is that the master according to angle measurement unit the first embodiment of the present invention looks cut-open view;
Fig. 2 is that the master that angle measurement unit shown in Figure 1 is in heeling condition looks cut-open view;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is that the master according to angle measurement unit the second embodiment of the present invention looks cut-open view;
Fig. 5 is that the master that angle measurement unit shown in Figure 4 is in heeling condition looks cut-open view;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is the vertical view cutaway drawing according to the third embodiment of angle measurement unit of the present invention;
Fig. 8 is the vertical view cutaway drawing according to the 4th kind of embodiment of angle measurement unit of the present invention.
Wherein, in Fig. 1 to Fig. 8, the corresponding relation between Reference numeral and component names is:
1 insulation shell, 2 electrodes, 3 first groups of conducting strips, 4 first groups of resistance, 5 conducting solutions, 6 second groups of conducting strips, 7 second groups of resistance, 8 the 3rd groups of conducting strips, 9 the 3rd groups of resistance, 10 the 4th groups of conducting strips, 11 the 4th groups of resistance.
Embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.Need to prove, in the situation that do not conflict, the application's embodiment and the feature in embodiment can make up mutually.
A lot of details have been set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from mode described here and implement, and therefore, protection scope of the present invention is not subjected to the restriction of following public specific embodiment.
Fig. 1 is that the master according to angle measurement unit the first embodiment of the present invention looks cut-open view, as Fig. 1, Fig. 2 and shown in Figure 3, angle measurement unit comprises insulation shell 1, electrode 2, a plurality of conducting strips, a plurality of resistance and conducting solution 5, electrode 2 is arranged in insulation shell 1, two ends are separately positioned on insulation shell 1, conducting solution 5 is contained in insulation shell 1, a plurality of conducting strips are disposed on the internal face of insulation shell 1, a plurality of conducting strips can divide in groups, being centered close on same straight line of conducting strip in each group, straight line is parallel with electrode 2, a plurality of resistance can divide in groups, resistance series connection in each group, be disposed on the outside wall surface of insulation shell 1, be connected with a resistance between adjacent two conducting strips.
This angle measurement unit simple in structure, low cost of manufacture, when the angle inclination occurs when, resistance by measuring resistance, can learn the quantity of the conducting strip of submergence, thereby learn the variation of liquid level, just can learn the angle of inclination by calculating simply, be applicable to the not high occasion of accuracy requirement.
Further, preferably, a plurality of described conducting strips form first group of conducting strip 3, and a plurality of described resistance form first group of resistance 4, and a plurality of described conducting strips uniformly-spaced are arranged on the internal face of described insulation shell 1.
Conducting strip uniformly-spaced is arranged on the internal face of insulation shell, when angle occuring tilt, after the resistance by measuring resistance obtains the conducting strip quantity of submergence, makes and calculates liquid level and change simpler.
As depicted in figs. 1 and 2, when installing, can accurately measure angle measurement unit the distance L 1 between conducting strip and electrode 2, when angle measurement unit is positioned on surface level, conducting solution 5 is positioned at position shown in Figure 1, and when the angle inclination occured, the pitch angle was α, conducting solution 5 is positioned at position shown in Figure 2, the resistance value that change in location by conducting solution 5 can obtain changing, thus the variable quantity L2 of liquid level position learnt, inclined angle alpha=arctanL2/L1; Vergence direction is obviously the direction that increases to resistance.
Fig. 4 is that the master according to angle measurement unit the second embodiment of the present invention looks cut-open view, as Fig. 4, Fig. 5 and shown in Figure 6, on the basis of above-described embodiment, a plurality of described conducting strips form first group of conducting strip 3 and second group of conducting strip 6, a plurality of described resistance form first group of resistance 4 and second group of resistance 7, described second group of conducting strip 6 and described first group of conducting strip 3 are about described electrode 2 symmetries, described conducting strip uniformly-spaced is arranged on the internal face of described insulation shell 1, each conducting strip of described first group of conducting strip 3 is corresponding one by one with each conducting strip of described second group of conducting strip 6.
Design is with respect to the symmetrically arranged first group of conducting strip of electrode and second group of conducting strip, and first group of resistance and second group of resistance, makes the device that takes measurement of an angle more simple and convenient when measuring level change, also is more prone to for the calculating of angle.
When angle tilts, inclination angle beta as shown in Figure 5, distance L between conducting strip in conducting strip in first group of conducting strip 3 and second group of conducting strip 6 is known one to one, can learn the resistance R1 of first group of resistance 4 and the resistance R2 of second group of resistance 7 by detecting, thereby can calculate respectively the liquid level of electrode 2 both sides, the height corresponding with first group of resistance 4 is L1 ', the height corresponding with second group of resistance 7 is L2 ', angle of inclination beta=arctan (L1 '-L2 ')/L; Vergence direction is the direction that increases to resistance equally.
Fig. 7 is the vertical view cutaway drawing according to the third embodiment of angle measurement unit of the present invention, as shown in Figure 7, on the basis of above-described embodiment, a plurality of described conducting strips form first group of conducting strip 3, second group of conducting strip 6 and the 3rd group of conducting strip 8, a plurality of described resistance form first group of resistance 4, second group of resistance 7 and the 3rd group of resistance 9, described second group of conducting strip 6 and described first group of conducting strip 3 are about described electrode 2 symmetries, the straight line at each place, described conducting strip center in described the 3rd group of conducting strip 8, being arranged in each described conducting strip center place straight line of described first group of conducting strip 3 and each place, described conducting strip center straight line of described second group of conducting strip 6 consists of on the middle vertical plane on plane, described conducting strip uniformly-spaced is arranged on the internal face of described insulation shell 1, each conducting strip of described first group of conducting strip 3 is corresponding one by one with each conducting strip of described second group of conducting strip 6.
A plurality of conducting strips are divided into three groups, are arranged on the diverse location of insulation shell, a plurality of resistance also are divided into three groups, coordinate respectively three groups of conducting strips to use, by calculating simply, make angle measurement unit can measure particularly vergence direction and angle, improved the accuracy of angle measurement unit.
The computing method of the present embodiment are identical with the computing method of the first embodiment or the second embodiment, do not repeat them here.
Fig. 8 is the vertical view cutaway drawing according to the 4th kind of embodiment of angle measurement unit of the present invention, as shown in Figure 8, on the basis of above-described embodiment, a plurality of described conducting strips form first group of conducting strip 3, second group of conducting strip 6, the 3rd group of conducting strip 8 and the 4th group of conducting strip 10, a plurality of described resistance form first group of resistance 4, second group of resistance 7, the 3rd group of resistance 9 and the 4th group of resistance 11, described second group of conducting strip 6 and described first group of conducting strip 3 are about described electrode 2 symmetries, described the 4th group of conducting strip 10 and described the 3rd group of conducting strip 8 are about described electrode 2 symmetries, the straight line at each place, described conducting strip center in described the 3rd group of conducting strip 8, being arranged in each described conducting strip center place straight line of described first group of conducting strip 3 and each place, described conducting strip center straight line of described second group of conducting strip 6 consists of on the middle vertical plane on plane, described conducting strip uniformly-spaced is arranged on the internal face of described insulation shell 1, each conducting strip of described first group of conducting strip 3 is corresponding one by one with each conducting strip of described second group of conducting strip 6, each conducting strip of described the 3rd group of conducting strip 8 is corresponding one by one with each conducting strip of described the 4th group of conducting strip 10.
A plurality of conducting strips are divided into four groups, be symmetricly set in twos on the diverse location of insulation shell, a plurality of resistance also are divided into four groups, coordinate respectively four groups of conducting strips to use, make the device that takes measurement of an angle more simple and convenient when measuring level change, calculating for angle also is more prone to, and can measure more accurately the concrete angle and direction of inclination.
The computing method of the present embodiment are same identical with the computing method of the first embodiment or the second embodiment, do not repeat them here.
In above-mentioned arbitrary embodiment, preferably, electrode 2 is positioned on the center line of insulation shell 1.
Electrode is arranged on the center line of insulation shell, when the angle inclination occurs, makes device can measure exactly concrete vergence direction.
Further, preferably, electrode 2 is cylindrical.
Be cylindrical with electrode design, the conducting strip of being convenient on itself and insulation shell internal face consists of the loop, has guaranteed the practicality of angle measurement unit, and cylindrical easy processing.
Certainly, electrode can also be other shapes, such as rectangular parallelepiped etc.
In above-mentioned arbitrary embodiment, preferably, insulation shell 1 is airtight rectangular parallelepiped, and every group of conducting strip lays respectively on four internal faces of rectangular parallelepiped.
Certainly, insulation shell can also be other shapes, such as cylindrical etc.
Insulation shell is designed to airtight, guaranteed that conducting solution can not spill in insulation shell, thereby guaranteed the accuracy of angle measurement unit, insulation shell is designed to rectangular parallelepiped is convenient to processing and manufacturing, when the angle inclination occurs, can determine better to make measurement of angle more accurate by vergence direction.
In above-mentioned arbitrary embodiment, preferably, conducting strip is sheet metal.
Conducting electricity very well of sheet metal, easily processing, and easy to process, installation, convenient disassembly.
In above-mentioned arbitrary embodiment, preferably, the volume of conducting solution 5 be insulation shell 1 volume 1/2nd to 2/3rds between.
With the Volume design of conducting solution be the insulation shell volume 1/2nd to 2/3rds between, guaranteed angle measurement unit when angle tilts, liquid level can change, and then has guaranteed can calculate by angle measurement unit the angle of inclination.
In above-mentioned arbitrary embodiment, preferably, the shape of each conducting strip and material are all identical, and the resistance of each resistance is all identical.
Be identical with shape and the design of material of each conducting strip, be convenient to processing and manufacturing and installation, the resistance of each resistance is designed to identical, be convenient to measurements and calculations, install simultaneously, dismantle and change.
In sum, technical scheme provided by the invention, simple in structure, low cost of manufacture, when the angle inclination occurs when, by the resistance of measuring resistance, can learn the quantity of the conducting strip of submergence, thereby learn the variation of liquid level, just can learn the angle of inclination by calculating simply, the setting of the conducting strip of different directions makes this device can measure angle and the vergence direction of concrete inclination, and this apparatus structure is simple, is applicable to the not high occasion of accuracy requirement.
In the present invention, term " first ", " second ", " the 3rd ", " the 4th " only are used for the purpose of description, and can not be interpreted as indication or hint relative importance; Unless clear and definite regulation and restriction are separately arranged, term " a plurality of " refers to more than two; Broad understanding all should be done in the terms such as term " installation ", " connection ", " fixing ", for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be directly to be connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
The above is only the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. angle measurement unit, it is characterized in that, comprise insulation shell (1), electrode (2), a plurality of conducting strips, a plurality of resistance and conducting solution (5), described electrode (2) is arranged in described insulation shell (1), two ends are separately positioned on described insulation shell (1), described conducting solution (5) is contained in described insulation shell (1), a plurality of described conducting strips are disposed on the internal face of described insulation shell (1), a plurality of described conducting strips can divide in groups, being centered close on same straight line of described conducting strip in each group, described straight line is parallel with described electrode (2), a plurality of described resistance can divide in groups, described resistance series connection in each group, be disposed on the outside wall surface of described insulation shell (1), be connected with a described resistance between adjacent two described conducting strips.
2. angle measurement unit according to claim 1, it is characterized in that, a plurality of described conducting strips form first group of conducting strip (3), and a plurality of described resistance form first group of resistance (4), and a plurality of described conducting strips uniformly-spaced are arranged on the internal face of described insulation shell (1).
3. angle measurement unit according to claim 1, it is characterized in that, a plurality of described conducting strips form first group of conducting strip (3) and second group of conducting strip (6), a plurality of described resistance form first group of resistance (4) and second group of resistance (7), described second group of conducting strip (6) and described first group of conducting strip (3) are about described electrode (2) symmetry, described conducting strip uniformly-spaced is arranged on the internal face of described insulation shell (1), and each conducting strip of described first group of conducting strip (3) is corresponding one by one with each conducting strip of described second group of conducting strip (6).
4. angle measurement unit according to claim 1, it is characterized in that, a plurality of described conducting strips form first group of conducting strip (3), second group of conducting strip (6) and the 3rd group of conducting strip (8), a plurality of described resistance form first group of resistance (4), second group of resistance (7) and the 3rd group of resistance (9), described second group of conducting strip (6) and described first group of conducting strip (3) are about described electrode (2) symmetry, the straight line at each place, described conducting strip center in described the 3rd group of conducting strip (8), being arranged in each described conducting strip center place straight line of described first group of conducting strip (3) and each place, described conducting strip center straight line of described second group of conducting strip (6) consists of on the middle vertical plane on plane, described conducting strip uniformly-spaced is arranged on the internal face of described insulation shell (1), each conducting strip of described first group of conducting strip (3) is corresponding one by one with each conducting strip of described second group of conducting strip (6).
5. angle measurement unit according to claim 1, it is characterized in that, a plurality of described conducting strips form first group of conducting strip (3), second group of conducting strip (6), the 3rd group of conducting strip (8) and the 4th group of conducting strip (10), a plurality of described resistance form first group of resistance (4), second group of resistance (7), the 3rd group of resistance (9) and the 4th group of resistance (11), described second group of conducting strip (6) and described first group of conducting strip (3) are about described electrode (2) symmetry, described the 4th group of conducting strip (10) and described the 3rd group of conducting strip (8) are about described electrode (2) symmetry, the straight line at each place, described conducting strip center in described the 3rd group of conducting strip (8), being arranged in each described conducting strip center place straight line of described first group of conducting strip (3) and each place, described conducting strip center straight line of described second group of conducting strip (6) consists of on the middle vertical plane on plane, described conducting strip uniformly-spaced is arranged on the internal face of described insulation shell (1), each conducting strip of described first group of conducting strip (3) is corresponding one by one with each conducting strip of described second group of conducting strip (6), each conducting strip of described the 3rd group of conducting strip (8) is corresponding one by one with each conducting strip of described the 4th group of conducting strip (10).
6. the described angle measurement unit of any one according to claim 1 to 5, is characterized in that, described electrode (2) is positioned on the center line of described insulation shell (1).
7. angle measurement unit according to claim 6, is characterized in that, described electrode (2) is cylindrical.
8. the described angle measurement unit of any one according to claim 1 to 5, is characterized in that, described insulation shell (1) is airtight rectangular parallelepiped, and every group of conducting strip lays respectively on four internal faces of described rectangular parallelepiped.
9. the described angle measurement unit of any one according to claim 1 to 5, is characterized in that, the volume of described conducting solution (5) be described insulation shell (1) volume 1/2nd to 2/3rds between.
10. the described angle measurement unit of any one according to claim 1 to 5, is characterized in that, the shape of each conducting strip and material are all identical, and the resistance of each resistance is all identical.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100207182A CN103115611A (en) | 2013-01-21 | 2013-01-21 | Angle measuring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100207182A CN103115611A (en) | 2013-01-21 | 2013-01-21 | Angle measuring device |
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| CN103115611A true CN103115611A (en) | 2013-05-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063184A (en) * | 2017-06-06 | 2017-08-18 | 中国地质大学（武汉） | A kind of conductance type obliquity sensor for landslide monitoring |
| CN111458380A (en) * | 2020-03-03 | 2020-07-28 | 陈金丽 | Rainfall infiltration groundwater supply measuring device and analysis algorithm for rapid field deployment |
| CN112179319A (en) * | 2020-08-27 | 2021-01-05 | 德邻联合工程有限公司 | Road slope measuring device for engineering supervision |
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|---|---|---|---|---|
| CN1900664A (en) * | 2005-07-19 | 2007-01-24 | 南京大学 | Resistance type water level sensor |
| CN102683087A (en) * | 2012-05-31 | 2012-09-19 | 张文知 | Three-way multi-point nano conducting liquid switch and equilibrium state and all-way dip-angle measurement and display instrument including same |
| CN102683086A (en) * | 2012-05-31 | 2012-09-19 | 张文知 | Nano conducting liquid bidirectional multipoint switch and pitching angle measurement and display instrument comprising same |
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2013
- 2013-01-21 CN CN2013100207182A patent/CN103115611A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1900664A (en) * | 2005-07-19 | 2007-01-24 | 南京大学 | Resistance type water level sensor |
| CN102683087A (en) * | 2012-05-31 | 2012-09-19 | 张文知 | Three-way multi-point nano conducting liquid switch and equilibrium state and all-way dip-angle measurement and display instrument including same |
| CN102683086A (en) * | 2012-05-31 | 2012-09-19 | 张文知 | Nano conducting liquid bidirectional multipoint switch and pitching angle measurement and display instrument comprising same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063184A (en) * | 2017-06-06 | 2017-08-18 | 中国地质大学（武汉） | A kind of conductance type obliquity sensor for landslide monitoring |
| CN111458380A (en) * | 2020-03-03 | 2020-07-28 | 陈金丽 | Rainfall infiltration groundwater supply measuring device and analysis algorithm for rapid field deployment |
| CN111458380B (en) * | 2020-03-03 | 2023-06-27 | 陈金丽 | Rainfall infiltration replenishment groundwater measurement device and analysis algorithm capable of being rapidly deployed in field |
| CN112179319A (en) * | 2020-08-27 | 2021-01-05 | 德邻联合工程有限公司 | Road slope measuring device for engineering supervision |
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Application publication date: 20130522 |