CN1560560A - Ice layer thickness sensor and its detecting method - Google Patents
Ice layer thickness sensor and its detecting method Download PDFInfo
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- CN1560560A CN1560560A CNA2004100121642A CN200410012164A CN1560560A CN 1560560 A CN1560560 A CN 1560560A CN A2004100121642 A CNA2004100121642 A CN A2004100121642A CN 200410012164 A CN200410012164 A CN 200410012164A CN 1560560 A CN1560560 A CN 1560560A
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Abstract
The invention is a ice thickness sensor and the measuring method belonging to automatic detecting technology field, the positive electrode of the detecting power in the sensor forms a detecting loop together with the each metal detecting contactor arranged according to the scale, inner scale decoding switch circuit, conduction identification circuit and the negative electrode of the power through the measured media including water, ice, air between the inner and outer walls of the sensor, the inner microchip control circuit in the sensor generates decoding switch control signal according to a fixed coding order, the sensor is connected whose detection circuit correspondent to the metal measuring contactor to carry on the ice thickness measurement, the sensor can carry on fixed point continuous automatic detection to the ice thickness in river, reservoir, long distance transmission project, environment detection and so on.
Description
Technical field
Ice layer thickness sensor and detection method thereof belong to an invention in test technique automatic field.It is a kind ofly can be under freezing condition river channel, lake, reservoir, long distance water transfer project, polar expedition, geology and environmental monitoring and various hydroelectric project ice sheet generating and vanishing process to be carried out the fix a point sensor device of automatic continuous detecting of ice layer thickness.
Technical background
At present both at home and abroad under the freezing in the winter time condition to ice layer thickness in the ice sheet generating and vanishing process fix a point automatic continuous detecting sensor device seldom.Ice is given birth to the detection technique that disappears and is mainly contained two classes both at home and abroad, and a class is the direct method of measurement, and it relies on the back of manually making a hole in the ice or drill by artificial ice thickness and the water level directly measured of rule, and this method is mainly adopted at the northern China hydrometric station.Its advantage is that data are reliable, but shortcoming is a labour intensity height, dangerous big, can not guarantee to carry out the timing automatic detection in same place.Another kind of method is a physical method, as electromagnetics, acoustics, optics etc.Their advantage is simple to operate, rapid, but that shortcoming is an error is big.The error of ice thickness degree physical detecting method mainly is from the influence of ice character to electromagnetic wave or sound wave, we are showing that to Bohai Sea sea ice physics and mechanical property result of study the temperature of ice is constantly changing with the space in time, this temperature variation is being controlled the variation of icing acoustic properties, electrical properties and optical property, but its conductivity has bigger difference with liquid and air under the state of freezing, utilize this character accurately to detect ice layer thickness.Our the freezing sensor of discovery has by retrieval: Jap.P. " a kind of level measurement device " G 01 F 23/30 Z 7143-2F, it proposes a kind of profile is cylindrical tube, seal positioned vertical above in water, the ice sheet that the interior jar of tube is gone into its thickness ratio expectation of noncongeable oil is thicker, water can enter from the bottom of tube the tube, the face on the water because the different noncongeable oils of proportion float, can stop cold air contact water, water in the tube is not frozen, can under freezing situation, detect no setting-out position like this, and can not measure ice layer thickness.The present invention has succeeded in developing a kind of different conductance properties that utilize air, ice and water to present can carry out automatic measured sensor and detection method thereof to ice layer thickness.
Summary of the invention
Ice layer thickness sensor and detection method thereof are the different conductance properties that present according to air, ice and water, a kind of ice layer thickness detecting sensor device and a kind of new ice layer thickness detection method developed in conjunction with the electronic information treatment technology.Utilize this sensor and detection method to cause the fixed point continuous automatic inspection that realizes under the situation of icing acoustic properties, electrical properties and optical property variation ice layer thickness with spatial variations in time, reach the purpose of grasping the ice generating and vanishing process in temperature because of ice.The variation of measuring ice layer thickness exactly when it can environment temperature be not less than-35 ℃ in the winter time effectively.
Ice layer thickness sensor and detection method feature thereof are: sensor is by rectangle plastic-steel material cylinder (1), detect power supply (2), be installed in the detection positive source electrode (4) of rectangle plastic-steel material cylinder lateral wall (3), press the metal detection contact (6) of the equidistant installation of scale label positional alignment at rectangle plastic-steel material cylinder madial wall (5), be fixed on the inner single chip machine controlling circuit (7) of rectangle plastic-steel material cylinder (1), be fixed on the scale decoding switch circuit (8) that rectangle plastic-steel material cylinder (1) is inner and be connected with each hard contact and single chip machine controlling circuit (7), be fixed on rectangle plastic-steel material column body and with single chip machine controlling circuit (7), the electricity that scale decoding switch circuit (8) and detection power-electrode (12) are connected is led identification circuit (9), thermal insulating seals to add and fills material (10) and sensor conductor gang socket (10) composition, it detects power supply (2) by being fixed in the inner valve controlled sealed lead-acid accumulator direct supply formation of rectangle plastic-steel cylinder (1), and electricity is led identification circuit and is made of the voltage comparator circuit that integrated circuit LM334 constitutes.
During use, positioned vertical is in frozen water down with sensor one end, and sensor scale label total length should should have part metals to detect the contact greater than ice layer thickness and sensor to be exposed on the ice face and to be submerged in the ice sheet bottom.Its testing process is: external power inserts sensor by sensor conductor gang socket (11), make the detection power supply (2) of sensor internal, single chip machine controlling circuit (7), scale decoding switch circuit (8), electricity is led identification circuit (9) and all is in the state of working on power, sensor internal single chip machine controlling circuit (7) produces scale decoding switch control signal by certain coded sequence makes each scale decoding switch circuit (8) according to coded sequence conducting separately successively, will be when a certain scale decoding switch circuit (8) conducting detecting power supply (2), the metal detection contact of this scale position and coupled detected medium, electricity are led identification circuit (9) and are connected and form the loop.Electricity lead identification circuit (9) will to this metal detection contact and the electric conductivity value scope that detects measured medium between the power supply positive electrode (4) is discerned and according to recognition result by the marker level of a certain output terminal output expression measured medium character to single chip machine controlling circuit (7), single chip machine controlling circuit (7) will be determined residing scale label position, tested metal detection contact according to this corresponding constantly scale decoding switch control signal, after the loop that all metal detection contacts (6) are corresponding is all detected and is finished under single chip machine controlling circuit (7) is controlled, single-chip microcomputer can be determined bottom interface that last interface that ice sheet and air join and ice sheet and subglacial water join trimscript chi scale position really, can draw ice layer thickness by the two difference.
Main application of the present invention and advantage:
Ice layer thickness sensor and detection method thereof can be carried out high-precision ice layer thickness continuous automatic inspection to river channel, lake, reservoir, long distance water transfer project, polar expedition, geology and environmental monitoring and various hydroelectric project ice sheet generating and vanishing process under freezing condition.
The present invention is on the basis that the conductance property of air, ice and water is furtherd investigate, control scale decoding switch is connected the detection power supply successively, different scales position measured medium is led the special sensor project organization and the detection method in the detection loop of identification circuit formation with electricity to adopt single-chip microcomputer to encode, can judge the scale position of air, ice sheet interface and subglacial water level quickly and accurately, thereby obtain the accurate numerical value of ice layer thickness; In whole testing process, adopt all that digital pulse signal behind the specific coding detects, identification and transmission, have very strong antijamming capability, and be easy to directly link to each other with computing machine, can under rugged surroundings, realize continuous automatic inspection to ice layer thickness.Its advantage may be summarized to be:
A, adopt the detection mode that measured medium electricity derivative value scope is judged, can not iced the variable effect of acoustic properties, electrical properties and optical property etc. and can ice layer thickness be detected automatically;
B, employing single-chip microcomputer Digital Signals detect and transmission, strong anti-interference performance;
C, simple in structure, cost is low, and error is little, and is reliable and stable.
Description of drawings
Fig. 1 is " ice layer thickness sensor " plan structure figure, and Fig. 2 is its sectional structure, among the figure:
1, rectangle plastic-steel material cylinder
2, detect power supply
3, plastic-steel material cylinder lateral wall
4, detect the power supply positive electrode
5, plastic-steel material cylinder madial wall
6, metal detection contact
7, single chip machine controlling circuit
8, scale decoding switch circuit
9, electricity is led identification circuit
10, thermal insulating seals to add and fills material
11, lead gang socket
12, detect the power-electrode
Embodiment:
The detection of embodiment 1. ice thickness and subglacial water level:
At first, sensor shown in the accompanying drawing is placed in when freezing chisel in the tested water or under the state of freezing ice sheet with the one end down positioned vertical in frozen water and sensor should have part metals to detect the contact to be exposed on the ice face and to be submerged in the ice sheet bottom.Power supply is made in outer construction and the data processing instrument links to each other with sensor conductor gang socket (11) by a multicore water-proof cable.Elder generation sends the conducting control signal according to order from top to bottom to scale decoding switch circuit (8) by the single chip machine controlling circuit (7) of sensor internal during detection under embedded special software effect, make each scale decoding switch circuit (8) according to the independent successively conducting of order from top to bottom, will be when a certain scale decoding switch circuit turn-on detecting power supply (2), the metal detection contact of this scale position and coupled detected medium, electricity are led identification circuit (9) and are connected and form the loop.Electricity lead identification circuit (9) will to this metal detection contact and the electric conductivity value scope that detects measured medium between the power supply positive electrode (4) is discerned and according to recognition result by the marker level of a certain output terminal output expression measured medium character to single chip machine controlling circuit (7), single chip machine controlling circuit (7) will according to this constantly the scale decoding switch control signal of correspondence determine residing scale label position, tested metal detection contact.Under single chip machine controlling circuit (7) control, the loop of all metal detection contact correspondences all detected finish after, after comprehensively judging, single-chip microcomputer determines trimscript chi scale position really, the last interface of ice sheet and ice sheet bottom, difference by the two can draw ice layer thickness, executes the data processing instrument outside this result also can be under software control be sent to by sensor conductor gang socket (11) and multicore water-proof cable and further handles.
The detection of embodiment 2. subglacial water levels:
At first, positioned vertical is in frozen water down with one end of sensor shown in the accompanying drawing, and sensor should have part metals detection contact to be submerged in the ice sheet bottom water, and the residing height of sensor bottommost is demarcated its initial value of acquisition.Power supply is made in outer construction and the data processing instrument links to each other with sensor conductor gang socket (11) by a multicore water-proof cable.Elder generation sends the conducting control signal according to order from down to up to scale decoding switch circuit (8) by the single chip machine controlling circuit (7) of sensor internal during detection under embedded special software effect, make each scale decoding switch circuit (8) according to the independent successively conducting of order from down to up, will be when a certain scale decoding switch circuit (8) conducting detecting power supply (2), the metal detection contact of this scale position and coupled detected medium, electricity are led identification circuit (9) and are connected and form the loop.Electricity lead identification circuit (9) will to this metal detection contact and the electric conductivity value scope that detects measured medium between the power supply positive electrode (4) is discerned and according to recognition result by the marker level of a certain output terminal output expression measured medium character to single chip machine controlling circuit (7), single chip machine controlling circuit (7) will according to this constantly the scale decoding switch control signal of correspondence determine residing scale label position, tested metal detection contact.After the loop that all metal detection contacts (6) are corresponding is all detected and is finished under single chip machine controlling circuit (7) is controlled, after comprehensively judging, single-chip microcomputer determines ice sheet bottom and subglacial water interface trimscript chi scale position really, the liquid level initial value of being demarcated when mounted by the sensor bottommost is added ice sheet bottom and subglacial water interface can draw the height of subglacial water level apart from the height of sensor base, executes the data processing instrument outside this result also can be under software control be sent to by sensor conductor gang socket (11) and multicore water-proof cable and further handles.
Claims (2)
1. ice layer thickness sensor is characterized in that it being a kind of sensor of conductance type continuous automatic inspection ice layer thickness, mainly by rectangle plastic-steel material cylinder (1), detect power supply (2), be installed in the detection power supply positive electrode (4) of rectangle plastic-steel cylinder lateral wall (3), press the metal detection contact (6) of the equidistant installation of scale label positional alignment at rectangle plastic-steel material cylinder madial wall (5), be fixed on the inner single chip machine controlling circuit (7) of rectangle plastic-steel material cylinder (1), be fixed on the scale decoding switch circuit (8) that rectangle plastic-steel material cylinder (1) is inner and be connected with each hard contact and single chip machine controlling circuit, be fixed on the also inner and single chip machine controlling circuit of rectangle plastic-steel material cylinder (1), the electricity that scale decoding switch circuit and detection power-electrode (12) are connected is led identification circuit (9), thermal insulating seals to add and fills material (10) and sensor conductor gang socket (11) composition, it detects power supply (2) by being fixed in the inner valve controlled sealed lead-acid accumulator direct supply formation of rectangle plastic-steel cylinder (1), and electricity is led identification circuit and is made of the voltage comparator circuit that integrated circuit LM334 constitutes.
2. the detection method of the described ice layer thickness sensor of claim 1 is characterized in that, at first vertically be placed on sensor in the ice sheet, the scale label total length should should have part metals to detect contact (6) greater than ice layer thickness and sensor to be exposed on the ice face and to be submerged in the ice sheet bottom, producing scale decoding switch control signal by sensor internal single chip machine controlling circuit (7) by certain coded sequence makes each scale decoding switch (8) according to coded sequence conducting separately successively, will be when a certain scale decoding switch conducting detecting power supply (2), the metal detection contact (6) of this scale position and coupled detected medium, electricity is led identification circuit (9) and is connected and form the loop, electricity lead identification circuit (9) will to this metal detection contact (6) and the electric conductivity value scope that detects measured medium between the power supply positive electrode (4) is discerned and according to recognition result by the marker level of a certain output terminal output expression measured medium character to single chip machine controlling circuit (7), single chip machine controlling circuit (7) will be determined residing scale label position, tested metal detection contact (6) according to this corresponding constantly scale decoding switch control signal, under single chip machine controlling circuit (7) control, the loop of all metal detection contact correspondences all detected finish after, single-chip microcomputer can be determined bottom interface that last interface that ice sheet and air join and ice sheet and subglacial water join trimscript chi scale position really, can draw ice layer thickness by the two difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410012164 CN1221778C (en) | 2004-02-26 | 2004-02-26 | Ice layer thickness sensor and its detecting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410012164 CN1221778C (en) | 2004-02-26 | 2004-02-26 | Ice layer thickness sensor and its detecting method |
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| CN1560560A true CN1560560A (en) | 2005-01-05 |
| CN1221778C CN1221778C (en) | 2005-10-05 |
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| CN 200410012164 Expired - Fee Related CN1221778C (en) | 2004-02-26 | 2004-02-26 | Ice layer thickness sensor and its detecting method |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607390A (en) * | 2012-02-28 | 2012-07-25 | 太原理工大学 | Device and method for automatically measuring crevasse width of polar sea ice |
| CN102902843A (en) * | 2012-08-31 | 2013-01-30 | 江苏科技大学 | Method for simulating generating and thawing process of sea ice covered by thin snow |
| CN103630079A (en) * | 2013-03-14 | 2014-03-12 | 运城学院 | Saline solution crystallization thickness sensor and detection method |
| CN103983376A (en) * | 2014-05-14 | 2014-08-13 | 太原理工大学 | Automatic online monitoring device for temperature gradient and thickness of ice layer |
| CN104930810A (en) * | 2014-08-11 | 2015-09-23 | 王爱玲 | Detecting and alarming system for accumulated ice on inner side of rear portion of cabinet of refrigerator |
| CN105737729A (en) * | 2016-03-02 | 2016-07-06 | 杭州源牌环境设备有限公司 | Ice thickness measurement device used for ice storage coil pipe |
| CN106289038A (en) * | 2016-09-19 | 2017-01-04 | 柳玉翠 | Ice maker ice thickness testing circuit and detection method |
| CN106918283A (en) * | 2017-04-10 | 2017-07-04 | 杭州源牌科技股份有限公司 | A kind of measurement apparatus of ice storage unit ice thickness, measuring system and measuring method |
| CN107607439A (en) * | 2017-08-22 | 2018-01-19 | 西安工程大学 | A kind of transmission pressure icing type automatic identification equipment and recognition methods |
| CN108180819A (en) * | 2017-12-22 | 2018-06-19 | 太原理工大学 | A kind of ice layer thickness measuring device based on magnetoelastic material |
| CN108195282A (en) * | 2017-12-22 | 2018-06-22 | 太原理工大学 | A kind of ice layer thickness measuring device based on piezoresistance sensor |
| CN108562222A (en) * | 2018-01-18 | 2018-09-21 | 华侨大学 | A kind of seabed pit depth development measuring device and application method |
| CN109470217A (en) * | 2018-11-15 | 2019-03-15 | 河南黄河水文勘测设计院 | A kind of waters ice condition supervising system |
| WO2020182683A1 (en) | 2019-03-08 | 2020-09-17 | Stazione Zoologica Anton Dohrn | Device for detecting temperature profiles, and relative monitoring system |
| CN114623052A (en) * | 2022-04-29 | 2022-06-14 | 中国华能集团清洁能源技术研究院有限公司 | Capacitive icing sensor applied to fan blade and working method |
-
2004
- 2004-02-26 CN CN 200410012164 patent/CN1221778C/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607390A (en) * | 2012-02-28 | 2012-07-25 | 太原理工大学 | Device and method for automatically measuring crevasse width of polar sea ice |
| CN102607390B (en) * | 2012-02-28 | 2014-09-17 | 太原理工大学 | Device and method for automatically measuring crevasse width of polar sea ice |
| CN102902843A (en) * | 2012-08-31 | 2013-01-30 | 江苏科技大学 | Method for simulating generating and thawing process of sea ice covered by thin snow |
| CN103630079A (en) * | 2013-03-14 | 2014-03-12 | 运城学院 | Saline solution crystallization thickness sensor and detection method |
| CN103983376A (en) * | 2014-05-14 | 2014-08-13 | 太原理工大学 | Automatic online monitoring device for temperature gradient and thickness of ice layer |
| CN104930810B (en) * | 2014-08-11 | 2017-05-24 | 国家电网公司 | Detecting and alarming system for accumulated ice on inner side of rear portion of cabinet of refrigerator |
| CN104930810A (en) * | 2014-08-11 | 2015-09-23 | 王爱玲 | Detecting and alarming system for accumulated ice on inner side of rear portion of cabinet of refrigerator |
| CN105737729A (en) * | 2016-03-02 | 2016-07-06 | 杭州源牌环境设备有限公司 | Ice thickness measurement device used for ice storage coil pipe |
| CN106289038A (en) * | 2016-09-19 | 2017-01-04 | 柳玉翠 | Ice maker ice thickness testing circuit and detection method |
| CN106289038B (en) * | 2016-09-19 | 2019-08-09 | 柳玉翠 | Ice maker ice thickness detection circuit and detection method |
| CN106918283A (en) * | 2017-04-10 | 2017-07-04 | 杭州源牌科技股份有限公司 | A kind of measurement apparatus of ice storage unit ice thickness, measuring system and measuring method |
| CN107607439A (en) * | 2017-08-22 | 2018-01-19 | 西安工程大学 | A kind of transmission pressure icing type automatic identification equipment and recognition methods |
| CN108180819A (en) * | 2017-12-22 | 2018-06-19 | 太原理工大学 | A kind of ice layer thickness measuring device based on magnetoelastic material |
| CN108195282A (en) * | 2017-12-22 | 2018-06-22 | 太原理工大学 | A kind of ice layer thickness measuring device based on piezoresistance sensor |
| CN108562222A (en) * | 2018-01-18 | 2018-09-21 | 华侨大学 | A kind of seabed pit depth development measuring device and application method |
| CN109470217A (en) * | 2018-11-15 | 2019-03-15 | 河南黄河水文勘测设计院 | A kind of waters ice condition supervising system |
| WO2020182683A1 (en) | 2019-03-08 | 2020-09-17 | Stazione Zoologica Anton Dohrn | Device for detecting temperature profiles, and relative monitoring system |
| CN114623052A (en) * | 2022-04-29 | 2022-06-14 | 中国华能集团清洁能源技术研究院有限公司 | Capacitive icing sensor applied to fan blade and working method |
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| CN1221778C (en) | 2005-10-05 |
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Granted publication date: 20051005 Termination date: 20120226 |