CN1737490A - Condenser type ice layer thickness sensor and detecting method thereof - Google Patents
Condenser type ice layer thickness sensor and detecting method thereof Download PDFInfo
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- CN1737490A CN1737490A CN 200510012794 CN200510012794A CN1737490A CN 1737490 A CN1737490 A CN 1737490A CN 200510012794 CN200510012794 CN 200510012794 CN 200510012794 A CN200510012794 A CN 200510012794A CN 1737490 A CN1737490 A CN 1737490A
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Abstract
This invention relates to capacitor thickness sensor and its test method in the field of automatic testing technique, which is characterized by the following: forming testing circuit by the capacitor measurement circuit and single machine control circuit and the sensor inside scale code switch circuit through one set of metal capacitor test pole slice and metal capacitor testing pole slice space; generating scale code switch control signals along certain order by the senor inside single machine control to connect metal capacitor test pole slices adjacent two metal capacitor test pole slices to test the capacitor value and to determine the ice layer thickness sensor.
Description
Technical field
Condenser type 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
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.The detection technique that disappears of the ice life of domestic and international application at present can reduce three types, and a class is the direct method of measurement, and its relies on manually to make a hole in the ice or drill directly measures ice thickness and water level, and this method is mainly adopted at the northern China hydrometric station.Its advantage is that data are reliable, but that shortcoming is an automaticity is low, labour intensity is high, danger is big, can not guarantee to detect or carry out the robotization continuous detecting in many places synchronously at same place self-timing.So there is not the automatically continuously acquisition methods of complete ice generating and vanishing process delta data so far, the correction of the refined model that ice is formed does not have effect, the life that the has influence on ice prediction that disappears; Second class be via satellite or radar take remote measurement, its advantage is to be suitable for large tracts of land sea ice monitoring, shortcoming is to grasp the local life of the ice sheet inside configuration among a small circle change procedure that disappears, and is difficult to be applied to the ice detection range of many rivers channel and water conservancy projects; The 3rd class methods are physical detecting methods such as classic electromagnetics, acoustics, as supersonic sounding.Their advantage is simple to operate, rapid, but that shortcoming is an error is big.Its error is mainly from the influence of ice character to electromagnetic wave or sound wave.Our the freezing sensor of discovery has by retrieval: 1) Jap.P. " a kind of level measurement device " G01F 23/30Z 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.2) ice layer thickness sensor and detection method thereof [application (patent) number 200410012164.2] are to utilize water, ice, air resistance value difference is carried out a kind of sensor that ice layer thickness detects, it is characterized in that detecting positive source in sensor by sensor internal, the detected medium that is full of in the lateral wall intermediate space, comprise water, ice, air, with each metal detection contact of the sensor of pressing the scale label positional alignment, internal calibration decoding switch circuit, electricity is led identification circuit and is detected power-electrode composition detection loop, the testing circuit of connecting each metal detection contact correspondence successively by certain coded sequence generation scale decoding switch control signal by the sensor internal single chip machine controlling circuit carries out the ice layer thickness measured sensor
The present invention has succeeded in developing a kind of different capacitance characteristics 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
Condenser type ice layer thickness sensor and detection method thereof are the different capacitance characteristics 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 can realize fixed point continuous automatic inspection, reach the purpose of grasping the ice generating and vanishing process ice layer thickness.The variation of measuring ice layer thickness exactly when it can environment temperature be not less than-40 ℃ in the winter time effectively.
Condenser type ice layer thickness sensor is the sensor that a kind of condenser type detects ice layer thickness automatically, it is characterized in that sensor is by rectangle plastic-steel material cylinder, the metal capacitance that is made of two-sided copper clad plate material by the equidistant installation of scale label positional alignment that is embedded between rectangle plastic-steel cylinder lateral wall and the madial wall detects the pole piece group, be fixed on the single chip machine controlling circuit of rectangle plastic-steel material column body, the scale decoding switch circuit that is fixed on rectangle plastic-steel material column body and is connected with each metal capacitance detection pole piece and single chip machine controlling circuit, the capacitance measurement circuit that is fixed on rectangle plastic-steel material column body and is connected with single chip machine controlling circuit and scale decoding switch circuit, thermal insulating seals to add and fills material and sensor conductor gang socket composition, wherein, capacitance measurement circuit adopts the operational amplifier formula capacitance measurement circuit formation of being convenient to be undertaken by single-chip microcomputer data processing.
During use, at first vertically be placed on sensor in the ice sheet, the scale label total length has part metals capacitance detecting pole piece to be exposed on the ice face greater than ice layer thickness and sensor and is submerged in the ice sheet bottom, producing scale decoding switch control signal by the sensor internal single chip machine controlling circuit by certain coded sequence makes each scale decoding switch connect two neighbouring in metal capacitance detection pole piece group metal capacitances detection pole pieces successively simultaneously according to coded sequence, will be when detected scale decoding switch conducting this scale position two neighbouring metal capacitances detect pole pieces and be embedded in two metal capacitances and detect detected media between the pole piece, capacitance measurement circuit connects and forms the capacitance detecting loop with the single chip machine controlling circuit that is fixed on rectangle plastic-steel material column body, single chip machine controlling circuit will detect pole pieces and be embedded in two metal capacitances by capacitance measurement circuit and detect the capacitance values that the detected media between the pole piece form and carry out detection computations these two metal capacitances, and identify according to gained capacitance numerical range and to be embedded in two metal capacitances and to detect detected medium characters between the pole piece, judge that it belongs to air, ice or water, simultaneously, single chip machine controlling circuit will be determined tested two metal capacitances according to this corresponding constantly scale decoding switch control signal and detect the residing scale label of pole piece position, after the capacitance detecting loop that two neighbouring metal capacitances detect the pole piece correspondences with all under single chip machine controlling circuit control is all detected and is finished, single-chip microcomputer can be determined different measured medium boundary position, and then can determine 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.
Condenser type 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 capacitance characteristic of air, ice and water is furtherd investigate, the metal capacitance that adopting single-chip microcomputer coding control scale decoding switch to connect two neighbouring embeddings of different scales position successively has detected medium detects the special sensor project organization and the detection method in pole piece and the capacitance detecting loop of capacitance measurement circuit, single chip machine controlling circuit formation, 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, control signal adopts the digital pulse signal behind the specific coding to detect, discern and transmission, has very strong antijamming capability, the special capacitive detection circuit that the measured medium capacitance constitutes by capacitance measurement circuit, single chip machine controlling circuit, calculate accurately, rapidly, and be easy to directly link to each other with computing machine, can under rugged surroundings, realize continuous automatic inspection to ice layer thickness.
Description of drawings
Fig. 1 is " condenser type ice layer thickness sensor " structural representation
Fig. 2 is the plan structure synoptic diagram of " condenser type ice layer thickness sensor "
Among the figure: 1, rectangle plastic-steel material cylinder
2, cylinder lateral wall
3, cylinder madial wall
4, metal capacitance detects pole piece
5, single chip machine controlling circuit
6, scale decoding switch circuit
7, capacitance measurement circuit
8, thermal insulating seals to add and fills material
9, lead gang socket
Embodiment
Embodiment is 1. condenser type ice layer thickness sensors for example:
Range is required according to measuring, king's font plastic-steel window material of intercepting certain-length is as the cylinder (1) of condenser type ice layer thickness sensor, pass through mechanical processing tools, mill as milling machine, the groups of slots that can embed two-sided copper clad plate material is processed in the scale label position by 1 centimetre of interval between rectangle plastic-steel cylinder (1) lateral wall (2) and madial wall (3), the two-sided deposited copper rectangular slab material that will process according to the slot size detects the groups of slots that the pole piece embedding processes as metal capacitance, simultaneously with selected single chip machine controlling circuit (5), scale decoding switch circuit (6), be fixed on the capacitance measurement circuit (7) that rectangle plastic-steel material cylinder (1) is inner and be connected with single chip machine controlling circuit and scale decoding switch circuit, thermal insulating seals to add and fills material (8) and sensor conductor gang socket (9) composition, wherein, capacitance measurement circuit (7) adopts the operational amplifier formula capacitance measurement circuit formation of being convenient to be undertaken by single-chip microcomputer data processing.
Embodiment 2. is used the method that condenser type ice layer thickness sensor detects ice thickness for example:
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 part metals capacitance detecting pole piece to be exposed on the ice face and 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 9 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 6 by the single chip machine controlling circuit 5 of sensor internal during detection under embedded special software effect, make each scale decoding switch circuit 6 produce scale decoding switch control signal and connect two neighbouring metal capacitances detection pole pieces successively by certain coded sequence, when detected scale decoding switch conducting, will detect pole pieces 4 to two neighbouring metal capacitances of this scale position and be embedded in two metal capacitances and detect detected media between the pole piece, the capacitance detecting loop is connected and formed to capacitance measurement circuit 7 with the single chip machine controlling circuit 5 that is fixed on rectangle plastic-steel material cylinder 1 inside, single chip machine controlling circuit 5 will detect pole pieces 4 and be embedded in two metal capacitances by capacitance measurement circuit 7 and detect the capacitance scope that the detected media between the pole piece form and carry out detection computations these two metal capacitances, and identify and be embedded in two metal capacitances and detect detected medium characters between the pole piece, simultaneously, single chip machine controlling circuit 5 will be determined tested two metal capacitances according to this corresponding constantly scale decoding switch control signal and detect pole piece 4 residing scale label positions, the capacitance detecting loop that two neighbouring metal capacitances detect the pole piece correspondences with all under single chip machine controlling circuit 5 control all detect 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.Executing the data processing instrument outside this result also can be under software control be sent to by sensor conductor gang socket 9 and multicore water-proof cable further handles.
Claims (2)
1. condenser type ice layer thickness sensor, it is characterized in that sensor is by rectangle plastic-steel material cylinder (1), the metal capacitance that is made of two-sided copper clad plate material by the equidistant installation of scale label positional alignment that is embedded between rectangle plastic-steel cylinder (1) lateral wall (2) and the madial wall (3) detects pole piece group (4), be fixed on the inner single chip machine controlling circuit (5) of rectangle plastic-steel material cylinder (1), be fixed on rectangle plastic-steel material cylinder (1) scale decoding switch circuit (6) inner and that be connected with each metal capacitance detection pole piece and single chip machine controlling circuit, be fixed on the capacitance measurement circuit (7) that rectangle plastic-steel material cylinder (1) is inner and be connected with single chip machine controlling circuit and scale decoding switch circuit, thermal insulating seals to add and fills material (8) and sensor conductor gang socket (9) composition, wherein, capacitance measurement circuit (7) adopts the operational amplifier formula capacitance measurement circuit formation of being convenient to be undertaken by single-chip microcomputer data processing.
2. an application rights requires the detection method of 1 described condenser type ice layer thickness sensor, it is characterized in that at first vertically being placed on sensor in the ice sheet, the scale label total length has part metals capacitance detecting pole piece to be exposed on the ice face greater than ice layer thickness and sensor and is submerged in the ice sheet bottom, producing scale decoding switch control signal by sensor internal single chip machine controlling circuit (5) by certain coded sequence makes each scale decoding switch (6) connect two neighbouring in the metal capacitance detection pole piece group (4) metal capacitances detection pole pieces successively simultaneously according to coded sequence, will be when detected scale decoding switch conducting this scale position two neighbouring metal capacitances detect pole pieces and be embedded in two metal capacitances and detect detected media between the pole piece, the capacitance detecting loop is connected and formed to capacitance measurement circuit (7) single chip machine controlling circuit (5) inner with being fixed on rectangle plastic-steel material cylinder (1), single chip machine controlling circuit (5) will detect pole pieces and be embedded in two metal capacitances by capacitance measurement circuit (7) and detect the capacitance values that the detected media between the pole piece form and carry out detection computations these two metal capacitances, and identify according to gained capacitance numerical range and to be embedded in two metal capacitances and to detect detected medium characters between the pole piece, judge that it belongs to air, ice or water, simultaneously, single chip machine controlling circuit (5) will be determined tested two metal capacitances according to this corresponding constantly scale decoding switch control signal and detect the residing scale label of pole piece position, in single chip machine controlling circuit (5) control down with all the capacitance detecting loop of two neighbouring metal capacitances detection pole piece correspondences all detect finish after, single-chip microcomputer can be determined different measured medium boundary position, and then can determine 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)
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| CN 200510012794 CN1737490A (en) | 2005-09-01 | 2005-09-01 | Condenser type ice layer thickness sensor and detecting method thereof |
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| CN 200510012794 CN1737490A (en) | 2005-09-01 | 2005-09-01 | Condenser type ice layer thickness sensor and detecting method thereof |
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|---|---|---|---|---|
| CN102183791A (en) * | 2011-02-24 | 2011-09-14 | 浙江大学 | Method for detecting ice coating of power line based on capacity effect |
| CN101790672B (en) * | 2007-08-30 | 2011-11-02 | 塑料控制有限公司 | Method for contactless capacitive thickness measurements |
| 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 |
| CN102679861A (en) * | 2012-02-27 | 2012-09-19 | 太原理工大学 | Dual-system ice layer thickness measuring device |
| CN103292683A (en) * | 2013-05-31 | 2013-09-11 | 太原理工大学 | Capacitive sensing type detection device and detection method for ice cover thickness of overhead power transmission lines |
| CN103900459A (en) * | 2014-04-10 | 2014-07-02 | 运城学院 | Automatic detection device for saline solution crystallization thickness |
| 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 |
| CN107388700A (en) * | 2017-01-20 | 2017-11-24 | 芯海科技（深圳）股份有限公司 | A kind of refrigerator coagulates white sensor |
| CN107402407A (en) * | 2017-07-31 | 2017-11-28 | 广东美的暖通设备有限公司 | Pipeline deposit detection means, heat pump and progress control method |
| CN108195281A (en) * | 2017-12-22 | 2018-06-22 | 太原理工大学 | A kind of ice layer thickness measuring device based on piezomagnetic 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 |
| CN109764913A (en) * | 2019-02-22 | 2019-05-17 | 昆明大蚯蚓科技有限公司 | Pavement conditions detection device and method |
| CN110530417A (en) * | 2019-02-22 | 2019-12-03 | 昆明大蚯蚓科技有限公司 | Detecting and controlling system and method, detection control apparatus |
| CN111928768A (en) * | 2020-07-31 | 2020-11-13 | 中国第一汽车股份有限公司 | Device and method for detecting icing of crankcase ventilation pipeline |
| CN112729093A (en) * | 2020-12-08 | 2021-04-30 | 广东化一环境科技有限公司 | Medium thickness detection method, control device and storage medium |
| CN112729051A (en) * | 2020-12-08 | 2021-04-30 | 广东化一环境科技有限公司 | Medium thickness detection device |
| CN113155008A (en) * | 2021-03-10 | 2021-07-23 | 广东化一环境科技有限公司 | Thickness detection equipment and detection method for layered medium |
-
2005
- 2005-09-01 CN CN 200510012794 patent/CN1737490A/en active Pending
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101790672B (en) * | 2007-08-30 | 2011-11-02 | 塑料控制有限公司 | Method for contactless capacitive thickness measurements |
| CN102183791A (en) * | 2011-02-24 | 2011-09-14 | 浙江大学 | Method for detecting ice coating of power line based on capacity effect |
| CN102679861A (en) * | 2012-02-27 | 2012-09-19 | 太原理工大学 | Dual-system ice layer thickness measuring device |
| CN102679861B (en) * | 2012-02-27 | 2014-07-09 | 太原理工大学 | Dual-system ice layer thickness measuring device |
| 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 |
| CN103292683A (en) * | 2013-05-31 | 2013-09-11 | 太原理工大学 | Capacitive sensing type detection device and detection method for ice cover thickness of overhead power transmission lines |
| CN103292683B (en) * | 2013-05-31 | 2016-04-13 | 太原理工大学 | Capacitor induction type coated by ice of overhead power transmission line thickness detection apparatus and detection method |
| CN103900459A (en) * | 2014-04-10 | 2014-07-02 | 运城学院 | Automatic detection device for saline solution crystallization thickness |
| 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 |
| 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 |
| CN107388700A (en) * | 2017-01-20 | 2017-11-24 | 芯海科技（深圳）股份有限公司 | A kind of refrigerator coagulates white sensor |
| CN107402407A (en) * | 2017-07-31 | 2017-11-28 | 广东美的暖通设备有限公司 | Pipeline deposit detection means, heat pump and progress control method |
| CN107402407B (en) * | 2017-07-31 | 2023-12-29 | 广东美的暖通设备有限公司 | Pipeline sediment detection device, heat pump system and operation control method |
| CN108195281A (en) * | 2017-12-22 | 2018-06-22 | 太原理工大学 | A kind of ice layer thickness measuring device based on piezomagnetic 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 |
| CN109764913A (en) * | 2019-02-22 | 2019-05-17 | 昆明大蚯蚓科技有限公司 | Pavement conditions detection device and method |
| CN110530417A (en) * | 2019-02-22 | 2019-12-03 | 昆明大蚯蚓科技有限公司 | Detecting and controlling system and method, detection control apparatus |
| CN109764913B (en) * | 2019-02-22 | 2022-01-18 | 北京大蚯蚓数字科技有限公司 | Road surface condition detection device and method |
| CN111928768A (en) * | 2020-07-31 | 2020-11-13 | 中国第一汽车股份有限公司 | Device and method for detecting icing of crankcase ventilation pipeline |
| CN111928768B (en) * | 2020-07-31 | 2022-04-12 | 中国第一汽车股份有限公司 | Device and method for detecting icing of crankcase ventilation pipeline |
| CN112729093A (en) * | 2020-12-08 | 2021-04-30 | 广东化一环境科技有限公司 | Medium thickness detection method, control device and storage medium |
| CN112729051A (en) * | 2020-12-08 | 2021-04-30 | 广东化一环境科技有限公司 | Medium thickness detection device |
| CN113155008A (en) * | 2021-03-10 | 2021-07-23 | 广东化一环境科技有限公司 | Thickness detection equipment and detection method for layered medium |
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