CN106768186B - High-precision large-scale feed storage tank storage height measurement display device - Google Patents
High-precision large-scale feed storage tank storage height measurement display device Download PDFInfo
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- CN106768186B CN106768186B CN201710072551.2A CN201710072551A CN106768186B CN 106768186 B CN106768186 B CN 106768186B CN 201710072551 A CN201710072551 A CN 201710072551A CN 106768186 B CN106768186 B CN 106768186B
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- storage tank
- sound
- height
- tank wall
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The height of storage in the storage tank is measured to ultrasonic ranging's mode commonly used at present, but because the powdery fodder that does not take shape after smashing becomes tiny graininess, and is very unstable to the reflection of ultrasonic wave, leads to measuring result very unstable, brings very big influence to feed production. The invention relates to the field of feed processing equipment, in particular to a high-precision large-scale feed storage tank storage height measurement and display device. The device strikes the storage tank wall with the hammer, and the sound pickup monitors the sound that strikes storage tank wall and send simultaneously. Whether there is fodder or no fodder to storage tank jar wall inboard can send different sound when knocking the jar wall, confirms the height of storage tank storage fodder according to the difference of sound. The double-sound-pick-up device is used for collecting sound to compare the sound, so that the uncertainty of the sound generated by knocking the wall of the tank is eliminated, and the measurement accuracy is greatly improved; and the sound pickup strikes the tank wall and adopts the mode of same frequency, strikes the tank wall and makes the fundamental frequency of sound the same, has improved the precision of detection.
Description
Technical Field
The invention relates to the field of feed processing equipment, in particular to a high-precision large-scale feed storage tank storage height measurement and display device.
Background
With the increasing improvement of living standard of people, the demand of meat, eggs, milk and the like is continuously increased, and the feed processing industry is rapidly developed. In feed processing plants, it is often necessary to store the pulverized, unformed powdered feed in a storage tank for processing. The storage tank is the iron ladle of a cylinder type, and the height of storage in the storage tank is measured to ultrasonic ranging's mode commonly used, nevertheless because the not fashioned powdered fodder of smashing back becomes tiny graininess, and is very unstable to the reflection of ultrasonic wave, leads to measuring result very unstable, brings very big influence to feed production.
Disclosure of Invention
In order to solve the problems, the invention provides a high-precision large-scale feed storage tank storage height measurement and display device, which has the following specific technical scheme:
the high-precision large-scale feed storage tank storage height measurement and display device specifically comprises a height display LED unit, a screw rod, a height measurement module, a measurement and display circuit module and a screw rod driving motor; the measurement display circuit module is electrically connected with the height display LED unit, the height measurement module and the screw rod driving motor; the screw rod driving motor is electrically connected with the screw rod; the height measurement module is provided with a height measurement module screw rod through hole, the screw rod penetrates through the height measurement module screw rod through hole and is connected with the height measurement module, and the height measurement module can move up and down along the screw rod; the feed storage tank storage height measuring device is consistent with the height of the storage tank and is positioned on one side of the storage tank; the height measurement module comprises an upper sound pick-up, a lower sound pick-up, an upper storage tank wall knocking hammer and a lower storage tank wall knocking hammer, and the upper sound pick-up, the upper storage tank wall knocking hammer, the lower sound pick-up and the lower storage tank wall knocking hammer are sequentially arranged on the same straight line along the storage tank wall from top to bottom; the upper sound pickup is positioned beside the knocking hammer on the tank wall of the upper storage tank, and the lower sound pickup is positioned beside the knocking hammer on the tank wall of the lower storage tank; the feed storage tank storage height measuring device adopts the scheme that double sound pick-ups collect sound to perform sound comparison, and specifically collects sound generated by knocking a storage tank wall through an upper sound pick-up and a lower sound pick-up and knocking a storage tank wall through a storage tank wall knocking hammer and knocking a storage tank wall through a lower sound pick-up, and finally drives the lead screw driving motor and the LED display driving circuit to work after being processed by the measurement display circuit module.
Furthermore, a feed inlet is formed in the wall of the storage tank at the edge of the upper cylindrical surface of the storage tank, and a discharge outlet is formed in the wall of the storage tank at the edge of the lower cylindrical surface.
Furthermore, the height measuring module also comprises an upper knocking hammer movable shaft, an upper movable shaft crankshaft, an upper movable shaft driving wheel, a height measuring module screw rod through hole, a main driving wheel, a lower movable shaft crankshaft and a lower knocking hammer movable shaft; the tank wall knocking hammer of the upper storage tank is connected with a movable shaft of the upper knocking hammer; the upper knocking hammer movable shaft is connected with an upper movable shaft crankshaft; the upper movable shaft crankshaft is connected with the upper movable shaft driving wheel; the tank wall knocking hammer of the lower storage tank is connected with a movable shaft of the lower knocking hammer; the lower knocking hammer movable shaft is connected with a lower movable shaft crankshaft; the lower movable shaft crankshaft is connected with a lower movable shaft driving wheel; the upper movable shaft driving wheel and the lower movable shaft driving wheel are respectively matched with the main driving wheel; the upper sound pick-up and the lower sound pick-up are respectively connected with an upper signal processing unit circuit and a lower signal processing unit circuit of the measurement display circuit module; the upper sound pick-up and the lower sound pick-up collect the sound generated by the knocking hammer on the tank wall of the upper storage tank and the knocking hammer on the tank wall of the lower storage tank and transmit the sound to the measurement display circuit module for processing.
Furthermore, the measurement display circuit module comprises a height display LED unit, an upper signal processing unit circuit, an upper digital-to-analog conversion unit circuit, a main controller unit circuit, an LED display driving circuit, a lower digital-to-analog conversion unit circuit and a lower signal processing unit circuit; the upper sound pick-up and the lower sound pick-up are respectively connected with the wall of the material storage tank; the upper sound pick-up collects sound signals of the tank wall of the upper material storage tank knocked by the knocking hammer and outputs the sound signals to the upper signal processing unit circuit, the signals are processed by the upper signal processing unit circuit and then input to the upper digital-to-analog conversion unit circuit, and the signals are converted into digital signals through the digital-to-analog conversion unit circuit and then input to the main controller unit circuit for digital processing of audio signals; the lower sound pick-up collects sound signals generated when the knocking hammer knocks the tank wall of the lower material storage tank and outputs the sound signals to the lower signal processing unit circuit, the signals are processed by the lower signal processing unit circuit and then input to the lower digital-to-analog conversion unit circuit, and the signals are converted into digital signals through the lower digital-to-analog conversion unit circuit and then input to the main controller unit circuit for digital processing of audio signals; the signals processed by the main controller unit circuit are input to a screw rod driving motor and an LED display driving circuit; the LED display driving circuit receives and processes the signals and then drives the height display LED unit to work.
Furthermore, the mode of same frequency is adopted when the tank wall of the storage tank is knocked, and the fundamental frequency of sound generated when the tank wall of the storage tank is knocked is the same.
Further, an upper height limiting point and a lower height limiting point are arranged on the height display LED unit.
Further, the distance between the upper sound pickup and the lower sound pickup is 10 to 15cm.
Further, the height measuring module and the measuring and displaying circuit module are placed inside the casing.
The invention has the beneficial effects that: the scheme that double sound pick-up devices collect sound for sound comparison is adopted, the uncertainty of sound generated by knocking the wall of the tank is eliminated, and the measurement accuracy is greatly improved; the mode of same frequency is adopted for knocking the tank wall, the fundamental frequencies of sounds emitted by knocking the tank wall are the same, and the detection precision is improved.
Drawings
FIG. 1 is a schematic structural diagram of a high-precision large-scale feed storage tank storage height measurement display device: 1. the device comprises a discharge port, 2, a storage tank, 3, a feed port, 4, a shell, 5, a height display LED unit, 6, upper and lower height limiting points, 7, a screw rod, 8, a height measuring module, 9, a data line, 10, a measuring and displaying circuit module, 11, a screw rod driving motor, 12 and a power line;
FIG. 2 is a sectional view of a height measuring module of a high-precision large-scale feed storage tank storage height measuring and displaying device: 13. a feed height line, 14, a storage tank wall, 15, an upper sound pick-up, 16, an upper storage tank wall knocking hammer, 17, an upper knocking hammer movable shaft, 18, an upper movable shaft crankshaft, 19, an upper movable shaft driving wheel, 20, a height measuring module screw rod through hole, 21, a main driving wheel, 22, a lower movable shaft driving wheel, 23, a lower movable shaft crankshaft, 24, a lower knocking hammer movable shaft, 25, a lower storage tank wall knocking hammer, 26 and a lower sound pick-up;
FIG. 3 is a schematic structural diagram of a measurement display circuit module of the high-precision large-scale feed storage tank storage height measurement display device: 5. the LED height display device comprises a height display LED unit 11, a screw rod driving motor 15, an upper sound pick-up 26, a lower sound pick-up 27, an upper signal processing unit circuit 28, an upper digital-to-analog conversion unit circuit 29, a main controller unit circuit 30, an LED display driving circuit 31, a lower digital-to-analog conversion unit circuit 32 and a lower signal processing unit circuit.
Detailed Description
The core principle of the invention is that a knocking hammer is used for knocking the wall of the storage tank, and a sound pickup monitors the sound generated by knocking the wall of the storage tank. Whether there is fodder or no fodder to storage tank jar wall inboard can send different sound when knocking the jar wall, confirms the height of storage tank storage fodder according to the difference of sound. For a better understanding of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings in which:
and turning on a power switch, and starting the whole system to work. Firstly, the main driving wheel 21 rotates to drive the upper movable shaft driving wheel 19 and the lower movable shaft driving wheel 22 to rotate, the upper movable shaft driving wheel 19 and the lower movable shaft driving wheel 22 drive the upper movable shaft crankshaft 18 and the lower movable shaft crankshaft 23 to move, the upper movable shaft crankshaft 18 and the lower movable shaft crankshaft 23 drive the upper knocking hammer movable shaft 17 and the lower knocking hammer movable shaft 24 to move, finally, the upper storage tank wall knocking hammer 16 and the lower storage tank wall knocking hammer 25 knock the storage tank wall 14) to generate sound, the upper sound pickup 15 and the lower sound pickup 26 collect the sound generated by knocking the storage tank wall 14, the sound is processed by the upper signal processing unit circuit 27 and the lower signal processing unit circuit 32 and then is converted into digital signals through the upper digital-to-analog conversion unit circuit 28 and the lower digital-to-analog conversion unit circuit 31, the two digital signals are sent to the main controller unit circuit 29 to be subjected to digital processing of audio signals, and the difference of the two paths of sound signals is compared, and when the characteristics of the two paths of the sound signals are the same, whether the inside of the storage tank wall 14 has feed or has no feed. If feed exists, the main controller unit circuit 29 sends a control signal to the screw rod driving motor 11, and the screw rod driving motor 11 rotates to drive the screw rod 7 to rotate, so that the height measuring module 8 moves upwards; if no feed exists, the main controller unit circuit 29 sends a control signal to the screw rod driving motor 11, and the screw rod driving motor 11 rotates to drive the screw rod 7 to rotate, so that the height measuring module 8 moves downwards. The above control process is repeated until it is judged that the two different sound signals are monitored by the upper microphone 15 and the lower microphone 26, and at this time, it is judged that the center line between the upper microphone 16 and the lower microphone 26 is the feed height line 13. The main controller unit circuit 29 sends a driving signal to the LED display driving circuit 30, and the LED display section corresponding to the height display LED unit 5 is lit after being driven by the LED display driving circuit 30, thereby completing the visual display of the storage height in the storage tank.
The present invention is not limited to the above-described embodiments, which are merely preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Large-scale fodder storage tank storage height of high accuracy measures display device, its characterized in that: the height measurement and display device comprises a height display LED unit (5), a screw rod (7), a height measurement module (8), a measurement and display circuit module (10) and a screw rod driving motor (11); the measurement display circuit module (10) is electrically connected with the height display LED unit (5), the height measurement module (8) and the screw rod driving motor (11); the screw rod driving motor (11) is electrically connected with the screw rod (7); the height measurement module (8) is provided with a height measurement module screw rod through hole (20), the screw rod (7) penetrates through the height measurement module screw rod through hole (20) and is connected with the height measurement module (8), and the height measurement module (8) can move up and down along the screw rod (7); the feed storage tank storage height measuring device is consistent with the height of the storage tank (2) and is positioned on one side of the storage tank (2); the height measuring module (8) comprises an upper sound pickup (15), a lower sound pickup (26), an upper storage tank wall knocking hammer (16) and a lower storage tank wall knocking hammer (25), and the upper sound pickup (15), the upper storage tank wall knocking hammer (16), the lower sound pickup (26) and the lower storage tank wall knocking hammer (25) are sequentially arranged on the same straight line along the storage tank wall (14) from top to bottom; the upper sound pick-up (15) is positioned beside the upper storage tank wall knocking hammer (16), and the lower sound pick-up (26) is positioned beside the lower storage tank wall knocking hammer (25); the device for measuring the storage height of the feed storage tank adopts a scheme that double sound pickups collect sound for sound comparison, and specifically, sound generated by knocking the tank wall (14) of the feed storage tank through an upper sound pickup (15) and a lower sound pickup (26) is collected through an upper storage tank wall knocking hammer (16) and a lower storage tank wall knocking hammer (25), and then the sound is processed through a measurement display circuit module (10) to finally drive a screw rod driving motor (11) and an LED display driving circuit (30) to work;
the height measurement module further comprises an upper knocking hammer movable shaft (17), an upper movable shaft crankshaft (18), an upper movable shaft driving wheel (19), a height measurement module screw rod through hole (20), a main driving wheel (21), a lower movable shaft driving wheel (22), a lower movable shaft crankshaft (23) and a lower knocking hammer movable shaft (24); the tank wall knocking hammer (16) of the upper material storage tank is connected with an upper knocking hammer movable shaft (17); the upper knocking hammer movable shaft (17) is connected with an upper movable shaft crankshaft (18); the upper loose axle crankshaft (18) is connected with an upper loose axle driving wheel (19); the tank wall knocking hammer (25) of the lower storage tank is connected with a lower knocking hammer movable shaft (24); the lower knocking hammer movable shaft (24) is connected with a lower movable shaft crankshaft (23); the lower movable shaft crankshaft (23) is connected with a lower movable shaft driving wheel (22); the upper movable shaft driving wheel (19) and the lower movable shaft driving wheel (22) are respectively matched with the main driving wheel (21); the upper sound pick-up (15) and the lower sound pick-up (26) are respectively connected with an upper signal processing unit circuit (27) and a lower signal processing unit circuit (32) of the measurement display circuit module (10); the upper sound pick-up (15) and the lower sound pick-up (26) collect the sound generated by knocking the tank wall (14) of the storage tank by the upper storage tank wall knocking hammer (16) and the lower storage tank wall knocking hammer (25) and transmit the sound to the measurement display circuit module (10) for processing;
the measurement display circuit module (10) comprises a height display LED unit (5), an upper signal processing unit circuit (27), an upper digital-to-analog conversion unit circuit (28), a main controller unit circuit (29), an LED display driving circuit (30), a lower digital-to-analog conversion unit circuit (31) and a lower signal processing unit circuit (32); the upper sound pick-up (15) and the lower sound pick-up (26) are respectively connected with the tank wall (14) of the material storage tank; the upper sound pick-up (15) collects sound signals generated when the upper storage tank wall knocking hammer (16) knocks the storage tank wall (14) and outputs the sound signals to the upper signal processing unit circuit (27), the signals are processed by the upper signal processing unit circuit (27) and then input to the upper digital-to-analog conversion unit circuit (28), and the signals are converted into digital signals through the upper digital-to-analog conversion unit circuit (28) and then input to the main controller unit circuit (29) to perform digital processing on audio signals; the lower sound pick-up (26) collects sound signals generated when the lower storage tank wall knocking hammer (25) knocks the storage tank wall (14) and outputs the sound signals to the lower signal processing unit circuit (32), the signals are processed by the lower signal processing unit circuit (32) and then input to the lower digital-to-analog conversion unit circuit (31), and the signals are converted into digital signals through the lower digital-to-analog conversion unit circuit (31) and then input to the main controller unit circuit (29) to perform digital processing on audio signals; signals processed by the main controller unit circuit (29) are input to the screw rod driving motor (11) and the LED display driving circuit (30); the LED display driving circuit (30) receives the signals, processes the signals and drives the height display LED unit (5) to work.
2. The device for measuring and displaying the storage height of the large-scale high-precision feed storage tank as claimed in claim 1, wherein: a material inlet (3) is formed in the material storage tank wall (14) at the edge of the upper cylindrical surface of the material storage tank (2), and a material outlet (1) is formed in the material storage tank wall (14) at the edge of the lower cylindrical surface.
3. The device for measuring and displaying the storage height of the large-scale high-precision feed storage tank as claimed in claim 1, wherein: the mode of same frequency is adopted when the storage tank wall (14) is knocked, and the fundamental frequencies of sounds generated when the storage tank wall (14) is knocked are the same.
4. The high-precision large-scale feed storage tank storage height measurement and display device of claim 1, characterized in that: and upper and lower height limiting points (6) are arranged on the height display LED unit (5).
5. The high-precision large-scale feed storage tank storage height measurement and display device of claim 1, characterized in that: the distance between the upper sound pickup (15) and the lower sound pickup (26) is 10 to 15cm.
6. The device for measuring and displaying the storage height of the large-scale high-precision feed storage tank as claimed in claim 1, wherein: the height measuring module (8) and the measuring and displaying circuit module (10) are arranged inside the machine shell (4).
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| CN201710072551.2A CN106768186B (en) | 2017-02-10 | 2017-02-10 | High-precision large-scale feed storage tank storage height measurement display device |
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| CN201710072551.2A CN106768186B (en) | 2017-02-10 | 2017-02-10 | High-precision large-scale feed storage tank storage height measurement display device |
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| CN106768186B true CN106768186B (en) | 2023-04-07 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102018222339A1 (en) * | 2018-12-19 | 2020-06-25 | Robert Bosch Gmbh | Device for determining a fill level of a container for holding a liquid and a container with such a device |
| CN110243441A (en) * | 2019-06-06 | 2019-09-17 | 江阴市富仁高科股份有限公司 | A kind of tank capacity detection device and detection method |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01140059A (en) * | 1987-11-27 | 1989-06-01 | Kajima Corp | Method for detecting cavity of concrete structure |
| JPH08166440A (en) * | 1994-12-15 | 1996-06-25 | Keyence Corp | Detector with ultrasonic sensor |
| WO1996027120A1 (en) * | 1995-03-01 | 1996-09-06 | Unitor Denmark A/S | A method and an apparatus for measuring and indicating the fluid level in a container |
| RU2088894C1 (en) * | 1991-09-03 | 1997-08-27 | Омелюта Станислав Никифорович | Device for measuring level and volume of material in vessel |
| JPH11248514A (en) * | 1998-03-02 | 1999-09-17 | Japan Organo Co Ltd | Liquid level detecting apparatus and method |
| DE10009019C1 (en) * | 2000-02-25 | 2001-08-30 | Hartmut Siegel | Device for checking the content of containers |
| US6443004B1 (en) * | 1998-04-27 | 2002-09-03 | Heuft Systemtechnik Gmbh | Method and device for determining the filling level in containers |
| CN1587924A (en) * | 2004-07-06 | 2005-03-02 | 北京市凯通软件技术服务有限公司 | Sound wave liquid level emasuring device and its method |
| JP2008070388A (en) * | 2007-12-03 | 2008-03-27 | Hitachi Ltd | Liquid level detection method by means of sound and its device |
| JP2009002707A (en) * | 2007-06-19 | 2009-01-08 | Ricoh Elemex Corp | Ultrasonic liquid sensing apparatus |
| JP2009041991A (en) * | 2007-08-07 | 2009-02-26 | Ricoh Elemex Corp | Carryable type liquid detecting unit |
| CN101493354A (en) * | 2009-03-01 | 2009-07-29 | 太原理工大学 | Material level detecting method for tube mill based on multi-sensor fusing technology |
| CN102323778A (en) * | 2011-07-01 | 2012-01-18 | 桂林电子科技大学 | Wireless distributed control system of special controller for ring die |
| EP2559978A1 (en) * | 2011-08-19 | 2013-02-20 | Truma Gerätetechnik GmbH & Co. KG | Mobile ultrasonic measuring device for determining fill levels of containers of all kinds |
| CN104006867A (en) * | 2014-05-30 | 2014-08-27 | 徐州徐工施维英机械有限公司 | Device and method for detecting material level of silo in concrete mixing plant |
| CN104748794A (en) * | 2015-03-23 | 2015-07-01 | 桂林电子科技大学 | System for measuring and transmitting data in closed system |
| CN206556722U (en) * | 2017-02-10 | 2017-10-13 | 桂林新洲机械设备有限公司 | High precision large-sized feed storage tank storing elevation carrection display device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL210776A (en) * | 2011-01-20 | 2015-10-29 | Israel Polishuk | Method and device for estimating the content of a solid material container |
| US9506797B2 (en) * | 2014-05-28 | 2016-11-29 | H. Lamar Zimmerman | Apparatus for estimating the level of feed in a bulk feed tank |
-
2017
- 2017-02-10 CN CN201710072551.2A patent/CN106768186B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01140059A (en) * | 1987-11-27 | 1989-06-01 | Kajima Corp | Method for detecting cavity of concrete structure |
| RU2088894C1 (en) * | 1991-09-03 | 1997-08-27 | Омелюта Станислав Никифорович | Device for measuring level and volume of material in vessel |
| JPH08166440A (en) * | 1994-12-15 | 1996-06-25 | Keyence Corp | Detector with ultrasonic sensor |
| WO1996027120A1 (en) * | 1995-03-01 | 1996-09-06 | Unitor Denmark A/S | A method and an apparatus for measuring and indicating the fluid level in a container |
| JPH11248514A (en) * | 1998-03-02 | 1999-09-17 | Japan Organo Co Ltd | Liquid level detecting apparatus and method |
| US6443004B1 (en) * | 1998-04-27 | 2002-09-03 | Heuft Systemtechnik Gmbh | Method and device for determining the filling level in containers |
| DE10009019C1 (en) * | 2000-02-25 | 2001-08-30 | Hartmut Siegel | Device for checking the content of containers |
| CN1587924A (en) * | 2004-07-06 | 2005-03-02 | 北京市凯通软件技术服务有限公司 | Sound wave liquid level emasuring device and its method |
| JP2009002707A (en) * | 2007-06-19 | 2009-01-08 | Ricoh Elemex Corp | Ultrasonic liquid sensing apparatus |
| JP2009041991A (en) * | 2007-08-07 | 2009-02-26 | Ricoh Elemex Corp | Carryable type liquid detecting unit |
| JP2008070388A (en) * | 2007-12-03 | 2008-03-27 | Hitachi Ltd | Liquid level detection method by means of sound and its device |
| CN101493354A (en) * | 2009-03-01 | 2009-07-29 | 太原理工大学 | Material level detecting method for tube mill based on multi-sensor fusing technology |
| CN102323778A (en) * | 2011-07-01 | 2012-01-18 | 桂林电子科技大学 | Wireless distributed control system of special controller for ring die |
| EP2559978A1 (en) * | 2011-08-19 | 2013-02-20 | Truma Gerätetechnik GmbH & Co. KG | Mobile ultrasonic measuring device for determining fill levels of containers of all kinds |
| CN104006867A (en) * | 2014-05-30 | 2014-08-27 | 徐州徐工施维英机械有限公司 | Device and method for detecting material level of silo in concrete mixing plant |
| CN104748794A (en) * | 2015-03-23 | 2015-07-01 | 桂林电子科技大学 | System for measuring and transmitting data in closed system |
| CN206556722U (en) * | 2017-02-10 | 2017-10-13 | 桂林新洲机械设备有限公司 | High precision large-sized feed storage tank storing elevation carrection display device |
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