CN107064179A - A kind of sand material moisture content online automatic detection instrument - Google Patents
A kind of sand material moisture content online automatic detection instrument Download PDFInfo
- Publication number
- CN107064179A CN107064179A CN201710487923.8A CN201710487923A CN107064179A CN 107064179 A CN107064179 A CN 107064179A CN 201710487923 A CN201710487923 A CN 201710487923A CN 107064179 A CN107064179 A CN 107064179A
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- sleeve pipe
- sensor
- moisture content
- sand material
- pipe
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- 239000000463 material Substances 0.000 title claims abstract description 43
- 239000004576 sand Substances 0.000 title claims abstract description 43
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 239000000919 ceramic Substances 0.000 claims abstract description 26
- 238000010276 construction Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 10
- 239000004615 ingredient Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000011343 solid material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
- G01N22/04—Investigating moisture content
Abstract
The invention provides a plant feed bin sand material moisture content online automatic detection instrument, including：Sandstone feed bin, detector；The bulkhead of sandstone feed bin sets a construction opening, and sleeve pipe passes through construction opening, and the side wall of sleeve pipe and the internal perisporium of construction opening are welded and fixed；Installing pipe is located in sleeve pipe, and is abutted by three circumferentially disposed holding screws of the side wall along sleeve pipe with the outer wall of installing pipe；Sleeve pipe and installing pipe are additionally provided with resigning hole in correspondence position, and bolt is passed through after the resigning hole and nut is connected sleeve pipe and mutually fixed with installing pipe；Sensor is arranged in sleeve pipe, and the part that its front end is located in sandstone feed bin by sleeve pipe is in sandstone feed bin；The front end of sensor is provided with ceramic panel；Sensor is connected to display recorder by the interfaces of RS 485；Water content in sandstone causes the electric capacity of ceramic panel to change, and then causes sensor generation microwave power deamplification.
Description
Technical field
The present invention relates to a kind of sand material detection field, more particularly to a kind of sand material moisture content online automatic detection instrument.
Background technology
The main performance index for weighing concrete quality is intensity and durability.Concrete mix proportioning in water consumption with
The ratio of cement amount is that the ratio of mud will directly influence intensity and durability.Hypohydration, concrete workability is poor.Moisture mistake
Many, concrete flowability is excessive, porosity increase, intensity decreases.Pore in concrete be moisture, etching medium, oxygen,
Carbon dioxide and other harmful substances enter the passage of inside concrete, influence the durability of concrete.Control sand material aqueous
Rate is the guarantee of concrete high-strength degree and durability.
Offline survey sand material moisture content pattern is out-of-date, although reliability is high, but wastes time and energy, and also exists artificially by mistake
Difference.Sand material moisture content is controlled using online automatic detection equipment so market becomes more and more popular.Sand material is online certainly
The current capacitance method of dynamic detection means uses more.Advantage is easy economy, stability height, easy care, but by temperature and density
The environmental impact factors such as degree are more, also to compensate moisture content calculated value using technique for temperature compensation, make structure more complicated, limit
The tremendous development of capacitance measurement moisture content.
Microwave Detecting Technology is a kind of technology grown up on the basis of microwave electronics and Microwave Measurement Technique etc..It is micro-
Ripple is uhf electromagnetic wave, and when microwave is propagated in wet sand material, hydrone is taken by the effect of microwave electric field
To polarization, hydrone is highly polar dipole, and microwave energy consumption is mainly shown as the orientation polarization loss of dipole.Energy is damaged
The size of consumption and the content of moisture have certain relation.So microwave can be used as moisture content by the pad value of energy during sand material
A kind of measurement, sensitivity is higher.Ultrasonic technology, microwave technology at home on concrete production sand material on-line checking should
With also in the starting stage, but the application of ultrasonic microwave technology will greatly promote concrete to modernize detection skill online
The development of art, improves the competitiveness of China's automatic detection product.
The content of the invention
Technical problem underlying to be solved by this invention is the deficiency present in prior art, and provides a kind of sandstone
Expect moisture content online automatic detection instrument.
The purpose of the present invention is realized by following technical proposals：The one on-line automatic inspection of plant feed bin sand material moisture content
Survey instrument, including sandstone feed bin, detector；
Detector includes sleeve pipe, bolt, nut, holding screw, installing pipe, sensor, ceramic panel；
The bulkhead of the sandstone feed bin sets a construction opening, and sleeve pipe passes through construction opening, and the side wall and peace of sleeve pipe
The internal perisporium of dress opening is welded and fixed；Installing pipe is located in sleeve pipe, and passes through circumferentially disposed three of the side wall along sleeve pipe
Holding screw is abutted with the outer wall of installing pipe；Described sleeve pipe and installing pipe are additionally provided with resigning hole in correspondence position, and bolt is passed through should
Sleeve pipe is mutually fixed with installing pipe with nut connection after resigning hole；
Sensor is arranged in described sleeve pipe, and the part that its front end is located at by sleeve pipe in sandstone feed bin is exposed to sand
In building stones storehouse；The front end of the sensor is provided with the ceramic panel；
The sensor is connected to display recorder by RS-485 interfaces；Water content in sandstone causes ceramic panel
Electric capacity changes, and then causes sensor generation microwave power deamplification；The display recorder declines the microwave power
Cut signal is converted to voltage signal, and then draws the moisture content in sandstone.
Conveyed present invention also offers a kind of sand material belt conveyer moisture content online automatic detection instrument, including sand material
Belt feeder, detector, belt feeder detector mounting bracket；
Detector includes sleeve pipe, bolt, nut, holding screw, installing pipe, sensor, ceramic panel；Belt feeder detector
Mounting bracket includes bending part, installing plate；
Bending part is two U-boards placed in opposite directions, and the openend of U-board is placed in opposite directions；Installing plate is placed in bending part
Top, and the side wall contact welding of lower surface two ends and bending part；The opposite side wall of bending part with sand material with conveying skin
Band machine is bolted to connection；
The surface of sleeve pipe is axially through a construction opening is set, and sleeve pipe passes through construction opening, and the side wall of sleeve pipe
It is welded and fixed with the internal perisporium of construction opening；Installing pipe is located in sleeve pipe, and by circumferentially disposed along the side wall of sleeve pipe
Three holding screws are abutted with the outer wall of installing pipe；Described sleeve pipe and installing pipe are additionally provided with resigning hole in correspondence position, and bolt is worn
Cross after the resigning hole and mutually to fix sleeve pipe with installing pipe with nut connection；
Sensor is arranged in described sleeve pipe, and its front end is in belt feeder detector mounting bracket；The sensing
The front end of device is provided with the ceramic panel；
The sensor is connected to display recorder by RS-485 interfaces；Water content in sandstone causes ceramic panel
Electric capacity changes, and then causes sensor generation microwave power deamplification；The display recorder declines the microwave power
Cut signal is converted to voltage signal, and then draws the moisture content in sandstone.
In a preferred embodiment：The distance of the ceramic panel and any hardware is all not less than 150mm.
In a preferred embodiment：RS-485 serial line interfaces support branched road network to connect simultaneously in the detector, most
It is many to connect 16 sensors simultaneously.
In a preferred embodiment：It can detect that sand material etc. is free of the moisture content of metal ingredient solid material, measurement essence
Degree reaches 1%, and measurement sand material moisture content scope is 0-20%.
Compared to prior art, technical scheme possesses following beneficial effect：
The purpose of the present invention is the deficiency present in prior art, and it is on-line automatic to provide a kind of sand material moisture content
Detector, object is dynamic stream.The device uses Microwave Detecting Technology, online automatic detection moisture content, without compensation temperature
Or the environmental factor such as density, it is to avoid the harmful effect to moisture content result.Good reliability, precision are high, strong antijamming capability, easily
In realize it is real-time, lossless, online it is quick, without the dangerous detection of excess radiation.
Brief description of the drawings
Fig. 1 is sand material moisture content online automatic detection instrument schematic diagram in preferred embodiment of the embodiment of the present invention 1；
Fig. 2 is sand material moisture content online automatic detection instrument installation section amplification in preferred embodiment of the embodiment of the present invention 1
Schematic diagram；
Fig. 3 is for detector system structure diagram in preferred embodiment of the embodiment of the present invention 1.
Fig. 4 is sand material moisture content online automatic detection instrument schematic diagram in preferred embodiment of the embodiment of the present invention 2；
In figure：1. the sand material belt conveyer 11. of 2. detector of sandstone feed bin, 3. belt feeder detector mounting bracket 4.
The bending part of 17. ceramic panel of sleeve pipe 12. bolt, 13. nut, 14. holding screw, 15. installing pipe, 16. sensor 31.
32. installing plate.
Embodiment
This case is described in further detail with reference to the accompanying drawings and detailed description.
Below in conjunction with the embodiment of the brief description of the drawings present invention.
Embodiment 1
As shown in Figure 1-2, a plant feed bin sand material moisture content online automatic detection instrument, including sandstone feed bin 1, detector 2；
Detector 2 includes sleeve pipe 11, bolt 12, nut 13, holding screw 14, installing pipe 15, sensor 16, ceramic panel
17；
The bulkhead of the sandstone feed bin 1 sets a construction opening, and sleeve pipe 11 passes through construction opening, and the side wall of sleeve pipe 11
It is welded and fixed with the internal perisporium of construction opening；Installing pipe 15 is located in sleeve pipe 11, and by circumferential along the side wall of sleeve pipe 11
Three holding screws 14 set are abutted with the outer wall of installing pipe 15；Described sleeve pipe 11 and installing pipe 15 are additionally provided with correspondence position
Resigning hole, bolt 12 passes through to connect with nut 13 after the resigning hole and mutually fixes sleeve pipe 11 with installing pipe 15；
Sensor 16 is arranged in described sleeve pipe 11, and its front end is located at the part in sandstone feed bin 1 by sleeve pipe 11
In sandstone feed bin 1；The front end of the sensor 16 is provided with the ceramic panel 17；
When sand material falls in sandstone feed bin 1, the ceramic panel 17 on sensor 16, which is in principal goods stream, to be contained
Water rate automatic detection.The sensor 16 is connected to display recorder by RS-485 interfaces；Water content in sandstone causes pottery
The electric capacity of ceramic face board 17 changes, and then causes the generation microwave power deamplification of sensor 16；The display recorder will
The microwave power deamplification is converted to voltage signal, and then draws the moisture content in sandstone.
As shown in figure 3, system is using display recorder as core, the significant data associated in measurement process is with the shape of file
Formula is stored in SD storage cards by SD card interface, then is connected to by card reader in computer, real-time as historical data
Check.The water-cut variation information that system is measured in real time is transferred to computer by RS-232 interface, participates in concrete batching
Calculate, water content of sandstone measuring system is dissolved into as a subsystem in concrete mixing control total system.Using above-mentioned
Feed bin sand material moisture content online automatic detection instrument, can detect that sand material etc. is free of the moisture content of metal ingredient solid material,
Measurement accuracy reaches 1%, and measurement sand material moisture content scope is 0-20%
In the present embodiment, in order to ensure the accuracy of measurement, the distance of the ceramic panel 17 and any hardware is all
Not less than 150mm.
RS-485 serial line interfaces support branched road network to connect simultaneously in the detector, at most 16 sensings of connection simultaneously
Device 16.
Embodiment 2
As shown in figure 4, a kind of sand material belt conveyer moisture content online automatic detection instrument, including sand material belt conveyor
Machine 4, detector 2, belt feeder detector mounting bracket 3；
Detector includes sleeve pipe 11, bolt 12, nut 13, holding screw 14, installing pipe 15, sensor 16, ceramic panel
17；Belt feeder detector mounting bracket 3 includes bending part 31, installing plate 32；
Bending part 31 is two U-boards placed in opposite directions, and the openend of U-board is placed in opposite directions；Installing plate 32 is placed in bending
The top of part, and lower surface two ends and the side wall contact welding of bending part 31；The opposite side wall of bending part 31 and and sandstone
Material belt conveyer 4 is bolted to connection；
The surface of sleeve pipe 11 is axially through a construction opening is set, and sleeve pipe 11 passes through construction opening, and sleeve pipe 11
Side wall and the internal perisporium of construction opening be welded and fixed；Installing pipe 15 is located in sleeve pipe 11, and by along the side of sleeve pipe 11
Three circumferentially disposed holding screws of wall are abutted with the outer wall of installing pipe 15；Described sleeve pipe 11 and installing pipe 15 in correspondence position also
Provided with resigning hole, bolt passes through to connect with nut after the resigning hole and mutually fixes sleeve pipe 11 with installing pipe 15；
Sensor 16 is arranged in described sleeve pipe 11, and its front end is in belt feeder detector mounting bracket 4；It is described
The front end of sensor 16 is provided with the ceramic panel 17；
When sand material belt conveyer 4 conveys sand material, then ceramic panel 17 carries out moisture content in face of principal goods stream
Automatic detection.The sensor 16 is connected to display recorder by RS-485 interfaces；Water content in sandstone causes ceramic plane
The electric capacity of plate 17 changes, and then causes the generation microwave power deamplification of sensor 16；The display recorder is micro- by this
Wave power deamplification is converted to voltage signal, and then draws the moisture content in sandstone.
Remainder is same as Example 1, repeats no more.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
The present embodiment is intended to illustrate the idea and operation principle of the invention, therefore every technical spirit according to the present invention is to above example
The subtle modifications, equivalent variations and modifications of made any shape and structure, in the range of still falling within technical solution of the present invention.
Claims (5)
1. a plant feed bin sand material moisture content online automatic detection instrument, it is characterised in that including：Sandstone feed bin, detector；
Detector includes sleeve pipe, bolt, nut, holding screw, installing pipe, sensor, ceramic panel；
The bulkhead of the sandstone feed bin sets a construction opening, and sleeve pipe passes through construction opening, and the side wall of sleeve pipe is opened with installation
The internal perisporium of mouth is welded and fixed；Installing pipe is located in sleeve pipe, and passes through three circumferentially disposed tightenings of the side wall along sleeve pipe
Screw is abutted with the outer wall of installing pipe；Described sleeve pipe and installing pipe are additionally provided with resigning hole in correspondence position, and bolt passes through the resigning
Sleeve pipe is mutually fixed with installing pipe with nut connection behind hole；
Sensor is arranged in described sleeve pipe, and the part that its front end is located at by sleeve pipe in sandstone feed bin is exposed to sand material
In storehouse；The front end of the sensor is provided with the ceramic panel；
The sensor is connected to display recorder by RS-485 interfaces；Water content in sandstone causes the electric capacity of ceramic panel
Change, and then cause sensor generation microwave power deamplification；The display recorder, which decays the microwave power, to be believed
Number voltage signal is converted to, and then draws the moisture content in sandstone.
2. a kind of sand material belt conveyer moisture content online automatic detection instrument, it is characterised in that including：Sand material belt conveyor
Machine, detector, belt feeder detector mounting bracket；
Detector includes sleeve pipe, bolt, nut, holding screw, installing pipe, sensor, ceramic panel；Belt feeder detector is installed
Frame includes bending part, installing plate；
Bending part is two U-boards placed in opposite directions, and the openend of U-board is placed in opposite directions；Installing plate is placed in the top of bending part,
And the side wall contact of lower surface two ends and bending part is welded；The opposite side wall of bending part with sand material belt conveyer with leading to
Bolt is crossed to be fixedly connected；
The surface of sleeve pipe is axially through a construction opening is set, and sleeve pipe passes through construction opening, and the side wall and peace of sleeve pipe
The internal perisporium of dress opening is welded and fixed；Installing pipe is located in sleeve pipe, and passes through circumferentially disposed three of the side wall along sleeve pipe
Holding screw is abutted with the outer wall of installing pipe；Described sleeve pipe and installing pipe are additionally provided with resigning hole in correspondence position, and bolt is passed through should
Sleeve pipe is mutually fixed with installing pipe with nut connection after resigning hole；
Sensor is arranged in described sleeve pipe, and its front end is in belt feeder detector mounting bracket；The sensor
Front end is provided with the ceramic panel；
The sensor is connected to display recorder by RS-485 interfaces；Water content in sandstone causes the electric capacity of ceramic panel
Change, and then cause sensor generation microwave power deamplification；The display recorder, which decays the microwave power, to be believed
Number voltage signal is converted to, and then draws the moisture content in sandstone.
3. a kind of sand material moisture content online automatic detection instrument as claimed in claim 1 or 2, it is characterised in that：The ceramics
The distance of panel and any hardware is all not less than 150mm.
4. a kind of sand material moisture content online automatic detection instrument as claimed in claim 1 or 2, it is characterised in that：The detection
RS-485 serial line interfaces support branched road network to connect simultaneously in instrument, and 16 sensors are at most connected simultaneously.
5. a kind of sand material moisture content online automatic detection instrument as claimed in claim 1 or 2, it is characterised in that：It can detect
Sand material etc. is free of the moisture content of metal ingredient solid material, and measurement accuracy reaches 1%, and measurement sand material moisture content scope is 0-
20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710487923.8A CN107064179A (en) | 2017-06-23 | 2017-06-23 | A kind of sand material moisture content online automatic detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710487923.8A CN107064179A (en) | 2017-06-23 | 2017-06-23 | A kind of sand material moisture content online automatic detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107064179A true CN107064179A (en) | 2017-08-18 |
Family
ID=59613823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710487923.8A Pending CN107064179A (en) | 2017-06-23 | 2017-06-23 | A kind of sand material moisture content online automatic detection instrument |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399984A (en) * | 2018-11-13 | 2019-03-01 | 中国铁建重工集团有限公司 | The control method and device of water content of sandstone |
| CN109732782A (en) * | 2019-03-06 | 2019-05-10 | 武汉理工大学 | A kind of concrete moisture content online monitoring system and monitoring method |
| CN110044977A (en) * | 2019-05-07 | 2019-07-23 | 中山市武汉理工大学先进工程技术研究院 | A kind of sandstone aggregate detecting device for moisture content and method |
| CN112748130A (en) * | 2020-12-23 | 2021-05-04 | 中山艾尚智同信息科技有限公司 | Main structure of aggregate moisture content rapid determination sensor based on microwave method |
| CN112748131A (en) * | 2020-12-23 | 2021-05-04 | 中山艾尚智同信息科技有限公司 | Method for detecting aggregate moisture content based on microwave principle |
| CN112903722A (en) * | 2019-12-04 | 2021-06-04 | 中联重科股份有限公司 | Detection method and detection system for water content of sandstone aggregate and concrete production equipment |
| CN115950237A (en) * | 2022-11-09 | 2023-04-11 | 布勒(常州)机械有限公司 | Online moisture adjusting system and method for belt dryer |
| CN117405860A (en) * | 2023-12-14 | 2024-01-16 | 辽宁省路桥建设集团有限公司 | Sand and stone material water content detection device capable of extending into sand and stone |
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| CN2734816Y (en) * | 2004-08-02 | 2005-10-19 | 珠海市长陆工业自动控制系统有限公司 | Metering device for materials level in hot aggregate bin of bituminous concrete station |
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| CN206990473U (en) * | 2017-06-23 | 2018-02-09 | 福建南方路面机械有限公司 | Sand material moisture content online automatic detection instrument |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399984A (en) * | 2018-11-13 | 2019-03-01 | 中国铁建重工集团有限公司 | The control method and device of water content of sandstone |
| CN109732782A (en) * | 2019-03-06 | 2019-05-10 | 武汉理工大学 | A kind of concrete moisture content online monitoring system and monitoring method |
| CN110044977A (en) * | 2019-05-07 | 2019-07-23 | 中山市武汉理工大学先进工程技术研究院 | A kind of sandstone aggregate detecting device for moisture content and method |
| WO2020223998A1 (en) * | 2019-05-07 | 2020-11-12 | 中山市武汉理工大学先进工程技术研究院 | Device and method for detecting water content of sand and gravel aggregate |
| CN112903722A (en) * | 2019-12-04 | 2021-06-04 | 中联重科股份有限公司 | Detection method and detection system for water content of sandstone aggregate and concrete production equipment |
| CN112903722B (en) * | 2019-12-04 | 2022-11-01 | 中联重科股份有限公司 | Detection method and detection system for water content of sandstone aggregate and concrete production equipment |
| CN112748130A (en) * | 2020-12-23 | 2021-05-04 | 中山艾尚智同信息科技有限公司 | Main structure of aggregate moisture content rapid determination sensor based on microwave method |
| CN112748131A (en) * | 2020-12-23 | 2021-05-04 | 中山艾尚智同信息科技有限公司 | Method for detecting aggregate moisture content based on microwave principle |
| CN115950237A (en) * | 2022-11-09 | 2023-04-11 | 布勒(常州)机械有限公司 | Online moisture adjusting system and method for belt dryer |
| CN115950237B (en) * | 2022-11-09 | 2023-10-03 | 布勒(常州)机械有限公司 | Online moisture adjusting method of belt dryer |
| CN117405860A (en) * | 2023-12-14 | 2024-01-16 | 辽宁省路桥建设集团有限公司 | Sand and stone material water content detection device capable of extending into sand and stone |
| CN117405860B (en) * | 2023-12-14 | 2024-02-20 | 辽宁省路桥建设集团有限公司 | Sand and stone material water content detection device capable of extending into sand and stone |
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