CN207779358U - A kind of device of grain depot grain heap cubing - Google Patents
A kind of device of grain depot grain heap cubing Download PDFInfo
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- CN207779358U CN207779358U CN201721525597.7U CN201721525597U CN207779358U CN 207779358 U CN207779358 U CN 207779358U CN 201721525597 U CN201721525597 U CN 201721525597U CN 207779358 U CN207779358 U CN 207779358U
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Abstract
The utility model discloses a kind of devices of grain depot grain heap cubing, including ultrasonic ranging probe, ultrasonic control circuit, master board, grain depot and grain heap, S ultrasonic rangings probe is on the rear wall of grain depot, S+1 ultrasonic rangings probe is on the left wall of grain depot, S+2 ultrasonic rangings are popped one's head in ... and S+N ultrasonic rangings Probe arrangement is on the ceiling of grain depot, 18 ultrasonic ranging probes and the one-to-one connection of ultrasonic control circuit, ultrasonic control circuit are electrically connected with master board.The utility model obtains range information by ultrasonic ranging, then range information is converted into plane information, then volume information is calculated, realize the supervision to grain depot grain heap, solve defect of the intelligent grain system in terms of quantity monitoring so that the more generalization and intelligence of grain depot management system.The utility model is simple and efficient, the small and use flexibly that has the advantages that measurement error.
Description
Technical field
The utility model belongs to grain depot grain heap field of measuring technique, specially a kind of device of grain depot grain heap cubing.
Background technology
With instantly science and technology make rapid progress, more and more smart machines apply to our daily life and
In work, instead of the complicated and trifling work of the mankind.It is called according to country and " observes that run world silo, coordinated promotion well new
Building of the four modernizations ", automation equipment and smart machines more and more pour in silo construction, and national policy is made to implement to
Ground.
The construction of existing wisdom grain depot is primarily directed to going out Input System, ventilating system, nitrogen gas generating system, temperature control system etc.
Integrated management, the management of the volume of volume and grain to grain depot is simultaneously few.But the volume of grain can be gone out with concentrated expression
Many problems, for example grain is stolen leads to that volume is reduced, grain makes moist leads to volume expansion etc..In the prior art to the grain of grain depot
The device and method that heap volume measures mainly have following two:
1, a kind of device for measuring volume of grain pile in horizontal warehouse (Chinese patent application CN200920304913.7) comprising one-storey house
The grain heap 3 of storehouse 1 and grain heap 3, horizontal warehouse 1 is located at below storehouse, and grain heap upper surface is pressed in irregular distribution, ultrasonic range finder 2
Certain amount is evenly distributed on the upper surface of horizontal warehouse, and quantity is determined with the size of horizontal warehouse, every 2-4 square metres one, ultrasound
Wave rangefinder probe orientation is downward;Each ultrasonic range finder is electrically connected with a measuring device 4, is measured by measuring device 4
Go out the probe of ultrasonic range finder to the distance of their grain heap upper surfaces, ultrasonic range finder is electrically connected with measuring device again.
2, a kind of large-scale irregular Bulk Grain heap volume measuring method (Chinese patent application based on dynamic 3 D laser scanning
CN201210224186.X), first in 1 top center position of silo, guide rail 5 is arranged in the width direction;Guide rail is equipped with stepping
The sliding block 4 of motor control, 3 scanner of laser radar are mounted on sliding block 4;Sliding block is at the uniform velocity moved to another from one end at the top of silo
End, sliding block drive laser radar scanner complete the scanning on entire 2 surface of Bulk Grain heap;3 device of laser radar fills for one-dimensional scanning
It sets, realizes that line scans and returns to coordinate data;Main control computer 6 is used to emit pulse to stepper motor, handles signal;
Main control computer 6 obtains the point cloud data on Bulk Grain heap surface, measures permitted error amount to grain heap 2 according to user, determines and use
To calculate the distribution density of the scanned point of volume, grain density is provided according to client, calculates Bulk Grain heap weight.It passes through guide rail
Mobile 3 D laser scanning space pattern, generation are accompanied by coordinate point cloud chart battle array, surface fitting at irregular Bulk Grain heap pattern, into
And provide its volume.
But the measurement error of the device of above-mentioned 1st kind of measurement grain heap volume is bigger, the grain heap volume obtained is inaccurate,
The volume of grain heap can not be supervised well;Device is more multiple used by 2nd kind of measurement grain heap volume measuring method
Miscellaneous, volume calculation complexity causes monitoring cost higher, is unfavorable for promoting the use of.
Invention content
The purpose of this utility model is to provide a kind of devices of grain depot grain heap cubing, to solve prior art China Oil and Food Import and Export Corporation
Library grain heap volume monitoring is inaccurate, calculation complexity leads to the higher problem of monitoring cost.
In order to achieve the above object, the utility model is achieved by the following technical programs:A kind of grain depot grain heap volume survey
The device of amount, including 18 ultrasonic ranging probes, ultrasonic control circuit, master board, grain depot and grain heap, described 18 super
Sound ranging probe includes that S ultrasonic rangings probe, S+1 ultrasonic rangings probe ... and S+N ultrasonic rangings are visited
Head, wherein N is positive integer less than or equal to 17, is placed with grain heap in the grain depot, and the grain heap is by Rule section I and irregular
Part ii forms, and Rule section I is arranged in the bottom of irregular part ii, and the S ultrasonic rangings probe is mounted on grain
On the rear wall in library, the S+1 ultrasonic rangings probe on the left wall of grain depot, visit by the S+2 ultrasonic rangings
On the ceiling of grain depot, the ultrasonic control circuit is 18 for head ... and the S+17 ultrasonic rangings Probe arrangement
It is a, carry out table with+M V ultrasonic control circuit ,+1 ultrasonic control circuit ... of V and V ultrasonic control circuits
Show, wherein M is the positive integer less than or equal to 17, and 18 ultrasonic rangings probe is one-to-one with 18 ultrasonic control circuits
Connection, 18 ultrasonic control circuits are electrically connected with master board.
Wherein it is preferred to be respectively arranged with ultrasonic transmitter in 18 ultrasonic rangings probe and ultrasonic wave connects
Receive device.
Wherein it is preferred to 18 ultrasonic rangings probe be fixed on by precise rotating platform the Hou Qiang of grain depot, left wall and
On ceiling.
Wherein it is preferred to which the ultrasonic ranging probe can be surveyed by infrared distance sensor, laser range finder or radar
Distance meter is replaced.
Wherein it is preferred to be provided with ultrasonic probe driving circuit in the ultrasonic control circuit, ultrasonic wave returns to letter
Number processing circuit, embedded micro-processor and control telecommunication circuit, control ultrasonic ranging probe send out ultrasonic wave and receive ultrasound
Wave.
Wherein it is preferred to be provided with ultrasonic signal telecommunication circuit, microcontroller, power circuit in the master board
And telecommunication circuit, warning circuit, and warning circuit and the telecommunication circuit electricity in master board are additionally provided in the master board
Connection.
Compared with prior art, the utility model has the beneficial effects that:
(1) the utility model obtains range information by ultrasonic ranging means, obtains grain heap volume, and pass through alarm
Information exchange is carried out with extraneous with telecommunication circuit, to realize the supervision to grain depot grain heap, solves intelligent grain system in quantity
Defect in terms of monitoring.
(2) the utility model makes the more generalization and intelligence of grain depot management system, the utility model be simple and efficient, have
There is the advantages of measurement error is small, use flexibly.
(3) fusion that the utility model is popped one's head in by multiple ultrasonic rangings greatly reduces the measurement of grain heap volume
Error improves the accuracy rate of measurement, can preferably be supervised to the volume of grain heap.
(4) cost of the utility model is relatively low, is suitble to be widely used to promote.
Description of the drawings
Fig. 1 is a kind of device for measuring volume of grain pile in horizontal warehouse in the prior art;
Fig. 2 is a kind of large-scale irregular Bulk Grain heap cubing side based on dynamic 3 D laser scanning in the prior art
Method;
Fig. 3 is the system block diagram of the utility model entirety;
Fig. 4 is the master board block diagram inside the utility model;
Fig. 5 is utility model ultrasonic control circuit block diagram;
Fig. 6 is utility model grain depot and internal ultrasonic wave signal schematic representation;
Fig. 7 is 9 ultrasonic rangings probe fixed position distribution situation figures in the utility model.
In Fig. 3-7:S- ultrasonic probes;V- ultrasonic control circuits;K- master boards;1- ultrasonic signals communication electricity
Road;2- microcontrollers;3- power circuits;4- telecommunication circuits;5- ultrasonic probe driving circuits;The processing of 6- ultrasonic return signals
Circuit;7- embedded micro-processors;8- controls telecommunication circuit.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment 1:
Fig. 3-6 is please referred to, the utility model provides a kind of technical solution:A kind of device of grain depot grain heap cubing, packet
Include multiple ultrasonic ranging probes, ultrasonic control circuit, master board, grain depot and grain heap, multiple ultrasonic ranging probe packets
Including S ultrasonic rangings probe, S+1 ultrasonic rangings probe ... and S+N ultrasonic rangings probe, (N is ultrasound
Quantity away from probe, herein N take 17).Grain heap is placed in grain depot, grain heap is made of Rule section I and irregular part ii, and is advised
Then part I is arranged in the bottom of irregular part ii, and S ultrasonic rangings probe is on the rear wall of grain depot, S+1 ultrasounds
Wave range finding probe is mounted on the left wall of grain depot, S+2 ultrasonic rangings probe ... and S+17 ultrasonic rangings probe cloth
It sets on the ceiling of grain depot.The ultrasonic control circuit is 18, with+1 V ultrasonic control circuit, V ultrasound
Wave control circuit ... and V+M ultrasonic control circuits indicate that (M is the quantity of ultrasonic control circuit, and M takes herein
17).18 ultrasonic rangings probe and 18 one-to-one connections of ultrasonic control circuit, 18 ultrasonic waves control electricity
Lu Junyu master boards are electrically connected, and are popped one's head according to empty grain depot and dress according to 16 ultrasonic rangings being arranged on grain depot ceiling
Enter the comparison of the height size after grain, calculates the height of grain heap, and periodic monitoring can monitor grain heap height after grain accumulation
Degree variation.The ultrasonic ranging probe S is fixed on by precise rotating platform on the Hou Qiang, left wall and ceiling of grain depot, Ke Yigen
Accuracy of detection is adjusted according to the angle for rotating ultrasonic ranging probe X is needed.The ultrasonic probe S and ultrasonic control circuit Y
One-to-one connection is provided with ultrasonic ranging probe driving circuit 5, ultrasonic return signal in the ultrasonic control circuit V
Processing circuit 6, embedded micro-processor 7 and control telecommunication circuit 8, ultrasonic ranging probe driving circuit 5 are interior by intermediate-frequency transformer
It is formed with transformer control circuit, transformer control circuit is mainly made of high speed MOS and switching signal, and switching signal comes from
Embedded micro-processor 7,6 part of sound wave return signal processing circuit mainly include signal coupling circuit, signal amplification circuit and
Signal comparator circuit, control telecommunication circuit 8 mainly conveys control information with master board K communications reception control commands, described super
Sound wave controlled circuit V is electrically connected with master board K.Ultrasonic signal telecommunication circuit 1, micro- is provided in the master board K
Controller 2, power circuit 3 and telecommunication circuit 4 are additionally provided with alarm in the master board K, are communicated by ultrasonic signal
Circuit 1 is communicated with ultrasonic control circuit V, is ultrasonic probe S, ultrasonic control circuit V and main control by power circuit 3
Plate K power supplies, telecommunication circuit 4 carry out information exchange with management system.
Write-in program in microcontroller 2, the program can extrapolate grain depot grain heap cubing according to ultrasonic ranging principle
Method, the program include the following steps:
Step 1:According to S ultrasonic rangings probe and S+1 ultrasonic rangings probe respectively measure grain depot length and
Width, and then calculate the floor space of grain depot;
Step 2:The cubing of the Rule section I of grain heap:It is surveyed according to 16 ultrasonic ranging probes on grain depot ceiling
Amount grain heap minimum constructive height is multiplied by floor space, the as volume of the Rule section I of grain heap;
Step 3:The cubing of the irregular part I I of grain heap:The S+2 ultrasound on the grain depot ceiling
Wave range finding probe to the S+17 ultrasonic ranging is popped one's head in, wherein the S+2 ultrasonic ranging is popped one's head in the S+10 ultrasonic wave
The range finding probe relative position that totally 9 ultrasonic rangings are popped one's head in is fixed, this 9 ultrasonic rangings probe A points, B points, C
Point, D points, E points, F points, G points, H points and I points, the A points, B points, C points, D points, F points, G points, H points and I points are combined with E points respectively
Formed eight line segment this nine points combined respectively with E points formed eight line segments (A, E), (B, E), (C, E), (D, E), (F, E),
(I, E), (H, E), (G, E) and (G, E), if using E as origin, the straight line in the directions EF is X-axis, and the straight line in the directions EB is Y-axis,
Three-dimensional coordinate system is built as Z axis by the straight line of E points and vertical XY coordinate systems, then (A, E), (I, E) are in the directions AE and Z axis
In the plane of formation;(B, E), (H, E) are in the plane that Y-axis and Z axis are formed;(C, E), (G, E) are formed in the directions CE and Z axis
In plane;(D, E), (F, E) are in the plane that X-axis and Z axis are formed, and in each plane, are fixed point with E, can obtain eight y
=ax2Function, A, B, C, D, F, I, G, K coordinate are then brought into respective function, obtain eight a, is a1~a8 respectively;So
After be averaged as grain heap volume curve coefficient A;
Known grain heap meets quadratic function curve y=Ax in plane coordinate system2, then grain heap volume calculates
V=∫ π ((1/A) * z) dz=π/A ∫ zdz=π/(2A) z2
Z-axis represents grain heap second part volume height, is popped one's head in from ultrasonic ranging;
Step 4:Step 2 is added with the volume of the Rule section I in step 3 with the volume of irregular part II to get
The total volume of grain heap.
Ultrasonic ranging probe in the utility model can in real time measure grain bulk height and bottom surface accumulated amount, must put out cereal
The volume of heap, if the volume of grain heap has freeed variation, after 2 analyzing processing of microcontroller, the alarm through being connect with master control borad K
Onsite alarming is carried out, reminds personnel on the scene to pay attention to enhancing your vigilance, while being interacted by telecommunication circuit 4 and management system, and
Shi Tongzhi operator on duty's grain depots are abnormal, and ask timely processing.
The utility model obtains range information by ultrasonic ranging means, is then converted to plane letter by programmed algorithm
Breath then becomes volume information, and carries out information exchange with extraneous by alarm and telecommunication circuit, to realize to grain depot grain heap
Supervision, solve blank of the intelligent grain system in terms of quantity monitoring, while making the more generalization of grain depot management system
And intelligence, the advantages of the utility model is simple and efficient, has measurement error small, use flexibly.
Embodiment 2:
On the basis of embodiment 1, ultrasonic ranging probe can by infrared distance sensor, laser range finder or
Radar range finder is replaced, and the program that microcontroller 2 is written is accordingly based upon surveys such as infrared distance measurement, laser ranging, radar range findings
Away from method institute, the volume of grain depot grain heap can be obtained, the device of the grain depot grain heap cubing is with all phases of the principle in embodiment 1
Together, it does not repeat one by one at this.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (6)
1. a kind of device of grain depot grain heap cubing, including 18 ultrasonic ranging probes, ultrasonic control circuit, main controls
Plate, grain depot and grain heap, it is characterised in that:18 ultrasonic rangings probe includes that S ultrasonic rangings are popped one's head in, S+1 surpasses
Sound ranging is popped one's head in ... and S+N ultrasonic rangings probe, wherein N is the positive integer less than or equal to 17, is put in the grain depot
There are grain heap, the grain heap to be made of Rule section I and irregular part ii, and Rule section I is arranged in irregular part ii
Bottom, for the S ultrasonic rangings probe on the rear wall of grain depot, the S+1 ultrasonic rangings probe is mounted on grain
On the left wall in library, the S+2 ultrasonic rangings probe ... and the S+N ultrasonic rangings Probe arrangement are in the day of grain depot
On card, the ultrasonic control circuit is 18, with+1 V ultrasonic control circuit, V ultrasonic wave control electricity
Road ... and V+M ultrasonic control circuits indicate that wherein M is the positive integer less than or equal to 17,18 ultrasonic waves
Range finding probe and 18 one-to-one connections of ultrasonic control circuit, 18 ultrasonic control circuits are electrically connected with master board
It connects;
Be provided in the ultrasonic control circuit V ultrasonic ranging probe driving circuit, ultrasonic return signal processing circuit,
Embedded micro-processor and control telecommunication circuit, ultrasonic ranging is popped one's head in, and driving circuit is interior to control electricity by intermediate-frequency transformer and transformer
Road forms, and transformer control circuit is mainly made of high speed MOS and switching signal, and switching signal comes from embedded micro-processor,
Sound wave return signal processing circuit, the part include mainly signal coupling circuit, signal amplification circuit and signal comparator circuit, control
Telecommunication circuit processed mainly with master board K communications reception control commands convey control information, the ultrasonic control circuit V with
Master board K electrical connections.
2. a kind of device of grain depot grain heap cubing according to claim 1, which is characterized in that 18 ultrasonic waves
Ultrasonic transmitter and ultrasonic receiver are respectively arranged in range finding probe.
3. a kind of device of grain depot grain heap cubing according to claim 1, which is characterized in that 18 ultrasonic waves
Range finding probe is fixed on by precise rotating platform on the Hou Qiang, left wall and ceiling of grain depot.
4. a kind of device of grain depot grain heap cubing according to claim 3, which is characterized in that the ultrasonic ranging
Probe can be replaced by infrared distance sensor, laser range finder or radar range finder.
5. a kind of device of grain depot grain heap cubing according to claim 1, which is characterized in that the ultrasonic wave control
Ultrasonic probe driving circuit, ultrasonic return signal processing circuit, embedded micro-processor and control communication are provided in circuit
Circuit, control ultrasonic ranging probe send out ultrasonic wave and receive ultrasonic wave.
6. a kind of device of grain depot grain heap cubing according to claim 1, which is characterized in that in the master board
It is provided with ultrasonic signal telecommunication circuit, microcontroller, power circuit and telecommunication circuit, report is additionally provided in the master board
Alert circuit, and warning circuit is electrically connected with the telecommunication circuit in master board.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721525597.7U CN207779358U (en) | 2017-11-15 | 2017-11-15 | A kind of device of grain depot grain heap cubing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721525597.7U CN207779358U (en) | 2017-11-15 | 2017-11-15 | A kind of device of grain depot grain heap cubing |
Publications (1)
Publication Number | Publication Date |
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CN207779358U true CN207779358U (en) | 2018-08-28 |
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ID=63233186
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CN201721525597.7U Expired - Fee Related CN207779358U (en) | 2017-11-15 | 2017-11-15 | A kind of device of grain depot grain heap cubing |
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2017
- 2017-11-15 CN CN201721525597.7U patent/CN207779358U/en not_active Expired - Fee Related
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Granted publication date: 20180828 |