CN110282386A - Belt conveyor bulk material detection device and its control method - Google Patents
Belt conveyor bulk material detection device and its control method Download PDFInfo
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- CN110282386A CN110282386A CN201910639706.5A CN201910639706A CN110282386A CN 110282386 A CN110282386 A CN 110282386A CN 201910639706 A CN201910639706 A CN 201910639706A CN 110282386 A CN110282386 A CN 110282386A
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- 238000001514 detection method Methods 0.000 title claims abstract description 128
- 239000013590 bulk material Substances 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 197
- 230000007246 mechanism Effects 0.000 claims abstract description 107
- 238000006073 displacement reaction Methods 0.000 claims description 61
- 238000012360 testing method Methods 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 208000033748 Device issues Diseases 0.000 abstract description 3
- 239000011230 binding agent Substances 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000005303 weighing Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011897 real-time detection Methods 0.000 description 2
- 244000062793 Sorghum vulgare Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 235000019713 millet Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
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Abstract
The present invention discloses a kind of belt conveyor bulk material detection device and its control method, wherein, belt conveyor bulk material detection device includes base, belt type conveying mechanism, detection sensor and controller, and detection sensor is set to base and is located at the top of belt type conveying mechanism.In technical solution provided by the invention, belt conveyor bulk material detection device is non-cpntact measurement, therefore has many advantages, such as that the service life is long, maintenance is low, mounting and adjusting is convenient；The real-time parameters such as volume, the weight of material can be provided, to produce the foundations such as the transhipment, the control that provide material；When mass flow is more than preset flow, alarm signal can be issued in time, and shutdown processing avoids that the accidents such as binder, rewinding, damage belt conveyor occur；Using the principle and device of high reliability, avoiding device issues the possibility of wrong report.
Description
Technical field
The present invention relates to test technique automatic field, in particular to a kind of belt conveyor bulk material detection device and
Its control method.
Background technique
Belt conveyor has many advantages, such as that conveying capacity is big, structure is simple, easy to maintenance, part standard, is widely used in mine
Mountain, metallurgy, building materials, chemical industry, the industries such as electric power are important bulk material conveying and handling facilities.Belt conveyor is a kind of
The driving roll friction of driving device drives conveyer belt, in a continuous manner the machinery of transported material.Mainly by driving device, machine
The composition such as frame, carrying roller, conveyer belt, roller, tensioning apparatus.It can be by material on certain pipeline, from initial feed
Point is to the conveying process for forming a kind of material between final emptying point, and it is remote that progress can be mutually linked with a plurality of belt conveyor
Distance, curved path and big height difference transport material.
In belt conveyor normal operation, production system needs to obtain the stream for the bulk material that belt conveyor is transported
Amount, volume, weight, material head and expect tail position, whether parameters and the information such as excess.Because belt conveyor conveying is all scattered
Shape solid material, stream section is irregular, constantly changes and keeps moving, therefore the detection of above-mentioned parameter compares and is difficult to realize.
There is no the detection devices that can complete the demand for the prior art, and only following only has single material head measurement of power
Can, the stream detection switch of switching value can only be exported.And these detection devices, because backward in technique, there is many defects.It leads
It causes belt conveyor to be in the inefficient, operating status without monitoring, increases operating cost, cannot be shut down in time when accident occurs
And lead to fault spread.Stream detection switch mainly has the touch panel type or chain hammer type stream switch, peace of installation above conveyer belt
Three kinds of the press-contacting type stream switch below conveyer belt.But that there are sensitivitys is not high for this three kinds of streams switch, rate of false alarm is high, only
The presence or absence of material can be detected, the disadvantages of safety is not high, easy to damage and service life is short
In addition there are also a kind of weight for exactly detecting stream with weighing belt, reach functionization is exactly independent belt
Scale, but this kind of belt weigher system is extremely complex, expensive, occupied space is very big, unless it is desired to otherwise ordinary belt conveys
Machine not will be installed independent weighing belt；There are also a kind of weighing belt being just integrated on conventional belt conveyer, this kind of weighing belts
Price is high, precision is extremely low, unstable, numerical value influenced by belt tension it is very big, so almost without application.
Another is exactly the stream detected on conveyer belt with controlled nucleon operated belt conveyor scale, which installs very simple, still
It is expensive, and thereon penetrate source control and protect it is very troublesome.
Summary of the invention
The main object of the present invention is to propose a kind of belt conveyor bulk material detection device and its control method, it is intended to
Designing a kind of has the advantages that long-life, less trouble and highly-safe belt conveyor bulk material detection device.
To achieve the above object, the present invention provides a kind of belt conveyor bulk material detection devices, comprising:
Base；
Belt type conveying mechanism is set to the base, and the belt type conveying mechanism is to convey material；
Detection sensor, set on the base and positioned at the top of the belt type conveying mechanism, the detection sensor is used
By by detecting conveyer belt and material on the belt type conveying mechanism in a manner of non-contacting height or cross section upper surface take turns
It is wide；And
Controller is electrically connected the detection sensor, to the testing result according to the detection sensor, calculates object
The depth of transverse section value or cross sectional area value of material, and be more than preset value in the depth of transverse section value of material or cross sectional area value
When, export standby signal.
Optionally, the detection sensor is displacement detecting sensor, and the displacement detecting sensor is set to described downward
The top of belt type conveying mechanism, and be equipped at intervals with along the width direction of the belt type conveying mechanism it is multiple, to by described more
A displacement detecting sensor detects the cross section upper surface profile of conveyer belt and material on the belt type conveying mechanism, the control
Device processed calculates the cross sectional area value of material to the testing result according to the multiple displacement detecting sensor, and in material
Cross sectional area value be more than preset area value when, export standby signal；And/or
The detection sensor is laser displacement sensor or ultrasonic displacement sensor or radar shift sensor.
Optionally, the detection sensor is displacement detecting sensor, and the displacement detecting sensor is set to described downward
The top of belt type conveying mechanism, to detect the height of conveyer belt and material on the belt type conveying mechanism, the controller
To the testing result according to the displacement detecting sensor, the depth of transverse section value of material is calculated, and in the cross section of material
When height value is more than preset height value, standby signal is exported；Alternatively,
The detection sensor is displacement detecting sensor, and the displacement detecting sensor is set to the belt type conveying mechanism
The top of side in the direction of the width, the displacement detecting sensor from side to detect on the belt type conveying mechanism
The height of conveyer belt and material, the controller calculate material to the testing result according to the displacement detecting sensor
Depth of transverse section value, and when the depth of transverse section value of material is more than preset height value, export standby signal；Alternatively,
The detection sensor is profile scanning sensor, and the profile scanning sensor is set to the belt conveying downward
The top of mechanism, to detect the cross section upper surface profile of conveyer belt and material on the belt type conveying mechanism, the control
Device processed calculates the cross sectional area value of material to the testing result according to the profile scanning sensor, and in the cross of material
When cross-sectional area value is more than preset area value, standby signal is exported.
Optionally, the base is equipped with upright bar, and the upright bar is located at the belt type conveying mechanism in the direction of the width
Side, the detection sensor are set to the upper end of the upright bar by mounting base；
Wherein, the mounting base is that can rotate to adjust along the upright bar axis to be adjustably mounted to described stand with up and down
The upper end of bar.
Optionally, the detection sensor is set to the top of the belt type conveying mechanism, and the base further includes along level
The crossbeam of extension, one end of the crossbeam connect the mounting base, and the detection sensor is set to the other end of the crossbeam；Or
Person,
The detection sensor is set to the top of the side of the belt type conveying mechanism, and the base further includes set on described
The brace of mounting base, for the brace in being obliquely installed downward and towards the belt type conveying mechanism, the detection sensor is set to institute
State brace.
The present invention also provides a kind of control methods of belt conveyor bulk material detection device, comprising:
Height or the cross section upper surface of the conveyer belt and material on belt type conveying mechanism are detected by non-contacting mode
Profile；
According to testing result, the depth of transverse section value or cross sectional area value of material are calculated, and in the cross section of material height
When angle value or cross sectional area value are more than preset value, standby signal is exported.
Optionally, it is described according to testing result, calculate the depth of transverse section value or cross sectional area value of material, and in material
Depth of transverse section value or cross sectional area value be more than preset value when, output standby signal include:
The depth of transverse section value or cross sectional area value of outputting material.
Optionally, when the detection sensor is displacement detecting sensor, and along the width side of the belt type conveying mechanism
To when being equipped at intervals with multiple；It is described to pass through non-contacting mode or when the detection sensor is profile scanning sensor
Conveyer belt and the height or cross section upper surface profile of material on detection belt type conveying mechanism include:
In the belt type conveying mechanism zero load, the cross section upper surface profile of conveyer belt is detected；
In belt type conveying mechanism strip operation, the cross section upper surface profile of material is detected；
Wherein, it is described according to testing result, calculate the depth of transverse section value or cross sectional area value of material, and in material
When depth of transverse section value or cross sectional area value are more than preset value, output standby signal includes:
According to the cross section upper surface profile of the cross section upper surface profile of the conveyer belt and the material, material is calculated
Cross sectional area value；
When the cross sectional area value of material is more than preset area value, standby signal is exported.
Optionally, in the cross section upper surface of the cross section upper surface profile according to the conveyer belt and the material
Profile, after the step of calculating the cross sectional area value of material, the control method further include:
According to the cross sectional area value of the conveying speed of the belt type conveying mechanism and material, obtain material volume and/
Or weight.
Optionally, described that band is detected by non-contacting mode when the detection sensor is displacement detecting sensor
The height or cross section upper surface profile of conveyer belt and material on formula conveying mechanism include:
In the belt type conveying mechanism zero load, the height of conveyer belt is detected；
In belt type conveying mechanism strip operation, the height of material is detected；
Wherein, it is described according to testing result, calculate the depth of transverse section value or cross sectional area value of material, and in material
When depth of transverse section value or cross sectional area value are more than preset value, output standby signal includes:
According to the height of the height of the conveyer belt and the material, the depth of transverse section value of material is calculated；
When the depth of transverse section value of material is more than preset height value, standby signal is exported.
In technical solution provided by the invention, sensed by the way that the detection is arranged in the top of the belt type conveying mechanism
Device carries out on line non contact measurement to the bulk material of the belt type conveying mechanism, obtains the cross section of bulk material stream
The parameters such as height value or cross sectional area value can calculate the parameters such as flow, weight, volume according to obtained parameter, can also incite somebody to action
To parameter compared with preset value, obtain that material head material tail, whether there is or not the alarms, standby signal such as, excess, by these data and signal
For controlling production run.Because the belt conveyor bulk material detection device is non-cpntact measurement, therefore has the service life long
(3 years or more), the advantages that maintenance is low, mounting and adjusting facilitates；The belt conveyor bulk material detection device can provide
The real-time parameters such as volume, the weight of material, to produce the foundations such as the transhipment, the control that provide material；The belt conveyor bulk
Material detection device can issue alarm signal when mass flow is more than preset flow in time, and shutdown processing avoids pressing
The accidents such as material, rewinding, damage belt conveyor；The belt conveyor bulk material detection device uses the principle of high reliability
And device, avoiding device issue the possibility of wrong report.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the first embodiment of belt conveyor bulk material detection device provided by the invention；
Fig. 2 is the schematic illustration of the cross sectional area value of the displacement detecting sensor detection material in Fig. 1；
Fig. 3 is the structural schematic diagram of the second embodiment of belt conveyor bulk material detection device provided by the invention；
Fig. 4 is the schematic illustration of the cross sectional area value of the profile scanning sensor detection material in Fig. 3；
Fig. 5 is the structural schematic diagram of the 3rd embodiment of belt conveyor bulk material detection device provided by the invention；
Fig. 6 is the structural schematic diagram of the fourth embodiment of belt conveyor bulk material detection device provided by the invention；
Fig. 7 is the stream of the first embodiment of the control method of belt conveyor bulk material detection device provided by the invention
Journey schematic diagram.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.In addition, the meaning of the "and/or" occurred in full text, including three schemes arranged side by side, by taking " A and/or B " as an example, including the side A
The scheme that case or B scheme or A and B meet simultaneously.In addition, the technical solution between each embodiment can be combined with each other, but
To be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occur it is conflicting or can not
Will be understood that the combination of this technical solution is not present when realization, also not the present invention claims protection scope within.
The present invention provides a kind of belt conveyor bulk material detection device, and Fig. 1 and Fig. 2 are that belt provided by the invention is defeated
Send the first embodiment of machine bulk material detection device.
Specifically, Fig. 1 and Fig. 2 are please referred to, in the first embodiment, the belt conveyor bulk material detection device
100 include base 1, belt type conveying mechanism 2, detection sensor 3 and controller 4 (seeing Fig. 3, Fig. 5 or Fig. 6), the band
Formula conveying mechanism 2 is set to the base 1, and the belt type conveying mechanism 2 is set to convey material 200, the detection sensor 3
The base 1 and the top for being located at the belt type conveying mechanism 2, the detection sensor 3 by non-contacting mode to be examined
Survey the height or cross section upper surface profile of the conveyer belt and material 200 on the belt type conveying mechanism 2.The controller 4
It is electrically connected the detection sensor 3, to the testing result according to the detection sensor 3, the cross section for calculating material is high
Angle value or cross sectional area value, and when the depth of transverse section value of material or cross sectional area value are more than preset value, output prompt
Signal.
In technical solution provided by the invention, sensed by the way that the detection is arranged in the top of the belt type conveying mechanism 2
Device 3 carries out on line non contact measurement to the bulk material 200 of the belt type conveying mechanism 2, obtains the cross of bulk material stream
The parameters such as profile height value or cross sectional area value can calculate the parameters such as flow, weight, volume according to obtained parameter, can also
By obtained parameter compared with preset value, obtain material head material tail, whether there is or not alarms, standby signal such as, excess, by these data and
Signal is for controlling production run.Because the belt conveyor bulk material detection device 100 is non-cpntact measurement, therefore is had
The advantages that service life grows (3 years or more), maintenance is low, mounting and adjusting facilitates；The belt conveyor bulk material detection device 100
The real-time parameters such as volume, the weight of material can be provided, to produce the foundations such as the transhipment, the control that provide material；The belt is defeated
It send machine bulk material detection device 100 when mass flow is more than preset flow, alarm signal, dock can be issued in time
Reason avoids that the accidents such as binder, rewinding, damage belt conveyor occur；The belt conveyor bulk material detection device 100 is adopted
With the principle and device of high reliability, avoiding device issues the possibility of wrong report.
Specified otherwise is needed herein, the specific structure of the belt type conveying mechanism 2 is set as the prior art, therefore at this
Application is not described in detail.In the first embodiment, the base 1 includes rack (being not shown), the belt conveying
Mechanism 2 is set in the rack.
By the detection sensor 3 using non-contacting mode detect conveyer belt on the belt type conveying mechanism 2 and
The height or cross section upper surface profile of material 200, to calculate the depth of transverse section value or cross sectional area value of material, specifically
Ground is in the first embodiment the cross section upper surface profile that conveyer belt and material are detected by the detection sensor 3.And
The cross section upper surface profile of conveyer belt and material, the setting of the detection sensor 3 are detected by the detection sensor 3
Mode has kind, for example, please referring to Fig. 1 and Fig. 2, in the first embodiment, the detection sensor 3 is displacement detecting sensor 3a
(the displacement detecting sensor 3a is laser displacement sensor or ultrasonic displacement sensor or radar shift sensor
Deng), the displacement detecting sensor 3a is set to the top of the belt type conveying mechanism 2 downward, and along the belt type conveying mechanism 2
Width direction be equipped at intervals with it is multiple, to detect the belt type conveying mechanism 2 by the multiple displacement detecting sensor 3a
On conveyer belt and material cross section upper surface profile, the controller 4 is to according to the multiple displacement detecting sensor
The testing result of 3a calculates the cross sectional area value of material, and when the cross sectional area value of material is more than preset area value, defeated
Standby signal out.The cross sectional area value of material is obtained by the multiple displacement detecting sensor 3a detection, using as dress
The foundation of control is set, such rate of false alarm is lower.
Principle for obtaining the cross sectional area value of material by the multiple displacement detecting sensor 3a can please refer to
Fig. 2: the first step, when the belt type conveying mechanism 2 is unloaded, the multiple displacement detecting sensor 3a is detected, and obtains one
A series of this described conveyor belt surface point are fitted to conveyer belt by the conveyor belt surface point of the series belt type conveying mechanism 2
Cross section upper surface profile S1；Second step, in 2 strip of belt type conveying mechanism operation, the multiple displacement detecting sensing
Device 3a is detected, and a series of material table millet cake are obtained, this described serial material surface point is fitted to the cross section of material
Upper surface profile S2；Third step closes conveyer belt cross section upper surface profile and material cross section upper surface profile
At, obtain a closed profile, this closed profile is the real-time section of material on belt conveyor, calculate object
The cross sectional area value S of material.
After obtaining the cross sectional area value S of material, the cross sectional area value of 4 outputting material of controller can be passed through
S；The cross sectional area value S and preset area value S0 (preset area value S0 can be preset with multiple) that material can also be compared, as S >
When S0, the controller 4 export standby signal (while output standby signal, can outputting material together cross sectional area value
S)；The cross sectional area value S that can also be Continuous plus material, it is defeated further according to the cross sectional area value S and the belt of material
The conveying speed V of mechanism is sent, calculates the volume of a period of time conveyed material, it is of course possible to further by the volume and material
Bulk density is multiplied, and obtains the weight of this time conveyed material, passes through the number of the 4 outputting material volume or weight of controller
According to.
The multiple displacement detecting sensor 3a is set to the base 1, and is located at the top of the belt type conveying mechanism 2,
Specifically, referring to Fig. 1, in the first embodiment, set that there are two column 11 and mounting rods 12 on the base 1, it is described two
Column 11 vertically extends, and is divided into the two sides of the belt type conveying mechanism 2 in the direction of the width, and the mounting rod 12 is along institute
The width direction for stating belt type conveying mechanism 2 extends, and the mounting rod 12 is located at the top of the belt type conveying mechanism 2, and sets up
In the upper end of described two columns 11, the multiple displacement detecting sensor 3a is set to the mounting rod 12, the multiple in this way
The mounting structure of displacement detecting sensor 3a is relatively simple.
The cross section upper surface profile of conveyer belt and material, the detection sensing are detected by the detection sensor 3
The set-up mode of device 3 can also please refer to Fig. 3 and Fig. 4, in belt conveyor bulk material detection device provided by the invention
In second embodiment, the detection sensor 3 is that (the profile scanning sensor 3b can be laser to profile scanning sensor 3b
Two-dimensional silhouette scanning sensor), the profile scanning sensor 3b is set to the top of the belt type conveying mechanism 2 downward, to
The cross section upper surface profile of 2 conveyer belt and material on the belt type conveying mechanism is detected, the controller 4 is to according to institute
The testing result for stating profile scanning sensor 3b calculates the cross sectional area value of material, and super in the cross sectional area value of material
When crossing preset area value, standby signal is exported.The cross section face of material is obtained by profile scanning sensor 3b detection
Product value, to control the work of the belt conveyor bulk material detection device 100, such rate of false alarm is relatively low.
Principle for obtaining the cross sectional area value of material by the profile scanning sensor 3b can please refer to Fig. 4:
The first step, when the belt type conveying mechanism 2 is unloaded, the profile scanning sensor 3b is detected, and the cross of conveyer belt is obtained
Section upper surface profile S1；Second step, 2 strip of belt type conveying mechanism operation when, the profile scanning sensor 3b into
Row detection, obtains the cross section upper surface profile S2 of material；Third step, by the cross section upper surface profile of the conveyer belt and institute
The cross section upper surface contour composite for stating material, obtains a closed profile, this described closed profile is that belt is defeated
The real-time section for sending material on machine calculates the cross sectional area value S of material.
After obtaining the cross sectional area value S of material, the cross sectional area value of 4 outputting material of controller can be passed through
S；The cross sectional area value S and preset area value S0 (preset area value S0 can be preset with multiple) that material can also be compared, as S >
When S0, the controller 4 export standby signal (while output standby signal, can outputting material together cross sectional area value
S)；The cross sectional area value S that can also be Continuous plus material, it is defeated further according to the cross sectional area value S and the belt of material
The conveying speed V of mechanism is sent, calculates the volume of a period of time conveyed material, it is of course possible to further by the volume and material
Bulk density is multiplied, and obtains the weight of this time conveyed material, passes through the number of the 4 outputting material volume or weight of controller
According to.
As described above, the conveyer belt and object on the belt type conveying mechanism 2 can be detected by the detection sensor 3
The height of material 200, to calculate the depth of transverse section value of material, specifically, referring to Fig. 5, in belt conveying provided by the invention
In the 3rd embodiment of machine bulk material detection device, the detection sensor 3 is displacement detecting sensor 3a, the displacement inspection
It surveys sensor 3a and is set to the top of the belt type conveying mechanism 2 downward (referring to Fig. 5, being usually to sense the displacement detecting
The medium position of device 3a and the belt type conveying mechanism 2 is opposite), to detect on the belt type conveying mechanism 2 conveyer belt and
The height of material 200, the controller 4 calculate the cross of material to the testing result according to the displacement detecting sensor 3a
Profile height value, and when the depth of transverse section value of material is more than preset height value, export standby signal.Pass through the single inspection
Survey that sensor 3 can detect the depth of transverse section value of material and whether there is or not and because of the single detection sensor 3 of only setting, therefore cost
It is relatively low.
The principle for obtaining the depth of transverse section value of material by the detection sensor 3 is as follows: the first step, in the belt
When conveying mechanism 2 is unloaded, the displacement detecting sensor 3a is detected, and 2 surface point of belt type conveying mechanism is obtained
To the distance of the displacement detecting sensor 3a, i.e. the height H1 of conveyer belt；Second step, in 2 strip of belt type conveying mechanism
When operation, the displacement detecting sensor 3a is detected, obtain a charge level to the displacement detecting sensor 3a distance,
That is the height H2 of material；Third step, according to the height of the height of the conveyer belt and the material, the cross section for obtaining material is high
Angle value H.
After obtaining the height value H of material, the depth of transverse section value H of 4 outputting material of controller can be passed through；It can also
To compare the depth of transverse section value value H and preset height value H0 (preset area value H0 can be preset with multiple) of material, as H > H0
When, the controller 4 export standby signal (while output standby signal, can outputting material together height value H).
The depth of transverse section value of material is obtained by the detection sensor 3,3 set-up mode of detection sensor may be used also
Referring to Fig. 6, the detection passes in the fourth embodiment of belt conveyor bulk material detection device provided by the invention
Sensor 3 is displacement detecting sensor 3a, and the displacement detecting sensor 3a is set to the belt type conveying mechanism 2 in the direction of the width
Side top, the displacement detecting sensor 3a to detected from side the conveyer belt on the belt type conveying mechanism 2 and
The height of material, the controller 4 is to according to the testing result for moving detection sensor 3a, the cross section for calculating material is high
Angle value, and when the depth of transverse section value of material is more than preset height value, export standby signal.By the displacement detecting sensor
3a is set to the side of the belt type conveying mechanism 2, in this way when overhauling the displacement detecting sensor 3a, can avoid
Existing service personnel need to stand on the conveyer belt of the belt type conveying mechanism 2 the case where operation.
The detection sensor 3 is overhauled for convenience, please refers to Fig. 3, Fig. 5 and Fig. 6, in the present embodiment, institute
Base 1 is stated equipped with upright bar 13, the upright bar 13 is located at the side of the belt type conveying mechanism 2 in the direction of the width, the inspection
Survey the upper end that sensor 3 is set to the upright bar 13 by mounting base 14；Wherein, the mounting base 14 be can be along 13 axis of upright bar
Line rotation adjusts and the up and down upper end for being adjustably mounted to the upright bar 13.Because the mounting base 14 is rotatably and upper and lower
Activity adjustment, not only can detection sensor 3 described in up and down adjustment according to the actual situation installation site, and can will when overhauling
The detection sensor 3, which turns to after 2 motion range of belt type conveying mechanism, the operations such as is safeguarded again, is overhauled, and in this way may be used
It avoids service personnel that from need to standing on the conveyer belt of the belt type conveying mechanism 2 the phenomenon that operation, has and eliminate field service personnel
Security risk the advantages that.
The detection sensor 3 is installed on the upright bar 13 by the mounting base 14 and specifically please refers to Fig. 3 and figure
5, the detection sensor 3 is set to the top of the belt type conveying mechanism 2, and the base 1 further includes along horizontal-extending crossbeam
15, one end of the crossbeam 15 connects the mounting base 14, and the detection sensor 3 is set to the other end (institute of the crossbeam 15
Stating crossbeam 15 can also be arranged in telescopic rod, to adjust the installation site of the detection sensor 3 in horizontal direction).Please refer to figure
6, the detection sensor 3 is set to the top of the side of the belt type conveying mechanism 2, and the base 1 further includes being set to the peace
The brace 16 of seat 14 is filled, the brace 16 is in be obliquely installed downward and towards the belt type conveying mechanism 2, the detection sensor 3
Set on the brace 16.The mounting structure of the detection sensor 3 described in this way is by a relatively simple.
The present invention provides a kind of control method of belt conveyor bulk material detection device, and Fig. 7 is provided by the invention
The first embodiment of the control method of belt conveyor bulk material detection device.
Specifically, referring to Fig. 7, in the first embodiment, the control of the belt conveyor bulk material detection device
Method includes:
Step S10 detects the height or cross-section of the conveyer belt and material on belt type conveying mechanism by non-contacting mode
Face upper surface profile.
It can be by detection sensors such as displacement detecting sensor or profile scanning sensors come real-time detection belt conveyor
The height or cross section upper surface profile of conveyer belt and material on structure.
Step S20 calculates the depth of transverse section value or cross sectional area value of material, and in material according to testing result
When depth of transverse section value or cross sectional area value are more than preset value, standby signal is exported.
According to the real-time detection testing result to material, the depth of transverse section value or cross sectional area of real-time material are calculated
Value, can also pass through the depth of transverse section value or cross sectional area value of controller material.
It is preparatory that preset value can be relevant parameter of material of performance parameter, conveying for comprehensively considering belt type conveying mechanism etc.
One or more empirical values of setting.When the depth of transverse section value or cross sectional area value of material are more than preset value, controller
It can be while exporting the depth of transverse section value or cross sectional area value of standby signal and material.
In the cross sectional area value for needing to obtain material, the detection sensor can be displacement detecting sensor, and edge
The width direction of the belt type conveying mechanism is equipped at intervals with multiple (please referring to Fig. 2)；Or the detection sensor can be also wheel
Wide scanning sensor (please referring to Fig. 4).Specifically, the step S10 includes:
In the belt type conveying mechanism zero load, the cross section upper surface profile of conveyer belt is detected；
In belt type conveying mechanism strip operation, the cross section upper surface profile of material is detected；
Wherein, the step S20 includes:
According to the cross section upper surface profile of the cross section upper surface profile of the conveyer belt and the material, material is calculated
Cross sectional area value；
When the cross sectional area value of material is more than preset area value, standby signal is exported.
Further, in the cross section upper surface of the cross section upper surface profile according to the conveyer belt and the material
Profile, after the step of calculating the cross sectional area value of material, the control method further include:
According to the cross sectional area value of the conveying speed of the belt type conveying mechanism and material, obtain material volume and/
Or weight.
The cross sectional area value S of Continuous plus material, further according to the cross sectional area value S and the belt conveyor of material
The conveying speed V of structure calculates the volume of a period of time conveyed material, it is of course possible to further by the volume and material heap ratio
Heavy phase multiplies, and obtains the weight of this time conveyed material, passes through the data of the controller outputting material volume or weight.
In the depth of transverse section value for needing to obtain material, the detection sensor is that displacement detecting sensor (please refers to
Fig. 5 and Fig. 6), specifically, the step S10 includes:
In the belt type conveying mechanism zero load, the height of conveyer belt is detected；
In belt type conveying mechanism strip operation, the height of material is detected；
Wherein, the step S20 includes:
According to the height of the height of the conveyer belt and the material, the depth of transverse section value of material is calculated；
When the depth of transverse section value of material is more than preset height value, standby signal is exported.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the design of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in it indirectly
He is included in scope of patent protection of the invention relevant technical field.
Claims (10)
1. a kind of belt conveyor bulk material detection device characterized by comprising
Base；
Belt type conveying mechanism is set to the base, and the belt type conveying mechanism is to convey material；
Detection sensor, set on the base and positioned at the top of the belt type conveying mechanism, the detection sensor is to logical
Cross the height or cross section upper surface profile of conveyer belt and material that non-contacting mode detects on the belt type conveying mechanism；With
And
Controller is electrically connected the detection sensor, to the testing result according to the detection sensor, calculates material
Depth of transverse section value or cross sectional area value, and when the depth of transverse section value of material or cross sectional area value are more than preset value,
Export standby signal.
2. belt conveyor bulk material detection device as described in claim 1, which is characterized in that the detection sensor is
Displacement detecting sensor, the displacement detecting sensor are set to the top of the belt type conveying mechanism downward, and along the belt
The width direction of conveying mechanism is equipped at intervals with multiple, detects the belt conveying to pass through the multiple displacement detecting sensor
The cross section upper surface profile of conveyer belt and material in mechanism, the controller according to the multiple displacement detecting to sense
The testing result of device calculates the cross sectional area value of material, and when the cross sectional area value of material is more than preset area value, defeated
Standby signal out；And/or
The detection sensor is laser displacement sensor or ultrasonic displacement sensor or radar shift sensor.
3. belt conveyor bulk material detection device as described in claim 1, which is characterized in that the detection sensor is
Displacement detecting sensor, the displacement detecting sensor are set to the top of the belt type conveying mechanism downward, described to detect
The height of conveyer belt and material on belt type conveying mechanism, the controller is to the detection according to the displacement detecting sensor
As a result, the depth of transverse section value of material is calculated, and when the depth of transverse section value of material is more than preset height value, output prompt letter
Number；Alternatively,
The detection sensor is displacement detecting sensor, and the displacement detecting sensor is set to the belt type conveying mechanism in width
The top of the side on direction is spent, the displacement detecting sensor is to detect the conveying on the belt type conveying mechanism from side
The height of band and material, the controller calculate the cross-section of material to the testing result according to the displacement detecting sensor
Face height value, and when the depth of transverse section value of material is more than preset height value, export standby signal；Alternatively,
The detection sensor is profile scanning sensor, and the profile scanning sensor is set to the belt type conveying mechanism downward
Top, to detect the cross section upper surface profile of conveyer belt and material on the belt type conveying mechanism, the controller
To the testing result according to the profile scanning sensor, the cross sectional area value of material is calculated, and in the cross section of material
When area value is more than preset area value, standby signal is exported.
4. belt conveyor bulk material detection device as claimed in claim 3, which is characterized in that the base is equipped with vertical
Bar, the upright bar are located at the side of the belt type conveying mechanism in the direction of the width, and the detection sensor is set by mounting base
In the upper end of the upright bar；
Wherein, the mounting base is that can rotate to adjust along the upright bar axis to be adjustably mounted to the upright bar with up and down
Upper end.
5. belt conveyor bulk material detection device as claimed in claim 4, which is characterized in that the detection sensor is set
In the top of the belt type conveying mechanism, the base further includes along horizontal-extending crossbeam, and one end of the crossbeam connects institute
Mounting base is stated, the detection sensor is set to the other end of the crossbeam；Alternatively,
The detection sensor is set to the top of the side of the belt type conveying mechanism, and the base further includes being set to the installation
The brace of seat, in being obliquely installed downward and towards the belt type conveying mechanism, the detection sensor is set to described oblique the brace
Bar.
6. a kind of control method of the belt conveyor bulk material detection device as described in claim 1 to 5 any one,
It is characterized in that, comprising:
The height or cross section upper surface profile of the conveyer belt and material on belt type conveying mechanism are detected by non-contacting mode；
According to testing result, the depth of transverse section value or cross sectional area value of material are calculated, and in the depth of transverse section value of material
Or cross sectional area value be more than preset value when, export standby signal.
7. the control method of belt conveyor bulk material detection device as claimed in claim 6, which is characterized in that described
According to testing result, the depth of transverse section value or cross sectional area value of material are calculated, and in the depth of transverse section value of material or cross-section
When face area value is more than preset value, output standby signal includes:
The depth of transverse section value or cross sectional area value of outputting material.
8. the control method of belt conveyor bulk material detection device as claimed in claim 6, which is characterized in that when described
Detection sensor is displacement detecting sensor, and when being equipped at intervals with multiple along the width direction of the belt type conveying mechanism；Or
When the detection sensor be profile scanning sensor when, it is described detected by non-contacting mode it is defeated on belt type conveying mechanism
The height or cross section upper surface profile for sending band and material include:
In the belt type conveying mechanism zero load, the cross section upper surface profile of conveyer belt is detected；
In belt type conveying mechanism strip operation, the cross section upper surface profile of material is detected；
Wherein, it is described according to testing result, calculate the depth of transverse section value or cross sectional area value of material, and in the cross-section of material
When face height value or cross sectional area value are more than preset value, output standby signal includes:
According to the cross section upper surface profile of the cross section upper surface profile of the conveyer belt and the material, the cross of material is calculated
Cross-sectional area value；
When the cross sectional area value of material is more than preset area value, standby signal is exported.
9. the control method of belt conveyor bulk material detection device as claimed in claim 8, which is characterized in that described
According to the cross section upper surface profile of the cross section upper surface profile of the conveyer belt and the material, the cross section of material is calculated
After the step of area value, the control method further include:
According to the cross sectional area value of the conveying speed of the belt type conveying mechanism and material, the volume and/or again of material is obtained
Amount.
10. the control method of belt conveyor bulk material detection device as claimed in claim 6, which is characterized in that work as institute
State detection sensor be displacement detecting sensor when, the conveyer belt detected by non-contacting mode on belt type conveying mechanism
Height or cross section upper surface profile with material include:
In the belt type conveying mechanism zero load, the height of conveyer belt is detected；
In belt type conveying mechanism strip operation, the height of material is detected；
Wherein, it is described according to testing result, calculate the depth of transverse section value or cross sectional area value of material, and in the cross-section of material
When face height value or cross sectional area value are more than preset value, output standby signal includes:
According to the height of the height of the conveyer belt and the material, the depth of transverse section value of material is calculated；
When the depth of transverse section value of material is more than preset height value, standby signal is exported.
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| CN110980197A (en) * | 2020-02-27 | 2020-04-10 | 天津美腾科技股份有限公司 | Material detection method and device and electronic equipment |
| CN111536910A (en) * | 2020-04-28 | 2020-08-14 | 吉林工程技术师范学院 | Grain conveyor material cross-sectional area detection and calculation method based on ultrasonic waves |
| CN111747062A (en) * | 2019-09-03 | 2020-10-09 | 南京北路自动化系统有限责任公司 | Coal flow detection method based on surface laser radar |
| CN113718084A (en) * | 2021-09-07 | 2021-11-30 | 中冶赛迪工程技术股份有限公司 | Device and method for limiting height of materials in conveying groove |
| CN114873167A (en) * | 2022-03-29 | 2022-08-09 | 中冶赛迪工程技术股份有限公司 | Novel high-efficient steel scrap conveyer |
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