CN105890727B - A kind of weighing-appliance - Google Patents
A kind of weighing-appliance Download PDFInfo
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- CN105890727B CN105890727B CN201610255570.4A CN201610255570A CN105890727B CN 105890727 B CN105890727 B CN 105890727B CN 201610255570 A CN201610255570 A CN 201610255570A CN 105890727 B CN105890727 B CN 105890727B
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- Prior art keywords
- transmission belt
- weight
- storage silo
- moment
- weighing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
- G01G17/04—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes
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- General Physics & Mathematics (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
In order to make up the above-mentioned shortcoming of the prior art, there are the working conditions of the weighing precision of the material of adhesive aggregation phenomenon and material transferring for raising, and the present invention provides a kind of weighing-appliances, including：It weighs detection device, the weight for determining the cohesiveness material transferred out by material transferring band；Wireless telecom equipment, the information for detecting detection device of weighing are transferred out in the form of wireless, and receive the instruction from industrial control computer；Industrial control computer, the information for receiving the wireless telecom equipment transmission, and send transmission device control instruction to the wireless telecom equipment；Power supply unit, the work for material transferring band and material storage silo to be opened or stopped according to transmission device control instruction.Operation is launched for the high-precision of granular material to require, improve the intelligence degree that material is launched and weighs in producing present invention accomplishes modernization industry.
Description
Technical field
The present invention relates to material metering technical fields, claim to cohesiveness granular material more particularly, to a kind of
The weighing-appliance of weight.
Background technology
In construction machinery industry, many places will use weighing to material (i.e. raw material), such as in manufacture of cement
The Weighing control of flyash addition, and in the Weighing control etc. of Modern New building materials superfine powder and additive, to these powder
The Weighing control of body material, none does not play a crucial role the yield and quality of cement industry product.Therefore how to protect
Stability, quick responding ability and shot and long term precision of the granular material during Weighing control are demonstrate,proved, is cement industry development
So far it must face and solve the problems, such as always.
The mobility of most of granular materials is influenced by moisture and inflation.It is typically due to material and hoards adsorption moisture to make
The mobility for obtaining powder material is deteriorated, and shows that material tends to adhesive aggregation and has larger adhesion, its bigger adhesion of moisture is more
By force, mobility is poorer so that funnel-form is usually presented in the flow region of powder layer in storehouse, i.e., only feed bin center portion forms material
Stream, and the powder in other regions or stream sequence it is disorderly or stagnate it is motionless, generate flow out after the material being first added " after advanced
Go out " the phenomenon that, this liquid form is known as funnel stream.Funnel stream can cause segregation, slug, caking, blanking changing bulk density etc. no
Good phenomenon, these phenomenons can cause the maximum error of weighing precision.On the other hand, granular material dry or with air-flow
Mobility is extremely strong, shows as material and tends to from overflowing (self drainage), air content is bigger, and mobility is stronger.
In the prior art, for example, the Chinese invention patent application application No. is CN201310035535.8 discloses one kind
The dynamic weighing method and its system of fluid liquid material, belong to fluid weighing field, dynamic weighing method by fluid impingement force,
The principal element of the two influence measuring accuracies of drop amount and speed participates in the dosage compensation calculating of fluid foods, with metering
The false weight of master scale output considers, and carries out the calculating of fluid actual weight；Dynamic weighing system goes out inlet valve
The output end connection metering units of setting speed sensor, speed sensor, human-computer interaction module pass through the ports I/O and meter at mouthful
Unit connection is measured, metering units connect dosage compensation unit, the output end connection of dosage compensation unit with the output end of weigher
Controller.
However, this scheme can not still solve the problems, such as the correct amount for cohesiveness material.
Invention content
In order to make up the above-mentioned shortcoming of the prior art, correct amount is there are the material of adhesive aggregation phenomenon and determines material
The working condition of relevant device in transmission process, the present invention provides a kind of weighing-appliances, for weighing on material transferring band,
It is characterised in that it includes：
It weighs detection device, the weight for determining the cohesiveness material transferred out by material transferring band；
Wireless telecom equipment, the information for detecting detection device of weighing is transferred out in the form of wireless, and is connect
Receive the instruction from industrial control computer；
Industrial control computer, the information for receiving the wireless telecom equipment transmission, and sent out to the wireless telecom equipment
Send transmission device control instruction；
Power supply unit, the work for material transferring band and material storage silo to be opened or stopped according to transmission device control instruction
Make.
Further, the detection device of weighing includes：
Volume of material determination unit, for determining the volume of material for falling into transmission belt from storage silo；
The weight of material determination unit being connect with the volume of material determination unit puts into material for determining from transmission belt
The weight of material of the density, adhesive aggregation of processing equipment in transmission belt, and determine therefrom that and transferred out by material transferring band
The weight of cohesiveness material.
Further, the volume of material determination unit includes：
Material density determination subelement, the density p for determining the material for falling into transmission belt：If material is into storage silo
When density be ρ0, the time span that material stores in storage silo is TStorageHour, then
Storage silo pressure change subelement, the pressure change, elta G for detecting material storage silo；
Volume of material determination subelement, for obtaining the total volume V for being passed to the material in transmission belt, wherein
Further, the weight of material determination unit includes：
Material storage silo temperature and humidity determination subelement is disposed about material storage silo M outwardly and inwardly
Different location detects storage silo interior environment temperatureAmbient temperatureInterior humidityWith
Outer moisture
Transmission belt temperature and humidity determination subelement is configured to N number of different positions with fixed frame bottom along material transferring
It sets, detects the temperature of material transmission belt local environmentAnd humidityWherein M, N are the nature more than 1
Number.
First detection sub-unit, the first moment for material transferring band will to be transferred to from storage silo in material, inspection
Survey the input power of transmission beltAnd the pressure that the L different location detection transmission belt in transmission belt bottom is subject toAnd the thickness of the transmission belt surface substance of the predetermined position of transmission beltWherein L is the natural number more than 1；
Second detection sub-unit, for material will by from material transferring band put into rotary kiln before the second moment,
Detect the output power of transmission beltAnd the pressure that the L different location detection transmission belt in transmission belt bottom is subject to
Power
Second moment weight of material determination subelement, the weight of material for determining above-mentioned second moment：
First moment transmission belt surface residuals weight determination subelement, the transmission belt for determining above-mentioned first moment
The weight of remained on surface substanceWherein P0Indicate transmission belt it is upper it is primary be cleaned after detection
Pressure value；
Third detection sub-unit, for material by from material transferring band put into rotary kiln after, material transferring band again
The third moment of material transferring band will be transferred to from storage silo by returning to material, and the L different location in transmission belt bottom is examined
Survey the pressure that transmission belt is subject toAnd the thickness of the transmission belt surface substance of the predetermined position of transmission beltIt determines
The weight of transmission belt surface residuals
It puts into weight of material and confirms subelement, for being transmitted band input rotary kiln between the second moment and third moment
Weight of material
Material transferring operating mode determination subelement, for determining
Whether more than predetermined threshold value stop the work of above-mentioned material transferring band if being more than, material transferring band is carried out clear
Reason, and whether the working condition for detecting the above-mentioned pressure of measurement, the equipment of the value of temperature and humidity or device is normal.
Further, the thickness of the surface mass of the transmission belt is detected by infrared sensor and is obtained and by infrared sensing
The characterization that device detects.
The beneficial effects of the invention are as follows：The present invention has obtained the cohesiveness granular substance such as cement by a large number of experiments, research
Expect by temperature, humidity and the variable density on material transferring band in transmission process for installing environment, and in turn according to work(
The factors such as the thickness of rate, density and transmission belt residue determine whether material transferring operating mode is normal, if need to overhaul material biography
The sensor of defeated band and material storage silo, to meet in modernization industry production for the high-precision of cohesiveness granular material
Degree is launched operation and is required, and the intelligence degree that material is launched and weighs is improved.
Description of the drawings
Fig. 1 shows the structure diagram of weighing-appliance according to the present invention.
Fig. 2 shows the structure diagrams of detection device according to the present invention of weighing.
Specific implementation mode
As shown in Figure 1, the weighing-appliance of the present invention, for weighing on material transferring band, which is characterized in that including：
It weighs detection device, the weight for determining the cohesiveness material transferred out by material transferring band；
Wireless telecom equipment, the information for detecting detection device of weighing is transferred out in the form of wireless, and is connect
Receive the instruction from industrial control computer；
Industrial control computer, the information for receiving the wireless telecom equipment transmission, and sent out to the wireless telecom equipment
Send transmission device control instruction；
Power supply unit, the work for material transferring band and material storage silo to be opened or stopped according to transmission device control instruction
Make.
As shown in Fig. 2, the detection device of weighing includes：
Volume of material determination unit, for determining the volume of material for falling into transmission belt from storage silo；
The weight of material determination unit being connect with the volume of material determination unit puts into material for determining from transmission belt
The weight of material of the density, adhesive aggregation of processing equipment in transmission belt, and determine therefrom that and transferred out by material transferring band
The weight of cohesiveness material.
Wherein, the volume of material determination unit includes：
Material density determination subelement, the density p for determining the material for falling into transmission belt：If material is into storage silo
When density be ρ0, the time span that material stores in storage silo is TStorageHour, then
Storage silo pressure change subelement, the pressure change, elta G for detecting material storage silo；Here pressure change is
The pressure change on ground is obtained by using such as pressure sensor detection material storage silo.
Volume of material determination subelement, for obtaining the total volume V for being passed to the material in transmission belt, wherein
Preferably, the weight of material determination unit includes：
Material storage silo temperature and humidity determination subelement is disposed about material storage silo M outwardly and inwardly
Different location detects storage silo interior environment temperatureAmbient temperatureInterior humidityWith
Outer moisture
Transmission belt temperature and humidity determination subelement is configured to N number of different positions with fixed frame bottom along material transferring
It sets, detects the temperature of material transmission belt local environmentAnd humidityWherein M, N are the nature more than 1
Number.
First detection sub-unit, the first moment for material transferring band will to be transferred to from storage silo in material, inspection
Survey the input power of transmission beltAnd the pressure that the L different location detection transmission belt in transmission belt bottom is subject toAnd the thickness of the transmission belt surface substance of the predetermined position of transmission beltWherein L is the natural number more than 1；
Second detection sub-unit, for material will by from material transferring band put into rotary kiln before the second moment,
Detect the output power of transmission beltAnd the pressure that the L different location detection transmission belt in transmission belt bottom is subject to
Power
Second moment weight of material determination subelement, the weight of material for determining above-mentioned second moment：
First moment transmission belt surface residuals weight determination subelement, the transmission belt for determining above-mentioned first moment
The weight of remained on surface substanceWherein P0Indicate transmission belt it is upper it is primary be cleaned after detection
Pressure value；
Third detection sub-unit, for material by from material transferring band put into rotary kiln after, material transferring band again
The third moment of material transferring band will be transferred to from storage silo by returning to material, and the L different location in transmission belt bottom is examined
Survey the pressure that transmission belt is subject toAnd the thickness of the transmission belt surface substance of the predetermined position of transmission beltIt determines
The weight of transmission belt surface residuals
It puts into weight of material and confirms subelement, for being transmitted band input rotary kiln between the second moment and third moment
Weight of material
Material transferring operating mode determination subelement, for determining
Whether more than predetermined threshold value stop the work of above-mentioned material transferring band if being more than, material transferring band is carried out clear
Reason, and whether the working condition for detecting the above-mentioned pressure of measurement, the equipment of the value of temperature and humidity or device is normal.
The thickness of the surface mass of the transmission belt is detected by infrared sensor and obtains and detected by infrared sensor
Characterization.
In the present invention, GSM may be used in wireless telecom equipment or wireless data transmission module is realized, the detection that is used to weigh is set
The information such as standby above-mentioned temperature, humidity, power, thickness, the pressure detected are transferred out in the form of wireless, and are received and come from work
Control the instruction of computer.
Industrial control computer, above-mentioned temperature, humidity, power, thickness, pressure for receiving the wireless telecom equipment transmission
Etc. information, and to the wireless telecom equipment send transmission device control instruction；These equipment control instructions are used for control material
Whether transmission belt and material storage silo carry out material transferring.Specifically, the control to power supply unit may be used in this control,
That is whether control material transmission belt and material storage silo is powered or powers off to realize that unlatching or stopping material transferring band and material are deposited
The work of warehouse, what is be powered or power off at this time controls the i.e. described equipment control instruction of signal or instruction.
Temperature, humidity and pressure in the present invention are all made of corresponding temperature sensor, humidity sensor and pressure sensing
Device detects.Wherein, when detecting pressure, it should be ensured that pressure sensor receives pressure substantially downwardly during detection, that is, ensures
Herein detect during material transferring band carrying material one side should essentially toward top (i.e. during dispensing) rather than
Downward (i.e. during primary dispensing finishes preparation and launches next time).
It should be noted that the thickness of the surface mass of transmission belt is not in terms of thickness unit (such as mm) in the present invention
The physical quantity of amount, but the strong and weak physical quantity characterized of the signal detected by infrared probe, i.e., thickness of the invention is logical
It is detected to cross infrared sensor.Specifically, the fixed position of transmission belt be provided with the preferable structure of translucency (such as thoroughly
The good flexible fiber of photosensitiveness, flexible rubber etc.), side is fixed with infrared emission probe under this structure, is needing to detect thickness
It is provided with infrared receiver probe above the transmission belt of position, on the infrared emitting direction of the infrared emission probe.It is infrared to connect
Probe is received according to the infrared signal intensity received, characterizes above-mentioned thickness.
In addition, so-called material is primarily referred to as the graininess such as cement, is easily influenced and generated by temperature and humidity in the application
The material of adhesive aggregation phenomenon.
It is above the purpose to illustrate for narration made by presently preferred embodiments of the present invention, and is not intended to limit essence of the invention
It is really disclosed form, learns and make an amendment or change to be possible based on above introduction or from the embodiment of the present invention
, embodiment is to explain the principle of the present invention and those skilled in the art being allowed to exist using the present invention with various embodiments
It is selected in practical application and narration, technological thought of the invention attempt is determined by claim and its equalization.
Claims (2)
1. a kind of weighing-appliance, for weighing on material transferring band, which is characterized in that including：
It weighs detection device, the weight for determining the cohesiveness material transferred out by material transferring band；
Wireless telecom equipment, the information for detecting detection device of weighing are transferred out in the form of wireless, and are received and
From the instruction of industrial control computer；
Industrial control computer, the information for receiving the wireless telecom equipment transmission, and send and pass to the wireless telecom equipment
Transfer device control instruction；
Power supply unit, the work for material transferring band and material storage silo to be opened or stopped according to transmission device control instruction；
The detection device of weighing includes：
Volume of material determination unit, for determining the volume of material for falling into transmission belt from storage silo；
The weight of material determination unit being connect with the volume of material determination unit, for determining from transmission belt input material processing
The weight of material of the density, adhesive aggregation of equipment in transmission belt, and determine therefrom that the adhesive aggregation transferred out by material transferring band
The weight of property material；
The volume of material determination unit includes：
Material density determination subelement, the density p for determining the material for falling into transmission belt：If material enter storage silo when
Density is ρ0, the time span that material stores in storage silo is TStorageHour, then
Storage silo pressure change subelement, the pressure change, elta G for detecting material storage silo；
Volume of material determination subelement, for obtaining the total volume V for being passed to the material in transmission belt, wherein
The weight of material determination unit includes：
Material storage silo temperature and humidity determination subelement is disposed about the M difference of material storage silo outwardly and inwardly
Storage silo interior environment temperature is detected in positionAmbient temperatureInterior humidityThe outside and
Humidity
Transmission belt temperature and humidity determination subelement is configured to N number of different location with fixed frame bottom along material transferring, inspection
Survey temperature of the material transferring with local environmentAnd humidityWherein M, N are the natural number more than 1；
First detection sub-unit, the first moment for that will be transferred to material transferring band from storage silo in material, detection pass
The input power of defeated bandAnd the pressure that the L different location detection transmission belt in transmission belt bottom is subject to
And the thickness of the transmission belt surface substance of the predetermined position of transmission beltWherein L is the natural number more than 1；
Second detection sub-unit, for will be detected by the second moment before putting into rotary kiln from material transferring band in material
The output power of transmission beltAnd the pressure that the L different location detection transmission belt in transmission belt bottom is subject to
Second moment weight of material determination subelement, the weight of material for determining above-mentioned second moment：
First moment transmission belt surface residuals weight determination subelement, the transmission belt surface for determining above-mentioned first moment
The weight of residualsWherein P0Indicate transmission belt it is upper it is primary be cleaned after the pressure that detects
Force value；
Third detection sub-unit, for after being put into rotary kiln from material transferring band in material, material transferring band turns again to
Material will be transferred to the third moment of material transferring band from storage silo, and the L different location in transmission belt bottom, which detects, to be passed
The pressure that defeated band is subject toAnd the thickness of the transmission belt surface substance of the predetermined position of transmission beltDetermine transmission
The weight of belt surface residuals
It puts into weight of material and confirms subelement, for being transmitted the object with input rotary kiln between the second moment and third moment
Expect weight
Material transferring operating mode determination subelement, for determining
Whether stops the work of above-mentioned material transferring band if being more than more than predetermined threshold value, material transferring band is cleared up,
And whether the working condition for detecting the above-mentioned pressure of measurement, the equipment of the value of temperature and humidity or device is normal.
2. equipment according to claim 1, which is characterized in that the thickness of the surface mass of the transmission belt passes through infrared biography
The characterization that sensor detection is obtained and detected by infrared sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610255570.4A CN105890727B (en) | 2016-04-22 | 2016-04-22 | A kind of weighing-appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610255570.4A CN105890727B (en) | 2016-04-22 | 2016-04-22 | A kind of weighing-appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105890727A CN105890727A (en) | 2016-08-24 |
| CN105890727B true CN105890727B (en) | 2018-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610255570.4A Active CN105890727B (en) | 2016-04-22 | 2016-04-22 | A kind of weighing-appliance |
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| CN104609212A (en) * | 2014-12-08 | 2015-05-13 | 徐州徐工筑路机械有限公司 | Powder residual amount monitoring method and device |
| CN104697616A (en) * | 2015-04-03 | 2015-06-10 | 武汉一冶钢结构有限责任公司 | Industrial fuel gas quality measurement device and method based on LabVIEW |
| CN104949748A (en) * | 2014-03-31 | 2015-09-30 | 宝钢不锈钢有限公司 | Method for self-testing of electronic belt weighing in real-time and online way |
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2016
- 2016-04-22 CN CN201610255570.4A patent/CN105890727B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201425503Y (en) * | 2009-06-10 | 2010-03-17 | 北京中盛博方环保工程技术有限公司 | Miscellaneous material pile measuring system |
| CN101807062A (en) * | 2010-03-11 | 2010-08-18 | 中钢集团鞍山热能研究院有限公司 | Stock bin control system |
| CN103499379A (en) * | 2013-10-15 | 2014-01-08 | 中国电子科技集团公司第三十八研究所 | Fast detection system for amount of stored oil |
| DE102014101558A1 (en) * | 2013-11-08 | 2015-05-13 | Sartorius Lab Instruments Gmbh & Co. Kg | Precision balance with removable climate module |
| CN104949748A (en) * | 2014-03-31 | 2015-09-30 | 宝钢不锈钢有限公司 | Method for self-testing of electronic belt weighing in real-time and online way |
| CN104609212A (en) * | 2014-12-08 | 2015-05-13 | 徐州徐工筑路机械有限公司 | Powder residual amount monitoring method and device |
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| CN105890727A (en) | 2016-08-24 |
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Effective date of registration: 20180608 Address after: 511430 419, 2 (2), 43 min Chang street, Dashi street, Panyu District, Guangzhou, Guangdong. Applicant after: Guangzhou Master Technologies Co., Ltd. Address before: 610041 No. 220, Zhong Bai Road, Zhong He street, hi tech Zone, Chengdu, Sichuan Applicant before: Chengdu Rui Tu Electronics Co., Ltd. |
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Address after: 511430 203, No.29, Shinan Road, miancun village, Dashi street, Panyu District, Guangzhou City, Guangdong Province Patentee after: Guangzhou xinsichuang Technology Co., Ltd Address before: 511430 419, 2 (2), 43 min Chang street, Dashi street, Panyu District, Guangzhou, Guangdong. Patentee before: GUANGZHOU MASTER TECHNOLOGIES Co.,Ltd. |