CN106568493A - High precision automatic weighing and dispensing equipment and method - Google Patents
High precision automatic weighing and dispensing equipment and method Download PDFInfo
- Publication number
- CN106568493A CN106568493A CN201610950858.3A CN201610950858A CN106568493A CN 106568493 A CN106568493 A CN 106568493A CN 201610950858 A CN201610950858 A CN 201610950858A CN 106568493 A CN106568493 A CN 106568493A
- Authority
- CN
- China
- Prior art keywords
- weighing
- high precision
- control
- precision automatic
- automatic weighing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/22—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them
- G01G19/24—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them using a single weighing apparatus
- G01G19/30—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them using a single weighing apparatus having electrical weight-sensitive devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
- G01G13/24—Weighing mechanism control arrangements for automatic feed or discharge
- G01G13/248—Continuous control of flow of material
Abstract
The invention discloses a high precision automatic weighing and dispensing equipment and method. By arranging a weighing bucket and a weighing sensor, the equipment achieves material automatically on-line weighing during material blanking, so as to improve the work efficiency, and especially with high-precision sensor and a high-precision A / D conversion module, but also with the sampling filter, random vibration and background vibration can be eliminated to achieve accurate weighing of the weight. The method combines the weighing sensor to achieve automatically online weighing during material blanking according to the set blanking sequence and an object weight control solenoid valve, thereby improving the work efficiency. The sampling filter is also combined to eliminate random vibration and background vibration, thereby achieving accurate weighing of the weight. In addition, a control algorithm is adopted to timely adjust the material flowing speed, so as to prevent the material from overflowing and avoid faults. The high precision automatic weighing and dispensing equipment and method can be widely applied to the mechanical structure and embedded control field.
Description
Technical field
The present invention relates to frame for movement and embedded-type control field, especially a kind of High Precision Automatic weighing and burden equipment and
Method.
Background technology
Weighing technology is just becoming global hot topic new science and technology, the market scale with magnanimity, with plastics, food processing, feeding
The fast development of the processing and manufacturing industry such as material, chemical industry, Chinese market future is to high end advanced manufacturing equipment (such as automatic Weighing dispensing
Equipment) demand is huge, only needs every year to update automatic weighing equipment quantity i.e. up to tens million of sets, and automatic Weighing ingredients technical will
Gradually replace artificial dispensing, far from the needs for enough meeting future market, essential core technology is dependent on foreign countries to current production capacity,
It is distributed in the companies such as German Su Kong companies, the U.S. Process Control, Maguire.Researching and developing High Precision Automatic weighing-appliance will
Drive the development of China high-end devices manufacture field, the sector application being related to of weighing is extremely extensive, such as plastics, food, feedstuff,
Automobile, chemical industry, oil, iron and steel, cement etc., have a large capacity and a wide range, while be deep into the every aspect of social life, weighing technology is sent out
Open up the development of the economy and scientific and technological level that will drive country.
Although external weighing and burden equipment stability is higher, expensive, market of weighing is constrained to a certain extent
Development；Meanwhile, traditional plastic extrusion control system is first weighed to each component needed for extruder, then extruder is total to
The component for needing is mixed, and its conventional way typically adopts weighed off line, and then manual stirring loads extruder hopper, so
Way often produce series of problems, such as batch mixing is uneven, weighs inaccurate, easily causes the waste and increase of raw material
Cost of labor；And traditional domestic automatic Weighing equipment is using the A/D sensors of 12 to 16 or so, for high-precision modeling
Some are low for precision for material extrusion equipment, weigh not accurate enough, are difficult to more become more meticulous with the relatively low sensor of these precision
Product, its difficult quality is guaranteed.
The content of the invention
In order to solve above-mentioned technical problem, the purpose of the present invention is：There is provided it is a kind of support it is online and offline weigh it is high-precision
Degree automatic Weighing dispensing equipment.
In order to solve above-mentioned technical problem, it is another object of the present invention to：There is provided and a kind of support online and offline weigh
High Precision Automatic weighing and burden method.
The technical solution adopted in the present invention is：A kind of High Precision Automatic weighing and burden equipment, include from top to bottom according to
The hopper of secondary setting, scale hooper and stir storehouse, are additionally provided with slip distributing valve, the scale hooper between the hopper and scale hooper
On be provided with LOAD CELLS, the scale hooper bottom is provided with pan of a steelyard drain hole, be provided with the stir storehouse material position sensing
Device, is provided with stirring paddle in the stir storehouse, the stirring paddle is driven by stirring motor；It is additionally provided with control circuit, electromagnetism
Valve and cylinder, the control circuit is connected to cylinder for driving slip distributing valve, the control circuit also to divide by electromagnetic valve
Pan of a steelyard drain hole and stirring motor are not connected to, the LOAD CELLS and level sensor are connected to control circuit.
Further, the LOAD CELLS is single-point cantilever fine strain of millet LOAD CELLS or resistance strain weighing transducer, institute
State control circuit and include processor, A/D modular converters, amplification module and modular converter of weighing, the LOAD CELLS is successively
Processor is connected to by A/D modular converters, amplification module and modular converter of weighing.
Further, sampling filter module is also included, the modular converter of weighing is by sampling filter module and processor
Connection.
Further, distribute module is also included in the control circuit, for carrying out charging control according to material type.
Further, alarm module is also included in the control circuit, the processor is connected with alarm module.
Another technical scheme of the present invention is：A kind of High Precision Automatic weighing and burden method, includes following step
Suddenly：
A, processor control the action of electromagnetic valve, solenoid-driven cylinder control according to the blanking order and target weight of setting
The switch of slip distributing valve processed；
B, the cutting stock weight in blanking process each time is monitored using LOAD CELLS, reaches and locate after target weight
Reason device control closed electromagnetic valve；
C, controller control stirring motor drive stirring paddle mix.
Further, step B specifically includes following sub-step：
B1, the cutting stock weight in blanking process each time is monitored using LOAD CELLS；
B2, the random vibration and background vibrations eliminated by sampling and filtering in weighing process；
B3, according to real-time cutting stock weight adjust electromagnetic valve, the flowing velocity of control material；
B4, reach target weight preprocessor control closed electromagnetic valve.
Further, step B2 is specially：
B21, the cutting stock weight value detected in t1, t2, t3 moment sequential sampling, obtain Y1, Y2, Y3；
If B22, | Y2-Y1|≤Δ E, then value cutting stock weight value is Y2；
If | Y2-Y1|>Δ E, and | Y3-Y2|≤Δ E, then value cutting stock weight value is Y3；
Otherwise value cutting stock weight value is (Y3+Y2)/2；
Wherein Δ E is the maximum deviation threshold value of setting.
Further, in step B3, processor according to real-time cutting stock weight and setting target weight, using PID
Control is adjusted to electromagnetic valve.
Further, in step B, processor also controls electromagnetism valve events by level sensor：Work as level sensor
When detecting material, close electromagnetic valve and control alarm modules signal an alert.
The invention has the beneficial effects as follows：Present device passes through to arrange scale hooper and LOAD CELLS, under being capable of achieving material
Automatic on-line during material is weighed, and improves work efficiency；Especially combined high precision sensor and high-precision A/D modular converters, together
When can also coordinate that sampling filter removes random vibration and precise to weight is realized in background vibrations.
The present invention another beneficial effect be：The inventive method combines blanking order and mesh of the LOAD CELLS according to setting
Mark Weight control electromagnetic valve, automatic on-line when being capable of achieving material blanking is weighed, and improves work efficiency；Sampling filter can also be coordinated
The precise of random vibration and background vibrations realization to weight is removed, while using control algolithm real-time adjustment Flow of Goods and Materials speed
Degree, prevents material from overflowing, it is to avoid to break down.
Description of the drawings
Fig. 1 is the frame for movement schematic diagram of present device；
Fig. 2 is the control section structured flowchart of present device；
Fig. 3 is Wheatstone bridge schematic diagram；
The step of Fig. 4 is the inventive method flow chart；
Fig. 5 is pid control algorithm schematic diagram.
Wherein：1st, hopper；2nd, scale hooper；3rd, stir storehouse；4th, slip distributing valve；5th, LOAD CELLS；6th, cylinder；7th, the scale pan
Drain hole；8th, level sensor；9th, stirring paddle.
Specific embodiment
The specific embodiment of the present invention is described further below in conjunction with the accompanying drawings：
See figures.1.and.2, a kind of High Precision Automatic weighing and burden equipment includes the hopper for setting gradually from top to bottom
1st, scale hooper 2 and stir storehouse 3, are additionally provided with slip distributing valve 4 between the hopper 1 and scale hooper 2, set on the scale hooper 2
LOAD CELLS 5 is equipped with, the bottom of the scale hooper 2 is provided with pan of a steelyard drain hole 7, material position sensing is provided with the stir storehouse 3
Stirring paddle 9 is provided with device 8, the stir storehouse 3, the stirring paddle 9 is driven by stirring motor；Be additionally provided with control circuit,
Electromagnetic valve and cylinder 6, the control circuit is connected to cylinder 6 for driving slip distributing valve 4, the control electricity by electromagnetic valve
Road is further connected to pan of a steelyard drain hole 7 and stirring motor, and the LOAD CELLS 5 and level sensor 8 are connected to control
Circuit.
In plastic processing production, the material for needing mixing generally can be divided into three types, reclaimed materials, major ingredient and additive.
Their numerical value is meant that：Reclaimed materials, account for the percentage ratio of all compounds；Major ingredient, all ratios being defined as between major ingredient；Addition
Agent, the ratio to major ingredient.Any one material can be defined as any one of these three types.When equipment works, first can root
Determine the job order and blanking target weight of each material according to the data set in control circuit, and calculate the action of electromagnetic valve
Time and drive magnetic valve action.The data for wherein setting can be pre-stored within control circuit, or by operator
Member is by man machine interface (Human Machine Interface) input.Being opened by the slip distributing valve of solenoid valve control can
Make material carry out Weighing into scale hooper, on scale hooper arrange weighing and sensing can real-time detection material blanking process, will
The weight of material (analogue signal) of unit interval is converted to digital signal, and is sent to control circuit, and control circuit is according to weighing
The gravimetric value of sensor, determines the operation of next step.
It is further used as preferred embodiment, the LOAD CELLS is that single-point cantilever fine strain of millet LOAD CELLS or resistance should
Variant LOAD CELLS, the control circuit includes processor, A/D modular converters, amplification module and modular converter of weighing, institute
State that LOAD CELLS passes sequentially through A/D modular converters, amplification module and modular converter of weighing is connected to processor.
By taking resistance strain weighing transducer as an example, its operation principle is to be based on strain effect, i.e. resistance strain gage outside
When there is mechanical deformation in the presence of boundary's active force, the resistance of its resistance also accordingly changes the principle of change.The resistance of resistance
Value R：
Wherein ρ is the resistivity of resistance wire material；L is the length of resistance wire；The cross-sectional area of s resistance wires.Resistance wire is received
Power is stretched, and length increases △ l, and sectional area reduces △ s, and resistivity changes △ ρ because of deformation, then the relative change of resistance value
Amount：
When resistance change amount is measured, corresponding strain value is also obtained, therefore during using semi-conducting material, according to stress
With strain stress relation, can complete from the measures conversion of power to the measurement of electricity.
Resistance strain weighing transducer is mainly made up of flexible member and resistance strain gage, with full-bridge type equal arm bridge
(Wheatstone bridge) is the sensor of structure.Each bridge arm parameter consistency of full-bridge type equal arm bridge, various interference can be mutual
Payment.This point meets weighing system in adverse circumstances to the requirement of signals collecting accuracy, while full-bridge type equal arm bridge
The compensating action (so-called Bridge circuit compensation) of temperature is played again, effectively reduces impact of the temperature to foil gauge.
Full-bridge type equal arm bridge basic circuit as shown in figure 3, Ui, Uo are the input of electric bridge and output voltage, according to circuit
Derive and understand that Uo is：
In the case where not stressing, tetra- resistances of R1, R2, R3, R4 of electric bridge are equal, and assume that resistance value is R.When
R2R4-R1R3=0, bridge balance, sensor output Uo=0；When the resistance of electric bridge stress, R1 and R3 all reduces Δ r, R2 and R4
Resistance all increase Δ r, now sensor output Uo：
As shown from the above formula, the timing of sensor input voltage Ui mono-, the Uo of sensor output with material weight into line
Property proportional relation, such LOAD CELLS just on belt convey weight of material be transformed into voltage signal Uo output.Weigh biography
The Uo of sensor output is the differential signal of mV magnitudes, during system acquisition differential signal, to pay close attention to the common-mode voltage model of differential signal
Enclose, when the common-mode voltage of electric bridge output it is too high, it is impossible to when meeting the required input of system signal collection, the number for gathering can be caused
According to error.
It is further used as preferred embodiment, 24 A/D sensors of the employing LOAD CELLS, the A/D conversions
Module is 24 A/D modular converters.
It is further used as preferred embodiment, also includes sampling filter module, the modular converter of weighing is by adopting
Sample filtration module is connected with processor.
Because the capacity of pan of a steelyard is certain, control circuit needs the speed of the current blanking of monitor in real time, prevents material from overflowing
Go out pan of a steelyard, causing trouble；In weighing process, have random vibration and background vibrations, need to by sample and filtering remove this two
Vibrations are planted, so as to obtain high-precision weighing data.
It is further used as preferred embodiment, distribute module is also included in the control circuit, for according to material
Type carries out charging control.
Because different material has different bulk densities, identical material shapes different stacking densities are also different, and in material
The difference of bucket height, the speed of blanking is also different, and control circuit is needed in real time according to the flowing of material type adjustment material
Speed.
Be further used as preferred embodiment, also include alarm module in the control circuit, the processor with
Alarm module connects.
With reference to Fig. 4, a kind of High Precision Automatic weighing and burden method includes following steps：
A, processor control the action of electromagnetic valve, solenoid-driven cylinder control according to the blanking order and target weight of setting
The switch of slip distributing valve processed；
B, the cutting stock weight in blanking process each time is monitored using LOAD CELLS, reaches and locate after target weight
Reason device control closed electromagnetic valve；
C, controller control stirring motor drive stirring paddle mix.
It is further used as preferred embodiment, step B specifically includes following sub-step：
B1, the cutting stock weight in blanking process each time is monitored using LOAD CELLS；
B2, the random vibration and background vibrations eliminated by sampling and filtering in weighing process；
B3, according to real-time cutting stock weight adjust electromagnetic valve, the flowing velocity of control material；
B4, reach target weight preprocessor control closed electromagnetic valve.
It is further used as preferred embodiment, step B2 is specially：
B21, the cutting stock weight value detected in t1, t2, t3 moment sequential sampling, obtain Y1, Y2, Y3；
If B22, | Y2-Y1|≤Δ E, then value cutting stock weight value is Y2；
If | Y2-Y1|>Δ E, and | Y3-Y2|≤Δ E, then value cutting stock weight value is Y3；
Otherwise value cutting stock weight value is (Y3+Y2)/2；
Wherein Δ E is the maximum deviation threshold value of setting.
Maximum deviation threshold value Δ E can set according to practical experience, if the value deviation that double sampling is obtained exceedes Δ E, table
There is larger interference signal in the bright input signal, should give rejecting, otherwise represent that sampled value is normal.
It is further used as preferred embodiment, in step B3, processor is according to real-time cutting stock weight and setting
Target weight, electromagnetic valve is adjusted using PID control.
With reference to Fig. 5, the inventive method adopts pid control algorithm, according to given input value r (t) and real output value y (t)
Difference constitute control deviation e (t), wherein, e (t)=r (t)-y (t), then PID control rule such as below equation is represented：
Wherein KPIt is proportional component coefficient, TiIt is integration time constant, TdIt is derivative time constant.
By pid control algorithm can real-time monitoring Flow of Goods and Materials speed, once find speed deviations setting value, control algolithm
Material blanking velocity will be automatically adjusted so as to be quickly returning to setting value, as long as speed no longer deviates, it is possible to prevent material from overflowing
Go out, failure is prevented in time.
It is further used as preferred embodiment, in step B, processor also controls electromagnetic valve by level sensor
Action：When level sensor detects material, close electromagnetic valve and control alarm modules signal an alert.
It is more than that the preferable enforcement to the present invention is illustrated, but the invention is not limited to the enforcement
Example, those of ordinary skill in the art can also make a variety of equivalents on the premise of without prejudice to spirit of the invention or replace
Change, the deformation or replacement of these equivalents are all contained in the application claim limited range.
Claims (10)
1. a kind of High Precision Automatic weighing and burden equipment, it is characterised in that：Include hopper, the weighing for setting gradually from top to bottom
Bucket and stir storehouse, are additionally provided with slip distributing valve between the hopper and scale hooper, on the scale hooper weighing and sensing is provided with
Device, the scale hooper bottom is provided with pan of a steelyard drain hole, and level sensor is provided with the stir storehouse, sets in the stir storehouse
Stirring paddle is equipped with, the stirring paddle is driven by stirring motor；It is additionally provided with control circuit, electromagnetic valve and cylinder, the control
Circuit is connected to cylinder for driving slip distributing valve, the control circuit to be further connected to pan of a steelyard drain hole by electromagnetic valve
And stirring motor, the LOAD CELLS and level sensor are connected to control circuit.
2. a kind of High Precision Automatic weighing and burden equipment according to claim 1, it is characterised in that：The LOAD CELLS
For single-point cantilever fine strain of millet LOAD CELLS or resistance strain weighing transducer, the control circuit includes processor, A/D conversions
Module, amplification module and modular converter of weighing, the LOAD CELLS passes sequentially through A/D modular converters, amplification module and weighs
Modular converter is connected to processor.
3. a kind of High Precision Automatic weighing and burden equipment according to claim 2, it is characterised in that：Also include sampling filter
Ripple module, the modular converter of weighing is connected by sampling filter module with processor.
4. a kind of High Precision Automatic weighing and burden equipment according to claim 2, it is characterised in that：In the control circuit
Distribute module is also included, for carrying out charging control according to material type.
5. a kind of High Precision Automatic weighing and burden equipment according to claim 2, it is characterised in that：In the control circuit
Alarm module is also included, the processor is connected with alarm module.
6. a kind of High Precision Automatic weighing and burden method, it is characterised in that：Include following steps：
A, processor control the action of electromagnetic valve according to the blanking order and target weight of setting, and the control of solenoid-driven cylinder is slided
The switch of dynamic distributing valve；
B, the cutting stock weight in blanking process each time is monitored using LOAD CELLS, reaches target weight preprocessor
Control closed electromagnetic valve；
C, controller control stirring motor drive stirring paddle mix.
7. a kind of High Precision Automatic weighing and burden method according to claim 6, it is characterised in that：Step B is concrete
Including following sub-step：
B1, the cutting stock weight in blanking process each time is monitored using LOAD CELLS；
B2, the random vibration and background vibrations eliminated by sampling and filtering in weighing process；
B3, according to real-time cutting stock weight adjust electromagnetic valve, the flowing velocity of control material；
B4, reach target weight preprocessor control closed electromagnetic valve.
8. a kind of High Precision Automatic weighing and burden method according to claim 7, it is characterised in that：Step B2 is concrete
For：
B21, in t1, t2, t3The cutting stock weight value that moment sequential sampling is detected, obtains Y1, Y2, Y3；
If B22, | Y2-Y1|≤Δ E, then value cutting stock weight value is Y2；
If | Y2-Y1|>Δ E, and | Y3-Y2|≤Δ E, then value cutting stock weight value is Y3；
Otherwise value cutting stock weight value is (Y3+Y2)/2；
Wherein Δ E is the maximum deviation threshold value of setting.
9. a kind of High Precision Automatic weighing and burden method according to claim 7, it is characterised in that：In step B3,
Processor is adjusted using PID control according to real-time cutting stock weight and the target weight of setting to electromagnetic valve.
10. a kind of High Precision Automatic weighing and burden method according to claim 6, it is characterised in that：In step B,
Processor also controls electromagnetism valve events by level sensor：When level sensor detects material, close electromagnetic valve and control
Alarm modules signal an alert processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610950858.3A CN106568493A (en) | 2016-10-27 | 2016-10-27 | High precision automatic weighing and dispensing equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610950858.3A CN106568493A (en) | 2016-10-27 | 2016-10-27 | High precision automatic weighing and dispensing equipment and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106568493A true CN106568493A (en) | 2017-04-19 |
Family
ID=58534956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610950858.3A Pending CN106568493A (en) | 2016-10-27 | 2016-10-27 | High precision automatic weighing and dispensing equipment and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106568493A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796501A (en) * | 2017-09-07 | 2018-03-13 | 广东工业大学 | A kind of more material mixing Weighing systems and its controller |
| CN108168661A (en) * | 2018-02-08 | 2018-06-15 | 中国农业大学 | A kind of on-line weighing system available for vibration environment |
| CN108375409A (en) * | 2018-02-24 | 2018-08-07 | 浙江中控技术股份有限公司 | A kind of flow control method, server and system of feeding intake of weighing of material |
| CN108508926A (en) * | 2018-03-09 | 2018-09-07 | 深圳市海浦蒙特科技有限公司 | The control method and frequency converter of frequency converter |
| CN108556168A (en) * | 2018-03-06 | 2018-09-21 | 嘉兴希卡姆复合材料有限公司 | A kind of production special batching mechanism of modified engineered plastic |
| CN109405939A (en) * | 2018-12-13 | 2019-03-01 | 昆山恒诚荣机械设备有限公司 | Single-point lifts poidometer measuring device |
| CN110091428A (en) * | 2019-05-28 | 2019-08-06 | 北京凯盛建材工程有限公司 | The blanking device and method of discharge quantity can be automatically adjusted |
| CN110091429A (en) * | 2019-05-28 | 2019-08-06 | 北京凯盛建材工程有限公司 | A kind of composite heat insulating wall board assembly line cloth system and distributing method |
| CN110118591A (en) * | 2019-05-10 | 2019-08-13 | 北京沄汇智能科技有限公司 | Micro-weighing control method, device, storage medium and computer equipment |
| CN110657873A (en) * | 2018-06-29 | 2020-01-07 | 福建南方路面机械有限公司 | Accurate automatic weighing and batching device and using method thereof |
| CN112345054A (en) * | 2019-08-09 | 2021-02-09 | 四川东华计量检测技术有限公司 | Material weighing measuring instrument |
| CN112754292A (en) * | 2021-01-27 | 2021-05-07 | 广东智源机器人科技有限公司 | Discharging control method and system, controller, storage medium and beverage machine |
| CN110091429B (en) * | 2019-05-28 | 2024-05-03 | 北京凯盛建材工程有限公司 | Material distribution system and material distribution method for composite heat-insulating wallboard production line |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042671U (en) * | 1989-01-28 | 1989-08-16 | 柳祖翼 | Weighing and compounding device for feed |
| CN102818614A (en) * | 2012-09-07 | 2012-12-12 | 北京贝瑞德生物科技有限公司 | Weighing device and method |
| CN203163858U (en) * | 2012-12-28 | 2013-08-28 | 南京金杉汽车工程塑料有限责任公司 | Automatic weighing system |
| CN103852144A (en) * | 2012-12-04 | 2014-06-11 | 梅特勒-托利多(常州)精密仪器有限公司 | Weighing system with continuous weighing function and weighing method |
| CN104457941A (en) * | 2013-09-24 | 2015-03-25 | 赵立平 | Automatic weighing device |
| CN104457942A (en) * | 2014-12-15 | 2015-03-25 | 枣庄学院 | Precision batching system and method |
-
2016
- 2016-10-27 CN CN201610950858.3A patent/CN106568493A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042671U (en) * | 1989-01-28 | 1989-08-16 | 柳祖翼 | Weighing and compounding device for feed |
| CN102818614A (en) * | 2012-09-07 | 2012-12-12 | 北京贝瑞德生物科技有限公司 | Weighing device and method |
| CN103852144A (en) * | 2012-12-04 | 2014-06-11 | 梅特勒-托利多(常州)精密仪器有限公司 | Weighing system with continuous weighing function and weighing method |
| CN203163858U (en) * | 2012-12-28 | 2013-08-28 | 南京金杉汽车工程塑料有限责任公司 | Automatic weighing system |
| CN104457941A (en) * | 2013-09-24 | 2015-03-25 | 赵立平 | Automatic weighing device |
| CN104457942A (en) * | 2014-12-15 | 2015-03-25 | 枣庄学院 | Precision batching system and method |
Non-Patent Citations (2)
| Title |
|---|
| 付贺檀 等: "基于PLC的助剂配送自动控制系统", 《机电工程》 * |
| 胡向东 等: "《现代检测技术与系统》", 28 February 2015 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796501A (en) * | 2017-09-07 | 2018-03-13 | 广东工业大学 | A kind of more material mixing Weighing systems and its controller |
| CN108168661A (en) * | 2018-02-08 | 2018-06-15 | 中国农业大学 | A kind of on-line weighing system available for vibration environment |
| CN108375409A (en) * | 2018-02-24 | 2018-08-07 | 浙江中控技术股份有限公司 | A kind of flow control method, server and system of feeding intake of weighing of material |
| CN108556168A (en) * | 2018-03-06 | 2018-09-21 | 嘉兴希卡姆复合材料有限公司 | A kind of production special batching mechanism of modified engineered plastic |
| CN108508926A (en) * | 2018-03-09 | 2018-09-07 | 深圳市海浦蒙特科技有限公司 | The control method and frequency converter of frequency converter |
| CN110657873A (en) * | 2018-06-29 | 2020-01-07 | 福建南方路面机械有限公司 | Accurate automatic weighing and batching device and using method thereof |
| CN109405939A (en) * | 2018-12-13 | 2019-03-01 | 昆山恒诚荣机械设备有限公司 | Single-point lifts poidometer measuring device |
| CN109405939B (en) * | 2018-12-13 | 2023-12-08 | 昆山恒诚荣机械设备有限公司 | Single-point hoisting weighing meter |
| CN110118591A (en) * | 2019-05-10 | 2019-08-13 | 北京沄汇智能科技有限公司 | Micro-weighing control method, device, storage medium and computer equipment |
| CN110091428A (en) * | 2019-05-28 | 2019-08-06 | 北京凯盛建材工程有限公司 | The blanking device and method of discharge quantity can be automatically adjusted |
| CN110091429A (en) * | 2019-05-28 | 2019-08-06 | 北京凯盛建材工程有限公司 | A kind of composite heat insulating wall board assembly line cloth system and distributing method |
| CN110091429B (en) * | 2019-05-28 | 2024-05-03 | 北京凯盛建材工程有限公司 | Material distribution system and material distribution method for composite heat-insulating wallboard production line |
| CN110091428B (en) * | 2019-05-28 | 2024-05-03 | 北京凯盛建材工程有限公司 | Discharging device and method capable of automatically adjusting discharging amount |
| CN112345054A (en) * | 2019-08-09 | 2021-02-09 | 四川东华计量检测技术有限公司 | Material weighing measuring instrument |
| CN112754292A (en) * | 2021-01-27 | 2021-05-07 | 广东智源机器人科技有限公司 | Discharging control method and system, controller, storage medium and beverage machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106568493A (en) | High precision automatic weighing and dispensing equipment and method | |
| CN102556629B (en) | Intelligent automatic dosing control system | |
| CN103302747A (en) | Concrete mixing plant control system | |
| CN101122778A (en) | Embedded type weighing system based on intelligent fuzzy control | |
| CN101532872B (en) | Weighing controlling device and method of electronic belt scale | |
| CN101852640A (en) | Weighing system with multipoint correction and control and weighing and correcting methods thereof | |
| CN105501884B (en) | A kind of mine production capacity remotely monitoring and service system | |
| CN107551951A (en) | One kind is gathered materials intelligent feed proportioning system and method | |
| CN101532869A (en) | Weighing control device of hopper scale and method thereof | |
| CN101275866A (en) | Automatic weighing type fluid state material metering instrument | |
| CN206703299U (en) | A kind of aggregate bin of automatic controlled height | |
| CN111537019B (en) | Combined fermentation reactor temperature and humidity sensor and humidity compensation method thereof | |
| CN205483215U (en) | Distributed automatic weighing controlling means prepares burden | |
| CN210090940U (en) | Coal feeder coal volume calculation calibration and control system based on DCS | |
| CN104552609A (en) | Formula setting quantity follow-up adjustment system and formula setting quantity follow-up adjustment method | |
| CN104019880A (en) | Belt weigher remote calibration system based on incremental weight stacking | |
| CN201622103U (en) | Feed weighing system | |
| CN203443659U (en) | Bunker scale with horizontal detection and adjustment device | |
| CN105547447A (en) | Coriolis scale accuracy detection method and device based on material test | |
| CN101008582B (en) | Online material calibration apparatus for belt scales | |
| CN105919149B (en) | A kind of grease automatic adding device based on PLC control system | |
| CN202582686U (en) | Precise metering device for calcium carbide furnace charge | |
| CN210244166U (en) | Constant flow control device | |
| CN103616065B (en) | A kind of batching control system | |
| CN1785074A (en) | Perfuming/charging method for tobacco scrap prodn. line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170419 |