CN107643322A - Quality determining method and device - Google Patents
Quality determining method and device Download PDFInfo
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- CN107643322A CN107643322A CN201710839431.0A CN201710839431A CN107643322A CN 107643322 A CN107643322 A CN 107643322A CN 201710839431 A CN201710839431 A CN 201710839431A CN 107643322 A CN107643322 A CN 107643322A
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Abstract
The invention provides a kind of quality determining method and device, it is related to building material field.The quality determining method is applied to quality detection device, and methods described includes：During mixer is stirred, the real-time bus current of the mixer output is obtained；Based on bus current and the standard curve in real time, judge the current match ratio of current concrete in the mixer whether in the range of standard mix.It is quality determining method and device economical rationality provided by the invention, simple to operate, can be in the quality requirement required for whether the match ratio for judging current concrete during mixer is stirred in time meets user, it is easy to user to adjust match ratio in time when current match ratio is unsatisfactory for quality requirement in case mixing and stirring next time, effectively reduce concrete mixes and stirs loss.
Description
Technical field
The present invention relates to building material field, in particular to a kind of quality determining method and device.
Background technology
In recent years, as national basis builds further enhancing for dynamics, demand and day of the building trade to concrete
It is all to increase.The stirring of concrete is the process that water, cement and coarse-fine aggregate and additive are uniformly mixed and stirred and mixed, small range
The requirement mixed and stirred to the time of Mechanical coagulation soil it is very strict, from starting plus water is counted, all operationss time must be in 30min
Complete.In general, the conventional method of inspection, examine whether it mixes and stirs fully by v funnel testings, meet mixing for requirement
It can just be used for job site with thing.As can be seen here, during concrete mixes and stirs, the requirement to time and raw material is very high,
The quality control of mix is the important step of construction.
The reinforcing and plasticizing mixing and stirring quality and directly affect material of concrete, its moisture content of the concrete to stir are empty
Gap interval, aggregate intensity all have important influence to the intensity of material, directly affect overall mechanical properties and durability.
But technology is mixed and stirred existing, typically according to specification and the demand of concrete strength, determine in advance
Match ratio, i.e. quality control.Whether each material is stirred during stirring fully, only by stirring the slump after completing
Degree experiment and v funnel testings, verify whether it stirs fully.
Secondly, mixing time is to influence the another factor of intensity, and from starting plus water is counted, all operationss time must be
Complete in 30min, the control range for mixing and stirring quality of mixing time is limited, often cause in practice whipping process it is undesirable because
Element is still not clear.So in practice of construction, concrete loss considerably increases construction cost much larger than require 5%.
The content of the invention
It is an object of the invention to provide a kind of quality determining method and device, and it can be effectively improved above mentioned problem.
What embodiments of the invention were realized in：
In a first aspect, the embodiments of the invention provide a kind of quality determining method, applied to quality detection device, the side
Method includes：During mixer is stirred, the real-time bus current of the mixer output is obtained；Based on described real-time
Bus current and standard curve, judge the current match ratio of current concrete in the mixer whether in standard mix model
In enclosing.
Second aspect, the embodiment of the present invention additionally provide a kind of quality detection device, and it includes electric current acquisition module, is used for
During mixer is stirred, the real-time bus current of the mixer output is obtained；Quality estimation module, for base
In bus current and the standard curve in real time, judge whether the current match ratio of the current concrete in the mixer is being marked
In the range of quasi- match ratio.
The third aspect, the embodiment of the present invention additionally provide a kind of quality detection device, and it includes current sampling unit and control
Unit processed, the current sampling unit are arranged on mixer, and the current sampling unit connects with described control unit, in institute
State during mixer is stirred, the current sampling unit is used for the real-time bus electricity for obtaining the mixer output
Stream；Described control unit, for based on bus current and the standard curve in real time, judging the current coagulation in the mixer
Whether the current match ratio of soil is in the range of standard mix.
Quality determining method and device provided in an embodiment of the present invention, during being stirred in mixer, are obtained
The real-time bus current of the mixer output is taken, to be stirred in the mixer according to the bus current real-time characterization
Current concrete state；Again based on bus current and the standard curve in real time, judge current mixed in the mixer
The current match ratio of soil is coagulated whether in the range of standard mix, to know the current concrete stirred in the mixer
Current match ratio whether conform to quality requirements, to carry out follow-up pause stirring in time or to continue the processing of stirring.
Compared to the prior art, quality determining method and device economical rationality provided by the invention, simple to operate, can enter in mixer
The state for the current concrete that mixer is stirring is obtained during row stirring in real time, judges working as current concrete in time
Whether preceding match ratio meets whether the requirement of standard mix meets the quality requirement required for user, and is easy to user working as
Match ratio is adjusted when preceding match ratio is unsatisfactory for quality requirement in time in case mixing and stirring next time, effectively reduces mixing and stirring for concrete
Loss.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is a kind of structured flowchart for the electronic equipment that can be applied in the embodiment of the present invention；
Fig. 2 is the FB(flow block) for the quality determining method that first embodiment of the invention provides；
Fig. 3 is the sub-step FB(flow block) of step S210 in first embodiment of the invention；
Fig. 4 is the FB(flow block) of the first preferred scheme of the quality determining method that first embodiment of the invention provides；
Fig. 5 is the FB(flow block) of second of preferred scheme of the quality determining method that first embodiment of the invention provides；
Fig. 6 is the FB(flow block) of the third preferred scheme of the quality determining method that first embodiment of the invention provides；
Fig. 7 is the structured flowchart for the quality detection device that second embodiment of the invention provides；
Fig. 8 is the structured flowchart for the Quality estimation module that second embodiment of the invention provides；
Fig. 9 is the structured flowchart for the quality detection device that third embodiment of the invention provides.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Generally exist
The component of the embodiment of the present invention described and illustrated in accompanying drawing can be configured to arrange and design with a variety of herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.Meanwhile the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
Fig. 1 shows a kind of structured flowchart for the electronic equipment 100 that can be applied in the embodiment of the present application.As shown in figure 1,
Electronic equipment 100 can include memory 110, storage control 120, processor 130, display screen 140 and quality testing dress
Put.For example, the electronic equipment 100 can be PC (personal computer, PC), tablet personal computer, smart mobile phone,
Personal digital assistant (personal digital assistant, PDA) etc..
It is directly or indirectly electric between memory 110, storage control 120, processor 130,140 each element of display screen
Connection, to realize the transmission of data or interaction.For example, one or more communication bus or signal can be passed through between these elements
Bus realizes electrical connection.The quality determining method respectively include it is at least one can be with the shape of software or firmware (firmware)
Formula is stored in the software function module in memory 110, such as the software function module or meter that the quality detection device includes
Calculation machine program.
Memory 110 can store various software programs and module, the quality testing side provided such as the embodiment of the present application
Programmed instruction/module corresponding to method and device.Processor 130 by run storage software program in the memory 110 and
Module, so as to perform various function application and data processing, that is, realize the quality determining method in the embodiment of the present application.Storage
Device 110 can include but is not limited to random access memory (Random Access Memory, RAM), read-only storage (Read
Only Memory, ROM), programmable read only memory (Programmable Read-Only Memory, PROM) is erasable
Read-only storage (Erasable Programmable Read-Only Memory, EPROM), electricallyerasable ROM (EEROM)
(Electric Erasable Programmable Read-Only Memory, EEPROM) etc..
Processor 130 can be a kind of IC chip, have signal handling capacity.Above-mentioned processor can be general
Processor, including central processing unit (Central Processing Unit, abbreviation CPU), network processing unit (Network
Processor, abbreviation NP) etc.；It can also be digital signal processor (DSP), application specific integrated circuit (ASIC), ready-made programmable
Gate array (FPGA) either other PLDs, discrete gate or transistor logic, discrete hardware components.It can
To realize or perform disclosed each method, step and the logic diagram in the embodiment of the present application.General processor can be micro-
Processor or the processor can also be any conventional processors etc..
Electronic equipment 100 applied in the embodiment of the present invention is to realize quality testing, should also be possessed from display function, its
In display screen 140 can be provided between the electronic equipment 100 and user an interactive interface (such as user operate boundary
Face) or for display image data give user reference.For example, can be with bus current that display quality detection means detects at any time
Between and change curve and standard curve.
First embodiment
Fig. 2 is refer to, present embodiments provides a kind of quality determining method, applied to quality detection device, methods described
Including：
Step S200：During mixer is stirred, the real-time bus current of the mixer output is obtained；
For the different mix of uniform mixing degree, the ratio of each chemical composition is different in its mixture, the change of generation
It is also different to learn weak current caused by reaction.Therefore, in the present embodiment, by being stirred in mixer during obtain described in
The real-time weak current of mixer output is real-time bus current, can characterize stirring to a certain extent by the real-time bus current
The current concrete stirred in machine mixes and stirs state.It should be noted that because power is linearly related to electric current, this reality
Apply in example, the real-time current can also be scaled the real-time power output of mixer, and be characterized by real-time power output
The current concrete stirred in mixer mixes and stirs state.
Step S210：Based on bus current and the standard curve in real time, the current concrete in the mixer is judged
Current match ratio whether in the range of standard mix.
Under a certain concrete strength standard, for quality it is good, mix and stir sufficient concrete i.e. match ratio and match somebody with somebody for standard
The concrete of composition and division in a proportion, can there are typical a current versus time curve or power against time curve during actually mixing and stirring, should
Curve can be used as standard curve to form reference with real-time bus current.For example, judge the real-time bus current that currently obtains with
Whether the trend of time deviates the standard curve, if in real time bus current with the trend of time near standard curve,
Bus current value in a certain agitation phases is identical or approximate with the current value on standard curve, it is believed that current concrete
State of mixing and stirring be in the range of standard state, then the current match ratio of current concrete be in the range of standard mix,
Meet the quality requirement that the standard mix scope is characterized；On the contrary, if bus current is in same agitation phases in real time
Trend and standard curve are partially too far away, beyond normal range (NR), now it is believed that the state of mixing and stirring of current concrete is in
Outside standard state scope, i.e., the current match ratio of current concrete is outside standard mix scope, working as under the current match ratio
It is impossible to meet quality requirement for preceding concrete.
In the present embodiment, when the current match ratio of the current concrete in the mixer is in the range of standard mix
When, it is believed that current match ratio meets quality requirement, can continue to stir up to the stirring of current concrete is fully used as subsequently normally
Use；When the current match ratio of the current concrete in the mixer is not in the range of standard mix, it is believed that current
Match ratio is unsatisfactory for quality requirement, now immediately mixer can be allowed to be stopped, and is easy to repair the match ratio of concrete
Change adjustment, avoid the waste of the costs such as time, the energy, material.
Fig. 3 is refer to, in the present embodiment, specifically, the step S210 can include following sub-step：
Step S300：Based on the real-time bus current, bus current-time graph is obtained；
Real-time bus current value according to obtaining in real time changes with time, and bus current-time graph is built, with more
Intuitively reflect that real-time bus current changes with time process in different time sections.
Step S310：Obtain the degree that is consistent of the bus current-between time graph and standard curve；
In the present embodiment, the bus current-time graph and the standard curve can be shown in the same coordinate system,
Close degree is the journey that is consistent between the two curves between the bus current-time graph and the standard curve
Degree.If bus current-the time graph changed with time in certain time period in all the time close to the standard curve,
The degree height that is consistent being considered as between the bus current-time graph and the standard curve；If it is described bus current-when
Half interval contour is gradually deviated from or deviateed all the time the standard curve in being changed with time in certain time period, then it is assumed that the mother
The degree that is consistent between line current-time graph and the standard curve is low.Specifically, bus electricity in certain time period can be passed through
The variance of stream-time graph value and standard curve value represents the phase of the bus current-between time graph and standard curve
Symbol degree.
Step S320：Based on the degree that is consistent, judging the current match ratio of the current concrete in the mixer is
It is no in the range of standard mix.
In the present embodiment, when the degree that is consistent is less than a certain threshold value, it is believed that the current coagulation in the mixer
For the current match ratio of soil not in the range of standard mix, i.e., current match ratio is unqualified, is unsatisfactory for quality requirement；When the phase
When symbol degree is higher than a certain threshold value, it is believed that the current match ratio of the current concrete in the mixer is in standard mix model
In enclosing, i.e., current match ratio is qualified, meets quality requirement.The a certain threshold value can be according to the strong concrete scale pre-established
Standard is set, and the threshold value not necessarily requires the bus current-be consistent completely between time graph and standard curve, Ke Yishi
There is certain tolerance, within the range, the intensity of concrete can meet quality requirement.Likewise, standard mix
Range Representation is that current match ratio is not necessarily identical with standard mix, as long as current match ratio is in the standard mix
In the range of when, it is believed that the quality of mixing and stirring of current concrete meets to require.
In the present embodiment, specifically, the step S310 can also include following sub-step in implementation process：
First obtained between the trend trend of the bus current-time graph and the trend trend of standard curve is consistent
Degree；And/or
Obtain the bus current-time graph the default stage slope and standard curve the default stage slope it
Between second be consistent degree；And/or
Obtain the third phase symbol between the initial time of the bus current-time graph and the initial time of standard curve
Degree；And/or
The value for obtaining the bus current-time graph starting point is consistent with the 4th between the value of standard curve starting point
Degree.
In the present embodiment, the trend trend of the bus current-time graph refers to the trend trend of standard curve
Variation tendency of the curve with the time substantially.For example, in certain time period, the bus current-time graph and the standard
Curve is to rise or fall or gently, then it is assumed that the bus current-time graph and standard curve within the period
Trend move towards identical, described first is consistent degree height；If conversely, within the period bus current-time graph and
The tendency of the standard curve is different, such as standard curve is rising, and bus current-time graph is gentle or declined, then
First degree that is consistent is low.
In the present embodiment, slope of the bus current-time graph in the default stage is being preset with standard curve
The slope in stage, it is more accurate judgment mode for variation tendency.For example, can calculate the bus current-
Time graph the default stage slope and standard curve in the difference of the slope in default stage, the difference is closer to 0, the mother
The slope of line current-time graph and standard curve is closer, then second degree that is consistent is higher；On the contrary, slope difference is absolute
Value is bigger, and second degree that is consistent is lower.Particularly, when the curve in the default stage has rising, decline or gently more
When kind moves towards combination, multiple periods can be divided within the default stage, and calculate the slope difference in each period,
The second height for being consistent degree is finally judged according to the average value of slope differences in each stage.It is it is worth noting that, described pre-
If the stage can be a certain representative period, such as be arrived from standard curve since at the time of gently being changed into rising
Standard curve from rising be changed into gentle at the time of untill, what the default stage can characterize concrete to a certain extent mixes and stirs shape
State.
In the present embodiment, the initial time of the bus current-time graph and the initial time of standard curve refer to
At the time of certain time period inner curve starts to change.Such as 0 between t, standard curve is in t1Moment is from flat
Gradual is to rise, then t1Moment is the initial time of standard curve；And bus current-time graph is in t2Moment is from being gently changed into
Rise, then t2Moment is the initial time of bus current-time graph.It is understood that work as | t1-t2| when bigger, third phase
Symbol degree is lower；When | t1-t2| more hour, third phase symbol degree are higher.Particularly, when curve has multiple risings, decline or flat
It is slow when moving towards, it can move towards to define multiple stages according to multiple, at the time of curve starts to occur move towards to change in each stage i.e.
For the starting point of curve at this stage, if there is multiple starting points, can be existed according to bus current-time graph and standard curve
The time difference of each starting point considers the height of third phase symbol degree.
In the present embodiment, the value of the value and standard curve starting point of the bus current-time graph starting point refers to
Corresponding current value or performance number at the time of certain time period inner curve starts to change.Such as 0 to t it
Between, t1Moment be standard curve initial time, t2Moment be bus current-time graph initial time, t1Corresponding value is
γ1, t2Corresponding value is γ2, when | γ1-γ2| when bigger, the 4th degree that is consistent is lower；When | γ1-γ2| more hour, the 4th phase
Symbol degree is higher.Likewise, when curve has multiple starting points, can be existed according to bus current-time graph and standard curve
The current value of each starting point or performance number consider the 4th height for being consistent degree.
Above-mentioned first be consistent degree, second be consistent degree, third phase symbol degree, the 4th be consistent degree can be used as this
Bus current-time graph and the degree that is consistent of standard curve in embodiment, i.e., at least choose one kind of the above as bus
The degree that is consistent of current versus time curve and standard curve.When choose first be consistent degree, second be consistent degree, third phase symbol journey
Degree, the 4th be consistent in degree it is multiple as influence be consistent degree standard when, can be assigned according to the important gender gap of each several part
Different weights is given, then the last degree that is consistent is obtained by calculating.
It is understood that each above-mentioned is consistent, the standard of degree does not require bus current-time graph and mark
Directrix curve is completely superposed, but allows certain error range be present, when the degree that is consistent is in the error range, it was demonstrated that female
Line current-time graph has same or analogous changing rule with standard curve, now the current match ratio of current concrete
In the range of standard mix, the quality that concrete mixes and stirs meets quality requirement.Specific quantitative criteria, can be according to actual feelings
The difference of condition formulates different standard mix scopes.
It refer to Fig. 4, in the present embodiment, following steps can also be carried out after the step S300：
Step S400：Whether stablized based on the bus current-time graph in the range of pre-determined stability, stirred described in judgement
Mix whether the current concrete in machine stirs fully.
The history feature that electric current according to obtaining in real time changes over time i.e. bus current-time graph, can be to mixing and stirring
Time is controlled.When the bus current-time graph tend towards stability and stably in the range of pre-determined stability when, it is believed that
Current concrete in mixer is agitated fully, and control mixer now may be selected and be stopped, and saves needed for stirring
The time wanted.The pre-determined stability scope, can be the bound of a certain current value, when the bus current exists with time stabilization
When no longer occurring significantly to rise or fall between the bound of the current value, it is believed that the now power output of mixer
Stable, the big change that the current concrete in mixer no longer occurs on component structure stirs.
It refer to Fig. 5, in the present embodiment, following steps can also be carried out after the step S300：
Step S500：Obtain the concrete strength under the current match ratio；
The concrete of the current concrete under current match ratio can be obtained by the detection method of various concrete strengths
Intensity.
Step S510：Establish bus current-time graph concrete corresponding with concrete strength and mix and stir database.
The corresponding concrete mix of each bus current-time graph, and bus current-time graph and coagulation
The correlation of native intensity can represent the correlation of concrete mix and concrete strength, thus concrete mix and stir database can
There to be the data of concrete mix, bus current-time graph and concrete strength three.
It refer to Fig. 6, in the present embodiment, following steps can also be carried out after the step S510：
Step S600：Standard curve and deficiency under the various intensity requirements of database acquisition is mixed and stirred according to the concrete
Curve.
Corresponding one or a series of mother under each intensity requirement can be extracted by being mixed and stirred from above-mentioned concrete in database
Line current-time graph, and meet that bus current-time graph of strength criterion can be bent as the standard under the strength criterion
Line, and intensity is relatively low that it is impossible to meet bus current-time graph of strength criterion to be optimized as deficiency curve.
The quality determining method that the present embodiment provides, the shape of mix can be monitored in real time during mixer stirs
State, without etc. it is to be mixed after the completion of the quality of concrete is detected again, the economical rationality of this method implementation process, operation
Simply, its testing result can be exported in the form of Excel forms, be easy to as the cooperation mixed and stirred offer and more optimized next time
Than reduce concrete mixes and stirs loss.
Second embodiment
Fig. 7 is refer to, present embodiments provides a kind of quality detection device 700, it includes：
Electric current acquisition module 710, during being stirred in mixer, obtain the real-time of the mixer output
Bus current；
Quality estimation module 720, for based on bus current and the standard curve in real time, judging in the mixer
Whether the current match ratio of current concrete is in the range of standard mix.
Fig. 8 is refer to, in the present embodiment, specifically, Quality estimation module 720 can include such as lower unit：
Curve obtaining unit 800, for based on the real-time bus current, obtaining bus current-time graph；
The degree that is consistent obtaining unit 810, for obtaining the bus current-being consistent between time graph and standard curve
Degree；
Quality estimation unit 820, for based on the degree that is consistent, judging working as the current concrete in the mixer
Whether preceding match ratio is in the range of standard mix.
Further, in the present embodiment, it is described be consistent degree obtaining unit 810 can also including first be consistent degree obtain
Subelement, second be consistent degree obtain subelement, third phase symbol degree obtain subelement, the 4th be consistent degree obtain subelement in
At least one, wherein,
Described first be consistent degree obtain subelement, for obtain the bus current-time graph trend move towards with
First between the trend trend of standard curve is consistent degree；
Described second degree that is consistent obtains subelement, for obtaining the bus current-time graph in the default stage
Slope and standard curve second being consistent degree between the slope in default stage；
Third phase symbol degree obtains subelement, for obtain the initial time of the bus current-time graph with
Third phase symbol degree between the initial time of standard curve；
Described 4th degree that is consistent obtains subelement, for obtain the value of the bus current-time graph starting point with
The 4th between the value of standard curve starting point is consistent degree.
3rd embodiment
Fig. 9 is refer to, present embodiments provides a kind of quality detection device 900, it includes current sampling unit 910 and control
Unit 920 processed, the current sampling unit 910 can be arranged on mixer, the current sampling unit 910 and the control
Unit 920 connects.
During the mixer is stirred, the current sampling unit 910 is defeated for obtaining the mixer
The real-time bus current gone out；Described control unit 920, for based on bus current and the standard curve in real time, described in judgement
Whether the current match ratio of the current concrete in mixer is in the range of standard mix.
In the present embodiment, it can carry out data transmission between the current sampling unit 910 and described control unit 920,
The real-time bus current that control unit 920 can gather according to current sampling unit 910, contrast standard curve, and then judge to work as
Whether whether the current match ratio of preceding concrete meets quality requirement, and mix and stir fully.
In summary, quality determining method and device provided in an embodiment of the present invention, pass through what is be stirred in mixer
During, the real-time bus current that the mixer exports is obtained, according to mixer described in the bus current real-time characterization
In the state of current concrete that is stirring；Again based on bus current and the standard curve in real time, the mixer is judged
In current concrete current match ratio whether in the range of standard mix, to know what is stirred in the mixer
Whether the current match ratio of current concrete conforms to quality requirements, to carry out follow-up pause stirring in time or to continue to stir
The processing mixed.Compared to the prior art, quality determining method and device economical rationality provided by the invention, simple to operate, can
Obtain the state for the current concrete that mixer is stirring in real time during mixer is stirred, judge in time current
Whether the current match ratio of concrete meets whether the requirement of standard mix meets the quality requirement required for user, and just
Match ratio is adjusted in time in case mixing and stirring next time, is effectively reduced mixed when current match ratio is unsatisfactory for quality requirement in user
Solidifying soil mixes and stirs loss.The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for ability
For the technical staff in domain, the present invention can have various modifications and variations.Within the spirit and principles of the invention, made
Any modification, equivalent substitution and improvements etc., should be included in the scope of the protection.
Claims (10)
1. a kind of quality determining method, applied to quality detection device, it is characterised in that methods described includes：
During mixer is stirred, the real-time bus current of the mixer output is obtained；
Based on bus current and the standard curve in real time, judging the current match ratio of the current concrete in the mixer is
It is no in the range of standard mix.
2. according to the method for claim 1, it is characterised in that based on bus current and the standard curve in real time, judge
The current match ratio of current concrete in the mixer whether in the range of standard mix, including：
Based on the real-time bus current, bus current-time graph is obtained；
Obtain the degree that is consistent of the bus current-between time graph and standard curve；
Based on the degree that is consistent, judge the current match ratio of current concrete in the mixer whether in standard mix
In the range of.
3. according to the method for claim 2, it is characterised in that obtain the bus current-time graph and standard curve
Between the degree that is consistent, including：
First between the trend trend of the bus current-time graph and the trend of standard curve trend is obtained to be consistent journey
Degree；And/or
Bus current-the time graph is obtained in the slope and standard curve in default stage between the slope in default stage
Second is consistent degree；And/or
Obtain the third phase symbol journey between the initial time of the bus current-time graph and the initial time of standard curve
Degree；And/or
The between the value of the bus current-time graph starting point and the value of standard curve starting point the 4th is obtained to be consistent journey
Degree.
4. according to the method for claim 2, it is characterised in that methods described also includes：
Whether stablized based on the bus current-time graph in the range of pre-determined stability, judged current in the mixer
Whether concrete stirs fully.
5. according to the method for claim 2, it is characterised in that methods described also includes：
Obtain the concrete strength under the current match ratio；
Establish bus current-time graph concrete corresponding with concrete strength and mix and stir database.
6. according to the method for claim 5, it is characterised in that methods described also includes：
Standard curve and deficiency curve under the various intensity requirements of database acquisition is mixed and stirred according to the concrete.
A kind of 7. quality detection device, it is characterised in that including：
Electric current acquisition module, during being stirred in mixer, obtain the real-time bus electricity of the mixer output
Stream；
Quality estimation module, for based on bus current and the standard curve in real time, judging current mixed in the mixer
The current match ratio of soil is coagulated whether in the range of standard mix.
8. device according to claim 7, it is characterised in that the Quality estimation module includes：
Curve obtaining unit, for based on the real-time bus current, obtaining bus current-time graph；
The degree that is consistent obtaining unit, for obtaining the degree that is consistent of the bus current-between time graph and standard curve；
Quality estimation unit, for based on the degree that is consistent, judging the current cooperation of the current concrete in the mixer
Than whether in the range of standard mix.
9. device according to claim 8, it is characterised in that the degree obtaining unit that is consistent is consistent degree including first
Obtain subelement, second be consistent that degree obtains subelement, third phase symbol degree obtains subelement, the 4th is consistent that to obtain son single for degree
At least one of member, wherein,
Described first be consistent degree obtain subelement, for obtain the bus current-time graph trend move towards and standard
First between the trend trend of curve is consistent degree；
Described second degree that is consistent obtains subelement, for obtaining slope of the bus current-time graph in the default stage
With standard curve second being consistent degree between the slope in default stage；
The third phase symbol degree obtains subelement, for obtaining the initial time and standard of the bus current-time graph
Third phase symbol degree between the initial time of curve；
Described 4th be consistent degree obtain subelement, for obtaining the value and standard of the bus current-time graph starting point
The 4th between the value of curve starting point is consistent degree.
A kind of 10. quality detection device, it is characterised in that including current sampling unit and control unit, the current sample list
Member is arranged on mixer, and the current sampling unit connects with described control unit,
During the mixer is stirred, the current sampling unit is used to obtain the real-time of the mixer output
Bus current；
Described control unit, for based on bus current and the standard curve in real time, judging current mixed in the mixer
The current match ratio of soil is coagulated whether in the range of standard mix.
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