CN109297579A - A kind of scaling method of weighing device, system and terminal device - Google Patents
A kind of scaling method of weighing device, system and terminal device Download PDFInfo
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- CN109297579A CN109297579A CN201811230245.8A CN201811230245A CN109297579A CN 109297579 A CN109297579 A CN 109297579A CN 201811230245 A CN201811230245 A CN 201811230245A CN 109297579 A CN109297579 A CN 109297579A
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- weighing
- numerical value
- weighing sensor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
- G01G23/012—Testing or calibrating of weighing apparatus with load cells comprising in-build calibration weights
Abstract
The present invention is suitable for weighing technology field, provide a kind of scaling method of weighing device, system and terminal device, the scaling method includes: after calibration counterweight is placed on the weighing unit, obtain the output numerical value of each weighing sensor, and primary vector is obtained according to the output numerical value, after being placed into the weighing unit again by m calibration counterweight, obtain m primary vector, m is greater than or equal to n, wherein, m placement position of the calibration counterweight be not all the same, the linear compensation factors of each weighing sensor are determined according to the m primary vector, the computation model of the output weight value of the weighing device is constructed according to the linear compensation factors, without manually adjusting the resistance value of potentiometer repeatedly, time needed for reducing calibration weighing device, improve calibration efficiency, and by During the calibration process, terminal box is not needed, saves manufacturing cost.
Description
Technical field
The invention belongs to weighing technology field more particularly to a kind of scaling methods of weighing device, system and terminal device.
Background technique
Electronic scale is generally used to weigh to object, when the weighting platform of electronic scale is larger, then multiple weighings is needed to pass
Sensor joint group claims, and to keep weighting platform horizontal in weighing, avoids the influence of lateral force.When the line of the weighing sensor of electronic scale
Property degree is the same, then for the weighed object of same weight, no matter weighed object is placed on any position of weighting platform
It sets, the sum of output valve of weighing sensor is the same, and for the object of different weight, the output valve of weighing sensor
The sum of be linear.But the linearity of actually each weighing sensor has small difference, when the same object is placed
In the different location of weighting platform, electronic scale will obtain different weighing numerical value.Therefore, it is necessary to be demarcated to electronic scale, with
Overcoming the linearity difference bring of weighing sensor influences.
In the prior art, when demarcating to electronic scale, related personnel is by each of electronic scale weighing sensor
More electric wires it is in parallel respectively by terminal box according to function difference, then more electric wires after parallel connection are passed through into terminal box
It is linked into the weighing instrument of electronic scale, in order to allow the registration of weighing instrument not influenced by object institute placement location is weighed,
And it is in a linear relationship to the weight of weighed amount object, it needs to manually adjust the resistance value of potentiometer in terminal box repeatedly, is taken
Between it is long, demarcate low efficiency.Therefore, in the prior art by way of manually being demarcated to electronic scale there are adjustment time it is long with
And the problem of calibration low efficiency.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of scaling method of weighing device, system and terminal device, with solution
Certainly there are problems that adjustment time is long by way of manually demarcating to electronic scale in the prior art and demarcates low efficiency.
The first aspect of the embodiment of the present invention provides a kind of scaling method of weighing device, and the weighing device includes n
A weighing sensor and weighing unit, n are positive integer；
The scaling method includes:
After calibration counterweight is placed on the weighing unit, the output numerical value of each weighing sensor is obtained, and
Primary vector is obtained according to the output numerical value；
After being placed into the weighing unit again by m calibration counterweight, m primary vector is obtained, m is greater than or equal to
N, wherein m placement position of the calibration counterweight be not all the same；
The linear compensation factors of each weighing sensor are determined according to the m primary vector；
The computation model of the output weight value of the weighing device is constructed according to the linear compensation factors.
The second aspect of the embodiment of the present invention provides a kind of calibration system of weighing device, and the weighing device includes n
A weighing sensor and weighing unit, n are positive integer；
The calibration system includes:
Primary vector generation module, for obtaining each title after calibration counterweight is placed on the weighing unit
The output numerical value of sensor is retransmitted, and primary vector is obtained according to the output numerical value；
First processing module, for after being placed into the weighing unit again by m calibration counterweight, obtaining m a the
One vector, m are greater than or equal to n, wherein m placement position of the calibration counterweight be not all the same；
Penalty coefficient computing module, for determining the linear of each weighing sensor according to the m primary vector
Penalty coefficient；
Computation model constructing module, for constructing the output weight value of the weighing device according to the linear compensation factors
Computation model.
The third aspect of the embodiment of the present invention provides a kind of terminal device, including memory, processor and is stored in
In the memory and the computer program that can run on the processor, when the processor executes the computer program
The step of realizing the scaling method of weighing device as described above.
The fourth aspect of the embodiment of the present invention provides a kind of computer readable storage medium, the computer-readable storage
Media storage has computer program, and the computer program realizes the calibration of weighing device as described above when being executed by processor
The step of method.
Existing beneficial effect is the embodiment of the present invention compared with prior art: the embodiment of the present invention passes through in calibration counterweight
After being placed on weighing unit, the output numerical value of each weighing sensor in weighing device is obtained, and according to the output numerical value
Obtain corresponding primary vector, then after being placed into again by m calibration counterweight and stating weighing unit, obtain m a first to
Amount, m placement position for demarcating counterweight be not all the same, after obtaining m primary vector, is calculated according to m primary vector
The linear compensation factors of each weighing sensor, directly according to calibration counterweight in different location, the output number of weighing sensor
Value calculates the linear compensation factors of weighing sensor, and determines measurement weighting objects weight according to linear compensation factors
Computation model reduces needed for calibration weighing device without the resistance value of potentiometer in artificial repeated multiple times adjustment terminal box
Time improves calibration efficiency, and due to during the calibration process, not needing terminal box, saves manufacturing cost.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the implementation process schematic diagram of the scaling method of weighing device provided by one embodiment of the present invention；
Fig. 2 is the specific implementation flow schematic diagram of step S103 in Fig. 1 provided by one embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the calibration system of weighing device provided by one embodiment of the present invention；
Fig. 4 is the concrete structure schematic diagram of the penalty coefficient computing module in Fig. 3 that another embodiment of the present invention provides；
Fig. 5 is the schematic diagram of terminal device provided by one embodiment of the present invention.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, to understand thoroughly the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention also may be implemented in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, in case unnecessary details interferes description of the invention.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
Embodiment 1:
Fig. 1 shows the implementation process of the scaling method of the weighing device of one embodiment of the present of invention offer, wherein claims
Refitting is set comprising n weighing sensor and weighing unit, and n is positive integer, and details are as follows for the realization process of scaling method:
In step s101, after calibration counterweight is placed on weighing unit, the output number of each weighing sensor is obtained
Value, and primary vector is obtained according to output numerical value.
In one embodiment of the invention, step S101, comprising:
It is spaced the output numerical value that the first preset time obtains each weighing sensor.
In one embodiment of the invention, step S101 further include:
1) average value for calculating output numerical value of each weighing sensor in preset duration, obtains each weighing sensor
Output average value.
2) the output average value of all weighing sensors is arranged, obtains primary vector, the line number of primary vector is
N, columns 1.
In this embodiment, output numerical value is output voltage values.
In the present embodiment, putting calibration counterweight can be put by related personnel, also be can control to preset and put dress
(for example, manipulator) is set to be put.Wherein, the object of other weight can also substitute calibration counterweight and be demarcated,
This is without limitation.
In the present embodiment, in preset duration (for example, 1 minute), interval the first preset time (for example, 10 seconds) is obtained
The output numerical value of each weighing sensor calculates the average value of output numerical value of each weighing sensor in preset duration, obtains
To the output average value of each weighing sensor, the output average value of all weighing sensors is successively arranged, is obtained
Primary vector, the i.e. line number of primary vector are n, columns 1.
In one embodiment of the invention, include: before step S101
1) in weighing unit zero load, the unloaded output numerical value of each weighing sensor is repeatedly read, and from wherein choosing phase
Adjacent reading twice is as the first unloaded output numerical value and the second unloaded output numerical value.
2) difference of the first unloaded output numerical value and the second unloaded output numerical value of each weighing sensor is calculated.
If 3) difference all 0, allow to execute scaling method as claimed in claim 1 to obtain computation model.
In the present embodiment, in weighing unit zero load, i.e., when on weighing unit without placing object, each weighing is repeatedly read
The unloaded output numerical value of sensor, repeatedly at least twice, and from the corresponding all unloaded output numerical values of each weighing sensor
Two adjacent unloaded output numerical values are arbitrarily chosen respectively as the first unloaded output numerical value and the second unloaded output numerical value.
In one embodiment, it in order to improve the precision of follow-up calibration, can also repeatedly be read every in weighing unit zero load
The unloaded output numerical value of one weighing sensor, and the average value of the corresponding unloaded output numerical value of each weighing sensor is calculated,
The unloaded average value of each weighing sensor is obtained, the unloaded average value of all weighing sensors is added, the first numerical value is obtained,
And continue the unloaded output numerical value for repeatedly reading each weighing sensor, until z the first numerical value are obtained, from z first number
In value, a numerical value is chosen as target value, calculates separately the difference of remaining first numerical value and target value, if whole
Difference then allows scaling method described in perform claim 1 to obtain the computation model within the scope of preset difference value.It is poor if it exists
Value then repeatedly reads the unloaded output numerical value of each weighing sensor not within the scope of preset difference value again.
Wherein, z is the integer greater than 1.
In one embodiment, two can also arbitrarily be chosen from the corresponding all unloaded output numerical value of each weighing sensor
A zero load output numerical value is respectively as the first unloaded output numerical value and the second unloaded output numerical value.
In the present embodiment, the corresponding first unloaded output numerical value of each weighing sensor and the second unloaded output number are calculated
The difference of value, and judge whether that the corresponding difference of all weighing sensors is 0, the if it exists corresponding difference of weighing sensor
It is not 0, then after being spaced the second preset time, the unloaded output numerical value of each weighing sensor is repeatedly read again, if all
The corresponding difference of weighing sensor is 0, it is determined that weighing unit can carry calibration counterweight, it can is carried out to weighing device
Calibration.
In step s 102, after being placed into weighing unit again by m calibration counterweight, m primary vector, m are obtained
More than or equal to n, wherein m placement position for demarcating counterweight be not all the same.
In the present embodiment, it if related personnel or default arranging apparatus are put after once demarcating counterweight to weighing unit, obtains
Corresponding vector obtains m vector after putting calibration counterweight to weighing unit for m times, and the weight for demarcating counterweight put every time can be with
It is identical to can also be different, and m placement position can be all different, it can not also be all the same, but different numbers is greater than or waits
In n.
In step s 103, the linear compensation factors of each weighing sensor are determined according to m primary vector.
In the present embodiment, the corresponding linear compensation factors of each weighing sensor are calculated according to m primary vector.
In step S104, the computation model of the output weight value of weighing device is constructed according to linear compensation factors.
In one embodiment of the invention, computation model W=L1*R1+L2*R2+L3*R3+…+Ln*Rn, W is output weight
Magnitude, L1、L2、L3And LnThe linear compensation of the linear compensation factors of respectively the 1st weighing sensor, the 2nd weighing sensor
The linear compensation factors of coefficient, the linear compensation factors of the 3rd weighing sensor and n-th of weighing sensor, R1、R2、R3And Rn
The output numerical value of respectively the 1st weighing sensor, the output numerical value of the 2nd weighing sensor, the 3rd weighing sensor it is defeated
The output numerical value of numerical value and n-th of weighing sensor out.
In the present embodiment, the output weight of weighing device is determined according to the corresponding linear compensation factors of each weighing sensor
The computation model of magnitude, the subsequent measured value for calculating weighting objects is calculated according to the computation model.
In one embodiment of the invention, include: after step s 104
1) after the object of preset weight is placed on weighing unit, the measurement weight of object is calculated based on computation model
Value.
2) precision of weighing device is determined according to measurement weight value and preset weight.
In the present embodiment, after determining the corresponding computation model of output weight value of weighing device, it can calculate and adopt
The precision of the weighing device of the weight of weighting objects is calculated with the computation model.
In the present embodiment, related personnel or default arranging apparatus by the object of preset weight be placed into weighing unit it
Afterwards, the corresponding weighing output numerical value of each weighing sensor and linear compensation factors are obtained and calculate weighing according to computation model
The measurement weight value of object calculates the measurement weight value of object and the ratio of preset weight, obtains the precision of weighing device.
Wherein, the weight of the object is in the weighing range ability of weighing device.
In the present embodiment, weighing range can also be divided to several weighing ranges, calculate separately weight in each title
The measurement weight value of object in weight range, so that it is determined that the corresponding precision of different weighing ranges, makes user more accurately
It weighs, for example, the precision of the heavier corresponding weighing device of object of weight is higher, then weighing device can be used in user
It weighs to greater weight object.
In the present embodiment, by obtaining each title in weighing device after calibration counterweight is placed on weighing unit
The output numerical value of sensor is retransmitted, and corresponding primary vector is obtained according to the output numerical value, is then passing through m calibration counterweight weight
It is newly placed into after stating weighing unit, obtains m primary vector, m placement position for demarcating counterweight be not all the same, is obtaining m
After primary vector, the linear compensation factors of each weighing sensor are calculated according to m primary vector, directly according to calibration weight
For code in different location, the output numerical value of weighing sensor calculates the linear compensation factors of weighing sensor, and according to linear
Penalty coefficient determines the computation model of measurement weighting objects weight, without the resistance value of artificial repeated multiple times adjustment potentiometer,
Time needed for reducing calibration weighing device, calibration efficiency is improved, and due to during the calibration process, not needing wiring
Box saves manufacturing cost.
Fig. 2 shows the specific implementation flows of step S103 in Fig. 1 of the invention, and details are as follows for process:
In step s 201, m primary vector is arranged successively the first matrix of composition, the line number of the first matrix is n, columns
For m.
In the present embodiment, primary vector is column vector, is arranged successively the first matrix of composition n × m type, and the first matrix is
It is made of m column vector (i.e. primary vector), for example, there are two primary vectors, respectivelyThen by 2 first to
Amount is arranged in 2 × 2 the first matrix, i.e. the first matrix is
In step S202, the weight of the calibration counterweight in m weighing process is obtained, weight matrix, weight square are generated
The line number of battle array is 1, columns m.
In the present embodiment, the weight of the calibration counterweight during calibration counterweight is put every time is obtained, and according to calibration weight
Code successively puts sequence, the weight of corresponding calibration counterweight is arranged successively into the weight matrix of 1 × m type, for example, putting for the first time
The weight for the calibration counterweight put is A, and the weight for the calibration counterweight put for the second time is B, then weight matrix is [A B].
In step S203, the corresponding linear compensation factors of each weighing sensor are calculated according to L × T=B, wherein L is
The compensation matrix being made of n linear compensation factors, T are the first matrix, and B is weight matrix.
In the present embodiment, compensation matrix is one-dimensional matrix, i.e., its line number is 1, columns m.
In the present embodiment, above-described embodiment is accepted, the first matrix isWeight matrix is [A B], shares 2 titles
Sensor is retransmitted, the corresponding linear compensation factors of weighing sensor are respectively X1、X2, then compensation matrix is [X1X2], according to Matrix Multiplication
Method and L × T=B can must calculate variance X1*a+X2* b=A and X1*c+X2* d=B, due to a, b, c, d, A and B be all it is known,
Therefore can be by solving equation, the collocation X1 and X2 of calculating, to obtain the corresponding linear compensation factors of two weighing sensors.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present invention constitutes any limit
It is fixed.
Embodiment 2:
Fig. 3 shows the calibration system 100 of the weighing device of one embodiment of the present of invention offer, for executing Fig. 1 institute
Method and step in corresponding embodiment, wherein weighing device includes n weighing sensor and weighing unit, and n is positive integer, mark
Determining system 100 includes:
Primary vector generation module 110, for obtaining each weighing and sensing after calibration counterweight is placed on weighing unit
The output numerical value of device, and primary vector is obtained according to output numerical value.
First processing module 120, for obtaining m first after being placed into weighing unit again by m calibration counterweight
Vector, m are greater than or equal to n, wherein m placement position for demarcating counterweight be not all the same.
Penalty coefficient computing module 130, for determining the linear compensation system of each weighing sensor according to m primary vector
Number.
Computation model constructing module 140, based on the output weight value according to linear compensation factors construction weighing device
Calculate model.
In one embodiment of the invention, primary vector generation module 110 includes:
Output numerical value acquiring unit obtains the output numerical value of each weighing sensor for being spaced the first preset time.
In one embodiment of the invention, primary vector generation module 110 further include:
Average calculation unit is exported, for calculating being averaged for output numerical value of each weighing sensor in preset duration
Value, obtains the output average value of each weighing sensor；
Primary vector generation unit, for the output average value of all weighing sensors to be arranged, obtain first to
Amount, the line number of the primary vector are n, columns 1.
In one embodiment of the invention, computation model W=L1*R1+L2*R2+L3*R3+…+Ln*Rn, W is output weight
Magnitude, L1、L2、L3And LnThe linear compensation of the linear compensation factors of respectively the 1st weighing sensor, the 2nd weighing sensor
The linear compensation factors of coefficient, the linear compensation factors of the 3rd weighing sensor and n-th of weighing sensor, R1、R2、R3And Rn
The output numerical value of respectively the 1st weighing sensor, the output numerical value of the 2nd weighing sensor, the 3rd weighing sensor it is defeated
The output numerical value of numerical value and n-th of weighing sensor out.
In one embodiment of the invention, primary vector generation module 110 further include:
Unloaded output numerical value acquiring unit, for repeatedly reading the zero load of each weighing sensor in weighing unit zero load
Output numerical value, and from adjacent reading twice is wherein chosen as the first unloaded output numerical value and the second unloaded output numerical value.
Difference computational unit, the first unloaded output numerical value and the second unloaded output number for calculating each weighing sensor
The difference of value.
First difference processing unit allows to execute scaling method as claimed in claim 1 if being used for difference all 0
To obtain computation model.
In one embodiment of the invention, computation model constructing module includes:
Weight measurement unit after being placed on the weighing unit for the object in preset weight, is based on computing module
Calculate the measurement weight value of the object；
Precision computing unit, for determining the weighing device according to the measurement weight value and the preset weight
Precision.
Fig. 4 shows the penalty coefficient computing module of one embodiment of the present of invention offer, for executing corresponding to Fig. 2
Method and step in embodiment comprising:
First matrix generation unit 131, for m primary vector to be arranged successively the first matrix of composition, the first matrix
Line number is n, columns m.
Weight matrix generation unit 132 generates weight for obtaining the weight of the calibration counterweight in m weighing process
Matrix, the line number of weight matrix are 1, columns m.
Penalty coefficient computing unit 133, for calculating the corresponding linear compensation system of each weighing sensor according to L × T=B
Number, wherein L is the compensation matrix being made of n linear compensation factors, and T is the first matrix, and B is weight matrix.
In one embodiment, the calibration system 100 of weighing device further includes other function module/unit, for realizing
Method and step in embodiment 1 in each embodiment.
Embodiment 3:
Fig. 5 is the schematic diagram for the terminal device that one embodiment of the invention provides.As shown in figure 5, the terminal of the embodiment is set
Standby 5 include: processor 50, memory 51 and are stored in the meter that can be run in the memory 51 and on the processor 50
Calculation machine program 52.The processor 50 realizes each embodiment as described in example 1 above when executing the computer program 52
Step, such as step S101 shown in FIG. 1 to step S104.Alternatively, when the processor 50 executes the computer program 52
Realize the function of each module/unit in each system embodiment as described in example 2 above, for example, module 110 shown in Fig. 3 to
140 function.
Illustratively, the computer program 52 can be divided into one or more module/units, it is one or
Multiple module/units are stored in the memory 51, and are executed by the processor 50, to complete the present invention.Described one
A or multiple module/units can be the series of computation machine program instruction section that can complete specific function, which is used for
Implementation procedure of the computer program 52 in the terminal device 5 is described.For example, the computer program 52 can be divided
It is cut into primary vector generation module, first processing module block, penalty coefficient computing module and computation model constructing module.Each module
Concrete function is as follows:
Primary vector generation module, for obtaining each weighing sensor after calibration counterweight is placed on weighing unit
Output numerical value, and primary vector is obtained according to output numerical value.
First processing module, for after being placed into weighing unit again by m calibration counterweight, obtain m a first to
Amount, m are greater than or equal to n, wherein m placement position for demarcating counterweight be not all the same.
Penalty coefficient computing module, for determining the linear compensation factors of each weighing sensor according to m primary vector.
Computation model constructing module, the calculating mould of the output weight value for constructing weighing device according to linear compensation factors
Type.
The terminal device 5 can be the calculating such as desktop PC, notebook, palm PC and cloud server and set
It is standby.The terminal device 5 may include, but be not limited only to, processor 50, memory 51.It will be understood by those skilled in the art that figure
5 be only the example of terminal device 5, does not constitute the restriction to terminal device 5, may include than illustrating more or fewer portions
Part perhaps combines certain components or different components, such as the terminal device can also include input-output equipment, net
Network access device, bus etc..
Alleged processor 50 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), field programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng.
The memory 51 can be the internal storage unit of the terminal device 5, such as the hard disk or interior of terminal device 5
It deposits.The memory 51 is also possible to the External memory equipment of the terminal device 5, such as be equipped on the terminal device 5
Plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card dodge
Deposit card (Flash Card) etc..Further, the memory 51 can also both include the storage inside list of the terminal device 5
Member also includes External memory equipment.The memory 51 is for storing needed for the computer program and the terminal device
Other programs and data.The memory 51 can be also used for temporarily storing the data that has exported or will export.
Embodiment 4:
The embodiment of the invention also provides a kind of computer readable storage medium, computer-readable recording medium storage has meter
Calculation machine program is realized the step in each embodiment as described in example 1 above, such as is schemed when computer program is executed by processor
Step S101 shown in 1 to step S104.Alternatively, realizing when the computer program is executed by processor such as institute in embodiment 2
The function of each module/unit in each system embodiment stated, such as the function of module 110 to 140 shown in Fig. 3.
The computer program can be stored in a computer readable storage medium, and the computer program is by processor
When execution, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program includes computer program code,
The computer program code can be source code form, object identification code form, executable file or certain intermediate forms etc..Institute
State computer-readable medium may include: can carry the computer program code any entity or device, recording medium,
USB flash disk, mobile hard disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), arbitrary access
Memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, embodiment 1 to 4 can in any combination, group
The new embodiment formed after conjunction is also within the scope of protection of this application.There is no the portion for being described in detail or recording in some embodiment
Point, it may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
In embodiment provided by the present invention, it should be understood that disclosed terminal device and method can pass through it
Its mode is realized.For example, system described above/terminal device embodiment is only schematical, for example, the module
Or the division of unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple lists
Member or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point,
Shown or discussed mutual coupling or direct-coupling or communication connection can be through some interfaces, device or unit
INDIRECT COUPLING or communication connection, can be electrical property, mechanical or other forms.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (10)
1. a kind of scaling method of weighing device, which is characterized in that the weighing device includes n weighing sensor and weighing
Platform, n are positive integer；
The scaling method includes:
After calibration counterweight is placed on the weighing unit, the output numerical value of each weighing sensor of acquisition, and according to
The output numerical value obtains primary vector；
After being placed into the weighing unit again by m calibration counterweight, m primary vector is obtained, m is greater than or equal to n,
In, m placement position of the calibration counterweight be not all the same；
The linear compensation factors of each weighing sensor are determined according to the m primary vector；
The computation model of the output weight value of the weighing device is constructed according to the linear compensation factors.
2. the scaling method of weighing device as described in claim 1, which is characterized in that described to obtain each weighing and sensing
The output numerical value of device, comprising:
It is spaced the output numerical value that the first preset time obtains each weighing sensor.
3. the scaling method of weighing device as claimed in claim 2, which is characterized in that described to be obtained according to the output numerical value
Primary vector, comprising:
The average value for calculating output numerical value of each weighing sensor in preset duration obtains the output of each weighing sensor
Average value；
The output average value of all weighing sensors is arranged, primary vector is obtained, the line number of the primary vector is n,
Columns is 1.
4. the scaling method of weighing device as described in claim 1, which is characterized in that described according to the m primary vector
Determine the linear compensation factors of each weighing sensor, comprising:
M primary vector is arranged successively the first matrix of composition, the line number of first matrix is n, columns m；
The weight for obtaining the calibration counterweight in m weighing process generates weight matrix, and the line number of the weight matrix is 1, column
Number is m；
The corresponding linear compensation factors of each weighing sensor are calculated according to L × T=B, wherein L is by n linear compensation
The compensation matrix of coefficient composition, T are first matrix, and B is the weight matrix.
5. the scaling method of weighing device as described in claim 1, which is characterized in that the computation model is W=L1*R1+
L2*R2+L3*R3+…+Ln*Rn, the W is the output weight value, the L1、L2、L3And LnRespectively the 1st weighing sensor
Linear compensation factors, the linear compensation factors of the 2nd weighing sensor, the linear compensation factors of the 3rd weighing sensor and
The linear compensation factors of n-th of weighing sensor, the R1、R2、R3And RnThe output numerical value of respectively the 1st weighing sensor,
The output number of the output numerical value of 2nd weighing sensor, the output numerical value of the 3rd weighing sensor and n-th of weighing sensor
Value.
6. the scaling method of weighing device as described in claim 1, which is characterized in that be placed into the calibration counterweight described
Before on weighing unit, comprising:
In the weighing unit zero load, the unloaded output numerical value of each weighing sensor is repeatedly read, and adjacent from wherein choosing
Reading twice as the first unloaded output numerical value and the second unloaded output numerical value；
Calculate the difference of the first unloaded output numerical value and the second unloaded output numerical value of each weighing sensor；
If the difference all 0, allow to execute scaling method as described in claim 1 to obtain the calculating mould
Type.
7. the scaling method of weighing device as described in claim 1, which is characterized in that described according to the linear compensation system
Number constructs after the computation model of the output weight value of the weighing device, comprising:
After the object of preset weight is placed on the weighing unit, the measurement of the object is calculated based on the computation model
Weight value；
The precision of the weighing device is determined according to the measurement weight value and the preset weight.
8. a kind of calibration system of weighing device, which is characterized in that the weighing device includes n weighing sensor and weighing
Platform, n are positive integer；
The calibration system includes:
Primary vector generation module is passed for after calibration counterweight is placed on the weighing unit, obtaining each weighing
The output numerical value of sensor, and primary vector is obtained according to the output numerical value；
First processing module, for after being placed into the weighing unit again by m calibration counterweight, obtain m a first to
Amount, m are greater than or equal to n, wherein m placement position of the calibration counterweight be not all the same；
Penalty coefficient computing module, for determining the linear compensation of each weighing sensor according to the m primary vector
Coefficient；
Computation model constructing module, based on the output weight value by constructing the weighing device according to the linear compensation factors
Calculate model.
9. a kind of terminal device, including memory, processor and storage are in the memory and can be on the processor
The computer program of operation, which is characterized in that the processor realizes such as claim 1 to 7 when executing the computer program
The step of scaling method of described in any item weighing devices.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In the computer program realizes the calibration side of weighing device as described in any one of claim 1 to 7 when being executed by processor
The step of method.
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