CN109405951A - Weighing system and method and storage medium - Google Patents
Weighing system and method and storage medium Download PDFInfo
- Publication number
- CN109405951A CN109405951A CN201710709631.4A CN201710709631A CN109405951A CN 109405951 A CN109405951 A CN 109405951A CN 201710709631 A CN201710709631 A CN 201710709631A CN 109405951 A CN109405951 A CN 109405951A
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- Prior art keywords
- weighing
- sensor
- calibrating parameters
- weight
- weighing sensor
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
- G01G23/36—Indicating the weight by electrical means, e.g. using photoelectric cells
- G01G23/37—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/40—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight
- G01G19/413—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means
- G01G19/414—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means using electronic computing means only
Abstract
The invention discloses a kind of weighing system and method and storage medium, the weighing system includes being installed on the intracorporal weighing sensor of scale, the control instrument with each weighing sensor communication connection；Wherein control instrument obtains production calibrating parameters and zero point weighing data from each weighing sensor respectively, and calculates the calibrating parameters for generating weighing system.The weighing method includes being calculated based on the production calibrating parameters and zero point weighing data obtained from each weighing sensor and being generated calibrating parameters.The present invention passes through the integration and processing of parameter and zero point weighing data in all weighing sensors in weighing system, so that the mode that counterweight is demarcated is implemented without, to improve weighing precision.
Description
Technical field
The present invention relates to a kind of weighing system and method and storage medium, especially digital weighing system and method and
Storage medium.
Background technique
Digital weighing system by digital weighing sensor, digital weighing display control instrument, weighing table and is led at present
The combination of the weigh assemblies such as cable is interrogated to constitute.Wherein it is logical to constitute number for digital weighing sensor and digital weighing display control instrument
Interrogate network.
Reach the scale of weighing system usually using the mode of unloading counterweight calibration is added in current digital weighing system
Accuracy of measurement demand.But in certain applications often to adding Unloading Calibration to there is limitation, for example weighing table is not easy plus unloads
Counterweight is carried, can only perhaps loading a little low weight counterweight, this has resulted in not demarcating or can only realizing weighing platform weighing capacity
Lower range calibration.
Furthermore during group scale, it is practical by virtual-sensor that there is also certain positions that should install weighing sensor,
Such as fixed object etc. carrys out alternate physical stress, thus more exacerbates not standardizing for the proving operation of weighing system, into
And the weighing accuracy of weighing is more deteriorated.
Summary of the invention
The technical problem to be solved by the present invention is to can not or cannot effectively load counterweight calibration in the prior art to overcome
The defects of caused weighing precision is poor provides a kind of weighing system and method and storage medium, passes through the communication to scale body
In network in all weighing sensors parameter integration and processing, to be implemented without the mode that counterweight is demarcated, thus
Improve weighing precision.
The present invention is to solve above-mentioned technical problem by following technical proposals:
Weighing system of the invention includes: to be installed on the intracorporal weighing sensor of scale, communicates and connects with each weighing sensor
The control instrument connect；
Wherein control instrument obtains production calibrating parameters and zero point weighing data from each weighing sensor respectively, and calculates
Generate the calibrating parameters of weighing system.
The present invention reads weighing platform in zero point and calls re-transmission in the following text by reading the production nominal data inside all weighing sensors
The stable weight data of sensor, then weighing platform, the i.e. calibrating parameters of weighing system is obtained by calculation in control instrument, final to realize
The operation for exempting from counterweight calibration of weighing system.
Wherein heretofore described production nominal data is that weighing sensor stores and weighing sensor in process of production
Internal associated parameter data comprising but be not limited to: temperature compensation data, creep compensation data, lag compensation data, linear
Offset data, filtering parameter, linear calibration's data, weighing capacity, weighing output unit, factory sequence number, address, product
Model, weighing precision grade, product software version number etc..
Heretofore described zero point weighing data refer to weighing platform under zero point, weighing sensor stable weight number obtained
According to.
Furthermore after the calibrating parameters that the present invention finally obtains, content and effect are demarcated with weighing system load counterweight
Nominal data obtained is the same.
The present invention needs the calculating of calibrating parameters production calibrating parameters and zero point weighing number based on weighing sensor
According to, but the specific calculating process of calibrating parameters is not limited, wherein can not only use existing parameter algorithm or function
The formula or algorithm of calculating can also be arbitrarily arranged in formula as needed, as long as the calibrating parameters being calculated are based on life
It produces calibrating parameters and zero point weighing data obtains, just belong to the calibrating parameters that the present invention is calculated.
Preferably, the weighing system further includes preset virtual weighing sensor, and calibration ginseng is generated calculating
During number, quantity or capacity based on preset virtual weighing sensor adjust the calibrating parameters.
Preferably, the quantity of the virtual weighing sensor is less than the quantity of the weighing sensor.
Calibrating parameters are calculated using above-mentioned parameter just because of in the present invention, so the present invention is not needing weighing system
In in the case where all weighing sensors, the higher proving operation of precision equally may be implemented.Therefore weighing system of the invention
In can use virtual weighing sensor to replace part weighing sensor in weighing system.
That is, both can use other component in the present invention, such as bearing block etc. is used as virtual weighing sensor,
The mode of weighing sensor can be fabricated completely in weighing system to construct the virtual weighing sensor.
Wherein in order to realize calibration of the invention and guarantee the precision demarcated, the quantity of virtual weighing sensor cannot
More than the quantity of weighing sensor.
Linear calibration's parameter of the weighing capacity and weighing sensor that are preferably based on weighing system, which calculates, generates each calibration
Point nominal weight and sensor weight output valve, the stabilization of the sensor weight output valve and weighing sensor output when zero point
Weight value of weighing calculates the angular difference coefficient for generating weighing sensor；Based on the angular difference coefficient, each calibration point nominal weight and biography
Sensor weight output valve generates calibrating parameters.
The present invention preferably can use the linear calibration's parameter obtained from weighing sensor and calculate each calibration point mark of generation
The stable weighing weight value of weighing sensor output is final when weighing and corresponding sensor weight output valve, and combining zero point
Generate calibrating parameters.Wherein linear calibration's parameter and sensor weight output valve derive from the production calibration ginseng of weighing sensor
Number.
Weighing method of the invention comprising steps of
Based on the production calibrating parameters and zero point weighing data obtained from each weighing sensor, calculates and generate calibration ginseng
Number.
Preferably, during calculating generation calibrating parameters, quantity or capacity based on preset virtual weighing sensor
Adjust the calibrating parameters.
Preferably, the quantity of the virtual weighing sensor is less than the quantity of the weighing sensor.
Linear calibration's parameter of the weighing capacity and weighing sensor that are preferably based on weighing system, which calculates, generates each calibration
Point nominal weight and sensor weight output valve, the stabilization of the sensor weight output valve and weighing sensor output when zero point
Weight value of weighing calculates the angular difference coefficient for generating weighing sensor；Based on the angular difference coefficient, each calibration point nominal weight and biography
Sensor weight output valve generates calibrating parameters.
Storage medium of the invention includes the program of storage, wherein controls the storage medium in described program operation
Place device executes weighing method as described above.
The positive effect of the present invention is that:
Integration and place of the present invention by parameter and zero point weighing data in all weighing sensors in weighing system
Reason, so that the mode that counterweight is demarcated is implemented without, to improve weighing precision.
And due to no longer needing artificial proving operation and intervention, improving the maintainability of weighing system and can operating
Property, time and the cost of maintenance is greatly saved.
And the present disclosure additionally applies for being not easy plus unloading counterweight, it can only perhaps load a little low weight counterweight or not have
There is standard test weight to be unable to carry out the application scenarios such as demarcating.
Furthermore calibration mode of the invention, so that virtual weighing sensor can be applied in weighing system, and then further
System construction cost is reduced, especially suitable for the inexpensive user application of certain non-trade settlements or liquid material weighing field
It closes.
Detailed description of the invention
Fig. 1 is the schematic diagram of the digital platform scale weighing system of the embodiment of the present invention 1.
The schematic diagram of the digital batching weighing system of the position Fig. 2 the embodiment of the present invention 2.
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
Weighing system of the invention reads weighing platform zero by reading the production nominal data inside all weighing sensors
The stable weight data of the lower weighing sensor of point, then weighing platform, i.e. the calibration ginseng of weighing system is obtained by calculation in control instrument
Number, the final operation for exempting from counterweight calibration for realizing weighing system.
Below by embodiment as described below, the implementation that illustrates the present invention.
Embodiment 1
As shown in Figure 1, the digital platform scale weighing system of the present embodiment is mainly by the digital weighing and sensing of weighing carrier Isosorbide-5-Nitrae
Device 2, bus communication cable 3, weighing instrument 4 and input/output module 5.
Wherein 4 digital weighing sensors 2 of the present embodiment successively communication connection, and be connected to by bus communication cable 3
Weighing instrument 4.Digital weighing sensor 2 is not connected by terminal box in the present embodiment, in another embodiment can also be with
It is connected using terminal box.And communication network that digital weighing sensor connects and composes can also be star in another embodiment
The common communication connection network such as l network, daisy chain network, however it is not limited to the communication network connection type in the present embodiment.
And the communication interface between weighing instrument and digital weighing sensor or communication association are not intended to limit in the present embodiment
View, can be used such as RS232, RS485, RS422, CAN, DeviceNet, Profibus, EtherNet, Zigbee,
The communication interfaces such as BlueTooth and communications protocol can also use any can be used between weighing instrument and weighing sensor
Wired or wireless communication mode.
The weighing data that digital weighing sensor 2 will test in the present embodiment is sent to weighing instrument by communication cable 3
Table 4, weighing instrument 4 are used for after being filtered, sum and handling by the weight data of receive 4 digital weighing sensors 2
Display control.
Wherein weighing instrument 4 obtains production calibrating parameters and zero point weighing data from 4 digital weighing sensors 2 respectively,
And calculate the calibrating parameters for generating weighing system.And the output calibration ginseng of input/output module 5 can also be utilized in the present embodiment
Number.
So if user scene does not have standard test weight to be unable to demarcate, or a little low weight counterweight can only be loaded
In the case of the lower range calibration for realizing weighing platform weighing capacity, the present embodiment is claimed by weighing instrument 4 by reading all numbers
The production calibrating parameters inside sensor 2 are retransmitted, then generate whole scale calibrating parameters by calculating, so that no longer needing plus unloading
Higher weighing accuracy can be realized by carrying counterweight calibration.
In the present embodiment for the specific processing method of calibrating parameters the following steps are included:
Step 11, linear calibration in the production calibrating parameters of weighing capacity and digital weighing sensor based on weighing system
Parameter, which calculates, generates each calibration point nominal weight.
Each calibration point nominal weight W1…WNPass through W1=0, WN=W is calculated
It arrives.
Wherein W is weighing capacity, and linear calibration's points N is by the production nominal data inside all digital weighing sensors
With generation.
Step 12, the corresponding sensor weight output valve of each calibration point nominal weight and zero point weighing data calculate to generate and claim
Retransmit the angular difference coefficient of sensor.
Wherein sensor weight output valve V1…VNMeter is called by the production nominal data inside all digital weighing sensors
It calculates and generates.Then sensor weight output valve V1…VNThe stable weight data of each digital weighing sensor when according to weighing platform zero point,
I.e. zero point weighing data, which calculates, generates angular difference coefficient J1…Jn。
Step 13, it is based on each calibration point nominal weight W1…WNWith corresponding sensor weight output valve V1…VNWith weighing
The angular difference coefficient J of sensor1…JnGenerate the calibrating parameters of weighing system.
In the embodiment of another True k Scale Weighing System, the frame of the weighing platform and weighing sensor of truck scale composition with
Digital platform scale is similar in the present embodiment, so can equally be applicable on the basis of meeting truck scale structure and weighing requires
The weighing method of the present embodiment.
Embodiment 2
As shown in Fig. 2, the digital batching weighing system of the present embodiment includes feeding warehouse Isosorbide-5-Nitrae digital weighing sensor 2, claim
Heavy burder storehouse 3, bus communication cable 4, Weighing control instrument 5, instrument I/O control module 7, I/O control module 8, input and output mould
Block 6 forms.
The control module of instrument I/O described in the present embodiment 7 is responsible for the control to feeding warehouse, and I/O control module 8 is responsible for weighing
The control in storehouse.All digital weighing sensors 2 and Weighing control instrument 5 establish communication connection by communication cable 4.
Digital weighing sensor 2 is connected by terminal box in the present embodiment, can also be connected without using terminal box.And it is real
Applying the communication network that digital weighing sensor in example connects and composes can also be the common communication such as star network, daisy chain network
Connect network, however it is not limited to the communication network connection type in the present embodiment.
And the communication that the present embodiment is not limited in the same manner as in Example 1 between weighing instrument and digital weighing sensor yet connects
Mouth or communications protocol, can be used any wired or wireless telecommunications side that can be used between weighing instrument and weighing sensor
Formula.
Weighing process in the present embodiment is the weight signal output of each digital weighing sensor 2 by communication cable 4
It is transferred to Weighing control instrument 5.Weighing control instrument 5 filters the weight data of receive 4 digital weighing sensors 2
It is shown after wave, summation and processing.
And Weighing control instrument 5 calculates the weight of material of weighing silo 3 by internal processes, according to preset level come
Decide whether to control I/O module 7 (including charging control, controlling alarm etc.) output, then whether I/O module 8 is to weighed
Material carry out blowing, for subsequent process or carry out packing processes.
In above-mentioned workflow, the present embodiment exports process, weighing control using calibrating parameters as described in example 1 above
Instrument 5 processed obtains production calibrating parameters and zero point weighing data from 4 digital weighing sensors 2 respectively, and calculates generation weighing
The calibrating parameters of system.And calibrating parameters can also be exported using input/output module 6 in the present embodiment.
Weighing table especially at user scene is not easy plus unloading counterweight, or can only load a little low weight counterweight
And can only realize the lower range calibration of weighing platform weighing capacity, or when being unable to the situation demarcated without standard test weight,
By saying the output process of line number calibrating parameters, so that no longer needing plus unloading counterweight calibration to realize higher weighing essence
Degree.
Although furthermore the present embodiment and embodiment 1 are all only 4 digital weighing sensors, the present embodiment and implementation
Example 1 is not limited to 4 digital weighing sensors, and the present embodiment and embodiment 1 are to guarantee weighing precision requirement, in the present embodiment and
Select weighing sensor quantity at least more than being equal to 3 in embodiment 1, such as 6,8,12 or greater number etc..
Embodiment 3
The present embodiment is that No. 4 digital weighings are passed in 4 digital weighing sensors in the present embodiment with the difference of embodiment 2
Sensor is replaced by fixed object.Because having lacked the production calibrating parameters and zero point weighing data of 1 digital weighing sensor,
So in the present embodiment calibrating parameters output process the following steps are included:
Step 21, linear calibration in the production calibrating parameters of weighing capacity and digital weighing sensor based on weighing system
Parameter, which calculates, generates normalization nominal weight.
Each calibration point normalizes nominal weight W1…WNPass through W1=0, WN=W meter
It obtains.
Wherein W is weighing capacity, and linear calibration's points N is by the production nominal data inside all digital weighing sensors
With generation.
Step 22, it calculates and generates the corresponding sensor weight output valve of each calibration point nominal weight.
Wherein sensor weight output valve V1…VNMeter is called by the production nominal data inside all digital weighing sensors
It calculates and generates.
Step 23, the corresponding sensor weight output valve of each calibration point nominal weight is corrected.
Pass through formula V1 '=f (n, m) × V1 ... VN'=f (n, m) × VNCorrect V1…VN, whereinn
For the quantity of all effective sensors, m is the quantity of the sensor substituted.N=3 in the present embodiment, m=1.
It can also be passed in another embodiment using the capacity of sensor and the capacity of the sensor substituted to set
The correction formula of sensor weight output valve.Such as also with above-mentioned correction formula, n is set as to the capacity of sensor, m is set
It is set to the capacity of the sensor substituted.
Step 24, revised sensor weight output valve V1′…VN' and zero point weighing data calculating generation weighing and sensing
The angular difference coefficient of device.
Sensor weight output valve V after correcting1′…VN' according to weighing platform zero point when each digital weighing sensor stablize weight
Data are measured, i.e., zero point weighing data, which calculates, generates angular difference coefficient J1′…Jn′。
Step 25, it is based on each calibration point nominal weight W1…WNWith corresponding sensor weight output valve V1…VNWith weighing
The angular difference coefficient J of sensor1′…JnAlthough having 1 digital weighing sensor in ' generation weighing system calibrating parameters the present embodiment
Fixated body substitution can also use replace more digital weighing sensors in another embodiment, but be
Guarantee precisionThat is, the quantity for the digital weighing sensor being replaced wants fewer than half, with regard to the present embodiment
Speech, can only at most have 2 digital weighing sensors to be replaced.
In addition, in another embodiment, can be substituted in the present embodiment with the virtual weighing sensor of direct construction
Digital weighing sensor, and no longer need in such a way that fixed object such as substitutes at the substitution in kind.
By above to the description of weighing method it is found that those skilled in the art can be understood that the present invention can
It is realized by the mode of software and necessary hardware platform, based on this understanding, technical solution of the present invention is substantially
The part that the prior art contributes can be embodied in a manner of software product in other words, the computer software product
It can store in storage medium, including but not limited to ROM/RAM (read-only memory/random access memory), magnetic disk, CD
Deng, including some instructions use is so that one or more computer equipment (can be personal computer, server or network
Equipment etc.) execute method described in certain parts in each embodiment or embodiment of the invention.
Weighing demarcation flow of the invention can be in the general context of computer executable instructions
Middle description, such as program module.Generally, program module includes the journey for executing particular task or realizing particular abstract data type
Sequence, object, component, data structure etc..The present invention can also be practiced in a distributed computing environment, in these distributed computings
In environment, by executing task by the connected remote processing devices of communication network.In a distributed computing environment, program
Module can be located in the local and remote computer storage media including storage equipment.
And the program module that weighing system includes in the present invention is other than division mode as shown in the examples, and it can
With the needs of deployed environment, hardware or software platform according to device or program module etc., is further segmented, integrated or again
It is new to divide.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
Under the premise of from the principle and substance of the present invention, many changes and modifications may be made, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (9)
1. a kind of weighing system characterized by comprising
It is installed on the intracorporal weighing sensor of scale, the control instrument with each weighing sensor communication connection；
Wherein control instrument obtains production calibrating parameters and zero point weighing data from each weighing sensor respectively, and calculates generation
The calibrating parameters of weighing system.
2. weighing system as described in claim 1, which is characterized in that it further include preset virtual weighing sensor, and
During calculating generation calibrating parameters, quantity or capacity based on preset virtual weighing sensor adjust the calibration ginseng
Number.
3. weighing system as claimed in claim 2, which is characterized in that the quantity of the virtual weighing sensor is less than the title
Retransmit the quantity of sensor.
4. weighing system as described in claim 1, which is characterized in that weighing capacity and weighing sensor based on weighing system
Linear calibration's parameter calculate and generate each calibration point nominal weight and sensor weight output valve, the sensor weight output valve
The angular difference coefficient stablized weighing weight value and calculate generation weighing sensor exported with weighing sensor when zero point；Based on the angle
Poor coefficient, each calibration point nominal weight and sensor weight output valve generate calibrating parameters.
5. a kind of weighing method, which is characterized in that comprising steps of
Based on the production calibrating parameters and zero point weighing data obtained from each weighing sensor, calculates and generate calibrating parameters.
6. weighing method as claimed in claim 5, which is characterized in that during calculating generation calibrating parameters, based on default
Virtual weighing sensor quantity or capacity adjust the calibrating parameters.
7. weighing method as claimed in claim 6, which is characterized in that the quantity of the virtual weighing sensor is less than the title
Retransmit the quantity of sensor.
8. weighing method as claimed in claim 5, which is characterized in that weighing capacity and weighing sensor based on weighing system
Linear calibration's parameter calculate and generate each calibration point nominal weight and sensor weight output valve, the sensor weight output valve
The angular difference coefficient stablized weighing weight value and calculate generation weighing sensor exported with weighing sensor when zero point；Based on the angle
Poor coefficient, each calibration point nominal weight and sensor weight output valve generate calibrating parameters.
9. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein run in described program
When control the storage medium where device execute weighing method as described in any one of claim 5-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710709631.4A CN109405951A (en) | 2017-08-18 | 2017-08-18 | Weighing system and method and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710709631.4A CN109405951A (en) | 2017-08-18 | 2017-08-18 | Weighing system and method and storage medium |
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| CN109405951A true CN109405951A (en) | 2019-03-01 |
Family
ID=65455208
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| CN201710709631.4A Pending CN109405951A (en) | 2017-08-18 | 2017-08-18 | Weighing system and method and storage medium |
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| CN112985570A (en) * | 2021-02-04 | 2021-06-18 | 支付宝(杭州)信息技术有限公司 | Calibration method and system for sensor of weighing shelf |
| CN113554800A (en) * | 2021-04-02 | 2021-10-26 | 浙江星星冷链集成股份有限公司 | Weighing device and unmanned vending system |
| CN113588059A (en) * | 2020-04-30 | 2021-11-02 | 梅特勒-托利多(常州)测量技术有限公司 | Parameter configuration method and system of dynamic weighing equipment |
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