CN109341836B - Method and device for calibrating symmetrical platform - Google Patents
Method and device for calibrating symmetrical platform Download PDFInfo
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- CN109341836B CN109341836B CN201811284416.5A CN201811284416A CN109341836B CN 109341836 B CN109341836 B CN 109341836B CN 201811284416 A CN201811284416 A CN 201811284416A CN 109341836 B CN109341836 B CN 109341836B
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- G01—MEASURING; TESTING
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- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
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Abstract
The invention discloses a method and a device for calibrating a symmetrical platform, which comprises the following steps: acquiring numerical values of four sensors of the weighing platform; calculating a difference value between the numerical value and factory calibration data of the four sensors, and judging the bearing state of the weighing platform according to the size relation between the difference value and a first threshold value; and calibrating the weighing platform according to the bearing state to obtain calibration data. The weighing platform can be connected with a mobile terminal; and judging whether the connection is the first connection between the weighing platform and the movable end, and calibrating by using a manual calibration or weighing platform self-calibration mode. The invention has the advantages that: the method and the device for calibrating the symmetrical heavy platform are simple and convenient to operate, can be used independently, can be used in wireless connection with a mobile terminal, can be used for self calibration or manual calibration, can be used for calibration in an idle state or a non-idle state, and are wide in application range.
Description
Technical Field
The invention belongs to the technical field of weighing calibration, and particularly relates to a method and a device for calibrating a weighing platform.
Background
A general weighing system is provided with four sensors for data acquisition, and after the weighing system is changed in position, the initial value of the weighing system can be changed. If accurate weight data is to be obtained, calibration operations are required for the weighing system after the position is changed.
At present, some prior arts have developed calibration methods for weighing systems, for example, chinese patent application No. cn201410516090.x discloses a weighing system with a self-calibration function and a method thereof, wherein the weighing system includes: an initialization unit and a calibration processing unit; the initialization unit is used for storing an effective area, and the effective area comprises a plurality of data points determined by the object weight value and the current value of the object weight value; the calibration processing unit is used for acquiring a standard weight value of any standard object, judging whether a data point determined by the standard weight value of the standard object and a current value obtained when the actual weight value of the standard object is measured is in the effective area, if so, determining that the weighing precision meets the requirement, otherwise, determining that the weighing precision does not meet the requirement; the standard object is a weighing bucket empty bucket or a weighing bucket empty bucket and an object with known weight.
However, the calibration process needs to measure the current accurately, and is complex, costly and precise. Moreover, the patent can not be used together with the internet and mobile phone technology which are commonly used at present.
Disclosure of Invention
In order to solve the above problems, the present invention provides a method and an apparatus for calibrating a symmetric weighing platform, which are used for calibrating a symmetric weighing system under different conditions, including an idle state or a non-idle state.
According to an aspect of the present invention, there is provided a method for calibrating a weighing platform, comprising:
acquiring numerical values of four sensors of the weighing platform;
calculating a difference value between the numerical value and factory calibration data of the four sensors, and judging the bearing state of the weighing platform according to the size relation between the difference value and a first threshold value;
and calibrating the weighing platform according to the bearing state to obtain calibration data.
Preferably, if the difference is less than or equal to the first threshold, the weighing platform is in an empty state.
Preferably, the calibration of the weighing platform according to the load-bearing state to obtain calibration data specifically includes: and taking the data read by the weighing platform for the first time as calibration data, and storing the calibration data.
Preferably, if the difference is greater than the first threshold, the weighing platform is in a non-empty state.
Preferably, the calibration of the weighing platform according to the load-bearing state to obtain calibration data specifically includes: judging whether the stored calibration data exist or not; if the stored calibration data exists, the stored calibration data is used as calibration data, and if the stored calibration data does not exist, the factory calibration data is used as calibration data.
Preferably, before determining whether there is stored calibration data, the method further comprises the following steps: and judging whether the non-idle state appears for the first time, if so, prompting a user to idle the platform, and further acquiring the numerical values of the four sensors, and if not, further judging whether the stored calibration data exists for the first time.
According to another aspect of the present invention, there is provided a method for calibrating a weighing platform, comprising:
connecting the weighing platform with a mobile terminal;
when the weighing platform is connected with the mobile terminal for the first time, a self-calibration instruction is sent to the weighing platform;
when the weighing platform is not connected with the mobile terminal for the first time, the method for calibrating the self-calibration of the weighing platform by directly using the self-calibration mode of the weighing platform is any one of the methods.
Preferably, after the weighing platform is subjected to self-calibration, weighing data are displayed, if the data are accurate, a weight value is obtained, and if the data are inaccurate, the manual calibration and self-calibration processes are carried out again to calibrate the weighing platform.
According to another aspect of the present invention, there is also provided an apparatus for calibrating a weighing platform, comprising:
one or more processors, storage devices storing one or more programs;
when the one or more programs are executed by the one or more processors, the one or more processors implement the methods as described above.
According to another aspect of the invention, there is also provided a computer-readable storage medium, on which a computer program is stored, which computer program, when executed by a processor, implements the method as described above.
The invention has the advantages that: the method and the device for calibrating the symmetrical heavy platform are simple and convenient to operate, can be used independently, can be used in wireless connection with a mobile terminal, can be used for self calibration or manual calibration, can be used for calibration in an idle state or a non-idle state, and are wide in application range.
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Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a flow chart of a first preferred embodiment of a method of calibrating a weighing platform of the present invention;
fig. 2 is a flow chart of a second preferred embodiment of the calibration method for the weighing platform according to the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The weighing platform can be used independently, and can also be used in wireless connection with the mobile terminal.
When the weighing platform is used independently, the weighing platform can judge that the weighing platform is in an idle state or a non-idle state during calibration according to factory calibration data and a set threshold, if the weighing platform is in the idle state, the first group of read data is directly taken as a calibration value, the calibration value is stored, if the weighing platform is in the non-idle state, the calibration value is used if the stored calibration value exists, and the factory calibration data is used for calibration if the stored calibration value does not exist.
When the weighing platform is connected and calibrated with the mobile terminal, the weighing platform and the mobile terminal can mutually send data. In the first connection process, an interface for prompting manual calibration is provided to remind a user that the weighing system is in an empty state, nothing is put on the interface, at the moment, the next step is carried out, the mobile terminal sends a calibration instruction to the weighing platform, and the weighing platform is calibrated. The weighing platform is not connected for the first time, the platform is used for calibration in a self-calibration mode by default, the numerical value is found to be inaccurate in the weighing process, and the calibration of the weighing platform can be achieved through manual calibration again.
Example 1
As shown in fig. 1, the present embodiment provides a method for calibrating a weighing platform, which belongs to a process of self-calibrating a weighing platform, and includes:
and S1, acquiring the numerical values of four sensors of the weighing platform.
S2, calculating a difference value between the numerical value and factory calibration data of the four sensors, and judging whether the difference value is larger than a threshold value; if the difference value is smaller than or equal to the threshold value, the weighing platform is in an idle state, the data read for the first time is taken as calibration data, and the calibration data is stored; if the difference is greater than the threshold value, the weighing platform is in a non-empty state, and the next step S3 is entered.
S3, judging whether the stored calibration data exist or not; if the stored calibration data exists, the stored calibration data is used as calibration data, and if the stored calibration data does not exist, the factory calibration data is used as calibration data. Preferably, before step S3, the method may further include the following steps: and judging whether the non-idle state is the first time, if so, prompting a user to idle the platform, and further acquiring the numerical values of the four sensors, and if not, further judging whether the stored calibration data exists.
Therefore, the self-calibration device is simple and convenient to operate, can be used independently, can self-calibrate, can calibrate in an idle state or a non-idle state, and is wide in application.
Example 2
As shown in fig. 2, this embodiment provides a method for calibrating a weighing platform, which belongs to a process of calibrating a connection between a weighing platform and a mobile terminal, and includes:
and S1, connecting the weighing platform with the mobile terminal. The mobile terminal can be a mobile phone, and can also be a common intelligent mobile terminal such as an IPAD, an intelligent wearable device and a portable computer. The connection mode can be wired connection or wireless connection, and the wireless connection mode can be common wireless connection modes such as Bluetooth, Wifi, NFC and Zigbee.
S2, judging whether the connection is the first connection between the weighing platform and the mobile terminal; if the connection is the first connection, displaying an operation step of manual calibration, guiding a user to manually calibrate (for example, displaying a prompt "please level the weighing platform", "clear the weighing platform", a corresponding picture, and other pictures, characters, videos, or flash, and the like, wherein the manual calibration of the user is to level the weighing platform and clear all things on the weighing platform), after the manual calibration is completed, displaying a self-calibration button (for example, a self-calibration click button displayed by a mobile phone APP) on a mobile terminal, after the user clicks the button, sending a self-calibration instruction to the weighing platform by the mobile terminal, and then performing self-calibration by the weighing platform; if the connection is not the first time, the weighing system is directly used for self-calibration for calibration.
After the calibration is finished, after the weighing platform is used for weighing, the weighing platform displays weighing data, if the data is accurate, a weight value is obtained, and if the data is inaccurate, the calibration of the weighing platform is realized through the manual calibration and self-calibration processes again.
Therefore, the weighing platform can be wirelessly connected with the mobile terminal for use, can be manually calibrated, can be calibrated in an idle state or a non-idle state, and has wide application.
According to another aspect of the present invention, there is also provided an apparatus for calibrating a weighing platform, comprising:
one or more processors, storage devices storing one or more programs;
when the one or more programs are executed by the one or more processors, the one or more processors implement the methods as described above.
According to another aspect of the invention, there is also provided a computer-readable storage medium, on which a computer program is stored, which computer program, when executed by a processor, implements the method as described above.
It should be noted that:
the algorithms and displays presented herein are not inherently related to any particular computer, virtual machine, or other apparatus. Various general purpose devices may be used with the teachings herein. The required structure for constructing such a device will be apparent from the description above. Moreover, the present invention is not directed to any particular programming language. It is appreciated that a variety of programming languages may be used to implement the teachings of the present invention as described herein, and any descriptions of specific languages are provided above to disclose the best mode of the invention.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
The various component embodiments of the invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that a microprocessor or Digital Signal Processor (DSP) may be used in practice to implement some or all of the functions of some or all of the components in the creation apparatus of a virtual machine according to embodiments of the present invention. The present invention may also be embodied as apparatus or device programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present invention may be stored on computer-readable media or may be in the form of one or more signals. Such a signal may be downloaded from an internet website or provided on a carrier signal or in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (6)
1. A method of calibrating a weigh platform, comprising:
acquiring numerical values of four sensors of the weighing platform;
calculating a difference value between the numerical value and factory calibration data of the four sensors, and judging the bearing state of the weighing platform according to the size relation between the difference value and a first threshold value;
calibrating the weighing platform according to the bearing state to obtain calibration data;
the calibrating the weighing platform according to the bearing state to obtain calibration data comprises:
taking the data read by the weighing platform for the first time as calibration data, and storing the calibration data;
wherein if the difference is less than or equal to the first threshold, the weighing platform is in an empty state;
the weighing platform is calibrated according to the bearing state to obtain calibration data, and the calibration data specifically comprises the following steps: taking the data read by the weighing platform for the first time as calibration data, and storing the calibration data;
wherein if the difference is greater than the first threshold, the weighing platform is in a non-empty state;
the weighing platform is calibrated according to the bearing state to obtain calibration data, and the calibration data specifically comprises the following steps: judging whether the stored calibration data exist or not; if the stored calibration data exists, the stored calibration data is used as calibration data, and if the stored calibration data does not exist, the factory calibration data is used as calibration data.
2. The method of claim 1,
before judging whether the stored calibration data exists, the method further comprises the following steps: and judging whether the non-idle state appears for the first time, if so, prompting a user to idle the platform, and further acquiring the numerical values of the four sensors, and if not, further judging whether the stored calibration data exists for the first time.
3. A method of calibrating a weigh platform, comprising:
connecting the weighing platform with a mobile terminal;
when the weighing platform is connected with the mobile terminal for the first time, a self-calibration instruction is sent to the weighing platform;
when the weighing platform is not connected with the mobile terminal for the first time, directly using a weighing platform self-calibration mode for calibration, wherein the method for weighing platform self-calibration is the method in any one of claims 1 to 2.
4. The method of claim 3,
after the weighing platform is subjected to self calibration, weighing data are displayed, if the data are accurate, a weight value is obtained, and if the data are inaccurate, the manual calibration and self calibration processes are carried out again to calibrate the weighing platform;
wherein the manual calibration is a calibration by a user by laying the weighing platform flat and emptying the weighing platform.
5. An apparatus for performing calibration on a weighing platform, comprising:
one or more processors, storage devices storing one or more programs;
the one or more programs, when executed by the one or more processors, implement the method of any of claims 1 to 4.
6. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the method according to any one of claims 1 to 4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811284416.5A CN109341836B (en) | 2018-10-31 | 2018-10-31 | Method and device for calibrating symmetrical platform |
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| CN201811284416.5A CN109341836B (en) | 2018-10-31 | 2018-10-31 | Method and device for calibrating symmetrical platform |
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| CN112350977B (en) * | 2019-08-06 | 2023-05-26 | 广东惠农鲜品科技有限公司 | Method and system for calibrating scale |
| CN111649813A (en) * | 2020-06-18 | 2020-09-11 | 深圳市计量质量检测研究院（国家高新技术计量站、国家数字电子产品质量监督检验中心） | Electronic scale detection method based on wifi assistance |
| CN113124988B (en) * | 2021-04-21 | 2023-01-31 | 上海三一重机股份有限公司 | Automatic weighing and calibrating method and system for excavator |
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| CN105092011B (en) * | 2015-08-13 | 2017-04-19 | 深圳市深信信息技术有限公司 | Weighing device calibration system and calibration method thereof |
| CN204788636U (en) * | 2015-08-13 | 2015-11-18 | 深圳市深信信息技术有限公司 | Weighing device |
| CN105258779B (en) * | 2015-11-03 | 2018-05-01 | 成都九洲电子信息系统股份有限公司 | Electronic scale automatic calibrating method |
| CN106706106A (en) * | 2016-11-15 | 2017-05-24 | 湖南海翼电子商务股份有限公司 | Weighing correction method, weighing correction system and weighing device |
| CN108344492B (en) * | 2017-01-22 | 2021-02-26 | 佛山市顺德区美的电热电器制造有限公司 | Weighing method and weighing device of cooking equipment, cooking equipment and inner pot thereof |
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