CN111397716A - Electronic scale - Google Patents
Electronic scale Download PDFInfo
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- CN111397716A CN111397716A CN202010180091.7A CN202010180091A CN111397716A CN 111397716 A CN111397716 A CN 111397716A CN 202010180091 A CN202010180091 A CN 202010180091A CN 111397716 A CN111397716 A CN 111397716A
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- scale
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- weighing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/387—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for combinatorial weighing, i.e. selecting a combination of articles whose total weight or number is closest to a desired value
- G01G19/393—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for combinatorial weighing, i.e. selecting a combination of articles whose total weight or number is closest to a desired value using two or more weighing units
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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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Abstract
The invention discloses an electronic scale which comprises a controller, an indicator, a table board, N scale pans positioned above the table board and a pressure sensor positioned below the table board, wherein the pressure sensor is used for sending weighing signals of objects on the corresponding scale pans to the controller, the controller is used for combining the weighing signals of the N scale pans according to M counterweight targets to obtain K group weights, the controller is also used for sending information of the scale pans corresponding to each group of counterweight to the indicator, and the indicator is used for prompting each group of balance pans corresponding to configuration. According to the invention, the controller combines the weighing of N weighing pans according to M counterweight targets and then controls the display of the indicator to obtain K groups of weights, so that the combined counterweight with multiple specifications is realized, and the counterweight efficiency and accuracy are improved.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to an electronic scale.
Background
With the rapid development of the e-commerce, efficient logistics distribution becomes an indispensable part, and meanwhile, the counterweight for distributing articles also meets the requirements of customers to the greatest extent. However, there are difficulties in satisfying both of them at the same time. Specifically, a demand scene is that sweet potatoes are packaged according to a selling specification, most raw materials are 200 g-350 g, and the individual raw materials are about 150g or 400 g. The following two counterweight combination modes are adopted:
1. the counterweight 550g with a single specification is suitable, but the counterweight may not be uniform in size after being packaged, and the user experience is not good after purchasing;
2. the counterweights of 500g and 650g in two specifications support the counterweight combination of 500g of 2 sweet potatoes or 650g of 2-3 sweet potatoes on the premise of ensuring the uniformity of the size.
The traditional operation mode is manual counterweight, and the scheme needs manual continuous combined calculation, for example, 4 weighing data are respectively 200g, 310g, 225g and 340 g. There are two weight targets, 500g and 650g, respectively, and the operator needs to make a permutation and combination to calculate each possible result. On one hand, the working efficiency is low, and on the other hand, the specification loss is large due to the low counterweight accuracy and precision.
At present, a multi-head balance weight combination scale is mostly adopted, different from the traditional operation mode, the balance weight calculation is carried out by the combination scale equipment in the above example, and the balance weight efficiency is improved. However, the built-in procedure of the multi-head counterweight combination balance can only realize counterweight of a specified specification, for example, only the result of the target counterweight 500g can be obtained at one time, and not two counterweight targets of two counterweight targets 500g and 650g are obtained simultaneously, that is, the scheme cannot support counterweight combinations of multiple specifications simultaneously.
Disclosure of Invention
The embodiment of the invention provides a scale, which is used for solving the problem that the conventional scale cannot support counterweight combinations with various specifications.
In a first aspect, an embodiment of the present invention provides an electronic scale, including a controller, an indicator, a table top, N scale pans located above the table top, and a pressure sensor located below the table top, where each scale pan is provided with a corresponding pressure sensor; the controller is electrically connected with the pressure sensor; the indicator is electrically connected with the controller; n is a positive integer;
the pressure sensor is used for sending a weighing signal of an article on the corresponding scale to the controller;
the controller is used for combining the weighing signals of the N weighing pans according to the M counterweight targets to obtain K groups of weights; wherein each group of configuration corresponds to a configuration target; K. m is positive integer and is less than or equal to N; k is less than or equal to M;
the controller is also used for sending the information of the scale corresponding to each group of balance weights to the indicator;
the indicator is used for prompting each group of scales corresponding to the configuration.
According to the scheme, the controller combines the weighing of the N weighing pans according to the M counterweight targets and then controls the indicator to display to obtain K groups of weights, so that the combined counterweight with multiple specifications is realized, and the counterweight efficiency and accuracy are improved.
Optionally, the system further comprises an input device; the input is configured to receive the M weight targets.
The input device may be an input device directly connected to the controller, or may be an intelligent terminal or the like.
Optionally, the indicator is N indicator lights; the N indicator lamps correspond to the N scale pans one by one;
the controller is also used for determining the display state of the indicator light corresponding to each group of counterweights; the display states of the indicator lamps corresponding to the groups of the weights are different;
the N indicator lights are used for displaying according to the display state of the indicator lights determined by the controller.
It should be noted that the indicator may also be a bell, a liquid crystal screen, or the like. When the indicator is a ring, different groups of rings emit different audio frequencies, such as different timbres, different intervals, etc.; when the indicator is a liquid crystal screen, the liquid crystal screens corresponding to the weighing pans in the same group display the same number.
According to the scheme, the display states of the indicator lamps corresponding to the counterweight combinations are different, so that the counterweight combination result is obvious, and the counterweight efficiency is improved.
Optionally, the indicator light corresponding to each group of weights is displayed in the same color.
It should be noted that the indicator lights corresponding to each group of weights can also flash according to the same rule for distinguishing.
Optionally, the controller is further configured to control an indicator light corresponding to a scale pan corresponding to the zero-weighing signal to be not lit after receiving the zero-weighing signal corresponding to the scale pan corresponding to the pressure sensor; and/or
The controller is also used for controlling an indicator lamp corresponding to the overweight scale to display abnormally after receiving a weighing signal of an article on the scale corresponding to the pressure sensor; the overweight is a set threshold exceeding a maximum weight target of the M weight targets.
Above-mentioned scheme, when operating personnel or mechanical equipment lift off the back with the article that the counter weight was accomplished, the indicator that the balance dish corresponds switches into not showing, has saved the energy on the one hand, and on the other hand makes the state surveyability that current balance dish has handled because the switching that shows to follow-up operation is more efficient. Meanwhile, when the weighing signal of the object on the scale pan exceeds the set threshold value of the maximum balance weight target in the M balance weight targets, the indicating lamp is displayed abnormally, so that the object on the scale pan is weighed and directly eliminated, the combined calculation is not carried out, and the calculation efficiency is improved.
Optionally, the system further comprises a communication interface;
the communication interface is used for being connected with an intelligent terminal; and the intelligent terminal is used for sending the M counterweight targets input by the user to the controller.
According to the scheme, the intelligent terminal is connected with the external intelligent terminal through the communication interface and used as the input of the counterweight target, and when the calculation is complex, the calculation efficiency and the accuracy rate can be improved by using external equipment.
Optionally, the N scale pans are detachably connected with the table top; the pressure sensor is detachably connected with the table board.
Above-mentioned scheme, pan of steelyard and pressure sensor can pass through the screw fixation on the mesa, because the screw is dismantled conveniently, the pan of steelyard can directly take off externally to easily carry out the clean maintenance of pan of steelyard and mesa.
In a second aspect, an embodiment of the present invention provides a method for weighting an electronic scale, where the method includes: acquiring M balance weight targets and N weighing signals of N weighing pans; n, M are all positive integers and M is less than or equal to N;
combining the N weighing signals according to the M counterweight targets to obtain K groups of weights; wherein each group of configuration corresponds to a configuration target; k is a positive integer and is less than or equal to M;
and displaying the scale pans corresponding to each group of balance weights.
According to the scheme, the controller combines the weighing of the N weighing pans according to the M counterweight targets and then controls the indicator to display to obtain K groups of weights, so that the combined counterweight with multiple specifications is realized, and the counterweight efficiency and accuracy are improved.
Optionally, show the balance scale that every group counter weight corresponds, include:
determining the display state of the indicator lamp corresponding to the weighing scale of each group of balance weights; the display states of each group of balance weights are different;
and displaying the indicator light of each scale according to the display state of each group of balance weights.
It should be noted that different sets of scales can be distinguished by different display colors or different flashing frequencies, etc.
Optionally, after the weighing signal of the object on the scale pan is overweight, the indicator lamp corresponding to the overweight scale pan is controlled to display abnormally; the overweight is a set threshold exceeding a maximum counterweight target of the M counterweight targets; and/or
And if the weighing signal of the scale pan is a zero weighing signal, controlling the indicator light corresponding to the scale pan with the zero weighing signal not to be on.
According to the scheme, the indicating lamp is displayed abnormally when the weighing signal of the object on the scale pan exceeds the set threshold value of the maximum balance weight target in the M balance weight targets, so that the weighing of the object on the scale pan is directly eliminated, the combined calculation is not performed, and the calculation efficiency is improved. Meanwhile, after an operator or mechanical equipment unloads the article with the counterweight completed, the indicator corresponding to the scale pan is switched to be not displayed, so that on one hand, energy is saved, and on the other hand, the processed state of the current scale pan is clear at a glance due to the switching of the display, and therefore the subsequent operation is more efficient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic diagram of an electronic scale according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a pressure sensor of an electronic scale according to an embodiment of the present invention;
fig. 3 is a flowchart of a method for performing a weighting process by an electronic scale according to an embodiment of the present invention.
Detailed Description
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the specification, and it should be understood that the embodiments and specific features of the embodiments of the present invention are detailed descriptions of the technical solutions of the present invention, and are not limitations of the technical solutions of the present invention, and the technical features of the embodiments and examples of the present invention may be combined with each other without conflict.
The embodiment of the invention provides an electronic scale which comprises a controller, an indicator, a table board, N scale pans and pressure sensors, wherein the N scale pans are positioned above the table board; the controller is electrically connected with the pressure sensor; the indicator is electrically connected with the controller; n is a positive integer;
the pressure sensor is used for sending a weighing signal of an article on the corresponding scale to the controller;
the controller is used for combining the weighing signals of the N weighing pans according to the M counterweight targets to obtain K groups of weights; wherein each group of configuration corresponds to a configuration target; K. m is positive integer and is less than or equal to N; k is less than or equal to M;
the controller is also used for sending the information of the scale corresponding to each group of balance weights to the indicator;
the indicator is used for prompting each group of scales corresponding to the configuration.
It should be noted that the scale pans correspond to the pressure sensors one to one, each pressure sensor is below the corresponding scale pan, and each pressure sensor includes a sensor AD module.
In the embodiment of the present application, each set of configurations corresponds to one configuration target, and when the weight of any scale pan is not in all configurations, it means that the weight of the scale pan cannot be combined with the weight of other scale pans to reach the counterweight target, so there is a case where the weighing signals of N scale pans are combined according to M counterweight targets to obtain the weight of K sets, and K is less than M.
Further, the electronic scale also comprises an input device; the input is for receiving M counterweight targets.
The input device may be an input device directly connected to the controller, or may be an intelligent terminal or the like.
In order to better explain the present invention, the following briefly describes the implementation principle of the scale provided by the present invention.
Firstly, placing an article on a scale pan; it should be noted that the placement may be performed manually or by a machine such as a conveyor, and the present application is not limited to this.
Then, the pressure sensor converts the weight of the object on the corresponding scale into a digital signal through a sensor AD module;
the controller then performs a combined calculation by the processor of the weight of the item represented by the received digital signal.
And finally, displaying the calculation result through an indicator.
In the embodiment of the present application, the table top and the scale pan are made of light materials such as PVC materials or stainless steel materials, which is not particularly limited in the present application. Because mesa and scale pan have adopted light material to one person can easily move and move to the workstation that needs on, can see that the portability of the scale that this application embodiment provided is very strong.
In the embodiment of the application, the indicator is N indicator lamps, and the N indicator lamps correspond to the N scale pans one by one.
Specifically, the controller is further configured to determine display states of the indicator lights corresponding to each set of weights, where the display states of the indicator lights corresponding to each set of weights are different. The N indicator lights are used for displaying according to the display state of the indicator lights determined by the controller.
It should be noted that the indicator may also be a bell, a liquid crystal screen, or the like. When the indicator is a ring, different groups of rings emit different audio frequencies, such as different timbres, different intervals, etc.; when the indicator is a liquid crystal screen, the liquid crystal screens corresponding to the weighing pans in the same group display the same number; or the electronic scale only comprises a liquid crystal screen, and the information of each scale pan corresponding to each group of balance weights is directly displayed on the liquid crystal screen, for example, 490 grams of configuration is obtained by combining the scale pan 1 and the scale pan 2, and the configuration is close to 500 grams of configuration target.
According to the scheme, the display states of the indicator lamps corresponding to the counterweight combinations are different, so that the counterweight combination result is obvious, and the counterweight efficiency is improved.
In this application embodiment, when the indicator is the pilot lamp, the pilot lamp that every group counter weight corresponds shows for same colour.
Further, when the indicator is a sound indicator, the display status of each group may be the same display color, the same flashing frequency, and the like, which is not specifically limited in the present application.
For example, there are 4 scales, namely, scale 1, scale 2, scale 3 and scale 4. Based on this, the corresponding indicator lights are indicator light a, indicator light B, indicator light C and indicator light D, respectively.
At this point, there are two weight targets 500g and 650g, respectively, and scales 1, 2, 3, and 4 weigh 280g, 310g, 215g, and 330g, respectively. The controller combines and calculates the scale pan 1 and the scale pan 3 as a group, and the scale pan 2 and the scale pan 4 as a group.
Specifically, the indicator lights of scale pan 1 and scale pan 3 are on green, and the indicator lights of scale pan 2 and scale pan 4 are on yellow. Thus, the combined weight result for scale pan 1 and scale pan 3 is 495g, which is the closest result for a target weight of 500g, while the combined weight result for scale pan 2 and scale pan 4 is 640g, which is the closest result for a target weight of 650 g.
As can be seen from the above, each of the K groups corresponds to a weight target, and the combined weight result of each group is within a preset range including the weight target.
In the embodiment of the application, the electronic scale further comprises a communication interface;
it should be noted that the communication interface is an external interface, and may be a USB communication, which is not specifically limited in this application; the communication interface is used for being connected with an external intelligent terminal, and the electronic scale can carry out balance weight combination calculation through the input of the external intelligent terminal or through the input of the external intelligent terminal.
According to the scheme, the intelligent terminal is connected with the external intelligent terminal through the communication interface and used as the input of the counterweight target, and when the calculation is complex, the calculation efficiency and the accuracy rate can be improved by using external equipment.
For example, a tablet or a mobile phone device is connected through a USB interface.
In the embodiment of the application, in a possible implementation method, the controller converts the received digital signals into the weight of the article to perform combined calculation, and sends the calculation result to the external intelligent device through the communication interface. That is to say, the electronic scale does not have an indicator, but uses an accessed external intelligent terminal as the indicator.
In another possible implementation method, the controller sends the received digital signal to an external intelligent device through a signal interface, calculates a multi-specification counterweight combination through the external device, transmits combination data to the controller, and controls the state display of the indicator through the controller. Or, the counterweight combination is directly displayed on the intelligent terminal, and the intelligent terminal controls the state display of the indicator. It can be seen that there are many combinations and implementations possible.
In the embodiment of the application, the controller is further configured to control the indicator light corresponding to the scale pan with the zero weighing signal to be not turned on after receiving the zero weighing signal corresponding to the scale pan with the pressure sensor; and/or
The controller is also used for controlling an indicator lamp corresponding to the overweight scale to display abnormally after receiving a weighing signal of an article on the scale corresponding to the pressure sensor; the overweight is a set threshold exceeding the maximum weight target of the M weight targets.
For example, there are two weight targets, 500g and 650g, respectively, and 4 scales, scale a, scale b, scale c, and scale d, respectively. Based on this, the corresponding indicator lights are indicator light a, indicator light B, indicator light C and indicator light D, respectively.
At this time, scale pan 1, scale pan 2, scale pan 3, and scale pan 4 weighed 280g, 780g, 215g, and 330g, respectively.
From the above, it can be seen that the weighing data corresponding to the scale 2 is 780g, exceeds the maximum weight target 130g of the two weight targets, and exceeds the set threshold, and at this time, the indicator light B corresponding to the scale 2 displays red to indicate an error.
Above-mentioned scheme, when operating personnel or mechanical equipment lift off the back with the article that the counter weight was accomplished, the indicator that the balance dish corresponds switches into not showing, has saved the energy on the one hand, and on the other hand makes the state surveyability that current balance dish has handled because the switching that shows to follow-up operation is more efficient. Meanwhile, when the weighing signal of the object on the scale pan exceeds the set threshold value of the maximum balance weight target in the M balance weight targets, the indicating lamp is displayed abnormally, so that the object on the scale pan is weighed and directly eliminated, the combined calculation is not carried out, and the calculation efficiency is improved.
In the embodiment of the application, N scale pans are detachably connected with the table board; the pressure sensor is detachably connected with the table-board.
Based on the above, scale pan and pressure sensor can pass through the screw fixation on the mesa, because the screw is dismantled conveniently, and the scale pan can directly take off externally to easily carry out the clean maintenance of scale pan and mesa. The scale and the pressure sensor can be clamped through an opening with a specific shape, which is not particularly limited in the present application.
The scales provided by the embodiments of the present invention are further explained below with reference to specific examples.
As shown in fig. 1, the scale comprises a controller, a table top, 8 scales positioned above the table top, and 8 indicator lights.
Specifically, the scale has the overall dimensions of 800mm in length, 300mm in width and 70mm in height. The length and the width of the table top are respectively 800mm and 300mm, the length and the width of the scale pan are respectively 200mm and 70mm, and the distance between the center lines of the scale pan is 90 mm; the indicator light is 8 signal lights.
Furthermore, the circuit part comprises 8 pressure sensors, it should be noted that the pressure sensors are located below the corresponding scale pan, and the scale pan and the pressure sensors are fixed on the table top through screws.
It should be noted that, when the table top and the scale pan are made of PVC materials, the weight of the whole combined scale is about 5 kg; when the table top and the scale pan are made of stainless steel materials, the whole combined scale is about 9 kg. And because the length is 0.8 meter, one person can easily move and place the mobile phone on a required workbench, so that the portability is strong.
In the embodiment of the present application, each pressure sensor has a sensor AD module, and 8 HX711 may be adopted, which is not specifically limited in the present application.
Further, the structure of the specific pressure sensor is shown in fig. 2:
in the embodiment of the present application, the shaded portion in fig. 2 is a chip for measuring resistance. The scale pan is placed at the end of the pressure sensor responsible for weighing through two apertures of the table top, as shown in aperture 1 and aperture 2 in fig. 1, corresponding to 2M 4 holes on the pressure sensor in fig. 2, that is, the screw for fixing passes through the scale pan from top to bottom at the end of the pressure sensor responsible for weighing, two apertures of the table top and 2M 4 holes on the pressure sensor, therefore, the screw fixes the scale pan, the hollow tube and the pressure sensor together, the hollow tube passes through two apertures of the table top, so that the scale pan and the pressure sensor keep a fixed distance, and the scale pan, the hollow tube and the pressure sensor are not in direct contact with the table top.
Further, because the balance pan can directly take off through dismantling the screw externally, can see out, the clean maintenance of balance pan and mesa is easily carried out to the balance that this application embodiment provided.
Further, the other end of the pressure sensor, as shown in fig. 2, has 2M 5 holes corresponding to the aperture 3 and the aperture 4 of the table top of fig. 1. That is, the screw for fixing passes through the scale, the two apertures of the table top and the 2M 5 holes on the pressure sensor from the top down at one time at the other end of the pressure sensor, whereby the screw fixes the scale, the table top and the pressure sensor together.
In order to prevent the interference of the electric signals, an insulating sheet hole is arranged between the 2M 5 holes on the pressure sensor and two holes on the table top, and the thickness of the insulating sheet hole can be 1 mm.
It should be noted that the hollow tube and the insulating sheet make the pressure sensor not directly contact with the table-board, so that the pressure sensor is in a suspended state except for the screw fixing points at the two ends, and the weighing reliability is guaranteed.
It can be seen from the above that, the pressure sensor can be taken down by disassembling the screw, so that the maintenance and the replacement of the pressure sensor are more convenient.
Above-mentioned scheme, the weight subassembly is pressure sensor and sensor AD module modularization promptly, conveniently changes the sensor of trouble and the sensor AD module of being connected with it.
Further, the controller board may employ 1 Arduino MEGA 2560, which is not specifically limited in this application.
Based on the above, the external interface has a communication interface, and USB communication may be adopted, which is not specifically limited in this application. The DC power interface may be fitted with a 6V2A power adapter.
In the embodiment of the application, the controller realizes the functions of multi-path weighing, counterweight setting, counterweight combination algorithm, indicator lamp lighting rule, simple USB serial port communication protocol, sensor parameter calibration and the like.
Furthermore, the controller eliminates jitter through fast scanning weight data in the AD module by using a general algorithm, calculates an optimal single-specification counterweight combination according to the weight range set by the counterweight, sends a lighting signal to a corresponding indicator lamp, and an operator takes the commodity combination with good counterweight according to the lighted signal lamp.
In the embodiment of the application, in order to avoid the difference of the pressure sensors, the controller comprises sensor parameter calibration. For example, when a pressure sensor is replaced, the parameter calibration is performed by weighing the replaced sensor by 0 weight or actually weighing the sensor. Of course, the prior art provides a number of ways to calibrate the parameters of the actual weighing of the replacement sensor, which are not listed here.
In one possible implementation method, the controller is connected to the Android tablet or mobile phone device through a USB interface. A group of simple Serial port application data communication protocols are designed on the upper layer of the Arduino Serial module. A group of weighing data with vibration eliminated is transmitted to Android equipment, a multi-specification counterweight combination is calculated through Android app, the combined data is transmitted to an Arduino controller, and the controller controls the signal lamp to be turned on.
Above-mentioned scheme, through portable mesa design, easily carry when low-cost. Through using USB mouth communication, utilize high performance equipment to realize many specifications counter weight.
Based on the above, the present invention further provides a method for weighting an electronic scale, wherein a flow chart of the specific method is shown in fig. 3:
N, M are positive integers, and M is equal to or less than N.
And 302, combining the N weighing signals according to the M weight targets to obtain K groups of weights.
It should be noted that each group of counterweights corresponds to one counterweight target; k is a positive integer and K is less than or equal to M.
And step 303, displaying the scale pans corresponding to each group of balance weights.
In step 301, in addition to the indicator corresponding to each scale, other indicators may be included, such as a total indicator, for indicating whether the operation time is about to end.
In step 302, determining the display state of the indicator light corresponding to each group of balance scales; the display states of each group of balance weights are different; and displaying the indicator light of each scale according to the display state of each group of balance weights.
It should be noted that different sets of scales can be distinguished by different display colors or different flashing frequencies, etc.
For example, there are two weight targets, 300g and 200g, respectively, and there are 3 scales, namely scale 1, scale 2 and scale 3. The weighing scales of scale pan 1, scale pan 2 and scale pan 3 are respectively 180g, 120g and 100 g. The controller takes the scale pan 1 and the scale pan 2 as a group after combined calculation.
Specifically, the indicator lights of the scale pan 1 and the scale pan 2 are bright green, and the indicator lights do not display due to the difference between the weighing data and the balance weight target of the scale pan 3. Thus, a 300g weight result was obtained.
Furthermore, in the embodiment of the application, the articles corresponding to the weighing pans with smaller weighing data difference are preferentially combined in a counterweight manner.
For example, the weight targets are 300g, and the total of 4 scales are scale 1, scale 2, scale 3, and scale 4. Scales 1, 2, 3, 4 weighed 140g, 160g, 100g, 200g, respectively. The controller takes the scale pan 1 and the scale pan 2 as a group after combined calculation. This is due to the fact that the difference between scale pan 1 and scale pan 2 is 20g, whereas the difference between scale pan 3 and scale pan 4 is 100g, and the difference between the weighing data of scale pan 1 and scale pan 2 is small.
Above-mentioned scheme carries out the counter weight combination through the article that the weighing data phase difference is less corresponds and makes the article volume even, has improved user experience.
Based on the above, if the weighing signal of the object on the scale pan is overweight, the indicator lamp corresponding to the overweight scale pan is controlled to display abnormally; the overweight is a set threshold value exceeding the maximum counterweight target in the M counterweight targets; and/or
And if the weighing signal of the scale pan is a zero weighing signal, controlling the indicator lamp corresponding to the scale pan with the zero weighing signal not to be on.
According to the scheme, the indicating lamp is displayed abnormally when the weighing signal of the object on the scale pan exceeds the set threshold value of the maximum balance weight target in the M balance weight targets, so that the weighing of the object on the scale pan is directly eliminated, the combined calculation is not performed, and the calculation efficiency is improved. Meanwhile, after an operator or mechanical equipment unloads the article with the counterweight completed, the indicator corresponding to the scale pan is switched to be not displayed, so that on one hand, energy is saved, and on the other hand, the processed state of the current scale pan is clear at a glance due to the switching of the display, and therefore the subsequent operation is more efficient. For example, there are two weight targets, 300g and 200g, respectively, and there are 3 scales, namely scale 1, scale 2 and scale 3. The weighing scales of scale pan 1, scale pan 2 and scale pan 3 are respectively 180g, 120g and 400 g.
Based on the above, since the weighing data of the scale pan 3 is 400g, which exceeds the weight targets of 300g and 200g, the indicator light corresponding to the scale pan 3 is displayed in red, and the weighing data of the scale pan 3 is not subjected to the combination calculation.
Based on the same technical concept, the embodiment of the invention also provides an equipment terminal, and the equipment terminal can comprise the scale.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An electronic scale is characterized by comprising a controller, an indicator, a table board, N scale pans and a pressure sensor, wherein the N scale pans are positioned above the table board, the pressure sensor is positioned below the table board, and each scale pan is provided with a corresponding pressure sensor; the controller is electrically connected with the pressure sensor; the indicator is electrically connected with the controller; n is a positive integer;
the pressure sensor is used for sending a weighing signal of an article on the corresponding scale to the controller;
the controller is used for combining the weighing signals of the N weighing pans according to the M counterweight targets to obtain K groups of weights; wherein each group of configuration corresponds to a configuration target; K. m is positive integer and is less than or equal to N; k is less than or equal to M;
the controller is also used for sending the information of the scale corresponding to each group of balance weights to the indicator;
the indicator is used for prompting each group of scales corresponding to the configuration.
2. An electronic scale according to claim 1, further comprising an input; the input is configured to receive the M weight targets.
3. An electronic scale according to claim 1, wherein the indicator is N indicator lights; the N indicator lamps correspond to the N scale pans one by one;
the controller is also used for determining the display state of the indicator light corresponding to each group of counterweights; the display states of the indicator lamps corresponding to the groups of the weights are different;
the N indicator lights are used for displaying according to the display state of the indicator lights determined by the controller.
4. An electronic scale according to claim 3, wherein the indicator lights for each set of weights are displayed in the same colour.
5. The electronic scale according to claim 3, wherein the controller is further configured to control the indicator light corresponding to the scale pan with the zero weighing signal to be not lighted after receiving the zero weighing signal corresponding to the scale pan with the pressure sensor; and/or
The controller is also used for controlling an indicator lamp corresponding to the overweight scale to display abnormally after receiving a weighing signal of an article on the scale corresponding to the pressure sensor; the overweight is a set threshold exceeding a maximum weight target of the M weight targets.
6. An electronic scale according to claim 1, further comprising a communication interface;
the communication interface is used for being connected with an intelligent terminal; and the intelligent terminal is used for sending the M counterweight targets input by the user to the controller.
7. An electronic scale according to any one of claims 1 to 6, wherein the N scale pans are detachably connected to the platform;
the pressure sensor is detachably connected with the table board.
8. A method for weighting an electronic scale is characterized by comprising the following steps:
acquiring M balance weight targets and N weighing signals of N weighing pans; n, M are all positive integers and M is less than or equal to N;
combining the N weighing signals according to the M counterweight targets to obtain K groups of weights; wherein each group of configuration corresponds to a configuration target; k is a positive integer and is less than or equal to M;
and displaying the scale pans corresponding to each group of balance weights.
9. The method of claim 8, wherein said displaying the scale pan corresponding to each set of weights comprises:
determining the display state of the indicator lamp corresponding to the weighing scale of each group of balance weights; the display states of each group of balance weights are different;
and displaying the indicator light of each scale according to the display state of each group of balance weights.
10. The method of claim 9, further comprising: if the weighing signal of the object on the scale pan is overweight, controlling an indicator lamp corresponding to the overweight scale pan to display abnormally; the overweight is a set threshold exceeding a maximum counterweight target of the M counterweight targets; and/or
And if the weighing signal of the scale pan is a zero weighing signal, controlling the indicator light corresponding to the scale pan with the zero weighing signal not to be on.
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Application publication date: 20200710 |