CN110132390B - Electronic scale capable of reducing cheating force - Google Patents
Electronic scale capable of reducing cheating force Download PDFInfo
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- CN110132390B CN110132390B CN201910431550.1A CN201910431550A CN110132390B CN 110132390 B CN110132390 B CN 110132390B CN 201910431550 A CN201910431550 A CN 201910431550A CN 110132390 B CN110132390 B CN 110132390B
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- 238000005303 weighing Methods 0.000 claims abstract description 151
- 238000012795 verification Methods 0.000 description 18
- 238000005259 measurement Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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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
- G01G19/40—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
- G01G19/4144—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 for controlling weight of goods in commercial establishments, e.g. supermarket, P.O.S. systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
- G01G23/017—Securing calibration against fraud
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- 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
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Abstract
The invention provides an electronic scale capable of reducing cheating force, which comprises a controller, and a digital display, a first weighing sensor and a second weighing sensor which are respectively connected with the controller, wherein the measuring precision of the first weighing sensor is lower than that of the second weighing sensor, and the measuring range of the first weighing sensor comprises the measuring range of the second weighing sensor; the controller adopts a first weighing sensor and a second weighing sensor to respectively weigh the commodities placed on the weighing platform, weight information detected by the second weighing sensor and the first weighing sensor is sequentially displayed on the digital display, and whether the electronic scale has large cheating force or not is determined according to the weight information detected by the second weighing sensor and the weight information detected by the first weighing sensor which are sequentially displayed on the digital display. The invention can reduce cheating force to a certain extent.
Description
Technical Field
The invention belongs to the field of electronic scales, and particularly relates to an electronic scale capable of reducing cheating force.
Background
At present, an electronic scale is a very common weighing tool in daily life, and mainly uses a weighing sensor to weigh commodities placed on a weighing platform, and uses a digital display to display the symmetrical weight. However, current electronic scales are easily taken out for modification after being sold. After the traditional electronic scale is modified, the actual weight of the scale needs to be adjusted manually by pressing corresponding keys on the electronic scale or pressing corresponding keys on a remote controller according to the selling price of commodities. The traditional modified electronic scale is selected based on manual weight display, but along with the rise of unmanned marketing, the electronic scale can be operated by a consumer, does not involve sales personnel, and can only be further modified to cheat, so that the ratio of the displayed weight to the actual weight of the electronic scale is unique. However, since the unique ratio of the displayed weight to the actual weight of the retrofit scale is greater when the sale price of the item is higher, it is likely to be found by the consumer, and the fraud gain is less when the unique ratio of the displayed weight to the actual weight of the retrofit scale is lower when the sale price of the item is lower. In order to weigh commodities with different prices, the ratio of the display weight to the actual weight needs to be set according to the price of the commodity, and the weight of the commodity purchased by a consumer is generally smaller when the price of the commodity is higher, so that the ratio of the display weight to the actual weight is generally set according to the weight of the commodity when cheating is performed intuitively, and the ratio of the display weight to the actual weight is larger when the commodity is heavier (the price of the commodity is lower). Therefore, the traditional electronic scale is not easy to be found no matter how the traditional electronic scale is modified.
Disclosure of Invention
The invention provides an electronic scale capable of reducing cheating force, and aims to solve the problem that the cheating is not easy to be found no matter how the electronic scale is modified at present.
According to a first aspect of embodiments of the present invention, an electronic scale capable of reducing cheating force is provided, including a controller, and a digital display, a first weighing sensor and a second weighing sensor respectively connected to the controller, wherein the measurement accuracy of the first weighing sensor is lower than that of the second weighing sensor, and the measurement range of the first weighing sensor includes that of the second weighing sensor; the controller adopts the first weighing sensor and the second weighing sensor to respectively weigh the commodities placed on the weighing platform, sequentially displays the weight information detected by the second weighing sensor and the first weighing sensor on the digital display, and determines whether the electronic scale has large cheating force according to the weight information detected by the second weighing sensor and the weight information detected by the first weighing sensor which are sequentially displayed on the digital display.
In an optional implementation manner, during weighing, the controller uses the second weighing sensor to weigh the first commodity placed on the weighing platform, inserts the weight information of the first commodity into a queue from the tail of the queue, and displays the weight information of the first commodity on the digital display;
the controller adopts the second weighing sensor to weigh second commodities placed on the weighing platform in sequence, weight information of the second commodities is displayed on the digital display, whether the interval time from weighing the first commodities to weighing the second commodities is longer than a corresponding preset time is judged, if yes, the weight information of the second commodities is inserted into the queue from the tail of the queue after characters in the queue are emptied, otherwise, whether the weight of the second commodities is equal to that of the first commodities is judged, if not, the weight information of the second commodities is inserted into the queue from the tail of the queue, and if not, the weight information of the second commodities is inserted into the queue from the tail of the queue after the characters in the queue are emptied;
the controller adopts the second weighing sensor to weigh a third commodity placed on the weighing platform in sequence, weight information of the third commodity is displayed on the digital display, whether the interval time from weighing the second commodity to weighing the third commodity is longer than a corresponding preset time is judged, if yes, the weight information of the third commodity is inserted into the queue from the tail of the queue after characters in the queue are emptied, otherwise, whether the weight of the third commodity is equal to the weight of the second commodity is judged, if not, the weight information of the third commodity is inserted into the queue from the tail of the queue, and if yes, the weight information of the third commodity is inserted into the queue from the tail of the queue after the characters in the queue are emptied;
the controller adopts the second weighing sensor to weigh a fourth commodity placed on the weighing platform in sequence, weight information of the fourth commodity is displayed on the digital display, whether the interval time from weighing the third commodity to weighing the fourth commodity is longer than a corresponding preset time is judged, if yes, the weight information of the fourth commodity is inserted into the queue from the tail of the queue after characters in the queue are emptied, otherwise, whether the weight of the fourth commodity is equal to the weight of the third commodity is judged, if yes, the weight information of the fourth commodity is inserted into the queue from the tail of the queue, and if not, the weight information of the fourth commodity is inserted into the queue from the tail of the queue after the characters in the queue are emptied;
the controller judges the number of the characters in the queue in real time, controls the first weighing sensor to weigh the commodity corresponding to the fourth weight information in the queue when the number of the characters in the queue is equal to 4, and displays the weight information of the commodity detected by the first weighing sensor on the digital display; and determining whether the electronic scale has larger cheating force according to the weight information detected by the second weighing sensor and the weight information detected by the first weighing sensor which are sequentially displayed on the digital display.
In another optional implementation manner, the controller empties the characters in the queue after displaying the weight information of the commodity detected by the first weighing sensor on the digital display.
The invention has the beneficial effects that:
by arranging the two weighing sensors, the ratio of the displayed weight to the actual weight can be forced to be adjusted to be minimum by illegal personnel during modification, so that cheating force is reduced to a certain extent; by designing a normal display mechanism and a cheating verification display mechanism, only the weight information detected by the second weighing sensor with higher measurement precision can be displayed during normal weighing, and the weight information detected by the second weighing sensor and the weight information detected by the first weighing sensor can be sequentially displayed during cheating verification, so that the cheating strength verification can be performed by using a simpler method while the user can be ensured to normally use good experience; by introducing the queue, after the controller receives the weight information every time, whether the user is doing cheating force check preparation or not is judged, the weight information detected by the first weighing sensor is displayed only when the four commodities are measured sequentially and the user is doing cheating force check preparation, the weight information detected by the first weighing sensor is displayed when the controller receives the weight information of the fourth commodity, and the weight information detected by the first weighing sensor can be triggered to be displayed only by inserting the weight information of the fourth commodity into the queue after the fourth commodity is determined to be weighed by the user and is also doing cheating force check preparation, so that the weight information detected by the first weighing sensor can be rapidly displayed in the cheating force check, and good experience degree in the cheating check of the user can be improved.
Drawings
FIG. 1 is a block diagram of an embodiment of an electronic scale of the present invention that reduces cheating efforts.
Detailed Description
In order to make the technical solutions in the embodiments of the present invention better understood and make the above objects, features and advantages of the embodiments of the present invention more comprehensible, the technical solutions in the embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the term "connected" is to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, or a communication between two elements, or may be a direct connection or an indirect connection through an intermediate medium, and a specific meaning of the term may be understood by those skilled in the art according to specific situations.
Referring to fig. 1, a block diagram of an embodiment of an electronic scale for reducing cheating efforts according to the present invention is shown. The electronic scale may include a controller 110, and a digital display 120, a first load cell 130 and a second load cell 140 respectively connected to the controller 110, the first load cell having a measurement accuracy lower than that of the second load cell, the first load cell having a measurement range including that of the second load cell; the controller adopts the first weighing sensor and the second weighing sensor to respectively weigh the commodities placed on the weighing platform, sequentially displays the weight information detected by the second weighing sensor and the first weighing sensor on the digital display, and determines whether the electronic scale has large cheating force according to the weight information detected by the second weighing sensor and the weight information detected by the first weighing sensor which are sequentially displayed on the digital display.
Because the difficulty of the consumer to automatically check the cheating force is possibly increased if a more complicated cheating checking method is adopted, the cheating force of the electronic scale is determined by comparing the weight information detected by the two weighing sensors for the same commodity by adopting two weighing sensors with completely different measuring precisions, so that the cheating force is easily found when the ratio of the displayed weight to the actual weight is adjusted according to the weight of the commodity. For example, when the actual weight detected by the second load cell is 8.78kg and the actual weight detected by the first load cell with lower measurement accuracy is 8.7kg, if the ratio is 1.2, the weight detected by the second load cell is 8.78 × 1.2 — 10.536 (two digits after the decimal point are reserved, namely 10.53), the weight detected by the first load cell is 8.7 × 1.2 — 10.44 (one digit after the decimal point is reserved, namely 10.4), and the two displayed data 10.53 are different from 10.4. Similarly, if the ratio is 1.01, it shows that the weight detected by the second weighing sensor is 8.78 × 1.01 ═ 8.8678 (two digits after the decimal point are reserved, i.e. 8.86) after cheating, it shows that the weight detected by the first weighing sensor is 8.7 × 1.01 ═ 8.787 (one digit after the decimal point is reserved, i.e. 8.8), and the two displayed data are 8.86 and 8.8 similar, so it can be seen that the displayed weights of the two weighing sensors in the modified electronic scale are close only when the ratio is small, and an illegal person can only design the ratio to be small when modifying, thereby reducing cheating force to a certain extent.
It can be seen from the above embodiments that the invention, by setting two weighing sensors with different measurement accuracies, according to the weight information weighed by the two weighing sensors, can easily find cheating when the ratio of the cheating display weight to the actual weight is large, thereby forcing cheaters to design the ratio to be small, and reducing the cheating force to the first extent.
Although the two weighing sensors can be adopted to force an illegal person to adjust the ratio of the displayed weight to the actual weight to the minimum in the refitting process, and the cheating force is reduced to a certain extent, if the two weighing sensors are adopted for weighing in the normal weighing process and two pieces of weight information which are obtained through symmetry are displayed, the two pieces of weight information are displayed because the measurement precision of the first weighing sensor is smaller than that of the second weighing sensor, on one hand, a consumer cannot know which weight should be used as the standard, on the other hand, certain errors can exist in the two pieces of weight, and the consumer is confused. In order to ensure the normal use of the electronic scale, the invention designs a normal display mechanism and a cheating inspection display mechanism of the electronic scale. Because the electronic scale is in the use, after the same commodity is placed on the weighing platform twice by a consumer, the probability of occurrence that another commodity with different weight is continuously placed on the weighing platform twice is very small, so that the situation can be used as a trigger condition for displaying the weight information detected by the first weighing sensor, the trigger condition is simple, and the difficulty of self-checking cheating force by the consumer is reduced.
Specifically, during weighing, the controller adopts the second weighing sensor to weigh a first commodity placed on the weighing platform, inserts the weight information of the first commodity into a queue from the tail of the queue, and displays the weight information of the first commodity on the digital display; the controller adopts the second weighing sensor to weigh the second commodities which are sequentially placed on the weighing platform, and weight information of the second commodities is displayed on the digital display. Because the weight information detected by the first weighing display is triggered to be displayed, the user can quickly lift the first commodity after the first commodity is weighed and place the first commodity on the weighing platform again, the interval time is short, if the interval time is too long, the user is not ready for cheating force verification, the controller can judge whether the interval time from weighing the first commodity to weighing the second commodity is longer than the corresponding preset time after the weight information of the second commodity is displayed on the digital display, if so, the user is not ready for cheating force verification, the controller inserts the weight information of the second commodity into the queue from the tail of the queue after the characters in the queue are emptied, otherwise, the weight of the second commodity is judged whether to be equal to the weight of the first commodity, and if so, indicating that the user is in preparation for cheating strength verification, inserting the weight information of the second commodity into the queue from the tail of the queue, and if the weight information of the second commodity is not in preparation for cheating strength verification, indicating that the user is not in preparation for cheating strength verification, and inserting the weight information of the second commodity into the queue from the tail of the queue after characters in the queue are emptied.
The controller adopts the second weighing sensor to weigh a third commodity placed on the weighing platform in sequence, weight information of the third commodity is displayed on the digital display, whether the interval time from weighing the second commodity to weighing the third commodity is longer than a corresponding preset time is judged, if yes, the user is not in cheating force verification preparation, after characters in the queue are emptied, the weight information of the third commodity is inserted into the queue from the tail of the queue, otherwise, whether the weight of the third commodity is equal to that of the second commodity is judged, if not, the user is in cheating force verification preparation, the weight information of the third commodity is inserted into the queue from the tail of the queue, if yes, the user is not in cheating force verification preparation, and after the characters in the queue are emptied, and inserting the weight information of the third commodity into the queue from the tail of the queue.
The controller adopts the second weighing sensor to weigh a fourth commodity placed on the weighing platform in sequence, weight information of the fourth commodity is displayed on the digital display, whether the interval time from weighing the third commodity to weighing the fourth commodity is longer than a corresponding preset time is judged, if yes, the user is not in cheating force verification preparation, after characters in the queue are emptied, the weight information of the fourth commodity is inserted into the queue from the tail of the queue, otherwise, whether the weight of the fourth commodity is equal to the weight of the third commodity is judged, if yes, the user is in cheating force verification preparation and is ready to finish, the weight information of the fourth commodity is inserted into the queue from the tail of the queue, and if not, the user is not in cheating force verification preparation, and after the characters in the queue are emptied, inserting the weight information of the fourth commodity into the queue from the tail of the queue.
The controller judges the number of the characters in the queue in real time, controls the first weighing sensor to weigh the commodity corresponding to the fourth weight information in the queue when the number of the characters in the queue is equal to 4, and displays the weight information of the commodity detected by the first weighing sensor on the digital display; and determining whether the electronic scale has larger cheating force according to the weight information detected by the second weighing sensor and the weight information detected by the first weighing sensor which are sequentially displayed on the digital display.
When the invention triggers and displays the weight detected by the first weighing sensor, the invention does not store the four weight information detected in the triggering process and the detection interval time between every two weight information, compares each weight information with the interval time after receiving the fourth weight information, but introduces a queue, judges whether the user is doing cheating force detection preparation or not after receiving the weight information each time, displays the weight information detected by the first weighing sensor only when the four commodities are measured and are sequentially doing cheating force detection preparation, and triggers and displays the weight information detected by the first weighing sensor only by inserting the weight information of the fourth commodity into the queue after the controller receives the weight information of the fourth commodity and determines that the user weighs the fourth commodity and also does cheating force detection preparation, therefore, the weight information detected by the first weighing sensor can be rapidly displayed in the cheating force detection, and the good experience degree in the cheating verification of the user can be improved. In addition, the controller is after showing the weight information of commodity that first weighing sensor detected on the digital display ware, will the character in the queue is emptied, not only can guarantee normally showing the weight that second weighing sensor detected in daily weighing from this, can guarantee the normal clear of cheating the check-up moreover.
According to the embodiment, the two weighing sensors are arranged, so that illegal persons can be forced to adjust the ratio of the displayed weight to the actual weight to the minimum when the illegal persons are refitted, and cheating force is reduced to a certain extent; by designing a normal display mechanism and a cheating verification display mechanism, only the weight information detected by the second weighing sensor with higher measurement precision can be displayed during normal weighing, and the weight information detected by the second weighing sensor and the weight information detected by the first weighing sensor can be sequentially displayed during cheating verification, so that the cheating strength verification can be performed by using a simpler method while the user can be ensured to normally use good experience; by introducing the queue, after the controller receives the weight information every time, whether the user is doing cheating force check preparation or not is judged, the weight information detected by the first weighing sensor is displayed only when the four commodities are measured sequentially and the user is doing cheating force check preparation, the weight information detected by the first weighing sensor is displayed when the controller receives the weight information of the fourth commodity, and the weight information detected by the first weighing sensor can be triggered to be displayed only by inserting the weight information of the fourth commodity into the queue after the fourth commodity is determined to be weighed by the user and is also doing cheating force check preparation, so that the weight information detected by the first weighing sensor can be rapidly displayed in the cheating force check, and good experience degree in the cheating check of the user can be improved.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (2)
1. An electronic scale capable of reducing cheating force is characterized by comprising a controller, and a digital display, a first weighing sensor and a second weighing sensor which are respectively connected with the controller, wherein the measuring precision of the first weighing sensor is lower than that of the second weighing sensor, and the measuring range of the first weighing sensor comprises the measuring range of the second weighing sensor; the controller adopts the first weighing sensor and the second weighing sensor to respectively weigh the commodities placed on the weighing platform, sequentially displays the weight information detected by the second weighing sensor and the first weighing sensor on the digital display, and determines whether the electronic scale has large cheating force according to the weight information detected by the second weighing sensor and the weight information detected by the first weighing sensor which are sequentially displayed on the digital display;
during weighing, the controller adopts the second weighing sensor to weigh a first commodity placed on the weighing platform, inserts the weight information of the first commodity into a queue from the tail of the queue, and displays the weight information of the first commodity on the digital display;
the controller adopts the second weighing sensor to weigh second commodities placed on the weighing platform in sequence, weight information of the second commodities is displayed on the digital display, whether the interval time from weighing the first commodities to weighing the second commodities is longer than a corresponding preset time is judged, if yes, the weight information of the second commodities is inserted into the queue from the tail of the queue after characters in the queue are emptied, otherwise, whether the weight of the second commodities is equal to that of the first commodities is judged, if not, the weight information of the second commodities is inserted into the queue from the tail of the queue, and if not, the weight information of the second commodities is inserted into the queue from the tail of the queue after the characters in the queue are emptied;
the controller adopts the second weighing sensor to weigh a third commodity placed on the weighing platform in sequence, weight information of the third commodity is displayed on the digital display, whether the interval time from weighing the second commodity to weighing the third commodity is longer than a corresponding preset time is judged, if yes, the weight information of the third commodity is inserted into the queue from the tail of the queue after characters in the queue are emptied, otherwise, whether the weight of the third commodity is equal to the weight of the second commodity is judged, if not, the weight information of the third commodity is inserted into the queue from the tail of the queue, and if yes, the weight information of the third commodity is inserted into the queue from the tail of the queue after the characters in the queue are emptied;
the controller adopts the second weighing sensor to weigh a fourth commodity placed on the weighing platform in sequence, weight information of the fourth commodity is displayed on the digital display, whether the interval time from weighing the third commodity to weighing the fourth commodity is longer than a corresponding preset time is judged, if yes, the weight information of the fourth commodity is inserted into the queue from the tail of the queue after characters in the queue are emptied, otherwise, whether the weight of the fourth commodity is equal to the weight of the third commodity is judged, if yes, the weight information of the fourth commodity is inserted into the queue from the tail of the queue, and if not, the weight information of the fourth commodity is inserted into the queue from the tail of the queue after the characters in the queue are emptied;
the controller judges the number of the characters in the queue in real time, controls the first weighing sensor to weigh the commodity corresponding to the fourth weight information in the queue when the number of the characters in the queue is equal to 4, and displays the weight information of the commodity detected by the first weighing sensor on the digital display;
and determining whether the electronic scale has larger cheating force according to the weight information detected by the second weighing sensor and the weight information detected by the first weighing sensor which are sequentially displayed on the digital display.
2. The electronic scale of claim 1, wherein the controller empties the characters in the queue after displaying the weight information of the commodity detected by the first weighing sensor on the digital display.
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| CN104344880A (en) * | 2013-07-31 | 2015-02-11 | 梅特勒-托利多(常州)精密仪器有限公司 | Weighing system, and anti-cheating method and device for weighing system |
| CN103592016A (en) * | 2013-11-19 | 2014-02-19 | 浙江省计量科学研究院 | Device and method for testing software cheating of electronic price computing scale |
| CN106127367A (en) * | 2016-06-15 | 2016-11-16 | 中邮建技术有限公司 | A kind of scene anti-cheating inspection method single with random group based on mobile terminal |
| CN109579963A (en) * | 2019-01-18 | 2019-04-05 | 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） | Autonomous type weighing anti-cheating method and system |
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