CN211504377U - Anti-cheating electronic scale system - Google Patents
Anti-cheating electronic scale system Download PDFInfo
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- CN211504377U CN211504377U CN202020442826.4U CN202020442826U CN211504377U CN 211504377 U CN211504377 U CN 211504377U CN 202020442826 U CN202020442826 U CN 202020442826U CN 211504377 U CN211504377 U CN 211504377U
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- 238000005303 weighing Methods 0.000 claims abstract description 42
- 238000004891 communication Methods 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims description 6
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 6
- 102100036285 25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial Human genes 0.000 description 4
- 101000875403 Homo sapiens 25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial Proteins 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
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Abstract
The utility model discloses an anti-cheating electronic scale system, anti-cheating electronic scale system includes: the electronic scale comprises a shell and a main control module arranged in the shell, wherein the main control module comprises a weighing sensor and a main control board integrated with the weighing sensor, and the weighing sensor is electrically connected with the main control board; and the main control board is in communication connection with the cloud server. The anti-cheating electronic scale system has a strong anti-cheating function, and can almost avoid the risk of electronic scale cheating.
Description
Technical Field
The utility model belongs to the technical field of weigh, in particular to prevent electronic scale system of practising fraud.
Background
In the prior art, the electronic scale is used for weighing, and the electronic scale in the prior art is easily cheated by lawless persons, for example, the cheating purpose is achieved by intercepting and modifying an analog signal sent to an analog-to-digital converter by a weighing sensor in the electronic scale or replacing internal circuit elements of the electronic scale, such as the weighing sensor, a single chip microcomputer and the like.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing an anti-cheating electronic scale system, aim at solving the problem that exists among the above-mentioned prior art that proposes.
In order to achieve the above object, the utility model provides an anti-cheating electronic scale system, the anti-cheating electronic scale system includes: the electronic scale comprises a shell and a main control module arranged in the shell, wherein the main control module comprises a weighing sensor and a main control board integrated with the weighing sensor, and the weighing sensor is electrically connected with the main control board; and the main control board is in communication connection with the cloud server.
Further, the electronic scale still includes: the communication module is in communication connection with the main control board, and the main control board is in encrypted communication with the cloud server through the communication module.
Further, the electronic scale still includes: and two signal lines led out from the main control module are connected between the external equipment and the main control module to realize the encrypted serial control of the main control module on the external equipment.
Furthermore, one of the two signal lines is a clock signal line, and the other signal line is a data signal line.
Further, the anti-cheating electronic scale system comprises: and the power circuit is connected to an external power supply and is electrically connected to the main control module through the two signal lines.
Further, the working mode of the power supply circuit is a linear voltage regulator tube or a DCDC converter.
Furthermore, the power supply circuit further comprises a voltage detection circuit, and the voltage detection circuit is used for detecting the output voltage of the power supply circuit and feeding back the output voltage to the main control module.
Further, a plurality of the external devices include: the I/O expansion interface is connected to the main control module through the two signal lines and is electrically connected with the power circuit; the keyboard is electrically connected with the I/O expansion interface, and the keyboard realizes encrypted communication with the main control module through the I/O expansion interface.
Further, the external device includes: the display is connected to the main control module through the two signal lines to realize encrypted communication between the display and the main control module, and the display is electrically connected with the power circuit.
Further, the main control board is sealed in the weighing sensor through glue.
The utility model discloses an electronic scale system prevents practising fraud compares in prior art, has following technological effect at least:
(1) the main control board is in communication connection with the cloud server, and when the main control board and other electronic scale components such as a weighing sensor, a display, a keyboard and the like are replaced by lawless persons, the main control board and other electronic scale components can be monitored by the cloud server to identify authenticity, so that supervision by a supervision department is facilitated;
(2) the data between the main control board and the external equipment is used after being encrypted and decrypted, so that the data between the main control board and the external equipment is prevented from being intercepted and modified;
(3) the main control board is sealed at the weighing sensor end through a colloid, so that the instability caused by the influence of the environment is prevented; meanwhile, the main control board transmits digital signals outwards, so that the radio frequency interference resistance is enhanced;
(4) through reasonable design of external equipment, the main control board can control an external display, a keyboard and a power circuit by at least four signal wires, namely a power wire VDD1, a ground wire GND, a data signal wire SDA and a clock signal wire SCL, so that all functions of the whole electronic scale are realized;
(5) compared with the weighing sensor in the prior art, the number of the 4 signal wires is not increased, and meanwhile, the requirement on a transmission line for transmitting digital signals is reduced because the radio frequency resistance performance is not required to be considered, so that the cost of the signal wires is reduced;
(6) the external equipment does not need an additional single chip microcomputer, and simultaneously, because the external equipment only contains simple digital logic, the requirement on a PCB is very low, and the PCB cost is greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a frame of an embodiment of an anti-cheating electronic scale system of the present invention
Fig. 2 is a schematic diagram of a frame of an electronic scale according to an embodiment of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides an anti-cheating electronic scale system 300, wherein the anti-cheating electronic scale system 300 comprises: an electronic scale 100, wherein the electronic scale 100 includes a housing (not shown) and a main control module 10 disposed in the housing, the main control module 10 includes a load cell 11 and a main control board 12 integrally disposed with the load cell 11, and the load cell 11 is electrically connected to the main control board 12; and the main control board 12 is in communication connection with the cloud server 200.
In this embodiment, the housing may have any shape, and a main control module 10 is disposed in the housing, and the main control module 10 is used for controlling and implementing the weighing function of the electronic scale 100. Specifically, the main control module 10 includes a load cell 11 and a main control board 12 electrically connected to the load cell 11, the load cell 11 is configured to detect pressure information of an object to be weighed, the pressure information is generally an analog signal, and the load cell 11 sends the pressure information in the form of the analog signal to the main control board 12.
It should be particularly pointed out that, in this embodiment, the main control board 12 is integrated into the weighing sensor 11, for example, the main control board 12 may be sealed in the weighing sensor 11 through a colloid, so that, on one hand, the transmission distance of the analog signal from the weighing sensor 11 to the main control board 12 may be shortened, thereby avoiding the analog signal from being interfered by radio frequency, and also avoiding the problem that when the main control module 10 is too far away from the weighing sensor 11, the temperature of the positions where the main control module 10 and the weighing sensor 11 are located is different, and the actual temperature of the weighing sensor 11 cannot be faithfully reflected, therefore, the main control board 12 of the present invention may automatically correct the error generated by the temperature of the weighing sensor 11, and ensure the accuracy of receiving the analog signal; on the other hand, the main control board 12 is integrated into the weighing sensor 11, so that the analog signal between the weighing sensor 11 and the main control board 12 can be prevented from being intercepted and cheated by lawless persons, and the weighing sensor 11 or the main control module 10 can be prevented from being replaced by lawless persons, thereby improving the anti-cheating performance of the anti-cheating electronic scale system 300.
Further, the main control board 12 is in communication connection with the cloud server 200, and when the main control board 12 and other electronic scale 100 components such as the weighing sensor 11 are replaced by lawless persons, the electronic scale can be monitored by the cloud server 200 to identify authenticity, so that a monitoring department can conveniently monitor the electronic scale; specifically, will weighing sensor 11's serial number, main control panel 12's serial number and other external device 20's serial number constitute key data, will key data keep in simultaneously cloud server 200 with in the main control panel 12 when weighing sensor 11, main control panel 12 and external device 20 etc. are changed, key data in the main control panel 12 with key data in the cloud server 200 do not match, then can judge weighing sensor 11 and/or main control panel 12 are changed.
Further, the electronic scale 100 further includes: the communication module 30, the communication module 30 is in communication connection with the main control board 12, and the main control board 12 performs encryption communication with the cloud server 200 through the communication module 30.
In this embodiment, the communication module 30 may be a wired communication module 30 or a wireless communication module 30 such as a Wi-Fi module, a bluetooth module, a cellular communication module, etc., the communication module 30 can be connected to the main control board 12 through a serial port line (not shown), so as to realize communication connection between the communication module 30 and the main control board 12, wherein, the main control board 12 performs encrypted communication with the cloud server 200 through the communication module 30, the data sent by the main control board 12 to the cloud server 200 is encrypted, and the cloud server 200 receives the information sent by the main control board 12 and then decrypts the information for use, and similarly, the data sent by the cloud server 200 to the main control board 12 is encrypted, and the main control board 12 receives the information sent by the cloud server 200 and then decrypts the information for use. Specific encryption and decryption modes include, but are not limited to: and encrypting and decrypting the data transmitted between the main control board 12 and the cloud server 200 through the key data.
Further, the electronic scale 100 further includes: the system comprises a plurality of external devices 20, and two signal lines SCL and SDA led out from the main control module 10 are connected between the plurality of external devices 20 and the main control module 10, so as to realize the encrypted serial control of the main control module 10 on the external devices 20.
In this embodiment, two signal lines SCL and SDA are led out from the main control module 10, one of the two signal lines SCL and SDA is a clock signal line SCL, and the other one of the two signal lines SCL and SDA is a data signal line SDA, and the multiple external devices 20 of the main control module 10 are encrypted and controlled serially through the two signal lines SCL and SDA. The data sent by the main control board 12 to the external device 20 is encrypted, the external device 20 receives the information sent by the main control board 12 and then decrypts the information for use, and similarly, the data sent by the external device 20 to the main control board 12 is encrypted, and the main control board 12 receives the information sent by the external device 20 and then decrypts the information for use, so that the data between the main control board 12 and the external device 20 is prevented from being intercepted and modified. Specific encryption and decryption modes include, but are not limited to: and encrypting and decrypting the data transmitted between the main control board 12 and the external device 20 through the serial number of the external device 20.
In this embodiment, the main control module 10 only needs two signal lines SCL and SDA to control the plurality of external devices 20, which reduces the number of signal lines compared to the prior art, thereby reducing the cost; the main control board 12 includes a single chip 121 and an analog-to-digital converter 122 connected between the single chip 121 and the weighing sensor 11, the weighing sensor 11 sends pressure information to the analog-to-digital converter 122, the analog-to-digital converter 122 converts the pressure information in the form of analog signals into digital signals, and the display of information such as weight and price is realized through the cooperation with the external device 20; because the main control module 10 outputs digital signals when controlling the external device 20, and the digital signals are not interfered by radio frequency, the two signal lines SCL and SDA do not use transmission lines with radio frequency interference resistance, but only use low-cost common transmission lines without radio frequency interference resistance, thereby further reducing the cost of the anti-cheating electronic scale system 300.
Further, the external device 20 includes a power circuit, an I/O expansion interface, a keyboard and a display, the power circuit is connected to the power source 30, and the power circuit, the I/O expansion interface and the display are electrically connected to the main control board 12 through two signal lines SCL and SDA, meanwhile, the communication module 30, the keyboard and the display are also connected to the power circuit, and the keyboard is also electrically connected to the I/O expansion interface. In addition, when the two signal lines SCL and SDA are not enough to control the display, the display may also be controlled by the IO expansion interface in combination with the two signal lines SCL and SDA. In addition, a ground wire GND and a power wire VDD1 are also led out from the main control board 12, the ground wire GND is grounded, and the power wire VDD1 is connected to the power circuit to ensure the normal operation of the main control board 12.
In this embodiment, the power circuit is connected to the power supply 30 to obtain electric energy, and the power circuit outputs working voltages required by the single chip 121, the display, the keyboard and the communication module to drive the single chip 121, the display, the keyboard and the communication module to work normally, specifically, the working mode of the power circuit is a linear voltage regulator tube or a DCDC converter, and the working mode and the output level value of the power circuit can be controlled by the main control board 12 and can be adjusted according to different situations.
Further, the power supply circuit further includes a voltage detection circuit 21, the voltage detection circuit 21 is configured to detect an output voltage of the power supply circuit and feed back the output voltage to the main control board 12, and the main control board 12 may obtain the output voltage of the power supply circuit through a communication interface and control the power supply circuit to output a working voltage required by the keyboard, the display, and the communication module 30; in the prior art, electronic scale 100 needs detect power supply circuit's output voltage through singlechip 121, the utility model discloses in because singlechip 121 has integrated to weighing sensor 11, if do not change power supply circuit's mode, just need send power supply circuit's output voltage to singlechip 121 through other signal line, this has just increased a signal line, and through voltage detection circuit 21 that has integrated in power supply circuit in this embodiment, detects power supply circuit's output voltage feeds back to main control board 12, main control board 12 can acquire through communication interface power supply circuit's output voltage, has reduced 1 signal line in other words, the cost is reduced.
The utility model discloses an electronic scale system 300 that prevents practising fraud theory of operation as follows: the power circuit supplies power to the main control board 12, the external device 20 and other parts: the weighing sensor 11 is configured to detect a pressure signal and send the pressure signal to the analog-to-digital converter 122, the analog-to-digital converter 122 converts the pressure signal in an analog signal form into a digital signal and sends the digital signal to the single chip microcomputer 121, the single chip microcomputer 121 performs data processing on the digital signal to obtain weight information, reads an encrypted keyboard request, encrypts and sends the weight information, unit price information, and total price information to a display, and the display decrypts and displays the weight information, the unit price information, and the total price information. Meanwhile, when the components of the electronic scale 100, such as the weighing sensor 11, the main control board 12, the display, the keyboard, etc., are replaced, they can be monitored by the cloud server 200, which is convenient for the supervision department to supervise.
In the prior art, an analog signal sent by a weighing sensor 11 of an electronic scale 100 is very weak, and can be sent to an analog-to-digital converter 122 on a main control board 12 through a long transmission line, so that the analog signal is easily subjected to radio frequency interference; meanwhile, the analog-to-digital converter 122 belongs to a high-precision analog device, and is very susceptible to long-term exposure to the environment, such as: when the moisture is applied, foreign matters are accumulated, which causes instability and the like. If the analog-to-digital converter 122 is integrated into the load cell 11, the load cell 11 and the main control board 12 are still far apart, and the main control board 12 cannot process data nearby, the following problems still exist: the weighing sensor 11 usually has temperature deviation, and can be corrected by the temperature measured by the main control board 12, but the weighing sensor 11 and the main control board 12 are far apart, and the temperature is different, so that the actual temperature of the sensor cannot be faithfully reflected; meanwhile, the digital signal sent by the analog-to-digital converter 122 is easy to intercept and change, which is not beneficial to anti-cheating.
The utility model discloses an anti-cheating electronic scale system 300 compares in prior art, has following technological effect at least:
(1) the main control board 12 is in communication connection with the cloud server 200, and when the main control board 12 and other electronic scale components such as the weighing sensor 11, the display, the keyboard and the like are replaced by lawless persons, the main control board 12 can be monitored by the cloud server 200 to identify authenticity, so that a monitoring department can conveniently monitor the authenticity;
(2) the data between the main control board 12 and the external device 20 is used after encryption and decryption, so that the data between the main control board 12 and the external device 20 is prevented from being intercepted and modified;
(3) the main control board 12 is sealed at the end of the weighing sensor 11 through colloid, so that the influence of the environment and instability are prevented; meanwhile, the main control board 12 transmits digital signals outwards, so that the radio frequency interference resistance is enhanced;
(4) through reasonable design of the external device 20, the main control board 12 can control the external display, keyboard and power circuit by at least four signal lines, namely a power line VDD1, a ground line GND, a data signal line SDA and a clock signal line SCL, so as to realize all functions of the whole electronic scale 100;
(5) compared with the weighing sensor 11 in the prior art, the number of the 4 signal wires is not increased, and meanwhile, the requirement on a transmission line for transmitting digital signals is reduced because the radio frequency resistance performance does not need to be considered, so that the cost of the signal wires is reduced;
(6) external device 20 does not need additional singlechip 121, simultaneously because external device 20 only contains simple digital logic, requires very little to the PCB board, greatly reduced PCB cost.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. An anti-cheating electronic scale system, comprising:
the electronic scale comprises a shell and a main control module arranged in the shell, wherein the main control module comprises a weighing sensor and a main control board integrated with the weighing sensor, and the weighing sensor is electrically connected with the main control board;
and the main control board is in communication connection with the cloud server.
2. The anti-cheating electronic scale system of claim 1, wherein said electronic scale further comprises:
the communication module is in communication connection with the main control board, and the main control board is in encrypted communication with the cloud server through the communication module.
3. The anti-cheating electronic scale system of claim 1, wherein said electronic scale further comprises:
and two signal lines led out from the main control module are connected between the external equipment and the main control module to realize the encrypted serial control of the main control module on the external equipment.
4. The anti-cheating electronic scale system according to claim 3, wherein one of said two signal lines is a clock signal line and the other is a data signal line.
5. The anti-cheating electronic scale system of claim 3, wherein the anti-cheating electronic scale system comprises:
and the power circuit is connected to an external power supply and is electrically connected to the main control module through the two signal lines.
6. The anti-cheating electronic scale system according to claim 5, wherein an operating mode of said power circuit is a linear regulator or a DCDC converter.
7. The anti-cheating electronic scale system of claim 6, wherein the power circuit further comprises a voltage detection circuit for detecting an output voltage of the power circuit and feeding back to the master control module.
8. The anti-cheating electronic scale system of claim 5, wherein a plurality of said external devices comprises:
the I/O expansion interface is connected to the main control module through the two signal lines and is electrically connected with the power circuit;
the keyboard is electrically connected with the I/O expansion interface, and the keyboard realizes encrypted communication with the main control module through the I/O expansion interface.
9. The anti-cheating electronic scale system of claim 5, wherein said external device comprises:
the display is connected to the main control module through the two signal lines to realize encrypted communication between the display and the main control module, and the display is electrically connected with the power circuit.
10. The anti-cheating electronic scale system of any of claims 1-9, wherein said master control board is sealed in said load cells by a gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020442826.4U CN211504377U (en) | 2020-03-30 | 2020-03-30 | Anti-cheating electronic scale system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020442826.4U CN211504377U (en) | 2020-03-30 | 2020-03-30 | Anti-cheating electronic scale system |
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| CN211504377U true CN211504377U (en) | 2020-09-15 |
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| CN202020442826.4U Active CN211504377U (en) | 2020-03-30 | 2020-03-30 | Anti-cheating electronic scale system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113650A (en) * | 2020-10-14 | 2020-12-22 | 河北昆仑智慧养老服务有限公司 | Data encryption anti-cheating intelligent cloud weighing supervision electronic scale platform |
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2020
- 2020-03-30 CN CN202020442826.4U patent/CN211504377U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113650A (en) * | 2020-10-14 | 2020-12-22 | 河北昆仑智慧养老服务有限公司 | Data encryption anti-cheating intelligent cloud weighing supervision electronic scale platform |
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Effective date of registration: 20240415 Address after: 410000 Room 201, building C12, Jinrong Wangcheng science and Technology Industrial Park, No. 858, Purui West Road, Wangcheng economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: Hunan xinyide Technology Co.,Ltd. Country or region after: China Address before: 518000 a412, 4th floor, block a, Shenzhen famous industrial products exhibition and procurement center, Baoyuan Road, Xixiang street, Bao'an District, Shenzhen, Guangdong Patentee before: SHENZHEN SOLIDIC TECHNOLOGY CO.,LTD. Country or region before: China |