CN210071128U - Multifunctional transmission electronic scale for mass weighing - Google Patents
Multifunctional transmission electronic scale for mass weighing Download PDFInfo
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- CN210071128U CN210071128U CN201921164127.1U CN201921164127U CN210071128U CN 210071128 U CN210071128 U CN 210071128U CN 201921164127 U CN201921164127 U CN 201921164127U CN 210071128 U CN210071128 U CN 210071128U
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Abstract
A multifunctional transmission electronic scale for mass weighing relates to the technical field of electronic scales and comprises a scale body and a tray, wherein a weighing module, a main control unit, a communication module, a display module, a data storage module and a power supply module are arranged in the scale body; the weighing module is connected with the input end of the main control unit and is used for collecting weighing data and transmitting the weighing data to the main control unit; the output end of the main control unit is respectively connected with the display module and the data storage module, and the main control unit is used for analyzing and processing the weighing data and respectively transmitting the processed data to the display module and the data storage module; the communication module is connected with the output end of the data storage module and is used for transmitting the data of the data storage module to the client; and the power supply module is used for supplying power to the whole electronic scale. The data processing, storage and transmission in the automatic batch weighing process can be realized, the application range is wide, and the requirements of users in different application occasions can be met.
Description
Technical Field
The utility model relates to an electronic scale technical field especially relates to a multi-functional transmission electronic scale for weigh in batches.
Background
With the advent of the industrial 4.0 era, industrial products no longer meet the requirements of traditional production technologies, develop more towards intelligent equipment, promote the innovation of the industry by utilizing the informatization technology, and develop new vitality. The electronic scale in the prior art can only finish a conventional weighing mode of single weighing when weighing objects, even if the electronic scale has a batch weighing function, the batch weighing function needs to be finished through repeated operation of a key or a display screen, or a single weighing result is transmitted to an upper computer to be processed to obtain batch weighing data, the whole weighing process is complicated, and the efficiency is greatly reduced for weighing large batches of goods; and the transmission of the existing electronic scale is usually only one of USB wired transmission or Bluetooth wireless transmission modes, and the transmission is only simple weighing data, so that the potential application value of the expanded data is not provided, and the requirements of users in different application occasions cannot be met.
Disclosure of Invention
An object of the utility model is to solve the above-mentioned problem among the prior art, provide a multi-functional transmission electronic scale for weighing in batches, can realize automatic batch data processing, storage and the transmission of weighing the process, the range of application is wide, can satisfy user's demand under the different application occasions.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multifunctional transmission electronic scale for mass weighing comprises a scale body and a tray, wherein the scale body comprises an upper cover and a lower box, the upper cover and the lower box form a scale body, and a weighing module, a main control unit, a communication module, a display module, a data storage module and a power supply module are arranged in the scale body; the weighing module is connected with the input end of the main control unit and is used for collecting weighing data and transmitting the weighing data to the main control unit; the output end of the main control unit is respectively connected with the display module and the data storage module, and the main control unit is used for analyzing and processing the weighing data and respectively transmitting the processed data to the display module and the data storage module; the communication module is connected with the output end of the data storage module and is used for transmitting the data of the data storage module to the client; and the power supply module is used for supplying power to the whole electronic scale.
The main control unit comprises a first data processing unit, and the first data processing unit comprises a first stability judging module and a first calculating module; the input end of the first stability judging module is connected with the weighing module, the output end of the first stability judging module is connected with the input end of the first calculating module, and the first stability judging module is used for judging and identifying whether a new weighed object is added or not according to the threshold parameter set by weighing; the output end of the first calculation module is connected with the display module and the data storage module, and the first calculation module is used for transmitting the weighing data of each weighed object, the data sum of the total weighed objects and the average statistical data result to the display module and the data storage module.
The main control unit also comprises a second data processing unit and a change-over switch module; the change-over switch module is respectively connected with the first data processing unit and the second data processing unit and is used for selecting the first data processing unit or the second data processing unit; the second data processing unit comprises a second stability judging module, a comparing module and a second calculating module; the input end of the second stability judging module is connected with the weighing module, the output end of the second stability judging module is connected with the input end of the comparing module, and the second stability judging module is used for judging and identifying whether a new weighed object is added according to the threshold parameter set by weighing; the output end of the comparison module is connected with the input end of the second calculation module, and the comparison module is used for comparing the total weighing values of the previous and subsequent times and inputting the comparison value and the total weighing value into the second calculation module; the output end of the second calculation module is connected with the display module and the data storage module, the second calculation module is used for processing the data of the comparison module to obtain the weight value of the current article, obtaining the average value through the current weighing data, and transmitting the data result to the display module and the data storage module.
The scale body also comprises a lining plate, an upper connecting block, a lower connecting block, an upper bracket and a lower bracket; the liner plate is an installation plate, the liner plate is installed at the bottom of the lower box through a threaded support column embedded in the bottom of the lower box, and the power supply module is fixed on the liner plate; the tray is arranged outside the upper cover through an upper connecting block, and the upper connecting block is fixedly connected with the upper support through a lower connecting block; the lower bracket is fixed on the lining plate, and the weighing module is fixed between the upper bracket and the lower bracket; the display module is arranged on the front panel of the lower box; the communication module, the data storage module and the main control unit are arranged on the PCB integrated board, and the PCB integrated board is arranged on the lining board through the copper columns.
The weighing module comprises a pressure sensor and an A/D conversion circuit, the input end of the A/D conversion circuit is connected with the pressure sensor, the output end of the A/D conversion circuit is connected with the main control unit, and the A/D conversion circuit is used for converting analog signals measured by the strain type pressure sensor into digital signals and transmitting the digital signals to the main control unit.
The scale body also comprises a power supply switching circuit, a one-key switch circuit, a voltage stabilizing circuit and a reference voltage circuit; the power supply module is connected with the input end of the power supply switching circuit, the output end of the power supply switching circuit is connected with the input end of the one-key switching circuit, the output end of the one-key switching circuit is connected with the input end of the voltage stabilizing circuit, the first output end of the voltage stabilizing circuit is connected with the input end of the reference voltage circuit, and the output end of the reference voltage circuit is connected with the excitation voltage input end of the pressure sensor and the reference voltage end of the A/D conversion circuit; and the second output end of the voltage stabilizing circuit is connected with the power input end of the main control unit, and the main control unit is in signal connection with the one-key startup and shutdown circuit.
The power supply module adopts a lithium battery and an external power supply.
The pressure sensor adopts a strain type pressure sensor; the A/D conversion circuit is built based on an ADS1232 chip.
The communication module comprises wired transmission and wireless transmission, the wired transmission adopts USB transmission, and the wireless transmission adopts Bluetooth transmission.
The data storage module adopts an EEPROM-AT24C64 storage chip; the display module adopts an OLED display screen.
Compared with the prior art, the utility model discloses technical scheme obtains beneficial effect is:
1. the utility model provides a multiple batch weighing mode function can realize automatic batch weighing process's data processing, storage and transmission. According to different weighing environments, batch weighing of the electronic scale can be divided into a superposition mode and a precise mode, the electronic scale can be applied to a plurality of occasions of batch weighing, the superposition mode can be used for occasions with low precision requirements, and objects are placed on a scale disc to be weighed according to the superposition mode to obtain the weight of each batch of objects; for the occasions with higher precision requirements, an accurate mode is used, the object is placed on a scale to be weighed, the scale is taken down after the indication value is stable, and then the next object is weighed, so that batch weighing data is obtained, when the two modes are used for batch weighing, the object only needs to be taken and placed, other key operations are not needed, the whole process is more automatic, and the efficiency is greatly improved; simultaneously the utility model discloses still adopt the data storage chip of large capacity, can fall the electric storage large batch weighing data short term or for a long time, have very high using value in the field that needs the site operation such as marine culture.
2. The utility model provides a two kinds of data transmission mode of wired transmission and wireless transmission, the user can enough receive at the cell-phone end and weigh data, can obtain data and carry out the extension utilization at the PC end again. According to different requirements under different applications, the weighing data can be matched with upper computer software through wired transmission and wireless transmission to realize further expansion of the weighing function, seamless connection between a lower computer and the upper computer is achieved, and the weighing system has high utilization value under industrial backgrounds such as small intelligent storage systems and industrial production lines.
Drawings
Fig. 1 is a schematic exploded view of the present invention;
fig. 2 is a schematic diagram of the circuit structure of the present invention.
Reference numerals: tray 1, upper cover 2, go up connecting block 3, lower connecting block 4, upper bracket 5, pressure sensor 6, lower carriage 7, welt 8, lower box 9, display module 10, copper post 11, power module 12, data storage module 13, main control unit 14, USB15, bluetooth 16.
Detailed Description
In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention clearer and more obvious, the following description is made in detail with reference to the accompanying drawings and embodiments.
As shown in fig. 1, the present embodiment includes a scale body and a tray 1, wherein the scale body includes an upper cover 2, a lower box 9, a lining plate 8, an upper connecting block 3, a lower connecting block 4, an upper bracket 5 and a lower bracket 7;
the scale body is composed of the upper cover 2 and the lower box 9, and a weighing module, a main control unit 14, a communication module, a display module 10, a data storage module 13 and a power supply module 12 are arranged in the scale body; the communication module comprises USB15 and Bluetooth 16; the weighing module comprises a pressure sensor 6;
the lining plate 8 is a mounting plate, the lining plate 8 is mounted at the bottom of the lower box 9 through a threaded support column embedded in the bottom of the lower box 9, and the power supply module 12 is fixed on the lining plate 8; the tray 1 is arranged outside the upper cover 2 through an upper connecting block 3, and the upper connecting block 3 is fixedly connected with an upper bracket 5 through a lower connecting block 4; the lower bracket 7 is fixed on the lining plate 8, and the pressure sensor 6 is fixed between the upper bracket 5 and the lower bracket 7; the display module 10 is mounted on the front panel of the lower box 9; the communication module, the data storage module 13 and the main control unit 14 are arranged on a PCB integrated board, and the PCB integrated board is arranged on the lining board 8 through a copper column 11.
As shown in fig. 2, the weighing module is connected to the input end of the main control unit, and the weighing module is used for collecting weighing data and transmitting the weighing data to the main control unit; the output end of the main control unit is respectively connected with the display module and the data storage module, and the main control unit is used for analyzing and processing the weighing data and respectively transmitting the processed data to the display module and the data storage module; the communication module is connected with the output end of the data storage module and is used for transmitting the data of the data storage module to the client; and the power supply module is used for supplying power to the whole electronic scale.
The weighing module comprises a pressure sensor and an A/D conversion circuit, wherein the pressure sensor adopts a strain type pressure sensor, and the A/D conversion circuit is built based on an ADS1232 chip; the input end of the A/D conversion circuit is connected with the pressure sensor, the output end of the A/D conversion circuit is connected with the main control unit, and the A/D conversion circuit is used for converting analog signals measured by the strain type pressure sensor into digital signals and transmitting the digital signals to the main control unit.
As shown in fig. 2, the scale body further includes a power switching circuit, a one-key switch circuit, a voltage stabilizing circuit and a reference voltage circuit;
the power supply module adopts a lithium battery and an external power supply, the power supply module is connected with the input end of a power supply switching circuit, the output end of the power supply switching circuit is connected with the input end of a one-key switching circuit, the output end of the one-key switching circuit is connected with the input end of a voltage stabilizing circuit, the first output end of the voltage stabilizing circuit is connected with the input end of a reference voltage circuit, and the output end of the reference voltage circuit is connected with the excitation voltage input end of a pressure sensor and the reference voltage end of an A/D conversion circuit; the second output end of the voltage stabilizing circuit is connected with the power input end of the main control unit, and the main control unit is in signal connection with the one-key startup and shutdown circuit;
the power supply switching circuit is used for detecting the current power supply mode, when the USB power supply is detected, the power supply circuit of the lithium battery is closed, and meanwhile, a charging circuit is arranged for charging the lithium battery;
the one-key power on/off circuit is used for accurately identifying a power on/off signal, a user triggers a key for the first time, the key is communicated with the circuit through the matching of an MOS (metal oxide semiconductor) tube and a diode, after the circuit is connected, the main control unit outputs a power on signal to maintain a power on state, when the user triggers the key again, the display module transmits the power off signal to the main control unit, the main control unit outputs a power off instruction, and the electronic scale is powered off;
the voltage stabilizing circuit is used for providing a stable power supply for the digital partial circuit;
the reference voltage circuit is used for providing accurate excitation voltage for the pressure sensor and is used as the reference voltage of the A/D conversion circuit.
In this embodiment, the main control unit includes a first data processing unit, a second data processing unit, and a change-over switch module, where the change-over switch module is connected to the first data processing unit and the second data processing unit respectively;
the first data processing unit comprises a first stability judging module and a first calculating module; the input end of the first stability judging module is connected with the weighing module, the output end of the first stability judging module is connected with the input end of the first calculating module, and the first stability judging module is used for judging and identifying whether a new weighed object is added or not according to the threshold parameter set by weighing; the output end of the first computing module is connected with the display module and the data storage module, and the first computing module is used for transmitting the weighing data of each weighed object, the data sum of the total weighed objects and the data result of average statistics to the display module and the data storage module;
the second data processing unit comprises a second stability judging module, a comparing module and a second calculating module; the input end of the second stability judging module is connected with the weighing module, the output end of the second stability judging module is connected with the input end of the comparing module, and the second stability judging module is used for judging and identifying whether a new weighed object is added according to the threshold parameter set by weighing; the output end of the comparison module is connected with the input end of the second calculation module, and the comparison module is used for comparing the total weighing values of the previous and subsequent times and inputting the comparison value and the total weighing value into the second calculation module; the output end of the second calculation module is connected with the display module and the data storage module, the second calculation module is used for processing the data of the comparison module to obtain the weight value of the current article, obtaining the average value through the current weighing data, and transmitting the data result to the display module and the data storage module.
The communication module comprises wired transmission and wireless transmission, the wired transmission adopts USB transmission, and the wireless transmission adopts Bluetooth transmission. In this embodiment, the wired transmission adopts a mini USB interface and a UART communication protocol for communication, and the wireless transmission adopts a JDY-18 Bluetooth 4.2 module and the UART communication protocol for communication.
The data storage module adopts an EEPROM-AT24C64 large-capacity storage chip, the EEPROM-AT24C64 storage chip is an electrically erasable programmable read-only memory, 8192 bytes of data can be stored, large-capacity storage under most application occasions can be met, the data stored by the chip is not lost when power failure occurs, in the application needing field operation such as marine culture and the like, the electronic scale can store batch data when power failure occurs, and the transmission and application of the batch data are carried out later.
The display module adopts an OLED display screen.
The weighing process data processing adopts a sliding mean filtering algorithm or a Kalman dynamic filtering algorithm to preprocess original data acquired by a weighing module, and meanwhile, a stability judging condition is adjusted according to a self-adaptive stability judging algorithm, an object is stably placed on a scale pan, and a system can provide a reasonable stability judging condition according to the fluctuation size and the fluctuation frequency of the weight of the same object within a period of time, and can also manually input the stability judging condition through a display module; the Kalman dynamic filtering algorithm can improve the weighing precision and response speed in the weighing process of dynamic objects such as fish, shrimps and the like. In the batch weighing process, a user can set threshold parameters through the display module, and the system can accurately identify whether new articles are added or not according to default threshold conditions or the threshold parameters input by the user instead of indicating value changes caused by gusts, short-time mistaken touches and the like, and has the advantages of dynamic weighing, quick response and the like.
In this embodiment, the batch weighing mode is divided into an accurate mode and a superposition mode, the required mode is selected through the change-over switch module, the first data processing unit corresponds to the accurate mode, and the second data processing unit corresponds to the superposition mode.
In the accurate mode: the first object is put on the scale body structure, the weighing module transmits the weighing signal to the first data processing unit for processing, and then the stable weight value is displayed through the display module and simultaneously transmitted to the data storage module; and then taking the first object down, automatically recalibrating the zero point by the first data processing unit while taking the first object down, then putting the second object into the first data processing unit, processing the first object by the first data processing unit to obtain the weight of the second object, overlapping the second object and the first object to obtain the total weight of the batch, averaging to obtain the average value of the batch, displaying the weighing data on the display module, transmitting the weighing data to the data storage module, and performing operation according to the operation, wherein after the weighing is finished, a user can select to upload the weight of the object, the total weight of the batch and the average weight of the batch from the data storage module to the EEPROM-AT24C64 storage chip in batch AT one time, and the object, the batch and the average weight of the batch.
In the superposition mode: the weighing method comprises the steps that a first object is placed on a scale body structure, a weighing module inputs a weighing signal into a second data processing unit for processing to obtain a weighing value, the weighing value is displayed on a display module, the weighing data are transmitted to a data storage module, then the first object does not need to be taken down, the second object is continuously placed in, the second data processing unit obtains the weight of the second object according to the difference between the current total weight and the weight of the previous object, the second object is summed and averaged to obtain a batch average value, then the current total weight, the weight of the second object and the current batch average value are displayed in a display mode, meanwhile, the weighing data are stored in a data storage module, the operation is carried out, when the total weight exceeds a measuring range, a buzzer of the second data processing unit gives an alarm sound, a user is prompted to change batches through the display mode, and after weighing is completed, the user can select to upload the weight of each object, the total weight of the batches and the batch average weight to an EEPROM, and carrying out power-off storage or transmitting the power-off storage into a computer or a mobile phone through a communication module.
The operation method of the utility model is as follows:
when a user operates a function key on the display module to enter a superposition mode, the user puts a first article into the scale pan, when the fluctuation of the weight indicating value of the article reaches a stable condition, then continuously puts a next article, continuously weighs the article until the weighing is finished and the user can trigger the end or change batch signals through the function key on the display module, the main control unit exits the superposition mode or enters the next batch weighing after receiving the signals, and the display module feeds back the weighing result; when the user selects the accurate mode, the user operation mode is changed from continuously putting articles into a mode of putting the next article after the indication value of one article is stably taken down; after the mass weighing in the two modes is finished, a user can trigger real-time signal transmission or signal storage through a function key on the display module, and the main control unit transmits the weighing data to the PC end and the mobile phone end through the communication module or stores the weighing data in the EEPROM-AT24C64 storage chip after receiving the signals.
The utility model discloses can realize man-machine interaction and data transmission through display module, communication module with weighing data, can realize automatic batch weighing process's data processing, storage and transmission, the range of application is wide, satisfies user's demand under the different application scenarios.
Claims (10)
1. The utility model provides a multi-functional transmission electronic scale for weighing in batches, includes the balance body and tray, its characterized in that: the scale body comprises an upper cover and a lower box, the upper cover and the lower box form a scale body, and a weighing module, a main control unit, a communication module, a display module, a data storage module and a power supply module are arranged in the scale body; the weighing module is connected with the input end of the main control unit and is used for collecting weighing data and transmitting the weighing data to the main control unit; the output end of the main control unit is respectively connected with the display module and the data storage module, and the main control unit is used for analyzing and processing the weighing data and respectively transmitting the processed data to the display module and the data storage module; the communication module is connected with the output end of the data storage module and is used for transmitting the data of the data storage module to the client; and the power supply module is used for supplying power to the whole electronic scale.
2. A multi-function transmission electronic scale for mass weighing according to claim 1, wherein: the main control unit comprises a first data processing unit, and the first data processing unit comprises a first stability judging module and a first calculating module; the input end of the first stability judging module is connected with the weighing module, the output end of the first stability judging module is connected with the input end of the first calculating module, and the first stability judging module is used for judging and identifying whether a new weighed object is added or not according to the threshold parameter set by weighing; the output end of the first calculation module is connected with the display module and the data storage module, and the first calculation module is used for transmitting the weighing data of each weighed object, the data sum of the total weighed objects and the average statistical data result to the display module and the data storage module.
3. A multi-function transmission electronic scale for mass weighing according to claim 2, wherein: the main control unit also comprises a second data processing unit and a change-over switch module; the change-over switch module is respectively connected with the first data processing unit and the second data processing unit and is used for selecting the first data processing unit or the second data processing unit; the second data processing unit comprises a second stability judging module, a comparing module and a second calculating module; the input end of the second stability judging module is connected with the weighing module, the output end of the second stability judging module is connected with the input end of the comparing module, and the second stability judging module is used for judging and identifying whether a new weighed object is added according to the threshold parameter set by weighing; the output end of the comparison module is connected with the input end of the second calculation module, and the comparison module is used for comparing the total weighing values of the previous and subsequent times and inputting the comparison value and the total weighing value into the second calculation module; the output end of the second calculation module is connected with the display module and the data storage module, the second calculation module is used for processing the data of the comparison module to obtain the weight value of the current article, obtaining the average value through the current weighing data, and transmitting the data result to the display module and the data storage module.
4. A multi-function transmission electronic scale for mass weighing according to claim 1, wherein: the scale body also comprises a lining plate, an upper connecting block, a lower connecting block, an upper bracket and a lower bracket; the liner plate is an installation plate, the liner plate is installed at the bottom of the lower box through a threaded support column embedded in the bottom of the lower box, and the power supply module is fixed on the liner plate; the tray is arranged outside the upper cover through an upper connecting block, and the upper connecting block is fixedly connected with the upper support through a lower connecting block; the lower bracket is fixed on the lining plate, and the weighing module is fixed between the upper bracket and the lower bracket; the display module is arranged on the front panel of the lower box; the communication module, the data storage module and the main control unit are arranged on the PCB integrated board, and the PCB integrated board is arranged on the lining board through the copper columns.
5. A multi-function transmission electronic scale for mass weighing according to claim 1, wherein: the weighing module comprises a pressure sensor and an A/D conversion circuit, the input end of the A/D conversion circuit is connected with the pressure sensor, the output end of the A/D conversion circuit is connected with the main control unit, and the A/D conversion circuit is used for converting analog signals measured by the strain type pressure sensor into digital signals and transmitting the digital signals to the main control unit.
6. A multi-function transmission electronic scale for mass weighing according to claim 5, wherein: the scale body also comprises a power supply switching circuit, a one-key switch circuit, a voltage stabilizing circuit and a reference voltage circuit; the power supply module is connected with the input end of the power supply switching circuit, the output end of the power supply switching circuit is connected with the input end of the one-key switching circuit, the output end of the one-key switching circuit is connected with the input end of the voltage stabilizing circuit, the first output end of the voltage stabilizing circuit is connected with the input end of the reference voltage circuit, and the output end of the reference voltage circuit is connected with the excitation voltage input end of the pressure sensor and the reference voltage end of the A/D conversion circuit; and the second output end of the voltage stabilizing circuit is connected with the power input end of the main control unit, and the main control unit is in signal connection with the one-key startup and shutdown circuit.
7. A multi-function transmission electronic scale for mass weighing according to claim 6, wherein: the power supply module adopts a lithium battery and an external power supply.
8. A multi-function transmission electronic scale for mass weighing according to claim 5, wherein: the pressure sensor adopts a strain type pressure sensor; the A/D conversion circuit is built based on an ADS1232 chip.
9. A multi-function transmission electronic scale for mass weighing according to claim 1, wherein: the communication module comprises wired transmission and wireless transmission, the wired transmission adopts USB transmission, and the wireless transmission adopts Bluetooth transmission.
10. A multi-function transmission electronic scale for mass weighing according to claim 1, wherein: the data storage module adopts an EEPROM-AT24C64 storage chip; the display module adopts an OLED display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921164127.1U CN210071128U (en) | 2019-07-23 | 2019-07-23 | Multifunctional transmission electronic scale for mass weighing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921164127.1U CN210071128U (en) | 2019-07-23 | 2019-07-23 | Multifunctional transmission electronic scale for mass weighing |
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| Publication Number | Publication Date |
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| CN210071128U true CN210071128U (en) | 2020-02-14 |
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| CN201921164127.1U Active CN210071128U (en) | 2019-07-23 | 2019-07-23 | Multifunctional transmission electronic scale for mass weighing |
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- 2019-07-23 CN CN201921164127.1U patent/CN210071128U/en active Active
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