CN206223270U - A kind of industrial electronic scale with communication interface - Google Patents
A kind of industrial electronic scale with communication interface Download PDFInfo
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- CN206223270U CN206223270U CN201621270696.0U CN201621270696U CN206223270U CN 206223270 U CN206223270 U CN 206223270U CN 201621270696 U CN201621270696 U CN 201621270696U CN 206223270 U CN206223270 U CN 206223270U
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- ina333
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Abstract
The utility model is related to a kind of industrial electronic scale with communication interface, including an electronic scale, a pressure sensor block is provided with the pallet of the electronic scale, the pressure sensor block is connected to main control MCU through amplifier module, the main control MCU is also connected with display module, Keysheet module and power module respectively, also include the radio receiving transmitting module being connected with the main control MCU, the radio receiving transmitting module is connected with a remote terminal, and display and keyboard are provided with the remote terminal.The utility model realizes the function of remote monitoring to industrial electronic scale.
Description
Technical field
The utility model is related to a kind of industrial electronic scale with communication interface.
Background technology
In industrial processes, many products are required to link of weighing in process of production.Electronic scale is in industrial production
In be widely used, particularly packing enterprise production process in.Present scheme is mainly sensor signal
By special chip（Such as HX711）It is amplified and MCU treatment is transmitted directly to after AD conversion.MCU is according to getting
Weight compare with product acceptance criteria, realize comparing the offline tracking of product weight.Scheme is to adopt at present simultaneously
Coordinating manual type with traditional input mode such as button carries out the parameter setting of electronic scale, does not have remote data transmission
Ability.
With the propulsion of industry 4.0, more packing enterprises need to realize to realize prison in real time to the whole production procedure of product
Control, including the monitoring to product weight.Other enterprise needs to carry out big data analysis according to actual creation data, finds product
Problem in production process, improves the quality of product.Meanwhile, enterprise's production customizes the arrival with the increasingly automated epoch, makees
Should possess can be with real-time adjustment parameter for the nucleus equipment followed the trail of for weight（Such as product acceptance criteria）With the work(of remote control
Energy.Existing industrial electronic scale scheme does not possess substantially carries out the module of information exchange with external device, it is difficult to support the reality of enterprise
When data acquisition and remote monitoring function.
The content of the invention
In view of this, the purpose of this utility model is to provide a kind of industrial electronic scale with communication interface, to work
Industry electronic scale realizes the function of remote monitoring.
The utility model is realized using following technical scheme to achieve the above object：It is a kind of with the industrial of communication interface
Electronic scale, including an electronic scale, are provided with a pressure sensor block, the pressure sensor block warp on the pallet of the electronic scale
Amplifier module is connected to main control MCU, and the main control MCU is also connected with display module, Keysheet module and power module respectively, and it is special
Levy and be：Also include the radio receiving transmitting module being connected with the main control MCU, the radio receiving transmitting module and a remote terminal connect
Connect, display and keyboard are provided with the remote terminal.
Further, the pressure sensor block includes the full-bridge circuit being made up of 4 foil gauges.
Further, the amplifier module includes INA333 chips and OPA277 chips；
" 1 " pin of the INA333 chips is connected with one end of resistance R5；
" 2 " pin of the INA333 chips is connected with one end of one end of resistance R3, resistance R4；
" 3 " pin of the INA333 chips and one end of electric capacity C1, one end of resistance R1, one end of resistance R2, resistance
One end connection of R8, the other end of the resistance R3 and the other end of resistance R2, a fixing end of slide rheostat RW1, slip
The one fixing end ground connection of rheostat RW2, the other end of the resistance R4 and the other end of resistance R1, slide rheostat RW1 it is another
One fixing end, another fixing end of slide rheostat RW2, high level VCC connections, the other end and the slip variable resistance of the resistance R8
The sliding end connection of device RW1, the other end of the electric capacity C1 is connected with the sliding end of slide rheostat RW2；
" 4 " pin ground connection of the INA333 chips；
" 5 " pin of the INA333 chips is connected with " 3 " pin of OPA277 chips, the positive pole of power supply V3；
" 6 " pin of the INA333 chips is connected with one end of resistance R6；
" 7 " pin of the INA333 chips is connected with high level VCC；
" 8 " pin of the INA333 chips is connected with the other end of resistance R5；
" 2 " pin of the OPA277 chips is connected with one end of the other end of resistance R6, resistance R7；
" 4 " pin of the OPA277 chips is grounded with the negative pole of power supply V3；
" 6 " pin of the OPA277 chips is connected with the other end of resistance R7；
" 7 " pin of the OPA277 chips is connected with high level VCC.
The utility model has the advantages that compared with prior art：Pressure sensor block of the present utility model is used
The full-bridge circuit being made up of 4 foil gauges, reduces because of the temperature drift that the difference of temperature under different use environments is produced；This practicality
New amplifier module possesses multistage amplification and can ensure that measurement result is more accurate the characteristics of multiplication factor is adjusted flexibly；This Shen
The remote monitoring function to electronic scale is please realized by a radio receiving transmitting module and remote terminal.
Brief description of the drawings
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is the Remote Terminal Structure schematic diagram of the embodiment of the utility model one.
Fig. 3 is the physical circuit figure of the pressure sensor block of the embodiment of the utility model one.
Fig. 4 is the physical circuit figure of the amplifier module of the embodiment of the utility model one.
Fig. 5 is the Wifi module interface schematic diagrams of the embodiment of the utility model one.
Fig. 6 is the bluetooth module interface principle figure of the embodiment of the utility model one.
Fig. 7 is the Zigbee module interface principle figure of the embodiment of the utility model one.
In figure：1- remote terminals；2- displays；3- keyboards.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is described further to the utility model.
Industrial electronic scale of the prior art includes the pressure sensor block being arranged on pallet, the pressure sensing mould
Block is connected to main control MCU through amplifier module, and pressure sensor block obtains the weight signal of the weight prevented on pallet, amplifier mould
Block is amplified to the weight signal and processes and be transferred to main control MCU；The main control MCU also respectively with display module, keyboard
Module and power module are connected, and Keysheet module is used to needing to be weighed in early stage input the product information and running parameter of article, shows
Show module for show weighed the product information of article, running parameter and the weight information that claims.
Fig. 1 and Fig. 2 is refer to, the utility model also includes what is be connected with the main control MCU on the basis of existing technology
Radio receiving transmitting module, the radio receiving transmitting module is connected with a remote terminal, and the He of display 2 is provided with the remote terminal 1
Keyboard 3；User can be input into the product information and running parameter of the article that needs to be weighed by keyboard 3, defeated by radio receiving transmitting module
Main control MCU is delivered to, the main control MCU is by the way that radio receiving transmitting module is by the product information of article of being weighed, running parameter and claims
Weight information shown in display 2, realize the function of remote monitoring.
Fig. 3 is refer to, the pressure sensor block includes the full-bridge circuit being made up of 4 foil gauges, reduces because of difference
The temperature drift that the difference of temperature is produced under use environment, it is ensured that the stability and accuracy of circuit work.So that temperature is to number pressure
According to（And the weight information of pass article）Influence minimize, it is ensured that also can be normal in the environment of industry spot rather harsh
Use.
In the present embodiment, the amplifier module is using instrument amplifier INA333 chips and high-operational amplifier OPA277 cores
Piece；Its particular circuit configurations refer to Fig. 4：
" 1 " pin of the INA333 chips is connected with one end of resistance R5；
" 2 " pin of the INA333 chips is connected with one end of one end of resistance R3, resistance R4；
" 3 " pin of the INA333 chips and one end of electric capacity C1, one end of resistance R1, one end of resistance R2, resistance
One end connection of R8, the other end of the resistance R3 and the other end of resistance R2, a fixing end of slide rheostat RW1, slip
The one fixing end ground connection of rheostat RW2, the other end of the resistance R4 and the other end of resistance R1, slide rheostat RW1 it is another
One fixing end, another fixing end of slide rheostat RW2, high level VCC connections, the other end and the slip variable resistance of the resistance R8
The sliding end connection of device RW1, the other end of the electric capacity C1 is connected with the sliding end of slide rheostat RW2；
" 4 " pin ground connection of the INA333 chips；
" 5 " pin of the INA333 chips is connected with " 3 " pin of OPA277 chips, the positive pole of power supply V3；
" 6 " pin of the INA333 chips is connected with one end of resistance R6；
" 7 " pin of the INA333 chips is connected with high level VCC；
" 8 " pin of the INA333 chips is connected with the other end of resistance R5；
" 2 " pin of the OPA277 chips is connected with one end of the other end of resistance R6, resistance R7；
" 4 " pin of the OPA277 chips is grounded with the negative pole of power supply V3；
" 6 " pin of the OPA277 chips is connected with the other end of resistance R7；
" 7 " pin of the OPA277 chips is connected with high level VCC.
The amplifier module possesses multistage amplify and to ensure that measurement result possesses the characteristics of multiplication factor is adjusted flexibly higher
Accuracy.
Preferably, the main control MCU is using the abundant TI companies of 16 super low-power consumptions, good stability, On-Chip peripheral
MSP430F5529 single-chip microcomputers.The power module turns the Switching Power Supply of direct current 9V using alternating current 220V.Simultaneously in order to support without friendship
The electric working environment of stream, the power module of this programme uses 2600mAh 3S 11.1V 25C lithium polymer battery groups as standby
Power supply, using TPS7350, LM2940, AMS1117 and MC34063 as power supply chip.
Preferably, shown radio receiving transmitting module uses Wifi modules, while in order to meet different industry spot collections
Need, wireless communication module can also supporting use bluetooth module and Zigbee module, and be attached by serial ports,
Namely unified interface realizes the support to different wireless communication, can meet different application scenarios to the need that are wirelessly transferred
Ask.
Fig. 5 is refer to, Wifi modules use ESP8266-07.The module is opened specifically designed for the demand of wireless connection
Hair, is complete and self-organizing system a Wi-Fi Networking Solutions ＆ provisioned.It is carried out by serial ports and the main control chip of system
Connection, uses access point（AP）Pattern, subsequent terminal is connected into the system.
Fig. 6 is refer to, bluetooth module uses HC-05 modules.The module is entered by serial ports with the main control chip of system
Row connection, the mode of operation of the main frame of use facilitates terminal to be connected into the system.
Fig. 7 is refer to, Zigbee module uses DL-22 modules.The module is by serial ports and the main control chip of system
It is attached, is operated in the pattern of transparent transmission, facilitates terminal to be connected into the system.
The foregoing is only preferred embodiment of the present utility model, it is all according to present utility model application the scope of the claims done it is equal
Deng change and modification, should all belong to covering scope of the present utility model.
Claims (3)
1. a kind of industrial electronic scale with communication interface, an including electronic scale, one is provided with the pallet of the electronic scale
Pressure sensor block, the pressure sensor block is connected to main control MCU through amplifier module, the main control MCU also respectively with display
The connection of module, Keysheet module and power module, it is characterised in that：Also include the radio receiving transmitting module being connected with the main control MCU,
The radio receiving transmitting module is connected with a remote terminal, and display and keyboard are provided with the remote terminal.
2. the industrial electronic scale with communication interface according to claim 1, it is characterised in that：The pressure sensing mould
Block includes the full-bridge circuit being made up of 4 foil gauges.
3. the industrial electronic scale with communication interface according to claim 1, it is characterised in that：The amplifier module bag
Include INA333 chips and OPA277 chips；
" 1 " pin of the INA333 chips is connected with one end of resistance R5；
" 2 " pin of the INA333 chips is connected with one end of one end of resistance R3, resistance R4；
" 3 " pin of the INA333 chips and one end of electric capacity C1, one end of resistance R1, one end of resistance R2, resistance R8
One end connection, the other end of the resistance R3 and the other end of resistance R2, a fixing end of slide rheostat RW1, slip variable resistance
The one fixing end ground connection of device RW2, the other end of the resistance R4 and the other end of resistance R1, slide rheostat RW1 it is another solid
Fixed end, another fixing end of slide rheostat RW2, high level VCC connections, the other end and slide rheostat of the resistance R8
The sliding end connection of RW1, the other end of the electric capacity C1 is connected with the sliding end of slide rheostat RW2；
" 4 " pin ground connection of the INA333 chips；
" 5 " pin of the INA333 chips is connected with " 3 " pin of OPA277 chips, the positive pole of power supply V3；
" 6 " pin of the INA333 chips is connected with one end of resistance R6；
" 7 " pin of the INA333 chips is connected with high level VCC；
" 8 " pin of the INA333 chips is connected with the other end of resistance R5；
" 2 " pin of the OPA277 chips is connected with one end of the other end of resistance R6, resistance R7；
" 4 " pin of the OPA277 chips is grounded with the negative pole of power supply V3；
" 6 " pin of the OPA277 chips is connected with the other end of resistance R7；
" 7 " pin of the OPA277 chips is connected with high level VCC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270696.0U CN206223270U (en) | 2016-11-25 | 2016-11-25 | A kind of industrial electronic scale with communication interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270696.0U CN206223270U (en) | 2016-11-25 | 2016-11-25 | A kind of industrial electronic scale with communication interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206223270U true CN206223270U (en) | 2017-06-06 |
Family
ID=58791348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621270696.0U Expired - Fee Related CN206223270U (en) | 2016-11-25 | 2016-11-25 | A kind of industrial electronic scale with communication interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206223270U (en) |
-
2016
- 2016-11-25 CN CN201621270696.0U patent/CN206223270U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20191125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |