CN110320867A - A kind of weighing system equipment centralized control system and method based on Internet of Things - Google Patents
A kind of weighing system equipment centralized control system and method based on Internet of Things Download PDFInfo
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- CN110320867A CN110320867A CN201810292506.2A CN201810292506A CN110320867A CN 110320867 A CN110320867 A CN 110320867A CN 201810292506 A CN201810292506 A CN 201810292506A CN 110320867 A CN110320867 A CN 110320867A
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- 238000005303 weighing Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000002955 isolation Methods 0.000 claims abstract description 65
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 230000006698 induction Effects 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
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- 239000012141 concentrate Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
- G05B19/4186—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication by protocol, e.g. MAP, TOP
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31186—TCP-IP internet protocol
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- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Selective Calling Equipment (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of weighing system equipment centralized control system and method based on Internet of Things, comprising: weighbridge equipment, information management control equipment and computer；The information management control equipment includes that conversion module, isolation module, driving relay and microprocessor, the microprocessor are connected by wired or wireless mode with the computer, receives the control instruction information that the computer is sent；The level signal of the microprocessor is isolated in the isolation module, the isolation module is connected with the conversion module, the driving relay respectively, the conversion module converts the level signal of the microprocessor under isolation, and display screen and the camera output control instruction information into the weighbridge equipment, banister of the driving relay under isolation into the weighbridge equipment export the control instruction information.It realizes computer to transmit the control of weighbridge equipment and data, so that the manipulation of weighing system is more convenient.
Description
Technical field:
The present invention relates to weighbridge systems technology fields more particularly to a kind of weighing system equipment based on Internet of Things to concentrate control
System and method processed.
Background technique:
With the development of science and technology, it is rebuild traditional industry with new and high technologies such as information-based, automations, is to promote industrialization
The inevitable process of development.Inventor has found that the device category for including in weighing system is more simultaneously in the implementation of the present invention
And equipment of the same race also has various models, weighing system computer needs and all devices realize communication, just necessary and every equipment
Connection communication cable.In addition, computer needs to install the driver of all devices, not only wiring is complicated, can also be because of installation
The problem that excessive driver causes computer card slow.
Summary of the invention:
The purpose of the present invention is to provide a kind of weighing system equipment centralized control system and method based on Internet of Things are used
To solve above-mentioned problems of the prior art.
The present invention is implemented by following technical solution:
The weighing system equipment centralized control system based on Internet of Things that the embodiment of the invention provides a kind of, comprising: weighbridge
Equipment, information management control equipment and computer；Wherein,
The information management control equipment includes conversion module, isolation module, drives relay and microprocessor, described micro-
Processor is connected by wired or wireless mode with the computer, the control instruction sent for receiving the computer
Information；
The isolation module for the level signal of the microprocessor to be isolated, the isolation module respectively with institute
State conversion module, the driving relay is connected, the conversion module be used under isolation to the microprocessor
Level signal is converted, and display screen and the camera output control instruction information into the weighbridge equipment, institute
It states driving relay and exports the control instruction information for the banister under isolation into the weighbridge equipment.
Further, the isolation module is used to receive the ground induction coil and infrared light curtain detected in the weighbridge equipment
Feedback signal, and by the feedback signal transmission to the microprocessor under isolation；The microprocessor is used for institute
It states feedback signal and is sent to the computer.
Further, the conversion module is used to receive the data information that the pound table in the weighbridge equipment is sent, and right
The level signal of the pound table is converted；The isolation module is used for the data information transfer to institute under isolation
State microprocessor；The data information for being read out and being sent to the computer by the microprocessor.
Further, the conversion module includes multiple electrical level transferring chips, the electrical level transferring chip and the display
Screen, the camera and the pound table have corresponding relationship.
Further, the isolation module includes multiple electromagnetic isolation chips and multiple photoelectric isolated chips, the electromagnetism
Isolating chip and the display screen, the camera and the pound table have corresponding relationship, the photoelectric isolated chip and institute
Banister, the ground induction coil and the infrared light curtain are stated with corresponding relationship.
Further, the conversion module is isolated by serial communication circuit and is powered, and the driving relay passes through relay
The isolation power supply of device driving circuit, the microprocessor and the isolation module pass through the isolation power supply of microcontroller core circuit.
Further, the system also includes liquid crystal display, the liquid crystal display leads to for showing menu and setting network parameter
SPI is crossed to be communicated with the microprocessor.
Further, the microprocessor passes through following either type and the wired or wireless connection of the computer:
The microprocessor includes serial port unit, switch amount output unit, On-off signal detection unit and cable network
Module, the serial port unit, switch amount output unit and the On-off signal detection unit respectively with the cable network mould
Block is connected, and the cable network module is communicated by Transmission Control Protocol with the computer；
Or, the microprocessor includes serial port unit, switch amount output unit and On-off signal detection unit, the string
Mouth unit, switch amount output unit and the On-off signal detection unit are led to by serial interface cable and the computer
Letter；
Or,
The microprocessor includes serial port unit, switch amount output unit, On-off signal detection unit and wireless network
Module, the serial port unit, switch amount output unit and the On-off signal detection unit respectively with the wireless network mould
Block is connected, and the cable network module is communicated by wifi with the computer.
The weighing system equipment centralized control method based on Internet of Things that the embodiment of the invention provides a kind of, comprising:
Microprocessor receives the control instruction information that computer is sent, and the control instruction parses, and judges the control
Instruct corresponding instruction type；The control instruction is sent in the corresponding isolating chip of described instruction type；The isolation
Chip is sent to corresponding conversion chip after the level of the microprocessor and the external world are isolated；The conversion chip is by institute
State microprocessor level signal be converted into the corresponding target device of described instruction type needed for after level signal, by the control
System instruction is sent to the target device.
Further, the method also includes: receive data information, add the corresponding interface identifier of the data information；
After the data information is handled by the corresponding conversion module of the interface identifier and/or isolation module, pass through microprocessor
It is sent to the computer.
Advantages of the present invention:
The centralized control system and method for weighing system equipment provided in an embodiment of the present invention based on Internet of Things, are weighing
System introduces technology of Internet of things, realizes computer by network locally or remotely to banister, infrared light curtain, ground induction coil
It is detected etc. all equipment using on-off model as control signal and feedback signal, also achieves to display screen, takes the photograph
As the control of the serial equipments such as head, pound table, so that the manipulation of weighing system is more convenient.
Detailed description of the invention:
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the centralized control system structure chart based on weighing system equipment provided by the embodiment of the present invention；
Fig. 2 is the centralized control system concrete structure diagram based on weighing system equipment provided by the embodiment of the present invention；
Fig. 3 is the centralized control method flow diagram based on weighing system equipment provided by the embodiment of the present invention.
Specific embodiment:
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
First to the present embodiments relate to professional term carry out description below:
The technical solution of the embodiment of the present invention is described in detail below:
Fig. 1, Fig. 2 are the centralized control system structure chart provided in an embodiment of the present invention based on weighing system equipment.Such as figure
1, shown in Fig. 2, the centralized control system provided in an embodiment of the present invention based on weighing system equipment, comprising:
Weighbridge equipment 10, information management control equipment 20 and computer 30；
Specifically, weighbridge equipment 10 has weight sensor, and the weight of weighing can be shown by pound table 140, ground
The entrance of pound equipment 10 and exit are respectively equipped with the ground induction coil 150 for being embedded in underground, the front-end and back-end of weighbridge equipment 10
Infrared light curtain 160 is respectively set to penetrating, entrance, exit, top and the side of weighbridge equipment 10 are provided with video camera
120, the side of weighbridge equipment 10 is equipped with display screen 110, and outlet is provided with banister 130.Optionally, which can
To be LED display.
Computer 30 can be by network locally or remotely to banister 130, the ground induction coil 150 and red in weighbridge equipment
Outer light curtain 160 etc. is all to be controlled and is detected using on-off model as control signal and the equipment of feedback signal, can also be with
The serial equipments such as display screen 110, camera 120 and pound table 140 in weighbridge equipment are controlled.
It includes conversion module 210, isolation module 220, driving relay 230 and microprocessor that information management, which controls equipment 20,
240, microprocessor 240 is connected by wired or wireless mode with computer 30, for receiving the control of the transmission of computer 10
Command information processed；Isolation module 220 for the level signal of microprocessor 240 to be isolated, isolation module 220 respectively with turn
Mold changing block 210, driving relay 230 are connected, and conversion module 210 is used under isolation to the level of microprocessor 240
Signal is converted, and display screen 110 into weighbridge equipment 10 and camera 120 export the control instruction information, is driven
Banister 130 of the motor type relay 230 under isolation into weighbridge equipment 10 exports the control instruction information.
Further, isolation module 220 is used to receive the ground induction coil 150 and infrared light curtain in detection weighbridge equipment 10
160 feedback signal, and by the feedback signal transmission to microprocessor 240 under isolation；Microprocessor 240 is used for will
The feedback signal is sent to computer 30.
Further, conversion module 210 is used to receive the data information that the pound table 140 in weighbridge equipment 10 is sent, and right
The level signal of pound table 140 is converted；Isolation module 220 is used for the data information transfer to micro- place under isolation
Manage device 240；Data information for being read out and being sent to computer 30 by microprocessor 240.
Optionally, conversion module 210 include multiple electrical level transferring chips, each electrical level transferring chip respectively with display screen
110, camera 120 and pound table 140 have corresponding relationship.Isolation module 220 includes multiple electromagnetic isolation chips and multiple photoelectricity
Isolating chip, each electromagnetic isolation chip have corresponding relationship with display screen 110, camera 120 and pound table 140 respectively, often
A photoelectric isolated chip has corresponding relationship with banister 130, ground induction coil 150 and infrared light curtain 160 respectively.
Optionally, it is provided with different programs in microprocessor 240 and carries out the reception of feedback signal, detection, control instruction
The transmission of information, the reception etc. of data information.Specifically, serial ports program is used to send to showing screen 110, camera 120
Control instruction receives the data information that pound table 140 is sent；Double switch amount output program is used to send the control to banister 130
Instruction；8 way switch amounts input detection program is used to receive, detect the feedback signal of ground induction coil 150, infrared light curtain 160.
The central controlled detailed process of weighbridge equipment 10 is introduced below.
The realization that display screen 110 drives: it is 9600, no parity check position, 1 that two-way baud rate is write on microprocessor 240
Position stop position, the serial port unit of 8 data bit, for receiving the driving instruction for display screen 110 of computer transmission, and
It is transmitted to its corresponding electromagnetic isolation chip, which the Transistor-Transistor Logic level of microprocessor 240 and the external world are thoroughly isolated
Afterwards, then be transmitted to corresponding electrical level transferring chip by the Transistor-Transistor Logic level be converted into display screen 110 required for RS232 level, and
The driving instruction is transmitted to 110 hardware interface of display screen of information management connected to it control equipment 20.The isolation design
It effectively prevents from burning microprocessor 240 when display 110 operation irregularity of screen.
Camera 120 captures the realization of control: being directed to camera 120 using what above-mentioned serial port unit reception computer was sent
Instruction is captured, and successively sends camera keep-alive coding and candid photograph coding to its corresponding electromagnetic isolation chip, realizes that control is taken the photograph
The purpose captured as first 120.After the electromagnetic isolation chip is thoroughly isolated by the Transistor-Transistor Logic level of microprocessor 240 and the external world, then transmit
The Transistor-Transistor Logic level is converted into RS485 level required for camera 120 to corresponding electrical level transferring chip, and to being connected thereto
Information management control equipment 20 110 control interface of camera transmit the driving instruction.The isolation design effectively prevents from taking the photograph
As burning microprocessor 240 when first 120 operation irregularity.
The realization that banister 130 controls: the double switch amount output unit of microprocessor 240 receives banister from computer 30
After control command, signal is controlled to its corresponding photoelectric isolated chip output banister, and the photoelectric isolated chip is by microprocessor 240
Transistor-Transistor Logic level and extraneous thoroughly isolation after, then by corresponding uln2003 chip drives relay 230 to letter connected to it
130 control interface of banister of breath management and control equipment 20 exports the control signal, to realize the purpose of control banister.The isolation
Design effectively prevents from burning microprocessor 240 when 130 operation irregularity of banister.
The acquisition of ground induction coil 150,160 feedback signal of infrared light curtain: ground induction coil 150 and infrared light curtain 160 issue instead
Feedback signal, the interface by information management control equipment 20 are transmitted separately to corresponding photoelectric isolated chip, the Phototube Coupling core
Piece indirectly detects the feedback signal of ground induction coil 150 and infrared light curtain 160, enable microprocessor 240 with ground induction coil
150, in the case that infrared light curtain 160 is completely isolated, the feedback signal is received, microprocessor 240 is effectively reduced and burns
Risk.8 way switch amount input detection units are set on microprocessor 240, for receiving being somebody's turn to do after photoelectric isolated chip
Feedback signal.
Obtain the realization of 140 data of pound table: pound table 140 sends data information, by connecing for information management control equipment 20
Corresponding electrical level transferring chip is transported in oral instructions, which is converted into microprocessor for the RS232 signal of pound table 140
Transistor-Transistor Logic level required for 240, and be transmitted to corresponding electromagnetic isolation chip, the electromagnetic isolation chip is by microprocessor 240
After Transistor-Transistor Logic level and extraneous thoroughly isolation, it is transmitted to above-mentioned serial port unit.It is different that the isolation design effectively prevents pound table 140 from working
Microprocessor 240 is burnt when often.
Further, conversion module 210 is isolated by serial communication circuit and is powered, and driving relay 230 passes through relay
Driving circuit isolation power supply, microprocessor 240 and isolation module 220 are reduced each by the isolation power supply of microcontroller core circuit
The signal interference of a part.
Further, the system also includes liquid crystal display 40, liquid crystal display 40 leads to for showing menu and setting network parameter
SPI (Serial Peripheral Interface, serial ports Peripheral Interface) is crossed to be communicated with microprocessor 240.Specifically,
Menu setting program is write on microprocessor 240, it can be by three keys gateway, local IP address, destination IP is arranged
The network parameters such as location, subnet mask, and network parameter is saved in 240 inside flash of microprocessor prevents power down network
Parameter is lost.
Further, microprocessor 240 passes through following either type and the wired or wireless connection of computer 30:
As described above, microprocessor 240 includes serial port unit, switch amount output unit, On-off signal detection unit, this
It outside, further include cable network module, the serial port unit, switch amount output unit and On-off signal detection unit difference
It is connected with the cable network module, the cable network module passes through TCP (Transmission Control
Protocal, transmission control protocol) agreement communicated with computer 30, realize that computer 30 passes through Transmission Control Protocol acquisition pound table
140 data, control display screen 110 show content, the candid photograph for controlling camera 120, control rising and falling, detecting ground for banister 130
Feel the feedback signal of coil 150, infrared light curtain 160.Wherein, the cable network module can be and W5500 Ethernet chip
The driver of corresponding W5500 chip.
Alternatively, the cable network module in above scheme can be removed, the serial port unit, switch amount output unit and
The On-off signal detection unit is communicated by serial interface cable with computer 30.That is multi-channel serial port data and switching value
It is unified after input/output signal addition interface label that computer 30 is sent to by serial ports all the way and the serial interface cable, it realizes and calculates
Machine 30 passes through a serial ports cable and obtains 140 data of pound table, the control display display of screen 110 content, controls grabbing for camera 120
It claps, the feedback signal of control banister 130 risen and fallen, detect ground induction coil 150, infrared light curtain 160.
Alternatively, the cable network module in above-mentioned technical proposal can be replaced with to wireless (wifi) module, computer 30
In the case where connecting WiFi wireless network, other all serial datas being connected in equipment, detection switch amount can be operated
Input and send switching value output signal, it is aobvious to realize that computer 30 by WiFi wireless network obtains 140 data of pound table, control
Display screen curtain 110 shows content, the candid photograph for controlling camera 120, controls rising and falling, detecting ground induction coil 150, is infrared for banister 130
The feedback signal of light curtain 160.
The centralized control system of weighing system equipment provided in an embodiment of the present invention based on Internet of Things, draws in weighing system
Technology of Internet of things is entered, it is locally or remotely all to banister, infrared light curtain, ground induction coil etc. by network to realize computer
It is detected, is also achieved to display screen, camera, pound using the equipment of on-off model as control signal and feedback signal
The control of the serial equipments such as table, so that the manipulation of weighing system is more convenient.
Fig. 3 is a kind of weighing system equipment centralized control method flow based on Internet of Things provided in an embodiment of the present invention
Figure, as shown in Figure 3, which comprises
S301, microprocessor receives the control instruction information that computer is sent, and the control instruction parses, described in judgement
The corresponding instruction type of control instruction.
In this step, microprocessor judges whether the control instruction is banister instruction, camera candid photograph instruction, display
Any one in display data on the screen idsplay order.When the control instruction is not belonging to above-metioned instruction type, it is determined that the control
System instruction is illegal command, does not execute subsequent step.
The control instruction is sent in the corresponding isolating chip of described instruction Type Type by S302.
Specifically, when judging the control instruction for banister instruction, banister instruction is sent to its corresponding photoelectricity
Isolating chip；When judging that the control instruction captures instruction for camera, which is captured into instruction and is sent to its correspondence
Electromagnetic isolation chip；When judging that the control instruction shows data command for display screen, which is sent out
It send to its corresponding electromagnetic isolation chip.
S303, the isolating chip are sent to corresponding conversion after the level of the microprocessor and the external world are isolated
Chip.
In step, which effectively prevents from burning micro process when banister, camera, display screen operation irregularity
Device.
The level signal of the microprocessor is converted into the corresponding target of described instruction type by S304, the conversion chip
After level signal needed for equipment, the control instruction is sent to the target device.
For example, it is banister that banister, which instructs corresponding target device, and camera captures the corresponding target device of instruction and is
Camera, display screen show that the corresponding target device of data command is display screen.It is arranged in information management control equipment
There is the corresponding hardware interface of each target device, after conversion chip completes level signal conversion, which can be led to
It crosses the hardware interface and is sent to the target device.
Further, the method also includes: receive data information, add the corresponding interface identifier of the data information；
After the data information is handled by the corresponding conversion module of the interface identifier and/or isolation module, pass through microprocessor
It is sent to the computer.
Specifically, the data information may include ground induction coil feedback information, the infrared light curtain hair that ground induction coil is sent
The pound table data that the infrared light curtain feedback information and pound table sent is sent.It is right in equipment that each equipment is controlled by it in information management
The interface answered is transmitted.During being transmitted, the corresponding interface identifier of the data information is added, so as to pass through
The interface identifier determines corresponding transmission path.
When interface identifier is that ground induction coil or infrared light curtain identify, then the data information is sent to corresponding Phototube Coupling
Chip, the photoelectric isolated chip indirectly detect the data information, enable microprocessor with ground induction coil or infrared light curtain
In the case where completely isolated, the data information is received, effectively reduces the risk that microprocessor is burnt.
Weighing system equipment centralized control method provided in an embodiment of the present invention based on Internet of Things is to utilize Fig. 1, Fig. 2 institute
Show the system execution that embodiment provides, realization principle and function and usage etc. are similar with Fig. 1, embodiment illustrated in fig. 2, herein
It repeats no more.
Embodiments described above is only schematical, wherein the module as illustrated by the separation member can be
Or may not be and be physically separated, the component shown as module may or may not be physical module, i.e.,
It can be located in one place, or may be distributed on multiple network modules.It can select according to the actual needs therein
Some or all of the modules achieves the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creative labor
In the case where dynamic, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, the computer readable recording medium include for
Any mechanism of the readable form storage of computer (such as computer) or transmission information.For example, machine readable media includes only
Read memory (ROM), random access memory (RAM), magnetic disk storage medium, optical storage media, flash medium, electricity, light,
Sound or the transmitting signal (for example, carrier wave, infrared signal, digital signal etc.) of other forms etc., which includes
Some instructions are used so that a computer equipment (can be personal computer, server or the network equipment etc.) executes respectively
Described in certain parts of a embodiment or embodiment.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the embodiment of the present invention, rather than it is limited
System；Although the present invention is described in detail referring to the foregoing embodiments, those skilled in the art should understand that: its
Foregoing embodiments can still be remembered
The technical solution of load is modified or equivalent replacement of some of the technical features；And these modification or
Person's replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of weighing system equipment centralized control system based on Internet of Things characterized by comprising weighbridge equipment, information
Management and control equipment and computer；Wherein,
The information management control equipment includes conversion module, isolation module, driving relay and microprocessor, the micro process
Device is connected by wired or wireless mode with the computer, the control instruction letter sent for receiving the computer
Breath；
The isolation module for the level signal of the microprocessor to be isolated, the isolation module respectively with described turn
Mold changing block, the driving relay are connected, and the conversion module is used under isolation to the level of the microprocessor
Signal is converted, and display screen and the camera output control instruction information into the weighbridge equipment, the drive
Motor type relay exports the control instruction information for the banister under isolation into the weighbridge equipment.
2. system according to claim 1, which is characterized in that the isolation module detects the weighbridge equipment for receiving
In ground induction coil and infrared light curtain feedback signal, and by the feedback signal transmission to the micro process under isolation
Device；
The microprocessor is used to the feedback signal being sent to the computer.
3. system according to claim 1 or 2, which is characterized in that the conversion module is for receiving the weighbridge equipment
In the data information that sends of pound table, and the level signal of the pound table is converted；
The isolation module is used for the data information transfer to the microprocessor under isolation；
The data information for being read out and being sent to the computer by the microprocessor.
4. system according to claim 3, which is characterized in that the conversion module includes multiple electrical level transferring chips, institute
Stating electrical level transferring chip and the display screen, the camera and the pound table has corresponding relationship.
5. system according to claim 3, which is characterized in that the isolation module includes multiple electromagnetic isolation chips and more
A photoelectric isolated chip, the electromagnetic isolation chip have corresponding close with the display screen, the camera and the pound table
System, the photoelectric isolated chip and the banister, the ground induction coil and the infrared light curtain have corresponding relationship.
6. system according to claim 1 or 2, which is characterized in that the conversion module is isolated by serial communication circuit
Power supply, the driving relay is isolated by relay drive circuit powers, and the microprocessor and the isolation module pass through
The isolation power supply of microcontroller core circuit.
7. system according to claim 1 or 2, which is characterized in that the system also includes liquid crystal display, the liquid crystal display is used
In display menu and setting network parameter, communicated by SPI with the microprocessor.
8. system according to claim 1, which is characterized in that the microprocessor passes through following either type and the meter
The wired or wireless connection of calculation machine:
The microprocessor includes serial port unit, switch amount output unit, On-off signal detection unit and cable network module,
The serial port unit, switch amount output unit and the On-off signal detection unit are connected with the cable network module respectively
It connects, the cable network module is communicated by Transmission Control Protocol with the computer；
Or, the microprocessor includes serial port unit, switch amount output unit and On-off signal detection unit, the serial ports list
Member, switch amount output unit and the On-off signal detection unit are communicated by serial interface cable with the computer；
Or, the microprocessor includes serial port unit, switch amount output unit, On-off signal detection unit and wireless network mould
Block, the serial port unit, switch amount output unit and the On-off signal detection unit respectively with the wireless network module
It is connected, the cable network module is communicated by wifi with the computer.
9. a kind of weighing system equipment centralized control method based on Internet of Things characterized by comprising
Microprocessor receives the control instruction information that computer is sent, and the control instruction parses, and judges the control instruction
Corresponding instruction type；
The control instruction is sent in the corresponding isolating chip of described instruction type；
The isolating chip is sent to corresponding conversion chip after the level of the microprocessor and the external world are isolated；
The level signal of the microprocessor is converted into needed for the corresponding target device of described instruction type by the conversion chip
Level signal after, the control instruction is sent to the target device.
10. according to the method described in claim 9, it is characterized in that, the method also includes:
Data information is received, the corresponding interface identifier of the data information is added；
After the data information is handled by the corresponding conversion module of the interface identifier and/or isolation module, pass through micro- place
Reason device is sent to the computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810292506.2A CN110320867A (en) | 2018-03-30 | 2018-03-30 | A kind of weighing system equipment centralized control system and method based on Internet of Things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810292506.2A CN110320867A (en) | 2018-03-30 | 2018-03-30 | A kind of weighing system equipment centralized control system and method based on Internet of Things |
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