CN108469297A - Driving electronic scale intelligence calibrating installation - Google Patents
Driving electronic scale intelligence calibrating installation Download PDFInfo
- Publication number
- CN108469297A CN108469297A CN201810613748.7A CN201810613748A CN108469297A CN 108469297 A CN108469297 A CN 108469297A CN 201810613748 A CN201810613748 A CN 201810613748A CN 108469297 A CN108469297 A CN 108469297A
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- Prior art keywords
- electronic scale
- driving electronic
- microcontroller
- connect
- calibrating installation
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention provides a kind of driving electronic scale intelligence calibrating installation, and the driving electronic scale is built-in with weighing instrument, and the driving electronic scale intelligence calibrating installation includes：Wireless receiver, interface module and power module positioned at the Digiplex of ground side and positioned at driving electronic scale side.Pass through above-mentioned technical proposal of the present invention makes calibration that wireless communication mode progress may be used, and can substantially reduce maintenance personnel post job safety risk and labor intensity, improves working efficiency, is worthy of popularization.
Description
Technical field
The present invention relates to the driving electronic scale that metallurgy industry uses, more particularly to a kind of driving electronic scale intelligence calibration cartridge
It sets.
Background technology
Driving electronic scale is the metering device in driving to realize weighing in hoisting process, and it is inconvenient using normal to be mainly used for
The occasion of hang hook steelyard is advised, typically such as the metering of large-tonnage hot environment ladle, ladle, batch can material basket steel scrap weigh and lift work
Sequence.The data acquisition of electronic scale uploads to steel-making MES (Manufacturing Execution System, manufacturing enterprise's production
Process execute system) carry out cost accounting and quality control, application it is more and more extensive.MES is a set of Manufacture Enterprise workshop
The production informationization of execution level manages system.
With the needs of metallurgical steel-making large-scale production and lean production, steel mill configures raw material and molten steel weighing and uses casting
Driving electronic scale is made, and electronic scale tonnage is increasing, steel-making is smelted across also higher and higher across workshop with continuous casting, and electronic scale claims
Weight precision is more and more important on product quality influence, and driving electronic scale needs maintenance personnel periodically to carry out at period regulation and failure
Reason.The maintenance personnel of driving electronic scale to equipment when carrying out point inspection or calibration at present, it is necessary to climb to tens meters of high rows
It is carried out on vehicle, maintenance personnel's operation is mounted on weighing instrument in driving driver's cabin and realizes zero point correction and range calibration；Passed through
Route environment is complicated, and security risk is very big；The time that maintenance personnel expends from ground to driving driver's cabin is long, coordinates with ground
It is inconvenient that calibration personnel is linked up, and working efficiency is low.
Invention content
The purpose of the present invention is to provide a kind of driving electronic scale intelligence calibrating installations, greatly reduce the labor of maintenance personnel
Fatigue resistance and job safety risk.
To achieve the goals above, the present invention provides the following technical solutions：
A kind of driving electronic scale intelligence calibrating installation, the driving electronic scale are built-in with weighing instrument, the driving electronics
Scale intelligence calibrating installation includes：Wireless receiver, interface positioned at the Digiplex of ground side and positioned at driving electronic scale side
Module and power module；The Digiplex is used for transmitting calibration signal；The wireless receiver and the Digiplex
It is wirelessly connected, for receiving the calibration signal, and exports to the interface module；The interface module includes：First resistor,
First diode, photoisolator and tristate bus line receiving circuit, one end of the first resistor and the wireless receiver
Output end connects, and the first light emitting diode of first diode and the photoisolator is connected in parallel, and the described 1st
The anode of pole pipe and the cathode of first light emitting diode are connect with the other end of the first resistor, the one or two pole
The anode of the cathode of pipe and first light emitting diode is connect with the anode of the power module, the photoisolator
The collector of phototriode is connect with the input terminal of the tristate bus line receiving circuit, the tristate bus line receiving circuit it is defeated
Outlet is connect with the data/address bus of the microcontroller of the weighing instrument, control terminal and the title of the tristate bus line receiving circuit
The output port connection of the microcontroller of weight instrument；The power module is used to provide electricity for the wireless receiver and interface module
Source.
In driving electronic scale intelligence calibrating installation as described above, it is preferable that the wireless receiver includes：Receiver
Unit receives microcontroller, second resistance, the second light emitting diode and driven in phase device；The receiving terminal of the acceptor unit with
The Digiplex is wirelessly connected, and the output end of the acceptor unit is connect with the input terminal of the receiving unit machine, institute
The output end for stating reception microcontroller is connect with the input terminal of the driven in phase device, described in the output end warp of the driven in phase device
Second resistance is connect with the cathode of second light emitting diode, anode and the first resistor of second light emitting diode
One end connection.
In driving electronic scale intelligence calibrating installation as described above, it is preferable that the Digiplex includes：Keyboard,
Emit microcontroller and transmitter；Button on the keyboard is used to simulate the calibration on the instrument face plate of the weighing instrument with pressing
Key；The transmitting microcontroller is connect with the keyboard, defeated after being encoded with the calibration signal sent out to button on the keyboard
Go out to the transmitter；The transmitter is wirelessly connected with the acceptor unit.
In driving electronic scale intelligence calibrating installation as described above, it is preferable that the wireless receiver further includes：DIP
Dual-inline package technology switchs；The DIP switch is connect with the reception microcontroller so that the reception microcontroller according to
The state of the DIP switch determines the carrier frequency centre frequency of the acceptor unit；The Digiplex further includes：Frequency point revolves
Pass is turned on, is connect with the transmitting microcontroller, so that location determination of the transmitting microcontroller according to the frequency point rotary switch
The carrier frequency centre frequency of the transmitter.
In driving electronic scale intelligence calibrating installation as described above, it is preferable that the Digiplex further includes：First
Display unit, for showing that frequency point, the frequency point are corresponding with the state of the DIP switch.
In driving electronic scale intelligence calibrating installation as described above, it is preferable that the driving electronic scale intelligence calibration cartridge
It sets and further includes：The second display unit positioned at driving electronic scale side, connect with the microcontroller of weighing instrument, for showing calibration knot
Fruit.
It is found that the present invention discloses a kind of driving electronic scale intelligence calibrating installation, the driving for being related to metallurgy industry is electric for analysis
Sub- scale is calibrated after the period regulation and repair during routine use, is calibrated, can be dropped significantly using wireless communication mode
Low-maintenance job position job safety risk and labor intensity improve working efficiency, are worthy of popularization.
(1) maintenance personnel realizes the intelligent school scale to electronic scale by wireless remote control mode on ground,
(2) more driving electronic scales can set different Transmission bit rates according to communication modes with a Digiplex,
Realize that more driving electronic scale calibrations, equipment and spare part purchase cost substantially reduce,
(3) maintenance personnel need not reduce operating risk from ground to crown block cab school scale,
(4) the intelligence calibrating installation breaks through tradition driving electronic scale calibration calibration idea, saves man power and material, efficiency
It greatly improves.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation are not constituted improper limitations of the present invention for explaining the present invention.Wherein：
Fig. 1 is a kind of structural schematic diagram of driving electronic scale intelligence calibrating installation provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of Digiplex provided in an embodiment of the present invention；
Fig. 3 is a kind of wireless receiver, interface module, power module, data/address bus and title provided in an embodiment of the present invention
The structural schematic diagram of the microcontroller of weight instrument.
Reference sign：
1- Digiplexs, 2- wireless receivers, 3- interface modules, 4- power modules, 5- data/address bus, 6- weighing instruments
Microcontroller, 11- transmitters, 12- transmitting microcontroller, 13- keyboards, the first display units of 14-, 15- frequency points selecting switch, 21-
Fremodyne, 22- receive microcontroller, 23- second resistances, the second light emitting diodes of 24-, 25- driven in phase device, 26-DIP and open
Pass, 31- first resistors, the first diodes of 32-, 33- photoisolators, the first light emitting diodes of 331-, 332- phototriodes,
34- tristate bus line receiving circuits.
Specific implementation mode
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.The explanation of each example through the invention
Mode, which provides, to be not intended to limit the present invention.In fact, those skilled in the art will be clear that, the scope of the present invention or essence are not being departed from
In the case of god, it can modify in the present invention and modification.For example, being illustrated or described as the spy of the part of one embodiment
Sign can be used for another embodiment, to generate another embodiment.Thus, it may be desirable to which the present invention includes to be included into appended power
Such modifications and variations in the range of profit requirement and its equivalent.
The term " connected " that is used in the present invention, " connection ", " setting " shall be understood in a broad sense, for example, it may be fixed connect
It connects, may be a detachable connection；It can be directly connected, can also be indirectly connected by intermediate member；It can be wired electricity
Connection, radio connection can also be wireless communication signals connection, for the ordinary skill in the art, Ke Yigen
The concrete meaning of above-mentioned term is understood according to concrete condition.
As shown in Figure 1 to Figure 3, according to an embodiment of the invention, a kind of driving electronic scale intelligence calibrating installation is provided, row
Vehicle electronic scale is built-in with weighing instrument, which includes Digiplex 1, wireless receiver 2, interface module 3 and power module
4.Digiplex 1 is located at ground side, and wireless receiver 2, interface module 3 and power module 4 are respectively positioned on driving electronic scale side.
Digiplex 1 is used for transmitting calibration signal.Specifically, Digiplex 1 includes：Keyboard 13, transmitting microcontroller
12 and transmitter 11.Button on keyboard 13 is used to simulate the calibration (or calibration or setting) on the instrument face plate of weighing instrument
With button, that is to say, that when need to weigh calibrating indicating instrument when such as setting meter parameter and daily maintenance calibration (or calibration),
Daily maintenance is calibrated：The calibrating of regular counterweight or standard packet, ground handling operator can be by Digiplex 1
Keyboard 13 on button operation, realize with operating personnel climb up driving after on the instrument face plate of weighing instrument setting or
The equality operation of the operation of calibration button can so achieve the purpose that ground remote control.Button on keyboard 13 by operation (or
Pressing) after, generate setting or calibration control signal.Transmitting microcontroller 12 is connect with keyboard 13, for dissection in keyboard
13 operation, after having the button that operation acts on keyboard 13, the control signal generated to this button encodes, and makes its conversion
It is exported to transmitter 11 at the signal of serial communication data format, and by the signal after coding.Transmitter 11 and wireless receiver 2
It is wirelessly connected, for being sent to wireless receiver 2 after the signal after coding is carried out carrier being frequency modulated processing.Transmitter 11 is frequency modulation
Transmitter.
Wireless receiver 2 is wirelessly connected with Digiplex 1, for receiving setting or calibration control signal, and is exported
To interface module 3.Specifically, wireless receiver 2 includes：Acceptor unit receives microcontroller 22, the hair of second resistance 23, second
Optical diode 24 and driven in phase device 25.The receiving terminal of acceptor unit is wirelessly connected with Digiplex 1, acceptor unit
Output end is connect with the input terminal of receiving unit machine.Microcontroller 22 is received for being decoded to the control signal of reception, and will
Decoded signal is exported through its output end to driven in phase device 25.Receive the output end and driven in phase device 25 of microcontroller 22
Input terminal connects.The output end of driven in phase device 25 is connect through second resistance 2323 with the cathode of the second light emitting diode 24, the
The anode of two light emitting diodes 24 is connect with one end of first resistor 31.Purpose using driven in phase device 25 is when reception monolithic
Machine 22, which resets when high level signal exports, will not miss driving circuit to photoisolator 33.The mesh of second light emitting diode 24 is set
Be the reception condition that can indicate wireless signal more conveniently.Acceptor unit is fremodyne 21.In practical application,
It can be 8051 series monolithics to receive microcontroller 22, such as：STC12C5410, the second light emitting diode 24 can be that LED is encapsulated
The model of light emitting diode, driven in phase device 25 can be 74LS07.
Interface module 3 includes：First resistor 31, the first diode 32, photoisolator 33 and tristate bus line receiving circuit
34.One end of first resistor 31 and the output end of wireless receiver connect, the first hair of the first diode 32 and photoisolator
Optical diode 331 is connected in parallel, the first diode 32 anode and the first light emitting diode 331 cathode with first resistor 31
Other end connection, the anode of the cathode of the first diode 32 and the first light emitting diode 331 with the anode of power module 4 even
It connects, the collector of the phototriode 332 of photoisolator is connect with the input terminal of tristate bus line receiving circuit 34, tristate bus line
The data/address bus of the output end of receiving circuit 34 and the microcontroller 6 of weighing instrument connects, the control of tristate bus line receiving circuit 34
End is connect with the output end of the microcontroller 6 of weighing instrument.The collector of phototriode 332 also through a resistance (or third electricity
Resistance) it is connect with power module 4.Photoisolator 33 can improve the anti-interference ability of weighing instrument.In photoisolator 33
32 purpose of the first diode that reverse phase work is added in input terminal is the reverse phase breakdown voltage generally only 6 because of the first diode 32
~7V or so, and it is absolute reliable and secure in order to ensure circuit in practical application, there is the one or two pole for playing reverse protection
Pipe 32 will not damage it external voltage reversal connection or electrostatic induction or mistake input reversed 24V etc. because of limited leakage resistance, such as
Have the first diode 32 when applying backward voltage its this backward voltage is limited in 0.7V forever just by forward conduction
Within.The emitter of phototriode connect+5V power supplys cathode (), and collector is by load resistance to+5V power supplys, because anti-
It is 0V to export exactly backward voltage in collector when collector has saturation current to output.When phototriode 332 does not have
When sensing light without collector current and collector output voltage be 5V.In practical application, the model of photoisolator 33 can be with
For 4N25, the first diode 32 can be rectifier diode, and the model of tristate bus line receiving circuit 34 can be 74HC244, claim
The microcontroller 6 of weight instrument can be 51 series monolithics, then its data/address bus 5 is 51 series monolithic data/address bus.
Power supply unit is used to provide power supply for wireless receiver 2 and interface module 3.
Ground handling operator makes Digiplex carry out push button signalling by touching by the button on Digiplex keyboard
It encodes, be converted into serial communication data format and through carrier being frequency modulated, then emit signal in a wireless form, by being mounted on driving
After the wireless receiver of driver's cabin weighing instrument is received and decoded, controls corresponding on-off model and export to interface module, connect
The switching signal of the collector output of the photoisolator of mouth mold block is entered by the Time-sharing control of tristate bus line receiving circuit weighs
The data/address bus of the microcontroller of instrument, then being determined according to the switching signal for entering data/address bus by the microcontroller of weighing instrument is
Which button on keyboard is triggered, and is then executed again by existing keystroke handling software systems on weighing instrument, that is, executes and press
Key be triggered after action, set or calibration result.
Realize that the operation to more driving electronic scales, wireless receiver 2 further include for the ease of a Digiplex 1：
DIP (Dual Inline-pin Package, dual-inline package technology) switch 26.DIP switch 26 and reception microcontroller 22
Connection, so as to receive the carrier frequency centre frequency that microcontroller 22 determines acceptor unit according to the state of DIP switch 26.Namely
It says, DIP switch is for the selection to frequency point.Digiplex 1 further includes：Frequency point rotary switch 15, for transmitter 11 to be arranged
Different frequency points with corresponding with the frequency point of wireless receiver 2.In application, can be to DIP switch on every driving electronic scale
The setting of carry out state realizes that every driving electronic scale corresponds to the state of DIP switch, drives a vehicle if any three, is set in every driving
It is equipped with a driving electronic scale, microcontroller 22 is received and determines different carrier frequency centre frequencies according to the state of DIP switch 26, such as
This every driving electronic scale has its corresponding frequency point.The frequency point rotary switch 15 of rotating and radio remote controler 1, makes transmitter 11
Carrier frequency centre frequency and when the consistent carrier frequency centre frequency of receiver can the corresponding receiver of straighforward operation, to realize
On ground multiple driving electronic scales are controlled with a Digiplex 1.
The driving electronic scale of current institute's straighforward operation is understood for the ease of operating personnel, Digiplex 1 further includes：First
Display unit 14 is connect with transmitting microcontroller 12, corresponding with the state of DIP switch for showing frequency point.First display unit
14 can be the charactron of different digits, such as double figures code pipe.
In practice, in the setting of weighing instrument or calibration, button is calibrated on the instrument face plate by operating weighing instrument
To complete.Calibration (or setting or calibration) button has 5~6, corresponding, photoisolator 33, driven in phase device 25, tri-state
Bus receiving circuit 34, the first diode 32, first resistor 31, second resistance 23, the second light emitting diode 24 are arranged in correspondence with
Cheng Liulu.
Understand setting or calibration result in time for the ease of ground handling operator, driving electronic scale intelligence calibrating installation also wraps
It includes：Second display unit is set to driving electronic scale side, is connect with the microcontroller 6 of weighing instrument, for showing calibration result.
It can be seen from the above description that the above embodiments of the present invention realize following technique effect：
The present invention discloses a kind of driving electronic scale intelligence calibrating installation, is related to the driving electronic scale of metallurgy industry daily
It calibrates after period regulation and repair during use, is calibrated using wireless communication mode, maintenance personnel can be substantially reduced
Post job safety risk and labor intensity improve working efficiency, are worthy of popularization.
(1) maintenance personnel realizes the intelligent school scale to electronic scale by wireless remote control mode on ground,
(2) more driving electronic scales can set different Transmission bit rates according to communication modes with a Digiplex,
Realize that more driving electronic scale calibrations, equipment and spare part purchase cost substantially reduce,
(3) maintenance personnel need not reduce operating risk from ground to crown block cab school scale,
(4) the intelligence calibrating installation breaks through tradition driving electronic scale calibration calibration idea, saves man power and material, efficiency
It greatly improves.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of driving electronic scale intelligence calibrating installation, the driving electronic scale is built-in with weighing instrument, which is characterized in that described
Driving electronic scale intelligence calibrating installation include：Wireless receiving positioned at the Digiplex of ground side and positioned at driving electronic scale side
Device, interface module and power module；
The Digiplex is used for transmitting calibration signal；
The wireless receiver is wirelessly connected with the Digiplex, for receiving the calibration signal, and is exported to described
Interface module；
The interface module includes：First resistor, the first diode, photoisolator and tristate bus line receiving circuit, described
One end of one resistance is connect with the output end of the wireless receiver, and the first of first diode and the photoisolator
Light emitting diode is connected in parallel, and the anode of first diode and the cathode of first light emitting diode are with described first
The other end of resistance connects, the anode of the cathode of first diode and first light emitting diode with the power supply mould
The anode connection of block, the input terminal of the collector of the phototriode of the photoisolator and the tristate bus line receiving circuit
Connection, the output end of the tristate bus line receiving circuit are connect with the data/address bus of the microcontroller of the weighing instrument, and described three
The control terminal of state bus receiving circuit is connect with the output port of the microcontroller of the weighing instrument；
The power module is used to provide power supply for the wireless receiver and interface module.
2. driving electronic scale intelligence calibrating installation according to claim 1, which is characterized in that
The wireless receiver includes：Acceptor unit receives microcontroller, second resistance, the second light emitting diode and same mutually drive
Dynamic device；
The receiving terminal of the acceptor unit is wirelessly connected with the Digiplex, the output end of the acceptor unit and institute
The input terminal connection of receiving unit machine is stated, the output end for receiving microcontroller is connect with the input terminal of the driven in phase device,
The output end of the driven in phase device is connect through the second resistance with the cathode of second light emitting diode, second hair
The anode of optical diode is connect with one end of the first resistor.
3. driving electronic scale intelligence calibrating installation according to claim 2, which is characterized in that the Digiplex packet
It includes：Keyboard, transmitting microcontroller and transmitter；
Button on the keyboard is used to simulate the calibration button on the instrument face plate of the weighing instrument；
The transmitting microcontroller is connect with the keyboard, after being encoded with the calibration signal sent out to button on the keyboard,
It exports to the transmitter；
The transmitter is wirelessly connected with the acceptor unit.
4. driving electronic scale intelligence calibrating installation according to claim 3, which is characterized in that the wireless receiver also wraps
It includes：DIP dual-inline package technologies switch；
The DIP switch is connect with the reception microcontroller, so that the reception microcontroller is true according to the state of the DIP switch
The carrier frequency centre frequency of the fixed acceptor unit；
The Digiplex further includes：Frequency point rotary switch is connect with the transmitting microcontroller, so that the transmitting microcontroller
According to the carrier frequency centre frequency of transmitter described in the location determination of the frequency point rotary switch.
5. driving electronic scale intelligence calibrating installation according to claim 4, which is characterized in that the Digiplex also wraps
The first display unit is included, for showing that frequency point, the frequency point are corresponding with the state of the DIP switch.
6. driving electronic scale intelligence calibrating installation according to claim 1, which is characterized in that the driving electronic scale intelligence
Calibrating installation further includes：The second display unit positioned at driving electronic scale side, connect with the microcontroller of weighing instrument, for showing
Calibration result.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810613748.7A CN108469297A (en) | 2018-06-14 | 2018-06-14 | Driving electronic scale intelligence calibrating installation |
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| CN201810613748.7A CN108469297A (en) | 2018-06-14 | 2018-06-14 | Driving electronic scale intelligence calibrating installation |
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ID=63260835
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319914A (en) * | 2019-06-06 | 2019-10-11 | 吉旗（成都）科技有限公司 | The fault detection method and device of vehicle load detection device |
| CN111649813A (en) * | 2020-06-18 | 2020-09-11 | 深圳市计量质量检测研究院（国家高新技术计量站、国家数字电子产品质量监督检验中心） | Electronic scale detection method based on wifi assistance |
| CN112803931A (en) * | 2020-12-28 | 2021-05-14 | 航天科技控股集团股份有限公司 | Three-state switching value identification system |
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| CN110319914A (en) * | 2019-06-06 | 2019-10-11 | 吉旗（成都）科技有限公司 | The fault detection method and device of vehicle load detection device |
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| CN112803931B (en) * | 2020-12-28 | 2023-01-24 | 航天科技控股集团股份有限公司 | Tri-state switching value identification system |
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