CN205719192U - Portable wheel weighing instrument - Google Patents
Portable wheel weighing instrument Download PDFInfo
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- CN205719192U CN205719192U CN201620386878.8U CN201620386878U CN205719192U CN 205719192 U CN205719192 U CN 205719192U CN 201620386878 U CN201620386878 U CN 201620386878U CN 205719192 U CN205719192 U CN 205719192U
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Abstract
This utility model relates to a kind of Portable wheel weighing instrument, and including cabinet and the mainboard being arranged in cabinet, cabinet front is Industrial touch screen, and cabinet is furnished with network interface, USB port, sensor interface, battery interface；Described mainboard is made up of digital weighing module, 32 embedded scms, communication module, power module, mini-printer, batteries；Wherein digital weighing module is connected with communication module, and communication module is connected with embedded scm, and embedded scm drives Industrial touch screen and mini-printer；Battery is powered with to mini-printer, digital weighing module, communication module, embedded scm and Industrial touch screen by power module.Wherein battery uses lithium ion battery, and volume is little, and electricity is big, and power-on time is up to 10 hours；Battery passes through power module to instrument power supply, digital weighing module gathers analog sensor signal, and transfer data to embedded scm by communication module, the data received are carried out logical calculated, preservation and show metrical information by Industrial touch screen by embedded scm, drive printer to print metrical information as required.It is little, lightweight that this Portable wheel weighing instrument has volume, the advantage being convenient for carrying.Many sensor combinations modes can be used, it is adaptable to any-mode combination weighing, wheel load, axle weight, bogie weight and complete vehicle weight can be claimed；Single shaft measures, it is adaptable to the kind of any vehicle.
Description
Technical field: this utility model relates to field of measuring technique, particularly a kind of track weighing
Instrument.
Background technology: in prior art, portable railway dynamic weighing instrument need not existing because of it
Track circuit makes any change, it is only necessary to prevent the excellent of measurement apparatus in city between two tracks
Gesture, gains great popularity.Portable wheel weighing instrument is the important component part of Portable weighing instrument,
It is to combine, digital weighing sensor technology and embedded scm technology to conventional rails
A kind of simplification, lightweight, the intelligentized reformed AHP of weighing instrument.
Summary of the invention: Portable wheel weighing instrument includes cabinet and the mainboard being arranged in cabinet,
Cabinet front is Industrial touch screen, and cabinet is furnished with network interface, USB port, sensor interface, electricity
Pond interface etc.；Described mainboard is by digital weighing module, 32 embedded scms, communication moulds
Block, power module, mini-printer, battery form；Wherein digital weighing module and communication mould
Block connects, and communication module is connected with embedded scm, and embedded scm drives Industrial touch screen
And mini-printer；Battery by power module with to mini-printer, digital weighing module,
Communication module, embedded scm and Industrial touch screen are powered.
Digital weighing module gathers analog sensor signal, is transferred data to by communication module
Embedded scm, the data after single-chip microcomputer processes are shown by touch screen, and lead to as required
Cross mini-printer to print；Battery is powered to each parts of instrument by power module.
Digital weighing module designs based on ARM single-chip microcomputer, has sensor interface in module, passes
Sensor interface connects AD conversion chip, and AD conversion chip connects ARM single-chip microcomputer, ARM
Single-chip microcomputer connect communication interface, power supply voltage stabilizing chip with parallel way to AD conversion chip and ARM
Single-chip microcomputer is powered.Sensor receives analogue signal and is converted into digital signal by AD conversion chip
It is transferred to ARM single-chip microcomputer, then is carried out data calculating process by ARM single-chip microcomputer, by logical
Communication interface is supplied to host computer sensor delicate data and processes；Communication interface is band light
The chip of electric isolution, uses RS485 industrial bus mode, can be with multiple digital weighing modules
Used in parallel.
Embedded scm uses 32 embedded scms of industrial cortex-M3 kernel.
Weighing module data are transferred to embedded scm by communication module, and by embedded monolithic
The instruction that machine sends sends digital weighing module to.Communication module uses Phototube Coupling design.Anti-
Interference performance is strong, and data communication is reliable and stable.
Power module uses constant current constant voltage design, and input voltage is being less than, is being higher than, equal to output
During voltage, output voltage can maintain stablize constant.And have overvoltage, under-voltage, cross stream,
Short-circuit protection, and output instruction, indicating fault, when output voltage, electric current and setting value not
Fu Shi, power module automatically powers off, and is effectively protected sensor and battery.All elements can
Reach industrial scale applications.
Mini-printer uses embedded design, serial communication, stylus printing.
Battery uses lithium ion battery, and volume is little, and electricity is big, and power-on time is up to 10 hours.
Instrument panel is resistance-type graphic control panel.
Network interface, USB port, sensor interface, battery interface is had on instrument chassis；Arbitrarily side
Formula combination weighing, in use uses many sensor combinations modes, wheel load, axle can be claimed to weigh,
Bogie weight and complete vehicle weight；Single shaft measures, it is adaptable to the kind of any vehicle.
Owing to using technique scheme, it is little, lightweight that this utility model has volume, convenient
The advantage carried.It is not required to external power supply during use, can use continuously 10 hours, the suitableeest
Close outdoor on-the-spot.Instrumentation tap patches quickly, reliable and stable, and operation interface is all touch screen side
Formula, it is possible to connecting keyboard and mouse, simple operation, metric results can directly print, it is also possible to logical
Cross network and pass to host computer.Vehicle weighing is instant printed weight data after completing, it is not necessary to take outward
Printing apparatus, easy to use.
Accompanying drawing illustrates: Fig. 1 is structured flowchart of the present utility model；
Fig. 2 is the structured flowchart of this utility model digital weighing module；
Fig. 3 is the structured flowchart of this utility model communication module；
Fig. 4 is this utility model instrument chassis panel figure；
Fig. 5 is this utility model power module circuitry figure.
Detailed description of the invention: Portable wheel weighing instrument includes cabinet and the master being arranged in cabinet
Plate, cabinet front is Industrial touch screen, sees Fig. 4, and touch screen designs for resistive touch screen, machine
Network interface, USB port, sensor interface, battery interface etc., each connector of instrument it is furnished with on case
All it is adopted as aviation plug design, connects quick, simple and convenient.
Described mainboard is as it is shown in figure 1, by battery, power module, digital weighing module, communication
Module, 32 embedded scms, mini-printer compositions；Battery uses lithium ion battery,
Volume is little, and electricity is big, and power-on time is up to 10 hours；Battery passes through constant voltage constant current power mould
Block sees Fig. 5 to instrument power supply, power module, such as sets and is output as 12V, input voltage
Between 5～32V during change, output voltage stabilizing is constant at 12V；Have constant current, constant voltage,
Under-voltage protection, and output instruction, fault indication function, output had stream, overvoltage, short
Road is protected；All elements are attained by industrial scale applications.
Digital weighing module designs based on ARM single-chip microcomputer, sees Fig. 2, has sensing in module
Device interface is used for connecting sensor, rich interface, and computing capability is strong.Sensor is received
Signal is little by temperature drift, is transferred to after fireballing 24 high-precision AD chip digital-to-analogue conversions
ARM single-chip microcomputer, then carried out data calculating process by ARM single-chip microcomputer, the data obtained is by logical
Communication interface is supplied to host computer and processes；Sampling rate is maximum up to 500 times/second, can be used as moving
State is weighed.Power supply voltage stabilizing chip supplies to AD conversion chip and ARM single-chip microcomputer with parallel way
Electricity.
Communication module, uses 485/232 transducer, and Phototube Coupling designs, and sees Fig. 3, RS485
Industrial bus mode, can use with multiple digital weighing wired in parallel；Capacity of resisting disturbance is strong, number
Reliable according to communication robust；Weighing module data are transferred to embedded scm by communication module, and
The instruction sent by embedded scm sends digital weighing module to.
Embedded scm uses 32 embedded scms of industrial cortex-M3 kernel,
Stable performance, processing speed are soon, low in energy consumption.
Mini-printer uses embedded design, serial communication, stylus printing, and font is clear,
Speed is fast；Uncap in employing and change paper, simple and convenient.
As shown in Figure 4, each connector of instrument is all adopted as aviation plug design, connect fast,
Simple and convenient；Instrument panel designs for resistive touch screen, and is furnished with network interface, USB port, biography
Sensor interface, battery interface etc..
Claims (4)
1. a Portable wheel weighing instrument, it is characterised in that: Portable wheel weighing instrument bag
Including cabinet and the mainboard being arranged in cabinet, cabinet front is Industrial touch screen, and cabinet is furnished with net
Mouth, USB port, sensor interface, battery interface；Described mainboard by digital weighing module,
32 embedded scms, communication module, power module, mini-printer, battery compositions；
Wherein digital weighing module is connected with communication module, and communication module is connected with embedded scm,
Embedded scm drives Industrial touch screen and mini-printer；Battery by power module with to micro-
Type printer, digital weighing module, communication module, embedded scm and Industrial touch screen supply
Electricity.
Portable wheel weighing instrument the most according to claim 1, it is characterised in that: main
Digital weighing module on plate designs based on ARM single-chip microcomputer, has sensor interface in module,
Sensor interface connects AD conversion chip, and AD conversion chip connects ARM single-chip microcomputer, ARM
Single-chip microcomputer connect communication interface, communication interface is the chip of band Phototube Coupling, power supply voltage stabilizing chip with
Parallel way is powered to AD conversion chip and ARM single-chip microcomputer.
Portable wheel weighing instrument the most according to claim 1 and 2, it is characterised in that:
Communication module on mainboard uses Phototube Coupling design.
Portable wheel weighing instrument the most according to claim 3, it is characterised in that: main
Power module on plate uses constant current constant voltage design, and have overvoltage, under-voltage, cross stream, short circuit is protected
Protect, and output instruction, indicating fault.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521018011 | 2015-12-09 | ||
| CN2015210180119 | 2015-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205719192U true CN205719192U (en) | 2016-11-23 |
Family
ID=57331572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620386878.8U Active CN205719192U (en) | 2015-12-09 | 2016-04-28 | Portable wheel weighing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205719192U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644004A (en) * | 2017-01-05 | 2017-05-10 | 江西众加利高科技股份有限公司 | Digital weighing instrument based on embedded technology |
| CN109470345A (en) * | 2019-01-08 | 2019-03-15 | 中车哈尔滨车辆有限公司 | The weighing device of railway freight-car |
-
2016
- 2016-04-28 CN CN201620386878.8U patent/CN205719192U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644004A (en) * | 2017-01-05 | 2017-05-10 | 江西众加利高科技股份有限公司 | Digital weighing instrument based on embedded technology |
| CN109470345A (en) * | 2019-01-08 | 2019-03-15 | 中车哈尔滨车辆有限公司 | The weighing device of railway freight-car |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |