CN205228608U - Multi -functional instrument of weighing - Google Patents
Multi -functional instrument of weighing Download PDFInfo
- Publication number
- CN205228608U CN205228608U CN201520315669.XU CN201520315669U CN205228608U CN 205228608 U CN205228608 U CN 205228608U CN 201520315669 U CN201520315669 U CN 201520315669U CN 205228608 U CN205228608 U CN 205228608U
- Authority
- CN
- China
- Prior art keywords
- road
- weighing
- cpu
- passageway
- axles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Devices For Checking Fares Or Tickets At Control Points (AREA)
Abstract
The utility model relates to a multi -functional instrument of weighing, 24 high accuracy AD signal acquisition circuit all the way have, and the high -speed AD acquisition circuit of four ways, it weighs to realize whole car, to weigh the sensor bus connection of passageway at the passageway of weighing, the sensor bus of declaring a passageway connects on number of axles passageway, peripheral equipment connects on corresponding IO interface, it weighs to realize the gross rail load on axle appearance, divide two the tunnel to connect on two tunnel number of axles passageways that correspond the sensor bus of number of axles passageway, it weighs to realize two mesa gross rail load on axle appearance, connect the sensor bus branch four ways of number of axles passageway on the number of axles passageway that corresponds, reach the multi -functional mesh of weighing.
Description
Technical field
The utility model belongs to technical field of highway traffic, relates to a kind of measurement instrument of freeway toll station truck charge-by-weight.
Background technology
At present in highway communication field, various weighing instrument is varied, weighing instrument, as the core component of weight metering charging, be also quite strict, and various weighing instrument before the use to its requirement, all exploitation will be experienced, experiment, metering license, measurement verification process, and from develop to obtain measure license to experience a process of quite growing, add the cost of instrument so virtually, be unfavorable for enterprise's competition in the market.
Utility model content
The purpose of this utility model is to provide a kind of Multifunctional weighing meter, integrate static (car load) weighing to weigh with dynamic (axle load meter, dual stage face), and peripherals is controlled, the cycle of individual feature instrument exploitation can be shortened well, reduce costs, improve the competitiveness of product in market.
For achieving the above object, the technical solution adopted in the utility model is as follows: a kind of Multifunctional weighing meter, comprise touch-screen, display, base, circuit board, it is characterized in that circuit board comprises 24, road high-precision AD Acquisition Circuit, CPU, four road instrument amplifiers, four road high speed acquisition circuits, four road DI input and four road DO output circuits, I/O buffer circuit, wherein four road DI inputs and four road DO output circuits are isolated by I/O isolated drive circuit and CPU, touch-screen adopts serial port, the signal gathered is sent into CPU by 24 high-precision AD Acquisition Circuit, signal transacting is carried out and four road instrument amplifiers carry out signal amplification by CPU, then signal transacting is carried out by the AD on CPU, the signal gathered is sent into CPU by AD7606 by four road high speed acquisition circuits, signal transacting is carried out by CPU.
The utility model has the following advantages:
1, the utility model adds four tunnel simulating signal input channels on traditional weighing instrument basis, can meet static weighing and Dynamic Weighting two kinds of weighing patterns on existing market preferably.
2, Multifunctional weighing meter structure described in the utility model is simple, easy to operate, and it by the different modes of connection, can combine mutually, and realize dynamic static weighing, product can be widely used in highway traffic control field.
3, the utility model has multichannel analog and to weigh interface, can mate the different weighing weighing instrument use such as axle load meter, dual stage face, car load, and possesses the integrated instrument to functions such as the controls of track peripherals.Multichannel analog is weighed interface, can control peripherals, and touch-screen shows.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the cut-open view of Fig. 1 (removing base).
Fig. 3 is the utility model circuit board schematic diagram.
Embodiment
As shown in Figure 1 and Figure 2, film key is pasted onto on touch-screen exterior panel, the copper of touch-screen M3X12 is leant on and is fixed, base 1 milled screw of M3 customized is fixed, circuit board 2 screw of M3x8 is fixed on instrument housing inside, after whole base and circuit board install, the screw of panel and back casing M3x8 is fixed.
As shown in Figure 3, circuit board comprises a road high-precision AD Acquisition Circuit (passage of weighing), four road high speed acquisition circuits (number of axle passage), and the circuit that system worked well is necessary, four road DI, DO control circuits, serial communication circuit, real time clock circuit, memory circuit, I/O buffer circuit, and power circuit.
Weighing section adopts 24, road high-precision AD to carry out signals collecting, then signal transacting is carried out by CPU, and four road instrument amplifier carry out signal amplification, then signal transacting is carried out by AD on CPU sheet, instrument CPU selects STM32F103ZET6, high-precision AD selects AD7799 to carry out signals collecting, instrument amplifier selects IN326, enlargement factor is by resistance adjustable, four road DI input and four road DO export, whole DI, DO control circuit is isolated by isolated drive circuit and CPU, touch-screen adopts serial port, touch-screen selects 7 cun of touch-screens of Di Wenke skill.
In above-mentioned Multifunctional weighing meter, passage of weighing is high-precision AD acquisition channel, be applicable to the weighing of pin-point accuracy, such as static (car load) weighs, number of axle passage is the AD passage that frequency acquisition is high, be applicable to high speed acquisition, such as dynamically (axle load meter, dual stage face) weighs.
The concrete mode of connection: realize car load and weigh, the sensor bus of passage of weighing is connected to passage of weighing, and the sensor bus sentencing axis channel is connected on number of axle passage, and peripherals is connected on corresponding I/O interface;
Realize axle load meter to weigh, two-way the sensor bus of number of axle passage is divided to be connected on corresponding two-way number of axle passage, realize dual stage face axle load meter to weigh, four tunnels the sensor bus of number of axle passage are divided to be connected on corresponding number of axle passage, under axle load meter weighing pattern, directivity will be noted during wiring, the sensor bus entering car direction is connected on corresponding passage, going out car end sensor bus is connected on corresponding passage, number of axle passage according to the enlargement factor of sensor signal output regulation signal, can mate multiple Dynamic Weighting pattern.
Claims (1)
1. a Multifunctional weighing meter, comprise touch-screen, display, base (1), circuit board (2), it is characterized in that circuit board (2) comprises 24, road high-precision AD Acquisition Circuit, CPU, four road instrument amplifiers, four road high speed acquisition circuits, four road DI input and four road DO output circuits, I/O buffer circuit, wherein four road DI inputs and four road DO output circuits are isolated by I/O isolated drive circuit and CPU, touch-screen adopts serial port, the signal gathered is sent into CPU by 24 high-precision AD Acquisition Circuit, signal transacting is carried out and four road instrument amplifiers carry out signal amplification by CPU, then signal transacting is carried out by the AD on CPU, the signal gathered is sent into CPU by AD7606 by four road high speed acquisition circuits, signal transacting is carried out by CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520315669.XU CN205228608U (en) | 2015-05-15 | 2015-05-15 | Multi -functional instrument of weighing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520315669.XU CN205228608U (en) | 2015-05-15 | 2015-05-15 | Multi -functional instrument of weighing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205228608U true CN205228608U (en) | 2016-05-11 |
Family
ID=55903665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520315669.XU Active CN205228608U (en) | 2015-05-15 | 2015-05-15 | Multi -functional instrument of weighing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205228608U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768233A (en) * | 2016-12-16 | 2017-05-31 | 陕西电器研究所 | The implementation method of axis weight calculation and number of axle statistics is weighed in vehicle |
| CN111025131A (en) * | 2020-02-24 | 2020-04-17 | 浙江师范大学 | Characteristic parameter measuring instrument for triode amplifying circuit |
-
2015
- 2015-05-15 CN CN201520315669.XU patent/CN205228608U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768233A (en) * | 2016-12-16 | 2017-05-31 | 陕西电器研究所 | The implementation method of axis weight calculation and number of axle statistics is weighed in vehicle |
| CN111025131A (en) * | 2020-02-24 | 2020-04-17 | 浙江师范大学 | Characteristic parameter measuring instrument for triode amplifying circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206657065U (en) | A kind of portable charging pile calibrating installation | |
| CN103234610A (en) | Weighing method applicable to truck scale | |
| CN205228608U (en) | Multi -functional instrument of weighing | |
| CN203310494U (en) | Clock electronic scale | |
| CN205898894U (en) | Digital storage sweep generator | |
| CN103616064A (en) | Long-table-face dynamic rail weighbridge weighing system | |
| CN203298845U (en) | Wireless real-time vehicle weight measuring system | |
| CN209296118U (en) | A kind of highway weight calculation universal digital sound state meausring apparatus | |
| CN206671507U (en) | The battery simulator of multi-path high-precision analog signal output | |
| CN103308935B (en) | The electronic system of portable low power-consumption tissue-equivalent proportional counter | |
| CN201780323U (en) | Small-signal measuring instrument | |
| CN202166434U (en) | Vehicle-mounted data acquisition system for maintaining track line-shape | |
| CN202204582U (en) | On-line weighing apparatus | |
| CN203364942U (en) | Double weighing system equipment with axle load scale and static scale | |
| CN107290588A (en) | A kind of system of high-precision multithreading measurement frequency | |
| CN204389002U (en) | A kind of instrument high-speed AD sampling module | |
| CN200993634Y (en) | Sediment instrument | |
| CN203644279U (en) | Virtual instrument experiment system | |
| CN204705879U (en) | A kind of tourist attractions flow of the people, humiture parameter monitor device | |
| CN203561417U (en) | Four-weighing-platform road vehicle weighing system applicable to coupling type vehicles | |
| CN204189046U (en) | A kind of vibrating controller | |
| CN201885737U (en) | Digital display instrument | |
| CN206686144U (en) | A kind of high accuracy number frequency doubling system | |
| CN203025502U (en) | Low background alpha and beta measurement instrument control device | |
| CN107764444A (en) | A kind of torque transmission shaft test system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |