CN201266109Y - Dynamic railway scale data acquisition instrument - Google Patents
Dynamic railway scale data acquisition instrument Download PDFInfo
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- CN201266109Y CN201266109Y CNU200820109876XU CN200820109876U CN201266109Y CN 201266109 Y CN201266109 Y CN 201266109Y CN U200820109876X U CNU200820109876X U CN U200820109876XU CN 200820109876 U CN200820109876 U CN 200820109876U CN 201266109 Y CN201266109 Y CN 201266109Y
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Abstract
The utility model relates to a dynamic rail balance data acquisition instrument which belongs to the technical field of the testing and comprises four amplifiers, four A/D conversion modules, a multiway switch, and a CPU module, and a serial port module, wherein input ends of OPO77 modules of the amplifiers are connected with output ends of sensors, a dynamic rail balance has four sensors, and output signals are respectively connected with input ends of the four OPO77 modules of the four amplifiers; the output end of an AD620AN module of each amplifier is connected with one A/D conversion module, outputs of the four AD620AN modules of the four amplifier are respectively connected with inputs of four AD7715AN modules of the four A/D conversion modules, four outputs of the four A/D conversion modules are respectively connected to the multiway switch and the input end of an AT89C205 of the CPU module, and the output of the AT89C205 of the CPU module is connected to the input end of an MXD232CPE of the serial port module; and the output end of the MXD232CPE of the serial port module is connected with a computer. The utility model overcomes the problem that a dynamic rail balance weighting instrument is very troublesome for debugging.
Description
Technical field
The utility model belongs to technical field of measurement and test, particularly relates to a kind of dynamic railway truck scale data collecting instrument, and the output valve of energy while sensor at 4 angles of demonstration track scale table top on microcomputer is also made 4 angular sensitivities balanced compensated (replacing the balanced compensated function of potentiometer).
Background technology
At present, dynamic railway truck scale data collecting instrument commonly used, be four sensors and after bridge circuit connects, gather a signal, pass to data collecting instrument again, data collecting instrument has only one road A/D (analog to digital conversion) passage, the balanced compensated mode of the balanced compensated employing potentiometer of sensor 4 angular sensitivities is debugged very loaded down with trivial details.
Summary of the invention
The purpose of this utility model is to provide a kind of dynamic railway truck scale data collecting instrument, has overcome the very loaded down with trivial details problem of existing dynamic railway truck scale weighing instrument debugging.
The utility model is made up of No. 4 amplifiers, 4 road A/D (analog to digital conversion), 1 multi-way switch and CPU, 1 serial ports.Every road amplifier is made up of 1 OP077 module and 1 AD620AN module, and the output of OP077 module connects the input of AD620AN module, the input termination sensor output of the OP077 module of amplifier.Dynamic railway truck scale has 4 sensors, and output signal connects the input end of 4 OP077 modules of 4 amplifiers respectively.AD620AN module output termination 1 road A/D (analog to digital conversion) module of every road amplifier, be that modules A D7715AN-5 carries out analog to digital conversion, the output of 4 AD620AN modules of No. 4 amplifiers is respectively with 4 road A/D (analog to digital conversion)---the input of AD7715AN-5 module is connected, multi-way switch and CPU module are received in four tunnel outputs of 4 road A/D (analog to digital conversion) module respectively, it is the input end of modules A T89C2051, serial port module, the i.e. input end of MXD232CPE are then received in output.The output terminal of serial port module MAX232CPE links to each other with computer.
The utility model data collecting instrument is 4 road A/D (analog to digital conversion) passage track scale instrument, and the direct current millivolt signal of every sensor transmits by the RS485/232 serial ports after A/D (analog to digital conversion) converts digital signal to; Microcomputer can show 4 angles of track scale table top sensor output valve and make 4 angular sensitivities balanced compensated (replace potentiometer balanced compensated function); Can discern weighing apparatus direction (quite important) to dynamic railway truck scale.
Benefit of the present utility model is, sensor is by this kind data collecting instrument, microcomputer can show 4 angles of track scale table top sensor output valve and make 4 angular sensitivities balanced compensated (replacing the balanced compensated function of potentiometer), be convenient to debugging; In addition, show 4 sensor code values in real time, can monitor the performance of four sensors, the sensor that discovery is in time broken down is convenient to safeguard.
Description of drawings
Fig. 1 is a dynamic railway truck scale data collecting instrument structured flowchart.
Fig. 2 is amplifier and A/D (analog to digital conversion) module circuit diagram.
Fig. 3 is multi-way switch and CPU module circuit diagram.
Fig. 4 is serial port circuit figure.
Embodiment
Fig. 1～Fig. 4 is a kind of embodiment of the present invention.
Fig. 1 is that dynamic railway truck scale data collecting instrument and electrical equipment connect block diagram, and data collecting instrument inside mainly is made up of amplifier, A/D (analog to digital conversion), multi-way switch and CPU, serial ports four parts.
Fig. 2 is amplifier and A/D (analog to digital conversion) module circuit diagram, after the signal process OP077 module of the sensor acquisition at each angle of track scale and the amplifier that the AD620AN module is formed carry out filtering and amplification, be sent to analog-to-digital conversion module AD7715AN-5 and carry out analog to digital conversion, convert the digital signal that computing machine can be discerned to.Dynamic railway truck scale always has the signal that four sensors (there is a sensor at each angle of track scale) transmit, and becomes 4 digital signals through identical 4 amplifier modules and analog-to-digital conversion module and is respectively: DA1, DA2, DA3, DA4.
Fig. 3 is multi-way switch and CPU module circuit diagram, and instruction is all calculated, transmits and send to all data in the processor of single-chip microcomputer.Four sensor digital signal DA1, DA2, DA3, DA4 receive the pin 12,14,16,18 of single-chip microcomputer respectively.Digital signal is output as RXD and TXD after calculating through CPU, and RXD and TXD receive the pin 9 and 10 of MXD232CPE respectively.
Fig. 4 is serial port circuit figure, and the function of module MAX232CPE realizes serial communication exactly, drives with serial data to receive, and the chip of integrated this MAX232CPE of IC must connect+and the 5V power supply just can work.Mainly be used in and play in the peripherals and computer or single-chip microcomputer this part serial communication.The signal of four sensors of dynamic railway truck scale is exactly to be connected with the computer of outside by figure seven.Realize the demonstration of data and check sensor accuracy.
Claims (2)
1, a kind of dynamic railway truck scale data collecting instrument is characterized in that, is made up of No. 4 amplifiers, 4 road A/D analog to digital conversion, 1 multi-way switch and CPU, 1 serial ports; The input termination sensor output of the OP077 module of amplifier, dynamic railway truck scale has 4 sensors, and output signal connects the input end of 4 OP077 modules of 4 amplifiers respectively; AD620AN module output termination 1 road A/D analog-to-digital conversion module of every road amplifier, the output of 4 AD620AN modules of No. 4 amplifiers is respectively with 4 road A/D analog to digital conversion---the input of AD7715AN-5 module is connected, the input end of multi-way switch and CPU modules A T89C2051 is received in four tunnel outputs of 4 road A/D analog-to-digital conversion modules respectively, and the input end of serial port module MXD232CPE is then received in output; The output terminal of serial port module MAX232CPE links to each other with computer.
According to the described dynamic railway truck scale data collecting instrument of claim 1, it is characterized in that 2, every road amplifier is made up of 1 OP077 module and 1 AD620AN module, the output of OP077 module connects the input of AD620AN module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820109876XU CN201266109Y (en) | 2008-08-22 | 2008-08-22 | Dynamic railway scale data acquisition instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820109876XU CN201266109Y (en) | 2008-08-22 | 2008-08-22 | Dynamic railway scale data acquisition instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201266109Y true CN201266109Y (en) | 2009-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820109876XU Expired - Lifetime CN201266109Y (en) | 2008-08-22 | 2008-08-22 | Dynamic railway scale data acquisition instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN201266109Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063425A (en) * | 2017-05-17 | 2017-08-18 | 江西众加利高科技股份有限公司 | A kind of device for detecting failure respectively to axle group formula weighing sensor |
| CN107421618A (en) * | 2017-05-17 | 2017-12-01 | 江西众加利高科技股份有限公司 | A kind of device for detecting failure respectively to complete-vehicle-type weighing sensor |
| CN108226620A (en) * | 2016-12-22 | 2018-06-29 | 航天信息股份有限公司 | A kind of voltage sensor signal conditioning circuit |
-
2008
- 2008-08-22 CN CNU200820109876XU patent/CN201266109Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226620A (en) * | 2016-12-22 | 2018-06-29 | 航天信息股份有限公司 | A kind of voltage sensor signal conditioning circuit |
| CN107063425A (en) * | 2017-05-17 | 2017-08-18 | 江西众加利高科技股份有限公司 | A kind of device for detecting failure respectively to axle group formula weighing sensor |
| CN107421618A (en) * | 2017-05-17 | 2017-12-01 | 江西众加利高科技股份有限公司 | A kind of device for detecting failure respectively to complete-vehicle-type weighing sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 066326 Hebei Qinhuangdao Shing Qin metal material Co., Ltd. steel rolling Department Co-patentee after: Shougang Group Co. Ltd. Patentee after: Qinhuangdao Shouqin Metal Material Co., Ltd. Address before: 066326 Hebei Qinhuangdao Shing Qin metal material Co., Ltd. steel rolling Department Co-patentee before: Capital Iron & Steel General Company Patentee before: Qinhuangdao Shouqin Metal Material Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090701 |
|
| CX01 | Expiry of patent term |