CN107797010A - A kind of automatic bow-lowering STS system test set - Google Patents
A kind of automatic bow-lowering STS system test set Download PDFInfo
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- CN107797010A CN107797010A CN201711232750.1A CN201711232750A CN107797010A CN 107797010 A CN107797010 A CN 107797010A CN 201711232750 A CN201711232750 A CN 201711232750A CN 107797010 A CN107797010 A CN 107797010A
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- chip microcomputer
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- circuit
- test set
- system test
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- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 239000008358 core component Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000003993 interaction Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000000630 rising effect Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 241000009298 Trigla lyra Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
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- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Abstract
The invention discloses a kind of automatic bow-lowering STS system test set, including watchdog reset circuit, airbag gas pressure sensor, AD sample circuits, touch all-in-one, RS232 serial port circuits, single-chip microcomputer, optocoupler, control relay circuit plate, actuating mechanism circuit and switching value input interface circuit, compared with prior art, the present invention is using AT89C51 single-chip microcomputers as control core, man-machine interaction medium is used as using touch all-in-one, with good man-machine interface, facilitate the use of operating personnel, complete to debug, and put into onsite application.This experimental rig, which employs, installs technology concentratedly in case, have the characteristics that operation flexibly, accuracy of reading is directly perceived, easy maintenance, superior performance, safe and reliable, appearance structure is attractive in appearance, light takes.
Description
Technical field
The present invention relates to a kind of automatic bow-lowering device correlation technique, more particularly to a kind of automatic bow-lowering STS system test set.
Background technology
Automatic bow-lowering device is the safety assurance that pantograph is normally used, and it is when pantograph pan is broken or is worn away that it, which is acted on,
To in limited time, pantograph is fallen automatically rapidly, avoid causing the damage of netting twine and pantograph.Automatic bow-lowering experimental rig is by quick
Air bleeding valve, automatic bow-lowering shutoff valve, pet valve and corresponding gas circuit composition.Rising bow compressed air is entering bow-lifting device simultaneously, also
Have and enter automatic bow-lowering device all the way, through gas circuit, upper arm or flexible pipe gas circuit in rapid escape valve, automatic bow-lowering shutoff valve and underarm
To pantograph pan seat bottom, the carbon edge of slide plate is provided with a passage, and the inside is filled with the air from pantograph air supply system.
Risen when the automatic bow-lowering function of pantograph is in opening (ADD shutoff valves are beaten in "ON" position) and pantograph, if motor supply shop
During sailing, slide plate ruptures or may wear to limit, and breakage of the compressed air through slide plate of control piper is discharged into air, control piper
Interior air pressure declines and controls rapid escape valve to open, and the compressed air in balloon-type cylinder is directly discharged into greatly by rapid escape valve
Gas, make pantograph rapid decrease, the function of fast automatic drop bow during so as to realize pantograph and catenary fault.Therefore the work of pantograph is ensured
Making performance can normally lift, while ensure that automatic bow-lowering device consistently achieves standard, and Detecting data is to automatic bow-lowering
Device performance carries out detection and seems more and more important.
The content of the invention
The purpose of the present invention is that to solve the above problems and provides a kind of automatic bow-lowering STS system test set.
The present invention is achieved through the following technical solutions above-mentioned purpose：
The present invention include watchdog reset circuit, airbag gas pressure sensor, AD sample circuits, touch all-in-one,
RS232 serial port circuits, single-chip microcomputer, optocoupler, control relay circuit plate, actuating mechanism circuit and switching value input interface circuit,
The watchdog reset circuit is connected with the single-chip microcomputer, the airbag gas pressure sensor by AD sample circuits with it is described
The input connection of single-chip microcomputer, the PORT COM of the touch all-in-one pass through the RS232 serial port circuits and the monolithic
Machine is connected, and the execution signal output part of the single-chip microcomputer is connected by an optocoupler with the control relay circuit plate,
The control relay circuit plate is connected with the actuating mechanism circuit, and the switching value input interface circuit passes through described in one
Optocoupler is connected with the control signal input of the single-chip microcomputer.
Specifically, the single-chip microcomputer model STC89C52.The optocoupler model OPT0IS01.Described 8 tunnel, 12 AD
Sample circuit uses MAX197 chips as core component.The RS232 serial port circuits use model MAX232 chips as core
Element.
The beneficial effects of the present invention are：
The present invention is a kind of automatic bow-lowering STS system test set, and compared with prior art, the present invention is with AT89C51 single-chip microcomputers
For control core, using touch all-in-one as man-machine interaction medium, there is good man-machine interface, facilitate making for operating personnel
With having completed to debug, and put into onsite application.This experimental rig, which employs, installs technology concentratedly in case, have and operate flexible, reading
Count accurate and visual, easy maintenance, superior performance, safe and reliable, appearance structure is attractive in appearance, light the features such as taking.
Brief description of the drawings
Fig. 1 is the single-chip computer control system block diagram of the present invention；
Fig. 2 is the light of the present invention every output control relay circuit diagram；
Fig. 3 is the MAX197 and microcontroller interface chip of the present invention；
Fig. 4 is the RS232 serial port circuit figures of the present invention；
Fig. 5 is the main system flow chart of the present invention；
Fig. 6 is the manual subroutine flow chart of the present invention；
Fig. 7 is the experiment power supply master system basic boom of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1：The present invention includes watchdog reset circuit, airbag gas pressure sensor, AD sample circuits, touch
Formula all-in-one, RS232 serial port circuits, single-chip microcomputer, optocoupler, control relay circuit plate, actuating mechanism circuit and On-off signal
Interface circuit, the watchdog reset circuit are connected with the single-chip microcomputer, and the airbag gas pressure sensor is sampled by AD
Circuit is connected with the input of the single-chip microcomputer, and the PORT COM of the touch all-in-one passes through the RS232 serial port circuits
It is connected with the single-chip microcomputer, the execution signal output part of the single-chip microcomputer passes through an optocoupler and Control electricity
Road plate connection, the control relay circuit plate are connected with the actuating mechanism circuit, and the switching value input interface circuit leads to
An optocoupler is crossed to be connected with the control signal input of the single-chip microcomputer.
Based on 8-bit microcontroller STC89C52 single-chip computer control system.Output par, c is by exporting light-coupled isolation
The break-make of on-off model control relay is so as to realizing to the control of the break-make of main circuit.Importation receives defeated from sensor
The analog signal gone out, and the on-off model Jing Guo light-coupled isolation.The On-off signal signal of system is six tunnels, wherein wrapping
Include：Rising bow signal, drop bow signal, rising bow upper limit signal, drop bow lower limit signal, I signal of test leakage, the letter of test leakage II
Number；Analog input is (0~10V) signal of airbag gas pressure sensor output.The output switch parameter of system is 4 tunnels, bag
Include：I stopping is revealed in test, test leakage II stops, rising bow indicates and drops the function of bow instruction.By the host computer of formulation with
The communications protocol of position machine, the data command for judging to be transmitted by serial communication control output signal, complete corresponding execute instruction,
Communication with touch all-in-one is realized by RS232 serial line interface.Single-chip computer control system block diagram is as shown in Figure 1.
Specifically, the single-chip microcomputer model STC89C52.
As shown in Figure 2：The optocoupler model OPT0IS01, in order to which system is preferably anti-interference, input and output are used up
Coupling chip is isolated to realize.The circuit of small relay is controlled by light-coupled isolation chip by the on-off model of single-chip microcomputer output
Figure is as shown in Figure 3.
As shown in Figure 3：The bit AD sample circuit of 8 tunnel 12 uses MAX197 chips as core component.A/D change-over circuits
With high speed MAX197 converters, the bit AD sample of 8 tunnel 12, the μ s of sampling time 6, while difference sampling can be done.Sample range be 0~
5V, 0~10V, -5V~+5V, -10V~+10V, setting can be individually adjusted by software per sample range all the way.Sampling electricity
Road is as shown in Figure 3.
As shown in Figure 4：The RS232 serial port circuits use model MAX232 chips as core parts.RS232 serial port power
Lu Zhong, CPU serial port 11 pin RXD, TXD and GND are connected to level conversion special circuit MAX232 ROUT, TIN and GND
Pin, the Transistor-Transistor Logic level that CPU serial ports export is converted to standard RS232 level with MAX232, can with microcomputer Direct Communication, upper
The RS232 level conversions that position machine is sent are Transistor-Transistor Logic level to CPU.Pass through the serial communication between MAX232 and host computer.Serial ports leads to
It is as shown in Figure 4 to interrogate circuit.
The whole system of single-chip microcomputer can be initialized by the operation of system, whole system and test specimen are carried out certainly
Dynamic protection and reset.Button scanning can be carried out when operating and starting, and performs corresponding subprogram.System is pressed in detection process
Set interrupt priority level performs corresponding interrupt routine, including sets the timer 0 of baud rate to interrupt, control stepper motor
Timer 2 interrupt, AD Sampling interrupts program and serial ports interrupt.When performing distinct program section, send on-off model make after
Electrical equipment adhesive, so as to control the break-make of indicator lamp and main circuit breaker.Main program flow chart is as shown in figure 5, manually operated subprogram
Flow chart is as shown in Figure 6.
Experimental rig upper computer software part uses structuring, stratification and modeled programming method, with single-chip microcomputer,
Airbag gas pressure sensor and other hardware components perfect adaptations, constitute automatic bow-lowering experiment TT＆C system.Host computer
Software mainly includes parameter setting, test process, data management three parts, and general structure is as shown in Figure 7.
Parameter setting module is mainly completed to test the setting of relevant parameter, the mainly choosing including big amount of leakage and small amount of leakage
Select, the main setting for completing test specimen numbering, detection job number can test out the rising bow time of two states by the setting of parameter
And the drop bow time, big amount of leakage and small amount of leakage can be tested respectively after rising bow.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
- A kind of 1. automatic bow-lowering STS system test set, it is characterised in that：Including watchdog reset circuit, airbag gas pressure sensing Device, AD sample circuits, touch all-in-one, RS232 serial port circuits, single-chip microcomputer, optocoupler, control relay circuit plate, execution machine Structure circuit and switching value input interface circuit, the watchdog reset circuit are connected with the single-chip microcomputer, the airbag gas pressure Force snesor is connected by AD sample circuits with the input of the single-chip microcomputer, and the PORT COM of the touch all-in-one passes through The RS232 serial port circuits are connected with the single-chip microcomputer, and the execution signal output part of the single-chip microcomputer passes through an optocoupler It is connected with the control relay circuit plate, the control relay circuit plate is connected with the actuating mechanism circuit, described to open Pass amount input interface circuit is connected by an optocoupler with the control signal input of the single-chip microcomputer.
- 2. automatic bow-lowering STS system test set according to claim 1, it is characterised in that：The single-chip microcomputer model STC89C52 minimum control systems.
- 3. automatic bow-lowering STS system test set according to claim 1, it is characterised in that：The optocoupler model OPT0IS01。
- 4. automatic bow-lowering STS system test set according to claim 1, it is characterised in that：The bit AD sample of 8 tunnel 12 electricity Road uses MAX197 chips as core component.
- 5. automatic bow-lowering STS system test set according to claim 1, it is characterised in that：The RS232 serial port circuits are adopted It is core parts with model MAX232 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711232750.1A CN107797010A (en) | 2017-11-30 | 2017-11-30 | A kind of automatic bow-lowering STS system test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711232750.1A CN107797010A (en) | 2017-11-30 | 2017-11-30 | A kind of automatic bow-lowering STS system test set |
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| Publication Number | Publication Date |
|---|---|
| CN107797010A true CN107797010A (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711232750.1A Pending CN107797010A (en) | 2017-11-30 | 2017-11-30 | A kind of automatic bow-lowering STS system test set |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333408A (en) * | 2019-07-10 | 2019-10-15 | 陕西高科电力电子有限责任公司 | A kind of multi-way switching values scanning-detecting system |
| CN114179619A (en) * | 2022-01-17 | 2022-03-15 | 中车青岛四方机车车辆股份有限公司 | Pantograph ultrahigh automatic pantograph lowering control system and method, pantograph and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1153444B (en) * | 1959-09-14 | 1963-08-29 | W H Joens & Co G M B H | Device for the electrical remote control of switch-on and switch-off processes by means of a control command generated by the encoder |
| CN201667535U (en) * | 2010-07-16 | 2010-12-08 | 重庆迅驰电气有限公司 | Electric power system line protection observe and control apparatus |
| CN202066623U (en) * | 2010-12-27 | 2011-12-07 | 北京赛德高科铁道电气科技有限责任公司 | Pantograph static pressure detection terminal, controller and detection system |
| CN106338405A (en) * | 2016-08-31 | 2017-01-18 | 中车青岛四方机车车辆股份有限公司 | Pantograph test method, system, device and rail vehicle |
| CN207992330U (en) * | 2017-11-30 | 2018-10-19 | 兰州交通大学 | A kind of automatic bow-lowering STS system test set |
-
2017
- 2017-11-30 CN CN201711232750.1A patent/CN107797010A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1153444B (en) * | 1959-09-14 | 1963-08-29 | W H Joens & Co G M B H | Device for the electrical remote control of switch-on and switch-off processes by means of a control command generated by the encoder |
| CN201667535U (en) * | 2010-07-16 | 2010-12-08 | 重庆迅驰电气有限公司 | Electric power system line protection observe and control apparatus |
| CN202066623U (en) * | 2010-12-27 | 2011-12-07 | 北京赛德高科铁道电气科技有限责任公司 | Pantograph static pressure detection terminal, controller and detection system |
| CN106338405A (en) * | 2016-08-31 | 2017-01-18 | 中车青岛四方机车车辆股份有限公司 | Pantograph test method, system, device and rail vehicle |
| CN207992330U (en) * | 2017-11-30 | 2018-10-19 | 兰州交通大学 | A kind of automatic bow-lowering STS system test set |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333408A (en) * | 2019-07-10 | 2019-10-15 | 陕西高科电力电子有限责任公司 | A kind of multi-way switching values scanning-detecting system |
| CN114179619A (en) * | 2022-01-17 | 2022-03-15 | 中车青岛四方机车车辆股份有限公司 | Pantograph ultrahigh automatic pantograph lowering control system and method, pantograph and vehicle |
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