CN207992330U - 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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- CN207992330U CN207992330U CN201721632489.XU CN201721632489U CN207992330U CN 207992330 U CN207992330 U CN 207992330U CN 201721632489 U CN201721632489 U CN 201721632489U CN 207992330 U CN207992330 U CN 207992330U
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- microcontroller
- lowering
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Abstract
The utility model discloses a kind of automatic bow-lowering STS system test sets, including watchdog reset circuit, airbag gas pressure sensor, AD sample circuits, touch all-in-one machine, RS232 serial port circuits, microcontroller, optocoupler, control relay circuit plate, actuating mechanism circuit and switching value input interface circuit, compared with prior art, the utility model is with AT89C51 microcontrollers core in order to control, using touch all-in-one machine as human-computer interaction medium, with good man-machine interface, it is conveniently operated the use of personnel, debugging is completed, and puts into onsite application.This experimental rig, which uses, installs technology concentratedly in case, have the characteristics that operation flexibly, accuracy of reading is intuitive, easy maintenance, superior performance, safe and reliable, appearance structure is beautiful, light takes.
Description
Technical field
The utility model is related to a kind of automatic bow-lowering device the relevant technologies more particularly to a kind of automatic bow-lowering system test to fill
It sets.
Background technology
Automatic bow-lowering device is the safety assurance that pantograph is normally used, and effect is when pantograph pan is broken or is worn away
To in limited time, so that pantograph is fallen automatically rapidly, avoid the damage for causing cable and pantograph.Automatic bow-lowering experimental rig is by quick
Air bleeding valve, automatic bow-lowering close 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, gas circuit, upper arm or hose gas circuit in valve and underarm are closed through rapid escape valve, automatic bow-lowering
To pantograph pan seat lower part, the carbon edge of slide plate sets that there are one channels, and the inside is filled with the air from pantograph air supply system.
When the automatic bow-lowering function of pantograph is in open state (ADD close valve beat in "ON" position) and pantograph rise, 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 opening, and the compressed air in balloon-type cylinder is directly discharged into greatly by rapid escape valve
Gas makes pantograph rapid decrease, the function of fast automatic drop bow when to realize pantograph and catenary fault.Therefore to ensure the work of pantograph
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, which is detected, to be become more and more important.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of automatic bow-lowering STS system test set.
The utility model is achieved through the following technical solutions above-mentioned purpose：
The utility model includes watchdog reset circuit, airbag gas pressure sensor, AD sample circuits, touch one
Machine, RS232 serial port circuits, microcontroller, optocoupler, control relay circuit plate, actuating mechanism circuit and switch value input interface electricity
Road, the watchdog reset circuit are connect with the microcontroller, the airbag gas pressure sensor by AD sample circuits with
The input terminal of the microcontroller connects, the PORT COM of the touch all-in-one machine by the RS232 serial port circuits with it is described
Microcontroller connects, and the execution signal output end of the microcontroller is connected by an optocoupler and the control relay circuit plate
It connects, the control relay circuit plate is connect with the actuating mechanism circuit, and the switching value input interface circuit passes through one
The optocoupler is connect with the control signal input of the microcontroller.
Specifically, the microcontroller model STC89C52.The optocoupler model OPT0IS01.12,8 tunnel AD
Sample circuit uses MAX197 chips for core component.The RS232 serial port circuits use model MAX232 chips for core
Element.
The beneficial effects of the utility model are：
The utility model is a kind of automatic bow-lowering STS system test set, compared with prior art, the utility model with
Core has good man-machine interface, side to AT89C51 microcontrollers using touch all-in-one machine as human-computer interaction medium in order to control
The use of convenient to operate personnel is completed debugging, and puts into onsite application.This experimental rig, which uses, installs technology concentratedly in case,
With operation, flexible, accuracy of reading is intuitively, easy maintenance, superior performance, safe and reliable, appearance structure is beautiful, light
The features such as can taking.
Description of the drawings
Fig. 1 is the single-chip computer control system block diagram of the utility model；
Fig. 2 is the light of the utility model every output control relay circuit diagram；
Fig. 3 is the MAX197 and microcontroller interface chip of the utility model；
Fig. 4 is the RS232 serial port circuit figures of the utility model；
Fig. 5 is the main system flow chart of the utility model；
Fig. 6 is the manual subroutine flow chart of the utility model；
Fig. 7 is the experiment power supply master system basic boom of the utility model.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1：The utility model include watchdog reset circuit, airbag gas pressure sensor, AD sample circuits,
Touch all-in-one machine, RS232 serial port circuits, microcontroller, optocoupler, control relay circuit plate, actuating mechanism circuit and switching value
Input interface circuit, the watchdog reset circuit are connect with the microcontroller, and the airbag gas pressure sensor passes through AD
Sample circuit is connect with the input terminal of the microcontroller, and the PORT COM of the touch all-in-one machine passes through the RS232 serial ports
Circuit is connect with the microcontroller, and the execution signal output end of the microcontroller passes through an optocoupler and the relay control
Circuit board connection processed, the control relay circuit plate are connect with the actuating mechanism circuit, the switch value input interface electricity
Road is connect by an optocoupler with the control signal input of the microcontroller.
Single-chip computer control system based on 8-bit microcontroller STC89C52.Output par, c is by exporting light-coupled isolation
On-off model controls the break-make of relay to realize that the break-make to main circuit controls.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
It includes：Rising bow signal, drop bow signal, rising bow upper limit signal, drop bow lower limit signal, I signal of test leakage, II letter of test leakage
Number；Analog input is (0~10V) signal of airbag gas pressure sensor output.The output switch parameter of system is 4 tunnels, packet
It includes：Test leakage I stops, test leakage II stops, the function of rising bow instruction and drop bow instruction.By the host computer of formulation under
The communications protocol of position machine judges the data command transmitted by serial communication to control output signal, and completion executes instruction accordingly,
Communication with touch all-in-one machine is realized by the serial line interface of RS232.Single-chip computer control system block diagram is as shown in Figure 1.
Specifically, the microcontroller 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 on-off model exported by microcontroller controls the circuit of small relay by light-coupled isolation chip
Figure is as shown in Figure 3.
As shown in Figure 3：8 tunnel, 12 bit AD sample circuit uses MAX197 chips for core component.A/D conversion circuits
With high speed MAX197 converters, 8 tunnel, 12 bit AD sample, 6 μ s of sampling time, while difference sampling can be done.Sample range be 0~
5V, 0~10V, -5V~+5V, -10V~+10V can be individually adjusted setting per sample range all the way by software.Sampling electricity
Road is as shown in Figure 3.
As shown in Figure 4：The RS232 serial port circuits use model MAX232 chips for core element.The serial port power of RS232
Lu Zhong is connected to serial port 11 foot RXD, TXD and GND of CPU ROUT, TIN and the GND of level conversion special circuit MAX232
The Transistor-Transistor Logic level that CPU serial ports export is converted to standard RS232 level by foot 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 is logical
It is as shown in Figure 4 to interrogate circuit.
The whole system of microcontroller 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 beginning, and executes corresponding subprogram.System is pressed in detection process
Set interrupt priority level executes corresponding interrupt routine, include setting baud rate timer 0 interrupt, control stepper motor
Timer 2 interrupt, AD Sampling interrupts program and serial ports interrupt.When executing distinct program section, send out on-off model make after
Electric appliance is attracted, to control the break-make of indicator light and main circuit breaker.Main program flow chart is as shown in figure 5, manual operation subprogram
Flow chart is as shown in Figure 6.
Experimental rig upper computer software part use structuring, stratification and modeled programming method, with microcontroller,
Airbag gas pressure sensor and other hardware components perfect adaptations constitute automatic bow-lowering experiment TT＆C system.Host computer
Software includes mainly parameter setting, test process, data management three parts, and overall structure is as shown in Figure 7.
Parameter setting module mainly completes the setting of experiment relevant parameter, mainly includes the choosing of big amount of leakage and small amount of leakage
It selects, the main setting for completing test specimen number, detection work 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 advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of automatic bow-lowering STS system test set, it is characterised in that：Including watchdog reset circuit, airbag gas pressure sensing
Device, touch all-in-one machine, RS232 serial port circuits, microcontroller, optocoupler, control relay circuit plate, executes machine at AD sample circuits
Structure circuit and switching value input interface circuit, the watchdog reset circuit are connect with the microcontroller, the airbag gas pressure
Force snesor is connect by AD sample circuits with the input terminal of the microcontroller, and the PORT COM of the touch all-in-one machine passes through
The RS232 serial port circuits are connect with the microcontroller, and the execution signal output end of the microcontroller passes through an optocoupler
It is connect with the control relay circuit plate, the control relay circuit plate is connect with the actuating mechanism circuit, described to open
Pass amount input interface circuit is connect by an optocoupler with the control signal input of the microcontroller.
2. automatic bow-lowering STS system test set according to claim 1, it is characterised in that：The microcontroller 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 AD sample circuits use 8
12, road MAX197 chips are 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 element with model MAX232 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721632489.XU CN207992330U (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 |
|---|---|---|---|
| CN201721632489.XU CN207992330U (en) | 2017-11-30 | 2017-11-30 | A kind of automatic bow-lowering STS system test set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207992330U true CN207992330U (en) | 2018-10-19 |
Family
ID=63803866
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721632489.XU Expired - Fee Related CN207992330U (en) | 2017-11-30 | 2017-11-30 | A kind of automatic bow-lowering STS system test set |
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| CN (1) | CN207992330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107797010A (en) * | 2017-11-30 | 2018-03-13 | 兰州交通大学 | A kind of automatic bow-lowering STS system test set |
-
2017
- 2017-11-30 CN CN201721632489.XU patent/CN207992330U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107797010A (en) * | 2017-11-30 | 2018-03-13 | 兰州交通大学 | A kind of automatic bow-lowering STS system test set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20191130 |