CN107484396A - Fan coolling module is monitored for what subway was downloaded from autocontrol system rack - Google Patents
Fan coolling module is monitored for what subway was downloaded from autocontrol system rack Download PDFInfo
- Publication number
- CN107484396A CN107484396A CN201710834666.0A CN201710834666A CN107484396A CN 107484396 A CN107484396 A CN 107484396A CN 201710834666 A CN201710834666 A CN 201710834666A CN 107484396 A CN107484396 A CN 107484396A
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- China
- Prior art keywords
- fan
- module
- mcu
- electrically connected
- vehicle
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- 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.)
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20845—Modifications to facilitate cooling, ventilating, or heating for automotive electronic casings
- H05K7/20863—Forced ventilation, e.g. on heat dissipaters coupled to components
Abstract
It is a kind of to monitor fan coolling module, including power module, fan for what subway was downloaded from autocontrol system rack, it is characterized in that：Fan coolling module can be monitored with vehicle-mounted ATP subsystem to be connected, power module includes voltage changing module I, voltage changing module II, and vehicle-mounted ATP subsystem is electrically connected between vehicle power and voltage changing module I；Voltage changing module I is electrically connected with fan, voltage changing module II and MCU is electrically connected with, MCU is electrically connected with fan operating control circuit and temperature sensor respectively, fan operating control circuit is electrically connected with fan, fan is electrically connected with feedback circuit, and feedback circuit, temperature sensor and MCU are electrically connected with.It can not only monitor fan running status, when improving fan work efficiency, and avoiding due to fan irregular working, cause On-board ATC system can not know the operation conditions of fan, the defects of causing machine in-cabinet temperature too high damage system.
Description
Technical field
The present invention relates to field of circuit control, specifically a kind of subway load that is used for automatically controls（ATC, Automatic
Train Control）System cabinet monitors fan coolling module.It is primarily adapted for use in the monitoring of fan running status, leads to
Cross train automatic protection in the vehicle-mounted automatic control system received（ATP, Automatic Train Protect）The control of subsystem
System output carrys out electricity in control module, by the micro-control unit in module（MCU）Fan running and stopping are controlled, while will be monitored
Module application logic export and give vehicle-mounted ATP subsystem.
Background technology
City rail traffic signal system is the key component in its automated system, is to ensure train and passenger safety,
Realize the automatic control system that train operation is efficient, command and management is orderly.The core of signal system is ATC system, and it includes car
Carry part and above ground portion.Vehicle-mounted ATC system generally comprises the vehicle-mounted ATP subsystem installed in same rack, vehicle-mounted train
Automatic Pilot（ATO, Automatic Train Operation）Subsystem, vehicle-mounted car ground Information Exchange System（Train is controlled automatically
Communication is used during (CBTC, the Communication Based Train Control) system of system, one during point type system
As use cross-inductive loop wire mode）, acknowledgement transmissions module（BTM, Balise Transmission Module）, the corresponding interface
Layer equipment, and other trains outside rack are with information sensor etc..
On-board ATC system installs the important subsystems such as vehicle-mounted ATP subsystem, ATO systems in same rack concentratedly, machine
Heat dissipation problem in cabinet is with regard to particularly significant.Cold air is generally sucked into rack from the front side of rack, passes through rack rear portion
Fan take the heat in rack out of rack again, form an effective heat dissipation channel gone out after advancing, reaching reduces rack temperature
The effect of degree.But the heat abstractor of existing On-board ATC system cabinet is usually the ventilation fan that can not be monitored, and is caused
On-board ATC system can not know load and the working environment of fan in time.
The content of the invention
Fan coolling module is monitored for the vehicle-mounted ATC system rack of subway it is an object of the invention to provide a kind of, no
But fan running status can be monitored, when improving fan work efficiency, and avoiding due to fan irregular working, is caused vehicle-mounted
ATC system can not know the operation conditions of fan, the defects of causing machine in-cabinet temperature too high damage system.
To achieve the above object, the invention provides following technical scheme：This is used for subway and is downloaded from autocontrol system machine
The fan coolling module that monitors of cabinet includes power module, fan, is characterized in that：The signal of fan coolling module can be monitored
Output end is connected with the signal input part of vehicle-mounted ATP subsystem, and power module includes what is be electrically connected with vehicle power output end
Voltage changing module I, the voltage changing module II being electrically connected with voltage changing module I output ends, the signal output part of vehicle-mounted ATP subsystem are electrical
It is connected between vehicle power and voltage changing module I；Voltage changing module I output end and the power input of fan are electrically connected with, and are become
Die block II power output end and MCU power input are electrically connected with, MCU signal output part respectively with fan running control
The signal input part of circuit and temperature sensor processed is electrically connected with, the signal output part of fan operating control circuit and the letter of fan
Number input is electrically connected with, and the signal output part of fan and the signal input part of feedback circuit are electrically connected with, the letter of feedback circuit
Number output end with and the signal output part of temperature sensor and MCU signal input part be electrically connected with.
Present invention also offers a kind of method that monitoring equipment in-cabinet temperature is realized by above-mentioned module, it is characterized in that,
Comprise the following steps：
Step 1）, by vehicle power to electric on rack, each subsystem self-test in ATC system, and self-detection result is sent to
Vehicle-mounted ATP subsystem；
Step 2）, when each subsystem self-test all by when, perform step 2.1）；When each subsystem self-test have not by when, hold
Row step 2.2）；
Step 2.1）, vehicle-mounted ATP subsystem controls, which export high level, makes voltage changing module I be connected with vehicle power；
Step 2.2）, ATP alarms and controls output low level to disconnect voltage changing module I and vehicle power；
Step 3）, MCU controls fan running by fan operating control circuit, and fan square wave frequency and will be accounted for by feedback circuit
The signal of empty ratio is sent to MCU, and monitors the temperature in rack in real time by temperature sensor；When fan normal operation and machine
When in-cabinet temperature is less than given threshold, step 3.1 is performed）；When fan abnormal running or machine in-cabinet temperature are more than given threshold
When, perform step 3.2）；
Step 3.1）, refrigerating module exports logic high by MCU to vehicle-mounted ATP subsystem, and MCU controlled by fan running
Circuit controls fan continuous running；
Step 3.2）, refrigerating module exports logic low by MCU to vehicle-mounted ATP subsystem, and MCU controlled by fan running
Circuit control fan shuts down, and performs step 2.2）.
Beneficial effects of the present invention：Embedded Control circuit board of the invention based on MCU, by receiving ATP control outputs
It is electric in signal control module, and fan running and stopping are controlled, the operating temperature of rack is detected, and running status is passed through into logic
Output is sent to vehicle-mounted ATP subsystem.The running status and cabinet temperature of MCU combination fans export to ATP logics, pass through three
With feedback（Afterwards）Fan, take the heat in rack out of rack, form an effective heat dissipation channel gone out after advancing, reach drop
The effect of low cabinet temperature, while running status is fed back into ATP subsystems.In summary, the present invention is simple for structure, only passes through
Above-mentioned control function can be achieved in single MCU, is more beneficial for low-cost high-efficiency manufacture.
Brief description of the drawings
Fig. 1 is fan coolling module operation principle block diagram；
Fig. 2 is fan coolling module workflow diagram.
Embodiment
Below in conjunction with Fig. 1 ~ 2, present disclosure is described in detail by specific embodiment.This is used for subway and is downloaded from dynamic control
The fan coolling module that monitors of system cabinet processed includes power module, fan.Wherein, the signal of fan coolling module can be monitored
Output end is connected with the signal input part of vehicle-mounted ATP subsystem, and power module includes what is be electrically connected with vehicle power output end
Voltage changing module I, the voltage changing module II being electrically connected with voltage changing module I output ends, the signal output part of vehicle-mounted ATP subsystem are electrical
It is connected between vehicle power and voltage changing module I；Voltage changing module I output end and the power input of fan are electrically connected with, and are become
Die block II power output end and MCU power input are electrically connected with, MCU signal output part respectively with fan running control
The signal input part of circuit and temperature sensor processed is electrically connected with, the signal output part of fan operating control circuit and the letter of fan
Number input is electrically connected with, and the signal output part of fan and the signal input part of feedback circuit are electrically connected with, the letter of feedback circuit
Number output end with and the signal output part of temperature sensor and MCU signal input part be electrically connected with.
The detailed process of temperature is controlled by above-mentioned refrigerating module, is comprised the following steps：
Step 1）, by vehicle power to electric on rack, each subsystem self-test in ATC system, and self-detection result information is passed
Give vehicle-mounted ATP subsystem；
Step 2）, when each subsystem self-test all by when, perform step 2.1）：Vehicle-mounted ATP subsystem controls export high level
Voltage changing module I is set to be connected with vehicle power, that is, be powered work；
When each subsystem self-test have not by when, perform step 2.2）：ATP alarms and controls output low level to make voltage changing module I
Disconnected with vehicle power, i.e., can not be powered work；
Step 3）, MCU by fan operating control circuit send instruction control fan running, when（Three）Fan is started working
Afterwards, the signal of square wave frequency and dutycycle is sent to by MCU by feedback circuit, and passes through the real-time monitoring modular of temperature sensor
Temperature in bulk temperature/or rack, the operation conditions and machine in-cabinet temperature of MCU combination fans are to vehicle-mounted ATP Subsystem logical
Output；
Temperature alarming threshold value in rack is previously set, when fan normal operation and when machine in-cabinet temperature is less than given threshold（I.e.
Two when meeting simultaneously）, perform step 3.1）：Refrigerating module exports logic high by MCU to vehicle-mounted ATP subsystem, whole
Individual ATC subsystems normal work, MCU control fan continuous running by fan operating control circuit, reduce machine in-cabinet temperature；
When fan abnormal running or machine in-cabinet temperature are more than given threshold（When meeting one of which）, perform step
3.2）：Refrigerating module exports logic low by MCU to vehicle-mounted ATP subsystem, and MCU is controlled by fan operating control circuit
Fan shuts down, and performs step 2.2）, i.e. externally alarm, export low level, cut-out vehicle power power supply.
Claims (4)
1. a kind of monitor fan coolling module, including power module, fan for what subway was downloaded from autocontrol system rack,
It is characterized in that：The signal output part that fan coolling module can be monitored is connected with the signal input part of vehicle-mounted ATP subsystem, power supply
Module includes the voltage changing module I being electrically connected with vehicle power output end, the change pressing mold being electrically connected with voltage changing module I output ends
Block II, the signal output part of vehicle-mounted ATP subsystem are electrically connected between vehicle power and voltage changing module I；Voltage changing module I's is defeated
Go out end and the power input of fan is electrically connected with, voltage changing module II power output end and MCU power input electrically connect
Connect, MCU signal output part is electrically connected with the signal input part of fan operating control circuit and temperature sensor respectively, fan
The signal input part of the signal output part and fan that operate control circuit is electrically connected with, the signal output part and feedback circuit of fan
Signal input part be electrically connected with, the signal output part of feedback circuit with and temperature sensor signal output part and MCU
Signal input part is electrically connected with.
2. according to claim 1 monitor fan coolling module for what subway was downloaded from autocontrol system rack, its
It is characterised by：The feedback circuit exports square wave to MCU.
3. according to claim 1 or 2 monitor fan coolling module for what subway was downloaded from autocontrol system rack,
It is characterized in that：It is electrically connected between the MCU and temperature sensor by 12C buses.
4. one kind is using the method that fan coolling module monitors cabinet temperature can be monitored described in claim 1 ~ 3, it is characterised in that
Comprise the following steps：
Step 1）, by vehicle power to electric on rack, each subsystem self-test in ATC system, and self-detection result is sent to
Vehicle-mounted ATP subsystem；
Step 2）, when each subsystem self-test all by when, perform step 2.1）；When each subsystem self-test have not by when, hold
Row step 2.2）；
Step 2.1）, vehicle-mounted ATP subsystem controls, which export high level, makes voltage changing module I be connected with vehicle power；
Step 2.2）, ATP alarms and controls output low level to disconnect voltage changing module I and vehicle power；
Step 3）, MCU controls fan running by fan operating control circuit, and fan square wave frequency and will be accounted for by feedback circuit
The signal of empty ratio is sent to MCU, and monitors the temperature in rack in real time by temperature sensor；When fan normal operation and machine
When in-cabinet temperature is less than given threshold, step 3.1 is performed）；When fan abnormal running or machine in-cabinet temperature are more than given threshold
When, perform step 3.2）；
Step 3.1）, refrigerating module exports logic high by MCU to vehicle-mounted ATP subsystem, and MCU controlled by fan running
Circuit controls fan continuous running；
Step 3.2）, refrigerating module exports logic low by MCU to vehicle-mounted ATP subsystem, and MCU controlled by fan running
Circuit control fan shuts down, and performs step 2.2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710834666.0A CN107484396A (en) | 2017-09-15 | 2017-09-15 | Fan coolling module is monitored for what subway was downloaded from autocontrol system rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710834666.0A CN107484396A (en) | 2017-09-15 | 2017-09-15 | Fan coolling module is monitored for what subway was downloaded from autocontrol system rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107484396A true CN107484396A (en) | 2017-12-15 |
Family
ID=60584120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710834666.0A Pending CN107484396A (en) | 2017-09-15 | 2017-09-15 | Fan coolling module is monitored for what subway was downloaded from autocontrol system rack |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307388A (en) * | 1999-10-21 | 2001-08-08 | 神基科技股份有限公司 | Fan protector |
| CN201953698U (en) * | 2010-12-28 | 2011-08-31 | 武汉烽火网络有限责任公司 | Automatic rotating speed control system for multi-path fan of rack-mounted equipment |
| CN204190665U (en) * | 2014-10-30 | 2015-03-04 | 深圳市佳晨科技有限公司 | A kind of rotation speed of the fan intelligent regulating system |
| CN105259949A (en) * | 2015-10-28 | 2016-01-20 | 哈尔滨朗昇电气股份有限公司 | Low voltage distribution switchgear temperature control system and control method |
| CN206877176U (en) * | 2017-07-20 | 2018-01-12 | 沈阳铁路信号有限责任公司 | It is a kind of to monitor fan coolling module for the vehicle-mounted ATC system rack of subway |
-
2017
- 2017-09-15 CN CN201710834666.0A patent/CN107484396A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307388A (en) * | 1999-10-21 | 2001-08-08 | 神基科技股份有限公司 | Fan protector |
| CN201953698U (en) * | 2010-12-28 | 2011-08-31 | 武汉烽火网络有限责任公司 | Automatic rotating speed control system for multi-path fan of rack-mounted equipment |
| CN204190665U (en) * | 2014-10-30 | 2015-03-04 | 深圳市佳晨科技有限公司 | A kind of rotation speed of the fan intelligent regulating system |
| CN105259949A (en) * | 2015-10-28 | 2016-01-20 | 哈尔滨朗昇电气股份有限公司 | Low voltage distribution switchgear temperature control system and control method |
| CN206877176U (en) * | 2017-07-20 | 2018-01-12 | 沈阳铁路信号有限责任公司 | It is a kind of to monitor fan coolling module for the vehicle-mounted ATC system rack of subway |
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