CN208646838U - A kind of low pressure warning device of locomotive - Google Patents
A kind of low pressure warning device of locomotive Download PDFInfo
- Publication number
- CN208646838U CN208646838U CN201820989643.7U CN201820989643U CN208646838U CN 208646838 U CN208646838 U CN 208646838U CN 201820989643 U CN201820989643 U CN 201820989643U CN 208646838 U CN208646838 U CN 208646838U
- Authority
- CN
- China
- Prior art keywords
- locomotive
- pressure
- pressure transmitter
- processing module
- control processing
- 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.)
- Expired - Fee Related
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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model discloses a kind of low pressure warning devices of locomotive, including control box and it is fixedly installed in its external panel, it controls and is equipped with control processing module in box, control processing module is connected with voice module and power amplifier module, panel is equipped with power supply indicator, alarm lamp and buzzer, control processing module is connected by pressure transmitter aviation socket with the output end of pressure transmitter, and the input terminal of pressure transmitter is connected with locomotive blast main road.It can control alarm according to preset alarming threshold value by this programme pressure transmitter real-time monitoring locomotive blast main pressure and timely sound an alarm, realize the real-time monitoring to the low wind pressure of locomotive.
Description
Technical field
The utility model belongs to locomotive wind pressure detection device technical field, and in particular to a kind of low wind pressure alarm dress of locomotive
It sets.
Background technique
If electric locomotive lacks effective monitoring management for air duct, driver will be unable to know that vehicle uses wind shape in real time
State, if vehicle air feed piping blast consumption, which increases, can not take timely measure again, it is too fast to may cause the variation overfrequency of total wind pressure, gives
Driving brings security risk.It is too low that total wind wind pressure once has occurred in operation, it will cause blast main to depressurize, cause operation way
The accidents such as middle parking.
The braking of train is to generate brake force by the compressed air that locomotive main air reservoir provides, and pressure is lower than normal in blast main
When setting value, air compressor of locomotive starting is blast main injection pressure air.If since various failure causes cause locomotive pneumatics
Machine cannot work, and blast main pressure persistently reduces, and cannot fill wind for train, will result in train braking failure.Locomotive is being run
In, when the total wind pressure of locomotive brake gear is lower than specified value, crew such as fails in time because of loud and clear prestige, processing locomotive failure and other reasons
It takes measures, locomotive brake gear will automatic failure.Less serious case's train generate spontaneous braking, severe one can occur train advance rashly emerge,
The serious driving accident such as runaway brings great harm to safety in production.In addition, to the system in each section compartment of running locomotive
Dynamic wind pressure is also not yet able to achieve real-time monitoring at present, the security risk being also present in the current railway system.It is based on
This, is capable of the operating status of real-time monitoring locomotive air source system, when detecting that air supply system is operating abnormally, can judge in time
The position of failure, then warning reminding driver handles and records significant.
Utility model content
The purpose of the utility model is to provide a kind of low pressure warning devices of locomotive, solve the change of locomotive blast main road pressure
The problem of changing monitoring and alarm not in time.
A technical solution used by the utility model is, a kind of low pressure warning device of locomotive, including control box and
It is fixedly installed in its external panel, control processing module is equipped in the control box, control processing module is connected with voice mould
Block and power amplifier module, the panel are equipped with power supply indicator, alarm lamp and buzzer and handle respectively with the control
Module connects, and pressure transmitter aviation socket and power supply aviation socket, the control processing are additionally provided on the side wall of the panel
Module is connected by the pressure transmitter aviation socket with the output end of pressure transmitter, the input terminal of the pressure transmitter
It is connected with locomotive blast main road.
The characteristics of this programme, also resides in:
Further, the panel is additionally provided with touch display screen, and touch display screen handles mould by port and the control
Block is connected, and touch display screen can preset the pressure alarm threshold value on locomotive blast main road.
Further, CPU built in the control processing module, is encoded using Lineside encoding unit.
Further, the built-in speech chip for being equipped with single-chip microcontroller kernel of the voice module.
Further, the low pressure warning device of the locomotive is installed on the described of each compartment by the pressure transmitter
Locomotive blast main road.
Further, packet is equipped with made of metal shielding box, the pressure transmitter and the gold outside the pressure transmitter
Belong to and is lined with insulating cell between shielding box processed.
The utility model has the beneficial effects that by pressure transmitter real-time monitoring locomotive blast main pressure, according to default
Alarm threshold value, alarm can be controlled and timely sounded an alarm, realized to the real-time monitoring of the low wind pressure of locomotive；Monitoring quickly,
In time, the safety for accurately, improving railway transportation effectively prevent train way to stop and the generation of accident；Good reliability, operation letter
It is single, convenient for safeguarding.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the low pressure warning device of locomotive of the utility model；
Fig. 2 is a kind of working principle diagram of the low pressure warning device of locomotive of the utility model.
In figure, 1. control boxes, 2. panels, 3. power supply indicators, 4. alarm lamps, 5. buzzers, 6. control processing moulds
Block, 7. pressure transmitter aviation sockets, 8. power modules, 9. power supply aviation sockets, 10. pressure transmitters, the total wind of 11. locomotives
Pipeline, 12. valves, 13. locomotive 110V power supplys, 14. made of metal shielding boxs, 15. voice modules, 16. power amplifier modules, 17. power supplys
Switch, 18. touch display screens.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description, but the utility model and unlimited
In these modes.
A kind of low pressure warning device of locomotive of the utility model, as depicted in figs. 1 and 2, including control box 1 and fixed installation
In its external panel 2, panel 2 is equipped with power supply indicator 3, alarm lamp 4 and buzzer 5, alarm lamp 3, alarm
Indicator light 4 and buzzer 5 are connected with the connector in the control processing module 6 in control box 1 respectively.Control processing module 6
It is connected with pressure transmitter aviation socket 7 by port, pressure transmitter aviation socket 7 is set on the side wall of panel 2,
Control processing module 6 is used to control the transmission of pressure transmitter and data.CPU built in processing module 6 is controlled, using electronic code
It is encoded, selects GST-LD-8303 type.
Control processing module 6 is also connected with voice module 15 and power amplifier module 16 by card slot, as shown in Fig. 2, voice
Module 15 is the speech chip that a N588D has single-chip microcontroller kernel；Power amplifier module 16 is digital power amplifier module, including switch electricity
Source and digital power amplifier two parts, the main function of switching power supply parts are direct currents needed for converting alternating current to power amplifier and mention
For enough electric currents, power amplifier part mainly completes the amplification to audio signal, and provides the defencive function of the load of power amplifier itself.
Input power is first through two-stage second order filter, isolation module internal and external interference；DC/DC converter exports various low needed for power amplifier
Straightening galvanic electricity, and realize isolation.
Power supply aviation socket 9 and power switch 17 are additionally provided on the side wall of panel 2, power supply aviation socket 9 passes through power supply line
It is connected with 13 terminal block of locomotive 110V power supply, locomotive 110V power supply 13 provides power supply for warning device, which is additionally provided with simultaneously
Power module 8, power module 8 are a kind of battery 110V power supply, and battery is set to by control box 1, battery 110V direct current
System is incorporated to after isolated from power as needed and passes through DC-DC conversion and switch voltage-stabilizing circuit, various differences needed for generation system etc.
Voltage 24V, 12V, 5V or 3.3V of grade, are powered to modules, circuit and sensor.Power safety protection is designed, is used
In low pressure warning device external power supply and internal control circuit, to low when exceeding prescribed limit because of supply voltage failure or voltage
The protection of pressure warning device.
Pressure transmitter aviation socket 7 is connected by coaxial shielding signal wire with the signal output end of pressure transmitter 10,
Coaxial shielding signal wire both ends are equipped with the aviation plug to match with above-mentioned pressure transmitter aviation socket 7 and pressure transmitter 10
To be connected thereto respectively, the input terminal of pressure transmitter 10 is connected by pipeline with locomotive blast main road 11, is become close to pressure
It send and valve 12 is installed on the pipeline of device 10, on-off of the valve 12 to control air hose is a kind of shut-off valve.The low wind of the locomotive
Pressure warning device is installed on the locomotive blast main road 11 of each compartment by pressure transmitter 10, is wrapped outside pressure transmitter 10
Equipped with made of metal shielding box 14, insulating cell is lined between pressure transmitter 10 and made of metal shielding box.
Panel 2 is additionally provided with touch display screen 18, and touch display screen 18 is connected by port with control processing module 6.It touches
Display screen 18 can be preset according to alarm threshold value of the locomotive operation demand to locomotive blast main road pressure and can be with real-time display
Locomotive blast main road pressure, alarm threshold value are to be set according to wind pressure when locomotive operation lower than normal wind pressure, usual alarm threshold value
It is set as 690-700KPa.When locomotive blast main road pressure is lower than 690-700KPa, red refers on device control box panel
Show that lamp starts to flash, at the same buzzer issue it is uninterrupted " dichloro-diphenyl-dichlorothane " alarm, prompt department control personnel check locomotive wind in time
The failures such as source system, wind regime control circuit exclude locomotive braking system failure, and adopt an effective measure guarantee motorcycle safety in time
Traveling；When wind pressure is higher than 700KPa, system can automatic stop alarm.
The working principle of the program be by locomotive blast main road be equipped with pressure transmitter, locomotive blast main road
Locomotive wind pressure is connected to by valve with pressure transmitter, and the data acquisition that pressure transmitter carries out wind pressure is transferred to control processing again
Module realizes low wind pressure alarm according to the preset alarm threshold value of control processing module.
It can be controlled by this programme pressure transmitter real-time monitoring locomotive blast main pressure according to preset alarm threshold value
Alarm processed timely sounds an alarm, and realizes the real-time monitoring to the low wind pressure of locomotive.
Claims (4)
1. the low pressure warning device of a kind of locomotive, including control box (1) and the panel (2) being fixedly installed in outside its, feature
It is, control processing module (6) is equipped in the control box (1), and control processing module (6) is connected with voice module (15) and function
Amplification module (16), the panel (2) be equipped with power supply indicator (3), alarm lamp (4) and buzzer (5) and respectively with institute
Control processing module (6) connection is stated, pressure transmitter aviation socket (7) and power supply boat are additionally provided on the side wall of the panel (2)
Dummy receptacle (9), control processing module (6) pass through the pressure transmitter aviation socket (7) and pressure transmitter (10)
Output end is connected, and the input terminal of the pressure transmitter (10) is connected with locomotive blast main road (11).
2. a kind of low pressure warning device of locomotive according to claim 1, which is characterized in that the panel (2) is additionally provided with
Touch display screen (18), touch display screen (18) are connected by port with the control processing module (6).
3. a kind of low pressure warning device of locomotive according to claim 1, which is characterized in that locomotive blast main road
(11) valve (12) are equipped on the pipeline close to the pressure transmitter (10) one end.
4. the low pressure warning device of a kind of locomotive according to claim 1 to 3, which is characterized in that the pressure
Packet is equipped with made of metal shielding box (14), the pressure transmitter (10) and the made of metal shielding box (14) outside transmitter (10)
Between be lined with insulating cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820989643.7U CN208646838U (en) | 2018-06-26 | 2018-06-26 | A kind of low pressure warning device of locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820989643.7U CN208646838U (en) | 2018-06-26 | 2018-06-26 | A kind of low pressure warning device of locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208646838U true CN208646838U (en) | 2019-03-26 |
Family
ID=65782088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820989643.7U Expired - Fee Related CN208646838U (en) | 2018-06-26 | 2018-06-26 | A kind of low pressure warning device of locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208646838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082689A (en) * | 2020-09-18 | 2020-12-15 | 北京世纪东方通讯设备有限公司 | Wind pressure monitoring system and wind pressure monitoring method |
-
2018
- 2018-06-26 CN CN201820989643.7U patent/CN208646838U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082689A (en) * | 2020-09-18 | 2020-12-15 | 北京世纪东方通讯设备有限公司 | Wind pressure monitoring system and wind pressure monitoring method |
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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: 20190326 Termination date: 20200626 |