CN205769260U - A kind of auxiliary braking system for the empty switching valve of numeral electricity - Google Patents
A kind of auxiliary braking system for the empty switching valve of numeral electricity Download PDFInfo
- Publication number
- CN205769260U CN205769260U CN201620754594.XU CN201620754594U CN205769260U CN 205769260 U CN205769260 U CN 205769260U CN 201620754594 U CN201620754594 U CN 201620754594U CN 205769260 U CN205769260 U CN 205769260U
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- China
- Prior art keywords
- switching valve
- auxiliary braking
- valve
- numeral electricity
- electricity
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Abstract
The utility model discloses a kind of auxiliary braking system for the empty switching valve of numeral electricity, including driver's brake monitor and instruction modular converter, also include auxiliary braking electric control module, auxiliary braking gas path module, relay valve and checking cylinder, described auxiliary braking gas path module includes the empty switching valve of numeral electricity, described driver's brake monitor, instruction modular converter, connected mode between auxiliary braking electric control module and numeral electricity sky switching valve is electrical connection, the described empty switching valve of numeral electricity is connected with described relay valve gas circuit, described relay valve is connected with described checking cylinder gas circuit；This utility model uses independent auxiliary braking electric control module and the independent empty switching valve of numeral electricity, the driving signal of the empty switching valve of numeral electricity is produced by auxiliary braking electric control module, unrelated with the normal control loop of brakes, it is applicable to the empty switching valve of numeral electricity, subject range is wider, simple in construction, price is low.
Description
Technical field
This utility model relates to Braking System for Multiple Units field of electrical control, particularly relates to a kind of idle running for numeral electricity and changes
The auxiliary braking system of valve.
Background technology
Brakes, as one of EMUs critical system, plays and ensures train normal operation and ensure the weight of passenger safety
Act on.The redundancy design of brakes is one of important indicator of train safe.For ensureing the redundancy of brakes, one
As all can increase auxiliary braking system, can not use due to fault when train instruction system or braking control system, Jiu Huiqi
Use auxiliary braking system.
Current domestic EMUs auxiliary braking system mainly has two kinds of implementations, and a kind of is to use independent electrical command
And control loop, it is not necessary to through electronic brake control unit, directly output controls the empty switching valve of electricity of electric current extremely simulation, is used for controlling
The applying of gas processed braking and alleviation；Another is to use independent self-action air brake valve, independent air pipe line pass
Defeated braking instruction.First kind of way simple in construction, but the empty switching valve of electricity being only used for simulation, common CRH2 series motor-car
What group used is exactly which；The second way is applied widely, can be used for the brakes of various vehicle, but structure comparison
Complexity, relatively costly, what common CRH3, CRH5 series EMUs used is exactly which.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of for numeral for above-mentioned the deficiencies in the prior art
The auxiliary braking system of the empty switching valve of electricity, this uses independent auxiliary braking for the auxiliary braking system of the empty switching valve of numeral electricity
Electric control module and the independent empty switching valve of numeral electricity, the driving signal of the empty switching valve of numeral electricity is by auxiliary braking electrical control
Module produces, unrelated with the normal control loop of brakes, it is adaptable to the empty switching valve of numeral electricity, subject range is wider.
For realizing above-mentioned technical purpose, the technical scheme that this utility model is taked is:
A kind of auxiliary braking system for the empty switching valve of numeral electricity, including driver's brake monitor and instruction modulus of conversion
Block, also includes auxiliary braking electric control module, auxiliary braking gas path module, relay valve and checking cylinder, described auxiliary braking gas
Road module includes the empty switching valve of numeral electricity, described driver's brake monitor, instruction modular converter, auxiliary braking electric control module
With the connected mode between numeral electricity sky switching valve is electrical connection, the described empty switching valve of numeral electricity is with described relay valve gas circuit even
Connecing, described relay valve is connected with described checking cylinder gas circuit；
Described driver's brake monitor is used for detecting the extraneous thrust self being subject to and sending analogue signal changing to instruction
Module, described instruction modular converter is concurrent for the analogue signal that described driver's brake monitor sends is converted to digital signal
The number of delivering letters gives auxiliary braking electric control module, and described auxiliary braking electric control module is used for receiving described instruction modular converter
The concurrent power transmission of signal sent instructs the empty switching valve of numeral electricity；The described empty switching valve of numeral electricity is for according to described auxiliary braking
The air pressure of the total reservoir from vehicle is converted to the air corresponding with electricity instruction by the electricity instruction that electric control module sends
Pressure；Described relay valve is for receiving the air pressure of numeral electricity empty switching valve output and exporting brake cylinder air pressure to described
Checking cylinder, described checking cylinder is for being braked vehicle.
The technical scheme improved further as this utility model, described auxiliary braking gas path module also includes blocking plug
Door, described cutout cock is connected with numeral electricity sky switching valve, and described cutout cock is for blocking or turn on the total wind from vehicle
The path of the air pressure of cylinder.
The technical scheme improved further as this utility model, described auxiliary braking gas path module also includes air relief valve,
The described empty switching valve of numeral electricity is connected with described relay valve by air relief valve, and described air relief valve is used for receiving the empty switching valve of numeral electricity
The air pressure exported the air pressure size limiting self output, described relay valve is for receiving the air of air relief valve output
Pressure.
The technical scheme improved further as this utility model, described auxiliary braking gas path module also includes that test connects
Head, described test splice is connected with described air relief valve, and described test splice is for detecting the air pressure of described air relief valve output.
The technical scheme improved further as this utility model, described instruction modular converter is analog-digital converter.
This utility model is used for EMUs, uses independent auxiliary braking electric control module and independent numeral electricity idle running
Changing valve, the empty switching valve of numeral electricity receives the electricity instruction of auxiliary braking electric control module, is equivalent to driving of the numeral empty switching valve of electricity
Dynamic signal is produced by auxiliary braking electric control module, unrelated with the normal control loop of brakes, it is adaptable to numeral electricity is empty
Switching valve, subject range is wider, and this utility model is relatively simple for structure, and cost also ratio is relatively low；Of the present utility model block
Cock can effectively block the path of the air pressure of the total reservoir from vehicle, facilitates user to change or keeps in repair numeral electricity idle running
Change valve；Air relief valve of the present utility model effectively limits the air pressure size of self output, has prevented due to numeral electricity idle running
Change valve fault and cause the excessive brake clamp ultimately resulting in vehicle self of air pressure of numeral electricity empty switching valve output to damage；
Test splice of the present utility model facilitates user and the air pressure that air relief valve exports is overhauled and debugged.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present utility model.
Detailed description of the invention
Below according to Fig. 1 detailed description of the invention of the present utility model made and further illustrating:
The present embodiment is separately positioned on the head car at the two ends of EMUs, performs the action of auxiliary braking, referring specifically to figure
1:
A kind of auxiliary braking system for the empty switching valve of numeral electricity, including driver's brake monitor and instruction modulus of conversion
Block, also includes auxiliary braking electric control module, auxiliary braking gas path module, relay valve and checking cylinder, described auxiliary braking gas
Road module includes the empty switching valve of numeral electricity, described driver's brake monitor, instruction modular converter, auxiliary braking electric control module
With the connected mode between numeral electricity sky switching valve is electrical connection, the described empty switching valve of numeral electricity is with described relay valve gas circuit even
Connecing, described relay valve is connected with described checking cylinder gas circuit；Described driver's brake monitor is used for detecting self by extraneous thrust
And send analogue signal to instruction modular converter, described instruction modular converter for by described driver's brake monitor send mould
Intend signal be converted to digital signal and send a signal to auxiliary braking electric control module, described auxiliary braking electric control module
The concurrent power transmission of signal sent for receiving described instruction modular converter instructs the empty switching valve of numeral electricity；Described numeral electricity idle running
Change valve to instruct the air pressure of the total reservoir from vehicle for the electricity sent according to described auxiliary braking electric control module
Be converted to the air pressure corresponding with electricity instruction；Described relay valve is for receiving the air pressure of numeral electricity empty switching valve output also
Output brake cylinder air pressure is to described checking cylinder, and described checking cylinder is for being braked vehicle.
In the present embodiment, described auxiliary braking gas path module also includes cutout cock, and described cutout cock is empty with numeral electricity
Switching valve connects, and described cutout cock is for blocking or turn on the path of the air pressure of the total reservoir from vehicle.
In the present embodiment, described auxiliary braking gas path module also includes air relief valve, and the described empty switching valve of numeral electricity is by subtracting
Pressure valve is connected with described relay valve, and described air relief valve is for receiving the air pressure of numeral electricity empty switching valve output and limiting self
The air pressure size of output, described relay valve is for receiving the air pressure of air relief valve output.
In the present embodiment, described auxiliary braking gas path module also includes test splice, described test splice and described decompression
Valve connects, and described test splice is for detecting the air pressure of described air relief valve output.
In the present embodiment, described instruction modular converter is analog-digital converter.
Operation principle of the present utility model is: when the disconnection of braking instruction circuit, electronic brake control unit occur in EMUs
During the faults such as exception, needing to play the effect of auxiliary braking by activating the present embodiment, driver's brake monitor includes handle,
The handle of driver's brake monitor is shifted onto certain level by driver, and driver's brake monitor just sends corresponding dummy instruction signal
The analogue signal that driver's brake monitor sends is converted to digital command signal also to instruction modular converter, instruction modular converter
Sending a signal to auxiliary braking electric control module, auxiliary braking electric control module receives the signal that instruction modular converter sends
Concurrent power transmission instructs the empty switching valve of numeral electricity；The empty switching valve of numeral electricity receives the electricity of auxiliary braking electric control module transmission and refers to
Order the electricity instruction sent according to auxiliary braking electric control module the air pressure of the total reservoir from vehicle is converted to
The air pressure that electricity instruction is corresponding, such as auxiliary braking electric control module is sent as the electrical command letter corresponding with 0.25MPa
Number, then the air pressure of the total reservoir from vehicle is converted to 0.25MPa by the empty switching valve of numeral electricity, and the empty switching valve of numeral electricity is defeated
Go out air pressure to air relief valve；Air relief valve receives the air pressure of numeral electricity empty switching valve output and limits the air of self output
Pressure size, thus prevent the air pressure causing the empty switching valve of numeral electricity to export due to the electric empty switching valve fault of numeral excessive
Thus ultimately resulting in the generation of the phenomenon of the brake clamp damage of vehicle self, such as auxiliary braking electric control module is sent as
The electrical command signal corresponding with 0.25MPa, when the empty switching valve of numeral electricity breaks down, the empty switching valve of numeral electricity will be from car
The air pressure of total reservoir be converted to the air pressure more than 0.25MPa, if the air relief valve of user's regulation limits pressure
Size be 0.25MPa, then air relief valve receives the air pressure more than 0.25MPa of numeral electricity empty switching valve output and will be greater than
The air pressure of 0.25MPa is converted to the air pressure of 0.25MPa, and air relief valve prevents due to the empty switching valve fault of numeral electricity
The air pressure causing the empty switching valve output of numeral electricity is excessive so that the pressure of relay valve and checking cylinder output is excessive finally leads
Cause the phenomenon that the brake clamp of vehicle self damages；Air relief valve delivery air pressure is to relay valve, and it is defeated that relay valve receives air relief valve
The air pressure that goes out also exports the i.e. BC pressure of the air pressure required for checking cylinder to checking cylinder, and checking cylinder is to vehicle system
Dynamic.Cutout cock in the present embodiment is connected with numeral electricity sky switching valve, and cutout cock is for blocking or turning on from vehicle
The path of the air pressure of total reservoir, when user needs to change or the empty switching valve of maintenance numeral electricity, needs to be cut by cutout cock
The path of the air pressure of disconnected total reservoir from vehicle, makes the empty switching valve of numeral electricity not receive the total reservoir from vehicle
Air pressure, facilitates user to change or keeps in repair, and when user needs to use the present embodiment, turns on from car also by cutout cock
The path of air pressure of total reservoir, make the empty switching valve of numeral electricity can receive the air pressure of the total reservoir from vehicle
Power；Test splice is also connected with air relief valve, and user can facilitate user by the air pressure of test splice detection air relief valve output
The air pressure of air relief valve output is overhauled and debugged.
Protection domain of the present utility model includes but not limited to embodiment of above, and protection domain of the present utility model is with power
Profit claim is as the criterion, and replacement that any those skilled in the art making this technology is readily apparent that, deforms, improves and each fall within
Protection domain of the present utility model.
Claims (5)
1. for an auxiliary braking system for the empty switching valve of numeral electricity, including driver's brake monitor and instruction modular converter,
It is characterized in that: also include auxiliary braking electric control module, auxiliary braking gas path module, relay valve and checking cylinder, described auxiliary
Helping braking gas path module to include the empty switching valve of numeral electricity, described driver's brake monitor, instruction modular converter, auxiliary braking are electric
Connected mode between control module and numeral electricity sky switching valve is electrical connection, the described empty switching valve of numeral electricity and described relay valve
Gas circuit connects, and described relay valve is connected with described checking cylinder gas circuit；
Described driver's brake monitor for detect the extraneous thrust self being subject to and send analogue signal to instruction modular converter,
Described instruction modular converter is concurrently delivered letters for the analogue signal that described driver's brake monitor sends is converted to digital signal
Number giving auxiliary braking electric control module, described auxiliary braking electric control module is used for receiving described instruction modular converter and sends
The concurrent power transmission of signal instruct the numeral empty switching valve of electricity；The described empty switching valve of numeral electricity is for electric according to described auxiliary braking
The air pressure of the total reservoir from vehicle is converted to the air pressure corresponding with electricity instruction by the electricity instruction that control module sends；
Described relay valve is for receiving the air pressure of numeral electricity empty switching valve output and exporting brake cylinder air pressure to described braking
Cylinder, described checking cylinder is for being braked vehicle.
Auxiliary braking system for the empty switching valve of numeral electricity the most according to claim 1, it is characterised in that: described auxiliary
Braking gas path module also includes that cutout cock, described cutout cock are connected with numeral electricity sky switching valve, and described cutout cock is used for
Block or turn on the path of the air pressure of the total reservoir from vehicle.
Auxiliary braking system for the empty switching valve of numeral electricity the most according to claim 2, it is characterised in that: described auxiliary
Braking gas path module also includes air relief valve, and the described empty switching valve of numeral electricity is connected with described relay valve by air relief valve, described in subtract
Pressure valve is for receiving the air pressure that the empty switching valve of numeral electricity exports the air pressure size limiting self output, described relaying
Valve is for receiving the air pressure of air relief valve output.
Auxiliary braking system for the empty switching valve of numeral electricity the most according to claim 3, it is characterised in that: described auxiliary
Braking gas path module also includes that test splice, described test splice are connected with described air relief valve, and described test splice is used for detecting
The air pressure of described air relief valve output.
Auxiliary braking system for the empty switching valve of numeral electricity the most according to claim 1, it is characterised in that: described instruction
Modular converter is analog-digital converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620754594.XU CN205769260U (en) | 2016-07-18 | 2016-07-18 | A kind of auxiliary braking system for the empty switching valve of numeral electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620754594.XU CN205769260U (en) | 2016-07-18 | 2016-07-18 | A kind of auxiliary braking system for the empty switching valve of numeral electricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205769260U true CN205769260U (en) | 2016-12-07 |
Family
ID=58122369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620754594.XU Expired - Fee Related CN205769260U (en) | 2016-07-18 | 2016-07-18 | A kind of auxiliary braking system for the empty switching valve of numeral electricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205769260U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504100A (en) * | 2017-09-22 | 2017-12-22 | 中车唐山机车车辆有限公司 | Cutout cock, brake piping assembly and rail vehicle using the cutout cock |
| CN110116737A (en) * | 2019-06-05 | 2019-08-13 | 湖南中车时代通信信号有限公司 | A kind of control device and method of locomotive automatic braking |
-
2016
- 2016-07-18 CN CN201620754594.XU patent/CN205769260U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504100A (en) * | 2017-09-22 | 2017-12-22 | 中车唐山机车车辆有限公司 | Cutout cock, brake piping assembly and rail vehicle using the cutout cock |
| CN107504100B (en) * | 2017-09-22 | 2019-08-20 | 中车唐山机车车辆有限公司 | Cutout cock, brake piping assembly and rail vehicle using the cutout cock |
| CN110116737A (en) * | 2019-06-05 | 2019-08-13 | 湖南中车时代通信信号有限公司 | A kind of control device and method of locomotive automatic braking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161207 Termination date: 20170718 |