CN208411743U - A kind of auxiliary braking control device for magnetic-levitation train - Google Patents
A kind of auxiliary braking control device for magnetic-levitation train Download PDFInfo
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- CN208411743U CN208411743U CN201821091701.0U CN201821091701U CN208411743U CN 208411743 U CN208411743 U CN 208411743U CN 201821091701 U CN201821091701 U CN 201821091701U CN 208411743 U CN208411743 U CN 208411743U
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Abstract
The utility model discloses a kind of auxiliary braking control devices for magnetic-levitation train, including electronic control part: air compressor machine start and stop pressure switch, total wind pressure switch, total wind pressure force snesor peace valve outlet side pressure force snesor；Gas circuit control section: total wind cock one, total wind filter, total wind pressure test splice, check valve, air spring end pressure regulator valve, air spring end test splice, total wind cock two, Pneumatic valve end pressure regulator valve, Pneumatic valve end test splice, Pneumatic valve, average valve outlet end test splice and average valve.The utility model is provided with average valve, provides prerequisite for pilot-operated type Air pressure control release valve is arranged in hydraulic braking control unit, and then guarantee that Emergency Negative Thrust can be corresponding with car load, avoids emergency braking deceleration excessive；Design has emergency braking stand-by protection circuit, and when empty spring pressure sharply declines, the pressure that also can guarantee that pilot-operated type Air pressure control release valve is exported in emergency braking meets demand braking force.
Description
Technical field
The utility model relates to magnetic-levitation train braking system technical field more particularly to a kind of auxiliary for magnetic-levitation train
Brake control.
Background technique
Without average valve setting in auxiliary braking control unit, so that the pressure reducing valve in hydraulic braking control unit can not just be adopted
With pilot-operated type Air pressure control release valve.In emergency braking, brake force be full load condition under setting value, not the variation of subsequent load and become
Change, brake force cannot be corresponding with car load.Under train undercapacity operating condition, when emergency braking, generates excessive deceleration, leads
Cause impact larger, comfort of passenger is poor, while causing centainly to damage to train.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of auxiliary braking for magnetic-levitation train
Control device.
The purpose of this utility model is achieved through the following technical solutions: a kind of auxiliary braking for magnetic-levitation train
Control device, including electronic control part and gas circuit control section；
Electronic control part include: air compressor machine start and stop pressure switch, total wind pressure switch, total wind pressure force snesor peace
Valve outlet side pressure force snesor；
Gas circuit control section includes: total wind cock one, total wind filter, total wind pressure test splice, check valve, air bullet
Spring end pressure regulator valve, air spring end test splice, total wind cock two, Pneumatic valve end pressure regulator valve, Pneumatic valve end test splice, gas control
Valve, average valve outlet end test splice and average valve；
Utility model device is connect for A mouthfuls by total wind air inlet with external blast main, and external blast main connects total wind regime.From
Total A mouthfuls of wind air inlet is divided into two gas circuit branches, is the first gas circuit branch and the second gas circuit branch respectively, and the first gas circuit branch road is set
Set total wind cock one, total wind filter, air compressor machine start and stop pressure switch, total wind pressure switch, total wind pressure force snesor, total wind pressure
Power test splice, check valve and air spring end pressure regulator valve；Gas circuit between air spring end pressure regulator valve and air spring is drawn
Air spring end test splice；
Second gas circuit branch road is arranged total wind cock two, Pneumatic valve end pressure regulator valve, Pneumatic valve, average valve outlet end pressure and passes
Sensor and average valve, gas circuit between Pneumatic valve and Pneumatic valve end pressure regulator valve draw Pneumatic valve end test splice, Pneumatic valve and flat
Gas circuit between equal valve draws average valve outlet end test splice；
Two input terminals of average valve are separately connected the feedback pressure mouth of air spring, from two groups of difference air springs
Feedback pressure air is connect by C mouthfuls and D mouthfuls with average two input terminals of valve；Pneumatic valve also connects with pilot-operated type Air pressure control release valve
It connects.
It is preferred that the output signal of average valve outlet side pressure force snesor is connect with electronic brake control unit.
It is preferred that total wind cock one realizes the making and truncation from the compressed air of blast main to air spring；
Impurity, greasy dirt and moisture in total wind filter filtering compressed air；
Air compressor machine start and stop pressure switch controls air compressor machine start and stop, when total wind pressure is opened lower than air compressor machine start and stop pressure
When closing the lower limit value of setting, air compressor machine starting, when total wind pressure is higher than when the upper limit value that air compressor machine start and stop pressure switch is set
Air compressor machine stops；
Total wind pressure switch is monitored to total wind pressure and is provided in real time alarm, when total wind pressure is opened lower than total wind pressure
When closing the lower limit value of setting, total wind alarm signal is provided to train, triggers emergency braking, opened when total wind pressure is higher than total wind pressure
When closing the upper limit value of setting, the emergency braking of triggering will be alleviated；
Total wind pressure force snesor is realized to blast main pressure monitoring；
Total wind pressure test splice tests blast main pressure for external pressure gauge；
Check valve realize compressed air can only one-way flow, cannot adverse current；
Air spring end pressure regulator valve adjusts the air pressure for arriving air spring suspension gas circuit, be allowed to export one it is stable,
Fixed pressure value；
Air spring end test splice tests the output pressure value of empty spring end pressure regulator valve for external pressure gauge；
Total wind cutout cock two is realized from blast main compressed air to the making and truncation at Pneumatic valve end；
The pressure regulation valve regulation of Pneumatic valve end is allowed to export a stable, fixed pressure to the air pressure at Pneumatic valve end
Value；
Output pressure value of the Pneumatic valve end test splice for external pressure gauge test Pneumatic valve end pressure regulator valve；
Pneumatic valve is the two-way choice valve with pressure set-point, and one end is passed through to be set by Pneumatic valve end pressure regulator valve
Pressure, one end is from the pressure after the averaged valve arithmetic average of air spring；When average valve output pressure is greater than its setting pressure
When power, Pneumatic valve is exported in real time from the pressure after the averaged valve arithmetic average of air spring；When average valve output pressure is less than it
When setting the lower limit value of pressure, gas control valve events, output passes through the reliable and stable setup pressure value of Pneumatic valve end pressure regulator valve；
Average valve outlet side pressure force snesor is monitored average valve output pressure value；
Average valve outlet end test splice tests average valve output pressure for external pressure gauge；
Average valve carries out arithmetic average to from air spring feedback pressure, exports reliable unique pressure value after average.
It is preferred that the connection of each component is realized by the circuit board, it is provided with air circuit connection hole on circuit board,
Each component is interconnected by opened hole.
A kind of control method of the auxiliary braking control device for magnetic-levitation train, compressed air enter auxiliary from blast main
Brake control, by A mouthfuls of air inlets of total wind air inlet, E mouthfuls of outlets are air spring suspension gas circuit gas supply；
From C mouthfuls and D mouthfuls of the averaged valve arithmetic average of air spring feedback pressure air, exported after average reliable unique
Pressure value.On the one hand, signal is transmitted to electronic brake control unit by pressure sensor, is used in service braking and fast braking
It is calculated in car load；On the other hand, it is provided to the pilot-operated type Air pressure control release valve in hydraulic braking control unit unique reliable
Pilot pressure；In emergency braking, it is allowed to control the variation that the pressure energy that pilot-operated type Air pressure control release valve exports follows car load
And change, to guarantee that brake force can be corresponding with car load；
Hydraulic braking is directly entered after the averaged valve arithmetic average of pressure fed back under normal circumstances from C, D mouthfuls of air spring
Pilot-operated type Air pressure control release valve in control unit controls it.The pressure fed back at this time from C, D mouthfuls of air spring is averaged
Enter pilot-operated type Air pressure control release valve through b → c → B after valve arithmetic average to control it；
The pressure value after pressure fed back from C, D mouthfuls of air spring averaged valve arithmetic average is lower than Pneumatic valve setting
When lower limit value, especially when air spring ruptures, when pressure sharply declines, Pneumatic valve acts immediately, exports a fixed pressure
To the pilot-operated type Air pressure control release valve in hydraulic braking control unit, the pressure for exporting pilot-operated type Air pressure control release valve is able to satisfy force value
Emergency braking demand braking force, to guarantee the validity of emergency braking；Pressure air enters guide through A → a → c → B at this time
Formula Air pressure control release valve controls it.
The beneficial effects of the utility model are: the utility model is provided with average valve, it is ensured that in hydraulic braking control unit
Pressure reducing valve can use pilot-operated type Air pressure control release valve.To guarantee that Emergency Negative Thrust can be corresponding with car load, avoid tight
Anxious braking deceleration is excessive, improves passenger comfort；
Simultaneously be also devised with emergency braking stand-by protection circuit (A → a → c → B), when air spring pressure drastically reduce to
Lower than Pneumatic valve lower limit value when (usually air spring rupture), Pneumatic valve acts immediately, export a fixed pressure value
To the pilot-operated type Air pressure control release valve in hydraulic braking control unit, the pressure for exporting the valve in emergency braking meets brake force
Demand, to guarantee the validity of emergency braking.
Detailed description of the invention
Fig. 1 is the utility model principle schematic diagram；
In figure, the total wind cock one of 1-, the total wind filter of 2-, 3- air compressor machine start and stop pressure switch, the total wind pressure switch of 4-, 5-
Total wind pressure force snesor, the total wind pressure test splice of 6-, 7- check valve, 8- air spring end pressure regulator valve, 9- air spring end are surveyed
It tries head, the total wind cock two of 10-, 11- Pneumatic valve end pressure regulator valve, 12- Pneumatic valve end test splice, 13- Pneumatic valve, 14- is average
Valve outlet side pressure force snesor, 15- are averaged valve outlet end test splice, and 16- is averaged valve.
Specific embodiment
The technical solution of the utility model, but the protection scope of the utility model are described in further detail with reference to the accompanying drawing
It is not limited to as described below.
As shown in Figure 1, a kind of auxiliary braking control device for magnetic-levitation train, including electronic control part and gas circuit control
Part processed；
Electronic control part includes: air compressor machine start and stop pressure switch 3, total wind pressure switch 4, total 5 and of wind pressure force snesor
Average valve outlet side pressure force snesor 14；
Gas circuit control section includes: total wind cock 1, total wind filter 2, total wind pressure test splice 6, check valve 7, sky
Gas spring end pressure regulator valve 8, air spring end test splice 9, total wind cock 2 10, Pneumatic valve end pressure regulator valve 11, Pneumatic valve end are surveyed
It tries first 12, Pneumatic valve 13, average valve outlet end test splice 15 and average valve 16；
Utility model device is connect for A mouthfuls by total wind air inlet with external blast main, and external blast main connects total wind regime.From
Total A mouthfuls of wind air inlet is divided into two gas circuit branches, is the first gas circuit branch and the second gas circuit branch respectively, and the first gas circuit branch road is set
Set total wind cock 1, total wind filter 2, air compressor machine start and stop pressure switch 3, total wind pressure switch 4, total wind pressure force snesor 5,
Total wind pressure test splice 6, check valve 7 and air spring end pressure regulator valve 8；Between air spring end pressure regulator valve 8 and air spring
Gas circuit air bleed spring terminal test splice 9；
Total wind cock 2 10, Pneumatic valve end pressure regulator valve 11, Pneumatic valve 13, average valve outlet end is arranged in second gas circuit branch road
Pressure sensor 14 and average valve 16, the gas circuit between Pneumatic valve 13 and Pneumatic valve end pressure regulator valve 11 are drawn the test of Pneumatic valve end and are connect
First 12, the gas circuit between Pneumatic valve 13 and average valve 16 draws average valve outlet end test splice 15；
Two input terminals of average valve 16 are separately connected the feedback pressure mouth of air spring, come from two groups of difference air springs
Feedback pressure air connect by C mouthfuls and D mouthfuls with average 16 two input terminals of valve；Pneumatic valve 13 is also depressurized with pilot-operated type gas control
Valve connection.Average valve 16 in auxiliary braking control device can will carry out arithmetic average from the independent pressure of air spring, put down
The pressure exported afterwards, on the one hand, signal is transmitted to electronic brake control unit by pressure sensor, in service braking and quickly
It is calculated when braking for car load；On the other hand, one is provided to the pilot-operated type Air pressure control release valve in hydraulic braking control unit
A unique reliable pilot pressure, in emergency braking, the pressure energy of control pilot-operated type Air pressure control release valve output follows vehicle to carry
The variation of lotus and change, to guarantee that Emergency Negative Thrust can be corresponding with car load, to promote the comfort of passenger and subtract
It is few because excessive deceleration is damaging caused by train.
In a preferred embodiment, the output signal and EBCU (deceleration of electrons of average valve outlet side pressure force snesor 14
Control unit) connection.
In a preferred embodiment, total wind cock 1 realizes the connection from the compressed air of blast main to air spring
With truncation；
Impurity, greasy dirt and moisture in 2 filtering compressed air of total wind filter；
Air compressor machine start and stop pressure switch 3 controls air compressor machine start and stop, when total wind pressure is lower than air compressor machine start and stop pressure
When the lower limit value that switch 3 is set, air compressor machine starting, when total wind pressure is higher than the upper limit set in air compressor machine start and stop pressure switch 3
Air compressor machine stops when value；
Total 4 pairs of switch total wind pressures of wind pressure are monitored and are provided in real time alarm, when total wind pressure is lower than total wind pressure
When the lower limit value that switch 4 is set, total wind alarm signal is provided to train, triggers emergency braking, when total wind pressure is higher than total wind pressure
When the upper limit value that power switch 4 is set, the emergency braking of triggering will be alleviated；
Total wind pressure force snesor 5 is realized to blast main pressure monitoring；
Total wind pressure test splice 6 tests blast main pressure for external pressure gauge；
Check valve 7 realize compressed air can only one-way flow, cannot adverse current；
Air spring end pressure regulator valve 8 adjusts the air pressure for arriving air spring suspension gas circuit, is allowed to export a stabilization
, fixed pressure value；
Air spring end test splice 9 tests the output pressure value of empty spring end pressure regulator valve for external pressure gauge；
Total wind cutout cock 2 10 is realized from blast main compressed air to the making and truncation at 13 end of Pneumatic valve；
Pneumatic valve end pressure regulator valve 11 adjusts the air pressure for arriving 13 end of Pneumatic valve, be allowed to export one it is stable, fixed
Pressure value；
Output pressure value of the Pneumatic valve end test splice 12 for external pressure gauge test Pneumatic valve end pressure regulator valve 11；
Pneumatic valve 13 is the two-way choice valve with pressure set-point, and one end is passed through by Pneumatic valve end pressure regulator valve 11
The pressure of setting, one end are from the pressure after averaged 16 arithmetic average of valve of air spring；When average 16 output pressure of valve is greater than
When it sets pressure, Pneumatic valve 13 is exported in real time from the pressure after averaged 16 arithmetic average of valve of air spring；When average valve 16
When output pressure is less than the lower limit value that it sets pressure, Pneumatic valve 13 is acted, and output passes through the stabilization of Pneumatic valve end pressure regulator valve 11
Reliable setup pressure value；
Average valve outlet side pressure force snesor 14 is monitored average 16 output pressure value of valve；
Average valve outlet end test splice 15 tests average 16 output pressure of valve for external pressure gauge；
Average valve 16 carries out arithmetic average to from air spring feedback pressure, exports reliable unique pressure value after average.
In a preferred embodiment, the connection of each component is realized by the circuit board, is provided with gas circuit on circuit board
Connecting hole, each component are interconnected by opened hole.
A kind of control method of the auxiliary braking control device for magnetic-levitation train, compressed air enter auxiliary from blast main
Brake control, by A mouthfuls of air inlets of total wind air inlet, E mouthfuls of outlets are air spring suspension gas circuit gas supply；
From averaged 16 arithmetic average of valve of the air spring feedback pressure air of C mouthfuls and D mouthfuls, exported reliably only after average
One pressure value.On the one hand, signal is transmitted to EBCU (electronic brake control unit) by pressure sensor, in service braking and quickly
It is calculated when braking for car load；On the other hand, it is provided only to the pilot-operated type Air pressure control release valve in hydraulic braking control unit
One reliable pilot pressure；In emergency braking, the pressure energy for being allowed to control the output of pilot-operated type Air pressure control release valve follows vehicle to carry
The variation of lotus and change, to guarantee that brake force can be corresponding with car load；
Hydraulic system is directly entered after averaged 16 arithmetic average of valve of pressure fed back under normal circumstances from C, D mouthfuls of air spring
Pilot-operated type Air pressure control release valve in dynamic control unit controls it.The pressure fed back at this time from C, D mouthfuls of air spring is through flat
Enter pilot-operated type Air pressure control release valve through b → c → B after 16 arithmetic average of equal valve to control it；
The pressure value after pressure fed back from C, D mouthfuls of air spring averaged 16 arithmetic average of valve is set lower than Pneumatic valve 13
When fixed lower limit value, especially when air spring ruptures, when pressure sharply declines, Pneumatic valve 13 acts immediately, export one it is solid
Fixed pressure value is to the pilot-operated type Air pressure control release valve in hydraulic braking control unit, the pressure for exporting pilot-operated type Air pressure control release valve
It is able to satisfy emergency braking demand braking force, to guarantee the validity of emergency braking；At this time pressure air through A → a → c → B into
Enter pilot-operated type Air pressure control release valve to control it.
A kind of auxiliary braking control device for magnetic-levitation train, the control device use modularized design.Electronic control
On circuit board, the connection of each component is real by the circuit board for subelement and gas circuit control section element centralized arrangement
It is existing, air circuit connection hole is provided on circuit board, each component is interconnected by opened hole.Utility model device is multiple functional,
Integrated level is high.Solve magnetic-levitation train bottom modular design and installation, vehicle convenient later maintenance, save the cost.
The average valve 16 being arranged in the auxiliary braking control unit, for pilot-operated type gas is arranged in hydraulic braking control unit
Control pressure reducing valve provides prerequisite；When to guarantee train emergency braking, Emergency Negative Thrust can be corresponding with car load, mentions
High passenger comfort and avoid damage of the excessive deceleration to train.
This auxiliary braking control unit uses modularized design, multiple functional, and integrated level is high.Solves magnetic-levitation train bottom
Modularized design and installation, vehicle convenient later maintenance, save the cost.Emergency braking stand-by protection in auxiliary braking control unit
Circuit design, when air spring pressure is lower than its preset lower limit, especially when air spring ruptures, pressure sharply declines
When, a fixed setup pressure value can be exported to the pilot-operated type Air pressure control release valve in hydraulic braking control unit, make pilot-operated type
Air pressure control release valve output pressure meets emergency braking demand braking force, to guarantee the validity of emergency braking.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, and should refer to
Out, any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should all include
It is within the protection scope of the utility model.
Claims (2)
1. a kind of auxiliary braking control device for magnetic-levitation train, it is characterised in that: including electronic control part and gas circuit control
Part processed；
Electronic control part includes: air compressor machine start and stop pressure switch, total wind pressure switchs, total wind pressure force snesor peace valve goes out
Mouth side pressure force snesor；
Gas circuit control section includes: total wind cock one, total wind filter, total wind pressure test splice, check valve, air spring end
Pressure regulator valve, air spring end test splice, total wind cock two, Pneumatic valve end pressure regulator valve, Pneumatic valve end test splice, Pneumatic valve,
Average valve outlet end test splice and average valve；
Device is provided with A mouthfuls, connect by the way that A cause for gossip is existing with external blast main；B mouthfuls are provided with, is showed and external guide by B cause for gossip
The connection of formula Air pressure control release valve；C mouthfuls are provided with, is connect by the way that C cause for gossip is existing with the feedback pressure mouth of external first group of air spring；If
D mouthfuls are equipped with, is connect by the way that D cause for gossip is existing with the feedback pressure mouth of external second group of air spring；E mouthfuls are provided with, it is existing by E cause for gossip
With external air spring suspension air circuit connection；
Device is connect for A mouthfuls by total wind air inlet with external blast main, and external blast main connects total wind regime；From A mouthfuls of total wind air inlet points
The first gas circuit branch and the second gas circuit branch respectively for two gas circuit branches, the first gas circuit branch road be arranged total wind cock one,
Total wind filter, air compressor machine start and stop pressure switch, total wind pressure switch, total wind pressure force snesor, total wind pressure test splice, list
To valve and air spring end pressure regulator valve；Gas circuit air bleed spring terminal test between air spring end pressure regulator valve and air spring
Connector；
Total wind cock two, Pneumatic valve end pressure regulator valve, Pneumatic valve, average valve outlet side pressure force snesor is arranged in second gas circuit branch road
With average valve, the gas circuit between Pneumatic valve and Pneumatic valve end pressure regulator valve draws Pneumatic valve end test splice, Pneumatic valve and average valve
Between gas circuit draw average valve outlet end test splice；
Two input terminals of average valve are separately connected the feedback pressure mouth of air spring, the feedback from two groups of difference air springs
Pressure air is connect by C mouthfuls and D mouthfuls with average two input terminals of valve；Pneumatic valve is also connect with pilot-operated type Air pressure control release valve.
2. a kind of auxiliary braking control device for magnetic-levitation train according to claim 1, it is characterised in that: average valve
The output signal of outlet pressures sensor is connect with EBCU, and average valve outlet gas circuit is also connect with pilot-operated type Air pressure control release valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821091701.0U CN208411743U (en) | 2018-07-11 | 2018-07-11 | A kind of auxiliary braking control device for magnetic-levitation train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821091701.0U CN208411743U (en) | 2018-07-11 | 2018-07-11 | A kind of auxiliary braking control device for magnetic-levitation train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208411743U true CN208411743U (en) | 2019-01-22 |
Family
ID=65124550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821091701.0U Active CN208411743U (en) | 2018-07-11 | 2018-07-11 | A kind of auxiliary braking control device for magnetic-levitation train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208411743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108657218A (en) * | 2018-07-11 | 2018-10-16 | 中铁磁浮科技（成都）有限公司 | A kind of auxiliary braking control device and method for magnetic-levitation train |
-
2018
- 2018-07-11 CN CN201821091701.0U patent/CN208411743U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108657218A (en) * | 2018-07-11 | 2018-10-16 | 中铁磁浮科技（成都）有限公司 | A kind of auxiliary braking control device and method for magnetic-levitation train |
| CN108657218B (en) * | 2018-07-11 | 2023-09-12 | 中铁宝桥集团有限公司 | Auxiliary braking control device and method for maglev train |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221123 Address after: No.4 Huoju Road, hi tech Development Zone, Baoji City, Shaanxi Province 721000 Patentee after: CHINA RAILWAY BAOJI BRIDGE GROUP Co.,Ltd. Address before: 610083 Sichuan Chengdu Jinniu District Golden Phoenix Road 666 rail transit High-tech Industrial Park Patentee before: CHINA RAILWAY MAGLEV SCIENCE & TECHNOLOGY (CHENGDU) Co.,Ltd. Patentee before: CHINA RAILWAY HI-TECH INDUSTRY Corp.,Ltd. |
|
| TR01 | Transfer of patent right |