CN207173579U - A kind of locomotive and EMUs emergency exhaust system - Google Patents
A kind of locomotive and EMUs emergency exhaust system Download PDFInfo
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- CN207173579U CN207173579U CN201721081235.3U CN201721081235U CN207173579U CN 207173579 U CN207173579 U CN 207173579U CN 201721081235 U CN201721081235 U CN 201721081235U CN 207173579 U CN207173579 U CN 207173579U
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- electricity federation
- emergency exhaust
- exhaust
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Abstract
The utility model discloses a kind of locomotive and EMUs emergency exhaust system, including emergency exhaust valve, the first exhaust pipeline and controller, wherein emergency exhaust valve is loaded in the first exhaust pipeline, the entrance of first exhaust pipeline is connected with train pipe, the outlet of first exhaust pipeline is connected with air, characterized in that, also include being electrically connected with the controller loaded on the flowmeter between the outlet of the first exhaust pipeline and emergency exhaust valve, the electrical signal of flowmeter.The utility model is capable of the open and-shut mode of accurate judgement emergency exhaust valve, accurate judgement system whether air draft, it is ensured that the reliable realization of air draft, and the fault diagnosis of Electricity Federation lock-switch on emergency exhaust valve can be realized.
Description
Technical field
More particularly to a kind of locomotive of the utility model and EMUs emergency exhaust system.
Background technology
Emergency exhaust system on locomotive and EMUs is used to produce brake hard effect.Emergency exhaust of the prior art
System includes emergency exhaust valve, exhaust pipeline and controller, and wherein loaded in exhaust pipeline, exhaust pipeline enters emergency exhaust valve
Mouth is connected with train pipe, and the outlet of exhaust pipeline is connected with air.Emergency exhaust valve is called guard's valve, positioned at drivers' cab
It is interior, use is in case of emergency manipulated for crew member.Crew member manually operates emergency exhaust valve, can be by emergency exhaust
Valve is opened, and so as to which train pipe can be connected by exhaust pipeline with air, the compressed air in train pipe is releasably to extraneous ring
In border, brake hard effect is produced.There is Electricity Federation lock-switch, one end of Electricity Federation lock-switch normally opened contact, electricity on emergency exhaust valve
One end of interlocking switch normally-closed contact electrically connects with supply lines, the other end, the Electricity Federation lock-switch of Electricity Federation lock-switch normally opened contact
The other end of normally-closed contact is electrically connected with the controller.
In the prior art, whether the working condition of emergency exhaust system is typically by checking the lead sealing on emergency exhaust valve
Destroyed or Electricity Federation lock-switch working condition judges.
In an initial condition, emergency exhaust valve is provided with lead sealing, and when emergency exhaust valve is triggered first, lead sealing is broken
Bad, now staff judges emergency exhaust valve for open mode, and emergency exhaust system is outwardly vented, in brake hard shape
State.When maloperation causes emergency exhaust valve unexpected reset, can not be restored after being destroyed due to lead sealing, staff can miss
It is open mode to think emergency exhaust valve, and actually now exhaust pipeline has been cut off, and certain potential safety hazard be present.
When emergency exhaust valve is closed, emergency exhaust system not air draft, now controller detect the normal of Electricity Federation lock-switch
It is low level to open contact, and the normally-closed contact of Electricity Federation lock-switch is high level.When emergency exhaust valve is opened, emergency exhaust system row
Wind, now controller detect that the normally opened contact of Electricity Federation lock-switch is high level, the normally-closed contact of Electricity Federation lock-switch is low level.
It can be seen that because when emergency exhaust valve opens or closes, the working condition of Electricity Federation lock-switch is different, thus Electricity Federation lock can be utilized to open
The working condition of pass come judge emergency exhaust valve whether air draft.But when Electricity Federation lock-switch breaks down, controller detects
The working condition of Electricity Federation lock-switch can not reflect the real work state of emergency exhaust valve, when maloperation causes emergency exhaust
During valve unexpected reset, emergency exhaust valve can be caused to be mistaken as the situation of triggering, actually now exhaust pipeline has been cut off, and is deposited
In certain potential safety hazard.
In addition, when emergency exhaust valve is triggered opening, even if non-compressed air is discharged in train pipe, in system failure
In the case of, it can also judge that emergency exhaust system is operated in emergency braking condition, has potential safety hazard by existing method.
The content of the invention
In the prior art, staff is high to the working condition False Rate of emergency exhaust system, and system functional reliability is low,
Potential safety hazard be present.The purpose of this utility model is, for above-mentioned the deficiencies in the prior art, there is provided a kind of locomotive improved
And EMUs emergency exhaust system, be capable of the open and-shut mode of accurate judgement emergency exhaust valve, accurate judgement system whether air draft,
Ensure the reliable realization of air draft, and the fault diagnosis of Electricity Federation lock-switch on emergency exhaust valve can be realized.
In order to solve the above technical problems, technical scheme is used by the utility model：
A kind of locomotive and EMUs emergency exhaust system, including emergency exhaust valve, the first exhaust pipeline and controller, its
Middle emergency exhaust valve is loaded in the first exhaust pipeline, and the entrance of the first exhaust pipeline is connected with train pipe, the first exhaust pipeline
Outlet be connected with air, its be structurally characterized in that also include loaded on the first exhaust pipeline outlet emergency exhaust valve between stream
Gauge, the electrical signal of flowmeter are electrically connected with the controller.
By said structure, due to being equipped with flowmeter between the outlet of the first exhaust pipeline and emergency exhaust valve, thus can be with
By the flow signal of the exhaust pipeline exhaust outlet of flow measurement flow control one, the signal of flowmeter is gathered by controller.Work as train pipe
Inside have enough compressed airs be available for discharge when, when the signal of flowmeter is nonzero value, controller judges emergency exhaust valve to beat
Open state；When the signal of flowmeter is zero, controller judges emergency exhaust valve for closed mode.It can be seen that when there is foot in train pipe
When enough compressed airs are available for discharge, if emergency exhaust valve is misused and accidental switched off, staff will not be mistakenly considered promptly
Exhaust valve is closed mode, can learn now system not air draft in time and take appropriate measures, safe.
Further, there is Electricity Federation lock-switch, one end of Electricity Federation lock-switch normally opened contact, Electricity Federation lock are opened on emergency exhaust valve
The one end for closing normally-closed contact is electrically connected with supply lines, and the other end, the Electricity Federation lock-switch of Electricity Federation lock-switch normally opened contact are normally closed to be touched
The other end of point is electrically connected with the controller.
When not having enough compressed airs to be available for discharge in train pipe, now the signal of flowmeter is always zero.Due to
Controller can detect the working condition of Electricity Federation lock-switch, thus can reduce the probability of erroneous judgement to a certain extent.Meanwhile tie
Collaborate the working condition of the detected value of gauge and the working condition comprehensive descision emergency exhaust system of Electricity Federation lock-switch, can be by by mistake
Sentence rate to be preferably minimized, drastically increase the functional reliability and security of system.In addition, detected value and electricity with reference to flowmeter
The working condition of interlocking switch, fault diagnosis can also be carried out to Electricity Federation lock-switch：
When detecting the value non-zero of flowmeter, if the state of Electricity Federation lock-switch should be by " 01 " after emergency exhaust valve is opened
It is changed into " 10 "（First level for representing Electricity Federation lock-switch normally opened contact, second represent the electricity of Electricity Federation lock-switch normally-closed contact
It is flat）, then judge that lock-switch action in Electricity Federation is normal；If the state of final Electricity Federation lock-switch is not " 10 ", Electricity Federation lock-switch is judged
Break down.
When there is enough compressed airs to be available for the value of discharge and detection stream gauge to be zero in train pipe, if Electricity Federation lock-switch
State be " 01 "（First level for representing Electricity Federation lock-switch normally opened contact, second represent Electricity Federation lock-switch normally-closed contact
Level）, then judge that emergency exhaust valve is closed；If the state of Electricity Federation lock-switch is not " 01 "（First represents Electricity Federation lock and opens
The level of normally opened contact is closed, second represents the level of Electricity Federation lock-switch normally-closed contact）, then judge that emergency exhaust valve is in and open
State.
If the state of Electricity Federation lock-switch is not " 01 " or " 10 "（First electricity for representing Electricity Federation lock-switch normally opened contact
Flat, second represents the level of Electricity Federation lock-switch normally-closed contact）, then judge that Electricity Federation lock-switch breaks down.
Further, in addition to the second exhaust pipeline and brake hard magnetic valve, brake hard magnetic valve are loaded on second row
On air pipe line, the entrance of the second exhaust pipeline is connected with train pipe, and the outlet of the second exhaust pipeline is connected with air, control
The output end of device electrically connects with the control terminal of brake hard magnetic valve.
By said structure, when controller detects system air draft, timely output control signal is to control brake hard
Magnetic valve is opened, and so as to which the compressed air in train pipe can be discharged outside to environment by the second exhaust pipeline, is avoided the occurrence of
Emergency exhaust valve is misused and closes the situation of the first exhaust pipeline exhaust outlet, ensures the reliable implementation of brake hard.
Compared with prior art, the utility model is capable of the open and-shut mode of accurate judgement emergency exhaust valve, accurate judgement system
System whether air draft, it is ensured that the reliable realization of air draft, and the fault diagnosis of Electricity Federation lock-switch on emergency exhaust valve can be realized.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the utility model one.
Wherein, 1 is emergency exhaust valve, and 2 be flowmeter, and 3 be brake hard magnetic valve, and 4 be controller, and 5 be the first air draft
Pipeline, 6 be train pipe, and 7 be the second exhaust pipeline, and S is Electricity Federation lock-switch, and L is supply lines.
Embodiment
As shown in figure 1, an embodiment of the present utility model includes emergency exhaust valve 1, the first exhaust pipeline 5 and controller 4,
Wherein emergency exhaust valve 1 is loaded in the first exhaust pipeline 5, and the entrance of the first exhaust pipeline 5 is connected with train pipe 6, first row
The outlet of air pipe line 5 is connected with air, in addition to the flow between emergency exhaust valve 1 is exported loaded on the first exhaust pipeline 5
Meter 2, the electrical signal of flowmeter 2 electrically connects with controller 4.
There is Electricity Federation lock-switch S, one end of Electricity Federation lock-switch S normally opened contacts, Electricity Federation lock-switch S are normal on emergency exhaust valve 1
One end of closed contact electrically connects with supply lines L, the other end, the Electricity Federation lock-switch S normally-closed contacts of Electricity Federation lock-switch S normally opened contacts
The other end electrically connected with controller 4.
The utility model also includes the second exhaust pipeline 7 and brake hard magnetic valve 3, and brake hard magnetic valve 3 is loaded on the
In two exhaust pipelines 7, the entrance of the second exhaust pipeline 7 is connected with train pipe 6, outlet and the big gas phase of the second exhaust pipeline 7
Connection, the output end of controller 4 electrically connect with the control terminal of brake hard magnetic valve 3.
Embodiment of the present utility model is described above in conjunction with accompanying drawing, but the utility model is not limited to
The embodiment stated, above-mentioned embodiment is only schematical, rather than limitation, this area it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under enlightenment of the present utility model
Under, many forms can be also made, these are belonged within the scope of protection of the utility model.
Claims (3)
1. a kind of locomotive and EMUs emergency exhaust system, including emergency exhaust valve（1）, the first exhaust pipeline（5）And control
Device（4）, wherein emergency exhaust valve（1）Loaded on the first exhaust pipeline（5）On, the first exhaust pipeline（5）Entrance by promptly arranging
Air-valve（1）With train pipe（6）It is connected, the first exhaust pipeline（5）Outlet be connected with air, it is characterised in that also include
Loaded on the first exhaust pipeline（5）Outlet and emergency exhaust valve（1）Between flowmeter（2）, flowmeter（2）Electrical signal
With controller（4）Electrical connection.
2. locomotive as claimed in claim 1 and EMUs emergency exhaust system, it is characterised in that emergency exhaust valve（1）On
With Electricity Federation lock-switch（S）, Electricity Federation lock-switch（S）One end of normally opened contact, Electricity Federation lock-switch（S）One end of normally-closed contact with
Supply lines（L）Electrical connection, Electricity Federation lock-switch（S）The other end, the Electricity Federation lock-switch of normally opened contact（S）The other end of normally-closed contact is equal
With controller（4）Electrical connection.
3. locomotive as claimed in claim 1 or 2 and EMUs emergency exhaust system, it is characterised in that also including second row
Air pipe line（7）With brake hard magnetic valve（3）, brake hard magnetic valve（3）Loaded on the second exhaust pipeline（7）On, the second air draft
Pipeline（7）Entrance and train pipe（6）It is connected, the second exhaust pipeline（7）Outlet pass through brake hard magnetic valve（3）With it is big
Gas phase connects, controller（4）Output end and brake hard magnetic valve（3）Control terminal electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721081235.3U CN207173579U (en) | 2017-08-28 | 2017-08-28 | A kind of locomotive and EMUs emergency exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721081235.3U CN207173579U (en) | 2017-08-28 | 2017-08-28 | A kind of locomotive and EMUs emergency exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207173579U true CN207173579U (en) | 2018-04-03 |
Family
ID=61738320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721081235.3U Active CN207173579U (en) | 2017-08-28 | 2017-08-28 | A kind of locomotive and EMUs emergency exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207173579U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109291953A (en) * | 2018-10-31 | 2019-02-01 | 中车青岛四方车辆研究所有限公司 | Mechanical anti-skid brake apparatus |
| CN112622975A (en) * | 2021-01-06 | 2021-04-09 | 中车唐山机车车辆有限公司 | Air exhaust device, air exhaust method and freight motor train unit train |
-
2017
- 2017-08-28 CN CN201721081235.3U patent/CN207173579U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109291953A (en) * | 2018-10-31 | 2019-02-01 | 中车青岛四方车辆研究所有限公司 | Mechanical anti-skid brake apparatus |
| CN109291953B (en) * | 2018-10-31 | 2020-07-14 | 中车青岛四方车辆研究所有限公司 | Mechanical anti-skid braking device |
| CN112622975A (en) * | 2021-01-06 | 2021-04-09 | 中车唐山机车车辆有限公司 | Air exhaust device, air exhaust method and freight motor train unit train |
| CN112622975B (en) * | 2021-01-06 | 2022-06-17 | 中车唐山机车车辆有限公司 | Air exhaust device, air exhaust method and freight motor train unit train |
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