CN207496662U - A kind of UIC distributing valves overcharge alleviation system - Google Patents
A kind of UIC distributing valves overcharge alleviation system Download PDFInfo
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- CN207496662U CN207496662U CN201721572232.XU CN201721572232U CN207496662U CN 207496662 U CN207496662 U CN 207496662U CN 201721572232 U CN201721572232 U CN 201721572232U CN 207496662 U CN207496662 U CN 207496662U
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- uic
- normally opened
- opened contact
- control valve
- brake pipe
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- 238000002955 isolation Methods 0.000 claims description 4
- 210000000664 rectum Anatomy 0.000 claims description 2
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Braking Systems And Boosters (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model discloses a kind of UIC distributing valves to overcharge alleviation system, including overcharging alleviation control valve with what UIC distributing valves chamber volume and UIC distribution valve body gas circuit were connected；It is connected with brake pipe, for detecting Brake pipe pressure and the first normally opened contact being controlled to be closed when Brake pipe pressure reaches predetermined threshold value, the pressure converter that the second normally opened contact is controlled to disconnect when Brake pipe pressure is less than predetermined threshold value；For the opening and closing according to the first normally opened contact, control the second normally opened contact opening and closing overcharges the delay electric-controlled switch for alleviating control valve power on/off with control.It can be seen that, Brake pipe pressure is monitored using pressure converter, when Brake pipe pressure is more than or equal to predetermined threshold value, the second normally opened contact is controlled to be closed preset time, control valve energization preset time is alleviated in charging, opens UIC distributing valves chamber volume and the gas circuit of air, reduces UIC distributing valve volume room pressures, realize that automatic rapid recovery UIC distributing valves overcharge pressure, efficiency is higher.
Description
Technical field
The utility model is related to rail traffic vehicle braking fields, and alleviation system is overcharged more particularly to a kind of UIC distributing valves
System.
Background technology
At present, UIC distributing valves are applied in the EMU of multiple outlets, and internal main valve portion uses three pressure textures.Ginseng
See the UIC distributing valve structure diagrams shown in Fig. 1, which represents Brake pipe pressure P, volume chamber pressure P1, braking respectively
Cylinder pressure P2, specially these three pressure balances, P+P2=P1.
For train after emergency braking, driver alleviates speed to accelerate train braking, often activates alternate brake, and by pressing through
Filling button makes Brake pipe pressure P be more than 5bar, and UIC distributing valves volume chamber pressure P1 is also more than 5bar therewith at this time, is made after overcharging
Dynamic pipe P pressure is back to 5bar automatically in 120s-160s.But there is contracting between UIC distributing valves chamber volume and brake pipe and block up,
Cause volume chamber pressure P1 that cannot be down to 5bar in a short time.After applying the emergency brake again within the period, train exists
When brake pipe P pressure is back to 5bar during normal alleviation, since P1 pressure is still above 5bar, brake-cylinder pressure P2 pressure potentials must be big
In zero, braking cannot thoroughly be alleviated.
For the above situation, existing is usually manually UIC distributing valves chamber volume to be drawn to alleviate pull rod (self-replaced type), will
UIC distributing valve volume chamber pressures P1 is down to 5bar, and brake-cylinder pressure P2 is made to be equal to zero, so as to complete incidence graph checking cylinder.It in this way, must
Must be by the brake-cylinder pressure of vehicle manual operation ability complete incidence graph permutation vehicle, intelligence degree is low, time-consuming and laborious, working efficiency
It is low, influence train normal operation.
Utility model content
The purpose of this utility model is to provide a kind of UIC distributing valves and overcharges alleviation system, to solve existing hand relieving UIC
Distributing valve overcharge pressure it is less efficient the problem of.
In order to solve the above technical problems, the utility model, which provides a kind of UIC distributing valves, overcharges alleviation system, including with braking
The connected UIC distribution valve bodies of pipe；The checking cylinder and UIC distributing valve chamber volumes being connected with UIC distribution valve body gas circuit；With
The UIC distributing valves chamber volume overcharges alleviation control with UIC distribution valve bodies by what threeway air-path interface gas circuit was connected
Valve；Be connected with the brake pipe, for detect Brake pipe pressure and when the Brake pipe pressure be greater than or equal to predetermined threshold value when
The first normally opened contact is controlled to be closed, first normally opened contact is controlled to break when the Brake pipe pressure is less than the predetermined threshold value
The pressure converter opened；For when first normally opened contact is opened, the second normally opened contact of control to be closed preset time, with control
It is overcharged described in system and alleviates the control valve energization preset time, when first normally opened contact is closed, control described second is often
Contact disconnection is opened, to overcharge the delay electric-controlled switch for alleviating control valve power-off described in control；
Described first normally opened contact one end is connected with power supply, and the other end is connected with the input terminal of the delay electric-controlled switch；
Described second normally opened contact one end is connected with the power supply, and the other end is connected with the alleviation control valve that overcharges；
Wherein, when it is described overcharge alleviate control valve and be powered when, the gas circuit of the UIC distributing valves chamber volume and air is opened；
When it is described overcharge alleviate control valve power-off when, the gas circuit of the UIC distributing valves chamber volume and air is closed.
Preferably, it further includes and is set to the gas circuit that the UIC distribution valve body is connected with the UIC distributing valves chamber volume,
One end is connected with the UIC distributing valves chamber volume, and the other end is alleviated the contracting that is connected of control valve and blocked up with described overcharge；Wherein, it is described
The stifled latus rectum of contracting and the volume of the UIC distributing valves chamber volume match, to ensure to eliminate the UIC in the preset time
Distributing valve chamber volume overcharges pressure.
Preferably, further include and be set to described overcharge and alleviate control valve and the contracting and block up the gas circuit being connected, one end with it is described
The stifled other end of contracting is connected, and the other end is connected with the alleviation control valve that overcharges, and is overcharged for isolated fault and alleviates control valve
Cock is isolated in live contact.
Preferably, it further includes and cock is isolated with the live contact is connected, for monitoring live contact isolation cock
The signal acquisition module of state.
Preferably, described overcharge alleviates control valve as solenoid valve.
Preferably, the delay electric-controlled switch is time-delay relay.
Preferably, the alleviation pull rod being connected with the UIC distributing valves chamber volume is further included.
A kind of UIC distributing valves provided by the utility model overcharge alleviation system, including the UIC distribution being connected with brake pipe
Valve body；The checking cylinder and UIC distributing valve chamber volumes being connected with UIC distribution valve body gas circuit；With UIC distributing valves chamber volume and
UIC distribution valve bodies overcharge alleviation control valve by what threeway air-path interface gas circuit was connected；It is connected with brake pipe, is made for detecting
It moves pipe pressure and the first normally opened contact is controlled to be closed when Brake pipe pressure is greater than or equal to predetermined threshold value, when Brake pipe pressure is small
The pressure converter that the first normally opened contact is controlled to disconnect when predetermined threshold value；For when the first normally opened contact is opened, control the
Two normally opened contacts are closed preset time, are overcharged with control and alleviate control valve energization preset time, when the first normally opened contact is closed,
The second normally opened contact is controlled to disconnect, the delay electric-controlled switch for alleviating control valve power-off is overcharged with control；First normally opened contact one end
It is connected with power supply, the other end is connected with the input terminal for the electric-controlled switch that is delayed；Second normally opened contact one end is connected with power supply, the other end
It is connected with overcharging alleviation control valve；Wherein, when overcharging alleviation control valve energization, the gas circuit of UIC distributing valves chamber volume and air
It opens；When overcharging alleviation control valve power-off, the gas circuit of UIC distributing valves chamber volume and air is closed.
As it can be seen that using the pressure of pressure converter monitoring brake pipe, when Brake pipe pressure is greater than or equal to predetermined threshold value,
Normally opened contact is controlled to be closed preset time, control valve energization preset time is alleviated in charging, opens UIC distributing valves chamber volume and air
Gas circuit so that UIC distributing valve volumes room pressure reduce, overcharge pressure so as to fulfill automatic rapid recovery UIC distributing valves.Phase
Pressure is overcharged compared with hand relieving UIC distributing valves, the intelligence degree of the application is higher, and efficiency is higher.
Description of the drawings
For the clearer technical solution for illustrating the utility model embodiment or the prior art, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is UIC distributing valve structure diagrams；
Fig. 2 is the structural schematic block diagram that the UIC distributing valves that the utility model embodiment provides overcharge alleviation system；
Fig. 3 is normally opened contact, delay electric-controlled switch and overcharges the connection relationship diagram for alleviating control valve.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the utility model, below in conjunction with the accompanying drawings and it is embodied
The utility model is described in further detail for mode.Obviously, described embodiment is only the utility model part
Embodiment, instead of all the embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not doing
Go out all other embodiments obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Fig. 2 is referred to, Fig. 2 is the structural representation that the UIC distributing valves that the utility model embodiment provides overcharge alleviation system
Block diagram, the system include the UIC being connected with brake pipe distribution valve bodies 21；The braking being connected with UIC distribution 21 gas circuit of valve body
Cylinder 22 and UIC distributing valves chamber volume 23；Pass through threeway air-path interface with UIC distributing valves chamber volume 23 and UIC distribution valve bodies 21
What gas circuit was connected overcharges alleviation control valve 24；It is connected with brake pipe, for detecting Brake pipe pressure and when Brake pipe pressure is more than
Or the first normally opened contact is controlled to be closed during equal to predetermined threshold value, when Brake pipe pressure is less than predetermined threshold value, control first is normally opened touches
The pressure converter 25 that point disconnects；For when the first normally opened contact is opened, the second normally opened contact of control to be closed preset time, with
Control, which overcharges, alleviates control valve energization preset time, and when the first normally opened contact is closed, the second normally opened contact of control disconnects, with control
System overcharges the delay electric-controlled switch for alleviating control valve power-off；
First normally opened contact one end is connected with power supply, and the other end is connected with the input terminal for the electric-controlled switch that is delayed；Second is normally opened
Contact one end is connected with power supply, and the other end is connected with overcharging alleviation control valve；
Wherein, when overcharging alleviation control valve energization, the gas circuit of UIC distributing valves chamber volume and air is opened；It is slow when overcharging
When solving control valve power-off, the gas circuit of UIC distributing valves chamber volume and air is closed.
It is to be appreciated that above-mentioned predetermined threshold value can be the numerical value set according to actual demand, for example, can be set as
5bar.Above-mentioned overcharge alleviates control valve and can be but be not limited to solenoid valve, delay electric-controlled switch can be but be not limited to delay after
Electric appliance.
Time-delay relay can be specifically set to inside screen cabinet, and the control power input of the time-delay relay is connected to pressure
The normally opened contact of force transducer control, the normally opened contact are turned on and off being controlled by pressure converter, are specifically set to and overcharge
On the power cord for alleviating control valve.
Specifically, when Brake pipe pressure reaches predetermined threshold value, the first normally opened contact is closed, the control terminal of time-delay relay
Signal become " 1 " from " 0 ", the second normally opened contact of time-delay relay output terminal is closed preset time, so control overcharge it is slow
Solution control solenoid valves preset time.During solenoid valves, the access of UIC distributing valves chamber volume and air is opened, with
Reduce UIC distributing valve volume chamber pressures.
The connection relation that normally opened contact, time-delay relay and overcharging alleviate control solenoid valve may refer to company shown in Fig. 3
Connect relation schematic diagram.Fig. 3 include being delayed electric-controlled switch 31, overcharge and alleviate control valve 32, the first normally opened contact 33 and one
Second normally opened contact 34, second normally opened contact are closed when time-delay relay receives input signal, and delay preset time disconnects.
As shown in FIG., details are not described herein for corresponding connection relation.
Further, which can also include being set to the gas that UIC distribution valve bodies are connected with UIC distributing valve chamber volumes
Road, one end are connected with UIC distributing valve chamber volumes, and the other end blocks up 26 with overcharging the contracting that alleviation control valve is connected；Wherein, it contracts stifled lead to
Diameter and the volume of UIC distributing valve chamber volumes match, to ensure to eliminate the pressurising excessively of UIC distributing valve chamber volumes in preset time
Power.That is, between the stifled specific gas circuit for installing and overcharging alleviation control valve and the connection of UIC distributing valves chamber volume of contracting, can control
The exhaust velocity of control valve, and then realize that rapid recovery UIC distributing valve chamber volumes overcharge pressure, it is disposable to alleviate checking cylinder pressure
Power avoids checking cylinder remaining residue pressure.
Further, which, which can also include being set to overcharging, alleviates control valve and the stifled gas circuit being connected of contracting, one end and
The stifled other end of contracting is connected, and the other end is connected with overcharging alleviation control valve, and the electrification for alleviating control valve is overcharged for isolated fault
Cock 27 is isolated in contact.That is, live contact isolation cock be specifically installed on contracting it is stifled with overcharge the gas circuit alleviating control valve and connect
Between, can isolated fault overcharge alleviation control valve, so as to avoiding chamber volume air draft always, leading to checking cylinder, brake application is not asked
Topic, at the same time it can also which Fault Isolation signal is issued control system.
Further, which can also be connected including cock is isolated with live contact, be isolated for monitoring live contact
The signal acquisition module of cock state.
Further, which can also include the alleviation pull rod being connected with UIC distributing valve chamber volumes.
As it can be seen that pressure of the utility model embodiment using pressure converter monitoring brake pipe, when Brake pipe pressure is more than
Or during equal to predetermined threshold value, control normally opened contact is closed preset time, and control valve energization preset time is alleviated in charging, opens UIC
The gas circuit of distributing valve chamber volume and air so that UIC distributing valve volumes room pressure reduces, so as to fulfill automatic rapid recovery
UIC distributing valves overcharge pressure.Pressure is overcharged compared to hand relieving UIC distributing valves, intelligence degree is higher, and efficiency is higher.
Alleviation system is overcharged to UIC distributing valves provided by the utility model above to be described in detail.Herein should
The principle and embodiment of the utility model is expounded with specific case, the explanation of above example is only intended to sides
Assistant solves the method and its core concept of the utility model.It should be pointed out that for those skilled in the art,
Under the premise of the utility model principle is not departed from, can also to the utility model, some improvement and modification can also be carried out, these improvement
It is also fallen into the protection domain of the utility model claims with modification.
Claims (7)
1. a kind of UIC distributing valves overcharge alleviation system, which is characterized in that the UIC including being connected with brake pipe distributes valve body；With
The checking cylinder and UIC distributing valve chamber volumes that the UIC distribution valve body gas circuit is connected；With the UIC distributing valves chamber volume and institute
It states UIC distribution valve bodies and overcharges alleviation control valve by what threeway air-path interface gas circuit was connected；It is connected with the brake pipe, is used for
It detects Brake pipe pressure and the first normally opened contact is controlled to be closed when the Brake pipe pressure is greater than or equal to predetermined threshold value, work as institute
The pressure converter that first normally opened contact is controlled to disconnect when stating Brake pipe pressure less than the predetermined threshold value；For when described
When first normally opened contact is opened, the second normally opened contact of control is closed preset time, alleviates control valve energization to be overcharged described in control
The preset time when first normally opened contact is closed, controls second normally opened contact to disconnect, to be overcharged described in control
Alleviate the delay electric-controlled switch of control valve power-off；
Described first normally opened contact one end is connected with power supply, and the other end is connected with the input terminal of the delay electric-controlled switch；It is described
Second normally opened contact one end is connected with the power supply, and the other end is connected with the alleviation control valve that overcharges；
Wherein, when it is described overcharge alleviate control valve and be powered when, the gas circuit of the UIC distributing valves chamber volume and air is opened；Work as institute
It states and overcharges when alleviating control valve power-off, the gas circuit of the UIC distributing valves chamber volume and air is closed.
2. the system as claimed in claim 1, which is characterized in that further include and be set to the UIC distribution valve bodies and the UIC
The gas circuit that distributing valve chamber volume is connected, one end are connected with the UIC distributing valves chamber volume, and the other end overcharges alleviation control with described
The contracting that valve is connected is blocked up；Wherein, the stifled latus rectum of the contracting and the volume of the UIC distributing valves chamber volume match, to ensure in institute
That states the interior elimination UIC distributing valves chamber volume of preset time overcharges pressure.
3. system as claimed in claim 2, which is characterized in that further include to overcharge described in being set to and alleviate control valve and the contracting
Block up connected gas circuit, one end other end stifled with the contracting is connected, and the other end is connected with the alleviation control valve that overcharges, for every
The live contact isolation cock for alleviating control valve is overcharged from failure.
4. system as claimed in claim 3, which is characterized in that further include and cock is isolated with the live contact is connected, is used for
Monitor the signal acquisition module of the live contact batching pig door state.
5. such as Claims 1-4 any one of them system, which is characterized in that described overcharge alleviates control valve as solenoid valve.
6. such as Claims 1-4 any one of them system, which is characterized in that the delay electric-controlled switch is time-delay relay.
7. system as claimed in claim 6, which is characterized in that further include the alleviation being connected with the UIC distributing valves chamber volume
Pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721572232.XU CN207496662U (en) | 2017-11-22 | 2017-11-22 | A kind of UIC distributing valves overcharge alleviation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721572232.XU CN207496662U (en) | 2017-11-22 | 2017-11-22 | A kind of UIC distributing valves overcharge alleviation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207496662U true CN207496662U (en) | 2018-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721572232.XU Expired - Fee Related CN207496662U (en) | 2017-11-22 | 2017-11-22 | A kind of UIC distributing valves overcharge alleviation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207496662U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078625A (en) * | 2020-09-24 | 2020-12-15 | 中车株洲电力机车有限公司 | Control system and control method for eliminating overcharge of three-pressure mechanism |
| CN112644442A (en) * | 2021-01-05 | 2021-04-13 | 中车株洲电力机车研究所有限公司 | Safety braking method and device |
-
2017
- 2017-11-22 CN CN201721572232.XU patent/CN207496662U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078625A (en) * | 2020-09-24 | 2020-12-15 | 中车株洲电力机车有限公司 | Control system and control method for eliminating overcharge of three-pressure mechanism |
| CN112078625B (en) * | 2020-09-24 | 2022-04-08 | 中车株洲电力机车有限公司 | Control system and control method for eliminating overcharge of three-pressure mechanism |
| CN112644442A (en) * | 2021-01-05 | 2021-04-13 | 中车株洲电力机车研究所有限公司 | Safety braking method and device |
| CN112644442B (en) * | 2021-01-05 | 2022-03-08 | 中车株洲电力机车研究所有限公司 | Safety braking method and device |
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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: 20220810 Address after: 266000 south side of Xinye road and west side of Herong Road, Qingdao high tech Industrial Development Zone, Qingdao, Shandong Province Patentee after: CRRC Brake System Co.,Ltd. Address before: 412001 Tianxin garden in Shi Feng District, Zhuzhou, Hunan Patentee before: CRRC ZHUZHOU LOCOMOTIVE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |