CN103332187A - System and method for monitoring electric pneumatic breaking - Google Patents
System and method for monitoring electric pneumatic breaking Download PDFInfo
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- CN103332187A CN103332187A CN2013102795723A CN201310279572A CN103332187A CN 103332187 A CN103332187 A CN 103332187A CN 2013102795723 A CN2013102795723 A CN 2013102795723A CN 201310279572 A CN201310279572 A CN 201310279572A CN 103332187 A CN103332187 A CN 103332187A
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Abstract
The invention discloses a system and method for monitoring electric pneumatic breaking. The system comprises a current transformer and a displaying device. The current transformer is connected with an electric loop of the electric pneumatic breaking. The current transformer comprises an acquiring module and a conversion module, wherein the acquiring module is connected with the conversion module, the acquiring module is used for monitoring the electric loop in real time to acquire a current signal of the electric loop, and the conversion module is used for converting the current signal into a standard output current. The displaying device is connected with the current transformer, and is used for displaying the standard output current. The monitoring system can monitor whether the electric pneumatic breaking function of a train is normal or not in real time, and potential safety hazards of the train can be eliminated in time.
Description
Technical field
The present invention relates to braking control technology field in the track traffic, be specifically related to a kind of monitoring system and method for electropneumatic brake.
Background technology
Along with the fast development of track traffic technology, the braking control technology is paid attention to by increasing those skilled in the art in the track traffic.The electropneumatic brake technology is that train is with the control command of locomotive brake gear, as braking, alleviation, pressurize and emergency braking information etc., send the car brakeing machine of this locomotive to by relay, so that the braking maneuver that respectively saves vehicle and locomotive itself of this locomotive is consistent, reduce the collision of permutation car.Because the electropneumatic brake technology at the longitudinal impulse that reduces passenger train, shortens stopping distance, there is significant effect aspects such as raising alleviation speed, so this technology is widely used.
But, because locomotive brake gear, relay and car brakeing machine are connected by electric loop in electropneumatic brake, in case the train line in this electric loop disconnects then electropneumatic brake function cisco unity malfunction.In time do not found if train line disconnects, can cause this train to have potential safety hazard.
Summary of the invention
The invention provides a kind of monitoring system and method for electropneumatic brake, whether the electropneumatic brake function that can monitor train in real time is normal, in time gets rid of the potential safety hazard of train.
The invention provides a kind of monitoring system of electropneumatic brake, described system comprises: current transformer and display equipment;
Described current transformer links to each other with the electric loop of electropneumatic brake;
Described current transformer comprises acquisition module and modular converter, and described acquisition module links to each other with described modular converter;
Described acquisition module is used for the described electric loop of monitoring in real time, to obtain the current signal of described electric loop;
Described modular converter is used for converting described current signal to the standard outgoing current;
Described display equipment links to each other with described current transformer, is used for described standard outgoing current is shown.
Preferably, described current transformer also comprises:
Processing module is used for current signal with described electric loop and carries out being sent to described acquisition module after signal handles, described signal handle comprise sample of signal, linearly amplify, linear photoconductor coupling or circulation amplifies.
Preferably, described system also comprises: panalarm, and described panalarm links to each other with described display equipment;
When being used for the standard outgoing current that shows at described display equipment less than preset threshold value, described panalarm reports to the police.
Preferably, described system applies is in train.
The present invention has provided a kind of monitoring method of electropneumatic brake, and described method comprises:
Current transformer is monitored the electric loop of electropneumatic brake in real time, to obtain the current signal of described electric loop;
Current transformer converts described current signal to the standard outgoing current;
Display equipment shows described standard outgoing current.
Preferably, described current transformer converts described current signal before the standard outgoing current to, also comprises:
Current transformer carries out signal with the current signal in the described electric loop to be handled, and described signal is handled and comprised that sample of signal, linear amplification, linear photoconductor coupling or circulation amplify.
Preferably, described method also comprises:
The standard outgoing current that shows at described display equipment is during less than preset threshold value, and panalarm is reported to the police.
Preferably, described method is applied to train.
The monitoring system of electropneumatic brake of the present invention comprises current transformer and display equipment, and current transformer is used for the electric loop of monitoring electropneumatic brake in real time, to obtain the current signal of electric loop; And converting the current signal that obtains to the standard outgoing current, display equipment shows the standard outgoing current, so that the situation of the standard outgoing current by observing display equipment is controlled.Whether the electropneumatic brake function that monitoring system of the present invention can be monitored train in real time is normal, in time gets rid of the potential safety hazard of train.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present application, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiment of the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the empty control principle figure of train electricity;
The fundamental diagram of the monitoring system of the electropneumatic brake that Fig. 2 provides for embodiment one;
The monitoring method diagram of circuit of the electropneumatic brake that Fig. 3 provides for embodiment two.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the application's protection.
Embodiment one
To be train send the control command of locomotive brake gear to the car brakeing machine by relay in electropneumatic brake, to keep keeping strokes of permutation car.Locomotive brake gear, relay and car brakeing machine are connected by electric loop in the electropneumatic brake, the present inventor has expected increasing current transformer in original electric loop connection basis, in order to monitor the current conditions of electric loop in real time, and then judge whether normal operation of electropneumatic brake by electric current.
Wherein, current transformer is according to electromagnetic induction principle work; current transformer is made up of iron core and the winding of closure; its number of turns of winding seldom; be serially connected in the circuit of the electric current that needs measurement; therefore often there are whole electric currents of circuit to flow through current transformer; the intensity coil rate of turn is more; be serially connected in measuring device and the protection loop; current transformer is when work; its secondary circuit is closed all the time, so the impedance of measuring device and protection loop series coil is very little, and the mode of operation of current transformer is near short circuit.
With reference to figure 1, the monitoring system constructional drawing of the electropneumatic brake that Fig. 1 provides for present embodiment, described system specifically can comprise current transformer 101 and display equipment 102:
Described current transformer 101 links to each other with the electric loop of electropneumatic brake;
In the present embodiment, current transformer links to each other with the electric loop of electropneumatic brake, and concrete can link to each other by cable, and present embodiment does not limit the type of attachment of current transformer and electric loop.
Described current transformer 101 comprises acquisition module 101A and modular converter 101B, and described acquisition module 101A links to each other with described modular converter 101B;
Described acquisition module 101A is used for the described electric loop of monitoring in real time, to obtain the current signal of described electric loop;
Described modular converter 101B is used for converting described current signal to the standard outgoing current;
In the present embodiment, current transformer comprises acquisition module and modular converter, wherein, acquisition module links to each other with modular converter, and acquisition module can be monitored the current conditions of electric loop in real time, and is concrete, by obtaining the electric current of electric loop, reach the purpose of real-time monitoring electric loop.
In the practical operation, acquisition module can be real-time obtains electric current in the electric loop, also can set in advance time gap, when timing result reaches time gap, obtains the current signal of electric loop.Wherein, time gap can arrange according to demand.
In addition, current transformer also comprises modular converter, and wherein, the current signal that modular converter can obtain acquisition module converts the standard outgoing current to.Generally, the current signal that acquisition module obtains is the flash current signal of 110V, current value is generally 0-10A, because current value is unfavorable for follow-up demonstration more greatly, so present embodiment is converted to the flash current signal standard outgoing current of current value 4-20mA.
In the present embodiment, current transformer can also comprise processing module, concrete, after processing module is carried out the signal processing for the current signal with described electric loop, be sent to described acquisition module, described signal is handled and is comprised that sample of signal, linear amplification, linear photoconductor coupling or circulation amplify.
Described display equipment 102 links to each other with described current transformer 101, is used for described standard outgoing current is shown.
Display equipment in the present embodiment links to each other with current transformer, and behind the standard outgoing current input display equipment in the current transformer, display equipment shows it.
Wherein, display equipment can be telltale, and concrete display equipment type is unrestricted.
With reference to figure 2, the fundamental diagram of the monitoring system of the electropneumatic brake that Fig. 2 provides for present embodiment wherein, comprises relay 201, current transformer 101 and display equipment 102 in the described fundamental diagram, and their connect the common electric loop of forming.Concrete, display equipment links to each other with current transformer, and current transformer acts in the electric loop simultaneously, monitors the current conditions of electric loop in real time, so that whether differentiate electropneumatic brake working properly.
The all right panalarm of system in the present embodiment, described panalarm links to each other with described display equipment;
When being used for the standard outgoing current that shows at described display equipment less than preset threshold value, described panalarm reports to the police.
Wherein, threshold value can arrange as required, and the standard outgoing current that annunciator can show at display equipment is finished warning during less than preset threshold value.Concrete warning form can be sent alarm sound for annunciator, perhaps annunciator flicker alarm lamp etc., and concrete warning form present embodiment does not limit.
System that it should be noted that present embodiment can be applied to train.
The monitoring system of present embodiment electropneumatic brake comprises current transformer and display equipment, and current transformer is used for the electric loop of monitoring electropneumatic brake in real time, to obtain the current signal of electric loop; And converting the current signal that obtains to the standard outgoing current, display equipment shows the standard outgoing current, so that the situation of the standard outgoing current by observing display equipment is controlled.Whether the electropneumatic brake function that the monitoring system of present embodiment can be monitored train in real time is normal, in time gets rid of the potential safety hazard of train.
Embodiment two
With reference to figure 3, the monitoring method diagram of circuit of the electropneumatic brake that Fig. 3 provides for present embodiment specifically can comprise:
Step 301: current transformer is monitored the electric loop of electropneumatic brake in real time, to obtain the current signal of described electric loop.
In the present embodiment, current transformer is monitored in real time to the electric loop of electropneumatic brake, obtains the current signal of this electric loop.
In the practical operation, can obtain the current signal of this electric loop in real time, also can be every the Preset Time interval acquiring current signal of this electric loop once.Concrete, time gap can arrange according to demand.
Step 302: current transformer converts described current signal to the standard outgoing current.
In the present embodiment, current transformer can convert the current signal that obtains to the standard outgoing current, so that subsequent step is used.
Wherein, the current signal that current transformer obtains is generally the flash electric current of current value 0-10A, need convert the standard outgoing current of 4-20mA usually to.
Step 303: display equipment shows described standard outgoing current.
In the present embodiment, this standard outgoing current being shown by display equipment, so that the standard output current value by observe showing, judging whether normal operation of electropneumatic brake.
In the present embodiment, before step 302, current transformer carries out the current signal in the described electric loop signal in advance to be handled, and described signal is handled and comprised that sample of signal, linear amplification, linear photoconductor coupling or circulation amplify.That is to say, current transformer can at first carry out the current signal in the electric loop a series of signals such as sample of signal, linear amplification, linear photoconductor coupling and circulation amplification to be handled, obtain through the current signal after the signal processing, afterwards this current signal is carried out subsequent conversion and display operation.
Simultaneously, the standard outgoing current that shows when described display equipment is during less than preset threshold value, and panalarm is reported to the police.Wherein, threshold value can arrange according to demand, when arriving alert if, that is to say, the standard outgoing current that shows when described display equipment is during less than preset threshold value, and annunciator can be by sending alarm sound, and perhaps annunciator flicker alarm lamp is reported to the police.
Method that it should be noted that present embodiment can be applied to train.
In the present embodiment, current transformer is monitored the electric loop of electropneumatic brake in real time, to obtain the current signal of described electric loop; Secondly, current transformer converts described current signal to the standard outgoing current; At last, display equipment shows described standard outgoing current.Whether the electropneumatic brake function that the monitoring method of present embodiment can be monitored train in real time is normal, in time gets rid of the potential safety hazard of train.
For device embodiment, because it corresponds essentially to method embodiment, so relevant part gets final product referring to the part explanation of method embodiment.Device embodiment described above only is schematic, wherein said unit as the separating component explanation can or can not be physically to separate also, the parts that show as the unit can be or can not be physical locations also, namely can be positioned at a place, perhaps also can be distributed on a plurality of network elements.Can select wherein some or all of module to realize the purpose of present embodiment scheme according to the actual needs.Those of ordinary skills namely can understand and implement under the situation of not paying creative work.
Need to prove, in this article, relational terms such as first and second grades only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have the relation of any this reality or in proper order between these entities or the operation.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make and comprise that process, method, article or the equipment of a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.Do not having under the situation of more restrictions, the key element that is limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
More than monitoring system and the method for electropneumatic brake that the embodiment of the invention is provided be described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. the monitoring system of an electropneumatic brake is characterized in that, described system comprises: current transformer and display equipment;
Described current transformer links to each other with the electric loop of electropneumatic brake;
Described current transformer comprises acquisition module and modular converter, and described acquisition module links to each other with described modular converter;
Described acquisition module is used for the described electric loop of monitoring in real time, to obtain the current signal of described electric loop;
Described modular converter is used for converting described current signal to the standard outgoing current;
Described display equipment links to each other with described current transformer, is used for described standard outgoing current is shown.
2. system according to claim 1 is characterized in that, described current transformer also comprises:
Processing module is used for current signal with described electric loop and carries out being sent to described acquisition module after signal handles, described signal handle comprise sample of signal, linearly amplify, linear photoconductor coupling or circulation amplifies.
3. according to claim 1 or 2 described systems, it is characterized in that described system also comprises: panalarm, described panalarm links to each other with described display equipment;
When being used for the standard outgoing current that shows at described display equipment less than preset threshold value, described panalarm reports to the police.
4. system according to claim 1 is characterized in that, described system applies is in train.
5. the monitoring method of an electropneumatic brake is characterized in that, described method comprises:
Current transformer is monitored the electric loop of electropneumatic brake in real time, to obtain the current signal of described electric loop;
Current transformer converts described current signal to the standard outgoing current;
Display equipment shows described standard outgoing current.
6. method according to claim 5 is characterized in that, described current transformer converts described current signal before the standard outgoing current to, also comprises:
Current transformer carries out signal with the current signal in the described electric loop to be handled, and described signal is handled and comprised that sample of signal, linear amplification, linear photoconductor coupling or circulation amplify.
7. according to claim 5 or 6 described methods, it is characterized in that described method also comprises:
The standard outgoing current that shows at described display equipment is during less than preset threshold value, and panalarm is reported to the police.
8. method according to claim 5 is characterized in that, described method is applied to train.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310279572.3A CN103332187B (en) | 2013-07-04 | 2013-07-04 | A kind of monitoring system and method for electric pneumatic breaking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310279572.3A CN103332187B (en) | 2013-07-04 | 2013-07-04 | A kind of monitoring system and method for electric pneumatic breaking |
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| Publication Number | Publication Date |
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| CN103332187A true CN103332187A (en) | 2013-10-02 |
| CN103332187B CN103332187B (en) | 2016-07-27 |
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| CN201310279572.3A Active CN103332187B (en) | 2013-07-04 | 2013-07-04 | A kind of monitoring system and method for electric pneumatic breaking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106564516A (en) * | 2016-11-18 | 2017-04-19 | 中车株洲电力机车有限公司 | Motor train unit as well as online monitoring method and system for electric pneumatic function state of train set |
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| US2643370A (en) * | 1951-03-26 | 1953-06-23 | Westinghouse Air Brake Co | Electric circuit checking equipment |
| US4316640A (en) * | 1980-06-13 | 1982-02-23 | Bi-Modal Corporation | Electro pneumatic brake system for railway car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106564516A (en) * | 2016-11-18 | 2017-04-19 | 中车株洲电力机车有限公司 | Motor train unit as well as online monitoring method and system for electric pneumatic function state of train set |
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| Publication number | Publication date |
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| CN103332187B (en) | 2016-07-27 |
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Address after: 412001 Tianxin garden in Shi Feng District, Zhuzhou, Hunan Patentee after: CRRC ZHUZHOU LOCOMOTIVE Co.,Ltd. Address before: 412001 Tianxin garden in Shi Feng District, Zhuzhou, Hunan Patentee before: CSR ZHUZHOU ELECTRIC LOCOMOTIVE Co.,Ltd. |
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Effective date of registration: 20220816 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. |