CN202508119U - Turnout gap monitoring system - Google Patents
Turnout gap monitoring system Download PDFInfo
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- CN202508119U CN202508119U CN2012201160095U CN201220116009U CN202508119U CN 202508119 U CN202508119 U CN 202508119U CN 2012201160095 U CN2012201160095 U CN 2012201160095U CN 201220116009 U CN201220116009 U CN 201220116009U CN 202508119 U CN202508119 U CN 202508119U
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Abstract
The utility model provides a turnout gap monitoring system which comprises turnout monitoring devices respectively arranged in a plurality of point switches, wherein the turnout monitoring devices are respectively connected with a communication host machine through a controller area network (CAN) bus; the communication host machine is connected to the local area network of a communication and signal section; and a WEB server and a monitoring station are also connected to the local area network of the communication and signal section. The turnout gap monitoring system has the characteristics that a rail worker can clearly know the running states of the point switches in a control room; the running situations of the point switches can be known according to accurate data and intuitive images; and gap monitoring adopts displacement detection and image detection, so that the accuracy of gap data is greatly improved, and monitoring misreports are completely eliminated. By using the turnout gap monitoring system, the CAN bus is used for transmitting the data, so that the transmission distance is long, and the stability is high; the turnout gap monitoring system is also provided with a transient voltage suppressor (TVS) overvoltage protection circuit, so that the system can run safely and stably for a long time; and due to the parts provided by the system, under the condition that the temperature and the humidity are changed in a large range, the system can still work stably and reliably.
Description
Background technology
The utility model relates to track switch breach security of system monitoring device, is specifically related to a kind of real-time monitoring device that is used to monitor switch machine track switch notch state.
Technical field
Switch machine is a nucleus equipment of realizing the conversion of railway switch safety in the track switch, and whether normal the mode of operation of switch machine is, whether the track conversion puts in place, and these are directly connected to the safe operation of track traffic transportation.From the carrying out the thoroughfare by the switch personnel and change of past, by now electronic, oil pressure switch machine come lane change, all exist track and whether change the hidden danger that puts in place; Whether and new switch direction has also caused the appearance of new problem, normal such as oil pressure, and whether whether oil normal and oil circuit is sufficient for current of electric.Therefore, monitoring and the early warning to switch machine is very necessary.The monitoring of existing breach mainly can be divided into mechanical type and two big types of photo-electrics, and oil pressure, liquid level mainly are to reconnoitre every night by manual work.The breach aspect utilizes mechanical type or photo-electric monitoring; Cardinal principle is that monitoring sensor directly or indirectly is installed on the switch machine catch bar, and sets alarming value when installing, when breach exceeds safety value; Start cooresponding machinery or electronic switch; Produce the switching value signal,, this switching value signal is sent to Control Room through gathering extension set; After Control Room obtains signal, make prompting or warning.All there are certain defective in monitoring of existing machinery formula and photo-electric monitoring device, utilize mechanical type or photo-electric monitoring breach, and major defect is that alarm message can't cause higher rate of false alarm confirming, increases extra burden for the track switch service personnel; In addition, the breach value can't quantize, because adjustment value can not be accomplished at Control Room, must cause adjusting alarming value easily to on-the-spot adjustment; In addition, the mode of monitoring breach is not directly perceived, can't see the actual conditions of breach, and this makes the motion conditions that can not well understand and grasp switch machine in the Control Room.Monitoring has brought many inconvenience to railway switch for this.Factors such as the oil pressure aspect utilizes human eye and the experience of self to reconnoitre at present, and it has little effect, and tired in addition and site environment is abominable tend to leave hidden danger; Utilize the monitoring of probe mark position before the liquid level side appearance, the influence of acceleration due to gravitys such as train passageway tends to influence the variation of liquid level reality and mark.And oil pressure and level monitoring exist too and can't quantize, directly perceived with can't data query history etc. shortcoming.
The utility model content
The track switch breach monitoring system that the utility model provides is primarily aimed at switch machine oil pressure situation, liquid level condition and switch machine in-placing deviation amount body and does; Can monitor foregoing intuitively, exactly, in real time; And can carry out rational analysis to the content of monitoring; Graduation is carried out early warning and is preserved result, and the user is in that have under the situation of search access right can be through the monitoring situation of all workshop sections of network inquiry.
A kind of track switch breach monitoring system; It comprises the Switch monitor device of being located at respectively in several switch machines; Described Switch monitor device links to each other with host computer communication through the CAN bus respectively, a host computer communication access electricity affair section local area network, and an electricity affair section local area network is also inserted in WEB server and monitoring station.
Wherein, Described Switch monitor device comprises the pressure sensor that is used to obtain oil pressure, the level sensor of obtaining liquid level, gather the displacement pickup of indication rod displacement, obtain the camera of breach realtime graphic, the power circuit that is sent to network controller and the network interface circuit of host computer communication through network and power supply is provided for each functional circuit with the SDRAM memory device of the ARM chip of camera image processed compressed, storage ARM processing data, with the ARM processing signals; Said pressure sensor, level sensor, displacement pickup, camera, SDRAM memory device connect the ARM chip respectively; The ARM chip connects network controller; Network controller connects network interface circuit; Wherein said pressure sensor and level sensor are installed in the switch machine fuel tank; Described displacement pickup is installed on the afterbody of indication rod; Described camera is installed on the top of indication rod, and modules such as described ARM chip, SDARM memory device, network controller, network interface circuit and power circuit are installed in the sealing Stainless Steel Shell and are positioned over switch machine inside.
Wherein, described network controller is the CAN bus controller, and described network interface circuit is the CAN bus interface circuit.
Wherein, be provided with the TVS protective circuit between described CAN bus interface circuit and the host computer communication.
The characteristics of the utility model are: be convenient to the orbital worker just can clearly know switch machine operation in control cabin state and become whether rail puts in place, whether the pressure of whole oil hydraulic system normal, whether the liquid level of oil circuit on the low side etc.; Learn the function situation of switch machine with accurate data, intuitive image; This system accuracy is high, stability is strong, interface is firm; Safe, the difficulty that reduced monitoring of train driving have been guaranteed; Wherein displacement and two kinds of detections of image have been adopted in the breach monitoring especially, have improved the accuracy of breach data greatly, have perfectly eliminated the wrong report of monitoring.Native system adopts the CAN bus transmissioning data, and transmission distance is far away, and stability is strong; Also have the TVS overvoltage crowbar, guarantee system's long-term safety smooth operation, originally provide each parts can guarantee on a large scale system stability reliable work under the humiture change condition.
Description of drawings
Fig. 1 is a Switch monitor schematic representation of apparatus among the utility model embodiment;
Fig. 2 is the scheme drawing of switch monitor system among the utility model embodiment.
The specific embodiment
Provide the preferred embodiment of the utility model below, the content of these embodiment and unrestricted the utility model.
Embodiment
Please combine Fig. 1 and shown in Figure 2; A kind of track switch breach monitoring system among the utility model embodiment; It comprises the Switch monitor device of being located at respectively in several switch machines 10; Described Switch monitor device 10 links to each other with host computer communication 24 through CAN bus 20, and host computer communication 24 inserts the electric section local area network 23 of being engaged in, and WEB server 25 also inserts an electricity affair section local area network 23 with monitoring station 22.Wherein, CAN bus 10 also is provided with spare wire 21 improves system as the backup of CAN bus 10 security and stability.
Wherein, Described Switch monitor device 10 comprises the pressure sensor 1 that is used to obtain oil pressure, the level sensor 2 of obtaining liquid level, gather the displacement pickup 3 of indication rod displacement, obtain the camera 4 of breach realtime graphic, the power circuit 9 that is sent to network controller 7 and the network interface circuit 8 of host computer communication 24 through network and power supply is provided for each functional circuit with the SDRAM memory device 6 of the ARM chip 5 of camera image processed compressed, storage ARM processing data, with the ARM processing signals; Said pressure sensor 1, level sensor 2, displacement pickup 3, camera 4, SDRAM memory device 6 connect ARM chip 5 respectively; ARM chip 5 connects network controller 7; Network controller 7 connects network interface circuit 8; Wherein said pressure sensor 1 is installed in the switch machine fuel tank with level sensor 2; Described displacement pickup 3 is installed on the afterbody of indication rod; Described camera 4 is installed on the top of indication rod, and modules such as described ARM chip 5, SDARM memory device 6, network controller 7, network interface circuit 8 and power circuit 9 are installed in the sealing Stainless Steel Shell and are positioned over switch machine inside.Wherein, described network controller 7 is the CAN bus controller, and described network interface circuit 8 is the CAN bus interface circuit.Be provided with TVS protective circuit (period of the day from 1 p.m. to 3 p.m. among the figure) between described network interface circuit 8 and the host computer communication and be used for overvoltage protection.
Each sensor in the described track switch breach monitoring system 10 and device have that oil pressure in the switch machine is measured, the measurement and the interior breach image collecting function of switch machine of indication rod displacement in the measurement, switch machine of oil level in the switch machine fuel tank.
Oil pressure is measured in the said switch machine; Be meant through pressure sensor 1 and measure; Cardinal principle is the size of oil pressure in the switch machine to be caused the different deformation of cell pressure core body, and changes electric signal into, through the amplification of related circuit, calculate corresponding force value.
The measurement of oil level in the said switch machine fuel tank is meant and adopts level sensor 2 principles to carry out level gauging, calculates corresponding level value.
The measurement of indication rod displacement is meant through displacement pickup 3 and measures in the said switch machine, calculates corresponding with it displacement.
Breach IMAQ in the said switch machine; Be meant that the camera 4 that is installed in indication rod top takes pictures when taking pictures when displacement reaches triggering; The pressure of 5 pairs of collections of ARM chip, liquid level, displacement, view data can be put into SDRAM memory device 6 and keep in; Carry out processed compressed then and finally upload to the data bank in the WEB server 25 through network controller 7, network interface circuit 8 through CAN bus 20, host computer communication 24, an electricity affair section local area network 23, monitoring station 22 calling and checking after being convenient to.
Invention has been adopted displacement and first two mode monitoring breach of shooting (acquisition process of infrared camera, image data acquiring compression, displacement, CAN data transmission and data of database storage) to the monitoring of switch machine running in-placing deviation.The displacement pickup of breach module is installed on the afterbody of indication rod, is in same straight line with indication rod and has improved the precision of measuring.Camera module is installed on the top of breach, and lens focus is in the indication rod gap regions, and the view data that camera is gathered gets involved in same installation and switch machine in-to-in ARM control and treatment circuit.Displacement after treatment, view data insert the CAN bus transfer to machine room main frame (being control terminal) through the CAN interface.Main frame is the displacement that collects, picture signal, through with the operation conditions that reaches the track switch breach that compares of agreement.
The utility model has adopted the sensor of special high-accuracy, high stability to the monitoring of the oil pressure of switch machine oil hydraulic system and liquid level, has really accomplished rational connection and monitoring.Pressure sensor 1 is installed in the turn-out track cabinet with level sensor 2; Through to promoting the measurement of the pressure that switch machine rotates; Can be to the control of switch machine rotation process; Pressure data is explanation switch machine normal operation within normal scope, if data do not explain that switch machine breaks down within normal scope, reminds the railroader to safeguard; Through the measurement to whole oil circuit liquid level is in order to guarantee to promote the force value of switch machine normal operation, when being lower than certain value, reminds the staff to refuel processing.
CAN in the utility model (Controller AreaNetwork; Controller local area network) bus has following characteristics: have real-time, reliability is high, simple in structure, interoperability good, cheap, long transmission distance is (when speed 5kbps is following; Can reach 10km farthest) etc. advantage; Having overcome the defective of Traditional industrial bus, is a kind of actv. solution that makes up distributed measurement and control system.
Described total system, the measurement of each data volume is gathered interrelated, and all data finally all deposit data bank in and are convenient to later calling and checking, and service personnel only needs just can in time obtain at machine room the real-time condition of on-the-spot switch machine.All data all can embody as long as switch machine breaks down, if having only just wrong report of individual data mal explanation, this work capacity that has reduced the railroader has to a great extent also improved work efficiency.
Claims (4)
1. track switch breach monitoring system; It is characterized in that; It comprises the Switch monitor device of being located at respectively in several switch machines; Described Switch monitor device links to each other with host computer communication through the CAN bus respectively, a host computer communication access electricity affair section local area network, and an electricity affair section local area network is also inserted in WEB server and monitoring station.
2. track switch breach monitoring system as claimed in claim 1; It is characterized in that; Described Switch monitor device comprises the pressure sensor that is used to obtain oil pressure, the level sensor of obtaining liquid level, gather the displacement pickup of indication rod displacement, obtain the camera of breach realtime graphic, the power circuit that is sent to network controller and the network interface circuit of host computer communication through network and power supply is provided for each functional circuit with the SDRAM memory device of the ARM chip of camera image processed compressed, storage ARM processing data, with the ARM processing signals; Said pressure sensor, level sensor, displacement pickup, camera, SDRAM memory device connect the ARM chip respectively; The ARM chip connects network controller; Network controller connects network interface circuit; Wherein said pressure sensor and level sensor are installed in the switch machine fuel tank; Described displacement pickup is installed on the afterbody of indication rod, and described camera is installed on the top of indication rod, and modules such as described ARM chip, SDARM memory device, network controller, network interface circuit and power circuit are installed in the sealing Stainless Steel Shell and are positioned over switch machine inside.
3. track switch breach monitoring system as claimed in claim 2 is characterized in that described network controller is the CAN bus controller, and described network interface circuit is the CAN bus interface circuit.
4. as claimed in claim track switch breach monitoring system is characterized in that, is provided with the TVS protective circuit between described CAN bus interface circuit and the host computer communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201160095U CN202508119U (en) | 2012-03-23 | 2012-03-23 | Turnout gap monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201160095U CN202508119U (en) | 2012-03-23 | 2012-03-23 | Turnout gap monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202508119U true CN202508119U (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201160095U Expired - Lifetime CN202508119U (en) | 2012-03-23 | 2012-03-23 | Turnout gap monitoring system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228881A (en) * | 2014-09-09 | 2014-12-24 | 宁波思高信通科技有限公司 | Switch machine gap representation video monitoring system and method |
| CN105472355A (en) * | 2016-01-13 | 2016-04-06 | 江苏金晓电子信息股份有限公司 | Switch machine notch monitoring system and method based on binocular visual processing identification |
| CN105573187A (en) * | 2014-11-06 | 2016-05-11 | 南通大学 | Marine valve intelligent monitoring system |
| CN107226109A (en) * | 2016-03-23 | 2017-10-03 | 北京全路通铁路专用器材工厂 | Track switch gap intelligent monitor system |
| CN107764177A (en) * | 2017-09-13 | 2018-03-06 | 浙江大学 | The monitoring system and method for subway switch machine indication bar dynamic gap width |
| CN113804350A (en) * | 2020-10-20 | 2021-12-17 | 广东毓秀科技有限公司 | Device for detecting oil pressure of point switch |
| WO2024011974A1 (en) * | 2022-07-12 | 2024-01-18 | 通号通信信息集团上海有限公司 | System and method for measuring displacement of throw rod of switch machine |
-
2012
- 2012-03-23 CN CN2012201160095U patent/CN202508119U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228881A (en) * | 2014-09-09 | 2014-12-24 | 宁波思高信通科技有限公司 | Switch machine gap representation video monitoring system and method |
| CN105573187A (en) * | 2014-11-06 | 2016-05-11 | 南通大学 | Marine valve intelligent monitoring system |
| CN105472355A (en) * | 2016-01-13 | 2016-04-06 | 江苏金晓电子信息股份有限公司 | Switch machine notch monitoring system and method based on binocular visual processing identification |
| CN107226109A (en) * | 2016-03-23 | 2017-10-03 | 北京全路通铁路专用器材工厂 | Track switch gap intelligent monitor system |
| CN107226109B (en) * | 2016-03-23 | 2024-01-23 | 北京全路通铁路专用器材工厂 | Intelligent monitoring system for turnout notch |
| CN107764177A (en) * | 2017-09-13 | 2018-03-06 | 浙江大学 | The monitoring system and method for subway switch machine indication bar dynamic gap width |
| CN107764177B (en) * | 2017-09-13 | 2020-02-07 | 浙江大学 | System and method for monitoring dynamic gap width of subway switch machine indication rod |
| CN113804350A (en) * | 2020-10-20 | 2021-12-17 | 广东毓秀科技有限公司 | Device for detecting oil pressure of point switch |
| WO2024011974A1 (en) * | 2022-07-12 | 2024-01-18 | 通号通信信息集团上海有限公司 | System and method for measuring displacement of throw rod of switch machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 201612 Shanghai City, Songjiang Caohejing Shanghai hi tech park Xinzhuan Highway No. 518 building 11 floor 16 Patentee after: Shanghai TM Automation Instruments Co., Ltd. Address before: The new economic Park 200233 Shanghai city Songjiang District Shanghai Caohejing Development Zone room 7 room 202A Patentee before: Shanghai TM Automation Instruments Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |