CN201478878U - Passenger car overhauling ground power supply monitoring system - Google Patents
Passenger car overhauling ground power supply monitoring system Download PDFInfo
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- CN201478878U CN201478878U CN2009201440338U CN200920144033U CN201478878U CN 201478878 U CN201478878 U CN 201478878U CN 2009201440338 U CN2009201440338 U CN 2009201440338U CN 200920144033 U CN200920144033 U CN 200920144033U CN 201478878 U CN201478878 U CN 201478878U
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Abstract
The utility model relates to a passenger car overhauling ground power supply monitoring system, which comprises a monitoring control and management center computer with a monitoring software system, a communication network, a plurality of data collection and control and operation prompting devices and a plurality of ground power supply cabinet electric circuits, wherein the communication network is respectively connected with the monitoring control and management center computer and the data collection and control and operation prompting devices which are also connected with the ground power supply cabinet electric circuits. The system is used to reduce the error operations and the accidents of overhauling electro-safety, and can also automatically conduct the statistics on electricity utilization, thereby achieving the purposes of elaboration, automatic management, energy conservation and reduction of energy consumption.
Description
Technical field
The utility model relates to that a kind of railway passenger train, subway train carriage vehicle or city rail passenger vehicle vehicle are powered and the security control and the managing power consumption device of electricity consumption in upkeep operation, relate in particular to a kind of passenger vehicle car inspection and repair surface power supply power supply monitoring system.
Background technology
At present, a plurality of vehicles were linked to be row when vehicle was reorganized and outfit upkeep operation in car inspection and repair unit, the power supply major part of power consumption equipment is powered by the surface power supply power supply on the vehicle, and same surface power supply power supply need be at different time to different train power supplies, and the multiple row car is then powered by the surface power supply power supply of a plurality of correspondences on different station tracks.
Fig. 1 is on the station track that is formed by rail 14, by 1
# Vehicle 501,2
#Vehicle 502 ... 20
#The power supply schematic diagram of the train that vehicle 520 is formed.When the power customer need use or overhaul equipment (as ventilation equipment such as air-conditionings) on the vehicle, at first couple together by electric connector 3 and stube cable 2 power taking aviation socket and surface power supply power sourced electric cabinet 1 the vehicle afterbody by the power customer, confirming to connect under correct with the safe situation then, the close air switch of surface power supply power sourced electric cabinet 1 of power customer, and press the closed contactor of " startup " button, power to the permutation vehicle by the surface power supply power supply, with operation and the maintenance electricity consumption of satisfying various power consumption equipments on the vehicle; After electricity consumption finished, the power customer pressed " outage " button on the surface power supply power sourced electric cabinet 1, and the air switch of leaving behind disconnects electric connector 3, and electricity consumption finishes.Supply under the power mode this, when vehicle is reorganized and outfit upkeep operation in car inspection and repair unit, when electricity consumption of power customer, with how many electricity, how to guarantee that Electrical Safety etc. decided in its sole discretion by the power customer fully, be full handwork fully, do not take any technology or management means that power customer's the electricity of taking is monitored and managed, cause problems such as electricity consumption waste and Electrical Safety hidden danger easily.Simultaneously because vehicle is reorganized and outfit maintenance in car inspection and repair unit is frequent the generation, therefore common send electricity or power failure to power supply unit generally guarantees safety with the operation order system, but this operation order system can't really effectively be carried out and guarantee safety to have reduced overhaul efficiency simultaneously.
Specifically have following four shortcomings in the prior art: whose record automatically send electric people when 1. overhauling a train of vehicles is, if manual record then can reduce car inspection and repair work efficient; 2. technically do not control sending electric people to send electricity to operate in, also not audit to sending electric people to carry out identity, any people that can touch surface power supply power sourced electric cabinet can operating equipment finishes and send the electricity operation; 3. send electric people may have other maintainers being about to operation on charged circuit or the equipment when sending electricity, and other maintainers send the situation of electricity unclear to being about to, this may cause serious accident; 4. the surface power supply power supply was powered to different vehicles in the different time, the power supply of surface power supply power supply just to as if changing, very inconvenient with the general a certain train of vehicles one shared electric weight of how much spending of kilowatt-hour meter statistics maintenance, be difficult to realize that quantitative statistics overhauls the energy consumption of a certain train of vehicles, be not easy to realize the fine-grained management of energy consumption, thereby may cause the waste of electricity consumption.
Existing at present " distribution box supervisory control system ", " power monitoring system of factory " can remote monitoring and the electricity consumption situation of adding up permanent plant, also can remote activation or arrestment.This type systematic uses " electrical quantity acquisition module " or " power monitoring module " by wired or wireless net connection, the electricity consumption situation of remote collection power equipment or power consumption equipment, as voltage, electric current, power, power consumption etc., but the power supply that these systems monitored to as if fixing, it is not distinguished the power supplier, and these systems are not distinguished different power supply objects yet simultaneously.
Chinese patent " a kind of system and operation method that power supply station's operation conditions is monitored in real time " (application number 200510096061.3), " energy management system and the method thereof that are used for controller switching equipment " (application number 200610023875.9), " a kind of universal power distribution monitoring system that is used for power distribution cabinet " (application number 200710073698.X), " operation power stops sending electric computer supervisory control system " (patent No. 200720010474.X) all is the monitoring that are used for fixing power consumption equipment, these system side overweight the collection of electricity consumption situation data or the control of load, to sending electricity operation not carrying out any technical monitoring or control, these systems are neither distinguished the power supplier simultaneously, also different power supply objects are not distinguished.
The utility model content
Technical problem to be solved in the utility model provides a kind of effective difference power supplier and power supply object, reduce the randomness of electricity consumption, reach the passenger vehicle car inspection and repair surface power supply power supply monitoring system of production fine-grained management.
For addressing the above problem, a kind of passenger vehicle car inspection and repair surface power supply power supply monitoring system described in the utility model is characterized in that: it is made up of the supervision control that the monitoring software system is installed and management centre computer, communication network, many data acquisitions and control and operation indicating device and a plurality of surface power supply power cabinet electric wiring; Described communication network links to each other with control and operation indicating device with described supervision control and management centre computer, data acquisition respectively; Described data acquisition links to each other with described surface power supply power cabinet electric wiring with control and operation indicating device.
Described data acquisition and control and operation indicating device are made up of communication control unit, identification unit, electric quantity data acquisition unit, voice suggestion and reservation electricity consumption time display unit and switch control input-output unit; Described communication control unit links to each other with described communication network and described identification unit, electric quantity data acquisition unit, voice suggestion and reservation electricity consumption time display unit, switch control input-output unit respectively; Described electric quantity data acquisition unit all links to each other with described surface power supply power cabinet electric wiring with described switch control input-output unit.
Described electric quantity data acquisition unit is provided with current sensor and voltage sensor, and this current sensor links to each other with described surface power supply power cabinet electric wiring respectively with voltage sensor.
Described voice suggestion and reservation electricity consumption time display unit are made up of single-chip microcomputer I, speech chip, power amplifier, loudspeaker and operation indicating liquid crystal display circuit; Described single-chip microcomputer I links to each other with described communication control unit, speech chip, operation indicating liquid crystal display circuit respectively; Described power amplifier links to each other with loudspeaker with described speech chip respectively.
Described switch control input-output unit is made up of single-chip microcomputer II, five opto-coupler chips, three relays and two input modulate circuits; Described single-chip microcomputer II links to each other with described communication control unit, five opto-coupler chips respectively; In the described opto-coupler chip three are corresponding one by one continuous with three described relays respectively, and these three described relays link to each other with described surface power supply power cabinet electric wiring respectively; In the described opto-coupler chip two other is corresponding one by one continuous with two described input modulate circuits respectively, and these two described input modulate circuits link to each other with described surface power supply power cabinet electric wiring respectively.
Described monitoring software system comprises data management and memory module, the network release module of data, real time data is obtained and sending module, identity Authority Verification and control module and communication interface modules in real time; Described data management and memory module divide into on-the-spot for electricity consumption situation display module, statistical query and Reports module, allow power supplies regulation to be provided with that module, identity authority and card number are provided with module, messaging parameter is provided with module and confession electricity consumption Registration Module, wherein should the scene obtain with sending module with described real time data for electricity consumption situation display module and link to each other, this confession electricity consumption Registration Module links to each other with real-time control module with described identity Authority Verification; Described data management is obtained with sending module, identity Authority Verification with network release module, the real time data of described data respectively with memory module and is linked to each other with real-time control module; Described real time data is obtained with sending module and is linked to each other with real-time control module, communication interface modules with network release module, the identity Authority Verification of described data respectively; Described communication interface modules links to each other with described supervision control and management centre computer.
Every described data acquisition links to each other with a described surface power supply power cabinet electric wiring with control and operation indicating device.
Two described data acquisitions link to each other with a described surface power supply power cabinet electric wiring with control and operation indicating device.
The utility model compared with prior art has the following advantages:
Owing to be provided with supervision control and management centre computer and Duo Tai data acquisition and control and the operation indicating device that the monitoring software system is installed in the utility model, therefore realized automatic management, limited from technological means and to have sent electric personnel and maintainer's send electricity and electricity consumption to operate, reduce the randomness of its electricity consumption, the Supervised Control and the management of Electrical Safety have been played, thereby reduced the generation of security incident, and reached energy saving purposes; The utility model can also realize adding up the electricity consumption situation of different power customers and different electricity consumption vehicles simultaneously, thereby for management provides accurate data, has reached the target of fine-grained management.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is a prior art of the present utility model.
Fig. 2 is a structured flowchart of the present utility model.
Fig. 3 is the structured flowchart of data acquisition and control and operation indicating device in the utility model.
Fig. 4 is the structured flowchart of voice and reservation electricity consumption time display unit in the utility model.
Fig. 5 is the structured flowchart of switch control input-output unit in the utility model.
Fig. 6 is the structured flowchart of monitoring software system in the utility model.
Fig. 7 is the concrete connecting circuit figure that switch is controlled input-output unit and surface power supply power cabinet electric wiring in the utility model.
Among the figure: 11-surface power supply power sourced electric cabinet 12-stube cable 13-electric connector 14-rail 501-1
#Vehicle 502-2
#Vehicle 520-20
#1- 2- 3-31- 32- 33-34- 341-I 342-343- 344- 345-35- 351-II 352- 353-354- 4- 5-51- 52- 53-54- 55- 56-6- 7- 8-9- SB1- SB2-QA-/ MB1、MB2、MB3- FA-BB-
Embodiment
A kind of passenger vehicle car inspection and repair surface power supply power supply monitoring system is formed (referring to Fig. 2) by the supervision control that the monitoring software system is installed and management centre computer 1, communication network 2, many data acquisitions and control and operation indicating device 3 and a plurality of surface power supply power cabinet electric wiring 4.Communication network 2 links to each other with control and operation indicating device 3 with monitoring control and management centre computer 1, data acquisition respectively; Data acquisition links to each other with surface power supply power cabinet electric wiring 4 with control and operation indicating device 3.When every data acquisition links to each other with a surface power supply power cabinet electric wiring 4 with control and operation indicating device 3, be used to monitor the power supply of 4 pairs one train of vehicles of a surface power supply power cabinet electric wiring; When two data acquisitions link to each other with a surface power supply power cabinet electric wiring 4 with control and operation indicating device 3, be used to monitor the power supply of 4 pairs two train of vehicles of a surface power supply power cabinet electric wiring.
Data acquisition and control and operation indicating device 3 are formed (referring to Fig. 3) by communication control unit 31, identification unit 32, electric quantity data acquisition unit 33, voice suggestion and reservation electricity consumption time display unit 34 and switch control input-output unit 35.Communication control unit 31 links to each other with communication network 2 and identification unit 32, electric quantity data acquisition unit 33, voice suggestion and reservation electricity consumption time display unit 34, switch control input-output unit 35 respectively; Electric quantity data acquisition unit 33 all links to each other with surface power supply power cabinet electric wiring 4 with switch control input-output unit 35.Wherein: electric quantity data acquisition unit 33 is provided with current sensor and voltage sensor, and this current sensor links to each other with described surface power supply power cabinet electric wiring 4 respectively with voltage sensor.
Voice suggestion and reservation electricity consumption time display unit 34 are formed (referring to Fig. 4) by single-chip microcomputer I 341, speech chip 342, power amplifier 343, loudspeaker 344 and operation indicating liquid crystal display circuit 345.Single-chip microcomputer I 341 links to each other with communication control unit 31, speech chip 342, operation indicating liquid crystal display circuit 345 respectively; Power amplifier 343 links to each other with loudspeaker 344 with speech chip 342 respectively.
Switch control input-output unit 35 is formed (referring to Fig. 5) by single-chip microcomputer II 351, five opto-coupler chips 352, three relays 353 and two input modulate circuits 354.Single-chip microcomputer II 351 links to each other with communication control unit 31, five opto-coupler chips 352 respectively; In the opto-coupler chip 352 three are corresponding one by one continuous with three relays 353 respectively, and these three relays link to each other with surface power supply power cabinet electric wiring 4 respectively; In the opto-coupler chip 352 two other is corresponding one by one continuous with two input modulate circuits 354 respectively, and these two input modulate circuits 354 link to each other with surface power supply power cabinet electric wiring 4 respectively.
The monitoring software system comprises data management and memory module 5, the network release module 6 of data, real time data is obtained and sending module 7, identity Authority Verification and real-time control module 8 and communication interface modules 9 (referring to Fig. 6).Data management and memory module 5 divide into on-the-spot for electricity consumption situation display module 51, statistical query and Reports module 52, allow power supplies regulation to be provided with that module 53, identity authority and card number are provided with module 54, messaging parameter is provided with module 55 and confession electricity consumption Registration Module 56, wherein should the scene obtain with sending module 7 with real time data for electricity consumption situation display module 51 and link to each other, this confession electricity consumption Registration Module 56 links to each other with real-time control module 8 with the identity Authority Verification; Data management is obtained with sending module 7, identity Authority Verification with network release module 6, the real time data of data respectively with memory module 5 and is linked to each other with real-time control module 8; Real time data is obtained with sending module 7 and is linked to each other with real-time control module 8, communication interface modules 9 with network release module 6, the identity Authority Verification of data respectively; Communication interface modules 9 links to each other with monitoring control and management centre computer 1.
During use; install and connect various piece of the present utility model and monitoring software system by Fig. 2～6; implement the utility model and on-the-spot being electrically connected according to Fig. 7 then; and the current sensor of electric quantity data acquisition unit 33; voltage sensor and surface power supply power cabinet electric wiring 4 corresponding supply lines connect; wherein the SB1 among Fig. 7 is the power supply start button; SB2 is the power supply stop button; QA is contactor coil/contact; MB1; MB2; MB3 is respectively three relay contacts; and MB3 is a duplicate relay contact (not shown); FA is the circuit protection fuse, and BB is the hot protective relay contact.At last, monitoring installation monitoring software system on control and the management centre computer 1.
Use identity authority and identity authority rfid card in the monitoring software system that module 54 number is set and set the corresponding relation of identity authorities and identity authority rfid card number and preserve, and identity authority rfid card is dealt into operation, supervision, the affirmation personnel of correspondence; Use the permission power supplies regulation in the monitoring software system module 53 settings to be set simultaneously to the identity validation of powered operation and the setting of the rule of supervision affirmation mode; Use messaging parameter that the address of equipment in module 55 setting networks is set, comprise the network address of data acquisition and control and operation indicating device 3 and the address of supervision control and management centre computer 1.After this just the user can use on-the-spot for 51 monitoring of electricity consumption situation display module on-the-spot for the electricity consumption situation, the monitoring software system will finish the security control of on-the-spot electricity consumption automatically.The user uses the statistical query in the monitoring software system can add up different power supply or electricity consumption personnel and different employed electric weight of train overhaul and printing reports with Reports module 52.
Start the monitoring software system, control in use step and authority and the electricity consumption time of the utility model by being installed in the on-the-spot data acquisition that is connected with surface power supply power cabinet electric wiring 4 and control and 3 pairs of passenger vehicle car inspection and repairs of operation indicating device surface power supply power supply, the electrical parameter of data acquisition and control and 3 pairs of ground power supplies of operation indicating device carries out data acquisition and processing (DAP).Data acquisition and control and operation indicating device 3 are gathered power customer and power supplier and other people's that need confirm the identification rfid card information that reads, data acquisition and control and operation indicating device 3 are determined to preengage the electricity consumption time and show the residual reservation electricity consumption time according to power customer's card using information, and can be by current operation and next step operation of voice suggestion power supplier.Data acquisition and control and operation indicating device 3 by the relay contact MB1 among Fig. 7 make by authorize audit (authorize audit by data acquisition with control and operation indicating device 3 and monitor control and management centre computer 1 and central computer on software cooperate jointly finish) the power supplier invalid to the operation of the start button SB1 that powers, promptly can't finish powered operation, data acquisition and control and operation indicating device 3 stop the power supply of surface power supply power supply to vehicle by the relay contact MB2 among Fig. 7.
Data acquisition simultaneously and control and operation indicating device 3 are by the communication network 2 of RS-485 bus type or the communication network and the supervision control and management centre computer 1 mutual communication that are installed in the remote monitoring chamber of ethernet type, to exchange necessary information.
Monitor that control and management centre computer 1 show and preserve the electricity consumption situation and the electrical quantity of the surface power supply power supply that a plurality of data acquisitions and control and operation indicating device 3 collect in real time, electrical quantity comprises voltage, electric current, power, electric degree number, power factor.Monitor that control and management centre computer 1 obtain power customer that data acquisition and control and 3 collections of operation indicating device read and power supplier and other people's that need confirm identification rfid card information by network, the power customer of this information and its preservation and power supplier and other people's that need confirm identification rfid card information and corresponding personnel's operating right relatively, judge whether all people that swipe the card satisfy the authority requirement of corresponding ground power supply use and management way, instruct if satisfy then to send with control and operation indicating device 3 to data acquisition by network, make the signal of the relay contact MB1 closure in data acquisition and control and the operation indicating device 3 outputs circuit as shown in Figure 7, and to data acquisition and control and the 3 transmission instructions of operation indicating device, make data acquisition and control and operation indicating device 3 send and to operate the voice suggestion of sending electricity, show the predefined reservation electricity consumption time (such as 30 minutes) simultaneously, and prompting needs then the power customer to increase the reservation electricity consumption time by swiping the card if will increase the reservation electricity consumption time.The powered operation people can press power supply start button SB1 and finished and send the electricity operation to power to vehicle in official hour (as 3 minutes) this moment, after surpassing official hour, monitor that control and management centre computer 1 will be to data acquisition and control and the 3 transmission instructions of operation indicating device, make the signal that relay contact MB1 in data acquisition and control and the operation indicating device 3 outputs circuit as shown in Figure 7 disconnects, the power supplier can't finish powered operation, need set rfid card with power customer and power supplier and other people's that need confirm identity as if powering and swipe the card again.
After the reservation electricity consumption time arrives, monitoring that control and management centre computer 1 send with control and operation indicating device 3 to data acquisition by network instructs, make and stop the signal that relay contact MB2 instantaneous time in data acquisition and control and the operation indicating device 3 outputs circuit as shown in Figure 7 disconnects powering to vehicle.Monitor that the electricity consumption situation of the surface power supply power supply that control and management centre computer 1 collect according to the data acquisition of card using information and preservation and control and operation indicating device 3 and electrical quantity information adds up used time of each car inspection and repair and power consumption and corresponding maintainer's information automatically by the monitoring software system.Monitor that control and management centre computer 1 are published to the electricity consumption situation and the electrical quantity information of used time of each car inspection and repair and power consumption and corresponding maintainer's information and current real-time surface power supply power supply on the local area network (LAN) as server simultaneously, have the personnel of authority to browse these information with browser on network.
Claims (8)
1. passenger vehicle car inspection and repair surface power supply power supply monitoring system is characterized in that: it is made up of the supervision control that the monitoring software system is installed and management centre computer (1), communication network (2), many data acquisitions and control and operation indicating device (3) and a plurality of surface power supply power cabinet electric wirings (4); Described communication network (2) links to each other with control and operation indicating device (3) with described supervision control and management centre computer (1), data acquisition respectively; Described data acquisition links to each other with described surface power supply power cabinet electric wiring (4) with control and operation indicating device (3).
2. passenger vehicle car inspection and repair surface power supply power supply monitoring system as claimed in claim 1 is characterized in that: described data acquisition and control and operation indicating device (3) are made up of communication control unit (31), identification unit (32), electric quantity data acquisition unit (33), voice suggestion and reservation electricity consumption time display unit (34) and switch control input-output unit (35); Described communication control unit (31) links to each other with described communication network (2) and described identification unit (32), electric quantity data acquisition unit (33), voice suggestion and reservation electricity consumption time display unit (34), switch control input-output unit (35) respectively; Described electric quantity data acquisition unit (33) all links to each other with described surface power supply power cabinet electric wiring (4) with described switch control input-output unit (35).
3. passenger vehicle car inspection and repair surface power supply power supply monitoring system as claimed in claim 2, it is characterized in that: described electric quantity data acquisition unit (33) is provided with current sensor and voltage sensor, and this current sensor links to each other with described surface power supply power cabinet electric wiring (4) respectively with voltage sensor.
4. passenger vehicle car inspection and repair surface power supply power supply monitoring system as claimed in claim 2 is characterized in that: described voice suggestion and reservation electricity consumption time display unit (34) are made up of single-chip microcomputer I (341), speech chip (342), power amplifier (343), loudspeaker (344) and operation indicating liquid crystal display circuit (345); Described single-chip microcomputer I (341) links to each other with described communication control unit (31), speech chip (342), operation indicating liquid crystal display circuit (345) respectively; Described power amplifier (343) links to each other with loudspeaker (344) with described speech chip (342) respectively.
5. passenger vehicle car inspection and repair surface power supply power supply monitoring system as claimed in claim 1 is characterized in that: described switch control input-output unit (35) is made up of single-chip microcomputer II (351), five opto-coupler chips (352), three relays (353) and two input modulate circuits (354); Described single-chip microcomputer II (351) links to each other with described communication control unit (31), five opto-coupler chips (352) respectively; Three in the described opto-coupler chip (352) link to each other with three described relays (353) are corresponding one by one respectively, and these three described relays link to each other with described surface power supply power cabinet electric wiring (4) respectively; In the described opto-coupler chip (352) two other links to each other with two described input modulate circuits (354) are corresponding one by one respectively, and these two described input modulate circuits (354) link to each other with described surface power supply power cabinet electric wiring (4) respectively.
6. passenger vehicle car inspection and repair surface power supply power supply monitoring system as claimed in claim 1 is characterized in that: described monitoring software system comprise data management and memory module (5), data network release module (6), real time data is obtained and sending module (7), identity Authority Verification and control module (8) and communication interface modules (9) in real time; Described data management and memory module (5) divide into on-the-spot for electricity consumption situation display module (51), statistical query and Reports module (52), allow power supplies regulation to be provided with that module (53), identity authority and card number are provided with module (54), messaging parameter is provided with module (55) and confession electricity consumption Registration Module (56), wherein should the scene obtain with sending module (7) with described real time data for electricity consumption situation display module (51) and link to each other, this confession electricity consumption Registration Module (56) links to each other with real-time control module (8) with described identity Authority Verification; Described data management and memory module (5) respectively with the network release module (6) of described data, real time data is obtained links to each other with control module (8) in real time with sending module (7), identity Authority Verification; Described real time data is obtained with sending module (7) and is linked to each other with network release module (6), identity Authority Verification and real-time control module (8), the communication interface modules (9) of described data respectively; Described communication interface modules (9) links to each other with described supervision control and management centre computer (1).
7. passenger vehicle car inspection and repair surface power supply power supply monitoring system as claimed in claim 1 is characterized in that: every described data acquisition links to each other with a described surface power supply power cabinet electric wiring (4) with control and operation indicating device (3).
8. passenger vehicle car inspection and repair surface power supply power supply monitoring system as claimed in claim 1 is characterized in that: two described data acquisitions link to each other with a described surface power supply power cabinet electric wiring (4) with control and operation indicating device (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201440338U CN201478878U (en) | 2009-08-26 | 2009-08-26 | Passenger car overhauling ground power supply monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201440338U CN201478878U (en) | 2009-08-26 | 2009-08-26 | Passenger car overhauling ground power supply monitoring system |
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| CN201478878U true CN201478878U (en) | 2010-05-19 |
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| CN2009201440338U Expired - Fee Related CN201478878U (en) | 2009-08-26 | 2009-08-26 | Passenger car overhauling ground power supply monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774094A (en) * | 2017-01-24 | 2017-05-31 | 四川高新轨道交通产业技术研究院 | A kind of railcar base energy-conservation automatic monitored control system |
-
2009
- 2009-08-26 CN CN2009201440338U patent/CN201478878U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774094A (en) * | 2017-01-24 | 2017-05-31 | 四川高新轨道交通产业技术研究院 | A kind of railcar base energy-conservation automatic monitored control system |
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Granted publication date: 20100519 Termination date: 20100826 |