CN104192153A - Rail train controller - Google Patents
Rail train controller Download PDFInfo
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- CN104192153A CN104192153A CN201410376608.4A CN201410376608A CN104192153A CN 104192153 A CN104192153 A CN 104192153A CN 201410376608 A CN201410376608 A CN 201410376608A CN 104192153 A CN104192153 A CN 104192153A
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Abstract
The invention discloses a rail train controller which comprises a rear panel, business boards and a power panel, wherein a circuit designed through PCB wiring and slots connected through the circuit are formed in the rear panel; the business boards are arranged in pairs, and the same pair of business boards has the same function so as to be used for hot standby redundancy; the power panel is provided with two paths of identical independent power circuits to be used for switching any one power supply with failure to another one during failure; the business boards and the power panel are inserted into the slots; and the two independent power circuits on the power panel are respectively used for supplying power to two business boards in the same pair of business boards. The rail train controller disclosed by the invention has the beneficial effects that the business boards with identical functions can be arranged in pairs in the rail train controller and are used for cooperative operations, and when any one of the pair of business boards fails, the control power can be timely switched to the other business board, so that operation of the whole system is not influenced, and a phenomenon that unpredictable results are caused by single-point failure is avoided.
Description
Technical field
The present invention relates to train control system field, relate in particular to track train controller.
Background technology
Train control system has experienced from ground artificial signal to ATC (Automatic Train Control, train automatic controlling system, comprise train automatic protection ATP, automatic train operation ATO, train automatic monitoring ATS) evolution, the domestic import of advanced technology of passing through, digest and assimilate, build China's own brands, and the Digital ATC that merges 3C technology (3C is respectively Communication, Computer and Control, and 3C technology is the communication technology, computer technology and control technology) is by the main flow that is development.The current locomotive particularly function unit of track train is mainly comprised of mechanical contact type relay, ATC sends after control command, the decision circuit consisting of some relays is realized the control function of controlled object, system wiring is complicated, has mechanical fatigue, contact is bad, cost is expensive and the problems such as trouble diagnosing and maintenance difficulty.Current train in the world particularly track train not yet has ripe alternative case, and the development in domestic this field is only in the scientific research stage.
Summary of the invention
Technical matters to be solved by this invention is that existing train control system wiring is complicated, relay easily produces mechanical fatigue, contact is bad, and equipment cost costliness, trouble diagnosing and maintenance difficulty, a kind of track train controller is provided, uses reliable, wiring and easy to maintenance and cost is low.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of track train controller, comprises backboard, business board and power panel; Described backboard is provided with the circuit designing by PCB layout and the slot being connected by this circuit; Described business board arranges in pairs, with a pair of business board, has identical function for hot backup redundancy; Described power panel is provided with independent current source circuit that two-way is identical for being switched to another road when any road power fail; Business board and power panel are plugged in described slot, and the two-way independent current source circuit on power panel is respectively used to as two business board power supplies with in a pair of business board.
Beneficial effect of the present invention is: the business board that can realize identical function in track train controller all arranges in pairs, for collaborative work, any one in a pair of business board breaks down, can in time control be switched to another, so just can not affect the operation of total system, avoid Single Point of Faliure to cause unpredictable consequence.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the track train controller of the embodiment of the present invention.
Fig. 2 is the system chart of an embodiment of the track train controller of the embodiment of the present invention.
Fig. 3 is the core bus schematic diagram of an embodiment of the track train controller of the embodiment of the present invention.
Fig. 4 is the tablet functional block diagram of an embodiment of the track train controller of the embodiment of the present invention.
Fig. 5 is the output board functional block diagram of an embodiment of the track train controller of the embodiment of the present invention.
Fig. 6 is the power panel functional block diagram of an embodiment of the track train controller of the embodiment of the present invention.
Fig. 7 is the control desk functional block diagram of an embodiment of the track train controller of the embodiment of the present invention.
Fig. 8 is the car load network connection schematic diagram of an embodiment of the track train controller of the embodiment of the present invention.
Label declaration: 10, backboard; 11, circuit; 12, slot; 20, business board; 30, power panel.
The specific embodiment
By describing technology contents of the present invention, structural attitude in detail, being realized object and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
The design of most critical of the present invention is: by distributed structure/architecture, same function service plate arrange in pairs realize track train controller and there is hot backup redundancy technology, be convenient to safeguard and safe and reliable object.
Refer to Fig. 1, a kind of track train controller, comprises backboard 10, business board 20 and power panel 30.
Backboard 10 is provided with (the Printed Circuit Board by PCB, printed circuit board, employing electron printing is made, and is the supporter of electronic devices and components and the carrier of electrical connection) circuit 11 and the slot 12 being connected by this circuit 11 of wires design.Business board 20 arranges in pairs, with a pair of business board 20, has identical function for hot backup redundancy.Power panel 30 is provided with independent current source circuit that two-way is identical for being switched to another road when any road power fail.Business board 20 and power panel 30 are plugged in slot 12, and the two-way independent current source circuit on power panel 30 is respectively used to as two business boards, 20 power supplies with in a pair of business board.
From foregoing description, beneficial effect of the present invention is: the business board that can realize identical function in track train controller all arranges in pairs, for collaborative work, any one in a pair of business board breaks down, can in time control be switched to another, like this with regard to and can not affect the operation of total system, avoid Single Point of Faliure to cause unpredictable consequence; In addition, between backboard of the present invention and business board, by plug-in unit mode, assembled, and by PCB layout, complete without any Electric Wires & Cables wiring on backboard, Assembly &Disassembly is very quick, is easy to carry, and integrated level is high, can greatly reduce what maintenance cost of maintenance time, not worry wrong cable.
Wherein, all business boards all can plug, and business board is plugged into after the slot on backboard, and the circuit cabling designing by PCB layout between different business plate connects.
Further, described business board comprises incoming signal interface board, tablet, output board, control desk and output signal interface board.
Seen from the above description, tablet is for detection of the electric switch signal on vehicle; Control desk is for being responsible for the service logic of complete machine; Output board is for the output of logic control signal; Incoming signal interface board and output signal interface board, as the keysets of backboard and external input signal, are realized by PCB layout, and port is used the company's of patching machine to be connected to prevent reversal connection.In addition, can also be according to actual user demand apolegamy network service plate.
Further, CAN on described business board (Controller Area Network, the abbreviation of controller local area network, one of most widely used fieldbus in the world) communication interface is connected for data interaction with the CAN bus on described backboard, described CAN communication interface is provided with two, described CAN bus is provided with two, a CAN communication interface between different business plate connects the CAN bus on backboard, the 2nd CAN communication interface between different business plate connects the 2nd CAN bus, a CAN bus and the 2nd CAN bus hot backup redundancy on backboard.
Seen from the above description, a CAN bus and the 2nd CAN bus hot backup redundancy, any one group of communication bus does not affect system performance while breaking down.
Further, between a pair of described business board of hot backup redundancy, be provided with the communication link for data interaction, described communication link is used for the plug event of carrying out data backed up in synchronization and surveying another business board.
Seen from the above description, the level state of the hardware line by another business board of communication link perception between a pair of business board is surveyed the plug event of another business board, guarantee that at needs, carrying out reaching actv. when control is switched switches effect, make better collaborative work between every a pair of business board, reach best hot backup redundancy effect.
Further, described slot is provided with a unique slot number, and this slot number can be read for making business board obtain self residing location information by business board after described business board inserts.
Seen from the above description, on backboard, the slot position of each business board is equipped with a unique slot number, it is coded message, after business board insertion powers on, can read this coding, thereby obtain self residing position, wrong plug business board plate can be identified and point out, separately in the signal definition of back panel connector, there is the compatibility of signal type, avoid wrong plug plate to cause and burn plate phenomenon.
Further, described at least one, track train controller is installed in different railway cars, between track train controller by two independently bus interconnect.
Seen from the above description, can carry out cascade expansion from the interface of the bus of each track train controller, and on end truck controller, carry out communication with train microcomputer network control system according to the communication modes of train microcomputer network control system, at this moment hold car network board can realize the mutual of car load logic controller system and train microcomputer network control system as the transfer of data and control center.
Please refer to Fig. 2 to Fig. 8, embodiments of the invention are: a kind of track train controller is applied on subway train, use contactless electron circuit softPLC scheme to substitute the relay logic circuit control program that has mechanical contact, separately there is the functions such as hot backup redundancy.
The present embodiment is in subway train equipment cabinet, according to the space requirement of equipment cabinet, adopt rack fastened by screw to install, adopt aluminum alloy material, weight is no more than 10kg, operating ambient temperature is-25 ℃～70 ℃, and degree of protection IP20 adopts surperficial anode oxidation process and naturally cooling radiating mode.
The track train controller of the present embodiment adopts the structural pattern of standard 3U cabinet, and its feature card plate falls into 5 types, and is respectively: tablet, output board, control desk, power panel and network service plate (apolegamy).
Incoming signal interface board and output signal interface board connect respectively the incoming signal of cabinet and output signal line, the three pairs of tablets are responsible for the service logic of complete machine for detection of the electric switch signal on vehicle, pair of control plate, the output of two pairs of defeated responsible logic control signals of output board, the identical and separate insulating power supply of built-in two cover of a block power supply plate.All business boards can plug, and at cabinet back Design PCB backboard, backboard is provided with slot for patching each business board, between business board, be connected by PCB cabling between business board and connection jaws.Business data information between boards carries out as medium by " U-shaped " CAN bus on backboard alternately.
Electric switch signal on train is transferred to cabinet by wire, the wire that connects cabinet end need be plugged into by the mode of crimping on the adaptor union mating with cabinet, be connected with cabinet, input adaptive electric is 110V and 24V with output type signal level again.On every business board panel, be equipped with 4 indicator lamps, for active/standby, fault, work, communication indication.Wherein every two blocks of adjacent identical services plates are put as an assembly of mutually standby redundancy, when wherein a business board breaks down, automatically switch to another piece business board work, obtain control, active/standby indicator lamp is used to indicate the current business board that has control, and another business board is in standby ready or fault closed condition.Indicator lamp on tablet panel is used to indicate the state of incoming signal, and lamp is bright to be indicated that input, lamp are gone out and indicate without input.On control desk panel, be designed with two DB9 interfaces (D type 9 pin data interface connectors, for connecting electronic equipment), be respectively used to the network communication interface between complete machine maintenance interface and compartment.On output board panel, be designed with logic light and the actual output state indicator lamp of State-output, whether effective for intuitive judgment output.On power panel panel, be designed with two DB9 interfaces, an interface is used for configuring cabinet at the coding of car load (network) system, another interface, for carrying out the repeatedly cascade of cabinet, can carry out flexible configuration and the Function Extension of resource, and indicator lamp is used to indicate Power supply state.
Figure 2 shows that system chart, all business boards and power panel all patch on backboard, in diagram, adjacent identical plate A and plate B are respectively as a pair of business board of hot backup redundancy, and business board comprises tablet, output board, control desk, signal input interface plate and signal output interface plate.External input signal line is assigned to each tablet by the incoming signal interface of signal input interface plate and the PCB cabling on backboard, the output signal of output board is connected to by backboard on the output signal interface of signal output interface plate, is connected with outside output control line.Complete machine power supply is introduced backboard, the power taking from backboard power source bus of each business board from output signal interface board.All business boards are all plugged on backboard in plug-in unit mode, and the relation and the relation between business board and outer signals that on backboard, by PCB layout, design between each business board are the underlying carriers of system schema.All input signal cables are divided into 3 groups on backboard, be connected respectively on the pin position of 3 groups of tablet slots, each group tablet A is identical with the signal that B detects, the mutually standby redundancy of A plate and B plate, similar with it, output board is divided into two groups, and output signal line is connected to output interface by backboard, there is one group of control desk, the built-in two cover same power supplies of power panel.
On backboard, the slot position of each business board is equipped with a unique coded message, is called slot number, after business board insertion powers on, can read this coding, thereby obtains self residing position.At each slot position, being also designed with can be from the cabinet coding of exterior arrangement, and business board can read the coded message of place cabinet after inserting.
Every business board is all designed with treater and CAN communication interface, and all business boards carry out data interaction by the CAN bus on backboard, and control desk, as data processing and headend, is responsible for the core business of system.Every business board open two CAN communication interfaces on backboard, are respectively CAN3 and CAN4, and the CAN3 interface of all business boards is articulated on same bus, and the CAN4 interface of all business boards is articulated on same bus.CAN3 and CAN4 hot backup redundancy, any one group of communication bus does not affect system performance while breaking down.CAN3 and CAN4 bus are " U-shaped " winding in cabinet, and one end enters from the DB9 interface of power panel, articulate after all Peripheral Interfaces on backboard, again get back to the DB9 interface of power panel as the other end.This design can conveniently be carried out the expansion of multistage cabinet or be carried out the multi-tier of other functional product.
Figure 3 shows that core bus schematic diagram, in figure, dotted line represents the turn back line of CAN bus in cabinet, and solid line entrance connects upstream equipment, if connect terminal resistance without upstream equipment, dotted line entrance connects upstream device, if connect terminal resistance without upstream device.
For making A plate and the better collaborative work of B plate in each group business board, reach best hot backup redundancy effect, between A plate on backboard and B plate slot, designed mutual exclusive data interaction communication link, can carry out at any time the backed up in synchronization of data, by the level state of hardware line, survey the other side's plug event, guarantee that at needs, carrying out reaching actv. when control is switched switches effect.
In addition, in the signal definition of back panel connector, consider the compatibility of signal type, avoid wrong plug business board to cause and burn plate phenomenon.Because the business board of every type has coding, the groove position that it can take can be configured, and when wrong plug business board, also can be identified, protect and be reminded by the encoding mechanism having configured.
Signal input interface plate and signal output interface plate, as the keysets of backboard and external input signal, are realized by PCB layout, and port is used insertion connector to be connected, anti-reverse.
Figure 4 shows that tablet functional block diagram, tablet is set the number of channels of circuit for checking input signals according to the actual requirements, mainly for detection of external switch incoming signal.Circuit for checking input signals adopts electrical isolation design, the extraneous low and high level incoming signal with certain domain of walker is converted to CMOS (Complementary Metal Oxide Semiconductor, complementary metal oxide semiconductor) level, through level conversion and after processing, by treater read signal level.Meanwhile, the state of incoming signal shows on indication panel, and when incoming signal is high level, corresponding LED (Light Emitting Diode, light-emitting diode) status indicator lamp is lighted, and during without incoming signal, LED extinguishes.
In tablet, designed the self check scheme of input circuit, at each input circuit signal input port place, by two inputs or logic, formed, one of them input end connects outward sign, be called actual signal input end, another input end signal can produce and close in plate, is called self-test signal input end.In the time need to carrying out the self check judgement of circuit, by Software for Design, open the detection that self-test signal carries out circuit, if detect fault, occur, carry out failure handling mechanisms.The actual signal input end of tablet A and tablet B is identical, realizes same signal source and has redundant detection passage, multiplexed detection and confirmation method.
Designed in addition two-way CAN interface, for accessing backboard CAN network; Design a-road-through communication interface and rigid line interface channel are exclusively used in standby plate and carry out mutual and plug detection; Design respectively business board type and the groove position coded system of 4, the program that will carry out for software identification; Possesses in addition basic maintenance interface.
Figure 5 shows that output board functional block diagram, output board is set the number of channels of output driving circuit according to the actual requirements, is mainly used in controlling driving external loading.Output driving circuit adopts electrical isolation design, the CMOS logic control signal that treater is sent is converted to the driving signal of low and high level, the driving signal of final output is by the backfeed loop of electrical isolation, convert again CMOS level to, by treater, read feedback signal, with closed loop detection mode, judge that whether output drive signal is normal.Meanwhile, the feedback states of logic control instruction state and output drive signal shows respectively on indication panel, and when output logic is high level, corresponding command status LED and feedback states LED lamp are lighted, otherwise should extinguish.
The driving signal output part of output board A and output board B is identical, realizes the method for the standby drive source of having of same load, multiplexed detection and confirmation.Each output drive source opens or closes by software; there is overcurrent and short-circuit protection function; drive source power supply place at output board arranges MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor; metal oxide layer semiconductor field-effect transistor) main supply switch; when load abnormal, drive source and load reliably can be disconnected.
Designed in addition two-way CAN interface, for accessing backboard CAN network; Design a-road-through communication interface and rigid line interface channel are exclusively used in standby plate and carry out mutual and plug detection; Design respectively business board type and the groove position coded system of 4, the program that will carry out for software identification; Possesses in addition basic maintenance interface.
Figure 6 shows that power panel functional block diagram, the independent current source circuit that the built-in two-way of power panel is identical, input voltage range is 43V～160V, exporting constant is 5V, input and output isolation.Two-way 5V output voltage altogether, is powered to A group business board and B group business board respectively by backboard cabling, if any road power supply breaks down, switches to another road, and working group switches accordingly between A plate group and B plate group.Power panel has output over-voltage protection, output overloading protection, short-circuit protection and fault from functions such as recoveries.Bus CAN3 and CAN4 are connected to the DB9 interface of power panel front panel by backboard, can carry out cascade or the Function Extension of cabinet.
Figure 7 shows that control desk functional block diagram, control desk is responsible for the core business of system, is aggregation process and the Distribution Center of data, has the highest control authority.
Control desk design Liao Si road CAN interface, wherein two-way CAN3 and CAN4 are used for accessing backboard CAN network, and another two-way CAN1 and CAN2 adopt isolation design, and CAN1 and CAN2 are connected to the DB9 interface of front panel, as the communication interface between car joint; Another design a-road-through communication interface and rigid line interface channel are exclusively used in standby plate and carry out alternately and plug surveying; Design respectively business board type and the groove position coded system of 4 and for software, identify the program that will carry out; Possess in addition basic maintenance interface, the DB9 interface that wherein two-way serial ports is connected to front panel is for customization, and the curing program of all business boards can be upgraded by this interface in addition.
Figure 8 shows that car load network connection schematic diagram, distribute at least one controller to each car joint, CAN1 and CAN2 bus are guided to respectively a joint of every train, by A and two joints of B, CAN1 (CAN2) is connected to the DB9 interface of the CAN1 (CAN2) of two control desks of controller again, like this CAN1 of all master control boards is connected on same bus, the CAN2 of all master control boards is connected on same bus.Can from each controller power source plate panel, carry out cascade expansion by the DB9 interface of CAN3/CAN4 in addition.According to TCMS (TrainControl and Management System, Train Control and management system) the communication modes of microcomputer network control system, as MVB (Multifunction Vehicle Bus, MVB. be a part of train communication network TCN) or ethernet, can on end truck controller, configure MVB or ethernet board, carry out communication with TCMS, at this moment hold car network board as transfer and the control center of data, realize the mutual of car load logic controller system and TCMS.
Function of the present invention, beneficial effect and difference with the prior art point are:
1. there is hot backup redundancy function, when break down in a single point position in electric system, can in time trouble point be disconnected or shield and enable extension wire, avoid because Single Point of Faliure causes unpredictable consequence.And the electric system of prior art does not have redundancy feature mostly, only have the special key signal of minority to there is redundant measure.
2. by plug-in unit mode, assembled, Assembly &Disassembly is very quick, is easy to carry, and integrated level is done, and can greatly reduce maintenance time and maintenance cost, and embedded software technology needs to spend maintenance time hardly.And prior art, adopt discrete contactless switch to form, electric system is complicated, needs periodical maintenance, and maintenance workload is very big, and Assembly &Disassembly is time-consuming, and only removing and installing a contactless switch needs tens minutes.
3. need be connected with outward sign by adaptor union, innerly without any Electric Wires & Cables, connect up, by PCB layout, complete, not worry wrong cable, easy to use, raise the efficiency.And prior art is coupled together each parts or unit by various cable wiring conventionally, the coupling between parts is strong, must guarantee that unit wiring is correct, brings larger difficulty to installation, maintenance and trouble diagnosing and processing.
4. can carry out easily by software channel configuration or the customization of function and logic, also can for secondary development, customize by opening and developing interface.And prior art does not have this feature.
5. maintenance interface is unified in the intellectuality with standard, running state information that can register system, and historic state has mark to follow.And prior art is immature or do not possess this feature.
6. can carry out easily Function Extension or multi-stage cascade.And prior art does not possess this feature.
7. use semi-conductor electricity sub-element substantially not affected by environment, the life-span is long, response is fast and stable, can frequent starting, be convenient to integrated, without electric arc, electromagnetic compatibility problem, reliable and safe.And existing locomotive adopts mechanical contact class relay more, easily affected by environment, oxidizable, easy to wear, the life-span is short and fixing, and slow motion and may have shake is installed area occupied large, during action, may produce electric arc, and electromagnetic compatibility, reliable and safety is general.
8. there is safety on line detection technique; electronic circuit not only possesses basic safety method, and can by software power-on self-test, regularly selfdiagnosis, by all kinds of means survey single point signals, closed loop detect output signal, when occurring when abnormal to carry out selfdiagnosis, to extremely arbitrating and carry out related mechanism etc.And prior art does not possess this feature substantially.
9. can conveniently access entire-vehicle network control system.And existing technology does not possess this feature.
In sum, track train controller provided by the invention substitutes traditional mechanical contact class relay electric control system with the present invention in subway train and electric locomotive, safe reliability is higher, the complexity of system will greatly be simplified, real realization is intelligent to be controlled, and is convenient to safeguard and maintenance.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalents of utilizing specification sheets of the present invention and accompanying drawing content to do, or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. a track train controller, comprises backboard, business board and power panel, it is characterized in that,
Described backboard is provided with the circuit designing by PCB layout and the slot being connected by this circuit;
Described business board arranges in pairs, with a pair of business board, has identical function for hot backup redundancy;
Described power panel is provided with independent current source circuit that two-way is identical for being switched to another road when any road power fail;
Business board and power panel are plugged in described slot, and the two-way independent current source circuit on power panel is respectively used to as two business board power supplies with in a pair of business board.
2. track train controller according to claim 1, is characterized in that, described business board comprises incoming signal interface board, tablet, output board, control desk and output signal interface board.
3. track train controller according to claim 2, is characterized in that, described business board also comprises network service plate.
4. track train controller according to claim 1, it is characterized in that, CAN communication interface on described business board is connected for data interaction with the CAN bus on described backboard, described CAN communication interface is provided with two, described CAN bus is provided with two, a CAN communication interface between different business plate connects the CAN bus on backboard, the 2nd CAN communication interface between different business plate connects the 2nd CAN bus, a CAN bus and the 2nd CAN bus hot backup redundancy on backboard.
5. track train controller according to claim 1, it is characterized in that, between a pair of described business board of hot backup redundancy, be provided with the communication link for data interaction, described communication link is used for the plug event of carrying out data backed up in synchronization and surveying another business board.
6. track train controller according to claim 1, is characterized in that, described slot is provided with a unique slot number, and this slot number can be read for making business board obtain self residing location information by business board after described business board inserts.
7. track train controller according to claim 1, is characterized in that, described at least one, track train controller is installed in different railway cars, between track train controller by two independently bus interconnect.
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| CN105703943A (en) * | 2015-12-31 | 2016-06-22 | 北京航管软件技术有限公司 | Device for switching communication lines |
| CN106059725A (en) * | 2016-07-21 | 2016-10-26 | 中铁二院重庆勘察设计研究院有限责任公司 | Vehicle-mounted dual hot standby system for rail tram |
| CN110741322A (en) * | 2017-07-07 | 2020-01-31 | 欧姆龙株式会社 | Control system and control method |
| CN110741322B (en) * | 2017-07-07 | 2022-08-12 | 欧姆龙株式会社 | Control system and control method |
| CN108052194A (en) * | 2017-11-13 | 2018-05-18 | 北京全路通信信号研究设计院集团有限公司 | Computer backboard, computer platform and computer fusion system |
| CN108803420A (en) * | 2018-06-02 | 2018-11-13 | 新乡市光明电器有限公司 | Military mobile unit collection control circuit |
| CN108803420B (en) * | 2018-06-02 | 2024-05-10 | 新乡市光明电器有限公司 | Centralized control circuit for military vehicle-mounted equipment |
| WO2020206844A1 (en) * | 2019-04-10 | 2020-10-15 | 中车大连机车研究所有限公司 | General smart control device for locomotive air conditioner |
| CN110936985A (en) * | 2019-12-25 | 2020-03-31 | 交控科技股份有限公司 | TCMS and ATO integrated vehicle-mounted equipment, method and train |
| CN114518724A (en) * | 2022-01-28 | 2022-05-20 | 弥费实业(上海)有限公司 | Communication device and communication mode suitable for AMHS |
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Address after: 518000 MATTEL Industrial Park, Guihua Road, Baoan District Guanlan Road, Shenzhen, Guangdong 3, China Applicant after: SHENZHEN TONGYE TECHNOLOGY CO., LTD. Address before: 518000, Shenzhen, Guangdong province Baoan District Guanlan street, sweet scented osmanthus community tour road MATTEL Industrial Park, No. 3 factory building Applicant before: Shenzhen Tongye Technology Development Co., Ltd. |
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Effective date of registration: 20190530 Address after: 518000 1st to 4th floors of No. 3 Maytai Industrial Park, Guihua Community Tourist Road, Guanlan Street, Longhua New District, Shenzhen City, Guangdong Province Co-patentee after: Shenzhen Metro Operation Group Co., Ltd. Patentee after: SHENZHEN TONGYE TECHNOLOGY CO., LTD. Address before: 518000 Meitai Industrial Park, Guihua Community Tourist Road, Guanlan Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN TONGYE TECHNOLOGY CO., LTD. |
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Inventor after: Le Jianrui Inventor after: Kang Yafan Inventor after: Li Hengrui Inventor after: Hou Wenjun Inventor after: Wang Wenhui Inventor before: Le Jianrui Inventor before: Kang Yafan Inventor before: Li Hengrui |