CN204331457U - Model vehicle pull test system - Google Patents
Model vehicle pull test system Download PDFInfo
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- CN204331457U CN204331457U CN201420760769.9U CN201420760769U CN204331457U CN 204331457 U CN204331457 U CN 204331457U CN 201420760769 U CN201420760769 U CN 201420760769U CN 204331457 U CN204331457 U CN 204331457U
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Abstract
The utility model provides a kind of model vehicle pull test system, and wherein, this system comprises: control module on terrestrial contr and car, control module wireless connections on terrestrial contr and car; Terrestrial contr comprises ground master controller and ground-based transceiver, and on car, control module to comprise on car transceiver on master controller and car; Ground master controller produces the first test instruction, and by ground-based transceiver, the first test instruction is sent to control module on car; On car, master controller is by transceivers on car first test instruction, and tests according to the trailer system of the first test instruction to model vehicle.Achieve the object of the operation of wireless remote test trailer system, operating personnel are tested trailer system without the need to directly entering in model vehicle, and the high-tension apparatus avoided in trailer system causes danger and personal injury to operating personnel.
Description
Technical field
The utility model relates to technology of track traffic, particularly relates to a kind of model vehicle pull test system.
Background technology
Along with the development of urban modernization, increasing rail vehicle is applied in field of track traffic.After the trailer system producing rail vehicle, after needing to test the performance of trailer system, trailer system could be installed in rail vehicle.
In prior art when testing trailer system, trailer system being installed in model vehicle and testing.After operating personnel enter the operation room of model vehicle, on car on model vehicle, controller obtains the instruction of operating personnel's input, and instruction is sent to trailer system, the motor of trailer system driving model vehicle is made to run or stop, thus whether test trailer system can normally run, test result be trailer system normal time, then trailer system is installed to the operation carrying out rail vehicle in rail vehicle.
But in the prior art, need operating personnel to enter in model vehicle and utilize master controller on car to test trailer system, but due to the equipment in trailer system be all high-tension apparatus, for operating personnel, there is certain danger; And these high-tension apparatuses can produce supervoltage radiation, certain personal injury can be caused to operating personnel.
Utility model content
The utility model provides a kind of model vehicle pull test system, in order to solve in prior art when testing trailer system, because operating personnel need to enter in model vehicle, trailer system is tested, and the high-tension apparatus of trailer system forms danger to human body and causes the problem of personal injury.
A kind of model vehicle pull test system of the present utility model, comprising:
Control module on terrestrial contr and car, control module wireless connections on described terrestrial contr and described car;
Described terrestrial contr comprises ground master controller and ground-based transceiver, and on described car, control module to comprise on car transceiver on master controller and car;
Described ground master controller produces the first test instruction, and by described ground-based transceiver, described first test instruction is sent to control module on described car;
On described car, master controller is by the first test instruction described in transceivers on described car, and tests according to the trailer system of described first test instruction to described model vehicle.
The utility model is by by control module wireless connections on terrestrial contr and car, and wherein, terrestrial contr comprises ground master controller and ground-based transceiver, and on car, control module to comprise on car transceiver on master controller and car; Ground master controller produces the first test instruction, and by ground-based transceiver, the first test instruction is sent to control module on car, on car, master controller is by transceivers on car first test instruction, and tests according to the trailer system of the first test instruction to described model vehicle.Thus achieving the object of the operation of wireless remote test trailer system, operating personnel are tested trailer system without the need to directly entering in model vehicle, and the high-tension apparatus avoided in trailer system causes danger and personal injury to operating personnel.
Accompanying drawing explanation
The structural representation of a kind of model vehicle pull test system that Fig. 1 provides for the utility model embodiment one;
The structural representation of a kind of model vehicle pull test system that Fig. 2 provides for the utility model embodiment two;
The structural representation of a kind of model vehicle pull test system that Fig. 3 provides for the utility model embodiment three;
The structural representation of a kind of model vehicle pull test system that Fig. 4 provides for the utility model embodiment four.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The structural representation of a kind of model vehicle pull test system that Fig. 1 provides for the utility model embodiment one, as shown in Figure 1, the model vehicle pull test system that the present embodiment provides, comprise: control module 12 on terrestrial contr 11 and car, terrestrial contr 11 and control module 12 wireless connections on car; Terrestrial contr 11 comprises ground master controller 111 and ground-based transceiver 112, and on car, control module 12 to comprise on car transceiver 122 on master controller 121 and car; Ground master controller 111 produces the first test instruction, and by ground-based transceiver 112, first test instruction is sent to control module 12 on car; On car, master controller 121 receives the first test instruction by transceiver on car 122, and tests according to the trailer system 13 of the first test instruction to described model vehicle.
In the present embodiment, concrete, control module 12 on car is set in model vehicle, terrestrial contr 11 is set at operation room, be set to needing the trailer system 13 be installed in rail vehicle in model vehicle and be used for test, trailer system 13 is connected with control module on car 12; Terrestrial contr 11 and control module 12 wireless connections on car; Terrestrial contr 11 comprises ground master controller 111 and ground-based transceiver 112, and ground master controller 111 is connected with ground-based transceiver 112; On car, control module 12 to comprise on car transceiver 122 on master controller 121 and car, and on car, master controller 121 is connected with transceiver on car 122.Ground master controller 111 produces the first test instruction, first test instruction is sent to ground-based transceiver 112, after first test instruction is converted to the first test instruction meeting wireless transmission protocol by ground-based transceiver 112, the first test instruction meeting wireless transmission protocol is sent to transceiver 122 on the car of control module 12 on car by ground-based transceiver 112.On car, the first test instruction meeting wireless transmission protocol received is converted to the first test instruction meeting wired data by transceiver 122, and on car, the first test instruction meeting wired data is sent to master controller 121 on car by transceiver 122.On car, master controller 121 goes to test the trailer system 13 of model vehicle according to the first test instruction meeting wired data.Thus remove to test trailer system 13 whether can the motor operation of driving model vehicle normally, test result be trailer system 13 can go normally driving model vehicle motor run in, prove the working properly of this trailer system 13, just can trailer system 13 be installed in rail vehicle, make rail vehicle enter normal operating condition.
For example, if this first test instruction meeting wired data is enabled instruction, then on car, master controller 121 controls the motor rotation that trailer system 13 removes driving model vehicle; If this first test instruction meeting wired data is halt instruction, then on car, master controller 121 controls trailer system 13 and goes the motor of driving model vehicle to shut down; If this first test instruction meeting wired data is the maximal rate of limited model vehicle, then on car master controller 121 control trailer system 13 go the motor of driving model vehicle according to preset requirement operate.
The present embodiment is by by terrestrial contr 11 and control module 12 wireless connections on car, and wherein, terrestrial contr 11 comprises ground master controller 111 and ground-based transceiver 112, and on car, control module 12 to comprise on car transceiver 122 on master controller 121 and car; Ground master controller 111, for generation of the first test instruction, sends to master controller 121 on car by transceiver 122 on ground-based transceiver 112 and car, and on car, master controller 121 is tested according to the trailer system 13 of the first test instruction to model vehicle.Thus provide the system that the test of a kind of long distance wireless is installed to the trailer system 13 in model vehicle, make operating personnel long-rangely wirelessly can test the operation conditions of trailer system 13, operating personnel are without the need to close contact to the trailer system 13 be installed on model vehicle, and the high-tension apparatus avoided in trailer system 13 causes the person to threaten and injury to human body.
The structural representation of a kind of model vehicle pull test system that Fig. 2 provides for the utility model embodiment two, as shown in Figure 2, on the basis of above-described embodiment, the model vehicle pull test system that the present embodiment provides, on car master controller 121 also for: obtain the work state information produced when trailer system 13 runs, and by transceiver on car 122, work state information sent to ground master controller 111.
Terrestrial contr 11, also comprises: status displays 113, and status displays 113 is connected with ground master controller 111; Ground master controller 111 also for receiving work state information, and passes through status displays 113 display working condition information.
Ground master controller 111 also for: receive the second test instruction generated according to work state information, and the second test instruction sent to master controller 121 on car by ground-based transceiver 112.
In the present embodiment, concrete, be installed to the trailer system 13 in model vehicle, when running under the control of master controller 121 onboard, work state information can be generated, voltage and current of such as, each equipment in the travel speed of traction convertor driving model vehicle operating, the acceleration of traction convertor driving model vehicle operating, trailer system 13 etc. information.On car, master controller 121 obtains the work state information in trailer system 13, sends it to transceiver 122 on car, is wirelessly sent to ground-based transceiver 112 by transceiver on car 122, then passed to ground master controller 111 by ground-based transceiver 112.And, terrestrial contr 11 also comprises a status displays 113, status displays 113 is connected with ground master controller 111, and ground master controller 111 will receive work state information and be sent in status displays 113, and these work state informations show by status displays 113; Thus status displays 113 is according to the information of each reflection trailer system current operating conditions in current work state information, generates the second test instruction; Ground master controller 111 sends the information transferring the second test instruction to status displays 113, make status displays 113 that second instruction is sent to ground master controller 111; The second test instruction received is sent to master controller 121 on car by transceiver 122 on ground-based transceiver 112, car by ground master controller 111, makes master controller 121 on car go to test the operation of trailer system 13 according to the second test instruction again.
In addition, for example, the principle of work of the model vehicle pull test system that the present embodiment provides is: on car, master controller 121 obtains the travel speed of the traction convertor driving model vehicle operating in trailer system 13, the travel speed of traction convertor driving model vehicle operating is sent to master controller 121 on car, and on car, the travel speed of traction convertor driving model vehicle operating is sent to ground master controller 111 by transceiver on car 122, ground-based transceiver 112 by master controller 121; Then the travel speed of traction convertor driving model vehicle operating sends to status displays 113 to show by ground master controller 111; Operating personnel, according to the travel speed of the traction convertor driving model vehicle operating demonstrated, can input new Vehicle Speed or acceleration in status displays 113; Ground master controller 111 obtains new Vehicle Speed in status displays 113 or acceleration, is generated as the second test instruction, then the second test instruction is sent to master controller 121 on car by transceiver 122 on ground-based transceiver 112, car; On car, the second test instruction received is sent to trailer system 13 by master controller 121, and trailer system 13 makes model vehicle run according to the second test instruction, and then whether test trailer system 13 can run according to the requirement of the second test instruction.
The present embodiment by providing the status displays 113 be connected with ground master controller 111, work state information status displays 113 can being received produce when master controller 121 is run by the trailer system 13 that transceiver on car 122, ground-based transceiver 112 and ground master controller 111 send on car; Work state information shows by status displays 113, and generate the second test instruction according to work state information, the second test instruction obtained is sent to master controller 121 on car by transceiver 122 on ground-based transceiver 112 and car by ground primary controller, makes trailer system 13 change the running status of model vehicle according to the second test instruction.Thus achieve wirelessly, whether real-time test trailer system 13 can driving model vehicle operating as requested, and then the operation conditions of real-time test trailer system 13.
The structural representation of a kind of model vehicle pull test system that Fig. 3 provides for the utility model embodiment three, as shown in Figure 3, on the basis of above-described embodiment, the model vehicle pull test system that the present embodiment provides, terrestrial contr 11, also comprise: input and output collector 114, input and output collector 114 is connected with ground master controller 111 and trailer system working station indicator 14 respectively; Ground master controller 111 is also for sending to input and output collector 114 by work state information; Input and output collector 114 is for carrying out the control of display state according to work state information to trailer system working station indicator 14; 3rd test instruction also for receiving the 3rd test instruction generated according to the display state of trailer system working station indicator 14, and is sent to ground master controller 111 by input and output collector 114; Ground master controller 111 also for: generate the 4th test instruction according to the second test instruction and the 3rd test instruction, and the 4th test instruction sent to master controller 121 on car by ground-based transceiver 112.
In the present embodiment, concrete, ground master controller 111 connects an input and output collector 114, and input and output collector 114 is connected with trailer system working station indicator 14.Ground master controller 111 receives the work state information that on car, control module 12 sends, and work state information is sent to input and output collector 114 by ground master controller 111; Input and output collector 114 generates pilot lamp control signal according to the work state information received, pilot lamp control signal is sent to the trailer system working station indicator 14 be connected with input and output collector 114, and then control the display state of trailer system working station indicator 14.Input and output collector 114 receives the 3rd test instruction, and the 3rd test instruction is that the display state of foundation trailer system working station indicator 14 generates; Ground master controller 111 sends the information transferring the 3rd test instruction to input and output collector 114, make input and output collector 114 that the 3rd test instruction is sent to ground master controller 111, simultaneously, ground master controller 111 can send to status displays 113 information transferring the second test instruction, makes status displays 113 that second test instruction is sent to ground master controller 111; Second test instruction and the 3rd test instruction are merged into the 4th test instruction by ground master controller 111, by master controller 121 on transceiver 122, car on ground-based transceiver 112, car, the 4th test instruction are sent to trailer system 13; Trailer system 13 according to the 4th test instruction, the traveling of driving model vehicle.Thus whether normally can run according to test instruction in test trailer system 13.
In addition, the principle of work of model vehicle pull test system that the present embodiment provides is following content.After ground master controller 111 receives the work state information that on car, control module 12 sends, work state information is sent to status displays 113 and input and output collector 114.Input and output collector 114 generates control signal according to the work state information received and sends to trailer system working station indicator 14, control the change of trailer system working station indicator 14, thus operating personnel are according to the change operational order of trailer system working station indicator 14; Status displays 113 will receive work state information and show, thus operating personnel are according to displaying contents, input operation order in status displays 113; Operating personnel can send different orders to input and output collector 114 and status displays 113, make input and output collector 114 that the 3rd test instruction received is sent to ground master controller 111, the second test instruction received is sent to ground master controller 111 by status displays 113, and the second test instruction and the 3rd test instruction are merged into the 4th test instruction and sent to master controller 121 on car by ground master controller 111.For example, if work state information represents that the traction convertor in the trailer system 13 of Current vehicle quits work, traction convertor pilot lamp then in trailer system working station indicator 14 extinguishes, operating personnel send the 3rd test instruction starting traction convertor to input and output collector 114 by switch, in status displays 13, search out the corresponding operating state data of traction convertor simultaneously, and in status displays 113, input the second test instruction of vehicle peak acceleration, ground master controller 111 obtains the second test instruction and the 3rd test instruction, and they are merged into the 4th test instruction and send to trailer system 13 by master controller on car 121, traction convertor in trailer system 13 is run according to the 4th test instruction, traction convertor controls travel speed and the acceleration of vehicle, and then whether the traction convertor can tested in trailer system 13 normally can run according to test instruction.
The present embodiment is by providing the input and output collector 114 be connected with ground master controller 111 and trailer system working station indicator 14, make input and output collector 114 carry out the control of display state to trailer system working station indicator 14 according to the work state information received, thus make operating personnel get information about the running status of trailer system 13, and, input and output collector 114 can generate the 3rd test instruction according to the display state of trailer system working station indicator 14, make ground master controller 111 that second test instruction and the 3rd test instruction are generated the 4th test instruction, and the 4th test instruction is sent to master controller 121 on car, thus be conducive to the change of operating personnel according to trailer system working station indicator 14, corresponding trailer system running state parameter is found more fast in status displays 113, by input and output collector 114 and status displays 113, new test instruction is sent to master controller 121 on car, thus test the trailer system 13 be connected with master controller on car 121, whether can travel according to new test instruction driving model vehicle.
Further, on the basis of above-described embodiment, the model vehicle pull test system that the present embodiment passes through, ground master controller 111 also for: detect and wireless connections on car between master controller 121 whether normal; If abnormal, then send a warning message to described status displays 113.
On car master controller 121 also for: detect and ground master controller 111 between wireless connections whether normal; If abnormal, then send to trailer system 13 and stop test instruction, stop test instruction being used to indicate trailer system 13 out of service.
In the present embodiment, concrete, whether the wireless connections that ground master controller 111 detects master controller 121 on itself and car are normal, if ground master controller 111 does not receive the wireless signal that ground-based transceiver 112 sends within the time of presetting, then think that ground master controller 111 is abnormal with the wireless connections of master controller 121 on car; Ground master controller 111 sends a warning message to status displays 113, makes operating personnel go to detect wireless connections.And, whether the wireless connections that on car, master controller 121 detects between itself and ground master controller 111 are normal, if master controller 121 does not receive the wireless signal that transceiver 122 on car sends within the time of presetting on car, then think that master controller 121 is abnormal with ground master controller 111 wireless connections on car; On car, master controller 121 sends to trailer system 13 and stops test instruction, and make model vehicle out of service, when avoiding wireless telecommunications exception, the operation of model vehicle is out of control.
The structural representation of a kind of model vehicle pull test system that Fig. 4 provides for the utility model embodiment four, as shown in Figure 4, on the basis of above-described embodiment, trailer system 13 comprises at least one in following device: traction convertor 131, AuCT 132, DC converter (Dirrect Current/Dirrect Current is called for short DC/DC) 133, super capacitor 134.On car, master controller 121 is connected with traction convertor 131, AuCT 132, DC/DC133 and super capacitor 134 by distributed network on car.
In the present embodiment, concrete, trailer system 13 includes the parts such as traction convertor 131, AuCT 132, DC/DC133 and super capacitor 134; Wherein, on car, master controller 121 is connected with traction convertor 131, AuCT 132, DC/DC133 and super capacitor 134 by the site in distributed network; Traction convertor 131 is connected with AuCT 132, and DC/DC133 is connected with super capacitor 134, and super capacitor 134 is connected with traction convertor 131.
In addition, the principle of work of model vehicle pull test system that the present embodiment provides is following content.On car, the first test instruction or the 4th test instruction are sent to trailer system 13 by master controller 121; Traction convertor 131 in trailer system 13 receives the first test instruction or the 4th test instruction, traction convertor 131 runs according to the motor of order-driven model vehicle, in the process that traction convertor 131 normally runs, AuCT 132 drives the fan operation in traction convertor 131, thus dispels the heat for traction convertor 131; Further, the DC/DC133 in trailer system 13 receives the charge information in the first test instruction or the 4th test instruction that on car, master controller 121 sends, and DC/DC133 charges to super capacitor 134; DC/DC133 in trailer system 13 receives the discharge information in the first test instruction or the 4th test instruction that on car, master controller 121 sends, DC/DC133 controls super capacitor 134 and provides electric capacity to traction convertor 131, makes the motor rotation of traction convertor 131 driving model vehicle.On car, master controller 121 obtains the work state information in trailer system 13, work state information comprises the running state data of traction convertor 131, as traction convertor 131 driving model vehicle travel speed and acceleration, traction convertor 131 voltage and current etc.; Work state information also comprises the running state data of AuCT 132, as the voltage and current etc. of AuCT 132; Work state information also comprises the running state data of DC/DC133, if whether DC/DC133 is that super capacitor 134 charges, whether DC/DC current transformer discharges at control super capacitor 134; Work state information also comprises the running state data of super capacitor 134, as whether whether super capacitor 134 discharging at charging, super capacitor 134.On car, these running state data are wirelessly sent to ground master controller 111 by master controller, these running state data are carried out visual display by status displays 113, the trailer system working station indicator 14 that is connected with input and output collector 114 by ground master controller 111, convenient operation personnel send suitable instruction according to these running state data to master controller on car 121, to test trailer system 13.
In the present embodiment, master controller on car 121 is connected with the traction convertor 131 in trailer system 13, AuCT 132, DC/DC133 and super capacitor 134 by distributed network on car, thus ensure that the stability of trailer system 13; Simultaneously, the all parts of trailer system 13 receives the instruction that on car, master controller 121 sends, thus orderly carry out work, and the running state data of the traction convertor 131 in trailer system 13, AuCT 132, DC/DC133 and super capacitor 134 is returned to ground master controller 111, convenient operation personnel check the running status of each equipment in the trailer system 13 in model vehicle intuitively, are convenient to send suitable instruction by ground master controller 111 to master controller on car 121 simultaneously and go wireless remote to test the operation of trailer system 13.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can have been come by the hardware that programmed instruction is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program, when performing, performs the step comprising above-mentioned each embodiment of the method; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. a model vehicle pull test system, is characterized in that, comprising:
Control module on terrestrial contr and car, control module wireless connections on described terrestrial contr and described car;
Described terrestrial contr comprises ground master controller and ground-based transceiver, and on described car, control module to comprise on car transceiver on master controller and car;
Described ground master controller produces the first test instruction, and by described ground-based transceiver, described first test instruction is sent to control module on described car;
On described car, master controller is by the first test instruction described in transceivers on described car, and tests according to the trailer system of described first test instruction to described model vehicle.
2. system according to claim 1, is characterized in that, on described car master controller also for:
Obtain the work state information produced when described trailer system runs, and by transceiver on described car, described work state information is sent to described ground master controller.
3. system according to claim 2, is characterized in that, described terrestrial contr, also comprises:
Status displays, described status displays is connected with described ground master controller;
Described ground master controller also for receiving described work state information, and shows described work state information by described status displays.
4. system according to claim 3, is characterized in that, described ground master controller also for:
Receive the second test instruction generated according to described work state information, and described second test instruction is sent to master controller on described car by described ground-based transceiver.
5. system according to claim 4, is characterized in that, described terrestrial contr, also comprises:
Input and output collector, described input and output collector is connected with described ground master controller and trailer system working station indicator respectively;
Described ground master controller is also for sending to described input and output collector by described work state information;
Described input and output collector is used for carrying out the control of display state according to described work state information to described trailer system working station indicator;
Described 3rd test instruction also for receiving the 3rd test instruction generated according to the display state of described trailer system working station indicator, and is sent to described ground master controller by described input and output collector;
Described ground master controller also for:
Generate the 4th test instruction according to described second test instruction and described 3rd test instruction, and described 4th test instruction is sent to master controller on described car by described ground-based transceiver.
6. system according to any one of claim 1 to 5, is characterized in that, described ground master controller also for:
Detect and wireless connections on described car between master controller whether normal;
If abnormal, then send a warning message to described status displays.
7. system according to any one of claim 1 to 5, is characterized in that, on described car master controller also for:
Whether the wireless connections between detection and described ground master controller are normal;
If abnormal, then send to described trailer system and stop test instruction, it is out of service that described stopping test instruction being used to indicate described trailer system.
8. system according to any one of claim 1 to 5, is characterized in that, described trailer system comprises at least one in following device:
Traction convertor, AuCT, DC converter DC/DC, super capacitor.
9. system according to claim 8, is characterized in that, on described car, master controller is connected with described traction convertor, described AuCT, described DC/DC and described super capacitor by distributed network on car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420760769.9U CN204331457U (en) | 2014-12-05 | 2014-12-05 | Model vehicle pull test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420760769.9U CN204331457U (en) | 2014-12-05 | 2014-12-05 | Model vehicle pull test system |
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| CN204331457U true CN204331457U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420760769.9U Withdrawn - After Issue CN204331457U (en) | 2014-12-05 | 2014-12-05 | Model vehicle pull test system |
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| CN (1) | CN204331457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717909A (en) * | 2014-12-05 | 2016-06-29 | 中车大连电力牵引研发中心有限公司 | Model vehicle traction testing system |
| CN113821019A (en) * | 2021-11-22 | 2021-12-21 | 成都市卫莱科技有限公司 | FPGA high-speed transceiver and dynamic control method thereof |
-
2014
- 2014-12-05 CN CN201420760769.9U patent/CN204331457U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717909A (en) * | 2014-12-05 | 2016-06-29 | 中车大连电力牵引研发中心有限公司 | Model vehicle traction testing system |
| CN105717909B (en) * | 2014-12-05 | 2018-07-06 | 中车大连电力牵引研发中心有限公司 | Model vehicle pull test system |
| CN113821019A (en) * | 2021-11-22 | 2021-12-21 | 成都市卫莱科技有限公司 | FPGA high-speed transceiver and dynamic control method thereof |
| CN113821019B (en) * | 2021-11-22 | 2022-03-04 | 成都市卫莱科技有限公司 | FPGA high-speed transceiver and dynamic control method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 116045 Liaoning province Dalian City Lushun Economic Development Zone Dalian Hao Yang No. 1 North Street Patentee after: CRRC DALIAN ELECTRIC TRACTION R & D CENTER CO., LTD. Address before: 116045 Liaoning province Dalian City Lushun Economic Development Zone Dalian Hao Yang No. 1 North Street Patentee before: Co., Ltd of Bei Che Dalian Electric Traction R & D Center |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150513 Effective date of abandoning: 20180706 |