CN209795253U - intelligent power supply system for stringing of electric locomotive - Google Patents
intelligent power supply system for stringing of electric locomotive Download PDFInfo
- Publication number
- CN209795253U CN209795253U CN201920555537.2U CN201920555537U CN209795253U CN 209795253 U CN209795253 U CN 209795253U CN 201920555537 U CN201920555537 U CN 201920555537U CN 209795253 U CN209795253 U CN 209795253U
- Authority
- CN
- China
- Prior art keywords
- overhead line
- control host
- electric locomotive
- positioning machine
- stringing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003137 locomotive effect Effects 0.000 title claims abstract description 54
- 239000012212 insulator Substances 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 5
- 206010014357 Electric shock Diseases 0.000 abstract description 18
- 238000000034 method Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 6
- 230000003111 delayed effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010014405 Electrocution Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model provides an intelligent power supply system for an electric locomotive stringing line, which comprises a direct current bus, a stringing line and an electric locomotive, wherein the electric locomotive is provided with a vehicle-mounted transmitter, the stringing line is divided into a plurality of sections, and the sections of the stringing line are connected through a partition insulator; each section of overhead line is provided with a control host and a positioning machine connected with the control host, and the control host is respectively connected with the direct current bus and the overhead line; the positioning machine is communicated with the vehicle-mounted transmitter; when the positioning machine receives the signal transmitted by the vehicle-mounted transmitter, the positioning machine sends the signal to the control host, and the control host controls the power-on of the overhead line of the section where the control host is located. The sections are connected through the insulating connectors between each section of overhead line, so that the sections are insulated from one another, and the sections are further controlled to be powered on and powered off, energy is saved, and the electric shock risk of underground personnel is greatly reduced.
Description
Technical Field
The utility model relates to a mine safety technical field in the pit, concretely relates to electric locomotive stringing intelligence power supply system.
background
Mine enterprises play an important role in national economic construction and are important users of electric energy. With the rapid development of production, the automation and mechanization levels are continuously improved, the requirements of mine enterprises on power supply are stricter, particularly, the requirements on power supply are higher due to the fact that a working face is continuously moved and the production environment is complex in mine operation.
The electric locomotive is a traction device for rail vehicle transportation, and the power is to drive wheels to rotate by using a traction motor, so that the locomotive runs on a rail by means of the friction between the wheels and a rail surface. In this mode of operation, the traction force is limited not only by the power of the traction motor (or internal combustion engine), but also by the friction between the wheels and the rail surface. The gradient of the locomotive capable of running during transportation is limited, the gradient of a transportation track is generally 3 per thousand, and the local gradient cannot exceed 30 per thousand. It is classified into trolley locomotives and storage battery electric locomotives by structure.
the high-voltage alternating current is subjected to voltage reduction and rectification by the traction converter in the working process of the trolley locomotive, the positive pole of the high-voltage alternating current is connected to the overhead line, and the negative pole of the high-voltage alternating current is connected to the rail. The pantograph on the locomotive contacts with the overhead line, current is introduced into the locomotive, and then enters the traction motor through the air automatic switch, the controller and the resistance box to drive the motor to operate. The motor drives the wheels to rotate through the transmission device, so that the train is pulled to run. The current from the motor flows back to the inverter via the rail.
at present, the electric locomotive stringing in the mine is continuously supplied with power for a long time, and the mode not only causes great waste in energy cost, but also easily brings electric shock potential safety hazard to underground operation personnel. The underground environment of a mine is severe, the dust humidity is large, the electric locomotive and the guide rail are in poor contact, and the signal integrity and the stability of a carrier signal which needs to be transmitted through a good loop cannot be guaranteed.
disclosure of Invention
To the long-time power supply that lasts of electric locomotive stringing in present mine, this kind of mode has not only caused very big waste on energy cost, still easily brings electric shock potential safety hazard and mine downhole environment to borehole operation personnel bad, and dust humidity is big, and electric locomotive and guide rail contact failure can't guarantee the problem of its signal integrality and stability to the carrier signal that needs propagate through good return circuit, the utility model provides an electric locomotive stringing intelligence power supply system.
the technical scheme of the utility model is that:
an intelligent power supply system for an overhead line of an electric locomotive comprises a direct current bus, the overhead line and the electric locomotive, wherein a vehicle-mounted transmitter is arranged on the electric locomotive, the overhead line is divided into a plurality of sections, and the sections of the overhead line are connected through a partition insulator; each section of overhead line is provided with a control host and a positioning machine connected with the control host, and the control host is respectively connected with the direct current bus and the overhead line; the positioning machine is communicated with the vehicle-mounted transmitter, when the positioning machine receives a signal transmitted by the vehicle-mounted transmitter, the positioning machine sends the signal to the control host, and the control host controls the power-on of the overhead line of the section where the control host is located. The sections are connected through the insulating connectors between each section of overhead line, so that the sections are insulated from one another, and the sections are further controlled to be powered on and powered off, energy is saved, and the electric shock risk of underground personnel is greatly reduced.
Preferably, the positioning machine is a wireless positioning machine, and the wireless positioning machine is in wireless communication with the vehicle-mounted transmitter;
The control host is connected with the direct current bus through a cable;
The control host is connected with the overhead line through a cable;
The control host computer is connected with the wireless positioning machine through a cable. When the wireless positioning machine receives a wireless signal transmitted by the vehicle-mounted transmitter, the wireless positioning machine transmits the signal to the control host through the cable, and after the control host receives the signal of the wireless positioning machine, the control host controls the power-on of the overhead line of the section where the control host is located. Each section of the time-sharing control stringing is powered on and powered off, energy is saved, and the electric shock risk of underground personnel is greatly reduced.
preferably, in order to enable the wireless positioning machine to cover the whole section of overhead line with wireless signals, a plurality of wireless positioning machines connected with the control host are arranged in each section of overhead line.
preferably, the system further comprises an LED display screen, the control host is connected with the LED display screen through a cable, the LED display screen is lightened after the power of the overhead line is on, and the LED display screen is extinguished after the power of the overhead line is off. Make things convenient for the audio-visual work personnel of looking over which section overhead line is gone up the electricity or cut off the power supply, reduce personnel's in the pit electric shock risk.
Preferably, the control host comprises a control processing module and a contactor, and the control processing module is connected with the contactor;
The direct current bus is connected with the overhead line through a contactor;
When the wireless positioning machine receives a wireless signal transmitted by the vehicle-mounted transmitter, the wireless positioning machine sends the signal to the control processing module of the control host machine through the cable, the control processing module controls the contactor to be attracted, and the stringing is automatically electrified. The power-on or power-off of the stringing is controlled by controlling the suction or the disconnection of the contactor, so that the power-on and power-off processes of the stringing are automated, the no-load power consumption of the stringing is reduced, and the electric shock risk of underground personnel can be greatly reduced.
Preferably, a current detection module is further arranged in the control host, and the current detection module is connected with the control processing module;
When the current detection module detects that the current is smaller than the set threshold value, the control processing module controls the contactor to be disconnected in a delayed mode, and the overhead line is powered off. The disconnection of the contactor is controlled by detecting the current value to control the stringing delay power-off, so that the stringing power-off process is automated, and the electric shock risk of underground personnel can be greatly reduced.
Preferably, the system further comprises an upper computer, wherein the control host is communicated with the upper computer and uploads the position information of the electric locomotive to the upper computer. The position information of the electric locomotive can be conveniently and remotely checked by workers.
according to the technical scheme, the utility model has the advantages of it is following: the system accords with the idea of building green mine energy conservation and environment protection, divide into a plurality of sections with the electric locomotive overhead line, utilize wireless technology to realize that the electric locomotive moves on certain section overhead line, the overhead line that corresponds certain section is automatic to be gone up, this section overhead line outage system can reduce the no-load power consumption of overhead line after the electric locomotive leaves or stops, again can greatly reduced personnel's in the pit risk of electrocution, this system does not receive the influence of the adverse circumstances in the pit in the mine, the wired signal transmission problem that the contact failure arouses of guide rail and electric locomotive has been solved through wireless technology.
furthermore, the utility model relates to a principle is reliable, and simple structure has very extensive application prospect.
Therefore, compared with the prior art, the utility model has the substantive characteristics and the progress, and the beneficial effects of the implementation are also obvious.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a system schematic of an embodiment of the present invention;
Fig. 2 is a schematic system diagram of another embodiment of the present invention.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
the following explains key terms appearing in the present invention.
Example one
as shown in fig. 1, the embodiment of the utility model provides an electric locomotive overhead line intelligence power supply system, including direct current bus 1, overhead line 2 and electric locomotive 3, be equipped with on-vehicle transmitter 6 on the electric locomotive 3, overhead line 2 fall into a plurality of sections, connect through partition insulator 5 between every section overhead line. Each section of overhead line is provided with a control host 7 and a positioning machine connected with the control host 7, and the control host 7 is respectively connected with the direct current bus 1 and the overhead line 2; the positioning machine is communicated with the vehicle-mounted transmitter 6; when the positioning machine receives the signal transmitted by the vehicle-mounted transmitter 6, the positioning machine transmits the signal to the control host, and the control host 7 controls the power-on of the overhead line of the section where the control host 7 is located. Each section of overhead line is connected through an insulating connector 5 to enable the sections to be insulated from one another, so that each section is further controlled to be powered on and powered off, energy is saved, and the electric shock risk of underground personnel is greatly reduced.
The positioning machine is a wireless positioning machine 8, and the wireless positioning machine 8 is in wireless communication with the vehicle-mounted transmitter 6;
the control host 7 is connected with the direct current bus 1 through a cable;
The control host 7 is connected with the overhead line 2 through a cable;
the control host 7 is connected with the wireless positioning machine 8 through a cable;
When the wireless positioning machine 8 receives a wireless signal transmitted by the vehicle-mounted transmitter 6, the wireless positioning machine 8 transmits the signal to the control host 7 through a cable, and after the control host 7 receives the signal of the wireless positioning machine 8, the control host 7 controls the power-on of the overhead line of the section where the control host 7 is located. Each section of the time-sharing control stringing is powered on and powered off, energy is saved, and the electric shock risk of underground personnel is greatly reduced.
The control machine 7 is used for controlling the power-on and power-off of the overhead line 2; and the wireless positioning machine 8 is used for positioning the electric locomotive 3 and further controlling the reasonable power-on and power-off of the overhead line through the control machine 7. The problem of wired signal transmission caused by poor contact between the guide rail and the electric locomotive is solved through a wireless technology.
In order to enable the wireless positioning machine 8 to cover the whole section of overhead line by wireless signals, a plurality of wireless positioning machines 8 connected with the control host 7 are arranged in each section of overhead line, and according to the actual situation, the number of the wireless positioning machines 8 is four in the embodiment;
The control host 7 comprises a control processing module and a contactor, and the control processing module is connected with the contactor;
the direct current bus is connected with the overhead line through a contactor;
When receiving the wireless signal transmitted by the vehicle-mounted transmitter 6, the wireless positioning machine 8 sends a signal to the control processing module of the control host through the cable, the control processing module controls the contactor to be attracted, and the stringing 2 is automatically electrified.
The power-on or power-off of the stringing is controlled by controlling the suction or the disconnection of the contactor, so that the power-on and power-off processes of the stringing are automated, the no-load power consumption of the stringing is reduced, and the electric shock risk of underground personnel can be greatly reduced.
A current detection module is also arranged in the control host 7 and is connected with the control processing module;
When the current detection module detects that the current is smaller than the set threshold value, the control processing module controls the contactor to be disconnected, and the overhead line is powered off.
The disconnection of the contactor is controlled by detecting the current value to control the power failure of the stringing, so that the stringing power-off process is automated, and the electric shock risk of underground personnel can be greatly reduced.
When the locomotive starts to work, a start button of the vehicle-mounted transmitter 6 is pressed, the vehicle-mounted transmitter 6 transmits a wireless signal to the nearby wireless positioning machine 8, the wireless positioning machine 8 sends a signal to the control host 7 through a cable after receiving the signal, a contact in the control host 7 is attracted, the overhead line is automatically electrified, the current on the overhead line is monitored, and the overhead line continuously supplies power. Monitoring the stringing current, and when the monitoring current is smaller than a set value, automatically powering off the stringing in a delayed manner; when the electric locomotive 3 runs to the section from the previous section of the overhead line, the vehicle-mounted transmitter 6 transmits a wireless signal to the nearby wireless positioning machine 8, the wireless positioning machine 8 sends a signal to the control host 7 through a cable after receiving the signal, the contacts in the control host 7 are attracted, the overhead line 2 is automatically electrified, the current on the overhead line is monitored, and the overhead line continuously supplies power. And monitoring the current of the overhead line, and when the monitored current is smaller than a set value, automatically powering off the overhead line in a delayed mode.
example two
As shown in fig. 2, the embodiment of the utility model provides an electric locomotive overhead line intelligence power supply system, including direct current bus 1, overhead line 2 and electric locomotive 3, be equipped with on-vehicle transmitter 6 on the electric locomotive 3, overhead line 2 fall into a plurality of sections, connect through partition insulator 5 between every section overhead line. Each section of overhead line is provided with a control host 7 and a positioning machine connected with the control host 7, and the control host 7 is respectively connected with the direct current bus 1 and the overhead line 2; the positioning machine is communicated with the vehicle-mounted transmitter 6; when the positioning machine receives the signal transmitted by the vehicle-mounted transmitter 6, the positioning machine transmits the signal to the control host, and the control host 7 controls the power-on of the overhead line of the section where the control host 7 is located. Each section of overhead line is connected through an insulating connector 5 to enable the sections to be insulated from one another, so that each section is further controlled to be powered on and powered off, energy is saved, and the electric shock risk of underground personnel is greatly reduced.
The positioning machine is a wireless positioning machine 8, and the wireless positioning machine 8 is in wireless communication with the vehicle-mounted transmitter 6;
The control host 7 is connected with the direct current bus 1 through a cable;
The control host 7 is connected with the overhead line 2 through a cable;
the control host 7 is connected with the wireless positioning machine 8 through a cable;
when the wireless positioning machine 8 receives a wireless signal transmitted by the vehicle-mounted transmitter 6, the wireless positioning machine 8 transmits the signal to the control host 7 through a cable, and after the control host 7 receives the signal of the wireless positioning machine 8, the control host 7 controls the power-on of the overhead line of the section where the control host 7 is located. Each section of the time-sharing control stringing is powered on and powered off, energy is saved, and the electric shock risk of underground personnel is greatly reduced.
The control machine 7 is used for controlling the power-on and power-off of the overhead line 2; and the wireless positioning machine 8 is used for positioning the electric locomotive 3 and further controlling the reasonable power-on and power-off of the overhead line through the control machine 7. The problem of wired signal transmission caused by poor contact between the guide rail and the electric locomotive is solved through a wireless technology.
in order to enable the wireless positioning machine 8 to cover the whole section of overhead line by wireless signals, a plurality of wireless positioning machines 8 connected with the control host 7 are arranged in each section of overhead line, and according to the actual situation, the number of the wireless positioning machines 8 is four in the embodiment;
The control host 7 comprises a control processing module and a contactor, and the control processing module is connected with the contactor;
The direct current bus is connected with the overhead line through a contactor;
when receiving the wireless signal transmitted by the vehicle-mounted transmitter 6, the wireless positioning machine 8 sends a signal to the control processing module of the control host through the cable, the control processing module controls the contactor to be attracted, and the stringing 2 is automatically electrified.
The power-on or power-off of the stringing is controlled by controlling the suction or the disconnection of the contactor, so that the power-on and power-off processes of the stringing are automated, the no-load power consumption of the stringing is reduced, and the electric shock risk of underground personnel can be greatly reduced.
a current detection module is also arranged in the stringing control host 7 and is connected with the control processing module;
when the current detection module detects that the current is smaller than the set threshold value, the control processing module controls the contactor to be disconnected, and the overhead line is powered off.
The disconnection of the contactor is controlled by detecting the current value to control the power failure of the stringing, so that the stringing power-off process is automated, and the electric shock risk of underground personnel can be greatly reduced.
The system further comprises an LED display screen 9, the control host 7 is connected with the LED display screen 9 through a cable, the LED display screen 9 is lightened after the power of the overhead line is on, and the LED display screen 9 is extinguished after the power of the overhead line is off. Make things convenient for the audio-visual work personnel of looking over which section overhead line is gone up the electricity or cut off the power supply, reduce personnel's in the pit electric shock risk.
When the locomotive starts to work, a start button of the vehicle-mounted transmitter 6 is pressed, the vehicle-mounted transmitter 6 transmits a wireless signal to the nearby wireless positioning machine 8, the wireless positioning machine 8 sends a signal to the control host 7 through a cable after receiving the signal, a contact in the control host 7 is attracted, the overhead line is automatically electrified, the LED display screen 9 at the section is lightened, meanwhile, the current on the overhead line is monitored, and the overhead line continuously supplies power. Monitoring the stringing current, and when the monitoring current is smaller than a set value, automatically powering off the stringing in a delayed manner; the LED display screen 9 of the segment is powered off. When the electric locomotive 3 runs to the section from the previous section of overhead line, the vehicle-mounted transmitter 6 transmits a wireless signal to the nearby wireless positioning machine 8, the wireless positioning machine 8 sends a signal to the control host 7 through a cable after receiving the signal, the contacts in the control host 7 are attracted, the overhead line 2 is automatically electrified and simultaneously monitors the current on the overhead line, the overhead line continuously supplies power, and the LED display screen 9 of the section is lightened. And monitoring the current of the overhead line, and when the monitored current is smaller than a set value, automatically powering off the overhead line in a delayed mode. Whether light through LED display screen 9 and make things convenient for that the staff is audio-visual to look over which section overhead line is gone up the electricity or cut off the power supply, reduce personnel's in the pit electric shock risk.
It should be further explained that the system of this embodiment still includes the host computer, host computer and control host 7 communication, control host 7 uploads electric locomotive 3's position signal to the host computer, makes things convenient for the long-range position of looking over the electric locomotive of staff.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. An intelligent power supply system for an overhead line of an electric locomotive is characterized by comprising a direct current bus, the overhead line and the electric locomotive, wherein a vehicle-mounted transmitter is arranged on the electric locomotive, the overhead line is divided into a plurality of sections, and the sections of the overhead line are connected through a partition insulator; each section of overhead line is provided with a control host and a positioning machine connected with the control host, and the control host is respectively connected with the direct current bus and the overhead line; the positioning machine is communicated with the vehicle-mounted transmitter.
2. The intelligent power supply system for the overhead line of the electric locomotive according to claim 1, wherein the positioning machine is a wireless positioning machine, and the wireless positioning machine is in wireless communication with the vehicle-mounted transmitter;
The control host is connected with the direct current bus through a cable;
The control host is connected with the overhead line through a cable;
The control host computer is connected with the wireless positioning machine through a cable.
3. the intelligent power supply system for the electric locomotive stringing as claimed in claim 2, wherein a plurality of wireless positioning machines connected with the control host are arranged in each section of stringing.
4. the intelligent power supply system for the electric locomotive stringing is characterized by further comprising an LED display screen, and the control host is connected with the LED display screen through a cable.
5. The intelligent power supply system for the electric locomotive stringing as claimed in claim 3 or 4, wherein the control host comprises a control processing module and a contactor, and the control processing module is connected with the contactor;
The direct current bus is connected with the overhead line through the contactor.
6. The intelligent power supply system for the overhead lines of the electric locomotives according to claim 5, wherein a current detection module is further arranged in the control host, and the current detection module is connected with the control processing module.
7. the intelligent power supply system for the overhead line of the electric locomotive according to claim 2, further comprising an upper computer, wherein the control host is communicated with the upper computer to upload the position information of the electric locomotive to the upper computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920555537.2U CN209795253U (en) | 2019-04-22 | 2019-04-22 | intelligent power supply system for stringing of electric locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920555537.2U CN209795253U (en) | 2019-04-22 | 2019-04-22 | intelligent power supply system for stringing of electric locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209795253U true CN209795253U (en) | 2019-12-17 |
Family
ID=68830534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920555537.2U Expired - Fee Related CN209795253U (en) | 2019-04-22 | 2019-04-22 | intelligent power supply system for stringing of electric locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209795253U (en) |
-
2019
- 2019-04-22 CN CN201920555537.2U patent/CN209795253U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105629967B (en) | Underground mine locomotive Unmanned Systems based on high accuracy positioning navigation terminal | |
| CN205353715U (en) | Transmission line on -line monitoring device power management system | |
| CN203278388U (en) | Power supply construction for subway shield door | |
| CN204140130U (en) | Colliery portable blower automated system | |
| CN209795253U (en) | intelligent power supply system for stringing of electric locomotive | |
| CN103009991A (en) | Driving system for mining hybrid power trackless rubber-tyred vehicle | |
| CN203080410U (en) | Bridge inspection trolley control system provided with separated upper walking mechanism and lower walking mechanism | |
| CN102785669A (en) | Method and system for power supply for locomotive running in electric locomotive shed based on trolley conductors | |
| CN107834534B (en) | Power supply management system for intelligent inspection robot and management method thereof | |
| CN105438009B (en) | The floor power supply device and its application method of a kind of trolleybus | |
| CN202180762U (en) | Intelligent safe power supply device for overhead line of electric locomotive | |
| CN210258026U (en) | Intelligent auxiliary transportation system for coal mine underground diesel-electric independent driving rubber-tyred vehicle | |
| CN202213503U (en) | Power supply system for urban rail vehicle, and urban rail vehicle | |
| CN111071057B (en) | Magnetic suspension train and traction control method and system thereof | |
| CN110039998A (en) | A kind of electrically independent driving rubber-tired cart intelligence Stady On The Auxiliary Transportation Systems of underground coal mine bavin | |
| CN204203719U (en) | A kind of mine electric locomotive aerial conductor electric power system | |
| CN101537885B (en) | Aerobridge and control circuit thereof | |
| CN210706994U (en) | Non-contact power supply system of automobile chassis assembly trolley | |
| CN210570803U (en) | Electric power system monitoring and collecting device | |
| CN109130870A (en) | The pipe rail driven based on pull-type by stream linear motor transports traction drive system | |
| CN212627284U (en) | Safety power supply system for lighting horn of electric locomotive | |
| CN109398160A (en) | Traction drive system is transported based on contactlessly powered pipe rail | |
| CN211698688U (en) | Overhead line power supply controller | |
| CN104483887A (en) | Intelligent overhead line power cut and supply device for electric locomotive | |
| CN216489862U (en) | Dual-power drive mechanism and sand table train |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 |