CN208343947U - A kind of airport ground power supply - Google Patents
A kind of airport ground power supply Download PDFInfo
- Publication number
- CN208343947U CN208343947U CN201721769276.1U CN201721769276U CN208343947U CN 208343947 U CN208343947 U CN 208343947U CN 201721769276 U CN201721769276 U CN 201721769276U CN 208343947 U CN208343947 U CN 208343947U
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- China
- Prior art keywords
- unit
- power supply
- energy
- storage battery
- ground power
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- 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.)
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Classifications
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a kind of airport ground power supply, wherein, including carriage body, the intracorporal energy-storage battery in compartment, energy-storage battery is electrically connected charhing unit and inversion unit, the charhing unit is used to charge for the energy-storage battery, and the inversion unit is used to electric energy inversion provided by the energy-storage battery be aviation.Airport ground power supply disclosed in the utility model, it may be provided on a moveable car body, aviation directly is converted to from electric energy to realize, and realize the removable deployment of airport ground power supply, so that the remote seat in the plane in airport can also give aircraft mute power supply under conditions of insert noly, the defect that remote seat in the plane aircraft can only be powered by the fuel oil on aircraft is significantly reduced.
Description
Technical field
The utility model relates to power supply device technical field more particularly to a kind of airport ground power supplys.
Background technique
When aircraft rests on ground, in order to save aviation fuel, usual aircraft engine is to close, still, in aircraft
Most of the time during face works still needs power supply, such as the starting of aircraft engine, on airport during handling goods
Certain ancillary equipments (such as lighting apparatus) use, and in scheduled maintenance checking process, to the electrical system on aircraft
System is detected, and power supply is required.Although aircraft battery can be with the short time for airborne power electrical apparatus, or even uses
In starting engine, but its capacity do not allow it on the ground when be widely used.Therefore, when aircraft stops ground,
Ground is overhauled in face of airborne electrical equipment, or when starting engine, it is necessary to provide exterior power supply, i.e. ground electricity to aircraft
Source.
The ground power supply or external power generally include ground power supply vehicle and two kinds of ground fixed power source.
For big aircraft, including large transport airplane and using alternating current as the aircraft of main power source, because of aircraft engine
Revolving speed it is higher, the driving obtained power supply of aircraft generator is 400Hz, 115VAC, i.e., voltage is 115V, and frequency is
The alternating current of 400Hz, and the equipment on aircraft is designed according to this standard, so for the power supply system being adapted on aircraft
System similarly drives the equipment work on aircraft, and the ground power supply also must be that voltage is 115V, and frequency is the friendship of 400Hz
Galvanic electricity.
Now, most in main air harbor occasion in some occasions, electric conversion dress is fixedly installed at the airport of entry
It sets, provides the alternating current of the three-phase 115V400Hz come from national grid conversion to aircraft.
Currently, usually ground power supply is generated by motor-generator set, that is, electronic by one motive power of city's electric drive
Machine, then a generator special is driven by the motor, voltage 115V, the alternating current of frequency 400Hz required for issuing are given
The power supply of aircraft power supply socket.
So, when aircraft gate is far from inlet, being connect from the electrical converter for the aircraft being parked in air harbor
Electricity is just very inconvenient.Also, by the work in combination of motor-generator set, aviation is generated, whole system is too multiple
Miscellaneous, reliability is not good enough.
Therefore, the prior art needs to improve.
Utility model content
In view of the defect of above-mentioned airport ground power supply, the purpose of the utility model is to provide a kind of reliable direct
The airport ground power supply converted from electric energy to electric energy, can be placed directly on supply vehicle, be powered on required for being moved to as needed
Beside aircraft, so as to replace the power supply of existing complexity fixed again to the airport ground that electric energy is converted slave electric energy to mechanical energy
System.
The technical solution of the utility model is as follows:
A kind of airport ground power supply, wherein include: carriage body, the intracorporal energy-storage battery in compartment, energy-storage battery electrical connection charging is single
Member and inversion unit, the charhing unit are used to charge for the energy-storage battery, and the inversion unit is used for the energy storage electricity
Electric energy inversion provided by pond is aviation.
In one embodiment, the carriage body is equipped with charging terminal, and the charging end of charhing unit is electrically connected the charging
Terminal, output end are electrically connected to energy-storage battery.
In an advantageous embodiment, the carriage body is equipped with output terminal, inversion unit input terminal and charhing unit one
It is electrically connected accumulation power supply after playing parallel connection, output end is electrically connected output terminal.
In more preferred embodiment, inversion unit input terminal connects first switch, and charhing unit output end connects second switch,
First switch and the second switch and control unit communicate to connect.
In an advantageous embodiment, the carriage body is equipped with next door and carriage body is separated into the first space and second space；Institute
It states control unit and is located at the first space, the energy-storage battery, charhing unit and inversion unit are located at second space.
In an advantageous embodiment, the next door is equipped with door opening, and the first space is connected to second space.More preferably
Ground, the door opening are equipped with closing door, and closing door is connected by a hinge in door opening side.
It is highly preferred that the hinge includes the hinge body being fixedly connected with closing door and the door that is fixedly connected with door opening
Ear, hinge body are equipped with inner pinhole, and crossette is equipped with perforation, the inner pinhole of the perforation alignment hinge body of crossette, and pin shaft passes through institute
It states perforation and inner pinhole and connect crossette with hinge body.
In an advantageous embodiment, the crossette is equipped with recess arcwall face, and hinge body is equipped with stopper, stopper position
In the region of recess arcwall face direction.
It is mutual by magnetic force and/or elastic force between the stopper and recess arcwall face in a kind of more preferred embodiment
Attract.
In an advantageous embodiment, the carriage body, preferably second space are interior equipped with truss structure, the truss structure
Including hollow out lattice, at least one energy-storage battery is placed in each hollow out lattice, is equipped with air conditioner and distribution in the end of truss structure
Case；At least partly described energy-storage battery is parallel to distribution box.
In an advantageous embodiment, the truss structure includes at least two rows of hollow out lattice, wherein at least row's hollow out lattice
Corresponding truss structure end is equipped with the distribution box, other corresponding truss structure ends of row's hollow out lattice are equipped with air conditioner.
In an advantageous embodiment, in the truss structure frame, at least partially hollow structure, also, air-conditioning goes out
Air port connects the hollow structure.
In an advantageous embodiment, the hollow out lattice are that n arranges m column setting, are gone here and there between the battery of hollow out lattice in each column
Connection setting one series-connection power supplies of composition, amount to m series-connection power supplies of composition, m series-connection power supplies are parallel to the distribution box, wherein n
Be natural number with m, and independently preferably be 3-5 natural number
The airport ground power supply, wherein the truss structure both ends are equipped with plug connector, for being plugged into operation
In power supply box.
In an advantageous embodiment, the hollow out lattice include cover board, and the hollow out lattice of placing battery are covered.
In an advantageous embodiment, equipped with management system, the management system in the carriage body, in preferably the first space
System includes electric power detection unit, and electric power detection unit includes the voltage sample for controlling chip and connecting with the control chip
Circuit, current sampling circuit, Current Voltage adjust unit, current sampling circuit be connected on Current Voltage adjust unit and battery it
Between, voltage sampling circuit access Current Voltage in parallel with battery adjusts unit, and it includes adjustable electric that Current Voltage, which adjusts unit,
Resistance.
In an advantageous embodiment, it includes photophore that the Current Voltage, which adjusts unit, and the adjustable resistance is photosensitive
Resistance, the detection unit further include PWM controller to change the size of the resistance value of photo resistance.
In an advantageous embodiment, the control chip is also connected with and sends instructions to alarm.
It is highly preferred that the alarm is alarm lamp, the alarm lamp is located at car top.
The airport ground power supply, wherein the battery is cuboid bilayer normal cell packet.
The airport ground power supply, wherein the battery is high power lithium iron phosphate cell.
The airport ground power supply, wherein the battery is lead carbon battery.
Airport ground power supply disclosed in the utility model can be realized straight by being arranged on a moveable car body
It connects from electric energy and is converted to aviation, and realize the removable deployment of airport ground power supply, so that the remote seat in the plane in airport is on no ground
The mute power supply of aircraft can also be given under conditions of inserting, significantly reducing remote seat in the plane aircraft can only be supplied by the fuel oil on aircraft
The defect of electricity.
Detailed description of the invention
Fig. 1 is the surface structure schematic diagram of the airport ground power supply of the utility model.
Fig. 2 is the battery energy storage system structural schematic diagram of the airport ground power supply of the utility model；
Fig. 3 is the truss structure schematic diagram of the airport ground power supply of the utility model；
Fig. 4 is the electric power detection unit schematic diagram of the utility model；
Fig. 5 is the hinge arrangement schematic diagram of the utility model.
In figure: 1. shells, 2. energy-storage batteries, 3. charhing units, 4. inversion units, 5. wheels, 10. next doors, 11. first
Space, 12. second spaces, 13. charging terminals, 14. output terminals, 15. alarm lamps, 21. truss structures, 22. normal cell packets,
23. air conditioner, 24. distribution boxs, 25. connectors, 27. plug connectors, 26. hollow out lattice, 30. first switches, 40. second switches,
51.PWM controller, 52. control chips, 53. current acquisition units, 54. voltage acquisition units, 55. photo resistance, 56. shine
Diode, 101. hinge bodies, 102. crossettes, 103. pin shafts, 104. stoppers, 105. invagination arcwall faces
Specific embodiment
The utility model provides a kind of novel airport ground power supply, to make the purpose of this utility model, technical solution
And effect is clearer, clear, referring to the drawings and gives an actual example to the utility model further description.It should be appreciated that
Specific embodiment described herein is only used to explain the utility model, is not used to limit the utility model.
Embodiment 1
Referring to Figures 1 and 2, the utility model discloses a kind of novel airport ground power supply, shell 1,1 quilt of shell are equipped with
Next door 10 is separated into two spaces, i.e. the first space 11 and second space 12, battery energy storage system is placed in second space 12.The
Placement management system in one space 11.Shell is equipped with charging terminal 13 for charging to battery energy storage system, and shell is equipped with
Output terminal 14 is used for the power output of battery energy storage system.
Battery energy storage system includes energy-storage battery 2 (the energy-storage battery unit that can be multiple battery compositions), energy storage electricity
Pond 2 is electrically connected a charhing unit 3 by first switch 30, connects an inversion unit 4, the charhing unit by second switch 40
3 for the energy-storage battery 2 for charging, and the inversion unit 4 is used to electric energy inversion provided by the energy-storage battery 2 be boat
Empty electricity consumption, i.e. voltage are 115V, and frequency is the alternating current of 400Hz.First switch 30 and second switch 40 by control unit into
Row control.When charhing unit 3, which connects charging terminal 13, to be charged, control unit operates the connection of first switch 30, the second control
Unit 40 processed disconnects, and certainly, in another embodiment, charhing unit 3, inversion unit 4 are separately connected energy-storage battery 2, are storing up
In energy 2 charging process of battery, second switch 40 can not need to disconnect.When not needing to charge to energy-storage battery 2, control is single
Atom operation first switch 30 disconnects.
The utility model airport ground power supply is used for airport ground supply vehicle, as shown in Figure 1, setting on airport ground supply vehicle
It is equipped with wheel 5, to be moved easily, in one more preferably embodiment, driving system is additionally provided on the airport ground supply vehicle
System moves so as to be driven.Referring to Fig.1, carriage body 1 described in the utility model is placed in the car body of airport ground supply vehicle
On trailer chassis.
Embodiment 2
In the present embodiment, as shown in figure 3, at least row's truss knot is arranged in the shell 1 (such as in second space 12)
Structure 21, truss structure 21 include the hollow out lattice 26 of array setting, are placed at least one high power phosphorus in each hollow out lattice 26
The normal cell packet 22 of sour lithium iron battery, the normal cell packet 22 are single channel 75KWh, and cover board covers hollow out lattice 22.
In a preferred embodiment, the normal cell packet 22 divides N row M column (M be natural number with N) array arrangement
In in the hollow out lattice 22 of the truss structure 21, i.e., every row sets that there are four the normal cell packets 22.The normal cell of each column
Packet series connection forms a series-connection power supplies, forms four series-connection power supplies altogether, then four series-connection power supplies are parallel to distribution box 24.Together
When, at the both ends of the truss structure 21, two air conditioners 23 and a distribution box 24 are designed on each end face.Preferably,
As shown in Fig. 2, two air conditioners 23 are symmetrically disposed on the outside of the end face, and the distribution box 24 is then set to institute
State the middle position of end face.The distribution box 24, it is preferable that including a high-tension distribution box and a low-tension distribution box, for difference
Occasion, the power supply of different objects.
In operation in view of the operation power supply box 2, especially in high-power output, a large amount of heat can be generated,
The utility model is also provided with the air conditioner 23, for cooling down to the entire operation power supply box 2, to prevent safety
Accident.In the frame of the truss structure 2, at least partially hollow structure, also, the air outlet connection of air-conditioning 23 is described hollow
Structure.In this way, air-conditioner wind is air-supplied by hollow structure, the heat that battery 22 generates is taken away.Preferably, the air conditioner
23 are set as 4, the outside of the normal cell packet 22 at 21 both ends of truss structure are respectively arranged at, so as to fully cool down
The operation power supply box 2.The air conditioner 23 is preferably 700W, is connected to the voltage distribution case and receives power supply, and receives low
Voltage electric control.
Truss structure 21 can be replaced, and for the ease of replacement, be equipped with plug connector 27, truss structure at 21 both ends of truss structure
21 are plugged into shell 1 by plug connector 27；Or the grafting of adjacent truss structure 21.The both ends of truss structure 21, which are equipped with to have, to be connected
The connector 25 for connecing hole, for connecting energy-storage battery.
In one more preferably embodiment, the battery module can also be set as two, when in use, can be mutually backups,
To further increase the functional reliability of entire ground power-supply system, and provide the working time of electric energy.
The battery can be selected as high power lithium iron phosphate cell, can also be selected as lead carbon battery.As long as having enough
Capacity, and being capable of repeatedly charge and discharge.
The application another more preferably in embodiment, the airport ground supply vehicle further includes the expert built in one
System, for example, be equipped with battery management system in the first space 11, thus realize to the self-diagnosing function after failure, with
And realize that data-transformation facility further increases so as to preferably monitor the working condition of the airport ground supply vehicle
The reliability of its work.
Battery management system includes electricity quantity monitoring device, and referring to Fig. 3, electricity quantity monitoring device includes that Current Voltage adjusts list
Member, it includes an adjustable resistance that Current Voltage, which adjusts unit, and in the present embodiment, adjustable resistance is photo resistance 55, Current Voltage
Adjusting unit further includes light emitting diode 56, and control chip 52 controls PWM controller 51, to adjust shining for light emitting diode 56
Intensity, to change the resistance value of photo resistance 55, photo resistance 55 is also possible to photosensitive switch.
Current acquisition unit 53 is series at energy-storage battery 2 and Current Voltage is adjusted between the photo resistance 55 of unit, voltage
The photo resistance 55 that acquisition unit 54 adjusts unit with Current Voltage is connected in parallel on the both ends of energy-storage battery 2 together.
Current acquisition unit 53, voltage acquisition unit 54 are connect with control chip 52, and by the electric current and voltage of acquisition
It is sent to control chip 52, electric current is multiplied by control chip 52 with voltage data is converted into discharge power, and surplus according to what is prestored
Remaining electricity-discharge power curve obtains residual electric quantity.
When the residual electric quantity that control chip 52 is calculated is lower than preset threshold, then to the transmission instruction of alarm 15, report
The alert alarm of device 15 sends alarm signal to console.
Embodiment 3
Next door is equipped with door opening and is connected in the first space 11 with second space 12, convenient for work such as manual inspection, maintenances.Door opening
Equipped with closing door, closing door is hinged to door opening side.Referring to Fig. 5, hinge includes hinge bodies 101, hinge bodies
The crossette 102 of 101 ends, crossette 102 can be one or two.
The inner pinhole of the perforation alignment hinge bodies 101 of crossette 102, perforation and neat hinge of the pin shaft 103 across crossette 102
The inner pinhole of ontology 101 connects crossette 102 and hinge bodies 101.At least one of crossette 102 and hinge bodies 101 can
To be around 103 axis rotation of pin shaft.
Plane is equipped on the outside of crossette 102, inside is equipped with invagination arcwall face 105, and the plane contact of crossette 102 is simultaneously fixed on door
On the next door of hole side.According to the folding direction of closing door, plane is set on the inside or outside of hinge body 101, for being fixed on
On closing door.
Region before hinge body 101 is located at invagination arcwall face 105, is arranged the stopper 104 of protrusion, stopper 104
It attracts each other (hinge body 101 is to close to Fig. 5 upper direction) or repels by magnetic force between invagination arcwall face 105 and (cut with scissors
Chain main body 101 is to close to Fig. 5 moved beneath), so that it is guaranteed that the closing of closing door.
Airport ground power supply disclosed in the utility model, by the way that a battery energy storage system is arranged on the car body of supply vehicle
System and relevant mating charging module and inverter module, realize and are directly converted to aviation from electric energy, realize ground electricity
The removable deployment in source significantly reduces so that the remote seat in the plane in airport can also give aircraft mute power supply under conditions of insert noly
The defect that remote seat in the plane aircraft can only be powered by the fuel oil on aircraft.
Specific embodiment of the utility model is described in detail above, but it is only used as example, the utility model
It is not restricted to particular embodiments described above.To those skilled in the art, any that this practical is equal
Modifications and substitutions are also all among the scope of the utility model.Therefore, the institute under the spirit and scope for not departing from the utility model
The equal transformation and modification of work, should all cover in the scope of the utility model.
Claims (8)
1. a kind of airport ground power supply characterized by comprising including carriage body, the intracorporal energy-storage battery in compartment, energy-storage battery is electrically connected
Charhing unit and inversion unit are connect, the charhing unit is used to charge for the energy-storage battery, and the inversion unit is used for institute
Stating electric energy inversion provided by energy-storage battery is aviation；
Management system is equipped in the carriage body, the management system includes electric power detection unit, and electric power detection unit includes control
Chip and voltage sampling circuit, current sampling circuit, the Current Voltage connecting with the control chip adjust unit, electric current
Sample circuit is connected on Current Voltage and adjusts between unit and battery, voltage sampling circuit access electric current electricity in parallel with battery
Pressure adjusts unit, and it includes adjustable resistance that Current Voltage, which adjusts unit,；
It includes photophore that the Current Voltage, which adjusts unit, and the adjustable resistance is photo resistance, and the detection unit further includes
PWM controller changes the size of the resistance value of photo resistance；
The control chip is also connected with and sends instructions to alarm；The alarm is alarm lamp, and the alarm lamp is located at compartment
At the top of body.
2. airport ground power supply according to claim 1, which is characterized in that the carriage body is equipped with charging terminal, charging
The charging end of unit is electrically connected the charging terminal, and output end is electrically connected to energy-storage battery；The carriage body is equipped with output terminal,
It is electrically connected accumulation power supply after inversion unit input terminal is in parallel together with charhing unit, output end is electrically connected output terminal.
3. airport ground power supply according to claim 2, which is characterized in that inversion unit input terminal connects first switch,
Charhing unit output end connects second switch, and first switch and the second switch and control unit communicate to connect；The carriage body is equipped with
Carriage body is separated into the first space and second space by next door；Described control unit is located at the first space, the energy-storage battery, charging
Unit and inversion unit are located at second space.
4. airport ground power supply according to claim 3, which is characterized in that the next door is equipped with door opening, by the first sky
Between be connected to second space；The door opening is equipped with closing door, and closing door is connected by a hinge in door opening side.
5. airport ground power supply according to claim 4, which is characterized in that the hinge includes being fixedly connected with closing door
Hinge body and the crossette that is fixedly connected with door opening, hinge body be equipped with inner pinhole, crossette is equipped with perforation, the perforation pair of crossette
The inner pinhole of neat hinge body, pin shaft passes through the perforation and crossette is connect by inner pinhole with hinge body.
6. airport ground power supply according to claim 5, which is characterized in that the crossette is equipped with recess arc-plane, hinge
Chain main body is equipped with stopper, and stopper is located at the region of recess arcwall face direction.
7. airport ground power supply according to claim 1, which is characterized in that truss structure is equipped in the carriage body, it is described
Truss structure includes hollow out lattice, at least one energy-storage battery is placed in each hollow out lattice, is equipped with air-conditioning in the end of truss structure
Machine and distribution box；At least partly described energy-storage battery is parallel to distribution box.
8. airport ground power supply according to claim 7, which is characterized in that the truss structure includes at least two rows of hollow outs
Lattice, the corresponding truss structure end of wherein at least row's hollow out lattice are equipped with the distribution box, other corresponding truss of row's hollow out lattice
Structure end is equipped with air conditioner；In the truss structure frame, at least partially hollow structure, also, air-conditioner air outlet company
Connect the hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721769276.1U CN208343947U (en) | 2017-12-18 | 2017-12-18 | A kind of airport ground power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721769276.1U CN208343947U (en) | 2017-12-18 | 2017-12-18 | A kind of airport ground power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208343947U true CN208343947U (en) | 2019-01-08 |
Family
ID=64874531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721769276.1U Expired - Fee Related CN208343947U (en) | 2017-12-18 | 2017-12-18 | A kind of airport ground power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208343947U (en) |
-
2017
- 2017-12-18 CN CN201721769276.1U patent/CN208343947U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 Termination date: 20201218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |