CN110048639A - A kind of tunnel internal self power generation and self-powered method and device thereof - Google Patents
A kind of tunnel internal self power generation and self-powered method and device thereof Download PDFInfo
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- CN110048639A CN110048639A CN201910202626.3A CN201910202626A CN110048639A CN 110048639 A CN110048639 A CN 110048639A CN 201910202626 A CN201910202626 A CN 201910202626A CN 110048639 A CN110048639 A CN 110048639A
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- Prior art keywords
- piezoelectric transducer
- transducer device
- piezoelectric
- tunnel
- distribution box
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000010248 power generation Methods 0.000 title claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 47
- 229910052802 copper Inorganic materials 0.000 claims description 47
- 239000010949 copper Substances 0.000 claims description 47
- 239000011257 shell material Substances 0.000 claims description 23
- 239000000919 ceramic Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 229920006335 epoxy glue Polymers 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000005452 bending Methods 0.000 description 8
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a kind of tunnel internal self power generation and self-powered method and device thereof, several piezoelectric transducer devices are uniformly embedded in the runway in tunnel, the piezoelectric transducer device conducting wire connects distribution box, and distribution box is transmitted to the electrical equipment in tunnel by defeated spool.This method effectively realizes the self-powered in tunnel, without being transmitted electric power by outside, green low-carbon, and can be recycled.
Description
Technical field
The present invention relates to a kind of tunnel internal self power generation and self-powered method and device thereof.
Background technique
Vehicular vibration is in the world one of generally acknowledged " seven big public hazards ", how all to cause heavy losses to environment and economy
Effectively utilizing mechanical vibrational energy is a Practical Project problem urgently to be resolved.If converting electric energy for this mechanical energy, have
Wide application prospect and social benefit complies with low-carbon energy-saving, environmentally protective era development trend, bring it is huge it is economical with
Social benefit.
Summary of the invention
In view of the shortcomings of the background art, technical problem to be solved by the invention is to provide a kind of tunnel internal is spontaneous
Electricity and self-powered method and device thereof this method transmit electric power without outside, can effectively realize the self-powered in tunnel；It should
Service using life is long, and can collect electric energy to greatest extent, supplies electricity to electrical equipment.
The present invention is a kind of tunnel internal self power generation for adopting the following technical scheme that complete and confession method for electrically, if dry-pressing
Electrical switching device is uniformly embedded in the runway in tunnel, and the piezoelectric transducer device conducting wire connects distribution box, and distribution box passes through
Defeated spool is transmitted to the electrical equipment in tunnel.
Horizontal and vertical horizontal alignment, piezoelectric transducer device are placed in wheelmark and roll region between the piezoelectric transducer device
It is interior.
The piezoelectric transducer device is connected by conductor in parallel, and wire termination accesses in distribution box.
Including following implementation steps:
(1) the pre-buried point of piezoelectric transducer device is chosen, and pre-buried point is opened up with the matched fluting of piezo-electric device, and quantity of slotting and piezoelectricity turn
Changing device matching, fluting side are provided with wire casing, and wire casing conducting is connected on bus duct, and bus duct extends to distribution box.
(2) fluting filling asphaltmastic, piezoelectric transducer device are placed in fluting, and the conducting wire of piezoelectric transducer device is using in parallel
Bus duct is drawn by wire casing and be summarized in connection type, is accessed in distribution box by bus duct.
(3) gap and wire casing gap are filled and are compacted by asphaltmastic between slotted wall and piezoelectric transducer device, then benefit
Cementation of fissures Seal treatment is carried out to pit slot with modified pitch, flushes piezoelectric transducer device with road surface.
(4) distribution box is set on the inside of tunnel, and the electrical equipment in tunnel is accessed in distribution box by electric wire.
(5) the piezoelectric transducer device upper surface overlays antiskid coating.
A kind of piezoelectric transducer device, including shell, the shell include upper housing and lower case, the upper housing upper end
Equipped with the arch copper sheet to arch upward upwards, the lower case lower end has the flat shape copper sheet being in a horizontal state, the arch copper sheet
Lower end surface is connected with copper post, and the multiple piezoelectric cantilevers of the uniform grafting in the bottom of the copper post, the shell is interior to be equipped with integrated circuit
Plate, integrated circuit board are connect with piezoelectric cantilever by the first conducting wire, on the integrated circuit board there is the second conducting wire to draw shell
In vitro.
The piezoelectric cantilever includes copper sheet, and the upper surface and lower end surface of copper sheet are respectively connected with piezoelectric ceramic wafer, copper sheet
Pass through conductive glue connection with piezoelectric ceramic wafer, the piezoelectric cantilever outer end has metal hand hammer.
The position that the upper housing corresponds to copper post is provided with aperture, the copper post pass through aperture and can in aperture on move down
Dynamic, the lower case is equipped with strip groove corresponding with piezoelectric cantilever, and the piezoelectric cantilever is placed in strip groove.
The resettlement groove that the lower case is equipped with, integrated circuit board are placed in resettlement groove, and the resettlement groove is located at strip groove
Central area, through-hole is provided on the resettlement groove, and second conducting wire passes through through-hole and draws outside shell.
Copper post bottom is equipped with hole slot, and piezoelectric cantilever is plugged in hole slot.
The lower layer of the upper housing upper layer and lower case is solid layer, and shell material is GF nylon plastic(s), the upper casing
Body bottom margin has several equally distributed baltimore grooves, and the lower case upper end edge has and the matched convex of baltimore groove
Slot, baltimore groove and convex slot are mutually inserted and bond by the way that epoxy glue is fixed.
It,, will in piezo-electric device under action of traffic loading by the piezo-electric device being embedded in runway in the present invention
Mechanical energy switchs to electric energy, and electric energy is transferred to distribution box by conducting wire, is transmitted electric power by distributing cabinet to electrical equipment, without outer
The power supply connect, that is, complete self-powered process, and green low-carbon can be recycled.The piezo-electric device that this method is related to, shell upper end
Arch copper sheet and lower end flat shape copper sheet and shell formed duplicate protection effect, extend the service life of device.In traffic
Load action stress and during recalling, can generate bigger deformation, drive piezoelectric cantilever beam deflection after arch copper sheet stress
It deforms more obvious, drives the piezoelectric ceramic wafer alternating bending deformation on piezoelectric cantilever to generating higher electric energy, hold
The metal hand hammer in portion increases piezoelectric cantilever deformation radian and extends its duration of oscillation, drives piezoelectric cantilever beam deformed more
Obviously, to generate higher piezoelectricity energy.
Detailed description of the invention
The present invention has following attached drawing:
Fig. 1 is the schematic diagram of the section structure of one of present invention tunnel internal self power generation and confession method for electrically；
Fig. 2 is a kind of structural schematic diagram of tunnel internal self power generation and confession method for electrically in Fig. 1；
Fig. 3 is the plane arrangement structure schematic diagram of one of Fig. 1 tunnel internal self power generation and confession method for electrically；
Fig. 4 is the schematic diagram of the section structure of one of Fig. 1 piezoelectric transducer device；
Fig. 5 is the structural schematic diagram of one of Fig. 4 shell of piezoelectric transducer device；
Fig. 6 is the structural schematic diagram of the bottom of the upper housing of piezoelectric transducer device one of Fig. 4；
Fig. 7 is the top structure schematic diagram of one of Fig. 4 lower case of piezoelectric transducer device；
Fig. 8 is the structural schematic diagram of one of Fig. 4 piezoelectric cantilever of piezoelectric transducer device；
Fig. 9 is the side structure schematic diagram of one of Fig. 8 piezoelectric cantilever of piezoelectric transducer device.
Specific embodiment
Attached drawing illustrates technical solution of the present invention and embodiment, further describes embodiment in conjunction with attached drawing below
Each related details and its working principle.
Shown in referring to FIG. 1, FIG. 2 and FIG. 3, the present invention provides a kind of tunnel internal self power generation and confession method for electrically, if dry-pressing
Electrical switching device 1 is uniformly embedded in the runway in tunnel, and 1 conducting wire of piezoelectric transducer device connects distribution box 2, distribution box 2
The electrical equipment in tunnel, horizontal and vertical horizontal alignment between the piezoelectric transducer device 1, pressure are transmitted to by defeated spool 3
Electrical switching device 1 is placed in wheelmark and rolls in region, and the piezoelectric transducer device 1 is connected by conductor in parallel, wire termination access
In distribution box 2.
A kind of implementation steps of tunnel internal self power generation and confession method for electrically:
(1) the pre-buried point of piezoelectric transducer device 1 is chosen, guarantees laterally and longitudinally horizontal alignment, each embedded point of measurement arrives section respectively
The distance of graticule, it is ensured that the position of pre-buried point is located at wheelmark and rolls in region, and pre-buried point drilling opens up matched with piezo-electric device
Fluting 4, complete drilling fluting 4 after, in pit slot clast and ponding clear up, until clean dried until, fluting quantity
It is matched with piezoelectric transducer device, fluting side is provided with wire casing 5, and the conducting of wire casing 5 is connected on bus duct 6, and bus duct 6, which extends to, matches
Electronic box 2.
(2) 4 filling asphaltmastic 7 of fluting, piezoelectric transducer device 1 are placed in fluting 4, guarantee that its level is placed, asphaltmastic
7 improve the cohesive strength of piezoelectric transducer device 1 and runway asphalt surface course, and the conducting wire of piezoelectric transducer device uses the side of being connected in parallel
Bus duct 6 is drawn by wire casing 5 and are summarized in formula, conducting wire, is accessed in distribution box by bus duct 6.
(3) gap and wire casing gap are filled and are compacted by asphaltmastic between slotted wall and piezoelectric transducer device 1, then
Cementation of fissures Seal treatment is carried out to pit slot using modified pitch, flushes piezoelectric transducer device 1 with road surface.
(4) distribution box 2 is set on the inside of tunnel, and the electrical equipment in tunnel is accessed in distribution box by electric wire, electrical equipment example
Such as illumination, air draft.
(5) 1 upper surface of piezoelectric transducer device overlays antiskid coating, improves travel safety.
Referring to shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, a kind of piezoelectric transducer device 1, including shell, the shell
Including upper housing 8 and lower case 9,8 upper end of upper housing is equipped with the arch copper sheet 10 to arch upward upwards, the lower case lower end tool
There is the flat shape copper sheet 11 being in a horizontal state, 10 lower end surface of arch copper sheet is connected with copper post 12, and the bottom of the copper post 12 is equal
The even multiple piezoelectric cantilevers 13 of grafting, the copper post 12 are connected to arch copper sheet lower surface intermediate ends, arch copper sheet lower end surface with
There is hollow space 13, the upper housing 8, which is equipped with, to be passed through and open with the matched aperture 14 of copper post 12, the copper post 12 between upper housing
Hole 14 can simultaneously move up and down in aperture 14, and 12 bottom of copper post is equipped with hole slot 28, and multiple piezoelectric cantilevers 13 are uniformly plugged on copper
In column bottom hole slot 28, the angle two-by-two between piezoelectric cantilever 13 is all the same, and the lower case 9 is equipped with and piezoelectric cantilever phase
Corresponding strip groove 15, the piezoelectric cantilever are placed in strip groove 15, and the piezoelectric cantilever 13 can be in the sky of strip groove 15
Intracavitary bending, 15 quantity of strip groove is identical as piezoelectric cantilever 13, and the piezoelectric cantilever 13 includes copper sheet 16, copper
The upper surface and lower end surface of piece are respectively connected with piezoelectric ceramic wafer 17, and copper sheet 16 and piezoelectric ceramic wafer 17 pass through conductive glue connection
It connects, piezoelectric ceramic wafer 17 generates charge in bending deformation, and under action of traffic loading, the lower compressive strain of arch copper sheet 10 passes through
Copper post 12 drives 13 bending deformation of piezoelectric cantilever to greatest extent, and when load action removes, arch copper sheet 10 is sprung back, and pressure is outstanding
Alternating bending during arch copper sheet 10 pushes and springs back of arm beam 13 deforms, and 13 outer end of piezoelectric cantilever has gold
Belong to hand hammer 18, piezoelectricity overarm arm alternating bending rebound during, metal hand hammer 18 increase piezoelectric cantilever deformation radian and
Extend its duration of oscillation, under the action of 13 alternating bending deformation of piezoelectric cantilever and metal hand hammer, extends piezoelectric cantilever and do
Function time, piezoelectric ceramic wafer 17 generate higher electric energy in alternating bending deformation, the resettlement groove 19 that the lower case is equipped with,
20 plate of integrated circuit is placed in resettlement groove 19, and the resettlement groove 19 is located at the central area of strip groove 15, the resettlement groove 19
In 12 lower section of copper post, the integrated circuit board 20 is connect with piezoelectric cantilever 13 by the first conducting wire 22, and piezoelectric cantilever 13 produces
Raw charge is collected to integrated circuit board 20, and the shell is equipped with the through-hole be connected with resettlement groove 19, the integrated electricity
Road plate 20 is equipped with the second conducting wire 21, and second conducting wire 21 passes through through-hole 23 and draws outside shell, and the second conducting wire 21 passes through wire casing 5
Bus duct 6 is drawn and be summarized in, is accessed in distribution box 2 by bus duct 6, the electric energy on integrated circuit board 20 passes through the second conducting wire
Electric energy is drawn and is summarized to distribution box 2 by 21, and 1 bottom margin of upper housing has several equally distributed baltimore grooves 25,
The lower case upper end edge, which has, to be mutually inserted and leads to convex slot 26 with the matched convex slot 26 of baltimore groove, baltimore groove 25
It crosses epoxy glue fixation to bond, the lower layer of the upper housing upper layer and lower case is solid layer 27, and the shell material is GF Buddhist nun
Imperial plastics, the arch copper sheet 10 of shell upper end and the flat shape copper sheet 11 of lower end and shell form the effect of duplicate protection, and extending should
The service life of device.
Claims (10)
1. a kind of tunnel internal self power generation and confession method for electrically, it is characterized in that: several piezoelectric transducer devices are uniformly embedded in tunnel
Runway in, the piezoelectric transducer device conducting wire connects distribution box, and distribution box is transmitted to the electricity consumption in tunnel by defeated spool
Equipment.
2. a kind of tunnel internal self power generation according to claim 1 and confession method for electrically, it is characterized in that: the piezoelectricity is converted
Horizontal and vertical horizontal alignment, piezoelectric transducer device are placed in wheelmark and roll in region between device.
3. a kind of tunnel internal self power generation according to claim 1 or 2 and confession method for electrically, it is characterized in that: the piezoelectricity
Conversion equipment is connected by conductor in parallel, and wire termination accesses in distribution box.
4. a kind of tunnel internal self power generation according to claim 3 and confession method for electrically, it is characterized in that: including following implementation
Step:
(1) the pre-buried point of piezoelectric transducer device is chosen, and pre-buried point is opened up with the matched fluting of piezo-electric device, and quantity of slotting and piezoelectricity turn
Changing device matching, fluting side are provided with wire casing, and wire casing conducting is connected on bus duct, and bus duct extends to distribution box；
(2) fluting filling asphaltmastic, piezoelectric transducer device are placed in fluting, and the conducting wire of piezoelectric transducer device, which uses, to be connected in parallel
Bus duct is drawn by wire casing and be summarized in mode, is accessed in distribution box by bus duct；
(3) gap and wire casing gap are filled and are compacted by asphaltmastic between slotted wall and piezoelectric transducer device, and recycling changes
Property pitch to pit slot carry out cementation of fissures Seal treatment, flush piezoelectric transducer device with road surface；
(4) distribution box is set on the inside of tunnel, and the electrical equipment in tunnel is accessed in distribution box by electric wire；
(5) the piezoelectric transducer device upper surface overlays antiskid coating.
5. a kind of piezoelectric transducer device, including shell, it is characterized in that: the shell includes upper housing and lower case, the upper casing
Body upper end is equipped with the arch copper sheet to arch upward upwards, and the lower case lower end has the flat shape copper sheet being in a horizontal state, described
Arch copper sheet lower end surface is connected with copper post, the multiple piezoelectric cantilevers of the uniform grafting in the bottom of the copper post, is equipped in the shell
Integrated circuit board, integrated circuit board are connect with piezoelectric cantilever by the first conducting wire, have second to lead on the integrated circuit board
Line is drawn outside shell.
6. a kind of piezoelectric transducer device according to claim 5, it is characterized in that: the piezoelectric cantilever includes copper sheet, copper
The upper surface and lower end surface of piece are respectively connected with piezoelectric ceramic wafer, and copper sheet and piezoelectric ceramic wafer pass through conductive glue connection, described
Piezoelectric cantilever outer end has metal hand hammer.
7. a kind of piezoelectric transducer device according to claim 5 or 6, it is characterized in that: the upper housing corresponds to the position of copper post
It sets and is provided with aperture, the copper post passes through aperture and can move up and down in aperture, and the lower case is equipped with and piezoelectric cantilever phase
Corresponding strip groove, the piezoelectric cantilever are placed in strip groove.
8. a kind of piezoelectric transducer device according to claim 7, it is characterized in that: the resettlement groove that the lower case is equipped with, collection
It is placed in resettlement groove at circuit board, the resettlement groove is located at the central area of strip groove, and the shell is equipped with and leads with resettlement groove
Logical through-hole, second conducting wire pass through through-hole and draw outside shell.
9. a kind of piezoelectric transducer device according to claim 5 or 6 or 8, it is characterized in that: copper post bottom is equipped with hole slot, pressure
Electric cantilever beam is plugged in hole slot.
10. a kind of piezoelectric transducer device according to claim 9, it is characterized in that: the upper housing upper layer and lower case
Lower layer is solid layer, and shell material is GF nylon plastic(s), and the upper housing bottom margin has several equally distributed spills
Slot, the lower case upper end edge, which has, to be mutually inserted and passes through with convex slot with the matched convex slot of baltimore groove, baltimore groove
The fixed bonding of epoxy glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910202626.3A CN110048639A (en) | 2019-03-18 | 2019-03-18 | A kind of tunnel internal self power generation and self-powered method and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910202626.3A CN110048639A (en) | 2019-03-18 | 2019-03-18 | A kind of tunnel internal self power generation and self-powered method and device thereof |
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| Publication Number | Publication Date |
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| CN110048639A true CN110048639A (en) | 2019-07-23 |
Family
ID=67274896
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910202626.3A Pending CN110048639A (en) | 2019-03-18 | 2019-03-18 | A kind of tunnel internal self power generation and self-powered method and device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594797A (en) * | 2020-06-18 | 2020-08-28 | 河北工业大学 | Tunnel fire self-powered lighting system and use method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964602A (en) * | 2009-07-24 | 2011-02-02 | 王铁汉 | Road vibration generating method and device |
| CN201797452U (en) * | 2010-01-26 | 2011-04-13 | 陈建明 | Power generating device using broadband noise |
| CN102790548A (en) * | 2012-07-18 | 2012-11-21 | 天津大学 | Bistable composite cantilever beam piezoelectric power generating device |
| CN203883700U (en) * | 2014-05-16 | 2014-10-15 | 浙江大学 | Generation apparatus making use of traffic load |
| CN104158436A (en) * | 2014-07-02 | 2014-11-19 | 苏州市职业大学 | Road surface energy collection system |
-
2019
- 2019-03-18 CN CN201910202626.3A patent/CN110048639A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964602A (en) * | 2009-07-24 | 2011-02-02 | 王铁汉 | Road vibration generating method and device |
| CN201797452U (en) * | 2010-01-26 | 2011-04-13 | 陈建明 | Power generating device using broadband noise |
| CN102790548A (en) * | 2012-07-18 | 2012-11-21 | 天津大学 | Bistable composite cantilever beam piezoelectric power generating device |
| CN203883700U (en) * | 2014-05-16 | 2014-10-15 | 浙江大学 | Generation apparatus making use of traffic load |
| CN104158436A (en) * | 2014-07-02 | 2014-11-19 | 苏州市职业大学 | Road surface energy collection system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594797A (en) * | 2020-06-18 | 2020-08-28 | 河北工业大学 | Tunnel fire self-powered lighting system and use method |
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| CB03 | Change of inventor or designer information |
Inventor after: Wang Jun Inventor after: Fu Hongtao Inventor after: Dong Quanyang Inventor after: Sun Qi Inventor after: Ni Junfeng Inventor after: Gao Ziyang Inventor after: Ding Guangya Inventor after: Zhao Xiaoxia Inventor after: Gao Shihu Inventor after: Cai Yuanqiang Inventor after: Yuan Guohui Inventor after: Guo Lin Inventor after: Gu Chuan Inventor after: Wang Peng Inventor before: Wang Jun Inventor before: Fu Hongtao Inventor before: Dong Quanyang Inventor before: Sun Qi Inventor before: Ni Junfeng Inventor before: Gao Ziyang Inventor before: Ding Yaguang Inventor before: Zhao Xiaoxia Inventor before: Gao Shihu Inventor before: Cai Yuanqiang Inventor before: Yuan Guohui Inventor before: Guo Lin Inventor before: Gu Chuan Inventor before: Wang Peng |
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Application publication date: 20190723 |
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