CN112185140A - Automatic adjusting device for solar traffic light - Google Patents

Automatic adjusting device for solar traffic light Download PDF

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Publication number
CN112185140A
CN112185140A CN202011047777.5A CN202011047777A CN112185140A CN 112185140 A CN112185140 A CN 112185140A CN 202011047777 A CN202011047777 A CN 202011047777A CN 112185140 A CN112185140 A CN 112185140A
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China
Prior art keywords
shell
fixedly connected
contact
outside
fixed connection
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Withdrawn
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CN202011047777.5A
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Chinese (zh)
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沈兴洪
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Individual
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Individual
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Priority to CN202011047777.5A priority Critical patent/CN112185140A/en
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    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/095Traffic lights
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00Supporting structures for PV modules
    • H02S20/30Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H02S20/32Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/20Optical components
    • H02S40/22Light-reflecting or light-concentrating means
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/52PV systems with concentrators

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Traffic Control Systems (AREA)

Abstract

The invention relates to the technical field of smart cities, and discloses an automatic adjusting device for a solar traffic light, which comprises a shell, wherein a photosensitive assembly is fixedly connected inside the shell, a first electromagnet is fixedly connected inside the shell, a touch bar is fixedly connected outside the first electromagnet, a contact point is fixedly connected outside the touch bar, an expansion spring is fixedly connected outside the first electromagnet, and a first iron block is fixedly connected outside the expansion spring; under the interact through between shell, photosensitive element, photovoltaic board, soft shell, lug, electro-magnet two, supporting spring, iron plate two, the red green pilot lamp, can be so that when overcast and rainy day, electro-magnet two can attract iron plate two to make the soft shell warp, and under the effect of lug, make the soft shell become convex lens, will like this focus on the photovoltaic board illumination, and then can comparatively effectually utilize the solar energy.

Description

Automatic adjusting device for solar traffic light
Technical Field
The invention relates to the technical field of smart cities, in particular to an automatic adjusting device for solar traffic lights.
Background
Along with the development of society's progress and science and technology, the traffic lights in the construction of wisdom city has gradually merged into people's life, also receive people's attention to the electricity generation mode of traffic lights simultaneously widely, but current traffic lights are usually with fossil energy as its main electricity generation mode, be unfavorable for the protection of environment like this, and some solar energy electricity generation's traffic lights also only carry out the fixed of specific position to solar panel, will make solar panel can not follow the change of sun and change like this, thereby will cause the waste of the energy, so also can not comparatively effectual utilization solar energy, and current solar energy electricity generation's traffic lights also can not carry out the gathering of solar energy according to the change of weather, just so be unfavorable for effective utilization of solar energy.
Therefore, in order to solve these problems, an automatic adjusting device for solar traffic lights is needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an automatic adjusting device for a solar traffic light, which has the advantages of automatically adjusting according to the weather and the illumination intensity and effectively utilizing solar energy, and solves the problems that the existing traffic light usually takes fossil energy as a main power generation mode, which is not beneficial to environmental protection, and the existing solar power generation traffic light only fixes a specific position of a solar panel, so that the solar panel cannot change along with the change of the sun, the energy is wasted, the solar energy cannot be effectively utilized, and the existing solar power generation traffic light cannot gather the solar energy according to the change of the weather, so that the effective utilization of the solar energy is not beneficial.
(II) technical scheme
In order to realize the purposes of automatically adjusting according to weather and illumination intensity and effectively utilizing solar energy, the invention provides the following technical scheme: an automatic adjusting device for a solar traffic light comprises a shell, wherein a photosensitive assembly is fixedly connected inside the shell, a first electromagnet is fixedly connected inside the shell, a contact rod is fixedly connected outside the first electromagnet, a contact point is fixedly connected outside the contact rod, a telescopic spring is fixedly connected outside the first electromagnet, a first iron block is fixedly connected outside the telescopic spring, a contact piece is fixedly connected outside the first iron block, a rotating assembly is movably connected inside the shell, a worm is movably connected outside the rotating assembly, a worm gear is meshed outside the worm, a transmission gear is meshed outside the worm gear, a connecting rod is fixedly connected outside the transmission gear, a fixed plate is movably connected outside the connecting rod, a photovoltaic plate is fixedly connected outside the fixed plate, and a soft shell is fixedly connected outside the fixed plate, the inside fixedly connected with lug of soft shell, the inside fixedly connected with electro-magnet two of soft shell, the outside fixedly connected with supporting spring of electro-magnet two, supporting spring's outside fixedly connected with iron plate two, the outside fixedly connected with clockwork spring of worm, the inside fixedly connected with red green pilot lamp of shell.
Preferably, the surface of the shell is provided with a sliding groove, and the connecting rod is movably connected to the inner side of the sliding groove.
Preferably, the number of the contacts is four, the four contacts are equally divided into two groups, the specifications of the two contacts in each group are matched, the positions of the two contacts in each group are corresponding, the two contacts are provided with a first contact and a second contact, the first contact is fixedly connected to the outside of the first iron block, the second contact is fixedly connected to the inside of the shell, and the specifications of the first contact and the second contact are matched and the positions of the first contact and the second contact are corresponding.
Preferably, the rotating assembly mainly comprises a motor, a first rotating rod, an annular electromagnet, a first spring, a third iron block and a convex rod, the motor is fixedly connected inside the shell, the first rotating rod is fixedly connected outside the motor, the annular electromagnet is fixedly connected outside the first rotating rod, the first spring is fixedly connected outside the annular electromagnet, the third iron block is fixedly connected outside the first spring, and the convex rod is fixedly connected outside the third iron block.
Preferably, the worm is fixedly connected with a convex pin inside, a groove is formed between every two convex pins, and the specification of the groove is matched with that of the convex rod.
Preferably, the inner side of the transmission gear is fixedly connected with a second rotating rod, the outer part of the second rotating rod is fixedly connected with a connecting rod, and the second rotating rod is movably connected inside the shell.
Preferably, photosensitive element mainly comprises shading shell, transparent shell, photo resistance, and shading shell fixed connection is in the inside of shell, and transparent shell inlays on the surface of shading shell, and photo resistance swing joint is in the inside of shading shell, and photosensitive element has two, and it is first photosensitive element and second photosensitive element respectively, and first photosensitive element fixed connection is in the inside of shell, and second photosensitive element fixed connection is in the inside of soft shell to the soft shell adopts transparent material.
Preferably, the inside fixedly connected with battery of photovoltaic board, contact, electro-magnet one, electro-magnet two, annular electro-magnet, photo resistance, motor, battery all are connected with the control maincenter electricity.
(III) advantageous effects
Compared with the prior art, the invention provides an automatic adjusting device for a solar traffic light, which has the following beneficial effects:
1. this an automatic regulating apparatus for solar energy traffic lights, through the shell, photosensitive assembly, electro-magnet one, the feeler lever, the contact, expanding spring, iron plate one, the contact, rotating assembly, the worm wheel, drive gear, the connecting rod, the fixed plate, the photovoltaic board, the soft shell, the clockwork spring, under the interact between the red green pilot lamp, can be so that the photovoltaic board among the day can be according to illumination intensity's change and its angle of automatically regulated, and when not having illumination night, the photovoltaic board can return to the position that the morning sun raised, just so can comparatively effectually utilize the solar energy.
2. This an automatic regulating apparatus for solar energy traffic lights, through the shell, photosensitive element, the photovoltaic board, the soft shell, the lug, electro-magnet two, supporting spring, iron plate two, under the interact between the red green pilot lamp, can be so that when overcast and rainy day, electro-magnet two can attract iron plate two, thereby make the soft shell warp, and under the effect of lug, make the soft shell become convex lens, will focus on the photovoltaic board illumination like this, and then can comparatively effectually utilize the solar energy.
Drawings
FIG. 1 is a schematic partial cross-sectional view of the inventive structure;
FIG. 2 is a schematic view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic view of the connection relationship between the first electromagnet, the first contact rod, the contact, the expansion spring, the first iron block and the first contact piece;
FIG. 5 is a schematic view of the connection between the rotating assembly and the worm according to the present invention;
FIG. 6 is a schematic view of the connection between the rotating worm and the spring according to the present invention.
In the figure: 1. a housing; 2. a photosensitive element; 3. an electromagnet I; 4. a feeler lever; 5. a contact; 6. a tension spring; 7. a first iron block; 8. a contact piece; 9. a rotating assembly; 10. a worm; 11. a worm gear; 12. a transmission gear; 13. a connecting rod; 14. a fixing plate; 15. a photovoltaic panel; 16. a soft shell; 17. a bump; 18. an electromagnet II; 19. a support spring; 20. a second iron block; 21. a clockwork spring; 22. a red and green indicator light.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an automatic adjusting device for solar traffic lights comprises a housing 1, a photosensitive assembly 2 fixedly connected to the inside of the housing 1, an electromagnet i 3 fixedly connected to the inside of the housing 1, a touch bar 4 fixedly connected to the outside of the electromagnet i 3, contacts 5 fixedly connected to the outside of the touch bar 4, a telescopic spring 6 fixedly connected to the outside of the electromagnet i 3, an iron block i 7 fixedly connected to the outside of the telescopic spring 6, a contact sheet 8 fixedly connected to the outside of the iron block i 7, four contacts 5 divided into two groups, two contacts 5 in each group are matched in specification and correspond in position, and two contact sheets 8, the first contact piece 8 and the second contact piece 8 are respectively arranged, the first contact piece 8 is fixedly connected to the outer portion of the first iron block 7, the second contact piece 8 is fixedly connected to the inner portion of the shell 1, and the first contact piece 8 is matched with the second contact piece 8 in specification and corresponds to the second contact piece 8 in position.
The inside swing joint of shell 1 has runner assembly 9, runner assembly 9 mainly comprises motor, bull stick one, annular electromagnet, spring one, iron plate three, the projecting rod, and motor fixed connection is in the inside of shell 1, and a bull stick fixed connection is in the outside of motor, and annular electromagnet fixed connection is in the outside of bull stick one, and spring one fixed connection is in annular electromagnet's outside, and three fixed connection of iron plate are in the outside of spring one, and projecting rod fixed connection is in the outside of iron plate three.
The outer part of the rotating component 9 is movably connected with a worm 10, the inner part of the worm 10 is fixedly connected with convex pins, a groove is formed between every two convex pins, and the specification of the groove is matched with that of the convex rod.
A worm wheel 11 is meshed outside the worm 10, a transmission gear 12 is meshed outside the worm wheel 11, a connecting rod 13 is fixedly connected outside the transmission gear 12, a second rotating rod is fixedly connected inside the transmission gear 12, the connecting rod 13 is fixedly connected outside the second rotating rod, and the second rotating rod is movably connected inside the shell 1; the surface of the shell 1 is provided with a sliding groove, and the connecting rod 13 is movably connected to the inner side of the sliding groove.
Connecting rod 13's outside swing joint has fixed plate 14, fixed plate 14's outside fixedly connected with photovoltaic board 15, fixed plate 14's outside fixedly connected with soft shell 16, photosensitive element 2 mainly is by the shading shell, transparent shell, the photo resistance is constituteed, shading shell fixed connection is in the inside of shell 1, the surface at the shading shell is inlayed to transparent shell, photo resistance swing joint is in the inside of shading shell, and photosensitive element 2 has two, it is first photosensitive element 2 and second photosensitive element 2 respectively, 2 fixed connection of first photosensitive element is in the inside of shell 1, 2 fixed connection of second photosensitive element is in the inside of soft shell 16, and soft shell 16 adopts transparent material.
The inner part of the soft shell 16 is fixedly connected with a convex block 17, the inner part of the soft shell 16 is fixedly connected with a second electromagnet 18, the inner part of the photovoltaic panel 15 is fixedly connected with a storage battery, and the contact 5, the contact 8, the first electromagnet 3, the second electromagnet 18, the annular electromagnet, the photoresistor, the motor and the storage battery are all electrically connected with the control center.
A supporting spring 19 is fixedly connected to the outside of the second electromagnet 18, a second iron block 20 is fixedly connected to the outside of the supporting spring 19, a spring 21 is fixedly connected to the outside of the worm 10, a red-green indicator light 22 is fixedly connected to the inside of the shell 1, the first electromagnet 3, the feeler lever 4, the contact 5, the extension spring 6, the first iron block 7, the contact piece 8, the rotating component 9, the worm 10, the worm wheel 11, the transmission gear 12, the connecting rod 13, the fixing plate 14, the photovoltaic panel 15, the soft shell 16, the spring 21 and the red-green indicator light 22 are interacted, so that the photovoltaic panel 15 can automatically adjust the angle of the day according to the change of illumination intensity, and when no illumination exists at night, the photovoltaic panel 15 can return to the position where the sun rises in the morning, and thus the solar energy can be effectively utilized, and the solar energy can be transmitted through the shell 1, the photosensitive component 2, the, Under the mutual action between photovoltaic board 15, soft shell 16, lug 17, two 18 electromagnets, supporting spring 19, two 20 iron plate, red green pilot lamp 22, can be so that when overcast and rainy day, two 18 electromagnets can attract two 20 iron plate to make soft shell 16 warp, and under the effect of lug 17, make soft shell 16 become convex lens, will like this focus illumination on photovoltaic board 15, and then can comparatively effectual utilization solar energy.
The working principle is that when the device starts to be started, the sun rises, the photovoltaic panel 15 starts to generate electricity, at the moment, the illumination angle of sunlight is constantly changed, the illumination intensity sensed by the photoresistor in the second photosensitive assembly 2 is changed, when the resistance value of the photoresistor in the second photosensitive assembly 2 is lower than the resistance value corresponding to the optimum illumination, the current in the electromagnet I3 is reduced, at the moment, the capacity of the electromagnet I3 for attracting the iron block I7 is weakened, the iron block I7 moves away from the electromagnet I3 under the action of the expansion spring 6, the movement of the iron block I7 drives the movable contact rod 4 to move, the movement of the contact rod 4 drives the movable contact 5 to move, when the two contacts 5 are separated, the control center controls the motor to rotate, the motor rotates to drive the worm 10 to rotate, the worm 10 rotates to drive the worm wheel 11 to rotate, the worm wheel 11 rotates to drive the transmission gear 12 to, the transmission gear 12 rotates to drive the connecting rod 13 to move, the connecting rod 13 moves to drive the fixing plate 14 to move, at the moment, the photovoltaic plate 15 is fixedly connected to the outer part of the fixing plate 14, so that the fixing plate 14 moves to drive the photovoltaic plate 15 to move, the photovoltaic plate 15 moves to drive the soft shell 16 to move, the soft shell 16 moves to drive the second photosensitive assembly 2 to move, and the control center controls the motor to stop rotating until the second photosensitive assembly 2 senses normal illumination intensity; when being in night, the photosensitive resistance in the second photosensitive assembly 2 response can not be to illumination, electro-magnet 3 does not have the electric current to pass through this moment, then electro-magnet 3 no longer attracts iron plate one 7, drive contact 8 motion under expanding spring 6's effect this moment, when two contact 8 contacts, control central pivot control battery is for the circular electromagnet circular telegram back attraction magnet three, magnet three motion drives the nose bar motion, break away from the recess until the nose bar, make worm 10 antiport under the effect of clockwork spring 21 at this moment, and the same reason, will make photovoltaic board 15 get back to the angle of beginning like this.
When in rainy days, the resistance value of the photosensitive resistor in the first photosensitive assembly 2 is lower than the resistance value corresponding to the most suitable illumination, at the moment, the control center can control the storage battery to electrify the second electromagnet 18, the second electromagnet 18 is electrified to attract the second iron block 20, the second iron block 20 moves to drive the soft shell 16 to move, so that the soft shell 16 is deformed, and at the moment, the soft shell 16 is changed into the convex lens under the action of the convex block 17, so that the effect of gathering light is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. An automatic regulating device for solar traffic lights, comprising a casing (1), characterized in that: the solar cell module comprises a shell (1), a photosensitive assembly (2), an electromagnet I (3), a feeler lever (4), a contact lever (5), an expansion spring (6), an iron block I (7), a contact piece (8), a rotating assembly (9), a worm (10), a worm wheel (11), a transmission gear (12), a connecting rod (13), a contact rod (4), an expansion spring (6), an iron block I (7), a contact piece (8), a rotating assembly (9), a worm gear (10), a worm wheel (11), a transmission gear (12), and a connecting rod (13), the outside swing joint of connecting rod (13) has fixed plate (14), the outside fixedly connected with photovoltaic board (15) of fixed plate (14), the outside fixedly connected with soft shell (16) of fixed plate (14), the inside fixedly connected with lug (17) of soft shell (16), the inside fixedly connected with electro-magnet two (18) of soft shell (16), the outside fixedly connected with supporting spring (19) of electro-magnet two (18), the outside fixedly connected with iron plate two (20) of supporting spring (19), outside fixedly connected with clockwork spring (21) of worm (10), the inside fixedly connected with red green pilot lamp (22) of shell (1).
2. An automatic adjustment device for solar traffic lights, according to claim 1, characterized in that: the surface of the shell (1) is provided with a sliding chute, and the connecting rod (13) is movably connected to the inner side of the sliding chute.
3. An automatic adjustment device for solar traffic lights, according to claim 1, characterized in that: contact (5) have four, and four contacts (5) are equallyd divide into two sets ofly, and two contacts (5) specification homogeneous phase in every group match and the position homogeneous phase corresponds to contact (8) have two, and it is first contact (8) and second contact (8) respectively, and first contact (8) fixed connection is in the outside of iron plate (7), and second contact (8) fixed connection is in the inside of shell (1), and the specification phase-match and the position of first contact (8) and second contact (8) are corresponding.
4. An automatic adjustment device for solar traffic lights, according to claim 1, characterized in that: rotating assembly (9) mainly comprise motor, bull stick one, annular electromagnet, spring one, iron plate three, protruding pole, and motor fixed connection is in the inside of shell (1), and a bull stick fixed connection is in the outside of motor, and annular electromagnet fixed connection is in the outside of bull stick one, and spring one fixed connection is in the outside of annular electromagnet, and three fixed connection of iron plate are in the outside of spring one, and protruding pole fixed connection is in the outside of iron plate three.
5. An automatic adjustment device for solar traffic lights, according to claim 1, characterized in that: the inside fixedly connected with protruding round pin of worm (10), form a recess between per two protruding round pins, and the specification of recess and the specification phase-match of nose bar.
6. An automatic adjustment device for solar traffic lights, according to claim 1, characterized in that: the inner side of the transmission gear (12) is fixedly connected with a second rotating rod, the outer part of the second rotating rod is fixedly connected with a connecting rod (13), and the second rotating rod is movably connected inside the shell (1).
7. An automatic adjustment device for solar traffic lights, according to claim 1, characterized in that: photosensitive element (2) mainly comprises shading shell, transparent shell, photo resistance, shading shell fixed connection is in the inside of shell (1), transparent shell inlays on the surface of shading shell, photo resistance swing joint is in the inside of shading shell, and photosensitive element (2) have two, it is first photosensitive element (2) and second photosensitive element (2) respectively, first photosensitive element (2) fixed connection is in the inside of shell (1), second photosensitive element (2) fixed connection is in the inside of soft shell (16), and soft shell (16) adopt transparent material.
8. An automatic adjustment device for solar traffic lights, according to claim 1, characterized in that: the photovoltaic panel (15) is internally and fixedly connected with a storage battery, and the contact (5), the contact piece (8), the electromagnet I (3), the electromagnet II (18), the annular electromagnet, the photoresistor, the motor and the storage battery are all electrically connected with the control center.
CN202011047777.5A 2020-09-29 2020-09-29 Automatic adjusting device for solar traffic light Withdrawn CN112185140A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011047777.5A CN112185140A (en) 2020-09-29 2020-09-29 Automatic adjusting device for solar traffic light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011047777.5A CN112185140A (en) 2020-09-29 2020-09-29 Automatic adjusting device for solar traffic light

Publications (1)

Publication Number Publication Date
CN112185140A true CN112185140A (en) 2021-01-05

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Application Number Title Priority Date Filing Date
CN202011047777.5A Withdrawn CN112185140A (en) 2020-09-29 2020-09-29 Automatic adjusting device for solar traffic light

Country Status (1)

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CN (1) CN112185140A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112857417A (en) * 2021-01-08 2021-05-28 深圳市宝测达科技有限公司 Energy-concerving and environment-protective atmospheric environment detection device
CN112865682A (en) * 2021-01-29 2021-05-28 柳州旭唐环保科技有限公司 New energy power generation device for high-temperature area

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112857417A (en) * 2021-01-08 2021-05-28 深圳市宝测达科技有限公司 Energy-concerving and environment-protective atmospheric environment detection device
CN112865682A (en) * 2021-01-29 2021-05-28 柳州旭唐环保科技有限公司 New energy power generation device for high-temperature area

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