CN109539033A - A kind of velocity tunnel cigarette sense protection safety flare - Google Patents

A kind of velocity tunnel cigarette sense protection safety flare Download PDF

Info

Publication number
CN109539033A
CN109539033A CN201811455088.0A CN201811455088A CN109539033A CN 109539033 A CN109539033 A CN 109539033A CN 201811455088 A CN201811455088 A CN 201811455088A CN 109539033 A CN109539033 A CN 109539033A
Authority
CN
China
Prior art keywords
lamp body
tunnel
cigarette sense
cooling fan
smog
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.)
Pending
Application number
CN201811455088.0A
Other languages
Chinese (zh)
Inventor
李新旗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Institute of Technology
Original Assignee
Shanghai Institute of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Institute of Technology filed Critical Shanghai Institute of Technology
Priority to CN201811455088.0A priority Critical patent/CN109539033A/en
Publication of CN109539033A publication Critical patent/CN109539033A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/60Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F21V29/673Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for intake
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/60Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F21V29/677Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for discharging
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00Structural combinations of lighting devices with other articles, not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10Outdoor lighting
    • F21W2131/101Outdoor lighting of tunnels or the like, e.g. under bridges
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The invention discloses a kind of velocity tunnel cigarette senses to protect safety flare; the cooling fan room being an integral structure including lamp body and above lamp body and with lamp body; the cooling fan chamber interior is the installation cavity with blower; installation cavity side has inlet channel and exhaust passage; installation cavity bottom has interface channel; the inlet channel, interface channel are connected with the air flow chamber inside lamp body, and air flow chamber bottom is equipped with circuit board, and circuit board bottom surface is pasted with multiple LED light groups;The cooling fan room upper half is set with the smog protective cover being slidably connected with it;The present apparatus can quickly radiate in a normal state; lighting condition safe in tunnel is kept conducive to permanent; and automatic sensing when urgent fire incident occurs in tunnel to protect; it avoids smog from entering to damage; effective emergency lighting condition is provided in smog; effective guidance is made for survivor, greatly improves the safety coefficient in tunnel.

Description

A kind of velocity tunnel cigarette sense protection safety flare
Technical field
The present invention relates to tunnel safety facility, safety flare is protected in specifically a kind of velocity tunnel cigarette sense.
Background technique
Motherland region is wide, and the landforms of various regions are had nothing in common with each other, so can encounter many sizes in the driving of expressway Small mountain tunnel.It drives a vehicle in tunnel, not only tunnel in insufficient light different from driving at night, the light when entering and leaving tunnel Variation also can be than stronger.
To guarantee the traffic safety in tunnel, tunnel top will be installed headlamp to provide the normal illumination of internal driving and need It asks, since headlamp needs persistently to work, the headlamp installed in tunnel at present has been provided with radiator structure mostly, but It is in case of emergency such as fire etc. in tunnel, current headlamp often has some problems, such as existing headlamp Radiator structure be mostly ventilative heat dissipation, in the case of fire, smog can enter lamp body in, the flue gas of high temperature may not only cover Cover influences light in lamp group propagates, it is also possible to which the damage that will cause route, causing can not when emergency needs to illuminate Work, has seriously affected the safety in tunnel.
Summary of the invention
The purpose of the present invention is to provide a kind of velocity tunnel cigarette senses to protect safety flare, to solve above-mentioned background technique The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme:
Safety flare is protected in a kind of velocity tunnel cigarette sense, including lamp body and is an integral structure above lamp body and with lamp body Cooling fan room, the lifting ear for device to be integrally fixed, the cooling fan room are additionally provided on lamp body top surface Inside is the installation cavity with blower, and installation cavity side has inlet channel and exhaust passage, and installation cavity bottom has connection logical Road, the inlet channel, interface channel are connected with the air flow chamber inside lamp body, and air flow chamber bottom is equipped with circuit board, circuit Board bottom face paste is equipped with multiple LED light groups;The cooling fan room upper half is set with the smog protective cover being slidably connected with it, and It is equipped with the cigarette sense regulating part for being used to support smog protective cover in cooling fan ceiling portion, is equipped in the air flow chamber and is adjusted with cigarette sense The smoke inductor that part is electrically connected.
The cigarette sense regulating part includes the lifting motor for being fixed on cooling fan room center of top, the output end of lifting motor Connection top has the elevating lever of fixed disk, and the horizontal bull stick being rotatablely connected with it, the horizontal bull stick are equipped in fixed disk two sides Front end is installed on smog protective cover inner wall, is respectively equipped with horizontal bull stick one by one in cooling fan ceiling portion, lifting motor two sides Corresponding vertical transfer bar, vertical transfer bar top are rotatably connected to the sliding sleeve being sleeved on outside horizontal bull stick, vertical transfer bar lower end and heat dissipation The rotation connection of fan house top surface;The horizontal bull stick front end is hemispherical, and smog protective cover inner wall has and horizontal bull stick front end phase Matched hemispherical groove.
As a preferred solution of the present invention: the lamp body bottom, which is equipped with, expands light lampshade, expands light lampshade edge and passes through sealant It is connect with lamp body sealing bottom surface, expands light lampshade section and be arc-shaped.
As further preferred embodiment of the invention: the lamp body two sides have answers with what smoke inductor was electrically connected Anxious indicator light, emergency indicator light issue the strong sodium yellow of penetration power at work.
Compared with prior art, the beneficial effects of the present invention are: the present apparatus can quickly radiate in a normal state, Automatic sensing is protected when keeping lighting condition safe in tunnel conducive to permanent, and urgent fire incident occurs in tunnel, It avoids smog from entering to damage, effective emergency lighting condition is provided in smog, make effective guidance for survivor, greatly The big safety coefficient improved in tunnel.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the cross-sectional view of lamp body in the present invention.
Fig. 3 is the structural schematic diagram of cigarette sense regulating part in the present invention.
1- lamp body in figure, 11- expand light lampshade, 12- air flow chamber, 13- circuit board, 14- smoke inductor, 15- lifting ear, 2- Cooling fan room, 21- inlet channel, 22- installation cavity, 23- exhaust passage, 24- blower, 25- interface channel, the protection of 3- smog Cover, 4- cigarette sense regulating part, 41- lifting motor, 42- elevating lever, 43- fixed disk, the horizontal bull stick of 44-, 45- vertical transfer bar, 46- sliding sleeve Cylinder, 5-LED lamp group.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right" "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
Embodiment 1:
It please refers to Fig. 1-3, a kind of velocity tunnel cigarette sense protection safety flare, including lamp body 1 and is located at 1 top of lamp body and and lamp The cooling fan room 2 that body 1 is an integral structure is additionally provided with the lifting for device to be integrally fixed on 1 top surface of lamp body Ear 15, is the installation cavity 22 with blower 24 inside the cooling fan room 2, and 22 side of installation cavity has inlet channel 21 and row Gas channel 23,22 bottom of installation cavity have interface channel 25, and the inlet channel 21, interface channel 25 are and inside lamp body 1 Air flow chamber 12 is connected, and 12 bottom of air flow chamber is equipped with circuit board 13, and 13 bottom surface of circuit board is pasted with multiple LED light groups 5;Conventional shape Under state, circuit board 13 and LED light group 5 generate heat when working, and atmosphere temperature rising in air flow chamber 12 is generated upward by blower 24 Air-flow drives air successively to flow along inlet channel 21, interface channel 25,23 direction of exhaust passage, by high temperature in air flow chamber 12 Air is taken out of, operates in device under suitable temperature environment;2 upper half of cooling fan room is set with to be slidably connected with it Smog protective cover 3, and be equipped at the top of cooling fan room 2 and be used to support the cigarette sense regulating part 4 of smog protective cover 3, the gas It is equipped with the smoke inductor 14 being electrically connected with cigarette sense regulating part 4 in stream chamber 12, when fire occurs in tunnel, smog enters gas When flowing in chamber 12, smoke inductor 14 senses smog and starts cigarette sense regulating part 4, makes smog by the movement of cigarette sense regulating part 4 Protective cover 3 is put down, and the inlet channel 21 of 2 side of cooling fan room, exhaust passage 23 are covered, and smog is avoided to enter to lamp body 1 Interior equipment damages, to can also guarantee effectively to illuminate when fire occurs, improves the security level in tunnel.
Specifically, the cigarette sense regulating part 4 includes the lifting motor 41 for being fixed on 2 center of top of cooling fan room, lifting The output end connection top of motor 41 has the elevating lever 42 of fixed disk 43, is equipped in 43 two sides of fixed disk and is rotatablely connected with it Horizontal bull stick 44, horizontal 44 front end of bull stick is installed on 3 inner wall of smog protective cover, at 2 top of cooling fan room, lifting motor 41 two sides be respectively equipped with the one-to-one vertical transfer bar 45 of horizontal bull stick 44, be rotatably connected at the top of vertical transfer bar 45 and be sleeved on horizontal bull stick Sliding sleeve 46 outside 44,45 lower end of vertical transfer bar and 2 top surface of cooling fan room are rotatablely connected, when smoke inductor 14 senses When smog, signal enabling lifting motor 41 is issued, lifting motor 41 drives elevating lever 42 to shrink, and makees by the support of vertical transfer bar 45 With rotating horizontal bull stick 44 centered on fixed disk 43, horizontal bull stick 44 is detached from 3 inner wall of smog protective cover and loses the branch to it Inlet channel 21 and exhaust passage 23 are closed in support effect, the whereabouts of smog protective cover 3, so as to avoid smog entrance, ensure that When smog diffusion occurs for fire, device is capable of providing illumination, and in the rotation process of horizontal bull stick 44, sliding sleeve 46 is at horizontal turn It is slided on bar 44, vertical transfer bar 45 is relatively rotated, and horizontal bull stick 44 is avoided to deviate from;Specifically, 44 front end of horizontal bull stick is in half It is spherical, and 3 inner wall of smog protective cover has the hemispherical groove to match with horizontal 44 front end of bull stick, this design avoids the need for cigarette Mist protective cover 3 blocks when falling, and ensure that the effective protection to equipment.
Embodiment 2:
The difference from embodiment 1 is that 1 bottom of lamp body, which is equipped with, expands light lampshade 11, expands 11 edge of light lampshade and pass through sealant It is connect with 1 sealing bottom surface of lamp body, expands 11 section of light lampshade and be arc-shaped, expand the light that light lampshade 11 can issue LED lamp bead 5 It is scattered, to improve its effective lighting range and by expanding light lampshade 11 to being sealed in lamp body 1, further increases The safety of device.
Embodiment 3:
The difference from embodiment 1 is that 1 two sides of lamp body have the emergency indicator light being electrically connected with smoke inductor 14, Emergency indicator light issues the strong sodium yellow of penetration power at work, and smoke inductor 14 starts emergency while incuding smog and refers to Show lamp, by the multiple present apparatus installed in tunnel, continuous instruction light bar can be formed at the top of exit passageway, guide people It flees from, to greatly improve the safety in tunnel.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. safety flare is protected in a kind of velocity tunnel cigarette sense, including lamp body (1) and be located above lamp body (1) and with lamp body (1) The cooling fan room (2) being an integral structure is additionally provided with the lifting for device to be integrally fixed on lamp body (1) top surface Ear (15), the internal cooling fan room (2) is the installation cavity (22) with blower (24), and installation cavity (22) side has air inlet Channel (21) and exhaust passage (23), installation cavity (22) bottom have interface channel (25), and the inlet channel (21), connection are logical Road (25) air flow chamber (12) internal with lamp body (1) is connected;It is characterized in that, cooling fan room (2) upper half set Equipped with the smog protective cover (3) being slidably connected with it, and it is equipped at the top of cooling fan room (2) and is used to support smog protective cover (3) cigarette sense regulating part (4), the air flow chamber (12) is interior to be equipped with the smoke inductor being electrically connected with cigarette sense regulating part (4) (14)。
2. safety flare is protected in a kind of velocity tunnel cigarette sense according to claim 1, which is characterized in that the air flow chamber (12) bottom is equipped with circuit board (13), and circuit board (13) bottom surface is pasted with multiple LED light groups (5).
3. safety flare is protected in a kind of velocity tunnel cigarette sense according to claim 1 or 2, which is characterized in that the cigarette Sense regulating part (4) includes the lifting motor (41) for being fixed on cooling fan room (2) center of top, the output end of lifting motor (41) Connection top has the elevating lever (42) of fixed disk (43), is equipped with the horizontal bull stick being rotatablely connected with it in fixed disk (43) two sides (44), horizontal bull stick (44) front end is installed on smog protective cover (3) inner wall.
4. safety flare is protected in a kind of velocity tunnel cigarette sense according to claim 3, which is characterized in that the radiation air Machine room (2) top, lifting motor (41) two sides are respectively equipped with and the one-to-one vertical transfer bar (45) of horizontal bull stick (44), vertical transfer bar (45) top, which is rotatably connected to, is sleeved on the external sliding sleeve (46) of horizontal bull stick (44), vertical transfer bar (45) lower end and cooling fan The rotation connection of room (2) top surface.
5. safety flare is protected in a kind of velocity tunnel cigarette sense according to claim 3, which is characterized in that the horizontal bull stick (44) front end is hemispherical, and smog protective cover (3) inner wall has the hemispherical groove to match with horizontal bull stick (44) front end.
6. safety flare is protected in a kind of velocity tunnel cigarette sense according to claim 1 or 2, which is characterized in that the lamp Body (1) bottom, which is equipped with, expands light lampshade (11), expands light lampshade (11) edge and is connect by sealant with lamp body (1) sealing bottom surface, is expanded Light lampshade (11) section is arc-shaped.
7. safety flare is protected in a kind of velocity tunnel cigarette sense according to claim 1 or 2, which is characterized in that the lamp Body (1) two sides have the emergency indicator light being electrically connected with smoke inductor (14), and emergency indicator light issues at work to be penetrated The strong sodium yellow of power.
CN201811455088.0A 2018-11-30 2018-11-30 A kind of velocity tunnel cigarette sense protection safety flare Pending CN109539033A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811455088.0A CN109539033A (en) 2018-11-30 2018-11-30 A kind of velocity tunnel cigarette sense protection safety flare

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811455088.0A CN109539033A (en) 2018-11-30 2018-11-30 A kind of velocity tunnel cigarette sense protection safety flare

Publications (1)

Publication Number Publication Date
CN109539033A true CN109539033A (en) 2019-03-29

Family

ID=65851771

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811455088.0A Pending CN109539033A (en) 2018-11-30 2018-11-30 A kind of velocity tunnel cigarette sense protection safety flare

Country Status (1)

Country Link
CN (1) CN109539033A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110440182A (en) * 2019-08-05 2019-11-12 黄玉煌 A kind of tunnel illumination equipment that timing is dust-proof
CN111486382A (en) * 2020-04-21 2020-08-04 熊龙 Fire control passageway is with penetrating strong antifog fire control lamp
CN111503535A (en) * 2020-05-18 2020-08-07 江苏佳强照明电器有限公司 Constant-current stable lamp wick for L ED lamp

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110440182A (en) * 2019-08-05 2019-11-12 黄玉煌 A kind of tunnel illumination equipment that timing is dust-proof
CN110440182B (en) * 2019-08-05 2021-06-08 深圳市中能泰富科技股份有限公司 Timing dustproof tunnel lighting equipment
CN111486382A (en) * 2020-04-21 2020-08-04 熊龙 Fire control passageway is with penetrating strong antifog fire control lamp
CN111503535A (en) * 2020-05-18 2020-08-07 江苏佳强照明电器有限公司 Constant-current stable lamp wick for L ED lamp
CN111503535B (en) * 2020-05-18 2021-10-26 江苏佳强照明电器有限公司 Constant-current stable lamp wick for LED lamp

Similar Documents

Publication Publication Date Title
CN109539033A (en) A kind of velocity tunnel cigarette sense protection safety flare
ITPD20110277A1 (en) LUMINOUS SIGNALER
CN106678568B (en) A kind of LED energy-saving lamp
CN205716878U (en) Integrated high-power LED car lamp assembly
CN205573756U (en) 360 vehicle bottom lift camera
CN206451327U (en) A kind of fire detector
CN109163254A (en) A kind of civil buildings calamity emergency luminaire
KR20140005646A (en) Ceiling light combining with bladeless type ceiling fan
CN212029251U (en) Yard lamp with good heat dissipation effect
CN209012940U (en) A kind of aviation obstruction beacon with snow removal function
CN208764771U (en) A kind of civil buildings calamity emergency luminaire
CN208935979U (en) A kind of stage lighting rain-proof structure
KR101417403B1 (en) Apparatus for removing a cause of moisture generation in head lamp
CN205118881U (en) Take car lamps and lanterns of antifog wind scooper
CN110886982A (en) High-efficient heat dissipation type industrial and mining lamp
CN213207701U (en) LED automobile front headlamp
CN209165221U (en) A kind of lighting device of adjustable internal temperature
CN209341044U (en) A kind of heat dissipation fire emergency lamp
CN211494407U (en) Be used for guiding radiating navigation mark lamp of being convenient for of boats and ships
CN220958384U (en) Novel emergent fog lamp
CN205640627U (en) Sensitization head -light
CN220895031U (en) Waterproof LED traffic signal lamp
CN217693949U (en) 5G wireless high-speed signal transmission equipment
CN208331921U (en) A kind of LED projector lamp
CN208886440U (en) A kind of LED area light source active luminescent screen with waterproof construction

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190329

WD01 Invention patent application deemed withdrawn after publication