CN107166300B - A kind of explosion suppression type explosion-preventing lamp - Google Patents

A kind of explosion suppression type explosion-preventing lamp Download PDF

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Publication number
CN107166300B
CN107166300B CN201710528707.3A CN201710528707A CN107166300B CN 107166300 B CN107166300 B CN 107166300B CN 201710528707 A CN201710528707 A CN 201710528707A CN 107166300 B CN107166300 B CN 107166300B
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China
Prior art keywords
cavity
explosion
lamp
power supply
bar
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Chinese (zh)
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CN107166300A (en
Inventor
李林松
李昕远
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LEOYO HOLDINGS GROUP Co Ltd
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LEOYO HOLDINGS GROUP Co Ltd
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Priority to CN201710528707.3A priority Critical patent/CN107166300B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/02—Cages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/10—Safety devices structurally associated with lighting devices coming into action when lighting device is overloaded, e.g. thermal switch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The invention discloses a kind of explosion suppression type explosion-preventing lamps, it is intended to provide a kind of with safe and reliable, the wide advantage of illumination range, suitable for 0th area of explosive gas atmosphere, 1st area, 20th area of 2nd area and combustible dust environment, 21st area, 22nd area, its key points of the technical solution are that including matrix, lamp holder, lamp bar, pressing ring, protective cover, it is fastened between pressing ring and protective cover and is formed with matrix the tempered glass cover of the first cavity, it is fixed on matrix top and the middle cover to form the second cavity, and it is fixedly connected on above middle cover and is formed the cap of third cavity, there are outlet cavitys for first cavity and the second cavity, outlet cavity is sealed by epoxy resin, lamp holder has seven prismatic table shape structures, lamp bar is communicated to the second cavity by conducting wire, power supply device is provided in second cavity, lamp bar connects power supply device, contact is set in third cavity Mechanism, the conducting wire of power supply device pass through middle cover and connect with contact mechanism, and the outlet of power supply device is also sealed by epoxy resin.

Description

A kind of explosion suppression type explosion-preventing lamp
Technical field
The present invention relates to technical field of lamps, in particular to a kind of explosion suppression type explosion-preventing lamp.
Background technique
Explosion-proof lamp refers to explosive mixture such as explosive gas, combustible dust, methane gas around in order to prevent Equal environment and the lamps and lanterns of various certain measures taken.The very important explosion-proof principle of one of them of explosion-proof lamp is exactly to limit The temperature and limit on the case surface, component surface or the electronic component surface that are contacted with explosive gas, combustible dust Electrical contact surface temperature processed is lower than its minimum ignition temperature or ignition temperature.And explosion-proof lamp is one of explosion-proof Pattern, shell is able to bear to be existed by the explosive mixture that any joint surface of shell or structure interval penetrate into interior of shell Internal explosion will not cause a kind of external explosive atmosphere formed by, multiple gases or steam without being damaged Light.
Previous explosion-proof lamp light source part and power unit, contact mechanism are arranged in the same inside cavity, or stay Have circulation gap, the heat generated in the course of work, which is overlapped mutually, to be added up, the electric arc of contact mechanism there is also leakage can Can, when electric arc is run away away from circulation gap, physical life is reduced, so that case surface temperature sharply increases, is produced Raw security risk, also, light source and power supply exist together a chamber, then and its chamber internal structure certainly will design extremely complex, and corner angle are more Lead to unbalanced stress and volumetric spaces are larger, be easy to produce pressure piling phenomenon, traditional explosion-proof lamp flame proof pattern is anti-in safety There are many drawbacks on model.
Summary of the invention
In view of the deficienciess of the prior art, having safety can the object of the present invention is to provide a kind of explosion suppression type explosion-preventing lamp It leans on, the wide advantage of illumination range.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of explosion suppression type explosion-preventing lamp, packet Include matrix, the lamp holder for being fixed on base bottom, the lamp bar for being distributed in holder surface, the pressing ring being fixed on matrix periphery, fixation Protective cover on pressing ring periphery, the tempered glass for being fastened between pressing ring and protective cover and forming the first cavity with matrix It covers, be fixed on matrix top and to the middle cover for forming the second cavity and be fixedly connected on above middle cover and form third sky There are outlet cavity, the outlet cavitys to be sealed by epoxy resin for the cap of chamber, first cavity and the second cavity, lamp holder tool There are seven prismatic table shape structures, lamp bar is communicated to the second cavity by conducting wire, and power supply device, lamp bar connection electricity are provided in the second cavity Source device, the third cavity is interior to be arranged contact mechanism, and the conducting wire of the power supply device passes through middle cover and connects with contact mechanism, electricity The outlet of source device is also sealed by epoxy resin.
By above-mentioned setting, the first cavity is as the photoemissive part of lamp, using tempered glass cover, and seven prismatic table shape knots The lamp holder of structure, so that lamp bar can be to external radiation during luminous, this structure effectively increases illumination range, power supply device It is isolated in the second cavity, so the influence for the first cavity and third cavity can after power supply device goes wrong It is minimum to be reduced to；In addition after contact mechanism is arranged within third cavity, can have for the electric arc in the action process of contact Effect is closed by third cavity, so that electric arc will not scurry out, electric arc is completely isolated, and three cavitys are mutually isolated, mutually indepedent work Make, it is safer when overall work, and ought wherein there is part to go wrong, it can be individually replaced, to reduce cost.
Can be preferred as concrete scheme of the invention are as follows: the contact mechanism include the static contact panel being fixed in cap, Be set under static contact panel contact bar, the insulating base that is mounted on above middle cover, contact bar is set on insulating base and passes through spring It contradicts on static contact panel, the insulating base and contact bar are provided directly with piston structure, and the piston structure includes on insulating base For contact bar sliding slideway and be socketed in contact bar on rubber ring, rubber ring and slideway sealing, rubber ring will insulate The slideway of seat is divided into two spaces.
By above-mentioned setting, common explosion-proof lamp is no this contact mechanism, in order to further increase this explosion-proof lamp Security performance, by insulating base be arranged contact bar, so under normal circumstances, spring will contact bar ejection, thus Contact bar touches static contact panel, and the power supply of power supply device can be connected, and otherwise the route of power supply device is in an off state.When Temperature anomaly in three cavitys it is high when, the slideway of insulating base has been divided into two spaces by rubber ring at this time, and contacting bar at this time can Compressed spring under magneticaction to pass through external magnet, so that contact bar leaves static contact panel, and then can be in temperature Operation explosion-proof lamp controllable in time is in the case where exception effectively to be prevented.Piston structure is then to play to dock the effective of feeler lever Protection, contact bar avoid wearing in the process of moving, it can be ensured that the activity for contacting bar is smooth.
It can be preferred as concrete scheme of the invention are as follows: be additionally provided between the slideway and rubber ring and connect to push The air bag of feeler lever disengaging static contact panel.
By above-mentioned setting, when temperature is got higher, then air bag can expand, and air bag can will push contact bar far from stationary contact at this time Piece, so as to line disconnection.
It can be preferred as concrete scheme of the invention are as follows: the internal layer of the tempered glass is provided with circle thermochromism painting Layer.
By above-mentioned setting, in order to improve safety, after one circle able thermochromic of setting, when temperature is higher, then apply Layer color change is obvious, after light-illuminating, has the instruction of a color on the ground, so as to pre- high temperature-proof, Temperature change in tempered glass cover directly passes through light color and is reacted, certainly since able thermochromic only has a circle, And others lighting area is unaffected, can effectively ensure the brightness irradiated.
It can be preferred as concrete scheme of the invention are as follows: the gradient of the side of the lamp holder is between 15-25 degree.
By above-mentioned setting, the side of lamp holder is obliquely installed, so as to effectively improve lighting area, so that lamp bar Light dissipates around.
It can be preferred as concrete scheme of the invention are as follows: the contact mechanism is overheat protector.
By above-mentioned setting, the excessively high function of automatically cutting off route of temperature can be played using overheat protector, even if mistake There is exception in thermal protector, can also be isolated in third cavity, so as to effectively prevent the expansion influenced.
It can be preferred as concrete scheme of the invention are as follows: tentative module, the test are provided in the third cavity Module includes heater element and thermo-sensitive resistor, and the heater element improves the temperature in third cavity and simulation after being powered up Hot environment, the thermo-sensitive resistor is to feed back the temperature data in third cavity, and the overheat protector is by third cavity Temperature environment carry out protection act.
By above-mentioned setting, in some security applications, it would be desirable to very careful and careful use equipment, to avoid peace The generation of full accident, whether since overheat protector is shut in third cavity, it is normal to test its work if necessary, Whether the tripping protection of temperature anomaly can effectively be carried out, so we need to carry out before the use an effective test, To ensure that overheat protector can work normally in advance, to reduce risk, generate heat after being powered by heater element, then By thermo-sensitive resistor carry out detection internal temperature situation, so that it is guaranteed that overheat protector can normal operation, can play overheat protect The effect of shield.
It can be preferred as concrete scheme of the invention are as follows: the able thermochromic can be changed by transition zone and thermochromism Emissivity coating composition；The transition zone is NiCrAl or NiCrAlY coating, with a thickness of 50 ~ 100 microns；The thermochromism Variable emissivity coating is La0.7Ca0.3-xSrxMnO3 coating, with a thickness of 70 ~ 300 microns, La0.7Ca0.3-xSrxMnO3 X value is 0.1≤x≤0.3 in coating.
By above-mentioned setting, this able thermochromic can change emissivity, so as to show different colors, with energy Enough improve warning effect.
In conclusion the invention has the following advantages:
1, using multiple space isolation technologies, explosiveproof isolation efficiency is improved, securely and reliably；
2, using contact mechanism, the safety in controllable degree is further increased；
3, coating process is used, enables light early warning；
4, light-illuminating area is improved using tempered glass cover and holder structure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the bottom view of lamp holder；
Fig. 3 is the bottom view of protective cover；
Fig. 4 is a structure example figure of contact mechanism；
Fig. 5 is the portion the A enlarged drawing of Fig. 4.
1, matrix in figure；2, lamp holder；3, lamp bar；4, pressing ring；5, protective cover；61, the first cavity；62, the second cavity；63, Third cavity；64, outlet cavity；7, tempered glass cover；8, middle cover；9, cap；10, power supply device；11, contact mechanism；111, Static contact panel；112, bar is contacted；113, insulating base；114, spring；115, slideway；116, rubber ring；117, air bag；12, overheat is protected Protect device；13, tentative module；131, heater element；132, thermo-sensitive resistor.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1:
As shown in Figure 1, illustrating a kind of explosion suppression type explosion-preventing lamp.Explosion suppression type explosion-preventing lamp includes matrix 1, is fixed on 1 bottom of matrix The lamp holder 2 in portion, the pressing ring 4 being fixed on 1 periphery of matrix, is fixed on 4 periphery of pressing ring the lamp bar 3 for being distributed in 2 surface of lamp holder Protective cover 5 is fastened between pressing ring 4 and protective cover 5 and forms the tempered glass cover 7 of the first cavity 61 with matrix 1, is fixed on 1 top of matrix simultaneously to the middle cover 8 for forming the second cavity 62 and is fixedly connected on the top of middle cover 8 and forms third cavity 63 Cap 9.
There are outlet cavity 64, outlet cavity 64 is sealed by epoxy resin for first cavity 61 and the second cavity 62, that is, Epoxy resin is filled on outlet cavity 64.
As shown in Fig. 2, illustrate lamp holder 2 with seven prismatic table shape structures, the gradient of the side of lamp holder 2 be 15-25 degree it Between.The side of lamp holder 2 is obliquely installed, so as to effectively improve lighting area, so that the light of lamp bar 3 dissipates around. Using modularized design, facilitate installation.
In addition for protective cover 5, structure reduces the screening to light as shown in figure 3, in order under the premise that security is guaranteed Gear, and guarantee structural strength, so a kind of protective cover 5 of similar protecting screen structure is devised, it can be with effective protection tempering glass Glass cover, the impact from the external world compared with overcoat foreign matter.
In conjunction with Fig. 1, lamp bar 3 is communicated to the second cavity 62 by conducting wire, is provided with power supply device 10, lamp in the second cavity 62 Item 3 connects power supply device 10.Contact mechanism 11 is set in third cavity 63, and the conducting wire of power supply device 10 passes through middle cover 8 and contact Mechanism 11 connects, and the outlet of power supply device 10 is also sealed by epoxy resin.
The design of above structure is used as the photoemissive part of lamp based on the first cavity 61, using tempered glass cover 7, and The lamp holder 2 of seven prismatic table shape structures, so that lamp bar 3 can be to external radiation during luminous, this structure effectively increases illumination Range, power supply device 10 are isolated in the second cavity 62, so after power supply device 10 goes wrong, for the first cavity 61 and third cavity 63 influence can be reduced to it is minimum；In addition after contact mechanism 11 is arranged within third cavity 63, for Electric arc in the action process of contact can be closed effectively by third cavity 63, so that electric arc will not scurry out, electric arc is completely isolated, Three cavitys are mutually isolated, work independently from each other, safer when overall work, and wherein ought have part to ask Topic, can be individually replaced, to reduce cost.
In order to further improve the security, a variety of improved procedures in addition are carried out to contact mechanism 11.
Wherein, as in Fig. 5, illustrated the structure of independent contact mechanism 11, contact mechanism 11 includes being fixed in cap 9 Static contact panel 111, the contact bar 112 being set under static contact panel 111, the insulating base 113 for being mounted on 8 top of middle cover, contact bar 112 are set It is placed on insulating base 113 and is contradicted on static contact panel 111 by spring 114, insulating base 113 and contact bar 112 are provided directly with Piston structure, piston structure include on insulating base 113 for contacting the slideway 115 and be socketed in contact bar that bar 112 slides Rubber ring 116 on 112, rubber ring 116 and slideway 115 seal, and it is two that the slideway 115 of insulating base 113 is divided to by rubber ring 116 Space.The air bag 117 to push contact bar 112 to be detached from static contact panel 111 is additionally provided between slideway 115 and rubber ring 116.This Contact mechanism 11 can be used alone.
Common explosion-proof lamp is no this contact mechanism 11, in order to further increase the security performance of this explosion-proof lamp, By being arranged on insulating base 113 in contact bar 112, so under normal circumstances, spring 114 is ejected bar 112 is contacted, thus Contact bar 112 touches static contact panel 111, and the power supply of power supply device 10 can be connected, and otherwise the route of power supply device 10 is in disconnected Open state.When the temperature anomaly in third cavity 63 it is high when, at this time rubber ring 116 by the slideway 115 of insulating base 113 divide for Two spaces, contacting bar 112 at this time can be by compressed spring 114 under the magneticaction of external magnet, so that contact Bar 112 leaves static contact panel 111, and then operation explosion-proof lamp that can be controllable in time in the case where temperature anomaly is effectively pre- to carry out It is anti-.Piston structure is then the effective protection for playing docking feeler lever 112, and contact bar 112 avoids wearing in the process of moving, It may insure that the activity of contact bar 112 is smooth.
When temperature is got higher, then air bag 117 can expand, and air bag 117 can will push contact bar 112 far from static contact at this time, from And it can be with line disconnection.
As more preferred embodiment, a circle able thermochromic has been can be set in the internal layer of tempered glass.It is thermotropic Discoloration coating is made of transition zone and thermochromism variable emissivity coating；Transition zone is NiCrAl or NiCrAlY coating, thickness It is 50 ~ 100 microns；Thermochromism variable emissivity coating is La0.7Ca0.3-xSrxMnO3 coating, micro- with a thickness of 70 ~ 300 Meter, x value is 0.1≤x≤0.3 in La0.7Ca0.3-xSrxMnO3 coating.Solid reaction process is by high-purity (99.99% or more) La2O3, CaCO3, SrCO3 and MnO2 are repeatedly pre- through 900-1100 °C stoichiometrically in alcohol solvent after wet-milling mixing It burns 22 hours and obtains pre-reaction object, formed being sintered 20 hours through 1300-1450 °C again after pre-reaction object compression moulding La0.7Ca0.3-xSrxMnO3 block materials.This able thermochromic is existing public technology, but is applied to energy in this structure Enough play the role of unexpected effect, except able thermochromic itself, this able thermochromic can change Become emissivity, so as to show different colors, can be improved warning effect.For light and it is explosion-proof generally, make It obtains whole safe and reliable.
Specifically, when temperature is higher, then coating color variation is obvious after one circle able thermochromic of setting, pass through lamp After light irradiation, the instruction of a color is had on the ground, and so as to pre- high temperature-proof, the temperature in tempered glass cover 7 becomes Change is directly reacted by light color, certainly since able thermochromic only has a circle, and others lighting area not by It influences, can effectively ensure the brightness irradiated.
Embodiment 2:
Particularly directed to 11 improvements introduced of contact mechanism, the is mounted on as contact mechanism 11 using overheat protector 12 In three cavitys 63, this overheat protector 12 can replace the contact mechanism 11 in above-described embodiment, can also exist simultaneously, and use Mode in parallel carries out duplicate protection.
As shown in figure 4, being provided with tentative module 13 in third cavity 63, tentative module 13 includes heater element 131 and temperature Quick resistance 132, heater element 131 improve the temperature in third cavity 63 after being powered up and simulate hot environment, temperature sensitive electricity Resistance 132 is carried out to feed back the temperature data in third cavity 63, overheat protector 12 by the temperature environment in third cavity 63 Protection act.
The excessively high function of automatically cutting off route of temperature can be played using overheat protector 12, even if overheat protector 12 goes out It is now abnormal, it can also be isolated in third cavity 63, so as to effectively prevent the expansion influenced.
In some security applications, it would be desirable to very with caution and careful use equipment, to avoid the generation of safety accident, Since overheat protector 12 is shut in third cavity 63, it is whether normal that its work is tested if necessary, if can Effective tripping protection for carrying out temperature anomaly, so we need to carry out before the use an effective test, with true in advance Protect overheat protector 12 can work normally, to reduce risk, by heater element 131 be powered after generate heat, then by Thermo-sensitive resistor 132 carry out detection internal temperature situation, so that it is guaranteed that overheat protector 12 can normal operation, overheat can be played The effect of protection.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this All by the protection of Patent Law in the scope of the claims of invention.

Claims (7)

1. a kind of explosion suppression type explosion-preventing lamp, it is characterised in that: including matrix (1), the lamp holder (2) that is fixed on matrix (1) bottom, distribution In the lamp bar (3) on lamp holder (2) surface, the pressing ring (4) being fixed on matrix (1) periphery, the protection that is fixed on pressing ring (4) periphery Cover (5), the tempered glass cover for being fastened between pressing ring (4) and protective cover (5) and being formed with matrix (1) the first cavity (61) (7), it is fixed on matrix (1) top and the middle cover to form the second cavity (62) (8) and is fixedly connected on middle cover (8) Side and the cap (9) for forming third cavity (63), first cavity (61) and the second cavity (62) there are outlet cavity (64), The outlet cavity (64) is sealed by epoxy resin, and lamp holder (2) has seven prismatic table shape structures, and lamp bar (3) is communicated to by conducting wire Second cavity (62) is provided with power supply device (10) in the second cavity (62), and lamp bar (3) connects power supply device (10), and described the Contact mechanism (11) are set in three cavitys (63), the conducting wire of the power supply device (10) passes through middle cover (8) and contact mechanism (11) Connection, the outlet of power supply device (10) are also sealed by epoxy resin；
The contact mechanism (11) includes the static contact panel (111) being fixed in cap (9), is set to connecing under static contact panel (111) Feeler lever (112), the insulating base (113) being mounted on above middle cover (8), contact bar (112) are set on insulating base (113) and pass through Spring (114) contradicts on static contact panel (111), and the insulating base (113) and contact bar (112) are provided directly with piston structure, The piston structure includes on insulating base (113) for contacting the slideway (115) and be socketed in contact bar that bar (112) slide (112) rubber ring (116) on, rubber ring (116) and slideway (115) sealing, rubber ring (116) is by the cunning of insulating base (113) Road (115) is divided into two spaces.
2. explosion suppression type explosion-preventing lamp according to claim 1, it is characterised in that: the slideway (115) and rubber ring (116) it Between be additionally provided with to push contact bar (112) be detached from static contact panel (111) air bag (117).
3. explosion suppression type explosion-preventing lamp according to claim 1, it is characterised in that: the internal layer of the tempered glass is provided with a circle Able thermochromic.
4. explosion suppression type explosion-preventing lamp according to claim 1, it is characterised in that: the gradient of the side of the lamp holder (2) is Between 15-25 degree.
5. explosion suppression type explosion-preventing lamp according to claim 1, it is characterised in that: the contact mechanism (11) is overheat protector (12)。
6. explosion suppression type explosion-preventing lamp according to claim 5, it is characterised in that: be provided with test in the third cavity (63) Module (13), the tentative module (13) include heater element (131) and thermo-sensitive resistor (132), and the heater element (131) exists The temperature in third cavity (63) is improved after powering on and simulates hot environment, and the thermo-sensitive resistor (132) is to feed back the Temperature data in three cavitys (63), the overheat protector (12) are carried out protection by the temperature environment in third cavity (63) and moved Make.
7. explosion suppression type explosion-preventing lamp according to claim 3, it is characterised in that: the able thermochromic is by transition zone and heat Mutagens color variable emissivity coating composition；The transition zone is NiCrAl or NiCrAlY coating, with a thickness of 50 ~ 100 microns；Institute Stating thermochromism variable emissivity coating is La0.7Ca0.3-xSrxMnO3Coating, with a thickness of 70 ~ 300 microns, La0.7Ca0.3- xSrxMnO3X value is 0.1≤x≤0.3 in coating.
CN201710528707.3A 2017-07-01 2017-07-01 A kind of explosion suppression type explosion-preventing lamp Active CN107166300B (en)

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CN201710528707.3A CN107166300B (en) 2017-07-01 2017-07-01 A kind of explosion suppression type explosion-preventing lamp

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Application Number Priority Date Filing Date Title
CN201710528707.3A CN107166300B (en) 2017-07-01 2017-07-01 A kind of explosion suppression type explosion-preventing lamp

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CN107166300B true CN107166300B (en) 2019-06-28

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Publication number Priority date Publication date Assignee Title
CN111225133B (en) * 2020-01-15 2021-07-16 浙江沪宁电子科技有限公司 Self-interacting security protection camera based on reversible reaction principle

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KR100910539B1 (en) * 2008-09-29 2009-07-31 화우테크놀러지 주식회사 Explosion free lamp with led
CN202302831U (en) * 2011-09-30 2012-07-04 上海宝临防爆电器有限公司 Solid maintaining-free explosion-proof lamp
CN103386786B (en) * 2013-06-27 2015-07-22 南京理工大学 Thermochromism coating with variable emissivity and preparation method thereof
CN104421901A (en) * 2013-09-06 2015-03-18 深圳市海洋王照明工程有限公司 All-round anti-explosion lamp assembly
CN204729996U (en) * 2015-07-21 2015-10-28 浙江惟丰防爆电气有限公司 Led anti-explosion lamp
CN205208306U (en) * 2015-12-17 2016-05-04 无锡禾丰光电科技有限公司 Explosion -proof light of LED
CN106764496A (en) * 2016-12-31 2017-05-31 上海旗升电气股份有限公司 A kind of LED lamp with interior radiator structure

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