CN110185966B - Explosion-proof lamp convenient to overhaul and maintain - Google Patents
Explosion-proof lamp convenient to overhaul and maintain Download PDFInfo
- Publication number
- CN110185966B CN110185966B CN201910320055.3A CN201910320055A CN110185966B CN 110185966 B CN110185966 B CN 110185966B CN 201910320055 A CN201910320055 A CN 201910320055A CN 110185966 B CN110185966 B CN 110185966B
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- Prior art keywords
- magnetic sheet
- lampshade
- explosion
- maintenance
- proof lamp
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- 238000012423 maintenance Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000000725 suspension Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 25
- 238000004880 explosion Methods 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 description 7
- 239000011324 bead Substances 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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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
- F21S8/00—Lighting devices intended for fixed installation
-
- 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
- F21V15/04—Resilient mountings, e.g. shock absorbers
-
- 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
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- 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
- F21V25/12—Flameproof or explosion-proof arrangements
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
-
- 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
- F21V31/00—Gas-tight or water-tight arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (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 an explosion-proof lamp convenient for maintenance, which comprises a lampshade, wherein a suspension component is arranged outside the lampshade, a lighting component is arranged inside the lampshade, an electric arc-proof connecting piece is electrically connected on the lighting component and fixedly arranged outside the lampshade, the electric arc-proof connecting piece comprises a connecting cylinder, insulating oil liquid is filled in the connecting cylinder, a fixed magnetic sheet is arranged in the connecting cylinder, two contact pins are arranged on the fixed magnetic sheet and are connected with the lighting component through wires, a movable magnetic sheet is adsorbed on the fixed magnetic sheet, two contact sleeves matched with the contact pins are embedded on the movable magnetic sheet, both the two contact sleeves are electrically connected with an external wire, a sealing end cover is fixedly arranged on the external wire, and the sealing end cover is arranged on the connecting cylinder in a threaded manner. The follow-up maintenance and maintenance operation of being convenient for has and dismantles characteristics convenient, that the security performance is high.
Description
Technical Field
The invention relates to the technical field of mining illumination, in particular to an explosion-proof lamp convenient to overhaul and maintain.
Background
The explosion-proof lamp is used in dangerous places where combustible gas and dust exist, and can prevent electric arcs, sparks and high temperature possibly generated in the lamp from igniting the combustible gas and dust in the surrounding environment, so that the lamp meets the explosion-proof requirement. Also called explosion-proof lamps and lanterns, explosion-proof light.
With the rapid development of industries such as petroleum, chemical industry, mining industry and the like, the lighting lamp is more and more widely used in production, storage and rescue, and the variety is more and more. How to prevent the lighting lamp from the accidental explosion in the explosive gas dangerous place is an important subject. Since the lighting fixtures inevitably produce electric sparks or form glowing surfaces during operation, they can cause explosion accidents once they meet the explosive gas mixture in the production or rescue site, directly endangering the lives of the citizens and the property safety of the country. Therefore, as the most widely used lighting lamp, the explosion-proof technical problem has attracted general attention and high attention of people.
In order to prevent gas explosion caused by electric arcs, the explosion-proof lamp used for mining production in the prior art often adopts a completely sealed lead to carry out electrical connection of lamp elements, so that subsequent overhaul and maintenance of the explosion-proof lamp are inconvenient, and certain defects exist.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide an explosion-proof lamp convenient to overhaul and maintain.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
an explosion-proof lamp convenient for maintenance and repair comprises a lampshade, a suspension component is arranged outside the lampshade, the interior of the lampshade is provided with an illuminating component which is electrically connected with an arc-proof connecting piece, the arc-proof connecting piece is fixedly arranged outside the lampshade and comprises a connecting cylinder, the connecting cylinder is filled with insulating oil, a fixed magnetic sheet is fixedly arranged in the connecting cylinder, two contact pins are arranged on the fixed magnetic sheet, the two contact pins are connected with the lighting assembly through leads, the fixed magnetic sheet is adsorbed with a movable magnetic sheet, two contact sleeves matched with the contact pins are embedded on the movable magnetic sheet, both the two contact sleeves are electrically connected with external leads, and a sealing end cover is fixedly arranged on the external lead, and is installed on the connecting cylinder in a threaded manner.
Preferably, in the explosion-proof lamp convenient to overhaul and maintain, the movable magnet is symmetrically provided with guide holes, guide posts are slidably arranged in the guide holes, and the guide posts are fixedly arranged on the fixed magnet.
Preferably, in the explosion-proof lamp convenient to overhaul and maintain, chamfering is performed on one end, close to the guide hole, of the guide post.
Preferably, among the above-mentioned explosion-proof lamp convenient to overhaul and maintain, the lamp shade includes the aluminum alloy cover body, demountable installation has sealed shroud on the aluminum alloy cover body, the aluminum alloy cover body outside is equipped with insulating heat-conducting layer, still be equipped with the transparent window on the aluminum alloy cover body.
Preferably, in the explosion-proof lamp convenient to overhaul and maintain, an insulating isolation pad is arranged between the aluminum alloy cover body and the sealing cover.
Preferably, in the explosion-proof lamp convenient to overhaul and maintain, the suspension assembly comprises a suspension fixedly mounted on the lamp shade, and the suspension is provided with a screw mounting hole.
Preferably, among the above-mentioned explosion-proof lamp convenient to overhaul and maintain, lighting assembly includes circuit board and welding a plurality of LED lamp pearl on the circuit board, evenly coated has heat conduction silica gel on the circuit board surface.
Preferably, in the explosion-proof lamp convenient to overhaul and maintain, the back of the circuit board is in laminating contact with a buffering heat conducting pad, the buffering heat conducting pad is in laminating contact with the aluminum alloy cover body, and the buffering heat conducting pad is fixedly installed on the sealing cover.
The invention has the beneficial effects that:
(1) the electric connection between the lamp element and the external power supply is realized by utilizing a magnetic adsorption mode, so that the follow-up maintenance and the maintenance of the explosion-proof lamp are facilitated, in addition, the electric connection point is arranged in the insulating oil liquid, the electric arc is prevented from contacting with combustible gas in a pit, the explosion of the gas is avoided, and the safety performance of the explosion-proof lamp is improved;
(2) according to the invention, the aluminum alloy material is used as the cover body of the explosion-proof lamp, and the buffering heat conducting pad in the aluminum alloy cover body is matched, so that heat generated by the LED lamp beads during working can be rapidly and uniformly transferred to the aluminum alloy cover body, the heat dissipation efficiency is accelerated, the phenomenon of overhigh local temperature caused by poor heat dissipation is avoided, and the safety performance of the explosion-proof lamp is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic diagram of the structure of the arc-proof connector of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-a lampshade; 2-a suspension assembly; 3-a lighting assembly; 4-arc-proof connections; 5-connecting the cylinder; 6-insulating oil liquid; 7-fixing magnetic sheets; 8-contact pins; 9-movable magnetic sheet; 10-a contact sleeve; 11-external connecting wire; 12-sealing the end cap; 13-a pilot hole; 14-a guide post; 15-an aluminum alloy enclosure; 16-a sealing cover; 17-an insulating heat conducting layer; 18-a transparent window; 19-insulating spacer; 20-a suspension; 21-screw mounting holes; 22-a circuit board; 23-LED lamp beads; 24-thermally conductive silica gel; 25-buffer heat-conducting pad.
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. 1-3, the present embodiment is an explosion-proof lamp convenient for maintenance, comprising a lampshade 1, a suspension component 2 is disposed outside the lampshade 1, a lighting component 3 is disposed inside the lampshade 1, an arc-proof connector 4 is electrically connected to the lighting component 3, the arc-proof connector 4 is fixedly mounted outside the lampshade 1, the arc-proof connector 4 comprises a connector barrel 5, the connector barrel 5 is filled with an insulating oil liquid 6, a fixed magnetic sheet 7 is fixedly mounted inside the connector barrel 5, two contact pins 8 are disposed on the fixed magnetic sheet 7, the two contact pins 8 are connected to the lighting component 3 through wires, a movable magnetic sheet 9 is adsorbed on the fixed magnetic sheet 7, guide holes 13 are symmetrically disposed on the movable magnetic sheet 9, guide posts 14 are slidably disposed in the guide holes 13, the guide posts 14 are fixedly mounted on the fixed magnetic sheet 7, and chamfers are disposed on the guide posts 14 at ends near the guide holes 13, the movable magnetic sheet 9 is embedded with two contact sleeves 10 matched with the contact pins 8, both the two contact sleeves 10 are electrically connected with external leads 11, a sealing end cover 12 is fixedly arranged on the external leads 11, the sealing end cover 12 is installed on the connecting cylinder 5 in a threaded manner, the lampshade 1 comprises an aluminum alloy cover body 15, a sealing cover 16 is detachably installed on the aluminum alloy cover body 15, an insulating heat-conducting layer 17 is arranged outside the aluminum alloy cover body 15, a transparent window 18 is further arranged on the aluminum alloy cover body 15, an insulating isolation pad 19 is arranged between the aluminum alloy cover body 15 and the sealing cover 16, the suspension assembly 2 comprises a suspension 20 fixedly installed on the lampshade 1, a screw mounting hole 21 is arranged on the suspension 20, the lighting assembly 3 comprises a circuit board 22 and a plurality of LED lamp beads 23 welded on the circuit board 22, heat-conducting silica gel 24 is uniformly coated on the outer surface of, the buffering heat-conducting pad 25 is in contact with the aluminum alloy cover body 15 in a fitting manner, and the buffering heat-conducting pad 25 is fixedly arranged on the sealing cover 16.
One specific application of this embodiment is: during operation, utilize fastening screw or bolt to hang subassembly 2 and install appointed position, can carry out explosion-proof lamp's wiring installation afterwards, with external power supply's external conductor 11 welding to contact sleeve 10 on, aim at guide post 14 with guiding hole 13 afterwards for contact sleeve 10 and contact pin 8 in close contact with realize electrical connection, afterwards to annotating insulating fluid 6 in connecting cylinder 5, optional transformer oil, it can to close end cover 12 at last. The electric connection between the lamp element and the external power supply is realized by utilizing a magnetic adsorption mode, so that the follow-up maintenance and the maintenance of the explosion-proof lamp are convenient, in addition, the electric connection point is arranged in the insulating oil 6, the electric arc is prevented from contacting with combustible gas in a mine pit, the explosion of the gas is avoided, and the safety performance of the explosion-proof lamp is improved; meanwhile, the aluminum alloy material is adopted as the cover body of the explosion-proof lamp, and the buffering heat conducting pad 25 in the aluminum alloy cover body 15 is matched, so that heat generated by the LED lamp beads 23 during working can be rapidly and uniformly transferred to the aluminum alloy cover body 15, the heat dissipation efficiency is accelerated, the phenomenon of overhigh local temperature caused by poor heat dissipation is avoided, and the safety performance of the explosion-proof lamp is improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides an explosion-proof lamp convenient to overhaul and maintain which characterized in that: comprises a lampshade (1), a suspension component (2) is arranged outside the lampshade (1), a lighting component (3) is arranged inside the lampshade (1), an arc-proof connecting piece (4) is electrically connected to the lighting component (3), the arc-proof connecting piece (4) is fixedly arranged outside the lampshade (1), the arc-proof connecting piece (4) comprises a connecting cylinder (5), an insulating oil liquid (6) is filled in the connecting cylinder (5), a fixed magnetic sheet (7) is fixedly arranged in the connecting cylinder (5), two contact pins (8) are arranged on the fixed magnetic sheet (7), the two contact pins (8) are connected with the lighting component (3) through wires, a movable magnetic sheet (9) is adsorbed on the fixed magnetic sheet (7), two contact sleeves (10) matched with the contact pins (8) are embedded on the movable magnetic sheet (9), two all electricity is connected with external wire (11) on contact cover (10), fixed end cover (12) that are equipped with on external wire (11), end cover (12) threaded mounting is in on connecting cylinder (5).
2. The explosion proof lamp for easy access and maintenance of claim 1, wherein: the movable magnetic sheet (9) is symmetrically provided with guide holes (13), guide posts (14) are arranged in the guide holes (13) in a sliding mode, and the guide posts (14) are fixedly arranged on the fixed magnetic sheet (7).
3. The explosion proof lamp for easy access and maintenance of claim 2, wherein: and one end of the guide column (14) close to the guide hole (13) is chamfered.
4. The explosion proof lamp for easy access and maintenance of claim 1, wherein: the lampshade (1) comprises an aluminum alloy cover body (15), a sealing cover cap (16) is detachably mounted on the aluminum alloy cover body (15), an insulating heat conduction layer (17) is arranged outside the aluminum alloy cover body (15), and a transparent window (18) is further arranged on the aluminum alloy cover body (15).
5. The explosion proof lamp for easy access and maintenance of claim 4, wherein: an insulating isolation pad (19) is arranged between the aluminum alloy cover body (15) and the sealing cover cap (16).
6. The explosion proof lamp for easy access and maintenance of claim 1, wherein: the suspension assembly (2) comprises a suspension (20) fixedly mounted on the lampshade (1), and a screw mounting hole (21) is formed in the suspension (20).
7. The explosion proof lamp for easy access and maintenance of claim 4, wherein: lighting assembly (3) include circuit board (22) and welding a plurality of LED lamp pearl (23) on circuit board (22), evenly coated has heat conduction silica gel (24) on circuit board (22) surface.
8. The explosion proof lamp for easy access and maintenance of claim 7, wherein: the back of the circuit board (22) is in contact with a buffer heat-conducting pad (25) in a bonding mode, the buffer heat-conducting pad (25) is in contact with the aluminum alloy cover body (15) in a bonding mode, and the buffer heat-conducting pad (25) is fixedly installed on the sealing cover (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910320055.3A CN110185966B (en) | 2019-04-19 | 2019-04-19 | Explosion-proof lamp convenient to overhaul and maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910320055.3A CN110185966B (en) | 2019-04-19 | 2019-04-19 | Explosion-proof lamp convenient to overhaul and maintain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110185966A CN110185966A (en) | 2019-08-30 |
| CN110185966B true CN110185966B (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910320055.3A Active CN110185966B (en) | 2019-04-19 | 2019-04-19 | Explosion-proof lamp convenient to overhaul and maintain |
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| Country | Link |
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| CN (1) | CN110185966B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201330977Y (en) * | 2009-01-05 | 2009-10-21 | 新黎明防爆电器有限公司 | Anti-explosion visual pore lamp |
| CN101871603A (en) * | 2010-05-25 | 2010-10-27 | 江苏新力科技实业有限公司 | Explosion-proof type LED illuminating lamp with magnetism switch |
| CN201764350U (en) * | 2010-07-13 | 2011-03-16 | 深圳市德普威科技发展有限公司 | LED channel lamp |
| CN105181940A (en) * | 2015-10-29 | 2015-12-23 | 大庆市日上仪器制造有限公司 | Anti-explosion automatic ventilation insulating oil corrosive sulfur determination instrument |
| CN205664219U (en) * | 2016-06-03 | 2016-10-26 | 北京瑞德桑节能科技有限公司 | A immersion fluid formula illumination lamps and lanterns for explosion -proof and high temperature environment |
| CN207762329U (en) * | 2018-01-19 | 2018-08-24 | 东莞市新鹏自动化科技有限公司 | A kind of explosion-proof plug-in type solenoid valve with anti-explosion terminal box |
| KR101957223B1 (en) * | 2017-11-10 | 2019-03-12 | ㈜바이브 | LED underwater lights operated by wireless power transmission |
-
2019
- 2019-04-19 CN CN201910320055.3A patent/CN110185966B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201330977Y (en) * | 2009-01-05 | 2009-10-21 | 新黎明防爆电器有限公司 | Anti-explosion visual pore lamp |
| CN101871603A (en) * | 2010-05-25 | 2010-10-27 | 江苏新力科技实业有限公司 | Explosion-proof type LED illuminating lamp with magnetism switch |
| CN201764350U (en) * | 2010-07-13 | 2011-03-16 | 深圳市德普威科技发展有限公司 | LED channel lamp |
| CN105181940A (en) * | 2015-10-29 | 2015-12-23 | 大庆市日上仪器制造有限公司 | Anti-explosion automatic ventilation insulating oil corrosive sulfur determination instrument |
| CN205664219U (en) * | 2016-06-03 | 2016-10-26 | 北京瑞德桑节能科技有限公司 | A immersion fluid formula illumination lamps and lanterns for explosion -proof and high temperature environment |
| KR101957223B1 (en) * | 2017-11-10 | 2019-03-12 | ㈜바이브 | LED underwater lights operated by wireless power transmission |
| CN207762329U (en) * | 2018-01-19 | 2018-08-24 | 东莞市新鹏自动化科技有限公司 | A kind of explosion-proof plug-in type solenoid valve with anti-explosion terminal box |
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| Publication number | Publication date |
|---|---|
| CN110185966A (en) | 2019-08-30 |
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Address after: No.58 Hengguang Road, Nanjing Economic and Technological Development Zone, Nanjing, Jiangsu 210046 Applicant after: Nanjing Jingze Technology Co.,Ltd. Address before: 210000 No.58 Hengguang Road, Xingang economic and Technological Development Zone, Qixia District, Nanjing City, Jiangsu Province Applicant before: NJZ LIGHTING TECHNOLOGY Co.,Ltd. |
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