CN105588007A - Temperature control safety explosion-proof lamp - Google Patents
Temperature control safety explosion-proof lamp Download PDFInfo
- Publication number
- CN105588007A CN105588007A CN201510666178.4A CN201510666178A CN105588007A CN 105588007 A CN105588007 A CN 105588007A CN 201510666178 A CN201510666178 A CN 201510666178A CN 105588007 A CN105588007 A CN 105588007A
- Authority
- CN
- China
- Prior art keywords
- lamp
- dividing plate
- sheet
- temperature control
- housing
- 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.)
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Classifications
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- 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
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/02—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken
- F21V25/04—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken breaking the electric circuit
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to a temperature control safety explosion-proof lamp. The temperature control safety explosion-proof lamp comprises a shell, a lamp piece and a lampshade. A good-heat-conduction heat dissipation block is attached to the back face of the lamp piece, annular cylindrical partition plates are mounted in the shell, and two cavity dividing plates are symmetrically mounted in a sealed annular cavity defined by the partition plates, the shell and the lamp piece; the annular cavity is divided into two independent semicircular liquid storage cavities through the cavity dividing plates, and horizontal semicircular piston pieces are mounted in the liquid storage cavities; the positions above the piston pieces are filled with a cooling agent, and the positions below the piston pieces are filled with air and expansion glue; and cooling holes communicated with the cooling agent are formed in the upper portions of the partition plates, and air inlet holes are formed in the lower portions of the partition plates. According to the explosion-proof lamp, the temperature inside a lamp body can be effectively reduced, safe and stable running of the explosion-proof lamp can be ensured, meanwhile, the explosion-proof lamp has the shutoff protection function, and the phenomenon that after the lamp body is exploded, electric sparks are still generated is effectively avoided.
Description
Technical field
The present invention relates to a kind of LED lighting, special, be a kind of explosion-proof lamp.
Background technology
Explosion-proof lamp, refers to the light fixture in order to prevent from lighting the various certain measures that explosive mixture is taked as explosive gas atmosphere, explosive dust atmosphere, methane gas etc. around; It is widely used in the places such as the hazardous environments such as oil exploitation, oil refining, chemical industry, colliery, railway, flood control, military project and offshore platform, oil tanker; Common explosion-proof lamp is divided into flame-proof type light fixture, INCREASEDSAFETY light fixture, compound light fixture etc. by structural shape; The electrical equipment imflammable gas mixture that ignites has two reasons: one is the spark that produces of electrical equipment, electric arc, another is electrical equipment surface heat; The equipment that easily produces electric arc is placed on to effectively prevent exploding of explosion-proof shell inside, but traditional explosion-proof lamp still can produce higher heat in the course of the work, in the time that temperature reaches critical value, still can set off an explosion, in use still there is larger potential safety hazard in traditional explosion-proof lamp therefore; In addition, part explosion-proof lamp in the time of explosive disintegration, burst out the fragment can injure around staff, there is larger personal potential safety hazard.
Summary of the invention
For the problems referred to above, the invention provides a kind of temperature control safety anti-explosive lamp, this explosion-proof lamp can effectively reduce the temperature in lamp body, ensures safety, the stable operation of explosion-proof lamp; This explosion-proof lamp has break protecting simultaneously, effectively prevents from still having electric spark to produce after lamp body explosion.
For addressing the above problem, the technical solution adopted in the present invention is: this temperature control safety anti-explosive lamp includes housing, lamp sheet and lampshade, and described lampshade is fixed on described lamp sheet sealing on described housing;
Be pasted with the radiating block of good heat conduction at the back side of described lamp sheet; The dividing plate that is annular cylinder shape is installed in described housing, described dividing plate encircle up and down the back side place of the airtight top board and the lamp sheet that are connected to housing respectively, limit; Described dividing plate and described radiating block close contact; Symmetrical in the airtight toroidal cavity surrounding at described dividing plate, housing and lamp sheet two pieces points of chamber plates are installed, described point of chamber plate by toroidal cavity be separated into two independently, be semiorbicular liquid storage chamber; In each described liquid storage chamber, level, semiorbicular piston sheet are installed; Above described piston sheet, be filled with cooling agent, below described piston sheet, be filled with air and expansion glue; Offer the Cooling Holes being communicated with cooling agent on the top of described dividing plate, the check valve that only allows cooling agent to flow out is installed in each described Cooling Holes; Bottom at described dividing plate offers air admission hole, and the check valve that only allows gas to enter is installed in described air admission hole.
The invention has the beneficial effects as follows: described in the time that this explosion-proof lamp works long hours, lamp sheet will produce larger heat, described radiating block is by the heat absorption of lamp sheet outwards release; Because described dividing plate is close to radiating block, dividing plate absorbs heat and described expansion glue is heated up, thereby expansion glue expanded by heating promotes to move on described piston sheet, and then the cooling agent of piston sheet top is extruded, cooling agent is heat absorption rapidly from Cooling Holes ejection, thereby makes enclosure interior keep low temperature; When recovering in housing after low temperature, expansion glue dwindles, and the air pressure at expansion glue place reduces, and therefore the air in housing supplements and enters from air admission hole; Because air admission hole is equipped with check valve, the gas entering cannot be discharged, and therefore, in the time that expansion glue is subject to high-temperature expansion again, it is large that the pressure at expansion glue place becomes, and larger pressure is again pushed described piston sheet to move, and again cooling agent is extruded and cooling housing.
Structure of the present invention is ingenious, can realize the intelligent cooling in housing without installing electronic monitoring element additional, efficiently solves production cost and production difficulty, has simplified installation procedure simultaneously; In the regular maintenance of explosion-proof lamp, only need periodic cleaning and supplementary cooling agent, attended operation is simple, quick.
As preferably, the cooling agent that is filled in top, two described liquid storage chambeies is respectively phase transformation powder and deoxygenation powder; Described phase transformation powder is at high temperature melted into liquid state and is absorbed amount of heat by solid-state, effectively reduces the temperature in housing; The powder of deoxygenation is simultaneously by the oxygen of housing and moisture absorption, thus the blast probability in reduction housing.
As preferably, on the described dividing plate that is annular cylinder shape, be also hung with filter, the junction of described filter and described dividing plate is positioned at the top of the below of Cooling Holes, air admission hole; Cooling agent infiltrates on filter from Cooling Holes ejection, and filter can increase the disengagement area of cooling agent, thereby improves radiating rate.
As preferably, on the internal perisporium of described housing, be pasted with conducting strip, described piston sheet is made by conductive material, on the lateral wall below described dividing plate is positioned at Cooling Holes, is pasted with equally conductive layer; Described conducting strip, piston sheet and conductive layer are connected in series to the power supply circuits into described lamp sheet successively; So that play the protective effect that blast is opened circuit.
Brief description of the drawings
Fig. 1 is the plan structure schematic diagram of an embodiment of this temperature control safety anti-explosive lamp.
Fig. 2 is cross section structure schematic diagram embodiment illustrated in fig. 1.
Detailed description of the invention
Embodiment
In the embodiment shown in Fig. 1, Fig. 2, this temperature control safety anti-explosive lamp includes housing 1, lamp sheet 2 and lampshade 3, and described lampshade 3 is fixed on described lamp sheet 2 sealings on described housing 1; Be pasted with the radiating block 21 of good heat conduction at the back side of described lamp sheet 2; The dividing plate 4 that is annular cylinder shape is installed in described housing 1, described dividing plate 4 encircle up and down the back side place of the airtight top board and the lamp sheet 2 that are connected to housing 1 respectively, limit; Described dividing plate 4 and described radiating block 21 close contacts; The airtight toroidal cavity 5 interior symmetries that surround at described dividing plate 4, housing 1 and lamp sheet 2 two pieces points of chamber plates 51 are installed, described point of chamber plate 51 by toroidal cavity 5 be separated into two independently, be semiorbicular liquid storage chamber 52; Level, semiorbicular piston sheet 6 are installed in each described liquid storage chamber 52; Above described piston sheet 6, be filled with cooling agent, below described piston sheet 6, be filled with air and expansion glue 7; Offer the Cooling Holes 81 being communicated with cooling agent on the top of described dividing plate 4, the check valve that only allows cooling agent to flow out is installed in each described Cooling Holes 81; Offer air admission hole 82 in the bottom of described dividing plate 4, in described air admission hole 82, the check valve that only allows gas to enter is installed; On the described dividing plate 4 that is annular cylinder shape, be also hung with filter 9, described filter 9 is positioned at the below of Cooling Holes 81, the top of air admission hole 82 with the junction of described dividing plate 4; On the internal perisporium of described housing 1, be pasted with conducting strip, described piston sheet 6 is made by conductive material, on the lateral wall below described dividing plate 4 is positioned at Cooling Holes 81, is pasted with conductive layer 41; Described conducting strip, piston sheet 6 and conductive layer 41 are connected in series to the power supply circuits into described lamp sheet 2 successively.
Described in the time that this explosion-proof lamp works long hours, lamp sheet 2 will produce larger heat, and described radiating block 21 is by the heat absorption of lamp sheet 2 outwards release; Because described dividing plate 4 is close to radiating block 21, dividing plate 4 absorbs heat and described expansion glue 7 is heated up, thereby expansion glue 7 expanded by heating promote to move on described piston sheet 6, and then the cooling agent of piston sheet 6 tops is extruded, cooling agent heat absorption rapidly from Cooling Holes 81 ejections, thus make the inner low temperature that keeps of housing 1; When after the interior recovery low temperature of housing 1, expansion glue 7 dwindles, and the air pressure at expansion glue 7 places reduces, and therefore the air in housing 1 supplements and enters from air admission hole 82; Because air admission hole 82 is equipped with check valve, the gas entering cannot be discharged, and therefore, in the time that expansion glue 7 is subject to high-temperature expansion again, it is large that the pressure at expansion glue 7 places becomes, and larger pressure is again pushed described piston sheet 6 to move, and again cooling agent is extruded and cooling housing 1; Because full cooling agent is filled in piston sheet 6 tops, the gas of the check valve at Cooling Holes 81 places blocking-up simultaneously enters, and therefore the cavity of piston sheet 6 tops is airtight conditions, and piston sheet 6 is not held can be fallen after rise.
In the present embodiment, the cooling agent that is filled in 52 tops, two described liquid storage chambeies is respectively phase transformation powder and deoxygenation powder; Described phase transformation powder can melt and absorb a large amount of heats fast; Phase transformation powder is layered on uniformly on filter 9 from Cooling Holes 81 ejections, instead of directly contacts radiating block 21, thereby has effectively prevented the pollution of phase transformation powder to radiating block 21; Phase transformation powder liquefies after heat absorption, and liquid phase transformation powder infiltrates and form moisture film on filter 9, has effectively increased endotherm area, has greatly promoted endothermic effect; Meanwhile, moisture film further prevents that powder from falling into radiating block 21; Deoxygenation powder can, by the oxygen expenditure in housing 1, not have comburant oxygen, and the blast probability of housing 1 inside significantly reduces, and the powder of deoxygenation simultaneously can also absorb moisture, keeps housing 1 dry, thereby extends service life of the present invention.
Along with the growth of service time, described piston sheet 6 moves on gradually, when moving on piston sheet 6 while approaching Cooling Holes 81, piston sheet 6 disconnects with the conductive layer 41 on dividing plate 4, thereby by the circuitry cuts of lamp body, remind attendant's cleaning and supplementary cooling agent in time, thus reduction accident odds.
Structure of the present invention is ingenious, can realize the intelligent cooling in housing 1 without installing electronic monitoring element additional, efficiently solves production cost and production difficulty, has simplified installation procedure simultaneously; In the regular maintenance of explosion-proof lamp, only need periodic cleaning and supplementary cooling agent, attended operation is simple, quick.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. a temperature control safety anti-explosive lamp, this temperature control safety anti-explosive lamp includes housing (1), lamp sheet (2) and lampshade (3), and described lampshade (3) is fixed on described lamp sheet (2) sealing on described housing (1); It is characterized in that: the radiating block (21) that is pasted with good heat conduction at the back side of described lamp sheet (2); The dividing plate (4) that is annular cylinder shape is installed in described housing (1), and the limit of ring up and down of described dividing plate (4) is the back side place of the airtight top board and the lamp sheet (2) that are connected to housing (1) respectively; Described dividing plate (4) and described radiating block (21) close contact; The symmetrical two pieces points of chamber plates (51) that are provided with in the airtight toroidal cavity (5) surrounding at described dividing plate (4), housing (1) and lamp sheet (2), described point of chamber plate (51) by toroidal cavity (5) be separated into two independently, be semiorbicular liquid storage chamber (52); In each described liquid storage chamber (52), be provided with level, semiorbicular piston sheet (6); Top at described piston sheet (6) is filled with cooling agent, is filled with air and expansion glue (7) in the below of described piston sheet (6); Offer the Cooling Holes (81) being communicated with cooling agent on the top of described dividing plate (4), the check valve that only allows cooling agent to flow out is installed in each described Cooling Holes (81); Offer air admission hole (82) in the bottom of described dividing plate (4), in described air admission hole (82), the check valve that only allows gas to enter is installed.
2. temperature control safety anti-explosive lamp according to claim 1, is characterized in that: the cooling agent that is filled in top, two described liquid storage chambeies (52) is respectively phase transformation powder and deoxygenation powder.
3. temperature control safety anti-explosive lamp according to claim 1 and 2, it is characterized in that: on the described dividing plate (4) that is annular cylinder shape, be also hung with filter (9), described filter (9) is positioned at the below of Cooling Holes (81), the top of air admission hole (82) with the junction of described dividing plate (4).
4. temperature control safety anti-explosive lamp according to claim 1, it is characterized in that: on the internal perisporium of described housing (1), be pasted with conducting strip, described piston sheet (6) is made by conductive material, on the lateral wall below described dividing plate (4) is positioned at Cooling Holes (81), is pasted with equally conductive layer (41); Described conducting strip, piston sheet (6) and conductive layer (41) are connected in series to the power supply circuits into described lamp sheet (2) successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510666178.4A CN105588007B (en) | 2015-10-16 | 2015-10-16 | Temperature control safe explosion-proof lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510666178.4A CN105588007B (en) | 2015-10-16 | 2015-10-16 | Temperature control safe explosion-proof lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105588007A true CN105588007A (en) | 2016-05-18 |
| CN105588007B CN105588007B (en) | 2018-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510666178.4A Active CN105588007B (en) | 2015-10-16 | 2015-10-16 | Temperature control safe explosion-proof lamp |
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| Country | Link |
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| CN (1) | CN105588007B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726257A (en) * | 2017-10-13 | 2018-02-23 | 盐城市宇能电气有限公司 | Flame-proof mine lighting device comprehensive protector |
| CN108518591A (en) * | 2018-03-19 | 2018-09-11 | 宁波成电协创科技合伙企业（有限合伙） | A kind of intelligent heat dissipation formula lamps and lanterns |
| CN110285334A (en) * | 2018-03-19 | 2019-09-27 | 宁波成电协创科技合伙企业（有限合伙） | A kind of automatic heat radiation formula lamps and lanterns |
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| CN202327892U (en) * | 2011-11-25 | 2012-07-11 | 北京同方兰森照明科技有限公司深圳分公司 | Diffusing type lighting LED (light-emitting diode) explosion-proof lamp with built-in radiator for oil station |
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2015
- 2015-10-16 CN CN201510666178.4A patent/CN105588007B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4142179A (en) * | 1971-04-19 | 1979-02-27 | Lowndes Roy B W | Safety warning lamps for adverse or hazardous atmospheres |
| US4425609A (en) * | 1982-09-29 | 1984-01-10 | General Electric Company | Fixture for hazardous area |
| US4482943A (en) * | 1983-12-21 | 1984-11-13 | General Electric Company | Tempered glass globe |
| CN2441020Y (en) * | 2000-09-05 | 2001-08-01 | 陈秀武 | Explosionproof light |
| CN2823792Y (en) * | 2005-08-10 | 2006-10-04 | 深圳市海洋王投资发展有限公司 | Solid maintaining-free explosion-proof lamp |
| CN201133628Y (en) * | 2007-06-07 | 2008-10-15 | 苏光耀 | Large power LED explosion-proof lamp |
| CN201187752Y (en) * | 2007-12-28 | 2009-01-28 | 丽鸿科技股份有限公司 | Structure improvement of LED explosion-proof lamp |
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| WO2010035996A2 (en) * | 2008-09-29 | 2010-04-01 | 화우테크놀러지주식회사 | Explosion-proof led lamp |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726257A (en) * | 2017-10-13 | 2018-02-23 | 盐城市宇能电气有限公司 | Flame-proof mine lighting device comprehensive protector |
| CN108518591A (en) * | 2018-03-19 | 2018-09-11 | 宁波成电协创科技合伙企业（有限合伙） | A kind of intelligent heat dissipation formula lamps and lanterns |
| CN110285334A (en) * | 2018-03-19 | 2019-09-27 | 宁波成电协创科技合伙企业（有限合伙） | A kind of automatic heat radiation formula lamps and lanterns |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105588007B (en) | 2018-07-31 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180709 Address after: 110000 900 Shengli South Street, Heping District, Shenyang, Liaoning Applicant after: Shenyang North Explosion-Proof Co., Ltd. Address before: 210000 Room 201, Yuyuan home 89, Guangji North Road, Xiangcheng District, Suzhou, Jiangsu Applicant before: Zhong Xingying |
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