CN102401357A - Explosion-proof structure of mine lamp - Google Patents

Explosion-proof structure of mine lamp Download PDF

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Publication number
CN102401357A
CN102401357A CN201110400291XA CN201110400291A CN102401357A CN 102401357 A CN102401357 A CN 102401357A CN 201110400291X A CN201110400291X A CN 201110400291XA CN 201110400291 A CN201110400291 A CN 201110400291A CN 102401357 A CN102401357 A CN 102401357A
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CN
China
Prior art keywords
end cap
terminal box
mine lamp
driving power
blast resistance
Prior art date
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Granted
Application number
CN201110400291XA
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Chinese (zh)
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CN102401357B (en
Inventor
刘洪冬
王宇
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.)
Tcl Huarui Lighting Technology Huizhou Co ltd
Very Optoelectronics Huizhou Co Ltd
Huizhou TCL Light Electrical Appliance Co Ltd
TCL Light Source Technology Huizhou Co Ltd
Original Assignee
Huizhou TCL Light Electrical Appliance Co Ltd
TCL Light Source Technology Huizhou Co Ltd
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Filing date
Publication date
Application filed by Huizhou TCL Light Electrical Appliance Co Ltd, TCL Light Source Technology Huizhou Co Ltd filed Critical Huizhou TCL Light Electrical Appliance Co Ltd
Priority to CN 201110400291 priority Critical patent/CN102401357B/en
Publication of CN102401357A publication Critical patent/CN102401357A/en
Application granted granted Critical
Publication of CN102401357B publication Critical patent/CN102401357B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention belongs to the technical field of illumination, and in particular discloses an explosion-proof structure of a mine lamp. The explosion-proof structure comprises a junction box and an end cover of the junction box, a driving power supply for driving an illumination lamp to work is arranged in the junction box, a connecting terminal electrically connected with the driving power supply and connected with an external power supply is arranged in the end cover, two mobile dynamic contact switches in normally-open states are arranged at the input end of the driving power supply, and a mechanism capable of being matched with the contact switches to control power-on and power-off when the end cover is opened and closed is arranged on the end cover. Through the explosion-proof structure, the safety of the mine lamp is greatly improved, and various safety accidents caused by misuse of the mine lamp are eliminated.

Description

A kind of blast resistance construction of mine lamp
Technical field
The present invention relates to technical field of lamps, particularly a kind of blast resistance construction of mine lamp.
Background technology
Safety in production is the most important ring in the colliery, and in the progress of coal mining meeting, discharges a large amount of inflammable gases.Just can ignite blast in case run into spark etc.Consequence is very serious.Therefore, in the harsh down-hole of condition, the anti-system that ensures safety of lighting is particularly important.The light fixture that uses in the colliery at present; On end cap, can show " forbid charged uncapping " printed words, but, can cover a large amount of dusts on the end cap along with the growth of service time; And printed words that maybe " forbid charged uncapping " cover; When seeing, the staff do not note printed words and directly uncaps that inflammable, explosion hazard gases gets into has just had the danger of blasting.What therefore design invention uncovering power-off protection system showed is particularly important.This invention is used led light source based on conventional downhole coal mine light fixture, and the energy-conserving and environment-protective life-span is long; And possesses the automatic circuit break function of uncapping; When avoiding the maintenance personal not cut off the power supply uncapping maintenance or other maloperations, methane gas gets into lamp interior, produces the electric spark methane gas that ignites.
Summary of the invention
To above-mentioned technological deficiency, the present invention solves the coal mine working personnel and does not cut off the electricity supply and directly open the explosion caused danger of mine lamp end cap, the blast resistance construction of a kind of mine lamp of ad hoc meter
For solving the problems of the technologies described above; Technical scheme provided by the invention is: a kind of blast resistance construction of mine lamp; The end cap that comprises terminal box and terminal box is provided with the driving power that drives illuminating lamp work in terminal box, in end cap, be provided with driving power and form the binding post that is electrically connected and connects external power source; Input at driving power is provided with the moving contact-making switch of two displacements that are in normally open, can cooperate the mechanism of control outage and energising when on end cap, being provided with the folding end cap with contact-making switch.
Further: in the blast resistance construction of above-mentioned mine lamp, described mechanism is provided in a side of the end cap inboard, and after end cap and terminal box are sealed, just compresses the boss of contact-making switch.Also be connected with short circuit overload overvoltage crowbar and abnormal signal feedback circuit at the driving power output.The effect of the moving switch of two displacements that the driving power input is established also has driving power to contain lightning resistance design, also can effectively prevent to respond to the surge impact of thunder generation, and generation static causes spark.The driving power output also is connected with short circuit overload overvoltage crowbar and abnormal signal feedback circuit; There is abnormal signal to occur; To chip for driving, chip is closed the duty of driving power to feedback circuit immediately with this signal feedback, thereby improves the security of mine lamp.Described binding post is provided with the terminal cap that prevents that electric spark that binding post causes from burning driving power.Described binding post is fixed on the end cap, and terminal cap is fixed on the binding post, and driving power is fixed on the terminal box, and end cap and terminal box are fixed together through screw.
Further again: in the blast resistance construction of above-mentioned mine lamp, described end cap and terminal box are lightweight pack alloy shells, and promptly end cap and terminal box are to be formed by light aluminum alloy die casting; Its essential element content is: aluminium 84.6%; Magnesium 0.055%, titanium 0.044%, zirconium 0.1147%.Described end cap and wiring inboard scribble and prevent power source fire-striking and climb out of the insulating paint that sets off an explosion along the composition surface.The gap, composition surface of described end cap and terminal box is smaller or equal to 0.3mm, and surface roughness is smaller or equal to 3.2 μ m, and scribbles on the composition surface and prevent to produce in the terminal box antirust oil that electric spark or internal explosion cause spark.
Compared with prior art; The blast resistance construction of above-mentioned mine lamp; The end cap that comprises terminal box and terminal box is provided with the driving power that drives illuminating lamp work in terminal box, in end cap, be provided with driving power and form the binding post that is electrically connected and connects external power source; Input at driving power is provided with the moving contact-making switch of two displacements that are in normally open, can cooperate the mechanism of control outage and energising when on end cap, being provided with the folding end cap with contact-making switch.Promptly be provided with cylindrical boss in the end cap inboard, this boss just compresses contact-making switch after end cap and terminal box are sealed, and power supply that makes and external electric form path.When end cap was opened, contact-making switch unclamped, and power supply and external electric form and open circuit.So explosion-proof knot solves the coal mine working personnel, when not cutting off the electricity supply and directly open the explosion caused danger of mine lamp end cap, thereby avoid the explosion caused danger in colliery.This blast resistance construction has been arranged, and the security of mine lamp improves greatly, has got rid of the various security incidents that the mine lamp improper use causes.
Description of drawings
Fig. 1 is the explosive view of the blast resistance construction of mine lamp of the present invention;
Wherein, 1 terminal box, 2 end caps, 3 driving powers, 4 binding posts, 5 contact-making switches, 6 boss, 7 terminal cap.
The specific embodiment
For the ease of those skilled in the art's understanding, will combine specific embodiment and accompanying drawing that structural principle of the present invention is done further to describe in detail below:
Like accompanying drawing 1; A kind of blast resistance construction of mine lamp; Comprise the end cap 2 of terminal box 1 and terminal box, in terminal box, be provided with the driving power 3 that drives illuminating lamp work, in end cap 1, be provided with driving power 3 and form the binding post 4 that is electrically connected and connects external power source; Input at driving power 3 is provided with the moving contact-making switch 5 of two displacements that are in normally open, can cooperate the mechanism of control outage and energising when on end cap 2, being provided with the folding end cap with contact-making switch.Described mechanism is provided in a side of end cap 1 inboard, and after end cap 1 and terminal box 5 are sealed, just compresses the boss 6 of contact-making switch 5.Also be connected with short circuit overload overvoltage crowbar and abnormal signal feedback circuit at the driving power output.Described binding post 3 is provided with the terminal cap 7 that prevents that electric spark that binding post causes from burning driving power.Described binding post 3 is fixed on the end cap 1, and terminal cap 7 is fixed on the binding post 3, and driving power 3 is fixed on the terminal box 5, and end cap 1 and terminal box 5 are fixed together through screw.Described end cap 1 is lightweight pack alloy shells with terminal box 5.Described end cap 1 scribbles with terminal box 5 inboards and prevents power source fire-striking and climb out of the insulating paint that sets off an explosion along the composition surface.The gap, composition surface of described end cap 1 and terminal box 5 is smaller or equal to 0.3mm, and surface roughness is smaller or equal to 3.2 μ m, and scribbles on the composition surface and prevent to produce in the terminal box antirust oil that electric spark or internal explosion cause spark.
Boss 6 just compresses contact-making switch 5, power supply that makes and external electric formation path after end cap 2 and terminal box 1 are sealed.When end cap 2 was opened, contact-making switch 5 unclamped, and power supply and external electric form and open circuit.So this blast resistance construction solves coal mine working personnel, when not cutting off the electricity supply and directly open the explosion caused danger of mine lamp end cap 2, thereby avoid the explosion caused danger in colliery.This blast resistance construction has been arranged, and the security of mine lamp improves greatly, has got rid of the various security incidents that the mine lamp improper use causes.
The foregoing description is merely preferred implementation of the present invention, and under the prerequisite that does not break away from the present invention's design, any conspicuous replacement all should fall within protection scope of the present invention.

Claims (8)

1. the blast resistance construction of a mine lamp; The end cap (2) that comprises terminal box (1) and terminal box; In terminal box, be provided with the driving power (3) that drives illuminating lamp work; In end cap (1), be provided with driving power (3) and form the binding post (4) that is electrically connected and connects external power source; It is characterized in that: the input at driving power (3) is provided with the moving contact-making switch (5) of two displacements that are in normally open, can cooperate the mechanism of control outage and energising when on end cap (2), being provided with the folding end cap with contact-making switch.
2. the blast resistance construction of mine lamp according to claim 1, it is characterized in that: described mechanism is provided in a side of end cap (1) inboard, and after end cap (1) and terminal box (5) are sealed, just compresses the boss (6) of contact-making switch (5).
3. the blast resistance construction of mine lamp according to claim 2 is characterized in that: also be connected with short circuit overload overvoltage crowbar and abnormal signal feedback circuit at the driving power output.
4. the blast resistance construction of mine lamp according to claim 3 is characterized in that: described binding post (3) is provided with the terminal cap (7) that prevents that electric spark that binding post causes from burning driving power.
5. the blast resistance construction of mine lamp according to claim 4; It is characterized in that: described binding post (3) is fixed on the end cap (1); Terminal cap (7) is fixed on the binding post (3); Driving power (3) is fixed on the terminal box (5), and end cap (1) is fixed together through screw with terminal box (5).
6. according to the blast resistance construction of any described mine lamp among the claim 1-5, it is characterized in that: described end cap (1) is a lightweight pack alloy shell with terminal box (5).
7. according to the blast resistance construction of any described mine lamp among the claim 1-5, it is characterized in that: described end cap (1) scribbles with terminal box (5) inboard and prevents power source fire-striking and climb out of the insulating paint that sets off an explosion along the composition surface.
8. according to the blast resistance construction of any described mine lamp among the claim 1-5; It is characterized in that: the gap, composition surface of described end cap (1) and terminal box (5) is smaller or equal to 0.3mm; Surface roughness is smaller or equal to 3.2 μ m, and scribbles on the composition surface and prevent to produce in the terminal box antirust oil that electric spark or internal explosion cause spark.
CN 201110400291 2011-12-06 2011-12-06 Explosion-proof structure of mine lamp Expired - Fee Related CN102401357B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110400291 CN102401357B (en) 2011-12-06 2011-12-06 Explosion-proof structure of mine lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110400291 CN102401357B (en) 2011-12-06 2011-12-06 Explosion-proof structure of mine lamp

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CN102401357A true CN102401357A (en) 2012-04-04
CN102401357B CN102401357B (en) 2013-01-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114071914A (en) * 2020-10-22 2022-02-18 图尔克(天津)科技有限公司 Module carrier with explosion-proof function

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB393721A (en) * 1932-03-19 1933-06-15 Maxlume Lighting & Heating Com Improvements in electric lamp fittings of the flame-proof type
DE3146375A1 (en) * 1980-12-24 1983-06-01 Kombinat Veb Keramische Werke Hermsdorf, Ddr 6530 Hermsdorf Explosion-proof and firedamp-proof lighting fixture
DE3942874A1 (en) * 1989-12-23 1991-06-27 Boesha Gmbh & Co Kg Flat lamp construction suitable for mine strut - has safety switch ensuring no current can flow until hood or cover is properly fitted
CN1188869A (en) * 1997-01-16 1998-07-29 本田技研工业株式会社 Headlight for vehicle
CN2451892Y (en) * 2000-09-18 2001-10-03 薛正根 Automatic latching antiexplosive lamps and lanterns
CN101270866A (en) * 2008-05-09 2008-09-24 创正防爆电器有限公司 Explosion-proof lamp

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB393721A (en) * 1932-03-19 1933-06-15 Maxlume Lighting & Heating Com Improvements in electric lamp fittings of the flame-proof type
DE3146375A1 (en) * 1980-12-24 1983-06-01 Kombinat Veb Keramische Werke Hermsdorf, Ddr 6530 Hermsdorf Explosion-proof and firedamp-proof lighting fixture
DE3942874A1 (en) * 1989-12-23 1991-06-27 Boesha Gmbh & Co Kg Flat lamp construction suitable for mine strut - has safety switch ensuring no current can flow until hood or cover is properly fitted
CN1188869A (en) * 1997-01-16 1998-07-29 本田技研工业株式会社 Headlight for vehicle
CN2451892Y (en) * 2000-09-18 2001-10-03 薛正根 Automatic latching antiexplosive lamps and lanterns
CN101270866A (en) * 2008-05-09 2008-09-24 创正防爆电器有限公司 Explosion-proof lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114071914A (en) * 2020-10-22 2022-02-18 图尔克(天津)科技有限公司 Module carrier with explosion-proof function

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Address after: 516006 Zhongkai High-tech Development Zone, Huizhou City, Guangdong Province, District 9

Co-patentee after: TCL LIGHT SOURCE ENERGY SAVING TECHNOLOGY (HUIZHOU) Co.,Ltd.

Patentee after: HUIZHOU TCL LIGHT ELECTRICAL APPLIANCE Co.,Ltd.

Address before: 516006 Zhongkai High-tech Development Zone, Huizhou City, Guangdong Province, District 9

Co-patentee before: TCL Light Source Technology (Huizhou) Co.,Ltd.

Patentee before: HUIZHOU TCL LIGHT ELECTRICAL APPLIANCE Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20181217

Address after: 516000 No. 72 Huifeng 4th Road, Zhongkai High-tech Zone, Huizhou City, Guangdong Province (Factory Building)

Co-patentee after: VERY OPTOELECTRONICS (HUIZHOU) Co.,Ltd.

Patentee after: TCL HUARUI LIGHTING TECHNOLOGY (HUIZHOU) Co.,Ltd.

Address before: 516006 Zhongkai High-tech Development Zone, Huizhou City, Guangdong Province, District 9

Co-patentee before: TCL LIGHT SOURCE ENERGY SAVING TECHNOLOGY (HUIZHOU) Co.,Ltd.

Patentee before: HUIZHOU TCL LIGHT ELECTRICAL APPLIANCE Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130130

Termination date: 20201206