CN202708765U - Switching explosion-proof lamp - Google Patents
Switching explosion-proof lamp Download PDFInfo
- Publication number
- CN202708765U CN202708765U CN2012204261806U CN201220426180U CN202708765U CN 202708765 U CN202708765 U CN 202708765U CN 2012204261806 U CN2012204261806 U CN 2012204261806U CN 201220426180 U CN201220426180 U CN 201220426180U CN 202708765 U CN202708765 U CN 202708765U
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- China
- Prior art keywords
- wire
- switch contact
- flange base
- elastic sheet
- conductive elastic
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- Expired - Lifetime
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Abstract
A switching explosion-proof lamp comprises a transparent lampshade which is arranged on a flange base. An air valve is disposed on the flange base. A threaded hole is disposed at the center of the flange base. A lamp base is disposed in the threaded hole at the center of the flange base. The flange base is in sealing connection with the lamp base through threads. A bulb is arranged in the transparent lampshade. The bottom of the bulb is provided with a wire I and a wire II. The end portion of the wire II is connected with a metal gasket disposed on the upper portion the lamp base. A metal separation blade is arranged on the flange base and connected with a conductive elastic sheet I through a wire III. A switch contact I is arranged on the end portion of the conductive elastic sheet I. The upper surface of the switch contact I contacts with the lower surface of an elastic membrane. A switch contact II is arranged under the switch contact I and connected with a wire IV through a conductive elastic sheet II. A power source and a commonly-used control switch are arranged between the wire I and the wire IV. The switching explosion-proof lamp is simple and compact in structure, wide in application range, low in manufacturing cost and convenient to maintain, and can not misinform due to violent vibrations.
Description
Technical field
The utility model relates to a kind of explosion-proof lamp, especially relates to a kind of switch explosion-proof lamp.
Background technology
Be used for the mine hoistway, the lighting of the industries such as oil has very strict requirement of explosion proof.In the prior art, be applied to the mine hoistway, the lighting of petroleum industry comprises Transparent lamp shade and is arranged on the interior light source of Transparent lamp shade.When Transparent lamp shade was broken, light source still was in "on" position, and this may cause burning or the blast of inflammable, explosion hazard gases, dust, or caused the safety problem such as electric shock to affect staff's life security.
Chinese patent 200910106783.0 discloses a kind of explosion-proof lamp, and the transmission element that comprise lamp housing, is tightly connected with described lamp housing and light source, support bar are arranged in the described explosion-proof lamp, are provided with lead sheeting on it; Switching circuit board is electrically connected with described light source; Microswitch is connected electrically on the described switching circuit board, is provided with the switch contact that makes the outage of described light source when being pressed on it, described switch contact be positioned at described lead sheeting under; The lower end of wherein said support bar and the inwall of described transmission element offset, and the top of support bar offsets by flexible member and envelope inner wall, and described flexible member is compressed, so that leave spacing between described lead sheeting and the described microswitch.Its breakage by lampshade triggers cut-off switch, accuracy is relatively poor, in the less situation of sealed transparent shell breakage flip flop equipment is failure to actuate, and might touch cut-off switch by abnormal under high vibration, functional reliability is lower, and service life is shorter.
The utility model content
The technical problems to be solved in the utility model is, overcomes the defects that prior art exists, and provides a kind of functional reliability high, the switch explosion-proof lamp of long service life.
The technical scheme that its technical problem that solves the utility model adopts is: the switch explosion-proof lamp, comprise Transparent lamp shade, described Transparent lamp shade is located at the flange base top, flange base is provided with valve, the flange base center has screwed hole, be provided with lamp socket in the flange base screwed hole of centre, flange base is connected by thread seal with lamp socket, be provided with bulb in the Transparent lamp shade, light bulb base is provided with wire I and wire II, wire II end links to each other with the metallic gasket of being located at lamp socket top, the flange base top is provided with the metal catch, the metal catch links to each other with electrically conductive elastic sheet I by the wire III, electrically conductive elastic sheet I end is provided with the switch contact I, and switch contact I upper surface contacts with the flexible sheet lower surface, and switch contact I below is provided with the switch contact II, the switch contact II links to each other with the wire IV by electrically conductive elastic sheet II, is provided with power supply and gauge tap commonly used between wire I and the wire IV.
Wire I, bulb, wire II, metallic gasket, metal catch, wire III, electrically conductive elastic sheet I, switch contact I, switch contact II, electrically conductive elastic sheet II, wire IV forming circuit loop.
Further, described electrically conductive elastic sheet I and electrically conductive elastic sheet II all are preferably the metallic elastic sheet.
Further, described flange base one side is provided with shell, and switch contact I, switch contact II and flexible sheet all are located in the shell.Shell is for the protection of switch contact I, switch contact II and flexible sheet.
The utility model is guaranteed Transparent lamp shade when less broken or gas leakage by accurate reliably trigger mechanism, can be sensitive detect and in time trigger cut-off switch.The utility model makes flexible sheet outwardly by valve to the Transparent lamp shade internal pressurization, and flexible sheet promotes the contact of two switch contacts; Adopt inside and outside differential pressure to come the disconnection of control circuit, in case clear lamp is covered with gas leakage or damaged in time disconnecting circuit, be conducive to prevent that flammable explosive gas from entering in the lampshade, sensitivity is very high.
The utility model is simple in structure, compact, and is applied widely, can be owing to high vibration not to be reported by mistake, and accuracy is high.Low cost of manufacture is convenient to maintenance.
Description of drawings
Fig. 1 is the utility model one example structure schematic diagram;
Fig. 2 is local structure for amplifying schematic diagram embodiment illustrated in fig. 1.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
With reference to Fig. 1,2, present embodiment comprises Transparent lamp shade 1, described Transparent lamp shade 1 is located at flange base 6 tops, melting is integrated in the junction for Transparent lamp shade 1 and flange base 6, flange base 6 is provided with valve 2, flange base 6 centers have screwed hole, be provided with lamp socket 4 in flange base 6 screwed hole of centre, flange base 6 and lamp socket 4 are connected by thread seal, be provided with bulb 7 in the Transparent lamp shade 1, bulb 7 bottoms are provided with wire I 3 and wire II 5, wire II 5 ends link to each other with the metallic gasket 11 of being located at lamp socket 4 tops, flange base 6 tops are provided with metal catch 8, and metal catch 8 links to each other with electrically conductive elastic sheet I 17 by wire III 12, and electrically conductive elastic sheet I 17 ends are provided with switch contact I 16, switch contact I 16 upper surfaces contact with flexible sheet 13 lower surfaces, switch contact I 16 belows are provided with switch contact II 15, and switch contact II 15 links to each other with wire IV 14 by electrically conductive elastic sheet II 18, are provided with power supply and gauge tap commonly used between wire I 3 and the wire IV 14.
Wire I 3, bulb 7, wire II 5, metallic gasket 11, metal catch 8, wire III 12, electrically conductive elastic sheet I 17, switch contact I 16, switch contact II 15, electrically conductive elastic sheet II 18, wire IV 14 forming circuit loops.
Described electrically conductive elastic sheet I 17 and electrically conductive elastic sheet II 18 are the metallic elastic sheet.
During normal the use, lamp socket 4 is screwed in flange base 6, so that metallic gasket 11 contacts with metal catch 8.Give Transparent lamp shade 1 inflating pressure by valve 2, make flexible sheet 13 under the inside and outside differential pressure effect, protrude promotion electrically conductive elastic sheet I 17 downwards deformation occur, switch contact I 16 contacts with switch contact II 15.By the gauge tap commonly used between back traverse I 3 and the wire IV 14, bulb is shinny.When Transparent lamp shade 1 breakage or gas leakage, flexible sheet 13 restores to the original state, and switch contact I 16, switch contact II 15 disconnect under the restoring force effect of electrically conductive elastic sheet 17, and circuit is disconnected, and bulb does not work.
Claims (3)
1. switch explosion-proof lamp, comprise Transparent lamp shade, described Transparent lamp shade is located at the flange base top, flange base is provided with valve, the flange base center has screwed hole, be provided with lamp socket in the flange base screwed hole of centre, flange base is connected by thread seal with lamp socket, be provided with bulb in the Transparent lamp shade, it is characterized in that, light bulb base is provided with wire I and wire II, wire II end links to each other with the metallic gasket of being located at lamp socket top, the flange base top is provided with the metal catch, and the metal catch links to each other with electrically conductive elastic sheet I by the wire III, and electrically conductive elastic sheet I end is provided with the switch contact I, switch contact I upper surface contacts with the flexible sheet lower surface, switch contact I below is provided with the switch contact II, and the switch contact II links to each other with the wire IV by electrically conductive elastic sheet II, is provided with power supply and gauge tap commonly used between wire I and the wire IV.
2. switch explosion-proof lamp according to claim 1 is characterized in that, described electrically conductive elastic sheet I and electrically conductive elastic sheet II are the metallic elastic sheet.
3. switch explosion-proof lamp according to claim 1 and 2 is characterized in that, described flange base one side is provided with shell, and switch contact I, switch contact II and flexible sheet all are located in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204261806U CN202708765U (en) | 2012-08-27 | 2012-08-27 | Switching explosion-proof lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204261806U CN202708765U (en) | 2012-08-27 | 2012-08-27 | Switching explosion-proof lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202708765U true CN202708765U (en) | 2013-01-30 |
Family
ID=47589065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204261806U Expired - Lifetime CN202708765U (en) | 2012-08-27 | 2012-08-27 | Switching explosion-proof lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202708765U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798022A (en) * | 2012-08-27 | 2012-11-28 | 刘立文 | Explosion-proof lamp with membrane switch |
| CN105042479A (en) * | 2015-08-27 | 2015-11-11 | 孙嘉济 | Delay air bag illuminating lamp for children and charging device of lamp |
| TWI568968B (en) * | 2014-02-18 | 2017-02-01 | Explosion-proof light connector |
-
2012
- 2012-08-27 CN CN2012204261806U patent/CN202708765U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798022A (en) * | 2012-08-27 | 2012-11-28 | 刘立文 | Explosion-proof lamp with membrane switch |
| CN102798022B (en) * | 2012-08-27 | 2014-03-12 | 刘立文 | Explosion-proof lamp with membrane switch |
| TWI568968B (en) * | 2014-02-18 | 2017-02-01 | Explosion-proof light connector | |
| CN105042479A (en) * | 2015-08-27 | 2015-11-11 | 孙嘉济 | Delay air bag illuminating lamp for children and charging device of lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130130 Effective date of abandoning: 20140312 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130130 Effective date of abandoning: 20140312 |