CN101761902B - Explosion protection lead wire connector and explosion protection lamp - Google Patents
Explosion protection lead wire connector and explosion protection lamp Download PDFInfo
- Publication number
- CN101761902B CN101761902B CN201010105378XA CN201010105378A CN101761902B CN 101761902 B CN101761902 B CN 101761902B CN 201010105378X A CN201010105378X A CN 201010105378XA CN 201010105378 A CN201010105378 A CN 201010105378A CN 101761902 B CN101761902 B CN 101761902B
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- explosion protection
- flame proof
- lead wire
- wire connector
- sealing shroud
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Abstract
The invention relates to an explosion protection lead wire connector and an explosion protection lamp. The explosion protection lead wire connector is used to electrically connect an explosion protection indoor lead wire (5) and an explosion protection outdoor lead wire (6), and the explosion protection lead wire connector comprises an electric conduction column (12) and a sealing sleeve (11), two ends of the electric conduction column (12) are provided with a leading-in end (121) and a leading-out end (122) which are electrically connected with the explosion protection indoor lead wire (5) and the explosion protection outdoor lead wire (6) respectively; the sealing sleeve (11) is connected with an explosion protection chamber (8) in a dismounting and sealing way, the electric conduction column (12) penetrates out of the sealing sleeve (11) from the inner part of the explosion protection chamber (8), and an insulating layer (13) is arranged between the electric conduction column (12) and the sealing sleeve (11). The connection reliability and the mechanical strength of the explosion protection lead wire connector can be ensured by the explosion protection lead wire connector, thereby ensuring the reliable explosion protection performance. Moreover, the explosion protection lead wire connector and the explosion protection chamber are connected in the dismounting and sealing way, therefore, the explosion protection lead wire connector is easy to replace and the universality is great.
Description
Technical field
The invention belongs to lighting field.Particularly, the present invention relates to a kind of explosion protection lead wire connector and have the explosion protection lamp of explosion protection lead wire connector.
Background technology
Along with the develop rapidly of industries such as oil, chemical industry, lighting produce, use in the storage, rescue more and more widely, kind is more and more.The generation that in the damp hazardous area, how to prevent the blast of lighting accident property has become crucial problem.Because lighting produces electric spark inevitably or forms red-hot surface when work; They are in case meet with the explosive gas mixture of production or rescue site; Will cause the generation of explosion accident, directly jeopardize national wealth and citizen's life security.Therefore, as most popular lighting, its flame proof technical problem has caused people's common concern and great attention already.
Traditionally,, guarantee spark that the indoor lead-in wire of flame proof of explosion protection lamp the produces flame proof chamber of can not overflowing, prevent that flame proof outside damp from being ignited generally through sealing (as shown in Figure 9) or directly butt welding.Yet, the easy loose or dislocation of sealing, and be unfavorable for changing.Therefore, its explosion insulation performance is unreliable.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of explosion protection lead wire connector, its sound construction, and explosion insulation performance is reliable, and is easy to change.
Another technical problem to be solved by this invention is to provide a kind of explosion protection lamp, and its explosion insulation performance is reliable, and is safer.
The present invention solves the problems of the technologies described above the technical scheme that is adopted and is: construct a kind of explosion protection lead wire connector; Be used to be electrically connected flame proof chamber interior lead-in wire and flame proof outside lead-in wire; It comprises conductive pole and sealing shroud, and the two ends of said conductive pole have leading-in end and the exit that is electrically connected with flame proof chamber interior lead-in wire and flame proof outside lead-in wire respectively; Said sealing shroud and flame proof chamber removably are tightly connected, and said conductive pole passes said sealing shroud from the flame proof chamber interior, are provided with insulating barrier between said conductive pole and the said sealing shroud.
Preferably; In above-mentioned explosion protection lead wire connector; Said leading-in end and said exit are equipped with screw hole; Said flame proof chamber interior lead-in wire and flame proof outside lead-in wire have lug plate respectively, and the lug plate of said flame proof chamber interior lead-in wire and flame proof outside lead-in wire is fastened on said leading-in end and the said exit through screw respectively.
Preferably, in above-mentioned explosion protection lead wire connector, be provided with pad between said leading-in end, said exit and the screw.
Preferably, in above-mentioned explosion protection lead wire connector, said conductive pole and said sealing shroud are the brass workpiece.
Preferably, in above-mentioned explosion protection lead wire connector, said insulating barrier is the polyphenylene sulfide layer.
Preferably, in above-mentioned explosion protection lead wire connector, said sealing shroud is provided with external screw thread, and said flame proof chamber is provided with the screwed hole that matches with said sealing shroud.
Preferably, in above-mentioned explosion protection lead wire connector, it is that 1 millimeter, middle footpath are 14 millimeters external screw thread that sealing shroud is provided with pitch.
The present invention also provides a kind of explosion protection lamp, comprises the flame proof chamber and the light source that are surrounded by housing, and it is indoor that said light source is arranged on flame proof, and wherein, said explosion protection lamp also comprises the explosion protection lead wire connector that at least one is above-mentioned.
Preferably; In above-mentioned explosion protection lamp; Said explosion protection lamp comprises two explosion protection lead wire connectors that are arranged side by side; Be provided with locking plate between said two explosion protection lead wire connectors, said locking plate is fixed on the said housing, is respectively arranged with the seam that engages with said locking plate on the sealing shroud of said two explosion protection lead wire connectors.
Preferably, in above-mentioned explosion protection lamp, said seam forms through on said sealing shroud, cutting arch section.
Adopt explosion protection lead wire connector of the present invention and explosion protection lamp can obtain following beneficial effect.
1. owing to comprise conductive pole and sealing shroud at explosion protection lead wire connector of the present invention, the two ends of flame proof chamber conductive pole have leading-in end and the exit that is electrically connected with flame proof chamber interior lead-in wire and flame proof outside lead-in wire respectively; Flame proof chamber sealing shroud and flame proof chamber removably are tightly connected; Flame proof chamber conductive pole passes flame proof chamber sealing shroud from the flame proof chamber interior; Be provided with insulating barrier between flame proof chamber conductive pole and the flame proof chamber sealing shroud, thus its sound construction, thus can guarantee reliable explosion insulation performance.In addition, because explosion protection lead wire connector of the present invention and flame proof chamber removably be tightly connected, so be easy to replacing, highly versatile.
2. because in above-mentioned explosion protection lead wire connector; Flame proof chamber leading-in end and flame proof chamber exit are equipped with screw hole; Flame proof chamber flame proof chamber interior lead-in wire and flame proof outside lead-in wire have lug plate respectively; The lug plate of flame proof chamber flame proof chamber interior lead-in wire and flame proof outside lead-in wire is fastened on flame proof chamber leading-in end and the flame proof chamber exit through screw respectively; So can strengthen flame proof chamber interior lead-in wire and the be connected reliability of flame proof outside lead-in wire, thereby guarantee to increase reliably the peace performance with leading-in end with the flame proof chamber exit of explosion protection lead wire connector.
3. because in above-mentioned explosion protection lead wire connector; Be provided with pad between flame proof chamber leading-in end, flame proof chamber exit and the screw; So can further strengthen flame proof chamber interior lead-in wire and the be connected reliability of flame proof outside lead-in wire, thereby guarantee to increase reliably the peace performance with leading-in end with the flame proof chamber exit of explosion protection lead wire connector.
4. because in above-mentioned explosion protection lead wire connector, flame proof chamber conductive pole and flame proof chamber sealing shroud are the brass workpiece,, reduce power attenuation so can guarantee the explosion protection lead wire connector excellent conducting performance.
5. because in above-mentioned explosion protection lead wire connector, flame proof chamber insulating barrier is a polyphenylene sulfide, polyphenylene sulfide (being also referred to as the PPS plastics) electrical insulating property is good; Mechanical strength is high; High temperature resistant, high flame retardant is so can further strengthen flame proof chamber interior lead-in wire and the be connected reliability of flame proof outside lead-in wire with leading-in end with the flame proof chamber exit of explosion protection lead wire connector; Improve the mechanical strength of explosion protection lead wire connector, and be beneficial to insulation and guarantee electrical distance.
6. because in above-mentioned explosion protection lead wire connector; Flame proof chamber sealing shroud is provided with external screw thread; The flame proof chamber is provided with the screwed hole that matches with flame proof chamber sealing shroud, and this external screw thread can be that 1 millimeter, middle footpath are 14 millimeters external screw thread for pitch, so only need in the flame proof chamber, to reserve screwed hole and the assembly space of M14; Just can use explosion protection lead wire connector of the present invention easily, its versatility, compatible strong.
7. because in above-mentioned explosion protection lamp; Flame proof chamber explosion protection lamp comprises two explosion protection lead wire connectors that are arranged side by side; Be provided with locking plate between two explosion protection lead wire connectors in flame proof chamber, flame proof chamber locking plate is fixed on the housing of flame proof chamber, is respectively arranged with the seam that engages with flame proof chamber locking plate on the sealing shroud of two explosion protection lead wire connectors in flame proof chamber; Rotate so can prevent explosion protection lead wire connector, cause the screw loosening that connects lead-in wire and cause connect unstable.
Description of drawings
To combine accompanying drawing and specific embodiment to describe the present invention below, each accompanying drawing might not proportionally be drawn, in the accompanying drawing:
Fig. 1 is an explosion protection lead wire connector schematic cross-section in use in the preferred embodiments of the present invention;
Fig. 2 is the sectional view of explosion protection lead wire connector in the preferred embodiments of the present invention;
Fig. 3 is the side view of explosion protection lead wire connector in the preferred embodiments of the present invention;
Fig. 4 is the plane of a kind of locking plate of explosion protection lamp in the preferred embodiments of the present invention;
Fig. 5 is the side view of a kind of locking plate of explosion protection lamp in the preferred embodiments of the present invention;
Fig. 6 is the plane of the another kind of locking plate of explosion protection lamp in the preferred embodiments of the present invention;
Fig. 7 is the side view of the another kind of locking plate of explosion protection lamp in the preferred embodiments of the present invention;
Fig. 8 is the schematic cross-section of explosion protection lamp in the preferred embodiments of the present invention;
Fig. 9 is for to use sealing to carry out the partial cross section sketch map of the light fixture of flame proof traditionally.
Description of reference numerals
1 explosion protection lead wire connector
11 sealing shrouds
111 seams
12 conductive poles
121 leading-in ends
122 exits
13 insulating barriers
2 screws
3 pads
4 lug plates
5 inner leads
6 outside leads
7 locking plates
71 holding sections
72 installing holes
73 holding sections
74 installing holes
Flame proof chambers 8
81 housings
82 light sources
9 sealings
The specific embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Shown in Fig. 1 to 3, explosion protection lead wire connector is used for flame proof chamber interior lead-in wire 5 and flame proof outside lead-in wire 6 are electrically connected, and guarantees spark that the lead-in wires in the flame proof chamber 8 of explosion protection lamp the produce flame proof chamber of can not overflowing, and prevents that flame proof chamber 8 extraneous explosion property gases from being ignited.
In a preferred embodiment of the invention, explosion protection lead wire connector comprises sealing shroud 11 and conductive pole 12.Conductive pole 12 passes sealing shroud 11 from 8 inside, flame proof chamber.Sealing shroud 11 is rotary body with conductive pole 12.The two ends leading-in end 121 and the exit 122 of conductive pole 12, wherein, leading-in end 121 is electrically connected with flame proof chamber interior lead-in wire 5 securely, and exit 122 is electrically connected with flame proof outside lead-in wire 6 securely.Though it is noted that among this paper to combine the flame proof chamber of light fixture that explosion protection lead wire connector of the present invention is described, the flame proof chamber can be the flame proof chamber of multiple device or equipment, for example can be for the flame proof chamber of the motor that in explosive atmosphere, uses etc.
Sealing shroud 11 removably is tightly connected with flame proof chamber 8.Like this, on the one hand installation and removal explosion protection lead wire connector and be beneficial to replacing easily on the other hand, guarantees the sealing property of flame proof chamber 8.In addition, be provided with insulating barrier (insulating packing) 13 between conductive pole 12 and the sealing shroud 11.
As shown in Figure 2, leading-in end 121 is equipped with screw hole with exit 122, and flame proof chamber interior lead-in wire 5 has lug plate 4 respectively with flame proof outside lead-in wire 6.This lug plate 4 has the centre bore (not shown).Flame proof chamber interior lead-in wire 5 is fastened on leading-in end 121 and the exit 122 through screw 2 respectively with the lug plate 4 of flame proof outside lead-in wire 6.In addition, be provided with pad 3 between leading-in end 121, exit 122 and the screw 2.This pad 3 can be known elastomeric pad.Like this, can strengthen the reliability that is connected with screw 2, avoid single being welded to connect and the unstability that causes, meet and increase the peace performance requirement through pad 3.Conductive pole 12 is the good brass workpiece of electric conductivity with sealing shroud 11.Certainly, the invention is not restricted to this, conductive pole 12 can be electric conductivity good metal workpiece.Particularly, conductive pole 12 can be aluminium bar.
The insulating barrier (insulating materials) 13 that is provided with between conductive pole 12 and the sealing shroud 11 can be polyphenylene sulfide (being also referred to as the PPS plastics) layer; So that can further strengthen flame proof chamber interior lead-in wire and the be connected reliability of flame proof outside lead-in wire with leading-in end with the flame proof chamber exit of explosion protection lead wire connector; Improve the mechanical strength of explosion protection lead wire connector, and be beneficial to insulation and guarantee electrical distance.
For realizing that sealing shroud 11 and flame proof chamber 8 removably are tightly connected, sealing shroud 11 is provided with external screw thread, and flame proof chamber 8 is provided with the screwed hole that matches with sealing shroud 11.Preferably, to be provided with pitch be that 1 millimeter, middle footpath are 14 millimeters external screw thread to sealing shroud 11.Like this, only need in the flame proof chamber, to reserve screwed hole and the assembly space of M14, just can use explosion protection lead wire connector of the present invention easily, its versatility, compatible strong.Certainly, realize that the mode that sealing shroud 11 and flame proof chamber 8 removably are tightly connected is not limited thereto, can adopt the known various mode that is tightly connected, for example adopt that seal washer seals the connection between them etc.
As shown in Figure 8, explosion protection lamp of the present invention comprises the flame proof chamber 8 and light source 82 that is surrounded by housing 81.Light source 82 is arranged in the flame proof chamber 8.Housing 81 comprises procapsid and back casing.Wherein, light source 82 is through 5 power supplies of flame proof chamber interior lead-in wire.Explosion protection lamp also comprises two above-mentioned explosion protection lead wire connectors.Certainly, the invention is not restricted to this, one or more explosion protection lead wire connectors can be set as required.
As shown in Figure 8, this explosion protection lamp comprises two explosion protection lead wire connectors that laterally arrange.For preventing explosion protection lead wire connector 1 rotation, cause screw 2 to become flexible and cause and connect instability, be provided with locking plate 7 between these two explosion protection lead wire connectors.Fig. 4 to Fig. 7 has shown two kinds of locking plates of explosion protection lamp.
Exactly, like Fig. 4 and shown in Figure 5, locking plate 7 comprises holding section 71 and installing hole 72.Locking plate 7 is fixed on the housing 81 of explosion protection lamp through installing hole 72.On the other hand, be respectively arranged with the seam 111 that engages with locking plate 7 on the sealing shroud 11 of two explosion protection lead wire connectors.As shown in Figures 2 and 3, seam 111 forms through on sealing shroud 11, cutting arch section.Holding section 71 engages with seam 111 each other, thereby prevents that explosion protection lead wire connector from rotating.Like Fig. 6 and shown in Figure 7, locking plate 7 comprises holding section 73 and installing hole 74.Locking plate 7 is fixed on the housing 81 of explosion protection lamp through installing hole 74.Holding section 73 engages with seam 111 each other, thereby prevents that explosion protection lead wire connector from rotating.The structure of these two kinds of locking plates is similar.Know that easily locking plate can be selected for use multi-form according to required situation, if can limit explosion protection lead wire connector cause with screw turns be connected unstable.
Although this paper has described many embodiment, those skilled in the art will appreciate that and under the situation that does not break away from the spirit that is defined by the following claims and scope thereof, to make other modification or change.Protection scope of the present invention should accompanying claims be confirmed.
Claims (10)
1. an explosion protection lead wire connector is used to be electrically connected flame proof chamber interior lead-in wire and flame proof outside lead-in wire, it is characterized in that, comprising:
Conductive pole, the two ends of said conductive pole have leading-in end and the exit that is electrically connected with flame proof chamber interior lead-in wire and flame proof outside lead-in wire respectively; With
Sealing shroud, said sealing shroud and flame proof chamber removably are tightly connected,
Said conductive pole passes said sealing shroud from the flame proof chamber interior,
Be provided with insulating barrier between said conductive pole and the said sealing shroud.
2. explosion protection lead wire connector according to claim 1; It is characterized in that; Said leading-in end and said exit are equipped with screw hole; Said flame proof chamber interior lead-in wire and flame proof outside lead-in wire have lug plate respectively, and the lug plate of said flame proof chamber interior lead-in wire and flame proof outside lead-in wire is fastened on said leading-in end and the said exit through screw respectively.
3. explosion protection lead wire connector according to claim 2 is characterized in that, is provided with pad between said leading-in end, said exit and the screw.
4. explosion protection lead wire connector according to claim 1 is characterized in that, said conductive pole and said sealing shroud are the brass workpiece.
5. explosion protection lead wire connector according to claim 1 is characterized in that, said insulating barrier is the polyphenylene sulfide layer.
6. explosion protection lead wire connector according to claim 1 is characterized in that said sealing shroud is provided with external screw thread, and said flame proof chamber is provided with the screwed hole that matches with said sealing shroud.
7. explosion protection lead wire connector according to claim 1 is characterized in that, it is that 1 millimeter, middle footpath are 14 millimeters external screw thread that said sealing shroud is provided with pitch.
8. an explosion protection lamp comprises the flame proof chamber and the light source that are surrounded by housing, and it is indoor that said light source is arranged on flame proof, it is characterized in that, said explosion protection lamp also comprises each described explosion protection lead wire connector at least one claim 1 to 7.
9. explosion protection lamp according to claim 8; It is characterized in that; Said explosion protection lamp comprises two explosion protection lead wire connectors that are arranged side by side; Be provided with locking plate between said two explosion protection lead wire connectors, said locking plate is fixed on the said housing, is respectively arranged with the seam that engages with said locking plate on the sealing shroud of said two explosion protection lead wire connectors.
10. explosion protection lamp according to claim 9 is characterized in that, said seam forms through on said sealing shroud, cutting arch section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010105378XA CN101761902B (en) | 2010-01-29 | 2010-01-29 | Explosion protection lead wire connector and explosion protection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010105378XA CN101761902B (en) | 2010-01-29 | 2010-01-29 | Explosion protection lead wire connector and explosion protection lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101761902A CN101761902A (en) | 2010-06-30 |
| CN101761902B true CN101761902B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010105378XA Expired - Fee Related CN101761902B (en) | 2010-01-29 | 2010-01-29 | Explosion protection lead wire connector and explosion protection lamp |
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| Country | Link |
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| CN (1) | CN101761902B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5778476B2 (en) * | 2011-05-13 | 2015-09-16 | 日本特殊陶業株式会社 | Knocking sensor |
| CN104344378A (en) * | 2013-08-02 | 2015-02-11 | 深圳市海洋王照明工程有限公司 | Explosion-proof connector |
| CN104515077A (en) * | 2013-09-30 | 2015-04-15 | 深圳市海洋王照明工程有限公司 | Lamp |
| CN105305120B (en) * | 2014-06-30 | 2018-04-06 | 微动公司 | Cable erecting device and explosion-proof device for explosion-proof device |
| CN110131618A (en) * | 2019-04-19 | 2019-08-16 | 海洋王照明科技股份有限公司 | Mine explosion-suppression and intrinsic safety type tunnel lamp |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201134561Y (en) * | 2007-12-26 | 2008-10-15 | 李向达 | Plug connector of flame-proof type for mining |
| CN201232976Y (en) * | 2008-07-14 | 2009-05-06 | 程慎福 | Mining explosion suppression convenient-disassembling lamp body |
| CN101586750A (en) * | 2009-06-16 | 2009-11-25 | 华夏防爆电气有限公司 | Flameproof intrinsically safe LED illuminating lamp |
-
2010
- 2010-01-29 CN CN201010105378XA patent/CN101761902B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201134561Y (en) * | 2007-12-26 | 2008-10-15 | 李向达 | Plug connector of flame-proof type for mining |
| CN201232976Y (en) * | 2008-07-14 | 2009-05-06 | 程慎福 | Mining explosion suppression convenient-disassembling lamp body |
| CN101586750A (en) * | 2009-06-16 | 2009-11-25 | 华夏防爆电气有限公司 | Flameproof intrinsically safe LED illuminating lamp |
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| Publication number | Publication date |
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| CN101761902A (en) | 2010-06-30 |
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Granted publication date: 20120530 Termination date: 20190129 |