CN102903551A - Explosion-proof box with explosion-proof type button switch - Google Patents
Explosion-proof box with explosion-proof type button switch Download PDFInfo
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- CN102903551A CN102903551A CN2011104607626A CN201110460762A CN102903551A CN 102903551 A CN102903551 A CN 102903551A CN 2011104607626 A CN2011104607626 A CN 2011104607626A CN 201110460762 A CN201110460762 A CN 201110460762A CN 102903551 A CN102903551 A CN 102903551A
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- permanent magnets
- fairlead
- button switch
- explosion
- proof type
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Abstract
The invention provides an explosion-proof box with an explosion-proof type button switch, comprising an explosion-proof shell, wherein the explosion-proof shell is provided with more than one explosion-proof type button switch; each explosion-proof type button switch comprises a shell made of stainless steel; each shell is internally provided with a Hall element; each shell is adhered to the inner wall of the explosion-proof shell; a permanent magnet guide sleeve is arranged at the part of the outer surface of the explosion-proof shell, corresponding to each shell; each permanent magnet guide sleeve is internally provided with a permanent magnet which in a clearance fit with the permanent magnet guide sleeve; when each permanent magnet moves to the lower part of the corresponding permanent magnet guide sleeve, the distance between the bottom end of the permanent magnet and the top of a magnetic field induction element is less than 13 mm; and when each permanent magnet moves to the upper part of the corresponding permanent magnet guide sleeve, the distance between the bottom end of the permanent magnet and the top of the magnetic field induction element is more than 16 mm. The explosion-proof box with the explosion-proof type button switch, which is provided by the invention, has the advantages of low construction cost, convenience in installation, long service life and high safety performance.
Description
Technical field
The present invention relates to a kind of Flameproof box with the flame-proof type push-button switch.
Background technology
The flame-proof type casing that uses under the existing coal mine is shell structure normally, when electric device operates in to housing, the push-button switch of the routine of using is all with joystick, this class push-button switch must get out at the shell of flame-proof type casing a through hole about diameter 30mm when mounted, via this through hole action bars is stretched out shell, and need to be according to the flameproof joint in national standard design processing joystick and hole, this composition surface belongs to curved surface, because national standard has strict demand to flameproof joint minimum clearance, thereby increased the flameproof enclosure difficulty of processing, cause flame-proof type casing processing cost higher, because the diameter in hole is larger, on limited surface area, too much button can not be set, and the continuous use along with equipment, flameproof joint can produce wearing and tearing, and the gap is increased, and uses if having in the flammable damp hazardous environment in the down-hole, untimely discovery and processing, it is quick-fried also can to cause the flame-proof type casing to lose, and causes combustible gas explosion, and serious meeting destroys whole mine.
Summary of the invention
The object of the invention is to provide a kind of volume little, and cost is low, and is easy for installation, long service life, the Flameproof box with the flame-proof type push-button switch that security performance is higher.
Flameproof box with the flame-proof type push-button switch of the present invention, comprise flameproof enclosure, described flameproof enclosure is provided with more than one flame-proof type push-button switch, each flame-proof type push-button switch comprises respectively the housing that adopts stainless steel to make, be respectively equipped with Hall element in each housing, each Hall element adopts respectively poured with epoxy resin to be fixed in the corresponding housing, the positive source joint of each Hall element, power cathode joint and level out splice going splice outwards pass respectively sidewall or the bottom of corresponding housing, each housing is installed in respectively on the inwall of described flameproof enclosure, an end that is affixed with described flameproof enclosure in each housing is provided with the magnetic field induction element of Hall element, be provided with respectively a permanent magnets fairlead corresponding to each housing place on the outer surface of flameproof enclosure, adopt matched in clearance that permanent magnets is housed in each permanent magnets fairlead, be respectively equipped with stage clip between the bottom of each permanent magnets and permanent magnets fairlead, when permanent magnets moves to the bottom that is positioned at the permanent magnets fairlead, distance between the top of the bottom of permanent magnets and magnetic field induction element is less than 13mm, when permanent magnets moved to the top that is positioned at the permanent magnets fairlead, the distance between the top of the bottom of permanent magnets and magnetic field induction element was greater than 16mm.
Flameproof box with the flame-proof type push-button switch of the present invention, wherein the top of each described permanent magnets is fixed with respectively the gland that stainless steel is made, described stage clip is helical spring, and described permanent magnets is inserted into the middle part of stage clip, and the top of stage clip withstands on the edge of described gland.
Flameproof box with the flame-proof type push-button switch of the present invention, wherein the cross section of each described permanent magnets fairlead is circular, and the permanent magnets fairlead adopts stainless steel to make, and the cross section of each described permanent magnets is circular.
Flameproof box with the flame-proof type push-button switch of the present invention, wherein the cross section of each described permanent magnets fairlead is rectangle, and the permanent magnets fairlead adopts stainless steel to make, and the cross section of each described permanent magnets is rectangle.
Flameproof box with the flame-proof type push-button switch of the present invention, its flameproof enclosure is provided with more than one flame-proof type push-button switch, each flame-proof type push-button switch comprises respectively the housing that adopts stainless steel to make, be respectively equipped with Hall element in each housing, each Hall element adopts respectively poured with epoxy resin to be fixed in the corresponding housing, be provided with Hall element in the housing, Hall element adopts poured with epoxy resin to be fixed in the housing, the positive source joint of Hall element, power cathode joint and level out splice going splice outwards pass respectively sidewall or the bottom of housing, the magnetic field induction element of Hall element is positioned at the top of housing, the top of housing is provided with the permanent magnets fairlead, adopt matched in clearance that permanent magnets is housed in the permanent magnets fairlead, be provided with stage clip between the bottom of permanent magnets and permanent magnets fairlead, owing to be designed to split formula structure, thereby avoided perforate on the flameproof enclosure of Flameproof box, reduced cost, and the installation that makes push-button switch is more convenient and easy, also can more flame-proof type push-button switch be installed at less spatial area, because in use wearing and tearing is permanent magnets and permanent magnets fairlead, permanent magnets and permanent magnets fairlead are installed in the flameproof enclosure outside of Flameproof box, expose without any electric circuit, there is not any safety problem in the use, Hall element is installed in the flameproof enclosure inside of Flameproof box, it can not produce any spark in the course of the work, has guaranteed safe handling.Therefore, the Flameproof box with the flame-proof type push-button switch of the present invention has that volume is little, and cost is low, and is easy for installation, long service life, the characteristics that security performance is higher.
Other details of Flameproof box with the flame-proof type push-button switch of the present invention and characteristics can just can be cheer and bright by reading the embodiment that hereinafter encyclopaedizes by reference to the accompanying drawings.
Description of drawings
Fig. 1 is the structural representation of a kind of execution mode of the Flameproof box with the flame-proof type push-button switch of the present invention.
Embodiment
As shown in Figure 1, Flameproof box with the flame-proof type push-button switch of the present invention, comprise flameproof enclosure 10, flameproof enclosure 10 is provided with one or two or three or four or six or more flame-proof type push-button switches, each flame-proof type push-button switch comprises respectively the housing 1 that adopts stainless steel to make, be respectively equipped with Hall element 2 in each housing 1, each Hall element 2 adopts respectively epoxy resin 7 cast to be fixed in the corresponding housing 1, the positive source joint 3 of each Hall element 2, power cathode joint 4 and level out splice going splice 5 outwards pass respectively sidewall or the bottom of corresponding housing 1, each housing 1 is installed in respectively on the inwall of flameproof enclosure 10, an end that is affixed with flameproof enclosure 10 in each housing 1 is provided with the magnetic field induction element of Hall element 2, be provided with respectively a permanent magnets fairlead 6 corresponding to each housing 1 place on the outer surface of flameproof enclosure 10, adopt matched in clearance that permanent magnets 8 is housed in each permanent magnets fairlead 6, be respectively equipped with stage clip 9 between the bottom of each permanent magnets 8 and permanent magnets fairlead 6, when permanent magnets 8 moves to the bottom that is positioned at permanent magnets fairlead 6, distance between the top of the bottom of permanent magnets 8 and magnetic field induction element is less than 13mm, when permanent magnets 8 moved to the top that is positioned at permanent magnets fairlead 6, the distance between the top of the bottom of permanent magnets 8 and magnetic field induction element was greater than 16mm.
The top of above-mentioned each permanent magnets 8 is fixed with respectively the gland (not shown in FIG.) that stainless steel is made, and stage clip 9 is helical spring, and permanent magnets 8 is inserted into the middle part of stage clip 9, and the top of stage clip 9 withstands on the edge of gland.
The cross section of above-mentioned each permanent magnets fairlead 6 is circular, and permanent magnets fairlead 6 adopts stainless steel to make, and the cross section of permanent magnets 8 is circular.
The cross section of above-mentioned each permanent magnets fairlead 6 also can be rectangle, and the cross section of permanent magnets 8 also is corresponding rectangle.
Flameproof box with the flame-proof type push-button switch of the present invention in use, only need to be fixed on permanent magnets fairlead 6 on the flameproof enclosure 10 of the Flameproof box that stainless steel material makes according to the position of setting, at position holder housing 1 corresponding to the inboard of the flameproof enclosure 10 of Flameproof box and permanent magnets fairlead 6, then the positive pole of positive source joint 3 with the 24V power output end of Programmable Logic Controller (PLC) linked to each other, power cathode joint 4 is received on the negative pole of 24V power output end of Programmable Logic Controller (PLC), level out splice going splice 5 is received on Programmable Logic Controller (PLC) input terminal, behind the plugged, press permanent magnets 8 inwardly, permanent magnets 8 will compression press spring 9 and near the magnetic field induction element of Hall element 2, Hall element 2 will be to low level of Programmable Logic Controller (PLC) input or high level signal (according to the needs of PLC, select output high level or the low level housing 4 that Hall element 2 is housed), thus make Programmable Logic Controller (PLC) obtain outside manually operated instruction.
Flameproof box with the flame-proof type push-button switch of the present invention, owing to used split-type structural, thereby avoided perforate on the flameproof enclosure 10 of Flameproof box, button is installed more to save labour, and in use wearing and tearing is permanent magnets 8 and permanent magnets fairlead 6, permanent magnets 8 and permanent magnets fairlead 6 are installed in flameproof enclosure 10 outsides of Flameproof box, expose without any electric circuit, there is not any safety problem in the use, Hall element 2 is installed in flameproof enclosure 10 inside of Flameproof box, and himself can not produce any spark in the course of the work, has guaranteed safe handling.
Embodiment recited above is described preferred implementation of the present invention; be not that the scope of the invention is limited; design under the spiritual prerequisite not breaking away from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection range of claims of the present invention.
Claims (4)
1. with the Flameproof box of flame-proof type push-button switch, comprise flameproof enclosure (10), it is characterized in that described flameproof enclosure (10) is provided with more than one flame-proof type push-button switch, each flame-proof type push-button switch comprises respectively the housing (1) that adopts stainless steel to make, be respectively equipped with Hall element (2) in each housing (1), each Hall element (2) adopts respectively epoxy resin (7) cast to be fixed in the corresponding housing (1), the positive source joint (3) of each Hall element (2), power cathode joint (4) and level out splice going splice (5) outwards pass respectively sidewall or the bottom of corresponding housing (1), each housing (1) is installed in respectively on the inwall of described flameproof enclosure (10), an end that is affixed with described flameproof enclosure (10) in each housing (1) is provided with the magnetic field induction element of Hall element (2), locate to be provided with respectively a permanent magnets fairlead (6) corresponding to each housing (1) on the outer surface of flameproof enclosure (10), adopt matched in clearance that permanent magnets (8) is housed in each permanent magnets fairlead (6), be respectively equipped with stage clip (9) between the bottom of each permanent magnets (8) and permanent magnets fairlead (6), when permanent magnets (8) moves to the bottom that is positioned at permanent magnets fairlead (6), distance between the bottom of permanent magnets (8) and the top of magnetic field induction element is less than 13mm, when permanent magnets (8) moved to the top that is positioned at permanent magnets fairlead (6), the distance between the bottom of permanent magnets (8) and the top of magnetic field induction element was greater than 16mm.
2. the Flameproof box with the flame-proof type push-button switch according to claim 1, the top that it is characterized in that each described permanent magnets (8) is fixed with respectively the gland that stainless steel is made, described stage clip (9) is helical spring, described permanent magnets (8) is inserted into the middle part of stage clip (9), and the top of stage clip (9) withstands on the edge of described gland.
3. the Flameproof box with the flame-proof type push-button switch according to claim 1 and 2, it is characterized in that the cross section of each described permanent magnets fairlead (6) is for circular, permanent magnets fairlead (6) adopts stainless steel to make, and the cross section of each described permanent magnets (8) is circular.
4. the Flameproof box with the flame-proof type push-button switch according to claim 1 and 2, the cross section that it is characterized in that each described permanent magnets fairlead (6) is rectangle, permanent magnets fairlead (6) adopts stainless steel to make, and the cross section of each described permanent magnets (8) is rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104607626A CN102903551A (en) | 2011-12-28 | 2011-12-28 | Explosion-proof box with explosion-proof type button switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104607626A CN102903551A (en) | 2011-12-28 | 2011-12-28 | Explosion-proof box with explosion-proof type button switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102903551A true CN102903551A (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104607626A Pending CN102903551A (en) | 2011-12-28 | 2011-12-28 | Explosion-proof box with explosion-proof type button switch |
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| Country | Link |
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| CN (1) | CN102903551A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0523645A2 (en) * | 1991-07-16 | 1993-01-20 | EATON CONTROLS GmbH & Co. KG | Electrical switch |
| CN1114740A (en) * | 1994-07-08 | 1996-01-10 | 刘建明 | Miniature solid detonator |
| EP1022569A1 (en) * | 1999-01-19 | 2000-07-26 | FUGAS s.r.l. | A magnetically operated liquid flow detector and a hydraulic group incorporating the same |
| US6328752B1 (en) * | 1995-10-31 | 2001-12-11 | Smith & Nephew, Inc. | Method for positioning a surgical instrument relative to a surgical handpiece |
| CN101013020A (en) * | 2007-02-02 | 2007-08-08 | 赵增玉 | Mine using blasting machine |
| CN101043129A (en) * | 2006-03-23 | 2007-09-26 | 邹本武 | Explosion-proof electrical distribution box without operation hole |
| JP2007323859A (en) * | 2006-05-30 | 2007-12-13 | Toyo Denso Co Ltd | Joystick type switching device |
| US20090151463A1 (en) * | 2007-12-12 | 2009-06-18 | Recio Mario A | Non-contact pressure switch assembly |
| CN201514439U (en) * | 2009-10-20 | 2010-06-23 | 邱召运 | Differential Hall current sensor |
| CN202423042U (en) * | 2011-12-28 | 2012-09-05 | 龙口矿业集团有限公司 | Flame-isolating box with flame-isolating type button switches |
-
2011
- 2011-12-28 CN CN2011104607626A patent/CN102903551A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0523645A2 (en) * | 1991-07-16 | 1993-01-20 | EATON CONTROLS GmbH & Co. KG | Electrical switch |
| CN1114740A (en) * | 1994-07-08 | 1996-01-10 | 刘建明 | Miniature solid detonator |
| US6328752B1 (en) * | 1995-10-31 | 2001-12-11 | Smith & Nephew, Inc. | Method for positioning a surgical instrument relative to a surgical handpiece |
| EP1022569A1 (en) * | 1999-01-19 | 2000-07-26 | FUGAS s.r.l. | A magnetically operated liquid flow detector and a hydraulic group incorporating the same |
| CN101043129A (en) * | 2006-03-23 | 2007-09-26 | 邹本武 | Explosion-proof electrical distribution box without operation hole |
| JP2007323859A (en) * | 2006-05-30 | 2007-12-13 | Toyo Denso Co Ltd | Joystick type switching device |
| CN101013020A (en) * | 2007-02-02 | 2007-08-08 | 赵增玉 | Mine using blasting machine |
| US20090151463A1 (en) * | 2007-12-12 | 2009-06-18 | Recio Mario A | Non-contact pressure switch assembly |
| CN201514439U (en) * | 2009-10-20 | 2010-06-23 | 邱召运 | Differential Hall current sensor |
| CN202423042U (en) * | 2011-12-28 | 2012-09-05 | 龙口矿业集团有限公司 | Flame-isolating box with flame-isolating type button switches |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130130 |