CN103105992A - Anti-explosion touch screen - Google Patents
Anti-explosion touch screen Download PDFInfo
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- CN103105992A CN103105992A CN2012104496666A CN201210449666A CN103105992A CN 103105992 A CN103105992 A CN 103105992A CN 2012104496666 A CN2012104496666 A CN 2012104496666A CN 201210449666 A CN201210449666 A CN 201210449666A CN 103105992 A CN103105992 A CN 103105992A
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Abstract
The invention belongs to the field of anti-explosion electrical facilities. The anti-explosion touch screen comprises a box body [11], a box cover [2], a resistance touch screen [4], a touch screen control plate [7], window glass [5], wherein the box body [11] and the box cover [2] are fastened to form a sealing space. A hole larger than the resistance touch screen is formed in the box cover welded with a fixing column which is matched with a screw to fix a window pressure plate and to press a window rubber mat and the window glass on the box cover. The window glass and the fixing column are sealed by epoxy resin glue. The resistance touch screen is stuck on the window glass. The anti-explosion touch screen is characterized by further comprising a polyvinyl chloride (PVC) film [3] covered on the resistance touch screen [4] and guard grating [19] fixed on the inner side of the box body, an audio speaker device [27] welded inside the box body, and fire net [16] arranged inside the audio speaker device [27].
Description
Technical field
The invention belongs to flame-proof type explosion-proof electrical equipment field, be specifically related to a kind of be 1st district, 2nd district at explosive gas atmosphere, have II A, an II B level, the explosion-proof touch-screen that uses in the environment of T1～T6 group damp or vapour mixture.
Background technology
The explosion-proof electric apparatus that uses in the hazardous area of explosive gas atmosphere at present is more and more, particularly in 1st district, hazardous area and the gaseous environment place comparatively moist, dust in 2nd district; Need to carry out real-time parameter to field apparatus and set and operate, in time the fault of field apparatus be reported to the police, thereby touch-screen need to be set.
The mining touch-screen produced of Xuzhou Bao Di Electric Applicance Co., Ltd design for example, the intrinsic safety case of mainly comprise Flameproof box, installing together with Flameproof box, be arranged on the touch layer of Flameproof box outside, have form on the intrinsic safety case, be adjacent on form and with the film of form sealing being equipped with on form, it is inboard that touch layer is arranged in the intrinsic safety case film.Film adopts has antistatic, anti-flaming function film, is the film that finger pressure can be out of shape, so that finger touch can contact touch layer, the pressure that touches is produced electric signal on touch layer, and electric signal is delivered in main frame by electric wire.This product can only be applied under mine and coal mine, can not be applied in more common some other hazardous locations, and be to be arranged on anti-explosion box body.Its shortcoming is: lack fire prevention, explosion-protection equipment, lack the monitoring of equipment and human-computer interaction device, be afraid of moist.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of explosion-proof touch-screen is provided.
The object of the present invention is achieved like this:
explosion-proof touch-screen is characterized in that, comprises casing [11], case lid [2], electric resistance touch screen [4], touch-screen control panel [7], sight glass [5], wherein, casing [11] tightens together with case lid [2] and forms the space of sealing, have the hole larger than electric resistance touch screen on case lid, be welded with fixed leg on case lid, with screw fit, the form pressing plate is fixed, simultaneously form rubber cushion and sight glass are pressed on case lid, and the epoxide-resin glue rubber seal is arranged all between sight glass and fixed leg, electric resistance touch screen is adhesive on sight glass, it is characterized in that: also comprise the PVC film [3] that covers electric resistance touch screen [4] lateral surface, be fixed in the safety barrier [19] of box inside, the audio frequency that is welded on box house is put device [27] outward, be arranged on audio frequency and put the inner back-fire relief net sheet [16] of device [27] outward.
Compared with prior art, the present invention is put device outward by audio frequency and is convenient to the sound-producing device that resistive touch screen and control panel thereof carry alarm sound is spread out of outside casing, is convenient to the expansion of sound; By back-fire relief net sheet, can prevent from directly being discharged in the hazardous area with the gas of spark; By safety barrier, can limit the energy that flows in the hazardous area, thereby increase security; Adopt the PVC film, can reach effect fire-retardant, moistureproof, waterproof, touch-screen control panel and touch-screen are to be used in conjunction with together to carry out setting parameter and operation to field apparatus in real time.
Description of drawings
Fig. 1 is structural representation front view of the present invention; In figure: 1 hexagon socket cap head screw, 2 case lids, 3 PVC films, 9 form rubber cushions, 24 protective covers, 25 hinges, 26 suspension members.
Fig. 2 is structural representation side view of the present invention; In figure: 1 hexagon socket cap head screw, 2 case lids, 3 PVC films, 4 electric resistance touch screens, 5 sight glass, 6 Cross Recess Head Screws, 7 touch-screen control panels, 8 form pressing plates, 9 form rubber cushions, 10 Cross Recess Head Screws, 11 casings, 12 O-ring seals, 13 M20 gland nuts, 14 M20 pads, 15 fire retarding sheet gland nuts, 16 back-fire relief net sheets, 17 safety barrier pressing plates, 18 hexagonal nuts, 19 safety barriers, 24 protective covers, 27 audio frequency are put device outward.
Fig. 3 is structural representation vertical view of the present invention, in figure: 1 hexagon socket cap head screw, 2 case lids, 20 explosion-proof screw plugs, 21 nameplates, 22 hexagonal nuts-C level, 23 ground connection label 24 protective covers, 26 suspension members.
Fig. 4 is that audio frequency is put device outward and is arranged on schematic diagram on casing, in figure: 16 back-fire relief net sheets, 15 fire retarding sheets compress female, and 27 audio frequency are put device outward, 11 casings.
Embodiment
With reference to the accompanying drawings, the invention will be further described:
referring to accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4: explosion-proof touch-screen, it is characterized in that, comprise casing [11], case lid [2], electric resistance touch screen [4], touch-screen control panel [7], sight glass [5], wherein, casing [11] tightens together with case lid [2] and forms the space of sealing, have the hole larger than electric resistance touch screen on case lid, be welded with fixed leg on case lid, with screw fit, the form pressing plate is fixed, simultaneously form rubber cushion and sight glass are pressed on case lid, and the epoxide-resin glue rubber seal is arranged all between sight glass and fixed leg, electric resistance touch screen is adhesive on sight glass, it is characterized in that: also comprise the PVC film [3] that covers electric resistance touch screen [4] lateral surface, be fixed in the safety barrier [19] of box inside, the audio frequency that is welded on box house is put device [27] outward, be arranged on audio frequency and put the inner back-fire relief net sheet [16] of device [27] outward.
Described back-fire relief net sheet [16] is pressed on by fire retarding sheet gland nut [15] audio frequency that is welded on casing [11] and puts outward in device [27], and with double-screw bolt epoxide-resin glue rubber seal.
Described safety barrier [19] is fixed by safety barrier pressing plate [17] and casing, and described safety barrier pressing plate [17] is provided with for fixing nut [18].Described safety barrier model is Nanyang remittance peace S2000 series zena's safety barrier.But the safety barrier of other producers meets also can using of explosion-proof criteria.
Described touch-screen is the step MT5020T4 of section thread industrial electric resistance touch screen.Also can use if the touch-screen of other producer is eligible.
Described form pressing plate [8], form rubber cushion [9] and sight glass [5] three fit tightly, described form pressing plate [8] inboard is welded with the fixed leg that coordinates with the 3rd screw [6], and described touch-screen control panel [7] is fastened on form pressing plate [8] by the 3rd screw [6].
Described casing [11] is tightened together by 12 hexagon socket cap head screws [1] with case lid [2], each screw [1] is uniformly distributed in the joining place of casing [11] and case lid [2], components and parts to box house have certain protective action, and have groove and sealing joint strip is housed on case lid [2], thereby form explosion suppresion surface.
Described form pressing plate [8] and case lid [2] tighten together by the second screw [10].
Described case lid [2] and sight glass [5] faying face epoxide-resin glue rubber seal guarantee that this product has explosion-proof performance.
Described casing upside has wiring hole, wiring hole has three, one of them is standby outlet, join explosion-proof screw plug [20], two other adopts the sealing means of direct introducing device, requires to guarantee sealing during assembling closely, and cable requires to clamp, the phenomenon of being forbidden to get loose occurs, and guarantees that the degree of protection of this product can reach IP54.
Be fixed with protective cover [24] on described case lid [2], described protective cover is welded on case lid.
Described gland nut has through hole, is used for cable by then compressing, sealing, and O-ring seal [12], M20mm pad [14] are used in conjunction with M20mm gland nut [13].
Nameplate [21] is fixed on the casing side, is used for the important technological parameters of this casing of expression.
Hexagonal nut-C level [22] is arranged on the casing side, is used for ground connection.
Ground connection label [23] is attached to the casing side, near hexagonal nut-C level [22], is used for reminding user ground connection herein.
Suspension member [26] is welded on four jiaos of casing, is used for being fixed on support or on wall.
The present invention is used for 1st district, 2nd district of the explosive gas atmosphere of II B level and following, T1～T6 temperature, and operating ambient temperature is-20 ℃～+ 40 ℃, when relative humidity is not more than 90%(25 ℃), explosive-proof grade can reach ExdIIBT6, degree of protection IP54.
Claims (10)
1. explosion-proof touch-screen, is characterized in that, comprises casing [11], case lid [2], electric resistance touch screen [4], touch-screen control panel [7], sight glass [5], wherein, casing [11] tightens together with case lid [2] and forms the space of sealing, have the hole larger than electric resistance touch screen on case lid, be welded with fixed leg on case lid, with screw fit, the form pressing plate is fixed, simultaneously form rubber cushion and sight glass are pressed on case lid, and the epoxide-resin glue rubber seal is arranged all between sight glass and fixed leg, electric resistance touch screen is adhesive on sight glass, it is characterized in that: also comprise the PVC film [3] that covers electric resistance touch screen [4] lateral surface, be fixed in the safety barrier [19] of box inside, the audio frequency that is welded on box house is put device [27] outward, be arranged on audio frequency and put the inner back-fire relief net sheet [16] of device [27] outward.
2. explosion-proof touch-screen according to claim 1, is characterized in that, described back-fire relief net sheet [16] is pressed on by fire retarding sheet gland nut [15] audio frequency that is welded on casing [11] and puts outward in device [27], and with double-screw bolt epoxide-resin glue rubber seal.
3. explosion-proof touch-screen according to claim 1, is characterized in that, described safety barrier [19] is fixed by safety barrier pressing plate [17] and casing, and described safety barrier pressing plate [17] is provided with for fixing nut [18].
4. explosion-proof touch-screen according to claim 1, it is characterized in that, described form pressing plate [8], form rubber cushion [9] and sight glass [5] three fit tightly, described form pressing plate [8] inboard is welded with the fixed leg that coordinates with the 3rd screw [6], and described touch-screen control panel [7] is fastened on form pressing plate [8] by the 3rd screw [6].
5. explosion-proof touch-screen according to claim 1, it is characterized in that, described casing [11] is tightened together by 12 hexagon socket cap head screws [1] with case lid [2], each screw [1] is uniformly distributed in the joining place of casing [11] and case lid [2], components and parts to box house have certain protective action, and have groove and sealing joint strip is housed on case lid [2].
6. explosion-proof touch-screen according to claim 1, is characterized in that, described form pressing plate [8] and case lid [2] tighten together by the second screw [10].
7. explosion-proof touch-screen according to claim 1, is characterized in that, described case lid [2] and sight glass [5] faying face epoxide-resin glue rubber seal.
8. explosion-proof touch-screen according to claim 1, is characterized in that, described casing upside has wiring hole, and wiring hole has three, and one of them is standby outlet, joins explosion-proof screw plug [20].
9. explosion-proof touch-screen according to claim 1, is characterized in that, is fixed with protective cover [24] on described case lid [2], and described protective cover is welded on case lid.
10. explosion-proof touch-screen according to claim 1, is characterized in that, described gland nut has through hole, is used for cable by then compressing, sealing, and O-ring seal [12], M20 pad [14] are used in conjunction with M20 gland nut [13].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104496666A CN103105992A (en) | 2012-11-12 | 2012-11-12 | Anti-explosion touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104496666A CN103105992A (en) | 2012-11-12 | 2012-11-12 | Anti-explosion touch screen |
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| CN103105992A true CN103105992A (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104496666A Pending CN103105992A (en) | 2012-11-12 | 2012-11-12 | Anti-explosion touch screen |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616038A (en) * | 2013-12-19 | 2014-03-05 | 无锡格林通安全装备有限公司 | Anti-explosion sensor module |
| CN104461125A (en) * | 2014-11-12 | 2015-03-25 | 宁夏嘉翔自控技术有限公司 | Cable marker welding method of explosion-proof touch screen formed by restructuring common touch screen |
| CN105283010A (en) * | 2015-11-20 | 2016-01-27 | 安徽瑞沃电子科技有限公司 | Rainproof device for touch screen |
| CN108052241A (en) * | 2018-02-09 | 2018-05-18 | 武汉凯博珐生化智能科技有限公司 | The explosion-proof man-machine interface of industry |
| CN108793730A (en) * | 2018-05-15 | 2018-11-13 | 安徽亿普特集团有限公司 | A kind of container cabinet technology for making glass |
| CN112393733A (en) * | 2019-07-31 | 2021-02-23 | 深圳壹赛联防爆智能科技有限公司 | Explosion-proof intelligent navigation system |
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| CN201813628U (en) * | 2010-09-21 | 2011-04-27 | 江苏新力科技实业有限公司 | Mine explosion-proof and intrinsically safe control box |
| CN202939589U (en) * | 2012-11-12 | 2013-05-15 | 天津市隆电电气工程有限公司 | Explosion-proof touch screen |
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2012
- 2012-11-12 CN CN2012104496666A patent/CN103105992A/en active Pending
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| CN201041624Y (en) * | 2007-03-14 | 2008-03-26 | 颜泰平 | Explosion separated and local safety touch screen computer power control case for mine |
| CN201638315U (en) * | 2009-10-09 | 2010-11-17 | 无锡格林通安全装备有限公司 | Explosion-proof audible and visual alarm |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616038A (en) * | 2013-12-19 | 2014-03-05 | 无锡格林通安全装备有限公司 | Anti-explosion sensor module |
| CN103616038B (en) * | 2013-12-19 | 2015-11-11 | 无锡格林通安全装备有限公司 | A kind of anti-explosion sensor module |
| CN104461125A (en) * | 2014-11-12 | 2015-03-25 | 宁夏嘉翔自控技术有限公司 | Cable marker welding method of explosion-proof touch screen formed by restructuring common touch screen |
| CN105283010A (en) * | 2015-11-20 | 2016-01-27 | 安徽瑞沃电子科技有限公司 | Rainproof device for touch screen |
| CN108052241A (en) * | 2018-02-09 | 2018-05-18 | 武汉凯博珐生化智能科技有限公司 | The explosion-proof man-machine interface of industry |
| CN108052241B (en) * | 2018-02-09 | 2023-11-10 | 武汉凯博珐生化智能科技有限公司 | Industrial explosion-proof man-machine interface |
| CN108793730A (en) * | 2018-05-15 | 2018-11-13 | 安徽亿普特集团有限公司 | A kind of container cabinet technology for making glass |
| CN112393733A (en) * | 2019-07-31 | 2021-02-23 | 深圳壹赛联防爆智能科技有限公司 | Explosion-proof intelligent navigation system |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130515 |
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| WD01 | Invention patent application deemed withdrawn after publication |