CN201673437U - Composite sand-filling explosion-proof terminal - Google Patents
Composite sand-filling explosion-proof terminal Download PDFInfo
- Publication number
- CN201673437U CN201673437U CN2009202720618U CN200920272061U CN201673437U CN 201673437 U CN201673437 U CN 201673437U CN 2009202720618 U CN2009202720618 U CN 2009202720618U CN 200920272061 U CN200920272061 U CN 200920272061U CN 201673437 U CN201673437 U CN 201673437U
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Abstract
The utility model relates to a composite sand-filling anti-explosion terminal, which consists of an explosion-proof enclosure, a touch screen, a display screen, explosion-proof glass and quartz sand, wherein the explosion-proof enclosure consists of a front plane and a back hatch cover, an inner cavity is filled with the quartz sand, the front plane is provided with an inner slot, a screw hole and a through hole, the touch screen bonded with the explosion-proof glass is bonded on the inner slot, the display screen, and the touch screen drive board, a display screen drive board, a display screen backlight drive board, a power board, a single board computer and a display screen back board of a safety fence which are connected through conductors are fixed on the front plane, a circle of sealing strip is arranged in the gap between the inner slot edge of the front plane and the edge of the touch screen, and the hatch cover is provided with a mounting hole, a through hole, a heat-dissipation grid and a back support. The utility model has the characteristics of rational design, simple structure, light weigh, wide temperature range and highlighting, meets the national standards of explosion-proof products, and can be widely used in the indoor and outdoor scenes for storing explosion gas.
Description
Technical field
The utility model relates to a kind of compound explosion-proof terminating machine of sand that fills, and is a kind of terminating machine that is applicable to operation place (i.e. " I " district) use that has explosion gas in the petroleum and petrochemical sector, belongs to the on-the-spot explosion-proof terminal of using in the petroleum engineering.
Background technology
In the environment that may have damp, electric must be explosion-proof, especially the hazardous area that contains damp in existence such as petroleum prospecting and petrochemical industries, the regulation that meets national specific safety standard GB3836-2000 at the employed electric needs of these particular field, also to satisfy the reasonable structure identification, more will satisfy requirements such as impulse test, degree of protection test and electrical equipment strength test.At present,, mainly contain flame-proof type, positive pressure type, no-spark (N) type three classes, and all have different defectives their (comprising import equipment), restricting on-the-spot use at petroleum prospecting and a large amount of explosion-proof, the water proof type terminating machines that use of petrochemical industry operation field.Flame-proof type terminating machine heaviness, heat-sinking capability are poor; The positive pressure type terminating machine is harsh to the environment for use requirement, utility appliance is many and volume is big, floor area is bigger; And no-spark (N) type terminating machine can only use in " II " district, and the result is: having damp to exist the compound terminating machine that uses under the environment few, rare the seeing that can use for " I " district in the hazardous area.
Summary of the invention
It is a kind of reasonable in design, simple in structure, easy to use that the purpose of this utility model is to provide, and has light, wide temperature, highlighted characteristics, the outdoor terminals machine equipment that (" I " district) uses in the place that has explosion gas.Solve the deficiency of above-mentioned original technology, improve explosion-proof, meet national anti-explosion product standard-required, fill up the blank that does not have appropriate technology at present.
The technical scheme that the utility model is taked is: a kind of compound explosion-proof terminating machine of sand that fills, comprise explosion-resistant enclosure, touch-screen, display screen, single board computer, implosion guard, display backplane, sealing strip, after-poppet, breathe stifled, silica sand, power panel, safety barrier constitutes, it is characterized in that explosion-resistant enclosure is made of front panel and back hatchcover, the front panel periphery is provided with inside groove, screw hole and through hole, the touch-screen that is bonded with implosion guard is bonded on the inside groove, display screen and be fixed with the touch-screen drive plate, the display screen drive plate, the display backlight drive plate, power panel, single board computer, the display backplane of safety barrier is screwed in front on the plate, be provided with a circle sealing strip in the front panel in the slit at groove edge and touch-screen edge, rear deck covers and is provided with mounting hole, through hole, heat radiation grid and after-poppet, mounting hole is equipped with power lead, netting twine and breathing are stifled, through hole is used to install front panel, fills silica sand in the inner chamber after front panel and back hatchcover are fixing.
Described touch-screen and touch-screen drive plate, touch-screen drive plate and safety barrier, safety barrier and single board computer are connected with lead between single board computer and power panel and the display screen drive plate, display screen drive plate and display screen, display backlight drive plate and power panel.
The principle of work of filling the compound explosion-proof terminating machine of sand is: give each wiring board power supply by power panel 14, single board computer calculates, controls, and touch-screen, display screen are as people, the mutual media of machine.Fill the compound explosion-proof terminating machine pre-assembled operational of sand system, during use, connect with the mains, plug netting twine, promptly can start working.
The utility model safety, durable, environmental protection, low, the easy manufacturing of cost meets national anti-explosion product standard-required, can be widely used in existing the indoor and outdoor operation field of explosion gas.
Description of drawings
Fig. 1 is a structure assembling synoptic diagram of the present utility model;
Fig. 2 is a circuit block diagram of the present utility model;
Fig. 3 is the front panel front view;
Fig. 4 is a back hatchcover front view;
Fig. 5 is a cut-open view of the present utility model;
Among the figure: front panel 1, back hatchcover 2, touch-screen 3, implosion guard 4, display screen 5, display backplane 6, sealing strip 7, after-poppet 8, breathe stifled 9, silica sand 10, touch-screen drive plate 11, display screen drive plate 12, display backlight drive plate 13, power panel 14, single board computer 15, safety barrier 16.
Embodiment
Below in conjunction with accompanying drawing the utility model structure is given further instruction.
As shown in the figure, filling the compound explosion-proof terminating machine of sand is made up of four parts: explosion-resistant enclosure, touch display screen, display backplane and silica sand.
Explosion-resistant enclosure is made of front panel 1 and back hatchcover 2, and both relevant positions are provided with paired through hole, with screw both are fixed together.Explosion-resistant enclosure adopts the alloy material of anticorrosion aluminium or stainless steel 316L to make.
Sign, explosion-proof sign, explosion-proof sign are arranged on the outside surface of front panel 1; The outside surface of back hatchcover 2 has the heat radiation grid, is used for the heat radiation of terminating machine.On the back hatchcover 2 after-poppet 8 is installed also, terminating machine is uprightly used.
Touch display screen comprises touch-screen 3, implosion guard 4 and display screen 5; Implosion guard 4 usefulness foaming double faced adhesive tapes are bonded on the touch-screen 3, touch-screen 3 usefulness foaming double faced adhesive tapes are bonded in the inside groove of front panel 1 again; Encapsulant waters and is enclosed in the front panel 1 in the groove edge and touch-screen 3 outer peripheral slits, and the width of sealing strip 7 that makes formation is greater than the width in slit, with the shock resistance function and the safeguard function of reinforcement terminating machine.
Implosion guard 4 adopts the tempered glass that contains 70% crystal, overcomes reflection of light and refraction to greatest extent, and meets the requirement of impact experiment; Touch-screen 3 adopts 8 line formula electric resistance touch screens, and this screen is reviewed one's lessons by oneself the word function, with anti-misoperation and raising sensitivity.
After fixing touch-screen 3 and implosion guard 4, with display screen 5 usefulness legs and screw retention in front on the plate 1, and then will be fixed with touch-screen drive plate 11 with screw, display screen drive plate 12, display backlight drive plate 13, power panel 14, single board computer 15, the display backplane 6 of safety barrier 16 is fixed on the front panel 1, with lead with touch-screen 3 and touch-screen drive plate 11, touch-screen drive plate 11 and safety barrier 16, safety barrier 16 and single board computer 15, single board computer 15 and power panel 14 and display screen drive plate 12, display screen drive plate 12 and display screen 5, be connected firmly with lead between display backlight drive plate 13 and the power panel 14.
Circumscripted power line and external netting twine are inserted on the corresponding interface of power panel 14 and single board computer 15, and the other end passes the mounting hole of back hatchcover 2, is screwed into the gap of plug sealing external connection and mounting hole, fixes after will back hatchcover 2 penetrating screw with front panel 1.Except power lead and netting twine are installed, reserve standby a plurality of mounting holes on the back hatchcover 2, usefulness in order to needs, temporary transient no mounting hole is screwed into breathes stifled 9, the periphery of breathing stifled 9 is provided with a plurality of (the utility model is 25) small through hole, through-hole diameter is 0.23mm to 0.25mm, guarantees the air pressure equilibrium that terminating machine is inner with extraneous.
The mainboard that single board computer 15 adopts the wide temperature of technical grades, isolates power supply adopts essential safe type circuit connecting mode to guarantee the security of terminating machine with the signal of touch-screen.
It is on the vibratory equipment of 20G that the intact terminating machine of installation is placed oscillation frequency, with particle diameter 0.5mm to 0.9mm, and purity 〉=99.9%, humidity≤1% meets when applying 1000VDC voltage, and leakage current is less than 0.8 * 10
6The silica sand 10 that A requires pours into the inner chamber of terminating machine, Vibration on Start-up equipment, wait to make sand grains to be full of fully after, sealing is filled mouthful.
Claims (5)
1. one kind is filled the compound explosion-proof terminating machine of sand, by explosion-resistant enclosure, touch-screen (3), display screen (5), single board computer (15), implosion guard (4), display backplane (6), sealing strip (7), after-poppet (8), breathe stifled (9), silica sand (10), power panel (14), safety barrier (16) constitutes, it is characterized in that explosion-resistant enclosure is made of front panel (1) and back hatchcover (2), front panel (1) periphery is provided with inside groove, screw hole and through hole, the touch-screen (3) that is bonded with implosion guard (4) is bonded on the inside groove, display screen (5) and be fixed with touch-screen drive plate (11), display screen drive plate (12), display backlight drive plate (13), power panel (14), single board computer (15), the display backplane of safety barrier (16) is screwed in front on the plate (1), be provided with a circle sealing strip (7) in the slit at interior groove edge of front panel (1) and touch-screen (3) edge, rear deck covers (2) and is provided with mounting hole, through hole, heat radiation grid and after-poppet (8), mounting hole is equipped with power lead, netting twine and breathing stifled (9), with touch-screen (3) and touch-screen drive plate (11), touch-screen drive plate (11) and safety barrier (16), safety barrier (16) and single board computer (15), single board computer (15) and power panel (14) and display screen drive plate (12), display screen drive plate (12) and display screen (5), connect with lead between display backlight drive plate (13) and the power panel (14), be filled with silica sand (10) in the inner chamber after front panel (1) and back hatchcover (2) are fixing.
2. the compound explosion-proof terminating machine of sand that fills as claimed in claim 1 is characterized in that the relevant position of front panel (1) and back hatchcover (2) is provided with paired through hole, with screw both is fixed together.
3. the compound explosion-proof terminating machine of sand that fills as claimed in claim 1 is characterized in that described implosion guard (4) is bonded on the touch-screen (3) with the foaming double faced adhesive tape, is bonded in touch-screen (3) in the inside groove of front panel (1) with the foaming double faced adhesive tape again.
4. the compound explosion-proof terminating machine of sand that fills as claimed in claim 1 is characterized in that watering the envelope encapsulant in the interior groove edge of plate (1) and the outer peripheral slit of touch-screen (3) in front, and the width of sealing strip (7) that makes formation is greater than the width in slit.
5. the compound explosion-proof terminating machine of sand that fills as claimed in claim 1 is characterized in that the periphery of described breathing stifled (9) is provided with a plurality of small through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202720618U CN201673437U (en) | 2009-12-16 | 2009-12-16 | Composite sand-filling explosion-proof terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202720618U CN201673437U (en) | 2009-12-16 | 2009-12-16 | Composite sand-filling explosion-proof terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201673437U true CN201673437U (en) | 2010-12-15 |
Family
ID=43330847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202720618U Expired - Lifetime CN201673437U (en) | 2009-12-16 | 2009-12-16 | Composite sand-filling explosion-proof terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201673437U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105992A (en) * | 2012-11-12 | 2013-05-15 | 天津市隆电电气工程有限公司 | Anti-explosion touch screen |
| CN108761913A (en) * | 2018-05-31 | 2018-11-06 | 江苏聚泰科技有限公司 | A kind of sealing backlight module with excellent heat dispersion performance |
| CN109189183A (en) * | 2018-11-19 | 2019-01-11 | 南昌科悦企业管理咨询有限公司 | A kind of convenient assembling mainframe box |
| CN111965903A (en) * | 2020-07-31 | 2020-11-20 | 山西科达自控股份有限公司 | LED backlight source liquid crystal display encapsulation process |
-
2009
- 2009-12-16 CN CN2009202720618U patent/CN201673437U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105992A (en) * | 2012-11-12 | 2013-05-15 | 天津市隆电电气工程有限公司 | Anti-explosion touch screen |
| CN108761913A (en) * | 2018-05-31 | 2018-11-06 | 江苏聚泰科技有限公司 | A kind of sealing backlight module with excellent heat dispersion performance |
| CN108761913B (en) * | 2018-05-31 | 2024-04-26 | 江苏聚泰科技有限公司 | Sealed backlight module with good heat dissipation performance |
| CN109189183A (en) * | 2018-11-19 | 2019-01-11 | 南昌科悦企业管理咨询有限公司 | A kind of convenient assembling mainframe box |
| CN111965903A (en) * | 2020-07-31 | 2020-11-20 | 山西科达自控股份有限公司 | LED backlight source liquid crystal display encapsulation process |
| CN111965903B (en) * | 2020-07-31 | 2022-11-22 | 山西科达自控股份有限公司 | LED backlight source liquid crystal display encapsulation process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101215 |