CN203908674U - Ultraviolet ray flame sensor housing - Google Patents
Ultraviolet ray flame sensor housing Download PDFInfo
- Publication number
- CN203908674U CN203908674U CN201420314554.4U CN201420314554U CN203908674U CN 203908674 U CN203908674 U CN 203908674U CN 201420314554 U CN201420314554 U CN 201420314554U CN 203908674 U CN203908674 U CN 203908674U
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- China
- Prior art keywords
- base
- flame sensor
- shell
- sensor housing
- ultraviolet flame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 239000011521 glass Substances 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 abstract description 16
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 239000003245 coal Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 3
- 239000010883 coal ash Substances 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007537 lampworking Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
Disclosed is a ultraviolet ray flame sensor housing. The housing belongs to the technical field of coal mine safety monitoring. The housing comprises an outer housing (1) and a window mechanism (7) that is disposed at the top of the outer housing (1) and facilitates monitoring of a sensor. The housing is characterized by comprising a base (2) in fit with the outer housing (1). The sensor and a circuit board are fixed to the base (2) and inside the outer housing (1). A cable in the circuit board is led out from the lower part of the base (2). In the ultraviolet ray flame sensor housing, the circuit board and an ultraviolet ray flame sensor are fixed to the base. When the circuit board and an ultraviolet ray flame sensor are in fault and need replacing, only the bolt for fixing the base and the outer housing is loosened to take out the base to replace the circuit board and the ultraviolet ray flame sensor. The outer housing does not need taking out from an extraction pipeline, and convenient maintenance and replacement are achieved. All the elements of the base and the outer housing are welded and separately integrated, so as to achieve good sealing performance, and ensure reliability of operation of inner circuits.
Description
Technical field
A ultraviolet flame sensor housing, belongs to coal mine safety monitoring technical field.
Background technology
Difference in China due to the geologic condition in each colliery, the gas bearing capacity of coal-seam gas (gas) is dynamic change, concentration changes between 0.5%-80%, and the explosive range that concentration has just entered gas while entering between 5%-16%, so just there is great hidden peril of explosion, once there be burning things which may cause a fire disaster, will cause a chain of blast, cause huge personnel, property loss
At present, generally by ultraviolet flame sensor is set in extraction pipeline, the flare up fire in pipeline is monitored, flame monitoring can be effectively carried out in the ultraviolet ray that ultraviolet flame sensor tip is sent during to gas explosion.Ultraviolet flame sensor is generally arranged in corresponding housing, then the front end of housing is stretched in extraction pipeline and is fixed, and is provided with form, so that ultraviolet flame sensor is monitored flare up fire at the front end of housing.But in methane gas extraction pipeline, environment is comparatively complicated, humidity is larger, the impurity such as while coal dust, coal ash are more, the housing of existing installation ultraviolet flame sensor is because sealing effectiveness is poor, the various impurity such as coal ash, coal dust incorporates and enters in housing very much, can cause pollution and the obstruction of form in housing on the one hand, reduce the sensitivity of sensor, various impurity and moisture can adhere in the circuit board after entering housing on the other hand, easily cause the fault of wiring board, affected whole radiating effect simultaneously.Meanwhile, in the prior art, ultraviolet flame sensor and wiring board are generally fixed in the housing that stretches into extraction pipeline, once break down, whole housing need to be taken out and change from extraction pipeline, for producing, bring very large inconvenience.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of good sealing effect is provided thereby can prevents that various impurity and moisture from entering, guaranteed the ultraviolet flame sensor housing of ultraviolet flame working sensor reliability.
The utility model solves the technical scheme that its technical matters adopts: this ultraviolet flame sensor housing, comprise shell and be arranged on the window mechanism that sensor is monitored of being convenient in cover top portion, it is characterized in that: be provided with and coordinate the base of installing with described shell, sensor and wiring board are fixed on base and are placed in shell, and the cable of wiring board is drawn from the below of base.
Preferably, described shell comprises the outer cover of tubular, the upper end cover and the shell flange being connected with shell bottom that are fixed on outer cover top, the center of upper end cover has step-like circular hole, and described window mechanism is fixed in the lower two-layer step circular hole of step-like circular hole.
Preferably, described window mechanism comprises: trip bolt, pressure ring, glass sheet and the second sealing gasket, the second sealing gasket and glass sheet are placed in the step of upper strata successively, pressure ring is arranged on glass sheet below by its compression, pressure ring border has the through hole that a plurality of trip bolts can pass, and by trip bolt, pressure ring is fixed.
Preferably, at the place, outer ring of described pressure ring, be provided with O-ring seal.
Preferably, the lower surface at described shell flange is provided with annular boss.
Preferably, the cable locking mechanism that described base comprises base flange and is fixed on base flange below, the center of base flange has the through wires hole of drawing for cable, at the upper surface of base flange, is provided with a plurality of fixed legs for fixing circuit board and sensor.
Preferably, the upper surface at described base flange has an annular groove.
Preferably, between described shell and base, be provided with the first sealing gasket that plays sealing function.
Compared with prior art, the beneficial effect that the utility model has is:
1, in this ultraviolet flame sensor housing, wiring board and ultraviolet flame sensor are fixed on base, when wiring board and ultraviolet flame sensor break down need to change time, only the bolt of firm banking and shell need be unclamped, base is taken off replaceable, without shell is taken out from extraction pipeline, easy maintenance and replacement.
2, each parts of base and shell all adopt the mode of welding to become one separately, do not have gap, and good sealing effect has fundamentally been stopped the possibility that moisture in extraction pipeline and impurity enter shell, has guaranteed the reliability of internal circuit work.
3, by being set, window mechanism can facilitate ultraviolet flame sensor to monitor the ultraviolet signal in extraction pipeline, O-ring seal and the second sealing gasket are set in window mechanism, have prevented that moisture and the various impurity in extraction pipeline from entering shell from window mechanism simultaneously.
4, cable locking mechanism adopts waterproofing design, and when cable locking mechanism locks, its inner rubber ring compressive deformation that is used for sealing, by cable locking, plays moistureproof dustproof effect.
5, by shell flange and base flange, arrange respectively annular boss and and annular groove, facilitate when mounted the alignment of shell flange and base flange, play the effect of certain isolated dust simultaneously.
Accompanying drawing explanation
Fig. 1 is ultraviolet flame sensor housing general assembly drawing.
Fig. 2 is ultraviolet flame sensor shell upper cover structural representation.
Fig. 3 is ultraviolet flame sensor housing form cellular construction schematic diagram.
Fig. 4 is ultraviolet flame sensor housing understructure schematic diagram.
Wherein: 1, shell 2, base 3, shell flange 4, the first sealing gasket 5, base flange 6, upper end cover 7, window mechanism 8, outer cover 9, annular boss 10, O-ring seal 11, trip bolt 12, pressure ring 13, glass sheet 14, the second sealing gasket 15, annular groove 16, fixed leg 17, through wires hole 18, cable locking mechanism.
Embodiment
Fig. 1 ~ 4th, most preferred embodiment of the present utility model, is described further below in conjunction with 1 ~ 4 pair of the utility model of accompanying drawing.
As shown in Figure 1, a kind of ultraviolet flame sensor housing, comprises shell 1 and coordinates the base 2 of installing with shell 1.The bottom of shell 1 is fixed with shell flange 3, the top of base 2 is fixed with the base flange 5 coordinating with shell flange 3, after shell flange 3 aligns with base flange 5, by a plurality of bolts of outer ring, realize the fixing of shell 1 and base 2, between shell 1 and base 2, be provided with the first sealing gasket 4 that plays sealing function.
Ultraviolet flame sensor and wiring board are fixed in shell 1, draw, and lock by being arranged on the locking head of base 2 lower ends, to realize dust and moisture with the cable that the interior circuit part of shell 1 is connected from the below of base 2.When actual installation, the top of shell 1 is stretched in extraction pipeline, realizes the monitoring to ultraviolet signal with the fixing ultraviolet flame sensor afterwards of extraction pipeline by being arranged on the form at shell 1 top.
As shown in Figure 2, shell 1 comprises from top to bottom: upper end cover 6, outer cover 8 and shell flange 3.Upper end cover 6 is circular, and upper end cover 6 lower surface centers are two-layer step cutting pattern structure, utilizes the structure of two-layer step cutting pattern to be fixed with window mechanism 7.Outer cover 8 is and thick cylindric of upper end cover 6 grades that, in this ultraviolet flame sensor housing, the lower surface of the upper surface of outer cover 8 and upper end cover 6 is welded and fixed.Shell flange 3 lower surface same and outer cover 8 is welded and fixed, and the circular hole at center is identical with the internal diameter size of outer cover 8.Border is provided with a plurality of for carrying out the fixing fixed orifice of bolt, at the lower surface of shell flange 3, is provided with annular boss 9.Upper end cover 6 in shell 1, outer cover 8 and shell flange 3 adopt and are welded and fixed, and do not have gap, have fundamentally stopped the possibility that moisture in extraction pipeline and impurity enter shell 1.
As shown in Figure 3, the window mechanism 7 that is fixed on the upper end cover two-layer step cutting pattern structure of 6 lower surface place comprises O-ring seal 10, trip bolt 11, pressure ring 12, glass sheet 13 and the second sealing gasket 14.Glass sheet 13 is placed in the less place of topping bar of radius, top, is placed with the second sealing gasket 14 between glass sheet 13 and upper end cover 6 simultaneously; Pressure ring 12 is placed in the larger place of getting out of a predicament or an embarrassing situation of radius, below, and the diameter that the circle diameter at pressure ring 12 centers is less than glass sheet 13 drops out to prevent glass sheet 13.Pressure ring 12 borders have the through hole that a plurality of trip bolts 11 can pass, after pressure ring 12, glass sheet 13 and the second sealing gasket 14 have been placed, by trip bolt 11, pressure ring 12 is fixing.Between the inner ring of getting out of a predicament or an embarrassing situation of upper end cover 6 and the outer ring of pressure ring 12, be provided with O-ring seal 10 simultaneously.By being set, window mechanism 7 can facilitate ultraviolet flame sensor to monitor the ultraviolet signal in extraction pipeline, O-ring seal 10 and the second sealing gasket 14 are set in window mechanism, have prevented that moisture and the various impurity in extraction pipeline from entering shell 1 from window mechanism 7 simultaneously.
As shown in Figure 4, the cable locking mechanism 18 that base 2 comprises base flange 5 and is fixed on base flange 5 belows, has the through wires hole 17 of drawing for cable at the center of base flange 5, and cable locking mechanism 18 is welded and fixed with through wires hole 17 is concentric.Upper surface at base flange 5 has the annular groove 15 coordinating with above-mentioned annular boss 9.At the inner ring of annular groove 15, the upper surface of base flange 5 is provided with a plurality of fixed legs 16 for fixing circuit board and ultraviolet flame sensor.
In this ultraviolet flame sensor housing, wiring board and ultraviolet flame sensor are fixed on base 2, when wiring board and ultraviolet flame sensor break down need to change time, only the bolt of firm banking 2 and shell 1 need be unclamped, base 2 is taken off replaceable, without shell 1 is taken out from extraction pipeline.Cable locking mechanism 18 adopts conventional waterproofing design simultaneously, and in the time of 18 locking of cable locking mechanism, its inner rubber ring compressive deformation that is used for sealing, by cable locking, plays moistureproof dustproof effect.By on shell flange 3 and base flange 5, arrange respectively annular boss 9 and with annular groove 15, facilitate when mounted the alignment of shell flange 3 and base flange 5, play the effect of certain isolated dust simultaneously.
This kind of ultraviolet flame sensor housing is equally applicable to fixedly mount the sensor of other types, as infrared ray flame sensor.
The above, it is only preferred embodiment of the present utility model, be not the utility model to be done to the restriction of other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (8)
1. a ultraviolet flame sensor housing, comprise shell (1) and be arranged on the window mechanism (7) that sensor is monitored of being convenient in shell (1) top, it is characterized in that: be provided with and coordinate the base (2) of installing with described shell (1), sensor and wiring board are fixed on base (2) and are placed in shell (1), and the cable of wiring board is drawn from the below of base (2).
2. ultraviolet flame sensor housing according to claim 1, it is characterized in that: described shell (1) comprises the outer cover (8) of tubular, be fixed on the upper end cover (6) and the shell flange (3) being connected with shell (1) bottom at outer cover (8) top, the center of upper end cover (6) has step-like circular hole, and described window mechanism (7) is fixed in the lower two-layer step circular hole of step-like circular hole.
3. ultraviolet flame sensor housing according to claim 1 and 2, it is characterized in that: described window mechanism (7) comprising: trip bolt (11), pressure ring (12), glass sheet (13) and the second sealing gasket (14), the second sealing gasket (14) and glass sheet (13) are placed in the step of upper strata successively, pressure ring (12) is arranged on glass sheet (13) below by its compression, pressure ring (12) border has the through hole that a plurality of trip bolts (11) can pass, by trip bolt (11), pressure ring (12) is fixing.
4. ultraviolet flame sensor housing according to claim 3, is characterized in that: the place, outer ring at described pressure ring (12) is provided with O-ring seal (10).
5. ultraviolet flame sensor housing according to claim 2, is characterized in that: the lower surface at described shell flange (3) is provided with annular boss (9).
6. ultraviolet flame sensor housing according to claim 1, it is characterized in that: the cable locking mechanism (18) that described base (2) comprises base flange (5) and is fixed on base flange (5) below, the center of base flange (5) has the through wires hole (17) of drawing for cable, at the upper surface of base flange (5), is provided with a plurality of fixed legs for fixing circuit board and sensor (16).
7. ultraviolet flame sensor housing according to claim 6, is characterized in that: the upper surface at described base flange (5) has an annular groove (15).
8. ultraviolet flame sensor housing according to claim 1, is characterized in that: between described shell (1) and base (2), be provided with the first sealing gasket (4) that plays sealing function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314554.4U CN203908674U (en) | 2014-06-13 | 2014-06-13 | Ultraviolet ray flame sensor housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314554.4U CN203908674U (en) | 2014-06-13 | 2014-06-13 | Ultraviolet ray flame sensor housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908674U true CN203908674U (en) | 2014-10-29 |
Family
ID=51782937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420314554.4U Expired - Fee Related CN203908674U (en) | 2014-06-13 | 2014-06-13 | Ultraviolet ray flame sensor housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203908674U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105664400A (en) * | 2016-04-15 | 2016-06-15 | 中煤科工集团重庆研究院有限公司 | Fast and automatic carbon dioxide combustion and explosion suppression system |
| CN110084991A (en) * | 2018-01-25 | 2019-08-02 | (株)艾尔迪韩国 | Flame sensor |
| CN111084608A (en) * | 2018-10-23 | 2020-05-01 | 成都西达瑞电子科技有限公司 | Wireless sensor with good air permeability |
| CN114096104A (en) * | 2021-12-16 | 2022-02-25 | 贵州航天电子科技有限公司 | Small-size detecting device complete machine structure |
-
2014
- 2014-06-13 CN CN201420314554.4U patent/CN203908674U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105664400A (en) * | 2016-04-15 | 2016-06-15 | 中煤科工集团重庆研究院有限公司 | Fast and automatic carbon dioxide combustion and explosion suppression system |
| CN110084991A (en) * | 2018-01-25 | 2019-08-02 | (株)艾尔迪韩国 | Flame sensor |
| CN111084608A (en) * | 2018-10-23 | 2020-05-01 | 成都西达瑞电子科技有限公司 | Wireless sensor with good air permeability |
| CN114096104A (en) * | 2021-12-16 | 2022-02-25 | 贵州航天电子科技有限公司 | Small-size detecting device complete machine structure |
| CN114096104B (en) * | 2021-12-16 | 2023-09-22 | 贵州航天电子科技有限公司 | Whole machine structure of small-size detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG ANYI MINING EQUIPMENT CO., LTD. Free format text: FORMER NAME: ZIBO ANYI MINE EQUIPMENT TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 256400 No. 29 Li Da Road, Huantai County, Zibo, Shandong Patentee after: SHANDONG ANYI MINING EQUIPMENT CO.,LTD. Address before: 256400 No. 29 Li Da Road, Huantai County, Zibo, Shandong Patentee before: ZIBO ANYI MINE EQUIPMENT TECH CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 |