CN220795042U - Waterproof flame-proof oxygen monitoring devices - Google Patents
Waterproof flame-proof oxygen monitoring devices Download PDFInfo
- Publication number
- CN220795042U CN220795042U CN202322407142.7U CN202322407142U CN220795042U CN 220795042 U CN220795042 U CN 220795042U CN 202322407142 U CN202322407142 U CN 202322407142U CN 220795042 U CN220795042 U CN 220795042U
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- China
- Prior art keywords
- sensor
- waterproof
- monitoring device
- bin
- oxygen monitoring
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000001301 oxygen Substances 0.000 title claims abstract description 35
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 35
- 238000012806 monitoring device Methods 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 239000002245 particle Substances 0.000 claims abstract description 21
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 16
- 239000010935 stainless steel Substances 0.000 claims abstract description 16
- 238000004880 explosion Methods 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000008188 pellet Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 229910000619 316 stainless steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model relates to the field of electric power tunnel environment detection, and provides a waterproof and flameproof oxygen monitoring device which comprises a main shell for installing a control panel and a sensor bin for installing a sensor, wherein the main shell is in sealing connection with the sensor bin; the stainless steel sintered particle sheets are used for explosion protection; the control panel is connected with the sensor. The device disclosed by the utility model accurately works in a wider environment range without an additional compensation system, is not influenced by cross interference of other gases, is stable in work and long in service life, reduces the use cost, and ensures the stability and safety of operation.
Description
Technical Field
The utility model relates to the field of electric power tunnel environment detection, in particular to a waterproof flame-proof oxygen monitoring device.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
At present, an electrochemical sensor is generally adopted for concentration acquisition of an oxygen gas sensor in a cable tunnel, and the oxygen gas sensor is influenced by the environmental factors of interference gas, and has the advantages of poor stability, short service life (less than or equal to 2 years), high fault repair rate, difficult debugging and setting and high use cost.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides the waterproof flame-proof oxygen monitoring device which can accurately work in a wider environment range without an additional compensation system and is not influenced by cross interference of other gases.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a waterproof flame-proof oxygen monitoring device.
The waterproof explosion-proof oxygen monitoring device comprises a main shell for installing a control panel and a sensor bin for installing a sensor, wherein the main shell is in sealing connection with the sensor bin, one end of the sensor bin, which is far away from the main shell, is provided with a waterproof breathable film, a sintered particle compression ring and a stainless steel sintered particle sheet are arranged between the waterproof breathable film and the sensor, and the sintered particle compression ring is used for compressing the stainless steel sintered particle sheet; the stainless steel sintered particle sheets are used for explosion protection; the control panel is connected with the sensor.
Further, an upper cover is arranged above the main shell, and the upper cover and the main shell are sealed through a sealing gasket.
Furthermore, an explosion-proof glass bin is arranged on the upper cover, a display screen is arranged in the explosion-proof glass bin, and the display screen is connected with the control panel.
Further, a cable explosion-proof connector is further arranged on the side face of the main shell and used for locking a cable led into the main shell.
Further, a sealing gasket and a sealing gasket which are matched with each other are arranged at the joint of the cable explosion-proof joint and the main shell;
further, a sealing gasket and a sealing gasket which are matched with each other are arranged at the joint of the main shell and the sensor bin.
Further, the sensor adopts a fluorescent oxygen sensor.
Further, the main shell is also provided with a grounding stud.
Further, a sensor adapter plate is arranged in the sensor bin and used for installing a sensor.
Further, the sintered pellet compression ring is located between the sensor and the stainless steel sintered pellet sheet.
Compared with the prior art, the utility model has the beneficial effects that:
the device disclosed by the utility model accurately works in a wider environment range without an additional compensation system, is not influenced by cross interference of other gases, is stable in work and long in service life, reduces the use cost, and ensures the stability and safety of operation.
The fluorescent oxygen sensor adopting the fluorescent quenching principle has the advantages of stable operation, long service life and air pressure and temperature compensation, so that the sensor can accurately work in a wider environment range without an additional compensation system and is not influenced by cross interference of other gases.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a front view of a waterproof flameproof oxygen monitoring device of the present utility model;
FIG. 2 is a front cross-sectional view of the waterproof flameproof oxygen monitoring device of the present utility model;
FIG. 3 is a side cross-sectional view of the waterproof flameproof oxygen monitoring device of the present utility model;
FIG. 4 is an exploded view of the waterproof and flameproof oxygen monitoring device of the present utility model;
FIG. 5 is a schematic diagram of a waterproof flame-proof oxygen monitoring device according to the present utility model;
wherein, 1, a main shell, 2, an upper cover, 3, an explosion-proof cable joint, 4, an explosion-proof glass bin, 5, a sensor bin, 6, a grounding stud, 7, a sealing gasket, 8, a sensor adapter plate, 9, a sensor, 10, a sintered particle compression ring, 11, a stainless steel sintered particle sheet, 12, a waterproof and breathable film, 13, a sealing gasket, 14, a display screen, 15, a panel, 16 and a control panel.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the present utility model, the terms such as "upper", "lower", "side", "bottom", and the like refer to the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely relational terms used for convenience in describing the structural relationships of the components or elements of the present utility model, and are not meant to designate any one of the components or elements of the present utility model, nor should they be construed as limiting the present utility model.
In the present utility model, terms such as "connected," "connected," and the like are to be construed broadly and mean either fixedly connected or integrally connected or detachably connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the present utility model can be determined according to circumstances by a person skilled in the relevant art or the art, and is not to be construed as limiting the present utility model.
Embodiments of the utility model and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1, 2, 3, 4 and 5, the present embodiment provides a waterproof and flameproof oxygen monitoring device, which includes: the sensor comprises a main shell 1 for installing a control board 16 and a sensor bin 5 for installing and protecting a sensor 9, wherein the main shell 1 is in sealing connection with the sensor bin 9, one end of the sensor bin 5, far away from the main shell 1, is open, and the control board 16 is connected with a sensor 7 and a remote controller. Wherein the control board 16 and the sensor 7 may be wired. The remote controller is used for realizing remote control of the control panel 16 and completing numerical calibration, alarm upper and lower limit function setting and the like. The control board 16 includes a processor for receiving and processing signals, and a controller for receiving control signals from the processor, controlling the controller, and executing control instructions. The sensor is connected with the processor, the sensor transmits the acquired oxygen data to the processor, the processor processes the oxygen data to obtain oxygen parameter information, and the oxygen parameter information is remotely sent to the mobile terminal or the monitoring terminal.
Wherein, main casing 1 top is equipped with upper cover 2, and upper cover 2 passes through the screw thread fastening with main casing 1, cooperates the sealing washer to seal the casing.
Specifically, the main housing 1 is entirely made of cast aluminum, and provides protection for the control board.
The control panel 16 and the sensor 9 are arranged in different explosion-proof housings, so that after one explosion, the influence of the explosion on the other explosion can be reduced, and the safety is improved.
The upper cover 2 is provided with an explosion-proof glass bin 4, a display screen 14 is arranged in the explosion-proof glass bin 4, the display screen 14 is connected with a control panel 16, wherein the explosion-proof glass bin 4 is used as an observation window, workers observe the internal display screen 14, and the explosion-proof glass bin has an explosion-proof function. And a display 14 for displaying the oxygen value and the alarm information. A panel is also provided above the control panel 16 for covering the control panel 16.
The side surface of the main shell 1 is also provided with a cable explosion-proof joint 3, and one end of the cable explosion-proof joint 3 is used for locking a cable led into the main shell 1 to play a role in sealing and explosion isolation; the other end of the cable explosion-proof joint 3 is connected with a collector.
The joint of the cable explosion-proof joint 3 and the main shell 1 is provided with a sealing gasket 7 and a sealing gasket 13 which are matched with each other; the joint of the main shell 1 and the sensor bin 5 is provided with a sealing gasket 7 and a sealing gasket 13 which are matched with each other. The sealing gasket 13 is used for sealing threads, is matched with the sealing gasket for use, and can be used for sealing a gap between the cable explosion-proof joint 3 and the main shell 1 and a gap between the main shell 1 and the sensor bin 5.
The sensor 9 is a fluorescent oxygen sensor, which is based on the principle of fluorescence quenching, and can be used for monitoring the concentration of oxygen, and furthermore, a fluorescent oxygen sensor, such as a british SST fluorescent oxygen sensor (O2 sensor) -LOX-02-F, is merely illustrative, and the utility model is not limited to this type of sensor.
The main housing 1 is further provided with a grounding stud 6 for providing reliable grounding protection for the main housing 1.
A sensor adapter plate 8 is arranged in the sensor bin 5 and is used for installing a sensor.
The opening is provided with a waterproof and breathable film 12 for preventing external water drops from entering the sensor bin 5 and ensuring a breathable state.
A sintered particle pressing ring 10 and a stainless steel sintered particle sheet 11 are arranged between the waterproof breathable film 12 and the sensor 9, and the sintered particle pressing ring 10 is used for pressing the stainless steel sintered particle sheet 11; the stainless steel sintered particle sheet 11 is used for explosion prevention of the shell and exchanging with the outside air; and a sintered pellet compression ring 10 is located between the sensor 9 and the stainless steel sintered pellet sheet 11.
The sensor bin 5 is communicated with the outside, and explosion isolation, waterproof sealing of the bin body are ensured through the stainless steel sintered particle sheets 11 and the waterproof breathable film. The sensor bin 5 adopts a die-casting aluminum shell, the stainless steel sintered particle sheet 11 adopts a 316 stainless steel sintered filter sheet, the explosion-proof cable joint realizes explosion-proof design, and prevents rust in severe environments such as a power tunnel, and the protection grade is IP68. The sensor bin 5 adopts an 8mm explosion-proof glass observation window, and the explosion-proof glass is fixed in a manner of sealing glue pressurizing rings, so that the tightness and the compression strength are ensured.
The utility model adopts the isolation of the sensor 9 and the control panel 16, and the sensor 9 can be independently calibrated and replaced without affecting the sealing protection of the control panel end.
The utility model adopts infrared remote control to calibrate and set, thus realizing the design of not uncovering the cover in the whole service life period of the product.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The waterproof and flameproof oxygen monitoring device is characterized by comprising a main shell for installing a control panel and a sensor bin for installing a sensor, wherein the main shell is in sealing connection with the sensor bin, one end of the sensor bin, which is far away from the main shell, is provided with a waterproof and breathable film, and a sintered particle compression ring and a stainless steel sintered particle sheet are arranged between the waterproof and breathable film and the sensor and are used for compressing the stainless steel sintered particle sheet; the stainless steel sintered particle sheets are used for explosion protection; the control panel is connected with the sensor.
2. The waterproof and flameproof oxygen monitoring device according to claim 1, wherein an upper cover is arranged above the main shell, and the upper cover and the main shell are sealed through a sealing gasket.
3. The waterproof flame-proof oxygen monitoring device according to claim 2, wherein the upper cover is provided with an explosion-proof glass bin, a display screen is installed in the explosion-proof glass bin, and the display screen is connected with the control panel.
4. The waterproof flameproof oxygen monitoring device according to claim 1, wherein a cable explosion-proof joint is further provided on a side surface of the main housing, and the cable explosion-proof joint is used for locking a cable introduced into the main housing.
5. The waterproof and flameproof oxygen monitoring device according to claim 4, wherein a sealing washer and a sealing gasket which are matched with each other are arranged at the joint of the cable explosion-proof joint and the main shell.
6. The waterproof and flameproof oxygen monitoring device according to claim 1, wherein a sealing gasket and a sealing gasket which are matched with each other are arranged at the joint of the main shell and the sensor bin.
7. The waterproof and flameproof oxygen monitoring device according to claim 1, wherein the sensor is a fluorescent oxygen sensor.
8. The waterproof and flameproof oxygen monitoring device according to claim 1, wherein the main housing is further provided with a grounding stud.
9. The waterproof and flameproof oxygen monitoring device according to claim 1, wherein a sensor adapter plate is arranged in the sensor bin and used for installing a sensor.
10. The waterproof flameproof oxygen monitoring device of claim 1, wherein a sintered particle pressure ring is located between the sensor and the stainless steel sintered particle sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322407142.7U CN220795042U (en) | 2023-09-05 | 2023-09-05 | Waterproof flame-proof oxygen monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322407142.7U CN220795042U (en) | 2023-09-05 | 2023-09-05 | Waterproof flame-proof oxygen monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220795042U true CN220795042U (en) | 2024-04-16 |
Family
ID=90634338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322407142.7U Active CN220795042U (en) | 2023-09-05 | 2023-09-05 | Waterproof flame-proof oxygen monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220795042U (en) |
-
2023
- 2023-09-05 CN CN202322407142.7U patent/CN220795042U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |