CN203644185U - Portable natural gas detection and caution device - Google Patents
Portable natural gas detection and caution device Download PDFInfo
- Publication number
- CN203644185U CN203644185U CN201420012863.6U CN201420012863U CN203644185U CN 203644185 U CN203644185 U CN 203644185U CN 201420012863 U CN201420012863 U CN 201420012863U CN 203644185 U CN203644185 U CN 203644185U
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- circuit board
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- control circuit
- top cover
- square groove
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Abstract
The utility model belongs to the petroleum and petrochemical safety device field and especially relates to a portable natural gas detection and caution device. The device comprises a control circuit board, a power supply module, a sensor module and a light emitting diode. The device can automatically detect methane concentration, hydrogen sulfide concentration and a current temperature. If the two gas contents exceed a standard, the light emitting diode is used to send an alarm. Simultaneously, the device can be adsorbed to a steel surface through a magnet on a chassis.
Description
Technical field
The utility model belongs to petroleum and petrochemical industry security appliance field, is specifically related to a kind of portable natural gas and detects and alarming device.
Background technology
Oil/gas Well is in wellbore construction process, often be accompanied by overflowing of rock gas, the principal ingredient of rock gas is methane, and be attended by hydrogen sulfide gas, more than 400 of the sulfide hydrogen oil gas fields of commercial value are found in the world at present to have, high-hydrogen sulfide oil gas field has more than 10, although sulfuretted hydrogen has rotten egg smell, but when high concentration, cause very soon olfactory nerve paralysis and can not help its taste, so be difficult to when high-load realize, now people is easy to poisoning and causes death, oil field, China North China is in the time of acid oil reservoir drilling well, sulfuretted hydrogen once occurred overflows in a large number, cause serious personal injury event, Luo Jia stockaded village, high bridge town, Chongqing Kaixian on Dec 23 in 2003, occur at home and even world's gas well blowout " 12.23 " blowout serious accident rarely seen in history, rock gas in petroleum engineering has danger, in daily life, also there is same problem, rock gas is clean as one, the energy has become residential applications fuel the most widely efficiently, along with the continuous increase of natural gas user, its accident number of times is also in continuous rising, take Beijing as example, the natural gas user in urban district in 2011 has reached 3,140,000 families, resident's cooking vaporization rate reaches more than 96%, natural gas user is with the speed increment at annual 100000 families, Beijing's rock gas accident is also the trend of rising, there is every year on average 2000 ~ 3000 of rock gas accidents.
Have in the market the detecting device of the natural gas leaking of many types, for example hard-wired gas probing device, can Real-Time Monitoring natural gas leaking situation, but because position is fixed, the life-span of detector is limited, and replacing program complexity, exists certain hidden danger to the Leak Detection of rock gas.
Application publication number is CN102881119A coal gas pick-up unit, comprise gas content pick-up unit, controller, display and alarm, the gas content detecting is sent to controller by gas content pick-up unit, if gas content exceeds standard, gas content is shown on light-emitting diode display, and the alerting signal of sounding, this device can only detect coal gas, do not there is temperature sensor, can not proofread and correct testing result, in the time causing danger, litigant sees that the possibility of light-emitting diode display is little, light-emitting diode display power consumption, do not possess power saving function, and the generation device hummer of audible ringing signal may produce spark in the time starting, easily set off an explosion.
Summary of the invention
The purpose of this utility model is to propose a kind of portable natural gas to detect and alarming device, this device can detect methane and concentration of hydrogen sulfide in rock gas automatically, and reach under dangerous concentrations condition and give a warning by light emitting diode at methane and sulfuretted hydrogen, this device can be adsorbed onto steel surface by the permanent magnet pieces on chassis, makes installation and maintenance convenient and swift.
To achieve these goals, the technical solution of the utility model is: a kind of portable natural gas detects and alarming device, described detection and alarming device comprise: have one by the circular base plate after cutting, control circuit board is installed in chassis, a side near control circuit board is cut with square groove, outside Serial Port Line joint is connected with the joint on control circuit board by square groove, simultaneously, inside chassis is provided with power module, power module turns direct current converter by rechargeable battery and alternating current and forms, with Serial Port Line the relative position of corresponding square groove, be cut with another square groove, part after cutting is filled by filter screen, with filter screen you inner side just to sensor assembly is installed, temperature sensor is installed on sensor assembly, methane transducer, hydrogen sulfide sensor, the centre of the bottom surface on chassis is provided with a circular permanent magnet pieces, top cover is the disk with chassis with same diameter, on top cover, be inlaid with light emitting diode.
In described circular base plate, near edge, control circuit board is installed, control circuit board is fixedly connected with chassis by screw, edge one side near control circuit board is cut with square groove, outside Serial Port Line joint can be connected with the joint on control circuit board by square groove, inside chassis is provided with power module, power module turns direct current module by rechargeable battery and alternating current and forms, relative position with the square groove near control circuit board, be cut with another square groove, part after cutting is installed the filter screen identical with cutting part shape, just position is provided with to sensor assembly with filter screen inner side, sensor assembly is by temperature sensor, methane transducer, hydrogen sulfide sensor composition, centre in the bottom surface on chassis is provided with a circular permanent magnet pieces, permanent magnet iron plate is fixedly connected with chassis by bonding agent, circular base plate is screwed and is connected with top cover.
Described top cover is the disk identical with chassis diameter, the upper surface of top cover is the circuit board that is inlaid with light emitting diode, circuit board is screwed and is connected with top cover upper surface, the light emitting diode of red warning use is radial and is embedded on circuit board, and top cover is fixedly connected with chassis by screw.
Described control circuit board connects 1 power module, 1 sensor assembly, 1 and is inlaid with the circuit board of light emitting diode, power module turns direct current converter by rechargeable battery and alternating current and forms, and temperature sensor, methane transducer, hydrogen sulfide sensor are installed on sensor assembly.
The beneficial effects of the utility model are: the concentration of methane and sulfuretted hydrogen in detection rock gas, and judge and whether reach harmful grade, if reaching harmful grade just reports to the police by light emitting diode, simultaneously, by the permanent magnet pieces on chassis, device is installed on the equipment with steel surface, and installation and maintenance is convenient and swift.
Below in conjunction with drawings and Examples, the utility model is further described.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the inside chassis schematic diagram of the utility model embodiment.
Fig. 3 is the tray bottom schematic diagram of the utility model embodiment.
Fig. 4 is the top cover schematic diagram of the utility model embodiment.
Embodiment
Embodiment: a kind of portable natural gas detects and alarming device, referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, described detection and alarming device comprise: the chassis 7 of the disk composition after a cutting, control circuit board 8 is installed in chassis, a side near control circuit board is cut with square groove, outside Serial Port Line joint is connected with the joint on control circuit board by square groove, simultaneously, inside chassis is provided with power module 2, power module turns direct current converter by rechargeable battery and alternating current and forms, with Serial Port Line the relative position of corresponding square groove, be cut with another square groove, part after cutting is filled by filter screen 5, with filter screen inner side just to sensor assembly 11 is installed, temperature sensor 6 is installed on sensor assembly, methane transducer 4, hydrogen sulfide sensor 3, the centre of tray bottom is provided with a circular permanent magnet pieces 10, top cover is the disk with chassis with same diameter, top cover 9 upper surfaces are inlaid with light emitting diode 1.
On four angles of the control circuit board 8 in the present embodiment, all have the hole of use of connection, control circuit board is connected with chassis and is screwed connection.
All there is the hole of use of connection at four angles of power module 2, and power module is connected with chassis by four holes and is screwed connection.
On the pedestal of sensor assembly 11, have the circular hole of two connection use, temperature sensor, methane transducer, hydrogen sulfide sensor are all welded on sensor assembly pedestal, and sensor assembly is connected and is screwed connection by two circular holes and chassis are vertical.
After three limits of filter screen 5 are bonding with square groove by bonding agent, be fixedly connected with.
The circular edges of top cover 9, along the circular hole of 4 the connection use that are above being equally spaced, is also being equally spaced 4 and is being connected the circular hole of use with chassis correspondence position, and top cover and chassis are screwed connection.
The circuit board at light emitting diode 1 place of this example is connected with control circuit board by string line.
Claims (4)
1. a portable natural gas detects and alarming device, it is characterized in that, described device comprises: have one by the circular base plate after cutting, control circuit board is installed in chassis, a side near control circuit board is cut with square groove, outside Serial Port Line joint is connected with the joint on control circuit board by square hole, simultaneously, inside chassis is provided with power module, power module turns direct current converter by rechargeable battery and alternating current and forms, with Serial Port Line the relative position of corresponding square groove, be cut with another square groove, part after cutting is filled by filter screen, with filter screen inner side just to sensor assembly is installed, temperature sensor is installed on sensor assembly, methane transducer, hydrogen sulfide sensor, tray bottom centre is provided with a circular permanent magnet pieces, top cover is the disk with chassis with same diameter, on top cover, be inlaid with light emitting diode.
2. a kind of portable natural gas according to claim 1 detects and alarming device, it is characterized in that, in described circular base plate, near edge, control circuit board is installed, control circuit board is fixedly connected with chassis by screw, edge one side near control circuit board is cut with square groove, outside Serial Port Line joint can be connected with the joint on control circuit board by square groove, inside chassis is provided with power module, power module turns direct current module by rechargeable battery and alternating current and forms, relative position with the square groove near control circuit board, be cut with another square groove, part after cutting is installed the filter screen identical with cutting part shape, just position is provided with to sensor assembly with filter screen inner side, sensor assembly is by drive circuit board, temperature sensor, methane transducer, hydrogen sulfide sensor composition, centre in the bottom surface on chassis is provided with a circular permanent magnet pieces, permanent magnet iron plate is fixedly connected with chassis by bonding agent, circular base plate is fixedly connected with top cover by screw.
3. a kind of portable natural gas according to claim 1 detects and alarming device, it is characterized in that, described top cover is the disk identical with chassis diameter, the upper surface of top cover is the circuit board that is inlaid with light emitting diode, circuit board is screwed and is connected with top cover upper surface, the light emitting diode of red warning use is radial and is embedded on circuit board, and top cover is screwed and is connected with chassis.
4. a kind of portable natural gas according to claim 1 detects and alarming device, it is characterized in that, described control circuit board connects 1 power module, 1 sensor assembly, 1 and is inlaid with the circuit board of light emitting diode, power module turns direct current converter by rechargeable battery and alternating current and forms, and temperature sensor, methane transducer, hydrogen sulfide sensor are installed on sensor assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420012863.6U CN203644185U (en) | 2014-01-09 | 2014-01-09 | Portable natural gas detection and caution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420012863.6U CN203644185U (en) | 2014-01-09 | 2014-01-09 | Portable natural gas detection and caution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203644185U true CN203644185U (en) | 2014-06-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420012863.6U Expired - Fee Related CN203644185U (en) | 2014-01-09 | 2014-01-09 | Portable natural gas detection and caution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203644185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107065002A (en) * | 2017-06-13 | 2017-08-18 | 中国石油大学(北京) | A kind of environmental monitoring of oil-gas field development well site and source of early warning and method |
-
2014
- 2014-01-09 CN CN201420012863.6U patent/CN203644185U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107065002A (en) * | 2017-06-13 | 2017-08-18 | 中国石油大学(北京) | A kind of environmental monitoring of oil-gas field development well site and source of early warning and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA PETROLEUM UNIV. (BEIJING) Free format text: FORMER OWNER: HUANG CHENGHUI Effective date: 20150121 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Shijun Inventor after: Huang Chenghui Inventor after: Qian Buren Inventor after: Huang Mengying Inventor before: Huang Chenghui Inventor before: Huang Mengying |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HUANG CHENGHUI HUANG MENGYING TO: HUANG SHIJUN HUANG CHENGHUI QIAN BUREN HUANG MENGYING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150121 Address after: 102249 Beijing city Changping District Road No. 18 Patentee after: China University of Petroleum (Beijing) Address before: 102249 Beijing city Changping District Road No. 18 Patentee before: Huang Chenghui |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20160109 |