CN2591622Y - Combustable gas detector - Google Patents
Combustable gas detector Download PDFInfo
- Publication number
- CN2591622Y CN2591622Y CN 02256504 CN02256504U CN2591622Y CN 2591622 Y CN2591622 Y CN 2591622Y CN 02256504 CN02256504 CN 02256504 CN 02256504 U CN02256504 U CN 02256504U CN 2591622 Y CN2591622 Y CN 2591622Y
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- combustible gas
- control device
- gas probe
- alarm
- sensor assembly
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- 239000000523 sample Substances 0.000 claims description 35
- 238000012544 monitoring process Methods 0.000 claims description 9
- 230000032683 aging Effects 0.000 claims description 6
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- 238000006555 catalytic reaction Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000005055 memory storage Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 230000004992 fission Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 42
- 238000010586 diagram Methods 0.000 description 4
- 230000006855 networking Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000003915 liquefied petroleum gas Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000003197 gene knockdown Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a combustible gas detector, which comprises a sensor module used for sensing and detecting the information of the concentration of indoor combustible gas, a control device used for receiving the information of the concentration of the combustible gas which comes from the sensor module and generating alarm information according to the information of the concentration of the combustible gas, an alarm module used for receiving the alarm information of the control device and generating alarm signals, and a shell used for installing the sensor module, the control device and an alarm device inside. The combustible gas detector is characterized in that an air inlet window of a sensor on the shell and the shell are in fission combination type, and the connection of the sensor module which is positioned in the shell near the air inlet window of the sensor and the control device is demountable.
Description
Technical field
The utility model relates to a kind of combustible gas probe, relates more specifically to a kind of indoor combustible gas probe.
Background technology
Along with the development of society, the energy of buying clearly such as rock gas, liquefied petroleum gas (LPG) and artificial coal gas is just popularized gradually in big and medium-sized cities.Although these inflammable gass bring great convenience for people's life, also produced a problem thereupon, promptly when the combustable gas concentration of revealing acquires a certain degree, easily produce blast, bring very big threat can for people's life and property.Therefore, the safe handling to inflammable gas is subject to people's attention day by day.
In order to use inflammable gas safely, the protection person and property safety use indoor flammable gas alarm to be absolutely necessary.Occurred the different indoor fuel gas alarm of function on the current market, major part is to use the concentration of the inflammable gas in the semiconductor transducer sensing chamber.
Because traditional semiconductor transducer is non-linear big, affected by environment big, to water, cigarette reaction sensitivity, so traditional flammable gas alarm easily produces wrong report.
Existing flammable gas alarm all is that the separate single point type is reported to the police simultaneously, is not easy to the networking concentrated alarm monitoring of sub-district, building.
And because semiconductor transducer is easily affected by environment, after using a period of time, the sensor element that need more renew, sensor element and alarm are one in traditional flammable gas alarm, need the professional to change when changing sensor element, and readjust the working point of alarm, this uses traditional flammable gas alarm to bring trouble for general domestic consumer.And for the maintainer of combustible gas probe, attended operation also is very inconvenient, and the on-the-spot working point of adjusting alarm, is difficult to guarantee the consistance of combustible gas probe work.
The utility model content
A purpose of the present utility model is to provide a kind of combustible gas probe that can reliably report to the police.Another purpose of the present utility model is to provide a kind of combustible gas probe of the concentrated alarm monitoring that can realize networking.Another purpose of the present utility model is to provide a kind of combustible gas probe that can maintain easily.
The utility model combustible gas probe comprises: sensor assembly is used for the indoor gas concentration information of sensing; Control device is used to receive the gas concentration information from sensor assembly, and according to described gas concentration information, produces warning message; Alarm module is used for the warning message of receiving control device, produces alerting signal; Shell, be used for sensor assembly, control device and warning device are installed in wherein, described combustible gas probe, it is characterized in that: sensor air intake window and shell on the shell are separate assemblings, and being positioned at sensor assembly enclosure, close sensor air intake window is dismountable with being connected of control device.
Further, this combustible gas probe also comprises display device, links to each other with control device, is used to show the gas concentration value.
Further, this combustible gas probe also comprises the coding circuit that connects with described control device, is used for the bus centralized control.
Further, described sensor assembly is the carrier catalysis gas security.
Further, described sensor assembly is an inserting mode with being connected of control device.
Further, described sensor assembly also comprises memory storage, is used to write down situation, the accumulative total working time of last warning, the calibration coefficient value of demarcating concentration value, one-level alarm concentration value, secondary alarm concentration value, three grades of alarm concentration value, 24 hour zero point record, 36 months gain compensation table and sensor assembly and calibration compensation coefficient value, current zero point value and dispatching from the factory reference zero value, preset value and date of manufacture.
Further, described warning device comprises: accident warning device is used for when sensor assembly damages, lost efficacy or exceeds measurement range the output failure alarm signal; The concentration warning device is used for when detected gas concentration reaches preset value, output sound and light alarm signal, and the control signal of output control linkage.
Further, described control device also comprises: Automatic Zero Set is used for carrying out automatic zero set (AZS) when environmental change and sensor aging cause zero-error; The automatic gain compensation device when the sensor aging causes gain error, carries out automatic gain compensation.
Further, described control device also is connected with key operation device, is used to check sound and light alarm, alarm set point is set, zeroing, demarcates and access preset value; Described control device also is connected with the self check operating means, and under the normal monitoring state, can what be used to test warning device operate as normal.
Further, comprise microcontroller in the described control device, its model is MC68HC908JL3.
Description of drawings
Below by detailed description to accompanying drawing of the present utility model, feature and advantage of the present utility model will be illustrated fully, wherein:
Fig. 1 is the block diagram according to combustible gas probe of the present utility model;
Fig. 2 is a plurality of networking synoptic diagram according to combustible gas probe of the present utility model;
Fig. 3 is the utility model combustible gas probe schematic appearance;
Fig. 4 is that A-A amplifies partial sectional view among Fig. 3.
Embodiment
Below with reference to the accompanying drawings combustible gas probe of the present utility model is elaborated.
Fig. 1 is the block diagram of combustible gas probe of the present utility model.Combustible gas probe comprises sensor assembly 1, control device 2 and warning device 3.
Wherein sensor assembly 1 comprises sensor 4, amplifying circuit 5 and storer 6, and sensor 4 adopts the low-power consumption catalytic sensor, and the sensor selectivity of catalysis type is good, and is only to the combustion gas reaction, affected by environment little.The sensing signal of 5 pairs of sensors 4 of amplifying circuit amplifies, and the signal after the processing and amplifying is sent in the control device 2.Storer 6 records: last situation of reporting to the police, in order to inquire about last time of fire alarming, gas concentration value; The accumulative total working time is to guarantee that sensor uses before the deadline; Demarcate concentration value, in order to preserve the gas concentration value of demarcating last time; Whether one-level alarm concentration value, secondary alarm concentration value, three grades of alarm concentration value are in order to check the alarm set point setting; Calibration coefficient value and calibration compensation coefficient value are in order to preserve the gain situation; Current zero point the value and the reference zero value of dispatching from the factory, in order to preserve the zero point drift situation; Preset value when misoperation, can return to preset value, makes its operate as normal; 24 hour zero point record, in order to preserve 24 hours zero point drift situations; 36 months gain compensation table has write down the gain reduction situation in the sensor term of validity, shows compensating gain by this; Date of manufacture, the date of manufacture of record sensor element.The information of these records all sends control device 2 to.Therefore strengthened the memory function of detector.
For the ease of the Centralized Monitoring of sub-district, building, control device also comprises coding circuit 8 in addition, by the code switch in the coding circuit 15 is encoded, makes output terminal (TC) and bus concentrate monitor controller 14 just to be connected and can realize the bus Centralized Monitoring.
Combustible gas probe can also comprise a display device 12 of being made up of two LED, is used to show sensing range 0-99%LEL.
Detector is by realizing button operation: alarm set point is set, checks sound and light alarm, zeroing, demarcation, accessing dispatches from the factory pre-sets.
Detector also has self-checking function: under the normal monitoring state, after " self check key " 3 seconds, sound and light alarm and fault alarm are arranged and cut off solenoid valve.
Fig. 2 is the networking synoptic diagram of a plurality of the utility model combustible gas probes; In Fig. 2, the combustible gas probe of a plurality of distributions and sub-district or building is connected on the concentrated monitor controller of bus by coding circuit separately, realizes the bus Centralized Monitoring.Reveal in case combustion gas takes place, bus concentrates the operator on duty of monitor controller just can know the position that combustion gas is revealed immediately, thereby takes safety measures rapidly.
As shown in Figure 3, Figure 4, this combustible gas probe housing comprises loam cake 43 and base 44 two parts, loam cake 43 respective sensor modules 4 places are provided with detachable window 41, detachable window 41 is installed on the loam cake 43 by grab 45,46,54, and wherein grab 54 is hooked on the bleeder vent 53 of loam cake 43 sides.Be provided with bleeder vent 42 simultaneously on the detachable window 41.Base 44 sides are provided with bleeder vent 51.Main circuit board 50 is fixed on the base 44, sensor assembly 4 is fixed on the wiring board 52, wiring board 52 is plugged on the socket 48 by contact pin 49, realization is electrically connected with main circuit board 50, socket 48 is fixed on main circuit board 50 surfaces, wiring board 52 is provided with the circuits such as amplifying circuit of sensor assembly 4, for guaranteeing the stable of wiring board 52, is fixed on the socket 48 by screw 47.
The enclosure designs novelty of detector, easy to assemble.Its display window is replaceable to show two kinds for band shows and is not with.Sensor air intake window and shell are separate assemblings, need not dismantle shell when changing sensor board, directly the sensor air intake window are pulled down promptly replaceable.Bonnet is detachable, and convenience is connected with external unit.Knock down hole is cabling convenient and external equipment.
Pass through above preferred embodiment, the utility model has been done detailed description, those of ordinary skills can in the scope that does not deviate from essence of the present utility model and accompanying Claim book, carry out various modifications and improvement to the utility model under the inspiration of foregoing.
Claims (10)
1. combustible gas probe, comprising: sensor assembly is used for the indoor gas concentration information of sensing; Control device is used to receive the gas concentration information from sensor assembly, and according to described gas concentration information, produces warning message; Alarm module is used for the warning message of receiving control device, produces alerting signal; Shell, be used for sensor assembly, control device and warning device are installed in wherein, described combustible gas probe, it is characterized in that, sensor air intake window and shell on the shell are separate assemblings, and being positioned at sensor assembly enclosure, close sensor air intake window is dismountable with being connected of control device.
2. combustible gas probe as claimed in claim 1 is characterized in that this combustible gas probe also comprises display device, links to each other with control device, is used to show the gas concentration value.
3. combustible gas probe as claimed in claim 1 is characterized in that, this combustible gas probe also comprises the coding circuit that connects with described control device, is used for the bus centralized control.
4. combustible gas probe as claimed in claim 1 is characterized in that, described sensor assembly is the carrier catalysis gas security.
5. combustible gas probe as claimed in claim 1 is characterized in that, described sensor assembly is an inserting mode with being connected of control device.
6. combustible gas probe as claimed in claim 1, it is characterized in that, described sensor assembly also comprises memory storage, is used to write down situation, the accumulative total working time of last warning, the calibration coefficient value of demarcating concentration value, one-level alarm concentration value, secondary alarm concentration value, three grades of alarm concentration value, 24 hour zero point record, 36 months gain compensation table and sensor assembly and calibration compensation coefficient value, current zero point value and dispatching from the factory reference zero value, preset value and date of manufacture.
7. combustible gas probe as claimed in claim 1 is characterized in that, described warning device comprises: accident warning device is used for when sensor assembly damages, lost efficacy or exceeds measurement range the output failure alarm signal; With the concentration warning device, be used for when detected gas concentration reaches preset value output sound and light alarm signal, and the control signal of output control linkage.
8. combustible gas probe as claimed in claim 1 is characterized in that, described control device also comprises: Automatic Zero Set is used for carrying out automatic zero set (AZS) when environmental change and sensor aging cause zero-error; The automatic gain compensation device when the sensor aging causes gain error, carries out automatic gain compensation.
9. combustible gas probe as claimed in claim 1 is characterized in that described control device also is connected with key operation device, is used to check sound and light alarm, alarm set point is set, zeroing, demarcates and access preset value; Described control device also is connected with the self check operating means, and under the normal monitoring state, can what be used to test warning device operate as normal.
10. combustible gas probe as claimed in claim 1 is characterized in that, comprises microcontroller in the described control device, and its model is MC68HC908JL3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02256504 CN2591622Y (en) | 2002-09-20 | 2002-09-20 | Combustable gas detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02256504 CN2591622Y (en) | 2002-09-20 | 2002-09-20 | Combustable gas detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2591622Y true CN2591622Y (en) | 2003-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02256504 Expired - Fee Related CN2591622Y (en) | 2002-09-20 | 2002-09-20 | Combustable gas detector |
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| CN (1) | CN2591622Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100474348C (en) * | 2005-09-29 | 2009-04-01 | 华为技术有限公司 | Gas detection alarm method and mobile terminal |
| CN102279245A (en) * | 2011-06-22 | 2011-12-14 | 哈尔滨东方报警设备开发有限公司 | Integrated acousto-optic warning gas detector |
| CN102788179A (en) * | 2011-06-20 | 2012-11-21 | 北京联合大学 | Novel wrong gas cut-off prevention electronic safety monitor |
| CN103048429A (en) * | 2012-12-28 | 2013-04-17 | 重庆川仪分析仪器有限公司 | Replaceable fixed type gas warner |
| CN103325218A (en) * | 2013-05-22 | 2013-09-25 | 上海霖睿自控设备有限公司 | Wireless gas alarm control system |
| CN103647938A (en) * | 2013-11-25 | 2014-03-19 | 李军 | A security and monitoring all-in-one machine and a remote monitoring system |
| CN103913549A (en) * | 2014-04-28 | 2014-07-09 | 四川久远智能监控有限责任公司 | Improved type gas detector |
| CN105137024A (en) * | 2014-06-03 | 2015-12-09 | 江苏安泰机电科技有限公司 | Combustible gas sensor |
| CN105355009A (en) * | 2015-11-13 | 2016-02-24 | 成都秦川科技发展有限公司 | Self-check system and method with linkage equipment taking no action |
| CN106442867A (en) * | 2016-06-03 | 2017-02-22 | 李智 | Combustible gas concentration detection method and detection device |
| CN109386740A (en) * | 2017-06-26 | 2019-02-26 | 李�根 | Gas probing instrument |
| CN109844511A (en) * | 2016-11-04 | 2019-06-04 | Msa技术有限公司 | Combustible gas sensor and the method for identifying fuel gas type for the pulse operation via combustible gas sensor |
| CN110085002A (en) * | 2019-04-20 | 2019-08-02 | 马继华 | Gas pipeline detection system |
-
2002
- 2002-09-20 CN CN 02256504 patent/CN2591622Y/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100474348C (en) * | 2005-09-29 | 2009-04-01 | 华为技术有限公司 | Gas detection alarm method and mobile terminal |
| CN102788179A (en) * | 2011-06-20 | 2012-11-21 | 北京联合大学 | Novel wrong gas cut-off prevention electronic safety monitor |
| CN102788179B (en) * | 2011-06-20 | 2014-02-19 | 北京联合大学 | A new type of anti-mistaken cut-off gas electronic safety monitor |
| CN102279245B (en) * | 2011-06-22 | 2014-12-24 | 哈尔滨东方报警设备开发有限公司 | Integrated acousto-optic warning gas detector |
| CN102279245A (en) * | 2011-06-22 | 2011-12-14 | 哈尔滨东方报警设备开发有限公司 | Integrated acousto-optic warning gas detector |
| CN103048429A (en) * | 2012-12-28 | 2013-04-17 | 重庆川仪分析仪器有限公司 | Replaceable fixed type gas warner |
| CN103325218A (en) * | 2013-05-22 | 2013-09-25 | 上海霖睿自控设备有限公司 | Wireless gas alarm control system |
| CN103647938A (en) * | 2013-11-25 | 2014-03-19 | 李军 | A security and monitoring all-in-one machine and a remote monitoring system |
| CN103913549A (en) * | 2014-04-28 | 2014-07-09 | 四川久远智能监控有限责任公司 | Improved type gas detector |
| CN103913549B (en) * | 2014-04-28 | 2016-01-13 | 四川久远智能监控有限责任公司 | A kind of improved gas detector |
| CN105137024A (en) * | 2014-06-03 | 2015-12-09 | 江苏安泰机电科技有限公司 | Combustible gas sensor |
| CN105355009A (en) * | 2015-11-13 | 2016-02-24 | 成都秦川科技发展有限公司 | Self-check system and method with linkage equipment taking no action |
| CN106442867A (en) * | 2016-06-03 | 2017-02-22 | 李智 | Combustible gas concentration detection method and detection device |
| CN109844511A (en) * | 2016-11-04 | 2019-06-04 | Msa技术有限公司 | Combustible gas sensor and the method for identifying fuel gas type for the pulse operation via combustible gas sensor |
| CN109386740A (en) * | 2017-06-26 | 2019-02-26 | 李�根 | Gas probing instrument |
| CN109915735A (en) * | 2017-06-26 | 2019-06-21 | 李�根 | detector |
| CN109386740B (en) * | 2017-06-26 | 2020-11-06 | 赵新建 | Natural gas detector |
| CN109915735B (en) * | 2017-06-26 | 2020-11-13 | 海安迪斯凯瑞探测仪器有限公司 | detector |
| CN110085002A (en) * | 2019-04-20 | 2019-08-02 | 马继华 | Gas pipeline detection system |
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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: HUARUI KELIHENG( BEIJING ) SCIENCE CO., LTD. Free format text: FORMER OWNER: BEIJING KELIHENG SAFETY EQUIPMENT CO., LTD. Effective date: 20040827 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20040827 Address after: 100044, No. 20, West Road, Haidian District, Beijing Patentee after: RAE KLH TECHNOLOGIES (BEIJING) Co.,Ltd. Address before: 100044, No. 20, West Road, Haidian District, Beijing Patentee before: Beijing Keliheng Safety Equipment Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: HUARUIKELIHENG BUILDING, NO. 7, YONGFENGCHANYEJIDI Free format text: FORMER NAME OR ADDRESS: NO. 20, JIA, CHEGONGZHUANG ROAD(WEST), HAIDIAN DISTRICT, BEIJING CITY, 100044 |
|
| CP03 | Change of name, title or address |
Patentee address after: 100094 Beijing city Haidian District industrial base in Yongfeng Feng Xian Road No. 7 Building Rae systems Patentee address before: 100044, No. 20, West Road, Haidian District, Beijing |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |