CN203824977U - Environmental harmful gas concentration detection device - Google Patents
Environmental harmful gas concentration detection device Download PDFInfo
- Publication number
- CN203824977U CN203824977U CN201320834470.9U CN201320834470U CN203824977U CN 203824977 U CN203824977 U CN 203824977U CN 201320834470 U CN201320834470 U CN 201320834470U CN 203824977 U CN203824977 U CN 203824977U
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- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 230000007613 environmental effect Effects 0.000 title abstract description 3
- 239000007789 gas Substances 0.000 claims abstract description 90
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 25
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 24
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 23
- 239000000523 sample Substances 0.000 claims description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Abstract
The utility model discloses an environmental harmful gas concentration detection device based on an AVR (Automatic Voltage Regulation) single-chip microcomputer. The device comprises a box body, wherein a power supply unit, a control unit, a relay unit and a transducer are mounted in the box body; a display screen, buttons, an alarm indicator lamp and a gas detection sensor are mounted at the front side of the box body; a power switch, a power socket and a fuse socket are mounted at the rear side of the box body; an output terminal of the gas detection sensor is connected with an input terminal of the control unit; an output terminal of the control unit is respectively connected with an input terminal of the display screen and an input terminal of the delay unit; an output terminal of the delay unit is connected with the alarm indicator lamp. According to the device, the corresponding gas concentration in an environment is displayed on the display screen through the AVR single-chip microcomputer matched with corresponding gas sensors; whether an alarm device is started or not is controlled according to programs, so that the concentration of harmful gases in the environment is monitored and an alarm is given as long as the concentration of harmful gases exceeds the standard. The device disclosed by the utility model has the advantages of being simple to use, accurate to control, high in flexibility, high in integration degree, good in stability and the like.
Description
Technical field
The utility model relates to harmful gas concentration detector, particularly a kind of device that is suitable for harmful gas concentration detection use in space flight attitude control catalyst stores environment.
Background technology
Can, in space flight automatic control field, the storage condition of catalyzer be most important, after the physical and chemical indexes that it is directly connected to catalyzer while applying in the future and installation, reach all technical requirement by steady operation.Catalyzer often just possesses the condition of constant temperature and humidity in the time storing at present, and do not possess the ability of testing environment harmful gas, even if be equipped with special thermo-humidistat cabinet, it also communicates with atmospheric environment, and it is well-known, gas in atmospheric environment has certain uncertainty, particularly content lower as oxides of nitrogen, sulfide etc. are to the prejudicial gas of catalyzer, if reach finite concentration, in catalyst stores process, be easy to catalyzer cause potential destruction and affect the performance of catalyzer, therefore should be paid special attention to and should real time monitoring, once the harmful gas content of discovery exceeds standard and reports to the police immediately.Only in this way guarantee catalyzer keeps various indexs to stablize constant requirement in storage cycle.That catalyst stores environmental safety is played to vital effect for the monitoring of inflammable gas.Therefore, increasing this harmful gas concentration detector for the storage condition of catalyzer just seems and is necessary very much.Traditional gas detection alarm general utility functions are more single, can only detect a kind of gas at every turn, and can detect multiple gases simultaneously or the larger use inconvenience of volume or install fixingly, be unsuitable for movement.For storage request difference, environment difference needs the gas concentration differences of reporting to the police in addition, and this has all restricted the use of gas detection alarm.
Utility model content
The purpose of this utility model is for above-mentioned drawback, provide a kind of use simple and easy, portable, integrated level is high, workable, adaptable new gas concentration detection alarm device, to meet harmful gas concentration measuring ability in current space flight appearance control catalyst stores environment.
The utility model, than traditional gas concentration detection alarm device, has the following advantages:
1, scale miniaturization.The utility model miniaturization, takes up room little, does not need separately for it arranges place, and O&M is all very convenient.
2, easy to use and flexible is strong.The utility model does not limit field of employment, can enter into very easily each place and carry out work, has possessed the condition of plug and play, can enter rapidly duty, in real time monitoring.
3, integrated level is high.Sensor, transmitter, control algorithm unit, alarm unit, display unit etc. are all highly integrated in the utility model.
5, simple to operation.The utility model uses simple, relies on that inner AVR single-chip microcomputer gathers, computing completely, and without manual intervention, staff only need to just can grasp by simple study the method for operating of gas detection alarm very soon.
6, extensibility.The utility model can meet the needs that existing catalyst stores environment harmful gas concentration detects, and can carry out Function Extension according to specific demand.
7, the equipment needing is less with device, and therefore of the present utility model to build cost cost with respect to other can meet the gas detection alarm platform of same function and accuracy of detection cheaper.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model control box;
Fig. 2 is the utility model control box the first panel (A) schematic diagram;
Fig. 3 is the utility model control box the second panel (B) structural representation;
Fig. 4 is the utility model control box the 3rd panel (C) structural representation;
Fig. 5 is the utility model control box fourth face plate (D) schematic diagram;
Fig. 6 is the utility model theory diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
All devices of the present utility model and device are all arranged on control box inside, and profile is very small and exquisite, has good mobility.On the first panel A, oxides of nitrogen gas detection probe 9 is installed, sulfide gas detection probe 10, inflammable gas detection probe 11 detects transmitter 19 with the oxides of nitrogen gas being installed on the 3rd panel C respectively, sulfide gas detects transmitter 20, inflammable gas detects transmitter 21 input end wires and connects, oxides of nitrogen gas detects transmitter 19, sulfide gas detects transmitter 20, the output terminal that inflammable gas detects transmitter 21 is connected with the input end wire that is installed on the AVR Single-chip Controlling unit 17 on the second panel B, AVR Single-chip Controlling unit 17 output terminals are connected with the relay control unit 16 input end wires that are installed on the second panel B with the display screen 1 being installed on the first panel A respectively, relay control unit 16 output terminals respectively be installed on oxides of nitrogen gas on the first panel A alarm 2 that exceeds standard, the sulfide gas alarm 3 that exceeds standard, inflammable gas exceed standard alarm 4 input end wires connect, on fourth face plate D, power supply base 13 is installed, power supply base 13 input ends are connected with external ac power source, power supply base 13 output terminals are connected with the fuse receptacle 14 input end wires that are installed on fourth face plate D, fuse receptacle 14 output terminals are connected with the power switch 12 input end wires that are installed on fourth face plate D, power switch 12 output terminals respectively with the first power supply unit 15 being installed on the second panel B, the second power supply unit 18 input end wires connect, the first power supply unit 15, the second power supply unit 18 output terminals respectively with the AVR Single-chip Controlling unit 17 being installed on the second panel B, relay control unit 16, be installed on the oxides of nitrogen gas detecting sensor switch 6 on the first panel A, sulfide gas detecting sensor switch 7, inflammable gas detecting sensor switch 8 input end wires connect, oxides of nitrogen gas detecting sensor switch 6, sulfide gas detecting sensor switch 7, inflammable gas detecting sensor switch 8 output terminals detect transmitter 21 input end wires and are connected with the oxides of nitrogen gas detection transmitter 19, sulfide gas detection transmitter 20, the inflammable gas that are installed on the 3rd panel C respectively, the alarm release button 5 being installed on the first panel A is connected with the AVR Single-chip Controlling unit 17 input end wires that are installed on the second panel B.
The upper oxides of nitrogen gas detection probe 9 of installing of the first panel A, sulfide gas detection probe 10, inflammable gas detection probe 11 respectively with the 3rd panel C on oxides of nitrogen gas detect transmitter 19, sulfide gas detects transmitter 20, inflammable gas detects transmitter 21 wires and connects to form three groups of gas concentration detection apparatus that work alone, the oxides of nitrogen gas being installed on the 3rd panel C detects transmitter 19, sulfide gas detects transmitter 20, inflammable gas detect transmitter 21 by be installed on the second power supply unit 18 on the second panel B by wire be installed on the oxides of nitrogen gas detecting sensor switch 6 on the first panel A, sulfide gas detecting sensor switch 7, inflammable gas detecting sensor switch 8 connects provides power supply support, the signal of transmitter output is connected with the input interface of the AVR Single-chip Controlling unit 17 on the second panel B by wire, signal is through A/D conversion, calculation process changes into the concentration value of this kind of gas in atmosphere later and data is presented on the display screen 1 being installed on the first panel A by the output interface that is installed on the AVR Single-chip Controlling unit 17 on the second panel B, demonstration result is the decimal system " xxx " PPM.Once control module is found detected gas concentration and is exceeded the preset concentration threshold of AVR Single-chip Controlling unit software, connect with the relay control unit 16 being installed on the second panel B and send control signal by wire by the output interface that is installed on the AVR Single-chip Controlling unit 17 on the second panel B, connected to control by wire by relay control unit 16 and be installed on oxides of nitrogen gas on the first panel A alarm 2 that exceeds standard, the sulfide gas alarm 3 that exceeds standard, the inflammable gas alarm corresponding with the gas that exceeds standard in alarm 4 that exceed standard sends warning light and sound, if now want to remove sound and light alarm, can press and be installed on the alarm release button 5 being connected with AVR Single-chip Controlling unit 17 wires on the second panel B on the first panel A, after pressing, within the preset time of software, alarm can not reported to the police again, but the display screen 1 being installed on the first panel A can refresh each detected gas concentration value with higher frequency.
Workflow of the present utility model is carried out to embodiment explanation:
The present embodiment makes gas concentration detection apparatus send sound and light alarm by alcohol volatilization gas being detected, external ac power source is connected on the power supply base 13 on fourth face plate D, the power switch 12 of opening installation on fourth face plate D, gas concentration detection apparatus is started working, and measured value is connected to the AVR Single-chip Controlling unit 17 of transferring to be installed on the second panel B by wire process, be installed on afterwards the display screen 1 circulation demonstration oxides of nitrogen gas concentration value successively on the first panel A, sulfide gas concentration value, inflammable gas concentration value, now because each tested gas concentration in atmosphere is extremely low, do not reach alarm threshold value, thereby can not report to the police by trigger alarm device.Now use is dipped in spirituous swab stick and around warning device, is brandished gently for several times, can find to show that inflammable gas concentration value rises rapidly in the display screen 1 on the first panel A, after exceeding activation threshold value preset in program, the alarm sound of " ticking " is lighted and sent to inflammable gas on the first panel A alarm 4 that exceeds standard that is installed on of answering in contrast.After now pressing the alarm release button 5 on the first panel A, inflammable gas exceeds standard, and alarm 4 extinguishes and alarm sound stops, after this within 2 hours, gas concentration detection apparatus can not send warning again, but display screen 1 can circulate successively and show oxides of nitrogen gas concentration with frequency faster, sulfide gas concentration, inflammable gas concentration numerical value, allow staff obtain faster real-time information, after 2 hours, gas concentration detection apparatus reverts to normal operation mode, display screen 1 shows that information state recovers normal refresh frequency, alarm reverts to and can trigger state.
Specific embodiment described herein is only that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (4)
1. an environment harmful gas concentration detection apparatus, it is characterized in that: comprise square box, in square box, be laterally provided with one deck dividing plate, square box front panel as the first panel (A), dividing plate as the base plate of the second panel (B), square box inside as the 3rd panel (C), square box rear panel as fourth face plate (D);
Oxides of nitrogen gas detection probe (9) is installed on the first panel (A), sulfide gas detection probe (10), inflammable gas detection probe (11) detects transmitter (19) with the oxides of nitrogen gas being installed on the 3rd panel (C) respectively, sulfide gas detects transmitter (20), inflammable gas detects transmitter (21) input end wire and connects, oxides of nitrogen gas detects transmitter (19), sulfide gas detects transmitter (20), the output terminal that inflammable gas detects transmitter (21) is connected with the input end wire that is installed on the AVR Single-chip Controlling unit (17) on the second panel (B), AVR Single-chip Controlling unit (17) output terminal is connected with relay control unit (16) the input end wire that is installed on the display screen (1) on the first panel (A) and be installed on the second panel (B) respectively, relay control unit (16) output terminal respectively be installed on oxides of nitrogen gas on the first panel (A) alarm (2) that exceeds standard, the sulfide gas alarm (3) that exceeds standard, inflammable gas exceed standard alarm (4) input end wire connect, power supply base (13) is installed on fourth face plate (D), power supply base (13) input end is connected with external ac power source, power supply base (13) output terminal is connected with fuse receptacle (14) the input end wire being installed on fourth face plate (D), fuse receptacle (14) output terminal is connected with power switch (12) the input end wire being installed on fourth face plate (D), power switch (12) output terminal respectively with the first power supply unit (15) being installed on the second panel (B), the second power supply unit (18) input end wire connects, the first power supply unit (15), the second power supply unit (18) output terminal respectively with the AVR Single-chip Controlling unit (17) being installed on the second panel (B), relay control unit (16), be installed on the oxides of nitrogen gas detecting sensor switch (6) on the first panel (A), sulfide gas detecting sensor switch (7), inflammable gas detecting sensor switch (8) input end wire connects, oxides of nitrogen gas detecting sensor switch (6), sulfide gas detecting sensor switch (7), inflammable gas detecting sensor switch (8) output terminal are connected with the oxides of nitrogen gas detection transmitter (19), sulfide gas detection transmitter (20), inflammable gas detection transmitter (21) the input end wire that are installed on the 3rd panel (C) respectively, the alarm release button (5) being installed on the first panel (A) is connected with AVR Single-chip Controlling unit (17) the input end wire being installed on the second panel (B).
2. device according to claim 1, is characterized in that: oxides of nitrogen gas the exceed standard alarm (3), inflammable gas of alarm (2), sulfide gas that exceed standard exceeds standard alarm (4) for the warning indicator with lamp band hummer.
3. device according to claim 1, is characterized in that: oxides of nitrogen gas detecting sensor switch (6), sulfide gas detecting sensor switch (7), inflammable gas detecting sensor switch (8) are band lamp self-locking button switch.
4. device according to claim 1, is characterized in that: gas detection probe is aluminum alloy casing, and there is bleeder vent in front, and gas sensor is arranged on the inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320834470.9U CN203824977U (en) | 2013-12-15 | 2013-12-15 | Environmental harmful gas concentration detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320834470.9U CN203824977U (en) | 2013-12-15 | 2013-12-15 | Environmental harmful gas concentration detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203824977U true CN203824977U (en) | 2014-09-10 |
Family
ID=51480460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320834470.9U Expired - Lifetime CN203824977U (en) | 2013-12-15 | 2013-12-15 | Environmental harmful gas concentration detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203824977U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597205A (en) * | 2014-12-24 | 2015-05-06 | 苏州优谱德精密仪器科技有限公司 | Gas detecting and purifying device |
| CN105911232A (en) * | 2016-07-09 | 2016-08-31 | 夏百战 | Test device for air pollutants |
| CN107833434A (en) * | 2017-11-22 | 2018-03-23 | 杨晓艳 | A kind of imflammable gas detects alarm |
-
2013
- 2013-12-15 CN CN201320834470.9U patent/CN203824977U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597205A (en) * | 2014-12-24 | 2015-05-06 | 苏州优谱德精密仪器科技有限公司 | Gas detecting and purifying device |
| CN105911232A (en) * | 2016-07-09 | 2016-08-31 | 夏百战 | Test device for air pollutants |
| CN107833434A (en) * | 2017-11-22 | 2018-03-23 | 杨晓艳 | A kind of imflammable gas detects alarm |
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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 |
Granted publication date: 20140910 |
|
| CX01 | Expiry of patent term |