CN110197571A - A kind of toxic air alarm device based on gas sensor - Google Patents
A kind of toxic air alarm device based on gas sensor Download PDFInfo
- Publication number
- CN110197571A CN110197571A CN201910530541.8A CN201910530541A CN110197571A CN 110197571 A CN110197571 A CN 110197571A CN 201910530541 A CN201910530541 A CN 201910530541A CN 110197571 A CN110197571 A CN 110197571A
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- air
- fixedly connected
- surge tank
- gas sensor
- alarm
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/14—Toxic gas alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
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- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Ventilation (AREA)
- Sampling And Sample Adjustment (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a kind of toxic air alarm devices based on gas sensor, are related to gas alarm technical field.The present invention includes pedestal and top plate；Pedestal surrounding is fixedly connected to power-operated shutter fan；Several power-operated shutters are fanned a surface and are fixedly connected with top plate；Base end face is provided with air inlet area；Base top surface is fixedly connected with middle control alarm assemblies；Drainage mechanism week, side card was connected with gasmetry mechanism；One surface of gasmetry mechanism is fixedly connected with two air purifiers；Top plate inner wall is fixedly connected with the first air-introduced machine.The corresponding design that the present invention passes through multiple surge tanks and multiple sensors; the device is promoted in the diversity and multifunctionality to gas detection formula; it is buffer-type sampling structure with the exposed gas sample structure of the traditional alarm of time-varying; pass through the design of buffer-type sampling structure; on the one hand effective protection can be carried out to sensor elements; on the other hand, facilitate the accuracy of promotion testing result.
Description
Technical field
The invention belongs to gas alarm technical fields, more particularly to a kind of toxic gas report based on gas sensor
Alert device.
Background technique
With being constantly progressive for society, people are higher and higher to the quality requirement of living environment, but since today's society is tight
The industrial pollution of weight and being widely used for finishing pollution and various burner equipment so that people's lives receive it is serious
It threatens, the leakage of the especially gas leakage of family has severely compromised the life and property safety of people, it is reported that in air
It lives in second-rate environment, very big to the harm of human health, many indoor air pollutants are all irritative gas, this
A little substances can stimulate eye, nose, throat and skin, cause to shed tears, cough, the symptoms such as sneeze, raw in muddy air for a long time
It is living, it can also cause respiratory function decline, respiratory symptom to aggravate, some also results in chronic bronchitis, bronchial asthma, lung
The diseases such as wind-puff, lung cancer, nasopharyngeal carcinoma illness rate can also increased.
The project of the detection of gas alarm currently on the market has unicity, cannot multiple gases be carried out while be examined
It surveys, while existing gas alarm function is more single, purification function cannot be had both when being monitored to gas, while right
For alarm by exposure to the gas in air, sampled be easy include impurity, when used for a long time, impurity there are one
Aspect can reduce the accuracy rate of alarm, on the other hand will cause sample tap blocking.
Summary of the invention
The purpose of the present invention is to provide a kind of toxic air alarm devices based on gas sensor, pass through power-operated shutter
Fan, gasmetry mechanism, the reality of air purifier and drainage mechanism, solve existing toxic air alarm device and have a single function
The problem of lacking the protection structure to sensor element.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is a kind of toxic air alarm device based on gas sensor, including pedestal and top plate；The pedestal surrounding is equal
It is fixedly connected with power-operated shutter fan；Four power-operated shutters are fanned a surface and are fixedly connected with top plate；The base end face is set
It is equipped with air inlet area；The base top surface is fixedly connected with middle control alarm assemblies；One surface of alarm assemblies, which is fixedly connected with, draws
Flow mechanism；The drainage mechanism week, side card was connected with gasmetry mechanism；One surface of gasmetry mechanism is fixedly connected
There are two air purifiers；The top plate inner wall is fixedly connected with the first air-introduced machine；
The drainage mechanism includes induced duct；The induced duct week, side offered two groups of air inlet holes；The air inducing inside pipe wall point
It is not fixedly connected with the second air-introduced machine and filter plate；The second air-introduced machine output end is provided with shaft；Described shaft one end is run through
Filter plate simultaneously extends to outside filter plate；The shaft week, side was fixedly connected with two hairbrush；One surface of induced duct is communicated with
Several diversion pipes；
The gasmetry mechanism includes support plate and exhaust pipe；The support plate inner wall and induced duct are clamped；The support plate
Bottom surface and pedestal are clamped；One surface of support plate has been respectively fixedly connected with the first surge tank, the second surge tank and third buffering
Tank；First surge tank, one surface is fixedly installed formaldehyde gas sensor；Second surge tank, the one surface fixed setting
There is combustible gas sensor；One surface of third surge tank is fixedly installed carbon monoxide transducer；First surge tank,
Second surge tank and third surge tank week side are connected to diversion pipe and exhaust pipe respectively；One surface of support plate is respectively with two
Air purifier is fixedly connected.
Further, three diversion pipes are in the rounded array distribution in one surface of induced duct；In three diversion pipes
Wall is provided with flowmeter and check valve.
Further, first surge tank, the second surge tank and third surge tank are in the rounded battle array in one surface of support plate
Column distribution；First surge tank is located on the outside of induced duct.
Further, the exhaust pipe is ring pipe；One end of the exhaust pipe exhaust outlet is provided with solenoid valve.
Further, one surface of pedestal is fixedly connected with alarm lamp；The air inlet area is located on the outside of alarm lamp；It is described
One surface of top plate is fixedly connected with two mounting racks.
Further, three air inlet holes are in induced duct week side circumferentially array distribution；The air inducing inside pipe wall is also
It is provided with filter core；The filter core is between the second air-introduced machine and filter plate.
The invention has the following advantages:
1, the present invention is respectively arranged with the first surge tank, the second surge tank and third surge tank, and is all provided in each surge tank
It is equipped with corresponding sensor, is designed by multiple surge tanks and the corresponding of multiple sensors, promotes the device to gas detection
The diversity and multifunctionality of formula, are buffer-type sampling structure with the exposed gas sample structure of the traditional alarm of time-varying, lead to
The design of buffer-type sampling structure is crossed, on the other hand on the one hand can carry out effective protection to sensor elements helps to be promoted
The accuracy of testing result.
2, the present invention, can be during alarm be to air sampling to the impurity in air by the design of drainage mechanism
Effectively filtered and at filter plate carry out automated cleaning, to make the device possess self-cleaning function, to be conducive to the report
The maintenance of alert device acts on by the collocation design of air purifier and with the linkage of alarm, is able to ascend more function of the device
It can shape；The design fanned by four power-operated shutters, then can be in air cleaning or introducing outside air, and intelligence adjusts air output
With outlet air efficiency.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of toxic air alarm device based on gas sensor；
Fig. 2 is the structural schematic diagram of pedestal, support plate and air purifier；
Fig. 3 is the partial enlarged view in Fig. 2 at A；
Fig. 4 is the overlooking structure diagram of Fig. 3；
Fig. 5 is the structural schematic diagram of pedestal and induced duct；
Fig. 6 is the present invention looks up structural representation of Fig. 5；
Fig. 7 is the structural schematic diagram of gasmetry mechanism；
Fig. 8 is the schematic diagram of the section structure of induced duct；
Fig. 9 is the structural schematic diagram of drainage mechanism；
In attached drawing, parts list represented by the reference numerals are as follows:
1- pedestal, 2- top plate, 3- power-operated shutter fan, 4- drainage mechanism, 5- gasmetry mechanism, 6- air purifier, 7- first
Air-introduced machine, 8- mounting rack, 101- enter the wind area, control alarm assemblies in 102-, 103- alarm lamp, 401- induced duct, 402- air inlet hole,
The second air-introduced machine of 403-, 404- filter plate, 405- shaft, 406- hairbrush, 407- diversion pipe, 408- flowmeter, 409- check valve,
501- support plate, 502- exhaust pipe, the first surge tank of 503-, the second surge tank of 504-, 505- third surge tank, 506- formaldehyde gas
Body sensor, 507- combustible gas sensor, 508- carbon monoxide transducer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-9 is please referred to, the present invention is a kind of toxic air alarm device based on gas sensor, including pedestal 1 and top
Plate 2；1 surrounding of pedestal is fixedly connected to power-operated shutter fan 3；Power-operated shutter fan 3 respectively include frame, multiple blades, motor and
Sharf；Sharf is located at blade connection；Motor is used for the control of blade opening angle by the drive mechanism between sharf
System, power-operated shutter fan 3 is by the control of opening angle for adjusting the air output of air purifier 6 or the first air-introduced machine 7 and going out
Wind efficiency；Four power-operated shutters are fanned 3 one surfaces and are fixedly connected with top plate 2；1 bottom surface of pedestal is provided with air inlet area 101；Enter the wind area
101 play the role of air inlet and pre-filtering；1 top surface of pedestal is fixedly connected with middle control alarm assemblies 102；Middle control alarm assemblies 102 are
Zhong Kong mechanism includes controller and interlock circuit instrument, and controller is common PLC controller, and controller comes from formaldehyde for receiving
The data feedback of gas sensor 506, combustible gas sensor 507 and carbon monoxide transducer 508, and control the first air-introduced machine
7 and second air inducing 403 work；Middle 102 1 surface of control alarm assemblies is fixedly connected with drainage mechanism 4；4 weeks sides of drainage mechanism
Card is connected with gasmetry mechanism 5；5 one surface of gasmetry mechanism is fixedly connected with two air purifiers 6；Air purifier 6
By the generation of anion for being purified to air；The model JL-611 of air purifier 6,2 inner wall of top plate is fixed to be connected
It is connected to the first air-introduced machine 7；First air-introduced machine 7 is used for the introducing of outside air；In use, the first air-introduced machine 7 is by pipeline and outside
The connection of boundary's fresh air；
Drainage mechanism 4 includes induced duct 401；401 weeks sides of induced duct offer two groups of air inlet holes 402；401 inner wall of induced duct point
It is not fixedly connected with the second air-introduced machine 403 and filter plate 404；Filter plate 404 is filtered the impurity in air, the second air-introduced machine
403 output ends are provided with shaft 405；It is connected with flabellum at the motor output shaft of the second air-introduced machine 403, while again and shaft
405 connections, 405 one end of shaft is through filter plate 404 and extends to outside filter plate 404；405 weeks sides of shaft are fixedly connected with two
Hairbrush 406；Hairbrush 406 is used to carry out scraper cleaning to filter plate 404；There are three diversion pipes for the connection of 401 1 surface of induced duct
407；
Gasmetry mechanism 5 includes support plate 501 and exhaust pipe 502；501 inner wall of support plate and induced duct 401 are clamped；Support plate
501 bottom surfaces and pedestal 1 are clamped；501 1 surface of support plate has been respectively fixedly connected with the first surge tank 503,504 and of the second surge tank
Third surge tank 505；First surge tank, 503 1 surface is fixedly installed formaldehyde gas sensor 506；Second surge tank 504 1
Surface is fixedly installed combustible gas sensor 507；505 1 surface of third surge tank is fixedly installed carbon monoxide transducer
508；505 weeks first surge tank 503, the second surge tank 504 and third surge tank sides respectively with diversion pipe 407 and exhaust pipe
502 connections；501 1 surface of support plate is fixedly connected with two air purifiers 6 respectively, the model of formaldehyde gas sensor 506
WSP2110, the model TGS2611 of combustible gas sensor 507, the model mQ-co4 of carbon monoxide transducer 508；
Wherein as shown in figs 1-9, three diversion pipes 407 are in the rounded array distribution in 401 1 surface of induced duct；Three diversion pipes
407 inner walls are provided with flowmeter 408 and check valve 409；Flowmeter 408 is for measuring ventilatory capacity；Check valve 409 is for unidirectional
Ventilation.
Wherein, the first surge tank 503, the second surge tank 504 and third surge tank 505 are on 501 1 surface of support plate in circle
Shape array distribution；First surge tank 503 is located at 401 outside of induced duct.
Wherein, exhaust pipe 502 is ring pipe；One end of 502 exhaust outlet of exhaust pipe is provided with solenoid valve；Solenoid valve is for controlling
The exhaust of exhaust pipe 502 processed
Wherein, 1 one surface of pedestal is fixedly connected with alarm lamp 103；1 bottom surface of pedestal is additionally provided with phonetic alarm；Enter the wind area 101
Positioned at 103 outside of alarm lamp；2 one surface of top plate is fixedly connected with two mounting racks 8.
Wherein, three air inlet holes 402 are in 401 weeks sides of induced duct circumferentially array distribution；401 inner wall of induced duct is also set up
There is filter core 410；Filter core 410 is sponge filter core；Filter core 410 is between the second air-introduced machine 403 and filter plate 404.
One concrete application of the present embodiment are as follows: the alarm serves primarily in household, and when use should by mounting rack 8
Device is arranged in interior, which is provided with three gas detection functions, i.e., the formaldehyde provided by formaldehyde gas sensor 506 altogether
Warning function is detected, the fuel gas detection warning function and carbon monoxide transducer 508 that combustible gas sensor 507 provides mention
The Carbon Monoxide Detection warning function of confession, combustible gas sensor 507, formaldehyde gas sensor 506 and carbon monoxide transducer
Controller of the 508 data real-time deliveries that will test into middle control alarm assemblies 102, when the gas that any one sensor detects
Body content be more than threshold value when, controller control in control alarm assemblies 102 speech sound device and alarm lamp 103 work, carry out voice and
Color alerts, combustible gas sensor 507, formaldehyde gas sensor 506 and carbon monoxide transducer 508 are corresponding with different languages
Sound and different warning colors.
When the device works, two air purifiers 6 may be selected and worked at the same time with gasmetry mechanism 5, or only make gas
Measuring mechanism 5 works, when gasmetry mechanism 5 works, the second air-introduced machine 403 periodic duty under control of the controller, to three
It is supplied in a surge tank, during air inducing, filter plate 404 is filtered the impurity in air, and hairbrush 406 carries out filter plate 404
Self-cleaning, the impurity struck off is discharged by entering the wind area 101, and when supplying to three surge tanks, the solenoid valve of exhaust pipe 502 is opened 1 minute
After close, be discharged three surge tanks residual gas, flowmeter 408 detect air demand reach setting value after, the second air inducing
Machine 403 stops working, and three gas sensors carry out gas detection, and after the cycle detection time reaches, solenoid valve repeats out
It is closed after opening 1 minute, flowmeter 408 detects, the process that the second air-introduced machine 403 stops working, the period work of the second air-introduced machine 403
The detection time for making time and gas sensor can be set by controller, such as be set as 2min, 5min.
When any one gas sensor detects smell exception, sound-light alarm operation is on the one hand carried out, controller is simultaneously
It controls two air purifiers 6 to work, while introducing extraneous fresh air by the first air-introduced machine 7, carry out pernicious gas
Dilution, controller can control the expanded angle of four power-operated shutters fan 3 according to the concentration of pernicious gas simultaneously, thus control into
Air quantity and air intake efficiency, in use, the first air-introduced machine 7 should be connect by pipeline with outside air.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (6)
1. a kind of toxic air alarm device based on gas sensor, including pedestal (1) and top plate (2), it is characterised in that:
Pedestal (1) surrounding is fixedly connected to power-operated shutter fan (3)；Several power-operated shutters fan (3) one surfaces with
Top plate (2) is fixedly connected；Pedestal (1) bottom surface is provided with air inlet area (101)；During pedestal (1) top surface is fixedly connected with
It controls alarm assemblies (102)；One surface of alarm assemblies is fixedly connected with drainage mechanism (4)；The all sides of the drainage mechanism (4)
Card is connected with gasmetry mechanism (5)；(5) one surface of gasmetry mechanism is fixedly connected with two air purifiers (6)；Institute
It states top plate (2) inner wall and is fixedly connected with the first air-introduced machine (7)；
The drainage mechanism (4) includes induced duct (401)；The all sides of the induced duct (401) offer two groups of air inlet holes
(402)；Induced duct (401) inner wall has been respectively fixedly connected with the second air-introduced machine (403) and filter plate (404)；Described second draws
Blower (403) output end is provided with shaft (405)；Described shaft (405) one end is through filter plate (404) and extends to filter plate
(404) external；The all sides of the shaft (405) are fixedly connected with two hairbrush (406)；(401) one surface of induced duct connects
It is connected with several diversion pipes (407)；
The gasmetry mechanism (5) includes support plate (501) and exhaust pipe (502)；Support plate (501) inner wall and air inducing
Manage (401) clamping；Support plate (501) bottom surface and pedestal (1) are clamped；(501) one surface of support plate is fixed respectively to be connected
It is connected to the first surge tank (503), the second surge tank (504) and third surge tank (505)；(503) one table of first surge tank
Face is fixedly installed formaldehyde gas sensor (506)；(504) one surface of second surge tank is fixedly installed fuel gas biography
Sensor (507)；(505) one surface of third surge tank is fixedly installed carbon monoxide transducer (508)；First buffering
Tank (503), all sides of the second surge tank (504) and third surge tank (505) respectively with diversion pipe (407) and exhaust pipe (502)
Connection；(501) one surface of support plate is fixedly connected with two air purifiers (6) respectively.
2. a kind of toxic air alarm device based on gas sensor according to claim 1, which is characterized in that Ruo Gansuo
Diversion pipe (407) is stated in (401) the one rounded array distribution in surface of induced duct；Several diversion pipe (407) inner walls are respectively provided with
There are flowmeter (408) and check valve (409).
3. a kind of toxic air alarm device based on gas sensor according to claim 1, which is characterized in that described
One surge tank (503), the second surge tank (504) and third surge tank (505) are in (501) the one rounded array in surface of support plate point
Cloth；First surge tank (503) is located on the outside of induced duct (401).
4. a kind of toxic air alarm device based on gas sensor according to claim 1, which is characterized in that the row
Tracheae (502) is ring pipe；One end of exhaust pipe (502) exhaust outlet is provided with solenoid valve.
5. a kind of toxic air alarm device based on gas sensor according to claim 1, which is characterized in that the bottom
(1) one surface of seat is fixedly connected with alarm lamp (103)；The air inlet area (101) is located on the outside of alarm lamp (103)；The top plate
(2) one surfaces are fixedly connected with two mounting racks (8).
6. a kind of toxic air alarm device based on gas sensor according to claim 1, which is characterized in that Ruo Gansuo
Air inlet hole (402) is stated in all sides of induced duct (401) circumferentially array distribution；Induced duct (401) inner wall is additionally provided with filter
Core (410)；The filter core (410) is between the second air-introduced machine (403) and filter plate (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910530541.8A CN110197571B (en) | 2019-06-19 | 2019-06-19 | Toxic gas alarm based on gas sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910530541.8A CN110197571B (en) | 2019-06-19 | 2019-06-19 | Toxic gas alarm based on gas sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110197571A true CN110197571A (en) | 2019-09-03 |
| CN110197571B CN110197571B (en) | 2021-12-21 |
Family
ID=67754786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910530541.8A Active CN110197571B (en) | 2019-06-19 | 2019-06-19 | Toxic gas alarm based on gas sensor |
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| Country | Link |
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| CN (1) | CN110197571B (en) |
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| CN110487879A (en) * | 2019-09-05 | 2019-11-22 | 郑州维纳实验设备有限公司 | A kind of gas alarm detection device |
| CN113380006A (en) * | 2021-06-08 | 2021-09-10 | 江苏威尔安智能科技有限公司 | Intelligent gas alarm based on transmission function of Internet of things |
| CN113552287A (en) * | 2021-06-15 | 2021-10-26 | 国网河南省电力公司宝丰县供电公司 | Sulfur hexafluoride detection device and method |
| CN113720974A (en) * | 2021-11-03 | 2021-11-30 | 张家港谱析传感科技有限公司 | Environmental pollution monitoring instrument |
| CN113864959A (en) * | 2021-10-19 | 2021-12-31 | 苏州沈氏净化设备有限公司 | Combined clean air conditioner box with variable filtering efficiency |
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| CN113552287A (en) * | 2021-06-15 | 2021-10-26 | 国网河南省电力公司宝丰县供电公司 | Sulfur hexafluoride detection device and method |
| CN113864959A (en) * | 2021-10-19 | 2021-12-31 | 苏州沈氏净化设备有限公司 | Combined clean air conditioner box with variable filtering efficiency |
| CN113720974A (en) * | 2021-11-03 | 2021-11-30 | 张家港谱析传感科技有限公司 | Environmental pollution monitoring instrument |
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| Publication number | Publication date |
|---|---|
| CN110197571B (en) | 2021-12-21 |
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