CN110136397A - A kind of formaldehyde pernicious gas intelligent testing and warning system - Google Patents
A kind of formaldehyde pernicious gas intelligent testing and warning system Download PDFInfo
- Publication number
- CN110136397A CN110136397A CN201910518479.0A CN201910518479A CN110136397A CN 110136397 A CN110136397 A CN 110136397A CN 201910518479 A CN201910518479 A CN 201910518479A CN 110136397 A CN110136397 A CN 110136397A
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- Prior art keywords
- formaldehyde
- dust
- alarm
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/0047—Specially adapted to detect a particular component for organic compounds
-
- 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
Abstract
The invention discloses a kind of formaldehyde pernicious gas intelligent testing and warning systems, including formaldehyde examination device, control system and monitoring and alarming system；The formaldehyde examination device includes pedestal, and base bottom is equipped with wheel, and pedestal is equipped with protection box body, and protection box body top is opening-like.Formaldehyde examination device can be detected concentration of formaldehyde data compared with alarm difference block setting numerical value by MCU module of the present invention, it can also be by amount of dust on filter screen compared with difference block of alarming, data are set when formaldehyde examination device detection concentration of formaldehyde data are greater than alarm difference block, monitoring and alarming system carries out alert process by alarm module, it has served as dust on filter screen amount and has been greater than alarm difference block setting numerical value, processing module controls the first driving motor, dust processing mechanism handles dust.
Description
Technical field
The present invention relates to monitoring harmful gases alarm technique fields, and in particular to a kind of formaldehyde pernicious gas intelligent measurement report
Alert system.
Background technique
Formaldehyde belongs to widely used, the public chemical products of simple production process, raw material supply abundance.It is Downstream Products of Methanol
Trunk in tree, world's annual output is at 25,000,000 tons or so, and 30% or so methanol is all used to produce formaldehyde, but formaldehyde can be by room
Interior high-ratio surface material adsorbs enrichment, releases again when room temperature increases, and aggravates polluting effect.China " room
Interior air quality standard " provide that the limit value of two class civil building engineering formaldehyde in indoor air is 0.10mg/m3, one kind is civilian to build
The limit value for building engineering formaldehyde in indoor air is 0.08mg/m3, one type civil building engineering includes: house, hospital, school
Classroom, old building, kindergarten.
Though existing formaldehyde alarm system can realize PARA FORMALDEHYDE PRILLS(91,95) detection, alarm, formaldehyde is when detecting, especially big in dust
Place, detector are easily stained with dust to reduce detection efficiency, and Chinese patent literature publication number CN109596781A is disclosed
A kind of indoor formaldehyde monitor based on Internet of Things, belongs to monitoring device technical field, solves existing indoor formaldehyde measurement
Instrument is easy absorption dust in outer surface, is to be easy to appear error so as to cause measurement, affects us to indoor air quality
The problem of judgement；Its technical characteristic is: including shell, monitor controller and formaldehyde monitor, the lower part of the housing setting branch
Pedestal is supportted, first hydraulic cylinder, the first hydraulic cylinder upper end and the housing lower surface interposition are installed in support base upper surface
Welding is set, battery is set on the right side of the housing cavity, monitor controller, housing cavity activity are set below the battery
Formaldehyde monitor is set, which cannot be used in the big place of dust, and the big local detector of dust is stained with dust, influences detection effect
Fruit.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of formaldehyde pernicious gas intelligence
Detect alarm system.
Technical solution: to achieve the above object, the invention provides the following technical scheme:
A kind of formaldehyde pernicious gas intelligent testing and warning system, including formaldehyde examination device, control system and monitoring alarm
System；The formaldehyde examination device includes pedestal, and base bottom is equipped with wheel, and pedestal is equipped with protection box body, protects box body top
Portion is opening-like, and protection box body bottom is equipped with cylinder, and cylinder free end is connect with detection box, and detection box side is equipped with air inlet
Mouthful, the other side be equipped with can closing air outlet, air inlet is equipped with basket strainer, partition is equipped in detection box, and partition will test case
Body is divided into dedusting chamber and test chamber, and in being symmetrically arranged with the first driving motor in test chamber, the first driving motor exports to be connected partition
There is screw rod, spiral shell block is arranged on two screw rods, two spiral shell blocks are connected with movable plate jointly, and movable plate is equipped with ash by basket strainer side
Dirt processing mechanism, partition middle are equipped with air-vent, are equipped with air inducing at air-vent and fan, be equipped with and collect at the top of the detection box
Case, collecting box are connected to air blower, and air blower is connected to by collecting pipe with the intracavitary collecting hood of dedusting, and first is equipped in the test chamber
Aldehyde detector；
The control system includes that comparator, MCU module and alarm difference block, formaldehyde examination device output end pass through ratio
It is connect compared with device with MCU module, MCU module output end is connect with alarm difference block, and alarm difference block transmits MCU module
Data are compared with preset value, are transmitted further to monitoring and alarming system, monitoring and alarming system include processing module, alarm module and
Display module, the processing module, for controlling dust on processing filter screen, alarm module reaches pre- for content of formaldehyde concentration
If value carries out alert process, display module, for showing the concentration of formaldehyde numerical value of formaldehyde examination device measurement.
Be as further scheme of the invention: formaldehyde examination device can be detected concentration of formaldehyde number by the MCU module
It, can also be by amount of dust on filter screen compared with difference block of alarming, when formaldehyde is examined compared with setting numerical value with alarm difference block
It surveys device detection concentration of formaldehyde data and is greater than alarm difference block setting data, monitoring and alarming system is reported by alarm module
Alert processing has served as dust on filter screen amount and has been greater than alarm difference block setting numerical value, and processing module controls the first driving motor, at dust
Reason mechanism handles dust.
Be as further scheme of the invention: cylinder free end two sides pass through first connecting rod, the second company respectively
Bar is connect with the first telescopic rod, the second telescopic rod.
Be as further scheme of the invention: the screw rod and detection box contact position are equipped with bearing.
Be as further scheme of the invention: the detection box two sides offer limiting slot, are equipped in limiting slot
Limited block, limited block are connect with buffer bar, and two buffer bar tops are connect with shield jointly, and shield two sides are equipped with wear-resistant pad, resistance to
Mill pad is shown consideration for protecting box closes setting.
Be as further scheme of the invention: the limited block bottom end is connect by buffer spring with limiting slot.
Be as further scheme of the invention: the dust processing mechanism includes installs case, installs case and movable plate
Connection, installs case is interior to be equipped with the second driving motor, and the second driving motor output shaft is connected with gear, wheel and rack connection, tooth
Both ends pass through installs case and are equipped with installing port, and connect with bar is coordinated, and two coordination bars are connected with dust removal brush jointly.
It is as further scheme of the invention: is equipped with sliding slot in the installs case, slidably connects sliding block in sliding slot,
Sliding block is connect with rack gear side.
The utility model has the advantages that it is of the invention, it has the beneficial effect that:
1) formaldehyde examination device can be detected concentration of formaldehyde data by MCU module of the present invention and alarm difference block sets numerical value
Compare, it can also be by amount of dust on filter screen compared with difference block of alarming, when formaldehyde examination device detection concentration of formaldehyde data are big
Data are set in alarm difference block, monitoring and alarming system carries out alert process by alarm module, it is big to have served as dust on filter screen amount
Numerical value is set in alarm difference block, processing module controls the first driving motor, dust processing mechanism handles dust, opens
Dynamic first driving motor, screw rod rotation, spiral shell block is mobile, realizes movable plate close to dedusting by the first driving motor positive and negative rotation of control
Net starts the second driving motor, gear rotation, wheel and rack engagement, so that gear 1702 is moved up and down in installing port, then
Dust removal brush ` can clean basket strainer；In basket strainer cleaning process, start air blower, dust enters receipts by collecting hood, collecting pipe
In header.
2) the first telescopic rod and the second telescopic rod cooperate cylinder free end, during detection box can be made to move up more
Stablize, so that will test cabinet stabilization is moved to detecting state；When methylene oxide detecting instrument stops detecting, shield and the protecting box bodily form
At sealing space, to guarantee that detection box is not destroyed in protecting box body by external interference, the service life of device is improved, together
When in guard box body, not will receive dust interference, thus for a long time place still can precisely detect.
Detailed description of the invention
Fig. 1 is a kind of formaldehyde pernicious gas intelligent testing and warning system figure of the present invention；
Fig. 2 is formaldehyde examination apparatus structure schematic diagram of the present invention；
Fig. 3 is schematic diagram when formaldehyde examination device of the present invention works；
Fig. 4 is enlarged structure schematic diagram at A in Fig. 2 of the present invention；
Fig. 5 is dust processing mechanism structural schematic diagram of the present invention.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
If attached drawing 1-5 shows, a kind of formaldehyde pernicious gas intelligent testing and warning system in the embodiment of the present invention, including formaldehyde inspection
Survey device 1, control system and monitoring and alarming system；The formaldehyde examination device 1 includes pedestal 2, and 2 bottom of pedestal is equipped with wheel 3,
Pedestal 2 is equipped with protection box body 4, and 4 top of protection box body is opening-like, and protection 4 bottom of box body is equipped with cylinder 5,5 free end of cylinder
Connect with detection box 6,6 side of detection box is equipped with air inlet 7, the other side be equipped with can closing air outlet 8, set at air inlet 7
There is basket strainer 9, is equipped with partition 10 in detection box 6, partition 10 will test cabinet 6 and be divided into dedusting chamber 11 and test chamber 12, partition
10 in being symmetrically arranged with the first driving motor 13 in test chamber 12, the output of the first driving motor 13 is connected with screw rod 14, two screw rods
Spiral shell block 15 is arranged on 14, two spiral shell blocks 15 are connected with movable plate 16 jointly, and movable plate 16 is equipped at dust by 9 side of basket strainer
Mechanism 17 is managed, 10 middle of partition is equipped with air-vent 18, and air inducing fan 19 is equipped at air-vent 18, is set at the top of the detection box 6
There is collecting box 20, collecting box 20 is connected to air blower 21, and air blower 21 is connected by collecting hood 23 in collecting pipe 22 and dedusting chamber 11
It is logical, methylene oxide detecting instrument 24 is equipped in the test chamber 12；Start the first driving motor 13, screw rod 14 rotates, and spiral shell block 15 is mobile, leads to
It crosses control 13 positive and negative rotation of the first driving motor and realizes that movable plate 16 close to basket strainer, completes dust removing effects；Basket strainer 9 is arranged, and protects
Demonstrate,proving dust will not enter in test chamber 12, so that 24 detection effect of methylene oxide detecting instrument is improved, in 9 cleaning process of basket strainer, starting
Air blower 21, dust are entered in collecting box 20 by collecting hood 23, collecting pipe 22；
The control system includes that comparator, MCU module and alarm difference block, formaldehyde examination device output end pass through ratio
It is connect compared with device with MCU module, MCU module output end is connect with alarm difference block, and alarm difference block transmits MCU module
Data are compared with preset value, are transmitted further to monitoring and alarming system, monitoring and alarming system include processing module, alarm module and
Display module, the processing module, for controlling dust on processing filter screen, alarm module reaches pre- for content of formaldehyde concentration
If value carries out alert process, display module, for showing the concentration of formaldehyde numerical value of formaldehyde examination device measurement；Monitoring and alarming system
When amount of dust can be reached to alert difference block setting numerical value, the first driving motor 13 of control, the second driving motor, air blower 21 are transported
Turn to realize that the dedusting on basket strainer, dedusting terminate to guarantee that basket strainer is clean, next methylene oxide detecting instrument 24 is facilitated to continue to test；
Formaldehyde examination device can be detected concentration of formaldehyde data compared with alarm difference block setting numerical value by MCU module,
It can be by amount of dust on filter screen compared with difference block of alarming, when formaldehyde examination device detection concentration of formaldehyde data are poor greater than alarming
It is worth module and sets data, monitoring and alarming system carries out alert process by alarm module, and it is poor greater than alarming to have served as dust on filter screen amount
It is worth module and sets numerical value, processing module controls the first driving motor, dust processing mechanism handles dust；
5 two sides of cylinder free end pass through first connecting rod 26, second connecting rod 27 and the first telescopic rod 28, the second telescopic rod respectively
29 connections, the first telescopic rod 28 and the second telescopic rod 29 cooperate cylinder free end 5, and detection box 6 can be made to move up process
In it is more stable, thus will test cabinet 6 stabilization be moved to detecting state；
Screw rod 14 and 6 contact position of detection box are equipped with bearing 30.
6 two sides of detection box offer limiting slot 31, are equipped with limited block 32, limited block 32 and buffer bar 33 in limiting slot 31
Connection, two 33 tops of buffer bar are connect with shield 34 jointly, and 34 two sides of shield are equipped with wear-resistant pad 35, wear-resistant pad 35 and protecting box
The fitting setting of body 4, when stopping detection, shield 34 and protection box body 4 form sealing space, to guarantee that detection box 6 is being protected
It is not destroyed by external interference in shield box body 4, improves the service life of device, while in protection cabinet 4, it is dry not will receive dust
It disturbs, so that place still can precisely detect for a long time；
32 bottom end of limited block is connect by buffer spring 36 with limiting slot 31.
Dust processing mechanism 17 includes installs case 1701, and installs case 1701 connect with movable plate 16, sets in installs case 1701
There is the second driving motor, the second driving motor output shaft is connected with gear 1702, and gear 1702 is connect with rack gear 1703, rack gear
1703 both ends pass through installs case 1701 and are equipped with installing port, and connect with bar 1704 is coordinated, and two coordination bars 1704 are connected with jointly
Dust removal brush `1705；Start the second driving motor, gear 1702 rotates, and gear 1702 is engaged with rack gear 1703, thus gear 1702
It is moved up and down in installing port, then dust removal brush `1705 can clean basket strainer 9；
It is equipped with sliding slot 1706 in installs case 1701, slidably connects sliding block 1707, sliding block 1707 and rack gear in sliding slot 1706
The connection of 1702 sides.
The working principle of the invention is: starting cylinder 5,5 free end of cylinder are connect with detection box 6, the first telescopic rod 28
Cooperate cylinder free end 5 with the second telescopic rod 29, detection box 6 can be made more stable during moving up, to will test
Cabinet 6, which is stablized, is moved to detecting state, and starting air inducing fan 19, external air flow enters test chamber 12, test chamber 12 by air inlet 7
Interior to be equipped with methylene oxide detecting instrument 24,24 PARA FORMALDEHYDE PRILLS(91,95) concentration of methylene oxide detecting instrument is detected, and basket strainer 9, basket strainer are equipped at air inlet 7
The filtering of 9 pairs of dusts has served as dust on filter screen amount and has been greater than alarm difference block setting numerical value, processing module control the first driving motor,
Dust processing mechanism handles dust, starts the first driving motor 13, and screw rod 14 rotates, and spiral shell block 15 is mobile, passes through control
First driving motor, 13 positive and negative rotation realizes that movable plate 16 close to basket strainer, starts the second driving motor, gear 1702 rotates, gear
1702 engage with rack gear 1703, so that gear 1702 is moved up and down in installing port, then dust removal brush `1705 can be clear to basket strainer 9
It sweeps, in 9 cleaning process of basket strainer, starts air blower 21, dust is entered in collecting box 20 by collecting hood 23, collecting pipe 22, reached
To dust removal effect, facilitate continue to use next time.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of formaldehyde pernicious gas intelligent testing and warning system, which is characterized in that including formaldehyde examination device, control system and
Monitoring and alarming system；The formaldehyde examination device includes pedestal, and base bottom is equipped with wheel, and pedestal is equipped with protection box body, protects
It is opening-like to protect box body top, protection box body bottom is equipped with cylinder, and cylinder free end is connect with detection box, detection box side
Equipped with air inlet, the other side be equipped with can closing air outlet, air inlet is equipped with basket strainer, is equipped with partition, partition in detection box
It will test cabinet and be divided into dedusting chamber and test chamber, partition is in being symmetrically arranged with the first driving motor, the first driving motor in test chamber
Output is connected with screw rod, and spiral shell block is arranged on two screw rods, and two spiral shell blocks are connected with movable plate jointly, and movable plate leans on basket strainer one
Side is equipped with dust processing mechanism, and partition middle is equipped with air-vent, is equipped with air inducing at air-vent and fans, set at the top of the detection box
There is collecting box, collecting box is connected to air blower, and air blower is connected to by collecting pipe with the intracavitary collecting hood of dedusting, in the test chamber
Equipped with methylene oxide detecting instrument；
The control system includes that comparator, MCU module and alarm difference block, formaldehyde examination device output end pass through comparator
It is connect with MCU module, MCU module output end is connect with alarm difference block, the data that alarm difference block transmits MCU module
It is compared with preset value, is transmitted further to monitoring and alarming system, monitoring and alarming system includes processing module, alarm module and display
Module, the processing module, for controlling dust on processing filter screen, alarm module reaches preset value for content of formaldehyde concentration
Carry out alert process, display module, for showing the concentration of formaldehyde numerical value of formaldehyde examination device measurement.
2. a kind of formaldehyde pernicious gas intelligent testing and warning system according to claim 1, which is characterized in that the MCU
Module can detect formaldehyde examination device compared with concentration of formaldehyde data set numerical value with alarm difference block, can also will be on filter screen
Amount of dust sets number compared with difference block of alarming, when formaldehyde examination device detection concentration of formaldehyde data are greater than alarm difference block
According to monitoring and alarming system carries out alert process by alarm module, has served as dust on filter screen amount and has been greater than alarm difference block setting number
Value, processing module controls the first driving motor, dust processing mechanism handles dust.
3. a kind of formaldehyde pernicious gas intelligent testing and warning system according to claim 1, which is characterized in that the cylinder
Free end two sides pass through first connecting rod respectively, second connecting rod is connect with the first telescopic rod, the second telescopic rod.
4. a kind of formaldehyde pernicious gas intelligent testing and warning system according to claim 1, which is characterized in that the screw rod
Bearing is equipped with detection box contact position.
5. a kind of formaldehyde pernicious gas intelligent testing and warning system according to claim 1, which is characterized in that the detection
Cabinet two sides offer limiting slot, are equipped with limited block in limiting slot, limited block is connect with buffer bar, and two buffer bar tops are common
It is connect with shield, shield two sides are equipped with wear-resistant pad, and wear-resistant pad and protecting box, which are shown consideration for, closes setting.
6. a kind of formaldehyde pernicious gas intelligent testing and warning system according to claim 5, which is characterized in that the limit
Block bottom end is connect by buffer spring with limiting slot.
7. a kind of formaldehyde pernicious gas intelligent testing and warning system according to claim 1, which is characterized in that the dust
Processing mechanism includes installs case, and installs case is connect with movable plate, and the second driving motor is equipped in installs case, and the second driving motor is defeated
Shaft is connected with gear, wheel and rack connection, and rack gear both ends pass through installs case and are equipped with installing port, and connect with bar is coordinated, two
A coordination bar is connected with dust removal brush jointly.
8. a kind of formaldehyde pernicious gas intelligent testing and warning system according to claim 7, which is characterized in that the installation
It is equipped with sliding slot in case, slidably connects sliding block in sliding slot, sliding block is connect with rack gear side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910518479.0A CN110136397A (en) | 2019-06-15 | 2019-06-15 | A kind of formaldehyde pernicious gas intelligent testing and warning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910518479.0A CN110136397A (en) | 2019-06-15 | 2019-06-15 | A kind of formaldehyde pernicious gas intelligent testing and warning system |
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| Publication Number | Publication Date |
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| CN110136397A true CN110136397A (en) | 2019-08-16 |
Family
ID=67577365
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|---|---|---|---|
| CN201910518479.0A Pending CN110136397A (en) | 2019-06-15 | 2019-06-15 | A kind of formaldehyde pernicious gas intelligent testing and warning system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111751495A (en) * | 2020-06-12 | 2020-10-09 | 厦门镍森环保科技有限公司 | Outdoor air environment detection device based on internet |
| CN113237999A (en) * | 2021-04-18 | 2021-08-10 | 鲁文英 | Voc online monitoring system and monitoring method thereof |
| CN113447611A (en) * | 2021-05-20 | 2021-09-28 | 南京云联信息科技有限公司 | Gas detection early warning system and device based on industrial internet |
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Effective date of registration: 20200730 Address after: 221400 e-commerce Industrial Park, Xin'an street, Xin'an street, Xinbei West Road, Xinyi City, Xuzhou City, Jiangsu Province Applicant after: Xinyi Xinnan Environmental Protection Industry Technology Research Institute Co.,Ltd. Address before: 221400 No. 3 Workshop of Wayao Town Industrial Park, Xinyi City, Xuzhou City, Jiangsu Province Applicant before: Xuzhou Hengbao Safety Equipment Co.,Ltd. |
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Application publication date: 20190816 |
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