CN110487965A - A kind of monitoring detection device of indoor formaldehyde concentration - Google Patents
A kind of monitoring detection device of indoor formaldehyde concentration Download PDFInfo
- Publication number
- CN110487965A CN110487965A CN201910769097.5A CN201910769097A CN110487965A CN 110487965 A CN110487965 A CN 110487965A CN 201910769097 A CN201910769097 A CN 201910769097A CN 110487965 A CN110487965 A CN 110487965A
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- Prior art keywords
- cabinet
- pipe
- cavity
- detection device
- extension pipe
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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
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- 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
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
- G01N2001/245—Fans
Abstract
The present invention relates to indoor formaldehyde concentration detection technique fields, the monitoring detection device of specially a kind of indoor formaldehyde concentration, including cabinet, the upper surface side of the cabinet is equipped with operation bench, and the upper surface of cabinet is equipped with display screen close to the side of operation bench, the upper surface of the cabinet is equipped with alarm device close to the other side of operation bench, and connecting tube is equipped at a side position of the upper end approach alarm device of cabinet, and the upper end perforation of the connecting tube is connected with extension pipe.The quantity that the present invention passes through increase extension pipe, the concentration of formaldehyde of gas in indoor different height space can be detected, and cooperate the use of heating plate, small-sized refrigerator and circulation, it may be implemented to control the temperature for being pumped into air, ensure the accuracy of formaldehyde examination concentration, reduce influence of the temperature change to detection data, while solving Handheld formaldehyde detector in the market, the problem for causing detection data inaccurate because of environmental change factor.
Description
Technical field
The present invention relates to indoor formaldehyde concentration detection technique field, the monitoring detection of specifically a kind of indoor formaldehyde concentration is set
It is standby.
Background technique
Being constantly progressive and develop with society, the construction of residential quarters and commercial building is more and more, and people
Pattern and environment to interior decoration suffer from higher requirement, and then the finishing material pollution after interior decoration is also people
Key object of interest, indoor pollutant are broadly divided into formaldehyde, benzene, ammonia and four kinds of radon, and wherein formaldehyde is in Chinese toxic chemical
It is in second on product priority acccess control list, be determined as carcinogenic by the World Health Organization and causes deformed material.Formaldehyde is main
From indoor building material and furniture, Long Term Contact low dosage formaldehyde can cause various chronic respiratory diseases, cause green few
Year memory and intelligence decline cause nasopharyngeal carcinoma, colon brain tumor, cell nucleus gene mutation, inhibit DNA damage reparation, menstruation disorderly
Unrest, pregnancy syndrome, neonatal chromosome disorder, it might even be possible to leukemogenesis.In all contactees, children pregnant woman and old
Year, people's PARA FORMALDEHYDE PRILLS(91,95) was particularly sensitive, and harm is also just bigger.It follows that indoor air quality detects, concentration of formaldehyde detection is very heavy
It wants.
Chinese patent discloses a kind of Formaldehyde device (Authorization Notice No. with sucker fixing
CN104515541A), which can be secured the device on wall or furniture by sucker, so that monitoring data are more
Accurately, fixed is also aloft people's observed number according to providing convenience, but also taking and fixing more convenient, but the patent
And indoor formaldehyde concentration detection device in the market is combined to be analyzed, it is directed to the detection of indoor formaldehyde concentration currently on the market
Equipment is excessively simple and crude, and the accuracy detected is not high enough, is easy the temperature change by room air and causes to the result of detection
It influences, and existing indoor formaldehyde concentration detection device majority can not accurately detect air institute in indoor different height space
The concentration of formaldehyde value contained, therefore, those skilled in the art provide a kind of monitoring detection device of indoor formaldehyde concentration, to solve
The problems mentioned above in the background art.
Summary of the invention
The purpose of the present invention is to provide a kind of monitoring detection devices of indoor formaldehyde concentration, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of monitoring detection device of indoor formaldehyde concentration,
Including cabinet and positioned at the idler wheel of four corners in cabinet lower end, the one side upper end of the cabinet is connected with push rod, described
The upper surface side of cabinet is equipped with operation bench, and the upper surface of cabinet is equipped with display screen close to the side of operation bench, described
The upper surface of cabinet is equipped with alarm device close to the other side of operation bench, and at a side position of the upper end approach alarm device of cabinet
Connecting tube is installed, the upper end perforation of the connecting tube is connected with extension pipe, and the one side perforation of the extension pipe is connected with pumping
Port, one end of the bleeding point are provided with control valve, and the front surface of the cabinet is equipped with chamber door, and the inside setting of cabinet
There is a battery, the side for being internally located at battery of the cabinet is equipped with small-sized refrigerator, and cabinet is internally located at electric power storage
Formaldehyde monitor is installed, the inside of the cabinet is equipped with cavity, the chamber close to the side of small-sized refrigerator on rear side of pond
The upper end of body is provided with air inlet fan.
As a further solution of the present invention: the upper port of the extension pipe offers internal thread hole, and under extension pipe
Port is connected with threaded rod, and the upper port of the extension pipe is connected with blocking cap, the blocking cap and internal thread hole by internal thread hole
It is adapted, the upper port inner sidewall and the inner sidewall of internal thread hole of the connecting tube and the outer surface of threaded rod are provided with spiral shell
The upper port of line, the internal thread hole and connecting tube matches with threaded rod.
As the present invention further scheme: the extension pipe at least provided with three, extension pipe described in every two it
Between be threadedly coupled by threaded rod and internal thread hole, be threadedly coupled between the extension pipe and connecting tube.
As further scheme of the invention: the output end perforation of the air inlet fan is connected with blast pipe, the air inlet
One end of pipe extends to the inside of cavity, and the input terminal of the air inlet fan and one end of connecting tube penetrate through and connect, and air inlet fan with
Cavity is penetrated through by blast pipe and is connected.
As further scheme of the invention: the cavity is internally provided with heating plate, and the inner bottom of cavity
It is provided with bottom plate, temperature sensor is installed, and the inner sidewall of cavity is provided with strainer at the interior corners of the cavity, it is described
The lateral wall of cavity, which corresponds to run through at the position of strainer, exhaust pipe.
As further scheme of the invention: one end through cavities of the exhaust pipe extends to inside, the strainer
Positioned at the Single port of exhaust pipe, it is component hollow, that upper surface is grid, the rear table of the cavity that the bottom plate, which is a kind of inside,
Face and formaldehyde monitor are penetrated through by pipeline to be connected.
As further scheme of the invention: the inside of the bottom plate is evenly distributed circulation pipe, the small-sized refrigerating
One end of machine is provided with outlet pipe, and one end of small-sized refrigerator is equipped with return pipe at a side position of outlet pipe, institute
The one end and outlet pipe perforation for stating circulation pipe connect, and the other end of circulation pipe and return pipe perforation connect.
As further scheme of the invention: being provided with shaft, and the ruler of display screen between the display screen and cabinet
Very little to be adapted with the size of operation bench, the alarm device, air inlet fan, small-sized refrigerator, formaldehyde monitor pass through with operation bench
Conducting wire connection.
Compared with prior art, the beneficial effects of the present invention are: the present invention devises a kind of monitoring of indoor formaldehyde concentration
Detection device increases the quantity of extension pipe, and then convenient pair by extracting according to the air of different height in practical operation
The air of different height is extracted, it is ensured that the concentration of formaldehyde of gas in indoor different height space can be detected, from
And the comprehensive concentration of formaldehyde in interior space gas may be implemented and measure, it is ensured that detection it is comprehensive, and cooperate
The use of heating plate, small-sized refrigerator and circulation may be implemented to control the temperature for being pumped into air, it is ensured that formaldehyde examination is dense
The accuracy of degree reduces influence of the temperature change to detection data, while solving Handheld formaldehyde detector in the market, because
The problem that environmental change factor causes detection data inaccurate, the design is not only easy to operate, at low cost, detects accuracy
It is high.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the monitoring detection device of indoor formaldehyde concentration；
Fig. 2 is the structural schematic diagram of extension pipe in a kind of monitoring detection device of indoor formaldehyde concentration；
Fig. 3 is the schematic diagram of internal structure of cabinet in a kind of monitoring detection device of indoor formaldehyde concentration；
Fig. 4 is the schematic diagram of internal structure of cavity in a kind of monitoring detection device of indoor formaldehyde concentration；
Fig. 5 is the mounting structure schematic diagram of circulation pipe in a kind of monitoring detection device of indoor formaldehyde concentration.
In figure: 1, cabinet；2, idler wheel；3, push rod；4, operation bench；5, display screen；6, bleeding point；7, control valve；8, it lengthens
Pipe；81, threaded rod；82, internal thread hole；83, blocking cap；9, connecting tube；10, alarm device；11, chamber door；12, air inlet fan；13, chamber
Body；14, small-sized refrigerator；15, battery；16, formaldehyde monitor；17, blast pipe；131, heating plate；132, bottom plate；133, warm
Spend sensor；134, strainer；135, exhaust pipe；141, outlet pipe；142, return pipe；143, circulation pipe.
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 every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~5, in the embodiment of the present invention, a kind of monitoring detection device of indoor formaldehyde concentration, including cabinet 1
And the idler wheel 2 positioned at 1 four corners in lower end of cabinet, the one side upper end of cabinet 1 are connected with push rod 3, the upper surface of cabinet 1
Side is equipped with operation bench 4, and the upper surface of cabinet 1 is equipped with display screen 5, the upper surface of cabinet 1 close to the side of operation bench 4
The other side close to operation bench 4 is equipped with alarm device 10, and is equipped at a side position of the upper end approach alarm device 10 of cabinet 1
Connecting tube 9, the upper end perforation of connecting tube 9 are connected with extension pipe 8, and the one side perforation of extension pipe 8 is connected with bleeding point 6, is evacuated
Mouthfuls 6 one end is provided with control valve 7, the front surface of cabinet 1 is equipped with chamber door 11, and cabinet 1 is internally provided with battery 15,
The side for being internally located at battery 15 of cabinet 1 is equipped with small-sized refrigerator 14, and cabinet 1 be internally located at battery 15 after
Side is equipped with formaldehyde monitor 16, and the inside of cabinet 1 is equipped with cavity 13 close to the side of small-sized refrigerator 14, cavity 13 it is upper
End is provided with air inlet fan 12, and shaft, and the size of the size of display screen 5 and operation bench 4 are provided between display screen 5 and cabinet 1
It is adapted, alarm device 10, air inlet fan 12, small-sized refrigerator 14, formaldehyde monitor 16 are connect with operation bench 4 by conducting wire, In
The device when not in use, can by shaft by 5 rotary folding of display screen on operation bench 4, and then packed up.
The upper port of extension pipe 8 offers internal thread hole 82, and the lower port of extension pipe 8 is connected with threaded rod 81, lengthens
The upper port of pipe 8 is connected with blocking cap 83 by internal thread hole 82, and blocking cap 83 is adapted with internal thread hole 82, the upper end of connecting tube 9
Mouth inner sidewall and the inner sidewall of internal thread hole 82 and the outer surface of threaded rod 81 are provided with screw thread, internal thread hole 82 and connection
The upper port of pipe 9 matches with threaded rod 81, and extension pipe 8 passes through screw thread between every two extension pipe 8 at least provided with three
Bar 81 and internal thread hole 82 are threadedly coupled, and are threadedly coupled between extension pipe 8 and connecting tube 9, in the detection device to indoor lower
When formaldehyde in space is detected, it can use the upper port that extension pipe 8 is screwed in connecting tube 9 by threaded rod 81, then will block up
Cap 83 is screwed on the internal thread hole 82 of 8 upper end of extension pipe, when if desired detecting to the formaldehyde in indoor eminence space, by blocking cap
83 twist off, another extension pipe 8 are twisted into two parts in the internal thread hole 82 of first 8 upper end of extension pipe by threaded rod 81, Jin Erke
Constantly to install extension pipe 8 additional according to the height needed for oneself, when being lengthened to suitable position, blocking cap 83 is got lodged in the one of the top
In the internal thread hole 82 of a 8 upper end of extension pipe, it is ensured that the leakproofness of extension pipe 8, and then by the sky in different height space
When gas is extracted, corresponding control valve 7 is opened, and then cooperates the bleeding point at corresponding height space using air inlet fan 12
6 are evacuated, and are introduced the gas of suction in cavity 13 by extension pipe 8 and connecting tube 9, facilitate detection.
The output end perforation of air inlet fan 12 is connected with blast pipe 17, and one end of blast pipe 17 extends to the inside of cavity 13,
The input terminal of air inlet fan 12 and one end of connecting tube 9 penetrate through and connect, and air inlet fan 12 and cavity 13 are connected by the perforation of blast pipe 17
It connects, is drained into the air being pumped by bleeding point 6 in blast pipe 17 by extension pipe 8 and connecting tube 9 using air inlet fan 12, then pass through
It crosses blast pipe 17 air of suction is drained into inside cavity 13, and then facilitates using formaldehyde monitor 16 to the sky in cavity 13
Concentration of formaldehyde in gas is detected, and the data that formaldehyde monitor 16 can will test are transferred to operation bench 4, by operation bench 4
Received data are shown by display screen 5 after treatment, convenient for the reading of staff.
Cavity 13 is internally provided with heating plate 131, and the inner bottom of cavity 13 is provided with bottom plate 132, cavity 13
Temperature sensor 133 (model PT100) is installed, and the inner sidewall of cavity 13 is provided with strainer 134, cavity at interior corners
13 lateral wall is corresponded to through there is exhaust pipe 135 at the position of strainer 134, and one end through cavities 13 of exhaust pipe 135 extends to
Inside, strainer 134 are located at the Single port of exhaust pipe 135, and it is component hollow, that upper surface is grid that bottom plate 132, which is a kind of inside,
The rear surface and formaldehyde monitor 16 of cavity 13 are penetrated through by pipeline to be connected, after indoor gas is pumped into cavity 13, benefit
With 133 real-time monitoring of temperature sensor in cavity 13, its internal air themperature passes through behaviour if temperature is lower than assigned temperature
Control platform 4 (being internally provided with STM32 control chip) control heating plate 131 heats, and rises to the temperature inside cavity 13 suitably
Temperature, the accuracy for facilitating concentration of formaldehyde to monitor after the gas after detection is filtered by strainer 134, then pass through exhaust pipe 135
Cavity 13 is discharged in (gas valve is provided at nozzle).
The inside of bottom plate 132 is evenly distributed circulation pipe 143, and one end of small-sized refrigerator 14 is provided with outlet pipe 141, and
One end of small-sized refrigerator 14 is equipped with return pipe 142 at a side position of outlet pipe 141, one end of circulation pipe 143 with
The perforation connection of outlet pipe 141, and the other end of circulation pipe 143 and the perforation of return pipe 142 connect, and are pumped into cavity 13 by gas
When, if temperature is higher than assigned temperature, small-sized refrigerator 14 can be controlled by operation bench 4 and worked, small-sized refrigerator 14 can incite somebody to action
Condensate liquid is drained into circulation pipe 143 by outlet pipe 141, and the lower condensate liquid of temperature is in the circulation pipe by 13 bottom of cavity
It when 143, can be in contact with the high temperature air in cavity 13, then the low condensate liquid of temperature passes through the height of circulation pipe 143 and outside
Wet body carries out cold and hot exchange and absorbs the condensate liquid of heat by the another of circulation pipe 143 to absorb the heat of high-temperature gas
Return pipe 142 is flowed back at end, then again flows into small-sized refrigerator 14, further forms refrigeration cycle, convenient to cavity
High-temperature gas in 13 carries out circulation temperature lowering, until reaching suitable temperature, it is ensured that the air themperature being pumped into cavity 13 is referring to
Determine in range, further increases the accuracy of detection of air formaldehyde concentration.
The working principle of the invention is: the present invention is before use, by being screwed in connecting tube for extension pipe 8 using threaded rod 81
When if desired detecting to the formaldehyde in indoor eminence space, another extension pipe 8 is twisted by threaded rod 81 for 9 upper port
In the internal thread hole 82 of disconnected first 8 upper end of extension pipe, and then extension pipe 8 can constantly be installed additional according to the height needed for oneself,
When being lengthened to suitable position, blocking cap 83 is got lodged in the internal thread hole 82 of 8 upper end of extension pipe of the top, it is ensured that lengthen
The leakproofness of pipe 8, and then by being extracted to the air in different height space, it is convenient in indoor different height space
The comparison of concentration of formaldehyde value；
When in use, it controls air inlet fan 12 by operation bench 4 to work, the sky that will be pumped by bleeding point 6 by air inlet fan 12
Gas is drained into blast pipe 17 by extension pipe 8 and connecting tube 9, and the air of suction is drained into cavity 13 using blast pipe 17
Inside, and then facilitate and the concentration of formaldehyde in the air in cavity 13 is detected using formaldehyde monitor 16, and utilize cavity
The gas temperature angle value in 133 moment of temperature sensor monitoring cavity 13 in 13；
If temperature is lower than assigned temperature, heating plate 131 is controlled by operation bench 4 and is heated, the temperature inside cavity 13 is made
Suitable temperature is risen to, if temperature is higher than assigned temperature, small-sized refrigerator 14 can be controlled by operation bench 4 and worked, it is small-sized
Condensate liquid can be drained into circulation pipe 143 by refrigeration machine 14 by outlet pipe 141, and the lower condensate liquid of temperature is passing through 13 bottom of cavity
It when the circulation pipe 143 in portion, can be in contact with the high temperature air in cavity 13, then the low condensate liquid of temperature passes through circulation pipe 143
With the high-temperature gas of outside carry out it is cold and hot exchange, it is convenient to the high-temperature gas in cavity 13 to absorb the heat of high-temperature gas
Circulation temperature lowering is carried out, until reach suitable temperature, it is ensured that the air themperature being pumped into cavity 13 within the specified range, further
The accuracy of detection for improving air formaldehyde concentration, when the data that formaldehyde monitor 16 detects are transferred to the control in operation bench 4
Chip is shown, and then facilitate staff to indoor formaldehyde concentration after controlling chip processing by display screen 5
Data value compares, and when the concentration of formaldehyde detected is excessively high, the control chip in operation bench 4 can control alarm at once
Device 10 sounds an alarm, and then improves staff, and it is excessively high to detect indoor concentration of formaldehyde, is not easy tent, the design is not only
Easy to operate and at low cost, the accuracy of detection is high, may be implemented to the concentration of formaldehyde in indoor different height space gases
Detected, it is ensured that detection it is comprehensive, and then facilitate staff that can understand indoor concentration of formaldehyde situation in real time.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of monitoring detection device of indoor formaldehyde concentration, including cabinet (1) and it is located at cabinet (1) lower end four corner
Idler wheel (2), the one side upper end of the cabinet (1) is connected with push rod (3), which is characterized in that the upper surface of the cabinet (1)
Side is equipped with operation bench (4), and the upper surface of cabinet (1) is equipped with display screen (5) close to the side of operation bench (4), described
The upper surface of cabinet (1) is equipped with alarm device (10) close to the other side of operation bench (4), and the upper end approach alarm of cabinet (1)
It is equipped at one side position of device (10) connecting tube (9), the upper end perforation of the connecting tube (9) is connected with extension pipe (8), described
The one side perforation of extension pipe (8) is connected with bleeding point (6), and one end of the bleeding point (6) is provided with control valve (7), described
The front surface of cabinet (1) is equipped with chamber door (11), and cabinet (1) is internally provided with battery (15), the cabinet (1) it is interior
The side that portion is located at battery (15) is equipped with small-sized refrigerator (14), and cabinet (1) be internally located at battery (15) after
Side is equipped with formaldehyde monitor (16), and the inside of the cabinet (1) is equipped with cavity close to the side of small-sized refrigerator (14)
(13), the upper end of the cavity (13) is provided with air inlet fan (12).
2. a kind of monitoring detection device of indoor formaldehyde concentration according to claim 1, which is characterized in that the extension pipe
(8) upper port offers internal thread hole (82), and the lower port of extension pipe (8) is connected with threaded rod (81), the extension pipe
(8) upper port is connected with blocking cap (83) by internal thread hole (82), and the blocking cap (83) is adapted with internal thread hole (82), institute
The outer surface for stating the upper port inner sidewall of connecting tube (9) and the inner sidewall of internal thread hole (82) and threaded rod (81) is provided with
The upper port of screw thread, the internal thread hole (82) and connecting tube (9) matches with threaded rod (81).
3. a kind of monitoring detection device of indoor formaldehyde concentration according to claim 2, which is characterized in that the extension pipe
(8) at least provided with three, connected between extension pipe described in every two (8) by threaded rod (81) and internal thread hole (82) screw thread
It connects, is threadedly coupled between the extension pipe (8) and connecting tube (9).
4. a kind of monitoring detection device of indoor formaldehyde concentration according to claim 1, which is characterized in that the air inlet fan
(12) output end perforation is connected with blast pipe (17), and one end of the blast pipe (17) extends to the inside of cavity (13), institute
One end perforation of the input terminal and connecting tube (9) of stating air inlet fan (12) connects, and air inlet fan (12) and cavity (13) pass through air inlet
Manage (17) perforation connection.
5. a kind of monitoring detection device of indoor formaldehyde concentration according to claim 1, which is characterized in that the cavity
(13) be internally provided with heating plate (131), and the inner bottom of cavity (13) is provided with bottom plate (132), the cavity (13)
Interior corners at be equipped with temperature sensor (133), and the inner sidewall of cavity (13) is provided with strainer (134), the cavity
(13) lateral wall, which corresponds to run through at the position of strainer (134), exhaust pipe (135).
6. a kind of monitoring detection device of indoor formaldehyde concentration according to claim 5, which is characterized in that the exhaust pipe
(135) one end through cavities (13) extends to inside, and the strainer (134) is located at the Single port of exhaust pipe (135), the bottom
It is component hollow, that upper surface is grid, the rear surface and formaldehyde monitor of the cavity (13) that plate (132), which is a kind of inside,
(16) it is penetrated through and is connected by pipeline.
7. a kind of monitoring detection device of indoor formaldehyde concentration according to claim 5, which is characterized in that the bottom plate
(132) inside is evenly distributed to be had circulation pipe (143), and one end of the small-sized refrigerator (14) is provided with outlet pipe (141), and
One end of small-sized refrigerator (14) is equipped with return pipe (142), the circulation pipe at a side position of outlet pipe (141)
(143) one end and outlet pipe (141) perforation connects, and the other end of circulation pipe (143) and return pipe (142) perforation connect.
8. a kind of monitoring detection device of indoor formaldehyde concentration according to claim 1, which is characterized in that the display screen
(5) shaft is provided between cabinet (1), and the size of display screen (5) is adapted with the size of operation bench (4), the alarm
Device (10), air inlet fan (12), small-sized refrigerator (14), formaldehyde monitor (16) are connect with operation bench (4) by conducting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769097.5A CN110487965A (en) | 2019-08-20 | 2019-08-20 | A kind of monitoring detection device of indoor formaldehyde concentration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769097.5A CN110487965A (en) | 2019-08-20 | 2019-08-20 | A kind of monitoring detection device of indoor formaldehyde concentration |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114354883A (en) * | 2020-10-12 | 2022-04-15 | 本田技研工业株式会社 | Fuel selection evaluation device |
| CN114814101A (en) * | 2022-04-26 | 2022-07-29 | 江苏徐海环境监测有限公司 | Indoor environment monitoring equipment |
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| CN205898757U (en) * | 2016-06-28 | 2017-01-18 | 河南省建筑科学研究院有限公司 | Room air formaldehyde monitoring devices |
| CN105974068A (en) * | 2016-06-30 | 2016-09-28 | 东莞市升微机电设备科技有限公司 | Detection system for formaldehyde and volatile organic compound (VOC) in upholstered furniture and material |
| CN106093311A (en) * | 2016-08-08 | 2016-11-09 | 北京市产品质量监督检验院 | Abnormal smells from the patient, VOC and floating harmful substance test device |
| CN206793357U (en) * | 2017-05-02 | 2017-12-26 | 广州绿恒环保科技有限公司 | A kind of indoor formaldehyde exhaust gas purification device |
| CN207067083U (en) * | 2017-06-19 | 2018-03-02 | 长沙尚洁环保科技有限公司 | Portable formaldehyde detection instrument |
| CN107966532A (en) * | 2017-12-08 | 2018-04-27 | 东莞市升微机电设备科技有限公司 | Simple cabin is tested and pre-processed to formaldehyde or VOC burst sizes |
| CN207762504U (en) * | 2018-01-05 | 2018-08-24 | 四川众望安全环保技术咨询有限公司 | A kind of Formaldehyde instrument |
| CN208270542U (en) * | 2018-06-26 | 2018-12-21 | 广州绿蔓环保科技有限公司 | A kind of mobile bracket fixed convenient for methylene oxide detecting instrument |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114354883A (en) * | 2020-10-12 | 2022-04-15 | 本田技研工业株式会社 | Fuel selection evaluation device |
| CN114814101A (en) * | 2022-04-26 | 2022-07-29 | 江苏徐海环境监测有限公司 | Indoor environment monitoring equipment |
| CN114814101B (en) * | 2022-04-26 | 2023-08-18 | 江苏徐海环境监测有限公司 | Indoor environment monitoring equipment |
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