CN201421449Y - Device for measuring formaldehyde gas absorbed by plants real-timely and quantificationally - Google Patents
Device for measuring formaldehyde gas absorbed by plants real-timely and quantificationally Download PDFInfo
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- CN201421449Y CN201421449Y CN2009201115280U CN200920111528U CN201421449Y CN 201421449 Y CN201421449 Y CN 201421449Y CN 2009201115280 U CN2009201115280 U CN 2009201115280U CN 200920111528 U CN200920111528 U CN 200920111528U CN 201421449 Y CN201421449 Y CN 201421449Y
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 362
- 239000011521 glass Substances 0.000 claims description 67
- 238000000034 method Methods 0.000 claims description 8
- 206010020852 Hypertonia Diseases 0.000 claims description 7
- 238000010009 beating Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000005286 illumination Methods 0.000 claims description 4
- 239000007943 implant Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005086 pumping Methods 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
- 230000000740 bleeding effect Effects 0.000 description 6
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 6
- 238000011897 real-time detection Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000002798 spectrophotometry method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000004587 chromatography analysis Methods 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000002848 electrochemical method Methods 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000272525 Anas platyrhynchos Species 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000012113 quantitative test Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model relates to a device for measuring the formaldehyde gas absorbed by plants real-timely and quantificationally, which overcomes the defects in the prior art and has air pumping and exhaust functions. Air in the environment can be pumped into a box; a fan in the box can rotate to perform stirring, so that the concentration of formaldehyde in the air in the box is under a more uniform state; the air in the environment flows and circulates continuously through air pumping and exhaust; the characteristics of a formaldehyde sensor is put into full play and utilized; when the contentof the formaldehyde gas in the box changes, signals are sent to a control cabinet or to a computer to be displayed via the formaldehyde sensor and a transducer; therefore, the concentration of the formaldehyde gas in the box can be detected real-timely; and the detected data is accurate.
Description
Technical field:
The utility model device belongs to the technical field that detects the airborne gas formaldehyde capability device of plant absorbing, is specifically related to a kind of device that real-time quantitative is measured the airborne gas formaldehyde of plant absorbing that is suitable for.
Background technology:
Because the raising of people's living standard, in the civil nature chemical product inlet chambers such as a large amount of volatilizable various building materialss that go out objectionable impurities formaldehyde, ornament materials, wood-based plate furniture, make people contact the chance showed increased of formaldehyde, formaldehyde has become room air pollution and has generally acknowledged the most representative chemical substance.The chemical property of formaldehyde is very active, therefore, can adopt multiple quantitative analysis method to measure formaldehyde.Comprising analysis by titration, spectrophotometric method, chromatography, electrochemical methods and instrument monitoring method.Often there are problems such as interference is many, instability in electrochemical methods, is used less so make.Adopt analysis by titration to carry out quantitative test when free formaldehyde concentration is higher, spectrophotometric method, chromatography, instrument detecting etc. are then adopted in the analysis of trace formaldehyde, and are convenient and practical with spectrophotometric method especially.
A lot of results of study proves that all plant can absorb airborne gas formaldehyde.Though it is a lot of to measure the method for concentration of formaldehyde, at present both at home and abroad also some accurately and reliably, the analytical approach of simple and easy to do room air content of formaldehyde again, the device and the instrument of the airborne gas formaldehyde of The real time measure plant absorbing almost do not have.When research plant absorbing formaldehyde ability, most way is: plant is contained in one seals or have in the glass box of one or two duck eye, then highly concentrated formaldehyde solution is put into the glass box volatilization and produce gas formaldehyde, or throw in the glass box with the syringe holder formaldehyde gas, from glass box, extract the concentration of portion of air after a while out, investigate the receptivity of plant PARA FORMALDEHYDE PRILLS(91,95) with gas formaldehyde in the formaldehyde determination instrument mensuration glass box.These instruments and device can detect is plant to the manual method generation or be injected at the absorption of the high-concentration formaldehyde in a certain environment, can't measure the receptivity of plant to gas formaldehyde in the true environment.These instruments are too simple with device, not circulation of air in the glass box, and formaldehyde can not evenly spread, and adds that the transpiration generation water vapor of plant forms water easily, also can absorb formaldehyde, so the data of measuring are very inaccurate, does not also accomplish real-time detection.
Summary of the invention:
The purpose of this utility model is to solve the deficiency that above-mentioned prior art exists, and invents the device that a kind of real-time quantitative is measured gas formaldehyde in the plant absorbing air, and this device mainly is made up of two parts: glass box and switch board that the dress plant is used.The deficiencies in the prior art have been overcome, have and bleed and degassing function, make the air in the environment can enter in the case by bleeding, fan in the case rotates has beating action, make the interior air formaldehyde concentration of case be in state uniformly, by bleed and exhaust environmental air can constantly be flowed and circulate, give full play to and utilize the characteristic of formaldehyde sensor, the variation of gas formaldehyde content is by formaldehyde sensor and transmitter in the case, signal is delivered to switch board or computer shows, the concentration of gas formaldehyde in the detection case in real time, determination data is accurate.
The purpose of this utility model is achieved in that this device mainly is made up of two parts: glass box and switch board that the dress plant is used.All adopt glass to make with cover plate up and down around the casing used of dress plant, whole box body is placed on the dolly that four universal wheels are housed, convenient moving, and chest adopts button fly front closed.Illuminating lamp is housed for plant daylighting in the case, the intensity of illumination classification is regulated.The case both sides are equipped with air intake opening and exhausr port respectively, and are installed into air valve and vent valve on the inlet and outlet pipeline.Air inlet and exhaust are operated by control panel, and air inlet, exhaust control can be carried out respectively, also can carry out simultaneously.The case internal pressure is monitored with tensimeter, and tensimeter is installed on upper box part, and the case internal pressure is controlled between the positive and negative 0.03MPa.Gas can carry out closed circulation by air intake pump and off-gas pump in the case, and can filter gas by being installed in two filters between the T-valve in the closed circulation process.T-valve is housed in order to pick out the gas in the pipeline suction sealed environment on pipeline.Formaldehyde sensor, temperature sensor and humidity sensor are housed in glass box, the signal of each sensor enters switch board by signal wire and shows and control, the formaldehyde signal can upload to computing machine by the RS-485/232 bus, so that measurement data is shown, handles, analyzes and stores.
The utility model is measured the device of the airborne gas formaldehyde of plant absorbing at regular time and quantity, comprise air intake pump (1), gas admittance valve (2), tensimeter (3), glass box (4), illuminating lamp (5), fan (6), vent valve (7), universal wheel (8), off-gas pump (9), T-valve (10), switch board (11), glass chamber door (12), plank (13), filtrator (14), formaldehyde sensor (15), Temperature Humidity Sensor (16), all adopt glass to make with cover plate up and down around the casing used of dress plant, whole box body (4) is placed on the dolly that four universal wheels (8) are housed, convenient moving, chest adopt button fly front closed; Illuminating lamp (5) is housed for plant daylighting in the case, the intensity of illumination classification is regulated; The case both sides are equipped with air intake opening (1) and exhausr port (9) respectively, and advancing, be installed into air valve (2) and vent valve (7) on the gas exhaust duct, air inlet and exhaust are operated by control panel, air inlet, exhaust control can be carried out respectively, also can carry out simultaneously, the case internal pressure is monitored with tensimeter (3), tensimeter is installed on upper box part, the case internal pressure is controlled between the positive and negative 0.03MPa, gas can carry out closed circulation by air intake pump (1) and off-gas pump (9) in the case, and in the closed circulation process, can gas be filtered by the filter (14) that is installed between two T-valve (10), T-valve (10) is housed in order to pick out the gas that pollutes in the pipeline suction sealed environment on pipeline, formaldehyde sensor (15) is housed in glass box, temperature sensor (16) and humidity sensor (16), the signal of each sensor enter switch board (11) by signal wire and show and control.
The interior gas formaldehyde content of glass box (4) is by formaldehyde sensor (15) and be contained in the interior transmitter of formaldehyde sensor, signal is delivered to switch board (11) show, detects in real time.
Interior gas temperature of glass box (4) and humidity are delivered to switch board (11) with signal and are shown by temperature, the transmitter (17) of humidity sensor (16) in being contained in temperature, humidity sensor, detect in real time.
Air inflow changes rotating speed by the air inlet blower fan and realizes adjustable continuously, air capacity changes rotating speed by air exhauster and realizes adjustable continuously, regulate (see figure 1) on the panel that button is contained in switch board (11), and show that by signal lamp gas can be realized circulation by two blower fans in the case.
The glass loading pressure can be inspected in real time by the tensimeter (3) that is installed on casing (4) top, when hypertonia or cross when low, controls blower fan automatically and stops.
Gas circulation control is the button by operation switch board (11) in the case, and the rotation of two fans in the glass box (4) makes the interior gas of case form the change of current, realizes that gas componant evenly distributes.
The formaldehyde signal uploads to computing machine by the RS-485/232 bus, and measurement data is shown, handles, analyzes and stores.
The air that contains formaldehyde enters draft tube (2) through air intake pump (1) suction, pass through T-valve (10) then and enter glass box (4), air in the environment is pumped in the glass box (4), by bleeding and exhaust makes that air can constantly flow and circulate in the case, the fan rotation that adds in the top box has beating action, when in air concentration of formaldehyde and the environment in the case quite and close vent valve (7) and gas admittance valve (2) when being in uniformly state, formaldehyde is by plant absorbing gas stops certain hour in case after, the interior gas formaldehyde content of case is by formaldehyde sensor (15) and be contained in the interior transmitter (18) of formaldehyde sensor, signal is delivered to switch board (11) show, in real time the concentration of gas formaldehyde in the detection case; Gas temperature and humidity are delivered to switch board (11) with signal and are shown by temperature, the transmitter (17) of humidity sensor (16) in being contained in temperature, humidity sensor in the case, also can detect in real time; Loading pressure can be inspected in real time by the tensimeter (3) that is installed on casing top, when hypertonia or cross when low, controls blower fan automatically and stops; If the air of suction sealed environment, pick out a pipe by T-valve (10), lead in the sealed environment, open air intake pump (1), just can bleed, gas is extracted in the glass box (4), airborne formaldehyde is by plant absorbing, formaldehyde sensor in glass box (15), the signal of temperature sensor (16) and humidity sensor (16) enters switch board (11) by signal wire and shows and control, the formaldehyde signal can upload to computing machine by the RS-485/232 bus, the software processes analyzing and testing of utilizing computer again to data can obtain the uptake of case implants to formaldehyde in the air, realize that real-time quantitative measures the uptake to the gas formaldehyde that pollutes in the environment of potted plant in the case.
Principle of work of the present utility model is based on following principle: the characteristic of giving full play to and utilize formaldehyde sensor, formaldehyde sensor changes the concentration of formaldehyde of certain volume into current signal corresponding with it, electric current then can reflect the content of formaldehyde after signal amplifier amplifies.The air that contains formaldehyde enters glass box through the air intake pump suction, by bleeding and exhaust can make that air can constantly flow and circulate in the case, fan in the case rotates has beating action, make the interior air formaldehyde concentration of case be in state uniformly, be placed on the concentration that the interior formaldehyde sensor of case can detect formaldehyde in the air in real time, be placed on the composition that changes himself behind the plant absorbing formaldehyde in the glass box in vivo through a series of chemical reaction into, airborne concentration of formaldehyde is descended, this variation can be reflected on the display screen or computer of switch board by formaldehyde sensor, thereby realize real-time detection to concentration of formaldehyde variation in the case, the formaldehyde signal can upload to computing machine by the RS-485/232 bus, the software processes analyzing and testing of utilizing computer again to data can obtain the uptake of case implants to formaldehyde in the air.
The utility model design apparatus can real-time quantitative be measured the uptake of potted plant to the gas formaldehyde that pollutes in the environment, gas formaldehyde content is by formaldehyde sensor and transmitter in the case, signal is delivered to switch board show, in real time the concentration of gas formaldehyde in the detection case.Gas temperature and humidity, are delivered to switch board with signal and are shown through transmitter by temperature, humidity sensor in the case, also can detect in real time.Loading pressure can be inspected in real time by the tensimeter that is installed on casing top, when hypertonia or cross when low, controls blower fan automatically and stops.
Compared with prior art, the utlity model has following advantage:
The real-time quantitative that the utility model is provided with is measured the device of gas formaldehyde in the plant absorbing air, the deficiencies in the prior art have been overcome, it has bleeds and degassing function, make the air in the environment can enter in the case by bleeding, fan in the case rotates has beating action, make the interior air formaldehyde concentration of case be in state uniformly, by bleeding and exhaust can make that air can constantly flow and circulate in the case, give full play to and utilize the characteristic of formaldehyde sensor, the variation of gas formaldehyde content is by formaldehyde sensor and transmitter in the case, signal is delivered to switch board or computer shows, the concentration of gas formaldehyde in the detection case in real time, determination data is accurate.
Description of drawings:
Fig. 1 measures the one-piece construction synoptic diagram of the airborne gas formaldehyde device of plant absorbing for the utility model real-time quantitative;
Wherein: 1--air intake pump, 2--gas admittance valve, 3--tensimeter, 4--glass box, 5--illuminating lamp, 6--fan, 7--vent valve, 8--universal wheel, 9 off-gas pumps--, the transmitter in the 10--T-valve, 11--switch board, 12--glass chamber door, 13--plank, 14--filtrator, 15--formaldehyde sensor, 16--Temperature Humidity Sensor, 17--Temperature Humidity Sensor, the transmitter in the 18-formaldehyde sensor.
Embodiment:
Further specify essentiality content of the present utility model below in conjunction with embodiment, but do not limit the present invention with this.
Embodiment 1:
As shown in the figure, real-time quantitative of the present utility model is measured the device of the airborne gas formaldehyde of plant absorbing, comprises air intake pump (1), gas admittance valve (2), tensimeter (3), glass box (4), illuminating lamp (5), fan (6), vent valve (7), universal wheel (8), off-gas pump (9), T-valve (10), switch board (11), glass chamber door (12), plank (13), filtrator (14)), the transmitter in the formaldehyde sensor (15), Temperature Humidity Sensor (16), 17-Temperature Humidity Sensor, the transmitter in the 18-formaldehyde sensor.
Case glass and switch board that the dress plant is used.All adopt glass to make with cover plate up and down around the casing used of dress plant, whole box body is placed on the dolly that four universal wheels are housed, convenient moving, and chest adopts button fly front closed.Illuminating lamp is housed for plant daylighting in the case, the intensity of illumination classification is regulated.The case both sides are equipped with air intake opening and exhausr port respectively, and are installed into air valve and vent valve on the inlet and outlet pipeline.Air inlet and exhaust are operated by control panel, and air inlet, exhaust control can be carried out respectively, also can carry out simultaneously.The case internal pressure is monitored with tensimeter, and tensimeter is installed on upper box part, and the case internal pressure is controlled between the positive and negative 0.03MPa.Gas can carry out closed circulation by air intake pump and off-gas pump in the case, and can filter gas by being installed in two filters between the T-valve in the closed circulation process.T-valve is housed in order to pick out the gas that pollutes in the pipeline suction sealed environment on pipeline.Formaldehyde sensor, temperature sensor and humidity sensor are housed in glass box, and the signal of each sensor enters switch board by signal wire and shows and control.
The formolite number indication: gas formaldehyde content is delivered to switch board with signal and is shown by formaldehyde sensor and transmitter in the glass box, can realize real-time detection.
Temperature, humidity indication: gas temperature and humidity, are delivered to switch board with signal and are shown through transmitter by temperature, humidity sensor in the glass box, can realize real-time detection.
Inlet and outlet control:
(1) air inflow realizes adjustable continuously by air inlet blower fan change rotating speed.
(2) air capacity realizes adjustable continuously by air exhauster change rotating speed.
(3) regulate (see figure 1) on the panel that button is contained in switch board, and show by signal lamp.
(4) gas can be realized circulation by two blower fans in the case.
Pressure indication and control: the glass loading pressure can be inspected in real time by the tensimeter that is installed on casing top,
When hypertonia or cross when low, control blower fan automatically and stop.
Gas circulation is controlled in the case: by the button of operation switch board, two fans in the control glass box make the gas formation change of current in the case, realize that gas componant evenly distributes.
Communication: the formaldehyde signal can upload to computing machine by the RS-485/232 bus, so that measurement data is shown, handles, analyzes and stores.
The course of work of the present utility model: the air that contains formaldehyde enters draft tube through the air intake pump suction, enter glass box through T-valve then, air in the environment is pumped in the glass box, by bleeding and exhaust makes that air can constantly flow and circulate in the case, the fan rotation that adds in the top box has beating action, when in air concentration of formaldehyde and the environment in the case quite and close vent valve and gas admittance valve when being in uniformly state, formaldehyde is by plant absorbing gas stops certain hour in case after, gas formaldehyde content is by formaldehyde sensor and transmitter in the case, signal is delivered to switch board show, in real time the concentration of gas formaldehyde in the detection case.Gas temperature and humidity, are delivered to switch board with signal and are shown through transmitter by temperature, humidity sensor in the case, also can detect in real time.Loading pressure can be inspected in real time by the tensimeter that is installed on casing top, when hypertonia or cross when low, controls blower fan automatically and stops.If the air of suction sealed environment, pick out a pipe by T-valve, lead in the sealed environment, open air intake pump, just can bleed, gas is extracted in the glass box, airborne formaldehyde is by plant absorbing, formaldehyde sensor in glass box, the signal of temperature sensor and humidity sensor enters switch board by signal wire and shows and control, the formaldehyde signal can upload to computing machine by the RS-485/232 bus, the software processes analyzing and testing of utilizing computer again to data can obtain the uptake of case implants to formaldehyde in the air, realize that real-time quantitative measures the uptake to the gas formaldehyde that pollutes in the environment of potted plant in the case.
Claims (8)
1, a kind of real-time quantitative is measured the airborne gas formaldehyde device of plant absorbing, by air intake pump (1), gas admittance valve (2), tensimeter (3), glass box (4), illuminating lamp (5), fan (6), vent valve (7), universal wheel (8), off-gas pump (9), T-valve (10), switch board (11), glass chamber door (12), plank (13), filtrator (14)), formaldehyde sensor (15) and Temperature Humidity Sensor (16) structure, it is characterized in that: all adopt glass to make with cover plate up and down around the casing used of dress plant, whole glass box (4) is placed on the dolly that four universal wheels (8) are housed, and glass box (4) adopts button fly front closed; Illuminating lamp (5) is housed in the glass box (4), and the intensity of illumination classification is regulated; Glass box (4) both sides have air intake opening (1) and exhausr port (9) respectively, and on its admission line and gas exhaust duct, be installed into air valve (2) and vent valve (7), glass box (4) internal pressure is monitored with tensimeter (3), tensimeter is installed on glass box (4) top, glass box (4) internal pressure is controlled between the positive and negative 0.03MPa, the interior gas of glass box (4) carries out closed circulation by air intake pump (1) and off-gas pump (9), and in the closed circulation process, can gas be filtered by the filter (14) that is installed between two T-valve (10), T-valve (10) is housed in order to pick out the gas that pollutes in the pipeline suction sealed environment on pipeline, formaldehyde sensor (15) is housed in glass box (4), temperature sensor (16) and humidity sensor (16), the signal of each sensor enter switch board (11) by signal wire and show and control.
2, real-time quantitative as claimed in claim 1 is measured the airborne gas formaldehyde device of plant absorbing, it is characterized in that the interior gas formaldehyde content of glass box (4) is by formaldehyde sensor (15) be contained in transmitter (18) in the formaldehyde sensor, signal is delivered to switch board (11) show, detect in real time.
3, real-time quantitative as claimed in claim 1 is measured the airborne gas formaldehyde device of plant absorbing, it is characterized in that interior gas temperature of glass box (4) and humidity are by temperature, humidity sensor (16) be contained in the interior transmitter (17) of temperature, humidity sensor, signal is delivered to switch board (11) show, detect in real time.
4, real-time quantitative as claimed in claim 1 is measured the airborne gas formaldehyde device of plant absorbing, it is characterized in that air inflow changes rotating speed by the air inlet blower fan and realizes adjustable continuously, air capacity changes rotating speed by air exhauster and realizes adjustable continuously, regulating button is contained on the panel of switch board (11), and by the signal lamp demonstration, gas can be realized circulating by two blower fans in the case.
5, real-time quantitative as claimed in claim 1 is measured the airborne gas formaldehyde device of plant absorbing, it is characterized in that the interior gaseous tension of glass box (4) can inspect in real time by the tensimeter (3) that is installed on casing (4) top, when hypertonia or cross when low, control blower fan automatically and stop.
6, real-time quantitative as claimed in claim 1 is measured the airborne gas formaldehyde device of plant absorbing, it is characterized in that the interior gas circulation control of glass box (4) is the button by operation switch board (11), the rotation of two fans in the glass box (4) makes the gas formation change of current in the case, finishes gas componant and evenly distributes.
7, real-time quantitative as claimed in claim 1 is measured the airborne gas formaldehyde device of plant absorbing, it is characterized in that the formaldehyde signal that obtains uploads to computing machine by the RS-485/232 bus, shows, handles, analyzes and store measurement data.
8, real-time quantitative as claimed in claim 1 is measured the airborne gas formaldehyde device of plant absorbing, it is characterized in that the air that contains formaldehyde enters draft tube (2) through air intake pump (1) suction, pass through T-valve (10) then and enter glass box (4), air in the environment is pumped in the glass box (4), by bleed and exhaust the interior air of glass box (4) can constantly be flowed and circulate, add that the fan rotation in the glass box (4) has beating action, when in air concentration of formaldehyde and the environment in the glass box (4) quite and close vent valve (7) and gas admittance valve (2) when being in uniformly state, formaldehyde is by plant absorbing gas stops certain hour in glass box (4) after, the interior gas formaldehyde content of glass box (4) is by formaldehyde sensor (15) and be contained in the interior transmitter (18) of formaldehyde sensor, signal is delivered to switch board (11) show, in real time the concentration of gas formaldehyde in the detection case; Interior gas temperature of glass box (4) and humidity are by temperature, humidity sensor (16) and be contained in temperature, the interior transmitter (17) of humidity sensor, signal is delivered to switch board (11) show, also can detect in real time; The interior gaseous tension of glass box (4) can be inspected in real time by the tensimeter (3) that is installed on casing top, when hypertonia or cross when low, controls blower fan automatically and stops; If the air of suction sealed environment, pick out a pipe by T-valve (10), lead in the sealed environment, open air intake pump (1), just can bleed, gas is extracted in the glass box (4), airborne formaldehyde is by plant absorbing, formaldehyde sensor in glass box (15), the signal of temperature sensor (16) and humidity sensor (16) enters switch board (11) by signal wire and shows and control, the formaldehyde signal can upload to computing machine by the RS-485/232 bus, the software processes analyzing and testing of utilizing computer again to data can obtain the uptake of case implants to formaldehyde in the air, realize that real-time quantitative measures the uptake to the gas formaldehyde that pollutes in the environment of potted plant in the case.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009201115280U CN201421449Y (en) | 2009-06-16 | 2009-06-16 | Device for measuring formaldehyde gas absorbed by plants real-timely and quantificationally |
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| CN2009201115280U CN201421449Y (en) | 2009-06-16 | 2009-06-16 | Device for measuring formaldehyde gas absorbed by plants real-timely and quantificationally |
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| CN101839840A (en) * | 2010-04-09 | 2010-09-22 | 南京化工职业技术学院 | Plant monitor for indoor air |
| CN103018427A (en) * | 2012-12-27 | 2013-04-03 | 紫罗兰家纺科技股份有限公司 | Instrument for testing and demonstrating article gas release |
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| CN101839840A (en) * | 2010-04-09 | 2010-09-22 | 南京化工职业技术学院 | Plant monitor for indoor air |
| CN103018427A (en) * | 2012-12-27 | 2013-04-03 | 紫罗兰家纺科技股份有限公司 | Instrument for testing and demonstrating article gas release |
| CN103018427B (en) * | 2012-12-27 | 2016-01-20 | 紫罗兰家纺科技股份有限公司 | A kind of to article air release test demonstration instrument |
| CN104977366A (en) * | 2014-04-08 | 2015-10-14 | 辽宁石油化工大学 | Experiment device with LED lamp for measuring capability of absorbing formaldehyde by material in indoor environment |
| CN104807967A (en) * | 2015-05-12 | 2015-07-29 | 北京电子科技职业学院 | Device and method for simulating emission reduction effect of vegetation on gas pollutants |
| CN104807967B (en) * | 2015-05-12 | 2016-08-24 | 北京电子科技职业学院 | A kind of vegetation is to gas pollutant emission reduction effect analog and method |
| CN105547772A (en) * | 2015-12-18 | 2016-05-04 | 杭州同孚环保科技有限公司 | Field gas sampling device |
| CN105628456A (en) * | 2015-12-18 | 2016-06-01 | 杭州同孚环保科技有限公司 | Field air sampling device with air current circulation |
| CN105547772B (en) * | 2015-12-18 | 2018-08-31 | 杭州同孚环保科技有限公司 | A kind of field gas sampling assembly |
| CN113167497A (en) * | 2018-11-13 | 2021-07-23 | 德隆奇电器单一股东有限责任公司 | Method for controlling an air conditioning system |
| CN113167497B (en) * | 2018-11-13 | 2023-08-11 | 德隆奇电器单一股东有限责任公司 | Method for controlling an air conditioning system |
| CN110108819A (en) * | 2019-06-10 | 2019-08-09 | 汪梅荣 | A kind of intelligence methylene oxide detecting instrument |
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