CN113063188A - Novel formaldehyde or VOC release amount test and pretreatment device - Google Patents

Novel formaldehyde or VOC release amount test and pretreatment device Download PDF

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Publication number
CN113063188A
CN113063188A CN202110260096.5A CN202110260096A CN113063188A CN 113063188 A CN113063188 A CN 113063188A CN 202110260096 A CN202110260096 A CN 202110260096A CN 113063188 A CN113063188 A CN 113063188A
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China
Prior art keywords
cabin
air inlet
testing
formaldehyde
cabin body
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Pending
Application number
CN202110260096.5A
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Chinese (zh)
Inventor
夏可瑜
彭爽
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Dongguan City Simplewell Technology Co ltd
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Dongguan City Simplewell Technology Co ltd
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Priority to CN202110260096.5A priority Critical patent/CN113063188A/en
Publication of CN113063188A publication Critical patent/CN113063188A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0042—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater characterised by the application of thermo-electric units or the Peltier effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • F25B21/04—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect reversible
    • 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—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/0047—Organic compounds
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
    • G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Biochemistry (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Thermal Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Sustainable Development (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Automation & Control Theory (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses a novel device for testing and pretreating formaldehyde or VOC (volatile organic compounds) release amount, which comprises an air inlet pipeline, a cabin body and an exhaust pipeline, wherein the air inlet pipeline is arranged on one side of the cabin body, and the exhaust pipeline is arranged on the other side of the cabin body; a heat insulation layer is arranged between the inner wall and the outer wall of the cabin body; a cabin door is arranged on one side of the cabin body, which is far away from the air inlet pipeline, and the exhaust pipeline is arranged on the cabin door; and a plurality of groups of electronic refrigeration temperature control systems for refrigeration or heating or temperature adjusting jackets are pasted or embedded on the two inner side walls of the cabin body. The invention has simple structure and low cost, can provide a constant temperature and/or constant humidity clean cabin body with controllable temperature, relative humidity and background concentration, provides a stable standard test environment for the test, and avoids the influence of environmental factors or other uncertain factors on the test result.

Description

Novel formaldehyde or VOC release amount test and pretreatment device
Technical Field
The invention relates to the technical field of testing equipment, in particular to a novel formaldehyde or VOC (volatile organic compound) release amount testing and pretreatment device.
Background
The existing materials such as furniture and automobile products can cause harm to human bodies if the concentration of volatile harmful gases such as formaldehyde and Volatile Organic Compounds (VOC) is over a certain range. The reasonable collection of the volatile harmful gases such as formaldehyde, VOC and the like in the materials is one of the important links of the detection technology.
At present, the industry also has a plurality of devices for testing the emission of volatile harmful gases such as formaldehyde, VOC and the like, but the existing testing devices have the following defects: 1. the structure is complex and the cost is high; 2. environmental factors such as the temperature, the humidity and the air composition of the surrounding environment easily influence the testing precision; 3. during testing, the original polluted air in the test cabin body is not discharged in advance by the test cabin body, so that the testing precision is influenced.
Therefore, it is one of the technical problems to be solved in the art to provide a novel formaldehyde or VOC emission testing and pretreatment device which has a simple structure, a low manufacturing cost, and a high testing precision.
Disclosure of Invention
In view of the above, the present invention provides a novel device for testing and pre-treating formaldehyde or VOC emission, which is provided to solve the above-mentioned disadvantages.
In order to solve the technical problems, the invention adopts the following technical scheme:
a novel formaldehyde or VOC emission testing and pretreatment device comprises an air inlet pipeline, a cabin body and an exhaust pipeline, wherein the air inlet pipeline is arranged on one side of the cabin body, and the exhaust pipeline is arranged on the other side of the cabin body; the port of the air inlet pipeline is an air inlet, and a gas flow controller and a humidity regulator are arranged on the air inlet pipeline; a heat insulation layer is arranged between the inner wall and the outer wall of the cabin body;
a cabin door is arranged on one side of the cabin body, which is far away from the air inlet pipeline, and the exhaust pipeline is arranged on the cabin door or the side wall of the cabin body; a plurality of groups of electronic refrigeration temperature control systems for refrigeration or heating are pasted or embedded on one side wall in the cabin body, and a stirring fan is arranged between the electronic refrigeration temperature control systems; one or more air return plates are arranged at corresponding positions on the inner side of the inner side wall of the cabin body.
Preferably, the electronic refrigeration temperature control system comprises a radiator and a refrigeration module arranged on the radiator; and at least one temperature sensor for testing the temperature of the electronic refrigeration temperature control system close to the cavity at one side of the cabin body is arranged between the radiator and the refrigeration module.
Preferably, the interior of the cabin is provided with a temperature and humidity sensor for detecting the temperature and humidity of the interior of the cabin (i.e. the area inside the insulating layer).
Preferably, the port of the exhaust pipeline is provided with an exhaust valve, and the exhaust pipeline is provided with a sampling head, a heating device and a temperature sensor.
Preferably, most or all of the surfaces of the inner wall of the cabin, the radiator of the electronic refrigeration temperature control system and the stirring fan are provided with fluoride coatings.
Preferably, the device also comprises a controller for detecting various parameters such as temperature/humidity/flow/pressure/wind speed and the like of each point of the control device.
Preferably, the controller calculates the dew point of the air and the temperature of the low temperature point of the electronic refrigeration temperature control system after detecting the temperature and humidity of the air in the cabin; and when the (dew point-refrigerating plate low temperature) is more than x, the controller stops the electronic refrigeration. x can be set to-n to + n, with n being 0 to 20 degrees. Therefore, the condensation of the cooling fins of the electronic refrigeration sheets or/and the cabin wall in the cabin can be prevented.
Preferably, or, a temperature adjusting jacket 7 is arranged on one side of the cabin 2 close to the air inlet pipeline 1, and the temperature adjusting jacket 7 is at least one chamber which can be communicated with liquid on the inner wall of the cabin 2; one or more inner chambers 24 are arranged in the cabin body 2 except the temperature adjusting jacket 7, and an inner chamber heater 241, a stirring fan 4 and an inner chamber return air plate 242 are sequentially arranged in each inner chamber 24; the intake duct 1 communicates with the inner chamber 24. .
Preferably, the cabin body and the inner cabin share a cabin body door, and the exhaust pipeline is arranged on the cabin body door; or the inner chamber is provided with an independent inner chamber door, and the exhaust pipeline is arranged on the inner chamber door.
Preferably, an electronic refrigeration temperature control system, a stirring fan and a heater are sequentially arranged in the temperature adjusting jacket and close to the inner wall of the cabin body.
Preferably, the air purifier further comprises a filtering air duct, and the filtering air duct is communicated with the cabin body; and the filtering air duct is provided with an air inlet switch valve, an air outlet switch valve, a filtering device and a filtering fan which are arranged between the air inlet switch valve and the air outlet switch valve.
Preferably, the stirring fan is a variable-frequency adjustable fan.
Preferably, the refrigeration module is a semiconductor refrigeration piece capable of refrigerating and/or heating.
Preferably, the filtering device is one or more of a formaldehyde filter, a VOC filter and a dust filter.
Preferably, the temperature regulating jacket is a liquid or gas temperature regulating jacket.
Compared with the prior art, the invention has the following technical effects:
the invention can avoid the interference of environmental factors or other uncertain factors to the test result, the semiconductor refrigeration sheet or the temperature adjusting jacket can refrigerate and/or heat, the refrigeration or the heating of the semiconductor refrigeration sheet or the temperature adjusting jacket can be controlled by detecting the temperature in the cabin, so that the temperature in the cabin is constant, and the external filtering device can filter the original polluted air in the cabin. The invention has simple structure and low cost, can provide a constant temperature and/or constant humidity clean cabin body with controllable temperature, relative humidity and background concentration, provides a stable standard test environment for the test, and avoids the influence of environmental factors or other uncertain factors on the test result.
Drawings
Fig. 1 is a schematic structural diagram of a novel formaldehyde or VOC emission testing and pretreatment apparatus in embodiment 1 of the present invention;
FIG. 2 is an enlarged view of A in the example of the present invention;
fig. 3 is a schematic structural diagram of a roller core and a retainer ring in a novel formaldehyde or VOC emission testing and pretreatment apparatus in embodiment 2 of the present invention;
fig. 4 is a schematic structural diagram of a roll core in a novel formaldehyde or VOC emission testing and pretreatment apparatus in example 3 of the present invention.
In the figure: 1. an air intake duct; 11. an air inlet; 12. a gas flow controller; 13. a humidity regulator; 2. a cabin body; 21. a heat-insulating layer; 22. a cabin door; 23. a return air plate; 24. an inner chamber; 241. an inner compartment heater; 242. an inner cabin return air plate; 243. an inner hatch door; 3. an electronic refrigeration temperature control system; 31. a heat sink; 32. a refrigeration module; 4. a stirring fan; 5. an exhaust duct; 51. an exhaust valve; 6. a sampling head; 7. a temperature adjusting jacket; 71. a heater in the jacket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-2, a novel formaldehyde or VOC emission testing and pre-treating device comprises an air inlet pipe 1, a cabin 2 and an exhaust pipe 5, wherein the air inlet pipe 1 is arranged at one side of the cabin 2, and the exhaust pipe 5 is arranged at the other side of the cabin 2; the port of the air inlet pipeline 1 is an air inlet 11, and an air flow controller 12 and a humidity regulator 13 are arranged on the air inlet pipeline 1; an insulating layer 21 is arranged between the inner wall and the outer wall of the cabin body 2; a cabin door 22 is arranged on one side of the cabin 2 far away from the air inlet pipeline 1, and the exhaust pipeline 5 is arranged on the side wall of the cabin door 22 or the cabin 2; a plurality of groups of electronic refrigeration temperature control systems 3 for refrigeration or heating are pasted or embedded on one side wall in the cabin body 2, and a stirring fan 4 is arranged between the electronic refrigeration temperature control systems 3; one or more return air plates 23 are arranged at corresponding positions on the inner side of the inner side wall of the cabin 2; the electronic refrigeration temperature control system 3 comprises a radiator 31 and a refrigeration module 32 arranged on the radiator 31; and at least one temperature sensor for testing the temperature of the cavity at the side close to the cabin body 2 of the electronic refrigeration temperature control system 3 is arranged between the radiator 31 and the refrigeration module 32. The device also comprises a controller for detecting various parameters such as temperature/humidity/flow/pressure/wind speed and the like of each point of the control equipment. The controller detects the temperature and humidity of the air in the cabin body and then calculates the dew point of the air and the temperature of the low temperature point of the electronic refrigeration temperature control system; and when the (dew point-refrigerating plate low temperature) is more than x, the controller stops the electronic refrigeration. x can be set to-n to + n, with n being 0 to 20 degrees. Therefore, the condensation of the electronic refrigeration temperature control system, the radiating fins and the cabin wall in the cabin body can be prevented.
In this embodiment, a temperature and humidity sensor for detecting the temperature and humidity inside the cabin 2 (i.e., the region inside the insulating layer) is disposed inside the cabin 2.
In this embodiment, the port of the exhaust duct 5 is provided as an exhaust valve 51, and the sampling head 6, the heating device, and the temperature sensor are provided on the exhaust duct 5.
In this embodiment, fluoride coatings are disposed on most or all of the inner wall of the cabin 2, the radiator 31 of the electronic refrigeration temperature control system 3, and the stirring fan 4.
In this embodiment, the refrigeration module 32 is a semiconductor refrigeration sheet capable of refrigerating and/or heating; when the semiconductor refrigeration device works, the semiconductor refrigeration piece can conduct heat through the side wall of the cabin body 2, and the temperature sensor can detect the temperature of the side wall of the cabin body 2, so that the semiconductor refrigeration piece is controlled to refrigerate or heat, the temperature in the cabin body 2 is constant, meanwhile, the minimum temperature limit value of the side wall of the cabin body 2 can be controlled, and the condensation phenomenon is prevented; the stirring fan 4 can take away the refrigerating capacity or the heating capacity of the side wall of the cabin 2 through air flow, wherein the stirring fan 4 can be preferably set as a variable-frequency adjustable fan.
Example 2
In this embodiment, or, a temperature adjusting jacket 7 is disposed on one side of the cabin 2 close to the air inlet pipe 1, and the temperature adjusting jacket 7 is at least one chamber on the inner wall of the cabin 2 through which liquid can flow; one or more inner chambers 24 are arranged in the cabin body 2 except the temperature adjusting jacket 7, and an inner chamber heater 241, a stirring fan 4 and an inner chamber return air plate 242 are sequentially arranged in each inner chamber 24; the air inlet pipeline 1 is communicated with the inner chamber 24; the inner compartment 24 is provided with a separate inner compartment door 243, and the exhaust duct 5 is provided on the inner compartment door 243; an electronic refrigeration temperature control system 3, a stirring fan 4 and a jacket inner heater 71 are sequentially arranged in the temperature adjusting jacket 7 and close to the inner wall of the cabin body 2.
It should be noted that the other structures of the novel formaldehyde or VOC emission testing and pretreating device of this embodiment 2 are the same as those of the novel formaldehyde or VOC emission testing and pretreating device of embodiment 1, and are not described herein again.
Example 3.
In this example, the chamber 2 and the inner chamber 24 share a chamber door 22, and the exhaust duct 5 is disposed on the chamber door 22.
It should be noted that the other structures of the novel formaldehyde or VOC emission testing and pretreating device of this embodiment 3 are the same as those of the novel formaldehyde or VOC emission testing and pretreating device of above embodiment 2, and are not repeated herein.
In some embodiments, the number of the electronic refrigeration temperature control system 3, the temperature adjusting jacket 7 and the inner chamber 24 can be adjusted according to actual conditions.
In other embodiments, the temperature control jacket 7 is a liquid or gas temperature control jacket.
In other embodiments, a return air cover can also be used as the return air plate 23.
In other embodiments, the air-conditioning unit further comprises a filtering air duct, wherein the filtering air duct is communicated with the cabin; and the filtering air duct is provided with an air inlet switch valve, an air outlet switch valve, a filtering device and a filtering fan which are arranged between the air inlet switch valve and the air outlet switch valve. The filter device is one or more of a formaldehyde filter, a VOC filter and a dust filter.
The invention can avoid the interference of environmental factors or other uncertain factors to the test result, the semiconductor refrigeration sheet or the temperature adjusting jacket can refrigerate and/or heat, the refrigeration or the heating of the semiconductor refrigeration sheet or the temperature adjusting jacket can be controlled by detecting the temperature in the cabin, so that the temperature in the cabin is constant, and the external filtering device can filter the original polluted air in the cabin. The invention has simple structure and low cost, can provide a constant temperature and/or constant humidity clean cabin body with controllable temperature, relative humidity and background concentration, provides a stable standard test environment for the test, and avoids the influence of environmental factors or other uncertain factors on the test result.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims (10)

1. A novel formaldehyde or VOC emission testing and pretreatment device comprises an air inlet pipeline (1), a cabin body (2) and an exhaust pipeline (5), and is characterized in that the air inlet pipeline (1) is arranged on one side of the cabin body (2), and the exhaust pipeline (5) is arranged on the other side of the cabin body (2); the port of the air inlet pipeline (1) is an air inlet (11), and a gas flow controller (12) and a humidity regulator (13) are arranged on the air inlet pipeline (1); an insulating layer (21) is arranged between the inner wall and the outer wall of the cabin body (2);
a cabin door (22) is arranged on one side of the cabin (2) far away from the air inlet pipeline (1), and the exhaust pipeline (5) is arranged on the cabin door (22) or the side wall of the cabin (2); a plurality of groups of electronic refrigeration temperature control systems (3) for refrigeration or heating are pasted or embedded on one side wall in the cabin body (2), and a stirring fan (4) is arranged between the electronic refrigeration temperature control systems (3); one or more air return plates (23) are arranged at corresponding positions on the inner side of the inner side wall of the cabin body (2).
2. The device for testing and pretreating released amount of formaldehyde or VOC according to claim 1, wherein the electronic refrigeration temperature control system (3) comprises a radiator (31) and a refrigeration module (32) arranged on the radiator (31); and at least one temperature sensor for testing the temperature of the electronic refrigeration temperature control system (3) close to the cavity at one side of the cabin body (2) is arranged between the radiator (31) and the refrigeration module (32).
3. The device for testing and pretreating formaldehyde or VOC emission according to claim 1, wherein a temperature and humidity sensor for detecting temperature and humidity inside the cabin (2) (i.e., the region inside the insulating layer) is disposed inside the cabin (2).
4. The device for testing and pretreating released amount of formaldehyde or VOC according to claim 1, wherein a port of the exhaust pipeline (5) is provided with an exhaust valve (51), and the exhaust pipeline (5) is provided with a sampling head (6), a heating device and a temperature sensor.
5. The device for testing and pretreating released amount of formaldehyde or VOC according to claim 1, wherein most or all of the inner wall of the cabin (2), the radiator (31) of the electronic refrigeration temperature control system (3) and the stirring fan (4) are provided with fluoride coatings.
6. The device for testing and pretreating released amount of formaldehyde or VOC according to claim 1, wherein a temperature adjusting jacket (7) is disposed on one side of the cabin (2) close to the air inlet pipe (1), and the temperature adjusting jacket (7) is at least one chamber on the inner wall of the cabin (2) through which liquid can flow; one or more inner cabins (24) are arranged in the cabin body (2) except for the temperature-adjusting jacket (7), and an inner cabin heater (241), a stirring fan (4) and an inner cabin air return plate (242) are sequentially arranged in each inner cabin (24); the air inlet pipeline (1) is communicated with the inner cabin (24).
7. The device for testing and pretreating released amount of formaldehyde or VOC according to claim 6, wherein the cabin (2) and the inner cabin (24) share a cabin door (22), and the exhaust duct (5) is arranged on the cabin door (22); or, the inner cabin (24) is provided with a separate inner cabin door (243), and the exhaust duct (5) is arranged on the inner cabin door (243).
8. The device for testing and pretreating released amount of formaldehyde or VOC according to claim 6, wherein an electronic refrigeration temperature control system (3), a stirring fan (4) and a jacket inner heater (71) are sequentially arranged in the temperature adjusting jacket (7) and closely attached to the inner wall of the cabin (2).
9. The device for testing and pretreating released amount of formaldehyde or VOC according to claims 1-8, further comprising a filtering air duct, wherein the filtering air duct is communicated with the cabin (2); and the filtering air duct is provided with an air inlet switch valve, an air outlet switch valve, a filtering device and a filtering fan which are arranged between the air inlet switch valve and the air outlet switch valve.
10. The new formaldehyde or VOC emission testing and pretreating device according to any one of claims 1, 5, 6, and 8, wherein the stirring fan (4) is a variable frequency adjustable fan.
CN202110260096.5A 2021-03-10 2021-03-10 Novel formaldehyde or VOC release amount test and pretreatment device Pending CN113063188A (en)

Priority Applications (1)

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CN202110260096.5A CN113063188A (en) 2021-03-10 2021-03-10 Novel formaldehyde or VOC release amount test and pretreatment device

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Application Number Priority Date Filing Date Title
CN202110260096.5A CN113063188A (en) 2021-03-10 2021-03-10 Novel formaldehyde or VOC release amount test and pretreatment device

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CN113063188A true CN113063188A (en) 2021-07-02

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201439054U (en) * 2009-06-19 2010-04-21 上海天波自动化科技有限公司 Formaldehyde emission climate box
CN201720061U (en) * 2010-05-12 2011-01-26 成都市产品质量监督检验院 Weather box for detecting release amount of formaldehyde
CN201811954U (en) * 2010-10-21 2011-04-27 上海科绿特环境科技有限公司 Environmental box for testing released quantity of harmful substances in furniture
CN106248880A (en) * 2016-08-08 2016-12-21 东莞市升微机电设备科技有限公司 There is the abnormal smells from the patient of External Circulation Filtration Apparatus, VOC and floating harmful substance detection cabin
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
CN111896682A (en) * 2020-07-15 2020-11-06 上海怡骋工贸有限公司 Multi-cabin method VOC (volatile organic compounds) release amount measuring climate cabin

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201439054U (en) * 2009-06-19 2010-04-21 上海天波自动化科技有限公司 Formaldehyde emission climate box
CN201720061U (en) * 2010-05-12 2011-01-26 成都市产品质量监督检验院 Weather box for detecting release amount of formaldehyde
CN201811954U (en) * 2010-10-21 2011-04-27 上海科绿特环境科技有限公司 Environmental box for testing released quantity of harmful substances in furniture
CN106248880A (en) * 2016-08-08 2016-12-21 东莞市升微机电设备科技有限公司 There is the abnormal smells from the patient of External Circulation Filtration Apparatus, VOC and floating harmful substance detection cabin
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
CN111896682A (en) * 2020-07-15 2020-11-06 上海怡骋工贸有限公司 Multi-cabin method VOC (volatile organic compounds) release amount measuring climate cabin

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Application publication date: 20210702

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