WO2019109648A1 - 甲醛或voc释放量测试及预处理简易舱 - Google Patents

甲醛或voc释放量测试及预处理简易舱 Download PDF

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Publication number
WO2019109648A1
WO2019109648A1 PCT/CN2018/098216 CN2018098216W WO2019109648A1 WO 2019109648 A1 WO2019109648 A1 WO 2019109648A1 CN 2018098216 W CN2018098216 W CN 2018098216W WO 2019109648 A1 WO2019109648 A1 WO 2019109648A1
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Prior art keywords
cabin
temperature
formaldehyde
chamber
voc
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PCT/CN2018/098216
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English (en)
French (fr)
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夏可瑜
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东莞市升微机电设备科技有限公司
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Application filed by 东莞市升微机电设备科技有限公司 filed Critical 东莞市升微机电设备科技有限公司
Priority to RU2020120914A priority Critical patent/RU2767152C2/ru
Priority to US16/770,090 priority patent/US20200348278A1/en
Priority to EP18886850.9A priority patent/EP3705884A4/en
Priority to KR1020207016096A priority patent/KR20200089278A/ko
Priority to JP2020529738A priority patent/JP7076157B2/ja
Publication of WO2019109648A1 publication Critical patent/WO2019109648A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L1/00—Enclosures; Chambers
    • 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
    • G01N1/2226—Sampling from a closed space, e.g. food package, head space
    • 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
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
    • G05D23/1928—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperature of one space
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/06—Fluid handling related problems
    • B01L2200/0684—Venting, avoiding backpressure, avoid gas bubbles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/10—Means to control humidity and/or other gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/18—Means for temperature control
    • B01L2300/1894—Cooling means; Cryo cooling
    • 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
    • G01N1/2226—Sampling from a closed space, e.g. food package, head space
    • G01N2001/2241—Sampling from a closed space, e.g. food package, head space purpose-built sampling enclosure for emissions

Definitions

  • the invention relates to the technical field of test equipment, and more particularly to a formaldehyde or VOC release test and a pretreatment simple cabin.
  • Volatile harmful gases such as formaldehyde and volatile organic compounds (VOC) present in existing furniture, automotive supplies, etc., if the concentration of volatile harmful gases exceeds a certain range, it will cause harm to the human body.
  • Reasonable collection of volatile and harmful gases such as formaldehyde and VOC in materials is one of the important aspects of detection technology.
  • test equipment for testing the release of volatile harmful gases such as formaldehyde and VOC
  • the existing test equipment has the following disadvantages: 1. The structure is complicated and the cost is high; 2. The temperature of the surrounding environment, Environmental factors such as humidity and air composition are easy to affect the accuracy of the test; 3. During the test, the test cabin does not discharge the original polluted air in the test chamber, which affects the accuracy of the test.
  • the object of the present invention is to overcome the above-mentioned drawbacks in the prior art, and to provide a formaldehyde or VOC release test and a pretreatment simple compartment with simple structure and high test accuracy.
  • the present invention provides a formaldehyde or VOC release test and a pretreatment simple cabin, comprising a cabin having a cabin door and a clean air for introducing a preset humidity and flow rate.
  • An air inlet and an exhaust port for exhausting and decompressing, the outer wall of the cabin is provided with at least one semiconductor refrigeration sheet or liquid temperature control jacket capable of cooling and/or heating, the cabin
  • the inside of the cabin is provided with a temperature sensor on the outer wall of the semiconductor refrigeration sheet or a temperature sensor for the liquid temperature jacket, and the interior of the cabin is installed for detecting the cabin.
  • a temperature and humidity sensor of temperature and humidity the outside of the cabin is connected with a filter duct communicating with the interior of the cabin, the filter duct is provided with an intake switch valve, an air outlet switch valve, and an intake switch valve Filter device and filter fan between the air outlet switch valves.
  • the filtering device comprises a formaldehyde and/or VOC filter and/or a dust filter, the formaldehyde and/or VOC filter and/or dust filter being attached to the filtration duct.
  • the liquid temperature regulating jacket is at least one chamber through which a liquid can flow, and a heating and cooling device for controlling the temperature of the liquid is disposed inside the chamber and/or the flow pipe.
  • the temperature sensor senses the temperature of the liquid and controls the heating and cooling device to regulate the temperature of the liquid flowing through the chamber to indirectly control the internal temperature of the cabin.
  • the agitation fan is provided as a variable frequency variable fan.
  • the interior of the pod is provided with a heater for adjusting the temperature inside the cabin.
  • an exhaust pump and/or an exhaust valve for controlling the internal pressure of the cabin by the exhaust gas is connected to the exhaust port of the cabin.
  • the interior of the pod is provided with a pressure sensor.
  • the inner wall of the pod is provided with an anti-adhesion coating for preventing formaldehyde or VOC from adhering to the inner wall.
  • the cabin is located in a constant temperature chamber or an insulation layer is provided on the exterior of the cabin.
  • the pod is comprised of glass, fluoride plate and/or stainless steel material.
  • the invention can avoid the interference caused by environmental factors or other uncertain factors on the test result, and the semiconductor refrigeration sheet or the liquid temperature regulating jacket can cool and/or heat, and can control the semiconductor refrigeration sheet or the liquid temperature regulating clip by detecting the temperature in the cabin.
  • the cooling or heating is used to keep the temperature inside the cabin constant, and the external filtering device can filter the original polluted air in the cabin.
  • the invention has the advantages of simple structure and low cost, and can provide a constant temperature and/or constant humidity clean cabin with controlled temperature, relative humidity and background concentration, and provides a stable standard test environment for testing, avoiding environmental factors or other factors. Determine the impact of factors on the test results.
  • FIG. 1 is a schematic structural view of a formaldehyde or VOC release amount test and a pretreatment simple cabin according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view of a formaldehyde or VOC release amount test and a pretreatment simple cabin provided by an embodiment of the present invention.
  • a first embodiment of the present invention provides a formaldehyde or VOC release test and a pretreatment simple cabin, which includes a cabin 1 on which a cabin door 2 is mounted for accessing a preset humidity. And a flow of clean air inlet 3 and an exhaust port 4 for exhausting and depressurizing, the outer wall of the tank 1 is provided with at least one semiconductor refrigeration sheet 5 capable of cooling and/or heating, the cabin 1 The inside of the cabin 1 is provided with a temperature sensor 7 on the outer wall of the semiconductor refrigeration fin 5, and a temperature and humidity sensor 17 for detecting the temperature and humidity in the cabin is installed inside the cabin 1.
  • the pod 1 may be composed of glass, a fluoride plate, and/or a stainless steel material.
  • the semiconductor refrigerating sheet 5 can be provided with a plurality of pieces, and when one of the semiconductor refrigerating sheets 5 fails, the other semiconductor refrigerating sheets can also operate normally.
  • the number of semiconductor refrigerating sheets 5 can be changed according to actual needs.
  • the semiconductor refrigerating sheet 5 can conduct heat through the bulkhead, and the temperature sensor 7 can detect the temperature of the bulkhead, thereby controlling the cooling or heating of the semiconductor refrigerating sheet 5, so that the temperature in the cabin is constant, and the minimum temperature limit of the bulkhead can also be controlled.
  • the agitating fan 6 can take away the cooling capacity or the heating capacity of the bulkhead by the air flow, wherein the agitating fan 6 can preferably be arranged as a variable frequency variable fan.
  • the exterior of the cabin 1 is connected with a filter duct 8 communicating with the interior of the cabin 1, and the filter duct 8 is provided with an intake switch valve 9, an air outlet switch valve 10, and an intake switch valve. 9 and a filter device and a filter fan 11 between the outlet switch valve 10.
  • the filtering device may comprise a formaldehyde and/or VOC filter 18 and/or a dust filter 12, the formaldehyde and/or VOC filter 18 and/or the dust filter 12 being connected to the filter wind.
  • the filter fan 11 can speed up gas circulation and increase the filtration speed. Before the test, the external filter device can filter the original polluted air in the cabin to improve the test accuracy.
  • the inside of the cabin 1 may be provided with a heater 13 for adjusting the temperature inside the cabin.
  • an exhaust pump 14 and/or an exhaust valve may be connected to the exhaust port 4 of the cabin 1, and correspondingly, the interior of the cabin 1 is provided with a pressure sensor 15.
  • the internal pressure of the cabin 1 and the original polluted air in the discharge cabin can be controlled by exhausting the exhaust pump 14 or adjusting the exhaust valve.
  • the clean air enters the cabin through the air inlet 3, and the original body is in the cabin. The polluted air is squeezed out.
  • the inner wall of the cabin 1 may be provided with an anti-adhesion coating for preventing formaldehyde or VOC from adhering to the inner wall, further improving the test accuracy.
  • the cabin 1 may be placed in a constant temperature chamber, or an insulation layer may be provided outside the cabin 1 for heat preservation.
  • a second embodiment of the present invention provides another formaldehyde or VOC release test and pretreatment simple cabin, including a cabin 1 on which a cabin door 2 is mounted for accessing a preset. a humid air inlet port 3 for humidity and flow, and an exhaust port 4 for exhausting and depressurizing, the outer wall of the cabin 1 is provided with at least one liquid temperature control jacket 16 capable of cooling and/or heating.
  • the inside of the cabin 1 is provided with a stirring fan 6, and the outer wall of the cabin 1 is provided with a temperature sensor 7 for measuring the temperature of the liquid temperature regulating jacket 16, and the inside of the cabin 1 is equipped with a temperature and humidity for detecting the temperature and humidity in the cabin.
  • Sensor 17 is another formaldehyde or VOC release test and pretreatment simple cabin, including a cabin 1 on which a cabin door 2 is mounted for accessing a preset. a humid air inlet port 3 for humidity and flow, and an exhaust port 4 for exhausting and depressurizing, the outer wall of the cabin 1 is provided with at least
  • the liquid temperature regulating jacket 16 is at least one chamber through which the liquid can flow, and the inside of the chamber is provided with heating and cooling means for controlling the temperature of the liquid, and the temperature sensor 7 senses the liquid.
  • the temperature, the control heating and cooling device regulates the temperature of the liquid flowing through the chamber, thereby indirectly controlling the internal temperature of the cabin.
  • formaldehyde or VOC release test and the other structure of the pretreatment simple compartment of the second embodiment are the same as those of the formaldehyde or VOC release test and the pretreatment simple compartment of the first embodiment, and are not Let me repeat.
  • the invention has the advantages of simple structure and low cost, and can provide a constant temperature and/or constant humidity clean cabin with controlled temperature, relative humidity and background concentration, which provides a stable standard test environment for testing and avoids The impact of environmental factors or other uncertainties on the test results.

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Abstract

一种甲醛或VOC释放量测试及预处理简易舱，包括舱体（1），舱体（1）上装设有舱体门（2）、进气口（3）和排气口（4），舱体（1）的外壁上装设有至少一个能制冷和/或制热的半导体制冷片（5）或者液体调温夹套（16），舱体（1）的内部装设有搅拌风机（6），舱体（1）的外壁上装设有位于半导体制冷片（5）的导热区或者用于液体调温夹套（16）测温的温度传感器（7），舱体（1）的内部安装有温度湿度传感器（17），舱体（1）的外部连接有与舱体（1）的内部相连通的过滤风道（8），过滤风道（8）上装设有进气开关阀（9）、出气开关阀（10）、过滤装置及过滤风机（11）。本发明的结构简单，成本低，可提供一个可控温度、相对湿度和背景浓度的恒温和/或恒湿的洁净舱体（1），为测试提供了一个稳定的标准测试环境，避免环境因素或其他不确定因素对测试结果的影响。

Description

甲醛或VOC释放量测试及预处理简易舱 技术领域
本发明涉及测试设备技术领域，更具体地说，是涉及一种甲醛或VOC释放量测试及预处理简易舱。
背景技术
现有的家具、汽车用品等材料会中存在的甲醛、挥发性有机物(VOC)等挥发性有害气体，当挥发性有害气体的浓度若超过一定的范围，则会对人体造成危害。合理地收集材料中的甲醛、VOC等挥发性有害气体是检测技术的重要环节之一。
目前，工业上也有许多对甲醛、VOC等挥发性有害气体的释放量进行测试的设备，但是现有的测试设备存在以下不足之处：1、结构复杂，成本高；2、周围环境的温度、湿度和空气成分等环境因素容易对测试的精度产生影响；3、测试时，测试舱体没有事先将测试舱体内原始的污染空气排出，影响了测试的精度。
发明内容
本发明的目的在于克服现有技术中的上述缺陷，提供一种结构简单、测试精度高的甲醛或VOC释放量测试及预处理简易舱。
为实现上述目的，本发明提供了一种甲醛或VOC释放量测试及预处理简易舱，包括舱体，所述舱体上装设有舱体门、用于通入预设湿度及流量的洁净空气的进气口和用于排气及泄压的排气口，所述舱体的外壁上装设有至少一个能制冷和/或制热的半导体制冷片或者液体调温夹套，所述舱 体的内部装设有搅拌风机，所述舱体的外壁上装设有位于半导体制冷片的导热区或者用于液体调温夹套测温的温度传感器，所述舱体的内部安装有用于检测舱内温度湿度的温度湿度传感器，所述舱体的外部连接有与舱体的内部相连通的过滤风道，所述过滤风道上装设有进气开关阀、出气开关阀和位于进气开关阀与出气开关阀之间的过滤装置及过滤风机。
作为优选的，所述过滤装置包括甲醛和/或VOC过滤器和/或粉尘过滤器，所述甲醛和/或VOC过滤器和/或粉尘过滤器连接在过滤风道上。
作为优选的，所述液体调温夹套为舱体外壁至少一处可流通液体的腔室，所述腔室的内部和/或流动管道上装设有用于控制液体温度的加热及制冷装置，所述温度传感器感知液体温度，控制加热及制冷装置调节流过腔室的液体温度，从而间接控制舱体内部温度。
作为优选的，所述搅拌风机设置为变频可调的风机。
作为优选的，所述舱体的内部装设有用于调节舱内温度的加热器。
作为优选的，所述舱体的排气口处连接有用于通过排气控制舱体内部压力的排气泵和/或排气阀。
作为优选的，所述舱体的内部装设有压力传感器。
作为优选的，所述舱体的内壁上设有用于防止甲醛或VOC粘附在内壁上的防粘附涂层。
作为优选的，所述舱体位于恒温室内，或者舱体的外部设有保温层。
作为优选的，所述舱体由玻璃、氟化物板和/或不锈钢材料组成。
与现有技术相比，本发明的有益效果在于：
本发明能够避免环境因素或其他不确定因素对测试结果造成的干扰，半导体制冷片或者液体调温夹套能制冷和/或制热，通过检测舱内温度可 控制半导体制冷片或者液体调温夹套制冷或制热，使舱内温度恒定，并且外部过滤装置能够对舱体内原始的污染空气进行过滤。本发明的结构简单，成本低，可提供一个可控温度、相对湿度和背景浓度的恒温和/或恒湿的洁净舱体，为测试提供了一个稳定的标准测试环境，避免环境因素或其他不确定因素对测试结果的影响。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例一实施例提供的甲醛或VOC释放量测试及预处理简易舱的结构示意图；
图2是本发明实施例二实施例提供的甲醛或VOC释放量测试及预处理简易舱的结构示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例一
请参考图1，本发明的实施例一提供了一种甲醛或VOC释放量测试及预处理简易舱，包括舱体1，舱体1上装设有舱体门2、用于通入预设湿 度及流量的洁净空气的进气口3和用于排气及泄压的排气口4，舱体1的外壁上装设有至少一个能制冷和/或制热的半导体制冷片5，舱体1的内部装设有搅拌风机6，舱体1的外壁上装设有位于半导体制冷片5的导热区的温度传感器7，舱体1的内部安装有用于检测舱内温度湿度的温度湿度传感器17。
在本实施例中，该舱体1可以由玻璃、氟化物板和/或不锈钢材料组成。较佳的，半导体制冷片5可以设置有多块，在一个半导体制冷片5出现故障时，其他半导体制冷片也能正常工作。当然，半导体制冷片5的数量可根据实际需要进行改变。
工作时，半导体制冷片5可通过舱壁导热，温度传感器7可检测舱壁的温度，从而控制半导体制冷片5制冷或制热，使舱内温度恒定，同时也能控制舱壁最低温度限值，防止出现结露现象。搅拌风机6可通过气流带走舱壁的制冷量或制热量，其中，搅拌风机6可以优选设置为变频可调的风机。
如图1所示，舱体1的外部连接有与舱体1的内部相连通的过滤风道8，过滤风道8上装设有进气开关阀9、出气开关阀10和位于进气开关阀9与出气开关阀10之间的过滤装置及过滤风机11。在本实施例中，具体而言，该过滤装置可以包括甲醛和/或VOC过滤器18和/或粉尘过滤器12，甲醛和/或VOC过滤器18和/或粉尘过滤器12连接在过滤风道8上。过滤风机11能够加快气体流通，提高过滤速度。在测试前，外部过滤装置能够对舱体内原始的污染空气进行过滤，提高测试精度。
除了使用半导体制冷片5控制舱内温度之外，舱体1的内部还可以装设有用于调节舱内温度的加热器13。
如图1所示，舱体1的排气口4处还可以连接有排气泵14和/或排气阀，相应的，舱体1的内部装设有压力传感器15。工作时，通过排气泵14排气或者调节排气阀，能够控制舱体1的内部压力和排出舱体内原始的污染空气，测试前，洁净空气通过进气口3进入舱体内，将舱体内原始的污染空气排挤出来。
较佳的，舱体1的内壁上可以设有用于防止甲醛或VOC粘附在内壁上的防粘附涂层，进一步提高测试精度。
在实际使用时，可以将舱体1置于恒温室内，或者在舱体1的外部设置保温层进行保温。
实施例二
请参考图2，本发明的实施例二提供了另一种甲醛或VOC释放量测试及预处理简易舱，包括舱体1，舱体1上装设有舱体门2、用于通入预设湿度及流量的洁净空气的进气口3和用于排气及泄压的排气口4，舱体1的外壁上装设有至少一个能制冷和/或制热的液体调温夹套16，舱体1的内部装设有搅拌风机6，舱体1的外壁上装设有用于液体调温夹套16测温的温度传感器7，舱体1的内部安装有用于检测舱内温度湿度的温度湿度传感器17。
在本实施例中，液体调温夹套16为舱体外壁至少一处可流通液体的腔室，腔室的内部装设有用于控制液体温度的加热及制冷装置，所述温度传感器7感知液体温度，控制加热及制冷装置调节流过腔室的液体温度，从而间接控制舱体内部温度。
在此需要说明的是，本实施例二的甲醛或VOC释放量测试及预处理简易舱的其他结构与上述实施例一的甲醛或VOC释放量测试及预处理简易舱 的结构相同，在此不再赘述。
综上所述，本发明的结构简单，成本低，可提供一个可控温度、相对湿度和背景浓度的恒温和/或恒湿的洁净舱体，为测试提供了一个稳定的标准测试环境，避免环境因素或其他不确定因素对测试结果的影响。
上述实施例为本发明较佳的实施方式，但本发明的实施方式并不受上述实施例的限制，其他的任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均应为等效的置换方式，都包含在本发明的保护范围之内。

Claims (10)

  1. 一种甲醛或VOC释放量测试及预处理简易舱，其特征在于：包括舱体(1)，所述舱体(1)上装设有舱体门(2)、用于通入预设湿度及流量的洁净空气的进气口(3)和用于排气及泄压的排气口(4)，所述舱体(1)的壁上装设有至少一个能制冷和/或制热的半导体制冷片(5)或者液体调温夹套(16)，所述舱体(1)的内部装设有搅拌风机(6)，所述舱体(1)的壁上装设有位于半导体制冷片(5)的导热区或者用于液体调温夹套(16)测温的温度传感器(7)，所述舱体(1)的内部安装有用于检测舱内温度湿度的温度湿度传感器(17)。
  2. 根据权利要求1所述的甲醛或VOC释放量测试及预处理简易舱，其特征在于：所述舱体(1)的外部连接有与舱体(1)的内部相连通的过滤风道(8)，所述过滤风道(8)上装设有进气开关阀(9)、出气开关阀(10)和位于进气开关阀(9)与出气开关阀(10)之间的过滤装置及过滤风机(11),所述过滤装置包括甲醛和/或VOC过滤器(18)、和/或粉尘过滤器(12)，所述甲醛和/或VOC过滤器(18)、和/或粉尘过滤器(12)连接在过滤风道(8)上。
  3. 根据权利要求1所述的甲醛或VOC释放量测试及预处理简易舱，其特征在于：所述液体调温夹套(16)为舱体外壁至少一处可流通液体的腔室，所述腔室的内部和/或流动管道上装设有用于控制液体温度的加热及制冷装置，所述温度传感器(7)感知液体温度，控制加热及制冷装置调节流过腔室的液体温度，从而间接控制舱体内部温度。
  4. 根据权利要求1所述的甲醛或VOC释放量测试及预处理简易舱， 其特征在于：所述搅拌风机(6)设置为变频可调的风机。
  5. 根据权利要求1所述的甲醛或VOC释放量测试及预处理简易舱，其特征在于：所述舱体(1)的内部装设有用于调节舱内温度的加热器(13)。
  6. 根据权利要求1所述的甲醛或VOC释放量测试及预处理简易舱，其特征在于：所述舱体(1)的排气口(4)处连接有用于通过排气控制舱体(1)内部压力的排气泵(14)和/或排气阀。
  7. 根据权利要求6所述的甲醛或VOC释放量测试及预处理简易舱，其特征在于：所述舱体(1)的内部装设有压力传感器(15)。
  8. 根据权利要求1所述的甲醛或VOC释放量测试及预处理简易舱，其特征在于：所述舱体(1)的内壁上设有用于防止甲醛或VOC粘附在内壁上的防粘附涂层。
  9. 根据权利要求1所述的甲醛或VOC释放量测试及预处理简易舱，其特征在于：所述舱体(1)位于恒温室内，或者舱体(1)的外部设有保温层。
  10. 根据权利要求1所述的甲醛或VOC释放量测试及预处理简易舱，其特征在于：所述舱体(1)由玻璃、非金属板和/或不锈钢材料组成。
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