CN218766055U - Purifier test chamber and test system - Google Patents
Purifier test chamber and test system Download PDFInfo
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- CN218766055U CN218766055U CN202223489503.9U CN202223489503U CN218766055U CN 218766055 U CN218766055 U CN 218766055U CN 202223489503 U CN202223489503 U CN 202223489503U CN 218766055 U CN218766055 U CN 218766055U
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Abstract
The utility model provides a clarifier test compartment and test system, clarifier test compartment includes: the cabin body is provided with a test space which is arranged in a closed mode and is provided with an air inlet and an air outlet; the exhaust assembly comprises an exhaust box, a fan unit movably assembled in the exhaust box, an exhaust pipe fixed on one side of the exhaust box, which is far away from the cabin body and communicated with the exhaust box, and a switch valve arranged on the exhaust pipe, wherein the exhaust pipe is communicated with an exhaust port through the exhaust box, and the fan unit can move into the test space; and the control assembly is electrically connected with the fan unit and the switch valve. When the fan unit moves to the test space, the control component controls the switch valve to be closed and the fan of the fan unit to rotate forwards, at the moment, the fan can evenly stir pollutants in the test space, the fan unit is provided with a plurality of fans, and large ground airflow stirring can be generated, so that the stirring time is shortened, the test time of a single air purifier is greatly shortened, and the test efficiency is improved.
Description
Technical Field
The utility model relates to an air purifier tests technical field, especially relates to a clarifier test chamber and test system.
Background
At present, for the performance test of the air purifier, the purifying effect of the air purifier on harmful gases (such as formaldehyde, ammonia gas, toluene and the like) and particulate matters in the air is usually tested. Generally arrange air purifier in the test chamber, pollutant generating device injects pollutant (harmful gas or particulate matter) to the under-deck space, and detection device detects the pollutant concentration in under-deck space around air purifier purifies to air purifier's purifying effect is surveyed, the test to air purifier's performance is accomplished.
In the related art, a stirring fan is generally provided in the cabin to uniformly distribute the contaminants in the space in the cabin. Stirring fan is usually for setting up a ceiling fan at the test chamber top, however, in order to avoid the pivot fracture of ceiling fan, the slew velocity of ceiling fan is less for the ceiling fan will stir the required time of evenly distributed with the pollutant in under-deck space longer, thereby prolonged single air purifier's test time greatly, reduce efficiency of software testing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a clarifier test compartment and test system are provided, it is great to aim at solving the data error that obtains in the correlation technique to the air purifier purification performance test, problem that the practicality is not strong.
In order to solve the technical problem, the utility model discloses the first aspect provides a clarifier test chamber, include:
the cabin body is provided with a test space which is arranged in a closed mode, and the cabin body is provided with an air inlet and an air outlet which are communicated with the test space and are arranged at intervals;
the exhaust assembly comprises an exhaust box which is hermetically fixed on the outer side of a cabin body and is communicated with the exhaust port, a fan unit which is movably assembled in the exhaust box, an exhaust pipe which is fixed on one side of the exhaust box far away from the cabin body and is communicated with the exhaust box, and a switch valve which is arranged on the exhaust pipe, the exhaust pipe is communicated with the exhaust port through the exhaust box, and the fan unit can move into the test space;
the control assembly is electrically connected to the fan set and the switch valve;
when the fan set moves into the test space, the control assembly controls the switch valve to be closed and the fan of the fan set to rotate forwards; when the fan unit moves into the exhaust box, the control assembly controls the switch valve to be opened and the fan of the fan unit to rotate reversely.
Preferably, the exhaust assembly further comprises a lifting assembly fixed on the inner wall of the exhaust box and electrically connected to the control assembly, and a fixing plate accommodated in the exhaust box and fixedly connected to the output end of the lifting assembly, the fan unit is assembled on the fixing plate, and the exhaust port is matched with the fixing plate.
Preferably, the cabin body includes the frame, is fixed in the bottom plate of frame bottom, be fixed in the roof at frame top and be fixed in the curb plate of frame week side, the bottom plate with the roof is made by metal material, the curb plate is made by glass materials, the air inlet is located the curb plate, the gas vent is located the roof.
Preferably, the top plate is provided with a sealing groove surrounding the exhaust port, and the purifier test chamber further comprises a sealing member embedded in the sealing groove and abutted against the exhaust box.
Preferably, the control assembly comprises a touch screen fixed on the side plate, and the touch screen is electrically connected to the exhaust assembly.
Preferably, the clarifier test chamber still includes the inner loop self-purification subassembly, the inner loop self-purification subassembly is including being fixed in the ventilation box of roof, be fixed in the ventilation box and with the filter that the control assembly electricity is connected and intercommunication the ventilation box just is located the first trachea and the second trachea at the relative both ends of filter, first trachea run through the curb plate and with test space intercommunication, the second trachea run through pass through the roof and with test space intercommunication.
Preferably, the curb plate is equipped with sampling hole and the sampling hole that the interval set up, the clarifier test chamber still includes to encircle the setting of sampling hole and be fixed in the operation gloves of curb plate.
Preferably, the purifier test chamber is further including set up in the hatch door of the cabin body with accept in lift platform in the test space, the hatch door compresses tightly through the handle on the cabin body, lift platform is used for going up and down the clarifier that awaits measuring.
Preferably, the purifier test chamber further comprises a heating device fixed in the test space, and the heating device is electrically connected to the control assembly.
The utility model discloses the second aspect provides a clarifier test system, include as above arbitrary clarifier test compartment, pollutant generating device and detection device, pollutant generating device be used for to carry the pollutant in the clarifier test compartment, detection device is used for detecting pollutant concentration in the clarifier test compartment.
The utility model discloses in a clarifier test chamber and test system compare with prior art, beneficial effect lies in: when the fan group moves into the testing space, the control assembly controls the switch valve to close and the fans of the fan group to rotate forwards, at the moment, the fans can uniformly stir pollutants in the testing space, and the fan group is provided with a plurality of fans which can generate large ground air flow for stirring, so that the stirring time is reduced, the testing time of a single air purifier is greatly reduced, and the testing efficiency is improved; when the fan unit moves to the exhaust box, the control assembly controls the switch valve to be opened and the fan of the fan unit to rotate reversely, the fan can discharge air in the test space, namely the fan of the fan unit can be used as a stirring fan and an exhaust fan, the stirring fan does not need to be arranged independently, and the intelligentization of the purifier test system is facilitated.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a fan unit in a purifier testing system according to an embodiment of the present invention in an exhaust state;
fig. 2 is the utility model discloses a fan of fan unit is in the structural sketch map of stirring state among clarifier test system.
In the drawings, each reference numeral indicates: 1. a cabin body; 11. a base plate; 12. a top plate; 13. a side plate; 131. a sampling hole; 132. an air inlet; 2. an exhaust assembly; 21. an exhaust box; 22. a fan unit; 23. an exhaust pipe; 24. a fixing plate; 3. a touch screen; 4. an internal circulation self-cleaning component; 41. a ventilation box body; 42. a first air pipe; 43. a second air pipe; 5. a cabin door; 6. a lifting platform; 61. a handle; 7. a handle; 8. operating gloves; 10. a purifier test chamber; 20. a pollutant generating device; 30. and (4) a detection device.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
Example (b):
referring to fig. 1 and 2, an embodiment of the present invention provides a purifier testing system, which includes a purifier testing chamber 10, a pollutant generating device 20, and a detecting device 30, wherein the pollutant generating device 20 is used for conveying pollutants into the purifier testing chamber 10, and the detecting device 30 is used for detecting the pollutant concentration in the purifier testing chamber 10. Specifically, place the clarifier that awaits measuring in clarifier test chamber 10, the clarifier that awaits measuring can be air purifier, pollutant generating device 20 is to the interior transport pollutant of clarifier test chamber 10, the pollutant can be harmful gas (like formaldehyde, ammonia, toluene etc.) or particulate matter, detection device 30 detects the pollutant concentration before the clarifier that awaits measuring purifies and the pollutant concentration after the clarifier that awaits measuring purifies, obtain air purifier's accumulative purification volume (CCM) and clean air volume (CADR) based on pollutant concentration and clean time, realize the test to the clarifier purifying capacity that awaits measuring.
As shown in the figure, the purifier test chamber 10 includes a chamber body 1, an exhaust assembly 2 and a control assembly, the chamber body 1 has a test space arranged in a closed manner, and the chamber body 1 is provided with an air inlet 132 and an air outlet which are communicated with the test space and arranged at intervals; the exhaust assembly 2 comprises an exhaust box 21 which is hermetically fixed on the outer side of the cabin body 1 and is communicated with the exhaust port, a fan set 22 which is movably assembled in the exhaust box 21, an exhaust pipe 23 which is fixed on one side of the exhaust box 21 away from the cabin body 1 and is communicated with the exhaust box 21, and a switch valve which is arranged on the exhaust pipe 23, wherein the exhaust pipe 23 is communicated with the exhaust port through the exhaust box 21, and the fan set 22 can move into the test space; the control component is electrically connected with the fan unit 22 and the switch valve; when the fan set 22 moves into the test space, the control component controls the switch valve to be closed and the fan of the fan set 22 to rotate forwards; when the fan unit 22 moves into the exhaust box 21, the control component controls the switch valve to be opened and the fan of the fan unit 22 to rotate reversely.
Referring to fig. 1 and 2, when the fan unit 22 moves into the test space, the control component controls the switch valve to close and the fans of the fan unit 22 to rotate forward, at this time, the fans are in a stirring state, the fans can uniformly stir pollutants in the test space, and the fan unit 22 is provided with a plurality of fans which can generate large ground airflow stirring, so that the stirring time is reduced, the test time of a single air purifier is greatly reduced, and the test efficiency is improved; when the fan unit 22 moves into the exhaust box 21, the control component controls the switch valve to be opened and the fan of the fan unit 22 to rotate reversely, and the fan is in an exhaust state at the moment and can exhaust air in the test space, namely the fan of the fan unit 22 can be used as a stirring fan or an exhaust fan, and the stirring fan does not need to be independently arranged, so that the intelligentization of the purifier test system is facilitated.
As shown in the drawings, in one embodiment, the exhaust assembly 2 further includes a lifting assembly fixed on the inner wall of the exhaust box 21 and electrically connected to the control assembly, and a fixing plate 24 accommodated in the exhaust box 21 and fixedly connected to the output end of the lifting assembly, the fan unit 22 is assembled on the fixing plate 24, and the exhaust port is matched with the fixing plate 24. Specifically, the lifting assembly can be two cylinders fixed on the inner wall of the exhaust box 21, the main body parts of the cylinders are fixed on the top of the exhaust box 21, and the telescopic parts of the cylinders are fixedly connected to the fixing plate 24, so that the lifting of the fixing plate 24 can be controlled through the cylinders, and the lifting assembly can lift the fan of the fan unit 22; the mounting plate 24 is sized slightly smaller than the vent opening to facilitate passage of the mounting plate 24 through the vent opening into the test space. In one embodiment, the fan set 22 has two fans, and the fan set 22 may have three, four or five fans according to actual needs, so as to increase the stirring airflow generated by the fan set 22; exhaust assembly 2 still includes that one end is fixed in the inner wall of exhaust case 21 and the guide bar that the other end stretches into in the test space, and lifting unit's drive direction is on a parallel with the length direction of guide bar, and wherein, the guide bar is equipped with two, and the guide bar can play the guide effect.
As shown in the drawings, in one embodiment, the cabin 1 includes a frame, a bottom plate 11 fixed to the bottom of the frame, a top plate 12 fixed to the top of the frame, and side plates 13 fixed to the peripheral sides of the frame, wherein the bottom plate 11 and the top plate 12 are made of metal materials, the side plates 13 are made of glass materials, the air inlets 132 are provided on the side plates 13, and the air outlets are provided on the top plate 12. Specifically, the bottom plate 11 and the top plate 12 are both stainless steel plates, so that the bottom plate 11 and the bottom plate 11 can be ensured to have enough hardness, and construction is facilitated; the side plate 13 is a glass plate, which is beneficial to observing the internal condition of the test space; the exhaust box 21 is fixed to the top plate 12 and communicates with an exhaust port, the air inlet 132 is located at the bottom of the side plate 13, and the exhaust port is located in the top plate 12, which facilitates the exhaust of air in the test space.
Preferably, the top plate 12 is provided with a sealing groove disposed around the exhaust port, and the purifier test chamber 10 further includes a sealing member embedded in the sealing groove and abutting against the exhaust box 21. Wherein, the sealing member can be the sealing washer, through the cooperation between sealing member and the seal groove for sealed fixed between exhaust box 21 and the roof 12, thereby avoid external atmosphere to get into in the test space from the clearance between exhaust box 21 and the roof 12.
As shown, in one embodiment, the control assembly includes a touch screen 3 secured to the side plate 13, the touch screen 3 being electrically connected to the exhaust assembly 2. Specifically, a first soft switch corresponding to the switch valve and a second soft switch corresponding to the lifting assembly are arranged on the touch screen 3, when the first soft switch is touched to be closed, the switch valve is closed, and when the first soft switch is touched to be opened, the switch valve is opened; when the second soft switch is touched to be turned on, the lifting assembly lifts the fixed plate 24, and at the moment, the fixed plate 24 and the fan set 22 enter the testing space; when the second soft switch is turned off, the lifting assembly retracts, and the fixing plate 24 and the fan unit 22 enter the exhaust box 21. According to actual needs, when the first soft switch is opened, the second soft switch is in a non-touch state, and therefore the interlock is formed.
As shown, in one embodiment, the purifier testing chamber 10 further comprises an internal circulation self-cleaning assembly 4, the internal circulation self-cleaning assembly 4 comprises a ventilation box body 41 fixed on the top plate 12, a filter fixed in the ventilation box body 41 and electrically connected with the control assembly, and a first air pipe 42 and a second air pipe 43 which are communicated with the ventilation box body 41 and located at two opposite ends of the filter, the first air pipe 42 penetrates through the side plate 13 and is communicated with the testing space, and the second air pipe 43 penetrates through the top plate 12 and is communicated with the testing space. Through setting up the filter, can purify the air in the test space for all be in under the standard test environment during test each time, thereby promote the accurate nature of test. According to actual needs, a first pneumatic valve is arranged in the first air pipe 42, and a second pneumatic valve is arranged in the second air pipe 43, so that when the internal circulation self-cleaning assembly 4 is not started, the first pneumatic valve and the second pneumatic valve are closed, and the first air pipe 42 and the second air pipe 43 are blocked.
It should be noted that the air inlet 132 and the exhaust assembly form an external circulation system, and the external circulation system can make the environment in the test space rapidly consistent with the external environment, specifically: the internal circulation self-cleaning assembly 4 is closed, the switch valve is opened, the fan unit 22 is retracted into the exhaust box 21 through the lifting assembly, the fan of the fan unit 22 is reversed to enable the fan to be in an exhaust state, and atmospheric air enters the test space from the air inlet 132 and is exhausted out of the test space through the exhaust port to the exhaust box 21 and the exhaust pipe 23. The inner loop self-purification subassembly forms inner loop system, and inner loop system can make the gas in the test space purify to clean state fast, specifically is: after the operation of the external circulation system, the environment in the test space is consistent with the external environment, the air inlet 132 and the switch valve are closed, the internal circulation system is started, the environment in the test space reaches the clean environment to be tested which meets the test standard, then the internal circulation system is closed, the pollutant generating device is started, and pollutants with required quantity are injected; then, the fan unit 22 is lifted to the test space through the lifting assembly, even if the fans of the fan unit 22 are in a stirring state, pollutants are uniformly distributed in the test space, and then related experiment operation is completed through the operation gloves 8 of the sampling holes.
As shown, in one embodiment, the side plate 13 is provided with sampling holes 131 and sampling holes arranged at intervals, and the purifier test chamber further comprises an operating glove 8 arranged around the sampling holes 131 and fixed on the side plate 13. The device comprises a plurality of sample inlets, a pollutant generating device 20, a detection device 30 and a control device, wherein the plurality of sample inlets are arranged, the pollutant generating device 20 conveys pollutants into a test space through one sample inlet, and the detection device collects the concentration of pollutants in the test space through one sample inlet; the glove 8 is manipulated for sampling.
As shown in the drawings, in one embodiment, the purifier testing chamber 10 further includes a chamber door 5 disposed on the chamber body 1 and a lifting platform 6 accommodated in the testing space, the chamber door 5 is pressed on the chamber body 1 by a handle 7, and the lifting platform 6 is used for lifting the purifier to be tested. The height of the lifting platform 6 can be adjusted through lifting, so that the purifier to be tested placed on the lifting platform 6 is ensured to be positioned in the center of the testing space, the purifier to be tested can be positioned in the operation range of the operation gloves 8, outdoor operation is facilitated, and specifically, the handle 61 of the lifting platform 6 is rotated, so that the purifier to be tested is lifted by the lifting platform 6; the cabin door 5 is tightly pressed through the handle 7, so that the sealing connection between the cabin door 5 and the cabin body 1 is realized, and the external atmosphere is prevented from flowing into the test space or pollutants are prevented from leaking. Preferably, the latch portion of the handle 7 is beveled, with the tighter the pressure.
As shown, in one embodiment, the purifier test chamber further comprises a heating device fixed in the test space, and the heating device is electrically connected to the control assembly. Wherein, heating device can evaporate liquid or solid pollution source, through operation adjustment heating temperature and heating time on touch-sensitive screen 3, closes heating device when the concentration in the test space reaches national standard concentration volume.
The purifier test system is illustrated by way of example below:
example 1:
the pollutant can be one of harmful gases such as acetaldehyde, ammonia gas, toluene, formaldehyde, acetic acid, etc., and the volume of the purifier test chamber 10 can be 8m 3 The sampling position is a point 120cm above the center of the bottom plate 11, and the purifier to be tested can be an air purifier.
Firstly, opening a hatch door 5, placing a purifier to be tested at a corresponding position in a test space according to model test standards, closing the hatch door 5, starting an internal circulation system after the external circulation system runs for a period of time, and purifying the cleanliness in the test space until the concentration of 0.3 mu m particles is less than 3x105 particles/m 3 (ii) a The pollutant generating device 20 conveys harmful gas into the test space, and the fans of the fan set 22 stir and straightenWhen the mixture is stirred uniformly (about 10 min), the detection device 30 measures the initial concentration of the harmful gas in the space to be detected after the mixture is stirred uniformly, and the purifier to be detected can be started for dynamic detection when the initial concentration reaches 9-11 ppm; after the purifier to be tested continuously purifies for 30min, the detection device 30 measures the stop concentration of harmful gas in the test space, and calculates the 30min removal rate of the gas.
Sequentially testing the removal rates of formaldehyde, ammonia gas, acetaldehyde, acetic acid and toluene according to the steps, and operating the internal circulation self-cleaning assembly 4 before each test so as to enable the test space to be in a standard test environment; the average value of the five gas removal rates is the total removal rate of the harmful gases.
Example 2:
the pollutant can be harmful gas formaldehyde, the purifier to be tested can be a vehicle-mounted air purifier, and the volume of the purifier test chamber 10 can be 3m 3 (3m 3 The measurable CADR range of the formaldehyde in the purifier test chamber 10 is less than 20 m/h), the purifier to be tested is placed at the central position of the space to be tested, the weight of the solid formaldehyde is between 0.0053g and 0.0055g, and the concentration after heating reaches 1 +/-0.2 mg/m specified by the national standard 3 。
Firstly, opening a cabin door 5, placing a to-be-detected purifier to be detected at a corresponding position in a test space according to a model test standard, closing the cabin door 5, and starting an internal circulation system after the external circulation system runs for a period of time to reduce the concentration in the test space to 0.02PPM; harmful gas formaldehyde is conveyed into the space to be tested by the pollutant generating device 20, the fan of the fan set 22 is stirred until the stirring is uniform, the harmful gas formaldehyde is uniformly distributed in the test space, after the stirring is uniform, the fan of the fan set 22 is closed, and the standing is carried out for 15min. After the test space is static, the detection device 30 is used for collecting the initial concentration of harmful gas formaldehyde in the test space and continuously collecting two groups of data. After data acquisition is finished, a purifier to be detected is purified for 1min, continuous sampling is started immediately after 1min,1 group is sampled every 5min in the experimental process, and the total sampling time is 60min. And after data are collected, respectively measuring the absorbance of the purifier to be measured, recording the data, and inputting all the data into a calculation formula to obtain the CADR value of the formaldehyde.
Example 3:
the pollutants can be smoke dust particles generated by cigarettes, in order to ensure that the initial concentration of the particles in the test space is within the specified concentration of 2 x 106/L-2 x 107/L and the smoke volume needs to reach the concentration of 20 ten thousand +/-1 ten thousand, the purifier to be tested can be a vehicle-mounted air purifier, and the volume of the purifier test chamber 10 can be 3m 3 And the vehicle-mounted air purifier is placed in the center of the space to be detected.
Firstly, opening a cabin door 5, placing a to-be-detected purifier to be detected at a corresponding position in a test space 13 according to a model test standard, closing the cabin door 5, and starting an internal circulation system after the external circulation system runs for a period of time to reduce the clean concentration of 0.3 mu m in the test space to be below 100 particles; and (3) conveying the smoke and dust particles into the space to be tested by using the pollutant generating device 20, starting the highest gear of the stirring fan to stir for 10min until the smoke and dust particles are uniformly distributed in the test space, and after the smoke and dust particles are uniformly stirred, closing the fan. After the test device is static, the detection device 30 is used for collecting the initial concentration of harmful gas formaldehyde in the test space, in the experimental process, the sampling time is 1min continuously, the 2 nd group of data is calculated from the tested initial concentration and is measured for 20min totally, after the data collection is finished, the 1 st group of data is recorded until the 10 th group of data is recorded, and 1 group of data is taken every two minutes. And inputting all the data into a calculation formula to obtain the CADR value of the smoke dust particles.
Example 4:
the pollutant can be harmful gas formaldehyde, two purifier test chambers 10 are provided, and one of the two purifier test chambers has a volume of 3m 3 And the other is 30m 3 The purifier to be tested is an air purifier which is suitable for testing the clean air quantity (CADR) of formaldehyde and is more than or equal to 40 m/h.
Firstly, testing an initial clean air value of a purifier to be tested, opening a cabin door 5, placing the purifier 40 to be tested at a corresponding position in a test space according to a model test standard, closing the cabin door 5, starting an internal circulation system after an external circulation system runs for a period of time, starting the purifier to be tested after a period of time, and stirring by a fan; harmful gas formaldehyde is conveyed into the space to be measured by utilizing the pollutant generating device 20, and is injected for 5-6 times within 8h, and the injection amount is not required each timeIf the number of the carbon fibers is more than 30, continuously running for 1h after the last addition, taking the concentration of the residual formaldehyde in the test space and the total injection amount minus the amount of the residual formaldehyde in the cabin as the actual removal amount, then closing the purifier to be tested, and standing the purifier to be tested in the test space for 16h; after 16h, the purifier to be tested is placed at 30m 3 The purifier test chamber 10 of (1), and measuring the clean air quantity value again; repeating the above steps to obtain the clean air amount values of 300 mg, 600 mg, 1000 mg and 1500 mg respectively, and ending the test when the actually measured clean air amount is less than or equal to 50% of the initial value.
Example 5:
the pollutants may be smoke particles generated by the cigarette, and the volume of the purifier test chamber 10 may be 3m 3 The purifier to be tested is an air purifier which is suitable for testing the clean air quantity (CADR) of formaldehyde and is more than or equal to 60 m/h.
Firstly, testing an initial clean air value of a purifier to be tested, opening a cabin door 5, placing the purifier to be tested at a corresponding position in a test space according to a model test standard, closing the cabin door 5, starting an internal circulation system after an external circulation system runs for a period of time, starting the purifier to be tested after a period of time, and stirring by a fan; conveying smoke dust particles (generated by a single cigarette) into the space to be measured by using the pollutant generating device 20, turning on a fan, stirring for 10 minutes, turning off the fan, standing for 10 minutes, and measuring the effective occurrence amount of the single cigarette; then purifying smoke particles by the purifier, and simultaneously starting the fan and the PM2.5 analyzer; continuously igniting 50 cigarettes by the pollutant generating device 20 and inputting smoke dust particles generated by the 50 cigarettes into the testing space until the concentration of the PM2.5 detector is reduced to 0.035mg/m 3 And when the air pressure is lower than the preset value, closing the purifier to be tested, closing the fan, standing for at least more than 30 minutes, and taking out the purifier to be tested. Then respectively lighting 50 cigarettes, 100 cigarettes, 150 cigarettes, 823060 \8230;, placing the purifier to be tested in 3m after loading 50 cigarettes 3 The experiment chamber tests the CADR value of the purifier to be tested, and then the filter screen is weighed once. And when the CADR of the purifier to be tested is actually measured to be less than or equal to 50% of the initial value, ending the experiment.
The accumulated purification amount and the clean air amount of each category of purifier to be tested for purifying harmful gas and particulate matters can be accurately and effectively measured in each example, so that the error obtained by the test is extremely small, and the practicability is high.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A purifier test chamber, comprising:
the cabin body is provided with a test space which is arranged in a closed mode, and the cabin body is communicated with the test space and is provided with air inlets and air outlets at intervals;
the exhaust assembly comprises an exhaust box which is hermetically fixed on the outer side of the cabin body and communicated with the exhaust port, a fan set which is movably assembled in the exhaust box, an exhaust pipe which is fixed on one side of the exhaust box, away from the cabin body, and communicated with the exhaust box, and a switch valve which is arranged on the exhaust pipe, wherein the exhaust pipe is communicated with the exhaust port through the exhaust box, and the fan set can move into the test space;
the control assembly is electrically connected to the fan set and the switch valve;
when the fan set moves into the test space, the control assembly controls the switch valve to be closed and the fan of the fan set to rotate forwards; when the fan unit moves into the exhaust box, the control assembly controls the switch valve to be opened and the fan of the fan unit to rotate reversely.
2. The purifier test chamber of claim 1, wherein the exhaust assembly further comprises a lifting assembly fixed on an inner wall of the exhaust box and electrically connected to the control assembly, and a fixing plate accommodated in the exhaust box and fixedly connected to an output end of the lifting assembly, the fan unit is assembled on the fixing plate, and the exhaust port is matched with the fixing plate.
3. The purifier test chamber of claim 1, wherein the chamber body comprises a frame, a bottom plate fixed at the bottom of the frame, a top plate fixed at the top of the frame, and side plates fixed at the sides of the frame, the bottom plate and the top plate are made of metal materials, the side plates are made of glass materials, the air inlet is arranged on the side plates, and the air outlet is arranged on the top plate.
4. The purifier test chamber of claim 3, wherein the top plate is provided with a sealing groove disposed around the exhaust port, and the purifier test chamber further comprises a sealing member embedded in the sealing groove and abutting against the exhaust box.
5. The purifier test chamber of claim 3, wherein the control assembly comprises a touch screen secured to the side panel, the touch screen being electrically connected to the exhaust assembly.
6. The purifier test chamber of claim 3, further comprising an internal circulation self-cleaning assembly, the internal circulation self-cleaning assembly comprising a ventilation box fixed to the top plate, a filter fixed in the ventilation box and electrically connected to the control assembly, and a first air pipe and a second air pipe communicating with the ventilation box and located at opposite ends of the filter, the first air pipe penetrating through the side plate and communicating with the test space, and the second air pipe penetrating through the top plate and communicating with the test space.
7. The purifier test chamber of claim 3, wherein the side panel is provided with sampling holes and sample inlet holes arranged at intervals, and the purifier test chamber further comprises handling gloves arranged around the sampling holes and fixed to the side panel.
8. The purifier test chamber of claim 1, further comprising a chamber door disposed on the chamber body and a lifting platform accommodated in the test space, wherein the chamber door is pressed against the chamber body by a handle, and the lifting platform is used for lifting a purifier to be tested.
9. The purifier test chamber of claim 1, further comprising a heating device secured within the test volume, the heating device being electrically connected to the control assembly.
10. A purifier testing system comprising the purifier testing chamber of any one of claims 1-9, a contaminant generating device for delivering a contaminant into the purifier testing chamber, and a detection device for detecting a concentration of the contaminant in the purifier testing chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223489503.9U CN218766055U (en) | 2022-12-21 | 2022-12-21 | Purifier test chamber and test system |
Applications Claiming Priority (1)
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