CN213302126U - Walk-in VOC sampling environment cabin - Google Patents
Walk-in VOC sampling environment cabin Download PDFInfo
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- CN213302126U CN213302126U CN202021249272.2U CN202021249272U CN213302126U CN 213302126 U CN213302126 U CN 213302126U CN 202021249272 U CN202021249272 U CN 202021249272U CN 213302126 U CN213302126 U CN 213302126U
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Abstract
The utility model belongs to the technical field of the environmental monitoring, especially, a walk-in VOC sampling environment cabin, including the temperature control test case, the inside fixed mounting of temperature control test case has the working bin, and the outside movable mounting of working bin and temperature control test case has the door. The utility model discloses a step-in VOC sampling environment cabin has been avoided the direct temperature control to the interior air circumstance of working bin, and the environmental temperature change under the maximize simulation natural state has improved the accuracy of analog data; the temperature in the cabin is indirectly controlled by controlling the temperature of the interlayer air, the interlayer air is forced to rapidly circulate through the fan with the air channel and the inside of the temperature control pipeline, the air density is low, the specific heat is high, the mass is low, the energy required to be driven is low, the control is efficient, the whole working cabin participates in heat exchange, and the uniformity of the temperature is very good.
Description
Technical Field
The utility model relates to an environmental detection technical field specifically is a step-in VOC sampling environment cabin.
Background
Wooden products, furniture, floors, carpets, footwear products, building decoration materials, automobile interior lamp materials and other products in contact with the human body can volatilize substances harmful to the human body, such as voc (volatile organic compounds), formaldehyde and the like, and especially for the products placed in secret books, rooms with closed spaces and automobiles, the accumulated concentration can be higher, and the health hazard is larger.
The test box provides a clean closed space, controls the temperature, the humidity, the wind power, the relative pressure and the ventilation rate in the bin, is used for simulating the pollutant release process of the product in a specific environment, determines the release amount of the pollutant through detecting the concentration of the pollutant in the bin, and is used for evaluating the environment-friendly water quality of the product.
There are the following problems:
among the prior art, what adopt usually to the inside temperature control of proof box is that the inside temperature control of direct working bin carries out, heats and cools down through the air to the inside working bin and simulate volatile substance concentration under the different temperatures, however the temperature variation under this kind of temperature control mode can't be close natural state, has leaded to the data of proof box simulation inaccurate, can't effectively aassessment the environmental protection level of shoveling.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a walk-in VOC sampling environment cabin has solved the temperature variation under the unable natural state that is close, and the data that has leaded to the proof box simulation is inaccurate, the environmental protection level's of unable effective aassessment shovel problem.
In order to achieve the above object, the utility model provides a following technical scheme: the walk-in VOC sampling environment cabin comprises a temperature control test box, wherein a working bin is fixedly arranged inside the temperature control test box, a bin door is movably arranged outside the working bin and the temperature control test box, a driving box is fixedly arranged on the outer side end of the temperature control test box, a heating assembly and a refrigerating assembly are fixedly arranged inside the temperature control test box, an air sleeve is fixedly arranged between a heat insulation shell of a warehouse board and the working bin, a temperature control pipeline is fixedly connected inside the driving box, an air inlet and an air outlet are formed between the temperature control pipeline and the air sleeve, and the temperature control pipeline is fixedly connected with a circulating fan which is installed at the bottom end inside the driving box.
As a preferred technical scheme of the utility model, be provided with bottom circulation channel between the bottom of working bin and the temperature control test box, just carry out the circulation of air between bottom circulation channel and the air cover, the adiabatic shell of storehouse board and air cover intercommunication are passed on the upper portion of control by temperature change pipeline, pass the adiabatic shell of storehouse board and air cover intercommunication after the bottom and circulating fan of control by temperature change pipeline are connected.
As a preferred technical scheme of the utility model, the upper end of control by temperature change pipeline is provided with the air intake with the inside intercommunication department of control by temperature change test box, circulating fan's side is provided with the air outlet with the inside intercommunication department of control by temperature change test box, air jacket parcel formula sets up between working bin and control by temperature change test box, the air jacket is the circulation of air cavity.
As a preferred technical scheme of the utility model, heating element includes the compressor, compressor fixed mounting is in the inside of control by temperature change pipeline, the compressor passes through parallel circuit and driving motor fixed connection, refrigeration subassembly includes the condenser, driving motor passes through driving circuit and condenser fixed connection.
As a preferred technical scheme of the utility model, the compressor carries out the compression heating through compressed air to the inside air of control by temperature change pipeline, the condenser refrigerates the air through the condensation effect, and the cold that heating element, refrigeration subassembly made, hot-blast air intake that sets up through control by temperature change pipeline tip enter into the inside of air jacket, enter into bottom circulation channel through the circulation of air simultaneously, the air intake circulation that sets up through control by temperature change pipeline bottom gets into the control by temperature change pipeline.
As a preferred technical scheme of the utility model, the outside fixed mounting of drive case has the heat dissipation window, and the inside of drive case not communicate with the inside of control by temperature change proof box.
Compared with the prior art, the utility model provides a step-in VOC sampling environment cabin possesses following beneficial effect:
1. this walk-in VOC sampling environment cabin through setting up an air cover indirect temperature test case, through addding the air intermediate layer outside the working bin, controls the temperature in the storehouse through the inside air temperature of control intermediate layer, has avoided the direct temperature control to the internal air environment of working bin, and the ambient temperature under the maximize simulation natural state changes, has improved analog data's accuracy.
2. This walk-in VOC sampling environment cabin, through setting up an air cover indirect temperature test case, temperature in the indirect control storehouse is come through the temperature of control intermediate layer air, the intermediate layer air is through the inside fan forced rapid cycle of wind channel and control by temperature change pipeline, there are heating device in the wind channel, refrigerating plant, control the inside temperature of working bin, and because air density is little, the specific heat is big, the quality is little, it is little to need driven energy, control is high-efficient, and whole working bin has all participated in the heat exchange, the homogeneity of temperature is very good.
Drawings
FIG. 1 is a schematic structural view of the internal working principle of the temperature control test box of the present invention;
fig. 2 is a schematic side view of the temperature control test chamber of the present invention;
fig. 3 is a schematic view of the overlooking structure of the temperature control test box of the present invention.
In the figure: 1. a temperature control test chamber; 2. a storage panel insulation housing; 3. a working bin; 4. an air jacket; 5. a drive box; 6. a temperature controlled pipeline; 7. a circulating fan; 8. a heating assembly; 9. a refrigeration assembly; 10. a bottom circulation channel; 11. a bin gate; 12. a heat dissipation window; 13. a drive motor; 14. a condenser; 15. a fan; 16. a compressor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Among the prior art, the inside fixed mounting of control by temperature change proof box 1 has working bin 3, working bin 3 has door 11 with the outside movable mounting of control by temperature change proof box 1, the outside lateral end fixed mounting of control by temperature change proof box 1 has drive box 5, the inside fixed mounting of control by temperature change proof box 1 has heating element 8 and refrigeration component 9, compressor 16 that heating element 8 includes heats the air through compressed air, realize the temperature rising of air, improve the inside temperature of control by temperature change proof box 1, the realization is to the heating of working bin 3, condense the air through driving motor 13, the air temperature who makes reduces, the realization is to the cooling of working bin 3.
Examples
Referring to fig. 1-3, in this embodiment: the utility model provides a walk-in VOC sampling environment cabin, including temperature control test box 1, the inside fixed mounting of temperature control test box 1 has working bin 3, working bin 3 has door 11 with temperature control test box 1's outside movable mounting, the outside side fixed mounting of temperature control test box 1 has drive box 5, temperature control test box 1's inside fixed mounting has heating element 8 and refrigeration assembly 9, the fixed air cover 4 that is provided with between storehouse board adiabatic shell 2 and the working bin 3, the inside fixedly connected with temperature control pipeline 6 of drive box 5, be provided with air intake and air outlet between temperature control pipeline 6 and the air cover 4, and the circulating fan 7 fixed connection of the inside bottom installation of temperature control pipeline 6 and drive box 5.
In this embodiment, be provided with bottom circulation channel 10 between the bottom of working bin 3 and temperature control test box 1, and carry out the circulation of air between bottom circulation channel 10 and the air cover 4, the adiabatic shell of storehouse board 2 and the air cover 4 intercommunication are passed on the upper portion of temperature control pipeline 6, the bottom of temperature control pipeline 6 passes the adiabatic shell of storehouse board 2 and the air cover 4 intercommunication after being connected with circulating fan 7, the upper end of temperature control pipeline 6 is provided with the air intake with the inside intercommunication department of temperature control test box 1, the side of circulating fan 7 is provided with the air outlet with the inside intercommunication department of temperature control test box 1, 4 parcel formulas of air cover set up between working bin 3 and temperature control test box 1, air cover 4 is the circulation of air cavity. Heating element 8 includes compressor 16, and compressor 16 fixed mounting is in the inside of control by temperature change pipeline 6, and compressor 16 passes through parallel circuit and driving motor 13 fixed connection, and refrigeration subassembly 9 includes condenser 14, and driving motor 13 passes through driving circuit and condenser 14 fixed connection. The compressor 16 compresses and heats air inside the temperature control pipeline 6 through compressed air, the condenser 14 refrigerates the air through a condensation effect, cold air and hot air made by the heating component 8 and the refrigerating component 9 enter the air sleeve 4 through air inlets formed in the end part of the temperature control pipeline 6, enter the bottom circulating channel 10 through air circulation, circularly enter the temperature control pipeline 6 through the air inlets formed in the bottom part of the temperature control pipeline 6, the heat dissipation window 12 is fixedly installed on the outer part of the driving box 5, and the inner part of the driving box 5 is not communicated with the inner part of the temperature control test box 1; the air interlayer is additionally arranged outside the working bin 3, and the temperature in the bin is controlled by controlling the air temperature in the interlayer, so that the direct temperature control of the air environment in the working bin 3 is avoided, the environment temperature change in a natural state is simulated to the maximum extent, and the accuracy of the simulated data is improved; the temperature in the cabin is indirectly controlled by controlling the temperature of the interlayer air, the interlayer air is forced to rapidly circulate through a fan 15 in an air channel and a temperature control pipeline 6, a heating device, a compressor 16, a refrigerating device and a condenser 14 are arranged in the air channel to control the temperature in the working cabin 3, and the temperature is controlled very well because the air density is small, the specific heat is large, the quality is small, the energy required to be driven is small, the control is efficient, the whole working cabin 3 participates in heat exchange, and the uniformity of the temperature is very good.
The compressor 16, the driving motor 13, the fan 15 and the circulating fan 7 in the embodiment are known technologies which are already disclosed and widely applied to daily life.
The utility model discloses a theory of operation and use flow: when the temperature control in the walk-in type VOC sampling environment cabin 1 is carried out, the air is subjected to cold and hot replacement through the heating component 8 and the refrigerating component 9 in the temperature control pipeline 6, the heated or refrigerated air forms air flow through the fan 15 and enters the air sleeve 4 from the air inlet at the upper end of the temperature control pipeline 6, so that the replacement of the air in the air sleeve 4 is realized, the cold and hot quantity in the air sleeve 4 is transferred to the inside of the working bin 3, the temperature control in the working bin 3 is indirectly realized, meanwhile, the circulation of the air is realized through the bottom circulating channel 10 at the bottom of the working bin 3, the air which completes the cold and hot exchange circularly enters the temperature control pipeline 6 through the circulating fan 7 at the air outlet arranged at the bottom, the circulation heating and refrigerating of the air in the air sleeve 4 are realized, the temperature in the working bin 3 is effectively controlled, and the air density is low, the specific heat is big, the quality is little, and the energy that needs the drive is little, and control is high-efficient, and whole working bin 3 has all participated in the heat exchange, and the homogeneity of temperature is very good.
The air jacket 4 is a sealed space formed between the heat insulation shell 2 of the warehouse board and the working bin 3, which is equivalent to the working bin 3 is wrapped by a layer of air, and the temperature in the working bin 3 is indirectly controlled by controlling the temperature of the interlayer air.
The warehouse board heat insulation shell 2: the surface is a high-strength color steel plate with the thickness of 0.8mm, and the middle is filled with a high-density polyurethane heat-insulating material with the thickness of 100 mm; surface treatment: and (4) electrostatic spraying. Good thermal insulation can prevent that the test temperature from controlling and examining 1 interior energy loss, keeps apart the influence of environment to working bin 3 simultaneously, guarantees that equipment operation is stable.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a walk-in VOC sampling environment cabin, includes control by temperature change proof box (1), the inside fixed mounting of control by temperature change proof box (1) has working bin (3), working bin (3) and the outside movable mounting of control by temperature change proof box (1) have door (11), the outside side fixed mounting of control by temperature change proof box (1) has drive case (5), the inside fixed mounting of control by temperature change proof box (1) has heating element (8) and refrigeration subassembly (9), its characterized in that: an air sleeve (4) is fixedly arranged between the heat insulation shell (2) of the warehouse board and the working bin (3), a temperature control pipeline (6) is fixedly connected inside the driving box (5), an air inlet and an air outlet are arranged between the temperature control pipeline (6) and the air sleeve (4), and the temperature control pipeline (6) is fixedly connected with a circulating fan (7) arranged at the bottom end inside the driving box (5).
2. The walk-in VOC sampling environment of claim 1, wherein: a bottom circulation channel (10) is arranged between the bottom of the working bin (3) and the temperature control test box (1), air circulation is carried out between the bottom circulation channel (10) and the air sleeve (4), the upper portion of the temperature control pipeline (6) penetrates through the heat insulation shell (2) of the warehouse board and is communicated with the air sleeve (4), and the bottom of the temperature control pipeline (6) is connected with the circulating fan (7) and then penetrates through the heat insulation shell (2) of the warehouse board and is communicated with the air sleeve (4).
3. A step-in VOC sampling environmental chamber according to claim 2, wherein: an air inlet is formed in the communicated position of the upper end of the temperature control pipeline (6) and the inside of the temperature control test box (1), an air outlet is formed in the communicated position of the side end of the circulating fan (7) and the inside of the temperature control test box (1), the air sleeve (4) is arranged between the working bin (3) and the temperature control test box (1) in a wrapping mode, and the air sleeve (4) is an air circulation cavity.
4. The walk-in VOC sampling environment of claim 1, wherein: heating element (8) are including compressor (16), compressor (16) fixed mounting is in the inside of control by temperature change pipeline (6), compressor (16) are through parallel circuit and driving motor (13) fixed connection, refrigeration subassembly (9) are including condenser (14), driving motor (13) are through driving circuit and condenser (14) fixed connection.
5. A walk-in VOC sampling environment of claim 4 wherein: the compressor (16) compresses and heats the air inside the temperature control pipeline (6) through compressed air, the condenser (14) refrigerates the air through a condensation effect, cold air and hot air made by the heating component (8) and the refrigerating component (9) enter the air sleeve (4) through an air inlet formed in the end part of the temperature control pipeline (6), enter the bottom circulation channel (10) through air circulation, and enter the temperature control pipeline (6) through an air inlet circulation formed in the bottom of the temperature control pipeline (6).
6. The walk-in VOC sampling environment of claim 1, wherein: the external fixed mounting of drive case (5) has heat dissipation window (12), and the inside of drive case (5) does not communicate with the inside of control by temperature change proof box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021249272.2U CN213302126U (en) | 2020-06-30 | 2020-06-30 | Walk-in VOC sampling environment cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021249272.2U CN213302126U (en) | 2020-06-30 | 2020-06-30 | Walk-in VOC sampling environment cabin |
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| Publication Number | Publication Date |
|---|---|
| CN213302126U true CN213302126U (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021249272.2U Active CN213302126U (en) | 2020-06-30 | 2020-06-30 | Walk-in VOC sampling environment cabin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460238A (en) * | 2022-02-14 | 2022-05-10 | 赛德检测技术(浙江)有限公司 | VOC release appearance of structure sectional type electron refrigeration piece accuse temperature |
-
2020
- 2020-06-30 CN CN202021249272.2U patent/CN213302126U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460238A (en) * | 2022-02-14 | 2022-05-10 | 赛德检测技术(浙江)有限公司 | VOC release appearance of structure sectional type electron refrigeration piece accuse temperature |
| CN114460238B (en) * | 2022-02-14 | 2023-08-15 | 赛德检测技术(浙江)有限公司 | VOC release appearance of structure sectional type electronic refrigeration piece accuse temperature |
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