CN112985928A - High-efficient sample VOC test chamber structure that generates heat that consumes slowly - Google Patents
High-efficient sample VOC test chamber structure that generates heat that consumes slowly Download PDFInfo
- Publication number
- CN112985928A CN112985928A CN202110238189.8A CN202110238189A CN112985928A CN 112985928 A CN112985928 A CN 112985928A CN 202110238189 A CN202110238189 A CN 202110238189A CN 112985928 A CN112985928 A CN 112985928A
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- Prior art keywords
- low
- chamber
- test chamber
- refrigerating
- fan
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- 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
- G01N1/24—Suction devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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- 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—Specially adapted to detect a particular component
- G01N33/0047—Specially adapted to detect a particular component for organic compounds
Abstract
The invention discloses a high-efficiency and low-consumption heating sample VOC test chamber structure which comprises an outer chamber and a refrigerating inner chamber, wherein the outer chamber provides a constant temperature and humidity environment, the refrigerating inner chamber is arranged in the outer chamber, and at least one sampling port and an exhaust port are arranged on the refrigerating inner chamber; at least one fan and a heater are arranged on the inner wall of the refrigerating inner cabin, and a plurality of electronic refrigerating sheet modules are arranged on the periphery of each fan; the invention solves the technical problems that the existing test chamber for testing the VOC of the heating sample can not be efficiently stabilized at the temperature required by the sample and the energy consumption is more; adopt the refrigeration mode of electron refrigeration piece module, this technical scheme has compact structure, temperature balance response is fast, temperature balance is efficient, the sampling precision is high and practice thrift the advantage of electric energy.
Description
Technical Field
The invention relates to the field of heating sample VOC test chambers, in particular to a high-efficiency and low-consumption heating sample VOC test chamber structure.
Background
When the VOC/formaldehyde sampling detection is carried out on a heating sample or a heavy-load sample in the prior art, the temperature in the cabin is usually balanced through the heat radiation of the cabin wall, the sample to be detected is ensured to be in the specified temperature condition to release the VOC/formaldehyde, so that the testing precision is ensured, the traditional testing cabin can not reach the specified temperature value efficiently, the sampling precision can be influenced, and more electric energy is consumed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a high-efficiency and low-consumption heating sample VOC testing chamber structure, and solves the technical problems that the existing testing chamber for testing the heating sample VOC cannot efficiently and stably maintain the required temperature of the sample and consumes more energy.
In order to achieve the purpose, the invention provides a high-efficiency and low-consumption heating sample VOC test chamber structure, which comprises an outer chamber and a refrigerating inner chamber, wherein the outer chamber provides a constant temperature and humidity environment, the refrigerating inner chamber is arranged in the outer chamber, and at least one sampling port and an exhaust port are arranged on the refrigerating inner chamber; at least one fan and at least one electronic refrigeration piece module are arranged on the inner wall of the refrigeration inner cabin.
Preferably, a heater is arranged in the refrigerating inner cabin.
Preferably, the number of the fans is four.
Preferably, four electronic refrigeration piece modules are arranged on the periphery of the fan.
Preferably, an air guide partition plate is arranged at a position, close to the fan, inside the refrigerating inner chamber, and an air outlet is formed in the wall of the refrigerating inner chamber.
Preferably, a storage rack is arranged inside the refrigeration inner chamber.
Preferably, a heat insulation layer is arranged between the inner wall and the outer wall of the outer cabin, and the inner part of the outer cabin is respectively provided with a rotating fan blade, a heat exchanger and an evaporator.
Preferably, the inner wall of the refrigerated inner compartment is coated with a low-release low-adhesion coating structure.
Preferably, the fan is coated on its outer surface with a low-release low-adhesion coating structure.
Preferably, the outer surface of the electronic refrigeration piece module is coated with a coating structure with low release and low adhesion.
Compared with the prior art, the invention has the beneficial effects that:
during the use, the sample that will generate heat is placed in the refrigeration interior cabin, clean gas is pumped into to the outside cabin, clean gas discharges from the gas vent, guarantee that the inside in the refrigeration interior cabin can not influence the precision of follow-up sampling owing to there is more gaseous pollutant before the test, wherein the outside cabin can provide the environment of constant temperature and humidity, when the sample that generates heat is at the under-deck self when generating heat, refrigeration and the rotation of fan through a plurality of electronic refrigeration piece module just can balance the produced heat in the under-deck rapidly, the temperature condition when making the refrigeration interior cabin reach rapidly and satisfying VOC/formaldehyde sampling, after a period, the gas in the collection refrigeration interior cabin of follow sample connection can be sampled successfully, adopt the refrigeration mode of electronic refrigeration piece module, make this technical scheme have compact structure, the temperature balance response is fast, the temperature balance is efficient, the advantage of sampling precision height and saving electric energy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are 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 diagram of the internal structure of a high-efficiency low-consumption heat-generating sample VOC testing chamber structure, which is observed from the front;
fig. 2 is a schematic diagram of the internal structure of the high-efficiency low-consumption heat-generating sample VOC test chamber structure observed from the right side.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
As shown in fig. 1 and 2, the present invention provides a high-efficiency and low-consumption heating sample VOC test chamber structure, which includes an outer chamber 1 providing a constant temperature and humidity environment and a refrigerating inner chamber 2 disposed inside the outer chamber 1. Wherein the refrigerated interior 2 is provided with at least one sampling port 21 and an exhaust port 22. Wherein the inner wall of the refrigeration inner chamber 2 is provided with at least one fan 3 and a heater 10, and the periphery of each fan 3 is provided with a plurality of electronic refrigeration piece modules 4. In the present embodiment, the number of the fans 3 is preferably four, and four electronic chilling plate modules 4 are preferably arranged on the periphery of each fan 3. Wherein the inside of refrigeration interior 2 is provided with supporter 6, and the purpose of setting up this supporter 6 can bed hedgehopping sample, makes the top surface and the bottom surface of sample can both expose in refrigeration interior 2 omnidirectionally to improve the precision of sampling. In addition, the refrigerated interior 2 includes a glass window 23 therein, the glass window 23 facilitating a technician to view the conditions inside the refrigerated interior 2.
When the device is used, a heating sample is placed on the storage rack 6 in the refrigerating inner chamber 2, clean gas is pumped into the outer chamber 1, the clean gas is discharged from the exhaust port 22 of the refrigerating inner chamber 2, the condition that the subsequent sampling precision is not influenced by more polluted gas in the refrigerating inner chamber 2 before testing is ensured, wherein the outer chamber 1 can provide a constant-temperature and constant-humidity environment, when the heating sample is heated in the chamber, the heat generated in the chamber can be rapidly balanced through the refrigeration of a plurality of electronic refrigerating sheet modules 4, the heating of a heater and the rotation of a fan 3, so that the refrigerating inner chamber 2 can rapidly reach the temperature condition meeting the VOC/formaldehyde sampling time, after a period of time, the gas in the refrigerating inner chamber 2 is collected from the sampling port 21, the sampling can be successful, and the refrigerating mode of the electronic refrigerating sheet modules 4 is adopted, so that the technical scheme has the advantages of compact structure, rapid temperature balance response, rapid sampling speed of the temperature, and low, The temperature balance efficiency is high, the sampling precision is high and the electric energy is saved.
Specifically, an air guide partition plate 5 is arranged in the refrigeration inner chamber 2 at a position close to the fan 3, and an air outlet 51 is arranged on the wall of the refrigeration inner chamber 2. The flow direction of the gas in the refrigerating inner chamber 2 is shown by the arrow in fig. 1, and the heat exchange efficiency in the refrigerating inner chamber 2 is improved by the rotation of the fan 3, so that the heat generated in the chamber is rapidly balanced, and the refrigerating inner chamber 2 rapidly reaches the temperature condition meeting the VOC/formaldehyde sampling.
More specifically, a heat insulation layer 11 is arranged between the inner wall and the outer wall of the outer chamber 1, and the heat insulation layer 11 can ensure that the gas inside the outer chamber 1 is at a constant temperature, so that the influence on the sampling precision of the sample caused by an overlarge temperature difference is avoided. Specifically, the inside of the outer chamber 1 is provided with a rotating fan 7, a heat exchanger 8 and an evaporator 9, respectively, wherein the heat exchanger 8 can control the temperature of the gas inside the outer chamber 1, and in this embodiment, the heat exchanger 8 is preferably a heater. The evaporator 9 can control the humidity of the air in the outer chamber 1, and the temperature and the humidity of the air in the outer chamber 1 can be uniformly mixed by the rotation of the fan blades 7.
Further, in the field of detecting VOC or formaldehyde, in order to improve the test accuracy of the sample, the inner wall of the refrigeration inner chamber 2 is coated with a low-release low-adhesion coating structure, the outer surface of the fan 3 is coated with a low-release low-adhesion coating structure, and the outer surface of the electronic refrigeration piece module 4 is coated with a low-release low-adhesion coating structure.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a sample VOC test chamber structure that generates heat that high-efficient low consumption, includes outer cabin (1) that provides constant temperature and humidity environment, its characterized in that:
the refrigerator is characterized by also comprising a refrigeration inner chamber (2) arranged in the outer chamber (1), wherein the refrigeration inner chamber (2) is provided with at least one sampling port (21), an exhaust port (22) and an air inlet; the inner wall of the refrigeration inner chamber (2) is provided with at least one fan (3) and at least one electronic refrigeration piece module (4).
2. The high-efficiency low-consumption heat-generating sample VOC test chamber structure of claim 1, wherein a heater (10) is arranged in the refrigerating inner chamber (2).
3. A high efficiency, low cost, heat generating sample VOC test chamber structure according to claim 1, wherein the number of said fans (3) is four.
4. The high-efficiency low-consumption heating sample VOC testing chamber structure is characterized in that four electronic refrigerating sheet modules (4) are arranged on the periphery of the fan (3).
5. The high-efficiency low-consumption heating sample VOC test chamber structure is characterized in that an air guide partition plate (5) is arranged in the refrigerating inner chamber (2) at a position close to the fan (3), and an air outlet (51) is formed in the wall of the refrigerating inner chamber (2).
6. The high-efficiency low-consumption heating sample VOC test chamber structure is characterized in that a storage rack (6) is arranged inside the refrigerating inner chamber (2).
7. The high-efficiency low-consumption heating sample VOC test chamber structure is characterized in that a heat insulation layer (11) is arranged between the inner wall and the outer wall of the outer chamber (1), and a rotating fan blade (7), a heat exchanger (8) and an evaporator (9) are respectively arranged inside the outer chamber (1).
8. A high efficiency, low energy consumption, heat generating sample VOC test chamber structure as claimed in claim 1, wherein the inner wall of said refrigerated interior chamber (2) is coated with a low release, low adhesion coating structure.
9. A high efficiency, low cost, heat generating sample VOC test chamber structure according to claim 1 wherein the fan (3) is coated on its outer surface with a low release, low adhesion coating structure.
10. The high-efficiency low-consumption heating sample VOC test chamber structure is characterized in that the external surface of the electronic refrigeration sheet module (4) is coated with a low-release low-adhesion coating structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110238189.8A CN112985928A (en) | 2021-03-04 | 2021-03-04 | High-efficient sample VOC test chamber structure that generates heat that consumes slowly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110238189.8A CN112985928A (en) | 2021-03-04 | 2021-03-04 | High-efficient sample VOC test chamber structure that generates heat that consumes slowly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112985928A true CN112985928A (en) | 2021-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110238189.8A Pending CN112985928A (en) | 2021-03-04 | 2021-03-04 | High-efficient sample VOC test chamber structure that generates heat that consumes slowly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112985928A (en) |
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2021
- 2021-03-04 CN CN202110238189.8A patent/CN112985928A/en active Pending
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