CN211697613U - Hollow glass dew point instrument - Google Patents
Hollow glass dew point instrument Download PDFInfo
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- CN211697613U CN211697613U CN202020349795.8U CN202020349795U CN211697613U CN 211697613 U CN211697613 U CN 211697613U CN 202020349795 U CN202020349795 U CN 202020349795U CN 211697613 U CN211697613 U CN 211697613U
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- dew point
- temperature
- refrigeration compressor
- measuring head
- stage refrigeration
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Abstract
The utility model relates to a cavity glass detecting instrument for building specifically indicates a building cavity glass dew point detection appearance, is suitable for the cavity glass laboratory and detects. The dry ice refrigerating dew point instrument solves the problems that a dry ice refrigerating dew point instrument is limited by dry ice purchasing and storage and the problems of low semiconductor refrigerating efficiency and high failure rate. Can refrigerate fast, accurate accuse temperature. The device comprises a high-temperature-stage refrigeration compressor, an air-cooled condenser, an evaporative condenser, a hollow glass test piece, a dew point instrument measuring head and a low-temperature-stage refrigeration compressor; the evaporative condenser is respectively connected with the air-cooled condenser, the high-temperature-stage refrigeration compressor, the low-temperature-stage refrigeration compressor and the dew point instrument measuring head; the air-cooled condenser is connected with the high-temperature-stage refrigeration compressor, and the low-temperature-stage refrigeration compressor is connected with the dew point instrument measuring head; during measurement, the hollow glass test piece is placed on the top of the dew point instrument measuring head.
Description
Technical Field
The utility model relates to a cavity glass detecting instrument for building specifically indicates a building cavity glass dew point detection appearance, is suitable for the cavity glass laboratory and detects.
Background
The detection of the dew point of the hollow glass is one of the main contents of the detection and evaluation of the energy conservation of buildings, in recent years, along with the increasing shortage of fossil energy, the nation pays more attention to the energy conservation of buildings, the heat transfer energy consumption of the outer window glass accounts for about 30 percent of the total energy consumption of the buildings in China, and particularly, the energy consumption ratio is large in winter heating in the north every year. The main factor influencing the energy consumption of the building is the heat insulation performance of the building. The detection of the dew point of the hollow glass of the door and the window is explicitly required in national standards of construction quality acceptance of building energy-saving engineering (GB 50411-2019) and hollow glass GBT 11944 and 2012 issued in China.
At present, more instruments are used for detecting the dew point of hollow glass, and more instruments are used for dry ice refrigeration and semiconductor refrigeration. Although detection can be performed, cooling is slow, accuracy is poor, efficiency is low, operation is difficult, and the failure rate is high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the hollow glass dew point instrument which is quick in refrigeration, high in detection precision and simple in operation. The detector is a new generation of detecting instrument with high precision and high efficiency, which is developed by adopting a double-machine cascade compression refrigeration technology. The problems that the dew point instrument for dry ice refrigeration is limited by dry ice purchase and storage and the problems of low semiconductor refrigeration efficiency and high failure rate are solved. Can refrigerate fast, accurate accuse temperature.
In order to achieve the purpose, the invention adopts the following technical scheme that the device comprises a high-temperature-level refrigeration compressor, an air-cooled condenser, an evaporative condenser, a hollow glass test piece, a dew point instrument measuring head and a low-temperature-level refrigeration compressor.
And the evaporative condenser is respectively connected with the air-cooled condenser, the high-temperature-stage refrigeration compressor, the low-temperature-stage refrigeration compressor and the dew point instrument measuring head.
The air-cooled condenser is connected with the high-temperature-stage refrigeration compressor, and the low-temperature-stage refrigeration compressor is connected with the dew point instrument measuring head;
during measurement, the hollow glass test piece is placed on the top of the dew point instrument measuring head.
Starting a high-temperature stage refrigeration compressor and an air-cooled condenser to refrigerate the evaporative condenser; when the evaporative condenser reaches the set temperature, the low-temperature stage refrigeration compressor is started.
Furthermore, a first temperature sensor is fixed on the evaporative condenser.
Furthermore, the heating sheet is wound on the lower portion of the dew point instrument measuring head, and the second temperature sensor is fixed on the upper portion of the dew point instrument measuring head.
Further, the hollow glass test piece is horizontally placed on the top of the measuring head and is in close contact with the measuring head.
Compared with the prior art, the invention has the beneficial effects.
The utility model discloses a dew point hygrometer adopts two machine compression overlapping refrigeration structures, makes the gauge head refrigerate rapidly, and gauge head winding heating plate and accuse temperature, and accuse temperature precision is high. The troubles of dry ice purchase and storage for dry ice refrigeration, water cooling for semiconductor refrigeration and the like are avoided. The refrigerating speed is improved by 2 times, the temperature control is accurate, the work is stable, and the like, and the device is particularly suitable for laboratory dew point detection of hollow glass.
Drawings
The invention is further described with reference to the following figures and detailed description. The scope of the invention is not limited to the following expressions.
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
As shown in figure 1, the invention comprises a high-temperature-stage refrigeration compressor (1), an air-cooled condenser (2), an evaporative condenser (3), a hollow glass test piece (5), a dew point instrument measuring head (7) and a low-temperature-stage refrigeration compressor (9).
The evaporative condenser is respectively connected with the air-cooled condenser, the high-temperature-stage refrigeration compressor, the low-temperature-stage refrigeration compressor and the dew point instrument measuring head; the air-cooled condenser is connected with the high-temperature-stage refrigeration compressor, and the low-temperature-stage refrigeration compressor is connected with the dew point instrument measuring head; during measurement, a hollow glass test piece is placed on the top of a measuring head of a dew point instrument; the high-temperature stage refrigeration compressor (1) and the air-cooled condenser (2) are started firstly to refrigerate the evaporative condenser (3); the evaporative condenser (3) reaches the set temperature, and the low-temperature stage refrigeration compressor (9) is started.
Furthermore, a first temperature sensor is fixed on the evaporative condenser.
Furthermore, the heating sheet is wound on the lower portion of the dew point instrument measuring head, and the second temperature sensor is fixed on the upper portion of the dew point instrument measuring head.
Further, the hollow glass test piece is horizontally placed on the top of the measuring head and is in close contact with the measuring head.
Furthermore, the temperature of the measuring head (7) adopts PID to control the heating sheet (8). And the upper part of the measuring head (7) is a round surface with the diameter of 50 made of red copper. When the temperature sensor at the upper part of the measuring head reaches the set temperature, the hollow glass test piece is horizontally placed at the top of the measuring head and is in close contact with the measuring head, and the purpose of testing is achieved.
The utility model discloses during the use: the detector requires that the environmental temperature of a laboratory is 15-38 ℃, a high-temperature-stage refrigeration compressor (1) and an air-cooled condenser (2) are started firstly, an evaporative condenser (3) is refrigerated, and when a temperature sensor (4) on the evaporative condenser (3) reaches-15 ℃, a low-temperature-stage refrigeration compressor (9) is started to refrigerate a dew point instrument measuring head (7); when the temperature sensor (6) on the upper part of the dew point instrument measuring head (7) reaches-60 ℃, the heating sheet (8) starts to control the temperature, when the temperature is controlled to-60 +/-1 ℃, the hollow glass test piece (5) is horizontally placed on the top of the measuring head (7) and is in close contact with the measuring head, the timer is manually started to time until the experiment is finished, and a new hollow glass test piece is started to be placed.
It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (4)
1. A hollow glass dew point instrument comprises a high-temperature-stage refrigeration compressor, an air-cooled condenser, an evaporative condenser, a hollow glass test piece, a dew point instrument measuring head and a low-temperature-stage refrigeration compressor; the system is characterized in that the evaporative condenser is respectively connected with an air-cooled condenser, a high-temperature-stage refrigeration compressor, a low-temperature-stage refrigeration compressor and a dew point instrument measuring head;
the air-cooled condenser is connected with the high-temperature-stage refrigeration compressor, and the low-temperature-stage refrigeration compressor is connected with the dew point instrument measuring head;
during measurement, a hollow glass test piece is placed on the top of a measuring head of a dew point instrument;
starting a high-temperature stage refrigeration compressor and an air-cooled condenser to refrigerate the evaporative condenser; when the evaporative condenser reaches the set temperature, the low-temperature stage refrigeration compressor is started.
2. The hollow glass dew point meter of claim 1, wherein: and a first temperature sensor is fixed on the evaporative condenser.
3. The hollow glass dew point meter of claim 1, wherein: the heating sheet is wound on the lower portion of the dew point instrument measuring head, and the second temperature sensor is fixed on the upper portion of the dew point instrument measuring head.
4. The hollow glass dew point meter of claim 1, wherein: the hollow glass test piece is horizontally placed at the top of the measuring head and is in close contact with the measuring head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020349795.8U CN211697613U (en) | 2020-03-19 | 2020-03-19 | Hollow glass dew point instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020349795.8U CN211697613U (en) | 2020-03-19 | 2020-03-19 | Hollow glass dew point instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211697613U true CN211697613U (en) | 2020-10-16 |
Family
ID=72781060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020349795.8U Active CN211697613U (en) | 2020-03-19 | 2020-03-19 | Hollow glass dew point instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211697613U (en) |
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2020
- 2020-03-19 CN CN202020349795.8U patent/CN211697613U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210510 Address after: 110000 Shenyang Economic and Technological Development Zone, Shenyang, Liaoning Province Patentee after: Liaoning meize testing equipment Co.,Ltd. Address before: 110000 Shenyang Economic and Technological Development Zone, Shenyang, Liaoning Province Patentee before: Shenyang meize Testing Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |