CN212031350U - Building envelope thermal behavior detector - Google Patents
Building envelope thermal behavior detector Download PDFInfo
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- CN212031350U CN212031350U CN202020301570.5U CN202020301570U CN212031350U CN 212031350 U CN212031350 U CN 212031350U CN 202020301570 U CN202020301570 U CN 202020301570U CN 212031350 U CN212031350 U CN 212031350U
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Abstract
The utility model mainly relates to a building envelope thermal behavior detector belongs to detecting instrument technical field for the building, including hot box system, control box, system's collection box. The convection action of the electric heating system and the axial flow fan in the hot box enables the temperature in the hot box system to be accurately controlled. The utility model has the characteristics of accuse temperature is accurate, job stabilization, wireless communication long-range data collection, easy operation and simple to operate etc, be applicable to building envelope's such as wall body heat transfer coefficient's witnessed inspections, be worth popularizing and applying.
Description
Technical Field
The utility model relates to a detecting instrument for building specifically indicates a building envelope thermal behavior detector, is suitable for on-the-spot building envelope heat transfer coefficient and detects, is applicable to and uses except summer season in one year.
Background
The detection of the heat transfer coefficient of the building enclosure structure is one of the main contents of the detection and evaluation of the energy conservation of the building, in recent years, along with the increasing shortage of fossil energy, the nation pays more and more attention to energy conservation, and the energy consumption of the building accounts for about 50 percent of the total energy consumption of China. Especially, in winter heating in the north, energy consumption is huge every year, and the main factor influencing the energy consumption of the building is the heat insulation performance of the building. The detection of the heat insulation performance of the on-site building envelope is definitely required in the national standard' construction quality acceptance standard of building energy-saving engineering (GB 50411-2019) issued by China.
At present, a plurality of devices are used for field detection, the performance is greatly different, and most of the outer surface temperature sensors adopt a communication cable mode, so that a plurality of troubles of punching a hole through a wall, wiring and the like are brought. Although detection can be performed, the operation is difficult.
Disclosure of Invention
In order to overcome the not enough of above-mentioned technique, the utility model provides a simple to operate detects building envelope thermal property detector that the precision is high, has increased data wireless transmission function on the existing equipment basis. The detector adopts a new generation of detecting instrument which is developed by an intelligent touch screen and an Internet of things module and has high precision and low power consumption. The problem that the detection of the heat flow meter is limited by seasons is solved, the temperature in the control box is uniform, the precision is high, and the purposes that the temperature of the detected surface of the enclosure structure and the heat flow are uniform in distribution and the heat transfer coefficient of the enclosure structure is accurately measured are achieved.
The utility model provides a building envelope thermal behavior detector which characterized in that: comprises a hot box system, a control box and a system collection box. A stainless steel air heating pipe with a U-shaped fin is arranged below a plane parallel to the test piece in the hot box system, an axial flow fan is arranged at the upper part of the hot box system, and a guide plate is arranged below the axial flow fan; the control box is fixedly connected with the hot box system; the system collecting box is in remote wireless communication with the control box and the hot box system.
The hot box system is uniformly distributed with three hot surface temperature sensors and three heat flow meters on the inner surface of the test piece, the three outer surface temperature sensors are uniformly distributed on the outer surface of the test piece, and the positions of the three outer surface temperature sensors correspond to those of the hot surface temperature sensors.
Three space temperature sensors in the space of the hot box are uniformly distributed on the guide plate.
The control box adopts a digital display temperature control meter and a solid PID control structure.
The system acquisition and control box and the hot box system adopt wireless communication to acquire temperature and heat flow in real time.
The system acquisition box adopts a touch screen and the Internet of things remote wireless communication technology, and the shell adopts a portable aluminum alloy case.
The temperature sensor on the outer surface of the test piece adopts an internet communication module, is internally provided with a long-life lithium battery, and can communicate with the system collection box without a communication cable.
Has the advantages that: the utility model discloses an adopt U-shaped fin stainless steel air heating pipe, axial fan's convection current effect in the hot box, make and reach accurate temperature control in the hot box system, be suitable for except that use in summer season. The temperature sensor on the outer surface adopts a wireless communication mode, so that a plurality of troubles caused by wall penetration, hole punching, wiring and the like are avoided. The temperature control is accurate, the work is stable, the maneuverability is good, the transportation and the installation are convenient, and the like, and the device is particularly suitable for the field detection of building envelope structures such as walls and the like.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: 1. the device comprises an axial flow fan, 2 parts of an inner surface temperature sensor, 3 parts of a heat flow meter, 4 parts of an air temperature sensor, 5 parts of a U-shaped fin stainless steel air heating pipe, 6 parts of a heat box system, 7 parts of a foldable supporting seat, 8 parts of a test piece, 9 parts of a guide plate, 10 parts of an outer surface temperature sensor, 11 parts of a control box and 12 parts of a system collection box.
Detailed Description
The invention will be further explained with reference to the drawings: the utility model relates to a building envelope thermal behavior detector, its characterized in that: fig. 1 is the utility model discloses an overall structure schematic diagram, as shown in fig. 1, building envelope thermal behavior detector, including hot case system 6, control box 11, be equipped with U-shaped fin stainless steel air heating pipe 5 with the below of test piece parallel surface in the hot case system 6, hot case system upper portion is equipped with axial fan 1, and 1 below of axial fan is guide plate 9, realizes the air circulation convection through axial fan 1 and the guide plate 9 of hot case top in the space of hot case system, makes hot case space temperature reach accurate control.
The control box 11 adopts a digital display meter and a solid structure, and controls the temperature through PID, so that higher control precision is obtained.
An air temperature sensor 4 is also arranged in the space of the hot box system, and the air temperature sensor 4 in the space of the hot box is fixed on the guide plate 9, so that the accurate temperature control is achieved.
The system acquisition box 12 adopts a touch screen and an internet of things remote wireless communication technology, and a portable aluminum alloy box is adopted as a shell.
The hot box system 6 is made of an anti-rust embossing aluminum alloy plate and high-density heat-preservation PE foam.
The utility model discloses during the use:
the detector is suitable for the environment with the temperature less than or equal to 20 ℃, the outer surface of the test piece 8 is uniformly distributed with surface temperature sensors, the inner surface is uniformly distributed with the surface temperature sensors and the heat flow meter, the heat box system 6 is abutted against the inner surface of the test piece 8, and the control box 11 can collect all the sensor data of the inner surface of the heat box system 6. The control box 11 controls the temperature control through PID and transmits the temperature and heat flow data to the system acquisition box 12 through a wireless communication mode. The external surface temperature sensor is provided with the Internet of things module and the long-life lithium battery, and a remote wireless communication mode is adopted, so that troubles of wall penetrating, hole punching, wiring and the like caused by communication cables are avoided.
The space environment in the hot box is convected with the axial flow fan through electric heating, so that the temperature in the space is accurate and uniform, and the detection purpose is realized.
The detector is suitable for other seasons with the environment temperature less than or equal to 20 ℃ except summer, surface temperature sensors are uniformly distributed on the outer surface of the test piece 8, the surface temperature sensors and heat flow meters are uniformly distributed on the inner surface, the hot box system 6 is abutted against the inner surface of the test piece 8, and the control box 11 can collect all sensor data on the inner surface of the hot box system 6. The control box 11 controls the temperature control through PID and transmits the temperature and heat flow data to the system acquisition box 12 through a wireless communication mode. The external surface temperature sensor is provided with the Internet of things module and the long-life lithium battery, and a remote wireless communication mode is adopted, so that troubles of wall penetrating, hole punching, wiring and the like caused by communication cables are avoided. The system collecting box 12 is in wireless communication with the Internet of things module through the touch screen to collect all temperature and heat flow data of the hot box system 9, and the space environment in the hot box is in convection with the axial flow fan 1 through the U-shaped fin stainless steel air heating pipe 5, so that the temperature in the space is accurate and uniform, and the purpose of detection is realized.
The utility model mainly relates to a building envelope thermal behavior detector belongs to detecting instrument technical field for the building, including hot box system, control box, system's collection box. The convection action of the electric heating system and the axial flow fan in the hot box enables the temperature in the hot box system to be accurately controlled. The utility model has the characteristics of accuse temperature is accurate, job stabilization, wireless communication long-range data collection, easy operation and simple to operate etc, be applicable to building envelope's such as wall body heat transfer coefficient's witnessed inspections, be worth popularizing and applying.
Claims (8)
1. The utility model provides a building envelope thermal behavior detector which characterized in that: comprises a hot box system (6), a control box (11) and a system collection box (12);
a U-shaped fin stainless steel air heating pipe (5) is arranged below the plane parallel to the test piece in the hot box system (6), an axial flow fan (1) is arranged at the upper part of the hot box system, and a guide plate (9) is arranged below the axial flow fan (1); a foldable supporting seat (7) is arranged below the hot box system (6); the control box (11) is connected with the hot box system (6); the control box (11) and the system collection box (12) adopt wireless communication of the Internet of things.
2. The building envelope thermal performance detector of claim 1, wherein: three internal surface temperature sensor (2) of hot box system (6) at test piece (8) internal surface equipartition and three heat flow meter (3), three external surface temperature sensor (10) of test piece (8) surface equipartition are furnished with thing networking wireless module, and its position corresponds with internal surface temperature sensor (2).
3. The building envelope thermal performance detector of claim 1, wherein: an air temperature sensor (4) in the space of the hot box is fixed at the center of the guide plate (9).
4. The building envelope thermal performance detector of claim 1, wherein: the control box (11) adopts a digital display instrument and solid PID control and is provided with an Internet of things wireless module.
5. The building envelope thermal performance detector of claim 1, wherein: the control box (11) is fixedly connected with the hot box system (6).
6. The building envelope thermal performance detector of claim 1, wherein: the system collection box (12) adopts a touch screen and an internet of things wireless communication technology.
7. The building envelope thermal performance detector of claim 1, wherein: the system collection box (12) adopts a portable aluminum alloy box.
8. The building envelope thermal performance detector of claim 1, wherein: a foldable supporting seat is arranged below the hot box system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020301570.5U CN212031350U (en) | 2020-03-12 | 2020-03-12 | Building envelope thermal behavior detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020301570.5U CN212031350U (en) | 2020-03-12 | 2020-03-12 | Building envelope thermal behavior detector |
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| Publication Number | Publication Date |
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| CN212031350U true CN212031350U (en) | 2020-11-27 |
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| CN202020301570.5U Active CN212031350U (en) | 2020-03-12 | 2020-03-12 | Building envelope thermal behavior detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640342A (en) * | 2021-08-11 | 2021-11-12 | 广州增城正源建设工程检测中心有限公司 | Building envelope heat transfer coefficient measuring device and method |
| GB2625104A (en) * | 2022-12-06 | 2024-06-12 | Steren Surveyors Ltd | Climate Chamber |
-
2020
- 2020-03-12 CN CN202020301570.5U patent/CN212031350U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640342A (en) * | 2021-08-11 | 2021-11-12 | 广州增城正源建设工程检测中心有限公司 | Building envelope heat transfer coefficient measuring device and method |
| GB2625104A (en) * | 2022-12-06 | 2024-06-12 | Steren Surveyors Ltd | Climate Chamber |
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Effective date of registration: 20210512 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. |