CN210347506U - Building envelope heat transfer coefficient test overall process monitoring device - Google Patents
Building envelope heat transfer coefficient test overall process monitoring device Download PDFInfo
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- CN210347506U CN210347506U CN201920834535.7U CN201920834535U CN210347506U CN 210347506 U CN210347506 U CN 210347506U CN 201920834535 U CN201920834535 U CN 201920834535U CN 210347506 U CN210347506 U CN 210347506U
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Abstract
The utility model relates to a building envelope heat transfer coefficient test overall process monitoring device, which mainly comprises a shell, a heating device, a fan, a data acquisition processing module and a camera, wherein the data acquisition processing module comprises a heat flow meter, a temperature sensor and a controller, and controls the start and stop of the heating device and the fan according to the acquired temperature information, so that the target temperature is reached in the shell and a stable temperature environment is maintained; the power of the power monitoring module and the power of the whole-course monitoring device of the state monitoring module in the controller, the real-time working state of the heating device and the fan, and the wireless transmission module uploads data such as heat flow, temperature and the like and video data collected in the whole test process to the cloud server for storage. The utility model discloses can long-time real-time supervision experiment overall process accords with relevant standard, for inquiring original data provide evidence and facility when appearing the dispute in the future, provides strong supervision means for relevant department simultaneously, has greatly ground economic social.
Description
Technical Field
The utility model relates to a building monitoring devices especially relates to a building envelope coefficient of heat transfer test overall process monitoring devices.
Background
With the improvement of the living standard of modern people, the acceleration of the urbanization process and the deepening of the house system reform, the building energy consumption gradually becomes the focus of people's attention. In order to reduce the energy consumption of the building and improve the heat preservation performance of the building envelope, the heat transfer coefficient is one of indexes for verifying the heat preservation performance of the building envelope, and the heat preservation performance of the building envelope can be well embodied. The method for detecting the heat transfer coefficient of the building envelope mainly comprises a heat flow meter method and a heat box method, wherein the heat flow meter method is used as a main method for field detection. According to the requirement of 4.3 sections in the technical specification for the field detection of the heat transfer coefficient of the enclosure structure (JGJ/T357-2015) of the industry standard, the surface temperature distribution temperature difference of the area to be detected is not more than 0.5 ℃, the temperature difference between the inner surface and the outer surface of the enclosure structure is not less than 10 ℃, and the test time exceeds 72 hours.
The heat flow meter method is based on the theory of steady-state heat transfer, the detection time is long, most of the space enclosing structures in the current market are field detection devices and methods, and long-term monitoring devices, monitoring methods and supervision means are lacked, so that the detection operation of the space enclosing structures is not standard, and the purpose of building energy saving cannot be well realized.
The utility model has the following contents:
in order to be safer to building envelope's testing process, test data is more accurate, avoids the misoperation to provide a means of supervision for relevant departments, the utility model discloses a collect data, video material in an organic whole, realize long-range real-time supervision's experimental overall process monitoring devices of building envelope heat transfer coefficient based on the internet is provided.
The utility model adopts the technical proposal that: a monitoring device for the whole process of a building envelope heat transfer coefficient test comprises a shell, a heating device, a fan, a data acquisition processing module and a camera;
the shell is a cylindrical sealing structure and is arranged on the inner surface of the envelope structure to be detected, so that the internal gas can flow more smoothly; the inner surface of the shell is attached with a heat insulation layer so as to reduce the heat exchange speed of the inner side and the outer side of the shell;
the heating device is detachably arranged in the shell, and can be replaced into a refrigerating device according to different outdoor temperatures, so that the heating device is convenient to install and reduces the cost;
the fan is fixedly arranged in the shell, so that the air in the shell is quickly and uniformly mixed;
the data acquisition and processing module comprises: the heat flow meter is positioned in the shell and is installed in a manner of being tightly attached to the inner surface of the building enclosure to be detected; the temperature sensors comprise two groups, one group is used for collecting air temperature sensors at the inner side and the outer side of the building enclosure to be detected, the collected air temperature sensor inside the building enclosure to be detected is arranged at the central position of the cavity of the shell, and the collected air temperature sensor outside the building enclosure to be detected is arranged at a position with a certain distance from the building enclosure to be detected; the other group is surface temperature sensors which are used for collecting the temperature of the inner surface and the outer surface of the building envelope to be detected and are installed to be attached to the surface of the building envelope to be detected, at least two inner surface temperature sensors are arranged in the shell and are uniformly distributed around the heat flow meter, the number of the outer surface temperature sensors is the same as that of the inner surface temperature sensors, and the installation positions of the outer surface temperature sensors correspond to those of the inner surface temperature sensors;
the camera is installed at the indoor top and connected with the controller through a line, and collected video data of the whole test process are transmitted to the controller after being processed.
Further, the controller include through AD converting circuit, amplifier circuit and temperature sensor, the CPU that the heat flow meter links to each other, power monitoring module, state monitoring module, power supply circuit, the peripheral circuit of being connected with CPU, through the wireless transmission module that UART communication port and CPU are connected, still include through No. one relay output circuit of triode driven and No. two relay output circuits, be used for controlling the start-up and the stop of heating device and fan respectively to guarantee that the air temperature fluctuation is less than 1 ℃ in the device. The power monitoring module monitors the real-time power of the monitoring device in the whole process of the heat transfer coefficient test of the building envelope structure in the whole process of the heat transfer coefficient test of the envelope structure to be detected so as to prevent the device from being damaged due to overlarge power. The state monitoring module monitors the real-time working states of the heating device and the fan in the whole process of the test of the heat transfer coefficient of the building envelope to be detected, so that the test environment is ensured to meet relevant standard regulations in the whole test process.
Further, the wireless transmission module uploads heat flow and temperature data and video data collected in the whole test process to a cloud server for storage, so that equipment terminals such as smart phones can remotely access and view the data, the test data and the video data can be conveniently inquired in the future, and meanwhile, a powerful monitoring means is provided for relevant departments.
The utility model has the advantages that:
1) the utility model discloses simple structure, simple to operate, and can select one of them according to the difference of region two in heating device and refrigerating plant, the cost is reduced.
2) The utility model discloses from monitoring the whole process automation of issuing the report and going on.
3) The utility model discloses a wireless transmission technique can monitor for a long time to automatic data and video data upload, save to the cloud ware, made things convenient for remote access to look over, also provide strong evidence for the relevant department provides strong supervision means in the future simultaneously.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic circuit diagram of the present invention;
in the figure: the method comprises the following steps of 1-enclosing structure to be detected, 2-shell, 3-heating device, 4-heat flow meter, 5-inner surface temperature sensor, 6-outer surface temperature sensor, 7-inner air temperature sensor, 8-outer air temperature sensor, 9-fan, 10-camera and 11-controller.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the utility model provides an experimental overall process monitoring devices of building envelope heat transfer coefficient, including casing 2, heating device 3, fan 9, data acquisition processing module and camera 10. The shell 2 is in a cylindrical design, and a cavity is formed in the shell, so that internal gas flows more smoothly; the inner surface is attached with a heat insulation layer and is arranged on the inner surface of the envelope structure 1 to be detected in a sealing mode, so that the heat exchange speed of the inner side and the outer side of the shell is reduced. Heating device 3 installs inside casing 2 with detachable mode, can be according to the difference change for refrigerating plant in use area, use season, and simple to operate's while reduce cost, this embodiment uses heating device as an example. The fan 9 is fixedly arranged inside the shell 2, so that the air in the shell 2 is quickly and uniformly mixed.
As shown in fig. 2, the data acquisition and processing module mainly includes a heat flow meter 4, a temperature sensor and a controller 11. The heat flow meter 4 is positioned inside the shell 2 and is arranged on the inner surface of the enclosure 1 to be detected in a clinging manner. The temperature sensor comprises an air temperature sensor and a surface temperature sensor, the air temperature sensor comprises an inner air temperature sensor 7 arranged in the center of the cavity of the shell 2 and an outer air temperature sensor 8 arranged at a certain distance outside the enclosure to be detected, and the air temperature of the inner side and the outer side of the enclosure to be detected 1 is collected; the surface temperature sensors are tightly attached to the inner surface and the outer surface of the enclosure structure 1 to be detected, the surface temperature of the enclosure structure 1 to be detected is acquired, the inner surface temperature sensors 5 are positioned in the shell 2, at least two of the inner surface temperature sensors are uniformly distributed around the heat flow meter 4, the number of the outer surface temperature sensors 6 is the same as that of the inner surface temperature sensors 5, and the installation positions of the outer surface temperature sensors correspond to those of the inner surface temperature sensors 5. Controller 11 passes through AD converting circuit, amplifier circuit and temperature sensor, the CPU that heat-flow meter 4 links to each other, the power monitoring module who is connected with CPU, state monitoring module, power supply circuit, peripheral circuit, wireless transmission module through UART communication port and CPU connection, still include No. one relay circuit and No. two relay circuits through triode drive, No. one relay circuit and No. two relay circuits link to each other with heating device 3 and fan 9 respectively, control the start-up and the stop of heating device 3 and fan 9, air temperature fluctuation is less than 1 ℃ in the guarantee device. The power monitoring module monitors the real-time power of the device in the whole process of the heat transfer coefficient test of the building envelope to be detected so as to prevent the device from being damaged due to overlarge power. The state monitoring module monitors the real-time working states of the heating device 3 and the fan 9 in the whole process of the test of the heat transfer coefficient of the building envelope to be detected, so that the test environment is ensured to meet relevant standard regulations in the whole test process.
The camera 10 is installed at the indoor top and is connected with the controller 11 through a circuit, and collected video data of the whole test process are transmitted to the controller 11 after being processed.
The wireless transmission module in the embodiment uploads the data information such as heat flow and temperature and the video information collected in the whole test process to the cloud server for storage, so that the terminal of equipment such as a smart phone can remotely access and check the data information, the original test data and the video information can be conveniently inquired when disputes appear in the future, meanwhile, a powerful monitoring means is provided for relevant departments, and false work is avoided.
The utility model provides an experimental overall process monitoring devices of building envelope heat transfer coefficient simple structure, simple to operate, low cost, the whole monitoring test process of the experimental overall process monitoring method of building envelope heat transfer coefficient avoids making false, and social is showing.
Claims (5)
1. The utility model provides a building envelope heat transfer coefficient test overall process monitoring devices which characterized in that: comprises a shell (2), a heating device (3), a fan (9), a data acquisition processing module and a camera (10);
the camera (10) is arranged at the indoor top and used for collecting video information in the whole test process;
the heating device (3) is detachably arranged in the shell (2) and can be replaced by a refrigerating device according to different outdoor temperatures;
the data acquisition and processing module comprises a heat flow meter (4), a temperature sensor and a controller (11), wherein the heat flow meter (4) is positioned in the shell (2) and is tightly attached to the inner surface of the building enclosure (1) to be detected.
2. The building envelope heat transfer coefficient test overall process monitoring device of claim 1, characterized in that: the temperature sensor comprises an air temperature sensor and a surface temperature sensor.
3. The building envelope heat transfer coefficient test overall process monitoring device of claim 2, characterized in that: the air temperature sensor comprises an inner air temperature sensor (7) arranged at the central position of the shell (2) and an outer air temperature sensor (8) arranged at a certain distance outside the building envelope (1) to be detected.
4. The building envelope heat transfer coefficient test overall process monitoring device of claim 2, characterized in that: the surface temperature sensors are mounted close to the inner surface and the outer surface of the enclosure structure (1) to be detected and comprise inner surface temperature sensors (5) and outer surface temperature sensors (6), wherein the inner surface temperature sensors (5) are arranged in the shell (2) and are uniformly distributed around the heat flow meter (4), and the number of the outer surface temperature sensors is the same as that of the inner surface temperature sensors (5) and the positions of the outer surface temperature sensors correspond to that of the inner surface temperature sensors.
5. The building envelope heat transfer coefficient test overall process monitoring device of claim 1, characterized in that: the controller (11) comprises a power monitoring module, a state monitoring module, a wireless transmission module and a relay output circuit for controlling the heating device (3) and the fan (9) to be started and stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920834535.7U CN210347506U (en) | 2019-06-04 | 2019-06-04 | Building envelope heat transfer coefficient test overall process monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920834535.7U CN210347506U (en) | 2019-06-04 | 2019-06-04 | Building envelope heat transfer coefficient test overall process monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN210347506U true CN210347506U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920834535.7U Expired - Fee Related CN210347506U (en) | 2019-06-04 | 2019-06-04 | Building envelope heat transfer coefficient test overall process monitoring device |
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| CN (1) | CN210347506U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133044A (en) * | 2019-06-04 | 2019-08-16 | 河南省建筑科学研究院有限公司 | Building enclosure structure heat transfer coefficient tests overall process monitoring device and method |
| WO2023102850A1 (en) * | 2021-12-09 | 2023-06-15 | 中建科技集团有限公司 | Monitoring system and method for heat preservation and thermal insulation performance of building material |
-
2019
- 2019-06-04 CN CN201920834535.7U patent/CN210347506U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133044A (en) * | 2019-06-04 | 2019-08-16 | 河南省建筑科学研究院有限公司 | Building enclosure structure heat transfer coefficient tests overall process monitoring device and method |
| WO2023102850A1 (en) * | 2021-12-09 | 2023-06-15 | 中建科技集团有限公司 | Monitoring system and method for heat preservation and thermal insulation performance of building material |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 |