CN115307840A - Method for detecting air tightness of unit curtain wall plate - Google Patents
Method for detecting air tightness of unit curtain wall plate Download PDFInfo
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- CN115307840A CN115307840A CN202210884868.7A CN202210884868A CN115307840A CN 115307840 A CN115307840 A CN 115307840A CN 202210884868 A CN202210884868 A CN 202210884868A CN 115307840 A CN115307840 A CN 115307840A
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- curtain wall
- wall plate
- pressure value
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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Abstract
The invention relates to a method for detecting the sealing performance of a plate of a unit curtain wall, which comprises the following steps: pressurizing the compartment and detecting the pressure in the compartment in real time; stopping pressurizing the compartment when the pressure value in the compartment reaches a preset pressure value; judging whether the pressure value of the compartment within the set time after the pressurization is stopped is greater than or equal to a test pressure value or not; if the pressure value in the set time is greater than or equal to the test pressure value, judging that the tightness of the unit curtain wall plate is qualified; and if the pressure value in the set time is smaller than the test pressure value, judging that the tightness of the unit curtain wall plate is unqualified. Through the leakproofness of detection pressure with more accurate detecting element curtain plate, avoided the problem that the easy error that produces of measurement personnel through the naked eye observation infiltration.
Description
Technical Field
The invention relates to the technical field of airtightness detection, in particular to a method for detecting airtightness of a plate of a unit curtain wall.
Background
The curtain wall is the enclosure of the outer wall of the building, does not bear the weight, is hung like a curtain, is also called as a curtain wall, and is a light wall with decorative effect commonly used by modern large and high-rise buildings. The outer protective structure or decorative structure of building is composed of unit curtain wall plates and a supporting structure system, can have certain displacement capacity or certain deformation capacity relative to the main structure, and does not bear the function of the main structure.
Unit curtain wall plate needs to carry out the seal test before dispatching from the factory, with whether the seal of detecting element curtain wall plate meets the requirements, adopt among the prior art to immerse unit curtain wall plate a period with unit curtain wall plate usually, judge the seal of unit curtain wall plate through observing whether the infiltration in the unit curtain wall plate, whether the measurement personnel passes through in the unit curtain wall plate of naked eye observation, if the infiltration is few in the unit curtain wall plate, then be difficult to through the naked eye discernment, thereby influence the accuracy that the measurement personnel judged the seal.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method for detecting the airtightness of a unit curtain wall plate, so as to solve the problem that errors are easily generated when a detector observes water seepage through naked eyes in the prior art.
In order to achieve the purpose, the invention provides a method for detecting the airtightness of a unit curtain wall plate, wherein a connecting end is formed at the end part of the unit curtain wall plate, an airtight compartment is formed in the connecting end, and the method for detecting the airtightness comprises the following steps:
pressurizing the compartment and detecting the pressure in the compartment in real time;
stopping pressurizing the compartment when the pressure value in the compartment reaches a preset pressure value;
judging whether the pressure value of the compartment within the set time after the pressurization is stopped is greater than or equal to the test pressure value;
if the pressure value in the set time is greater than or equal to the test pressure value, judging that the tightness of the unit curtain wall plate is qualified;
and if the pressure value in the set time is smaller than the test pressure value, judging that the tightness of the unit curtain wall plate is unqualified.
According to the invention, when the compartment is pressurized to the preset pressure value, whether the pressure value in the set time after the pressurization is stopped is greater than or equal to the test pressure value or not is observed, and if the pressure value in the set time is smaller than the test pressure value, the tightness of the unit curtain wall plate is judged to be unqualified.
The method for detecting the air tightness of the plate block of the unit curtain wall is further improved in that a first interface and a second interface which are communicated with the inner space of the compartment are arranged on the compartment;
before pressurizing the compartment, providing a pressure sensor, an air pressure pipeline, an air pump and a pressurizing pipeline, wherein one end of the air pressure pipeline is installed and connected with the pressure sensor, the other end of the air pressure pipeline is installed and connected with the first interface, one end of the pressurizing pipeline is installed and connected with the air pump, and the other end of the pressurizing pipeline is installed and connected with the second interface;
and when the compartment is pressurized, the air pump is started to pressurize the compartment, and the pressure in the compartment is detected in real time through the pressure sensor.
The method for detecting the air tightness of the unit curtain wall plate is further improved in that a control unit is provided when the pressure sensor and the air pump are installed, and the control unit is connected with the pressure sensor and the air pump in a control mode;
when the compartment is pressurized, the pressure sensor sends a detected pressure value to the control unit in real time, the preset pressure value is arranged in the control unit, the control unit compares the received pressure value with the preset pressure value, and when the received pressure value is equal to the preset pressure value, the control unit controls the air pump to stop pressurizing.
The method for detecting the air tightness of the unit curtain wall plate is further improved in that,
after the pressurization of the compartment is stopped, the control unit is internally provided with the test pressure value, and compares the received pressure value with the test pressure value to judge whether the tightness of the unit curtain wall plate is qualified.
The method for detecting the air tightness of the unit curtain wall plate is further improved in that the control unit is connected with a Bluetooth module in an installing manner;
the method comprises the steps that the Bluetooth module is in matched interactive connection with mobile equipment through Bluetooth communication, the mobile equipment sends a control instruction to control starting and stopping of tightness detection, and detected pressure data and a judgment result are received.
The method for detecting the air tightness of the unit curtain wall plate is further improved in that,
installing control software for detecting the tightness on the mobile equipment, and receiving detected pressure data and a judgment result through the control software;
and controlling the starting and stopping of the tightness detection by controlling the control software.
The method for detecting the air tightness of the unit curtain wall plate is further improved in that,
the unit curtain wall plate is provided with an identification code;
the control software is provided with a scanning module;
before the airtightness of the unit curtain wall plate is detected, the identification code is scanned through the scanning module so as to obtain the number information of the unit curtain wall plate.
The method for detecting the air tightness of the unit curtain wall plate is further improved in that an input module is arranged on the control software;
before the airtightness of the unit curtain wall plate is detected, the serial number of the unit curtain wall plate is input through the input module so as to obtain the serial number information of the unit curtain wall plate.
The method for detecting the air tightness of the unit curtain wall plate is further improved in that when the control unit is installed, a display screen is provided and connected with the control unit;
and the control unit draws a pressure data graph according to the detection time and the received pressure value and displays the pressure data graph through the display screen.
The method for detecting the air tightness of the curtain wall plate of the unit is further improved in that when the control unit is installed, an acousto-optic prompter is provided and is installed and connected to the control unit;
and when the detection of the air tightness of the unit curtain wall plate is finished, the control unit controls the acousto-optic prompter to emit acousto-optic prompt.
Drawings
FIG. 1 is a flow chart of the method for detecting the air tightness of the unit curtain wall plate block.
FIG. 2 is a state diagram of the method for detecting the sealing property of the curtain wall panel unit according to the present invention.
FIG. 3 is a logic diagram of a pressure sensor, an air pump, a control unit, a memory, a Bluetooth module, an acousto-optic prompter and a display screen in the method for detecting the sealing property of the curtain wall panel of the unit.
Fig. 4 is a schematic structural diagram of a unit curtain wall panel in the method for detecting the air tightness of the unit curtain wall panel.
Description of the symbols: the unit curtain wall panel comprises a unit curtain wall panel 10, a compartment 11, a pressure sensor 20, an air pressure pipeline 21, an air pump 30, a pressurizing pipeline 31, a one-way valve 32, a control unit 40, a storage 41, a Bluetooth module 50, mobile equipment 60, a display screen 70, an acousto-optic prompter 80, a power supply 90 and a control switch 91.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the 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.
The invention provides a method for detecting the tightness of a unit curtain wall plate, which is used for detecting the tightness of the unit curtain wall plate.
The method for detecting the air tightness of the unit curtain wall plate block is described below with reference to the accompanying drawings.
Referring to fig. 1 and 3, in the present embodiment, a method for detecting the tightness of a unit curtain wall panel 10, where a connection end is formed at an end of the unit curtain wall panel 10, and a sealed compartment 11 is formed in the connection end, includes:
s101: pressurizing the compartment 11, and detecting the pressure in the compartment 11 in real time;
s102: when the pressure value in the compartment 11 reaches a preset pressure value, stopping pressurizing the compartment 11;
s103: judging whether the pressure value of the compartment 11 in the set time after the pressurization is stopped is greater than or equal to the test pressure value;
s104: if the pressure value in the set time is greater than or equal to the test pressure value, judging that the tightness of the unit curtain wall plate 10 is qualified;
s105: and if the pressure value in the set time is smaller than the test pressure value, judging that the tightness of the unit curtain wall plate 10 is unqualified.
According to the airtightness detection method, pressurization and pressure detection are carried out on the separation bin 11, so that the pressure change condition of the separation bin 11 is accurately obtained, and the pressure change condition is analyzed to judge whether the airtightness of the unit curtain wall plate 10 is qualified or not.
Referring to fig. 2 and 3, in a specific embodiment, a first port and a second port which are communicated with the inner space of the compartment 11 are arranged on the compartment 11;
before pressurizing the compartment 11, providing a pressure sensor 20, an air pressure pipeline 21, an air pump 30 and a pressurizing pipeline 31, wherein one end of the air pressure pipeline 21 is connected to the pressure sensor 20 in an installing manner, the other end of the air pressure pipeline is connected to the first interface in an installing manner, one end of the pressurizing pipeline 31 is connected to the air pump 30 in an installing manner, and the other end of the pressurizing pipeline is connected to the second interface in an installing manner;
when the compartment 11 is pressurized, the air pump 30 is started to pressurize the compartment 11, and the pressure sensor 20 detects the pressure in the compartment 11 in real time.
Preferably, when the pressurizing pipeline 31 is installed, a check valve 32 is provided, and the check valve 32 is installed on the pressurizing pipeline 31 to control the gas to flow into the compartment 11 in a single direction, so as to prevent the gas in the compartment 11 from flowing back.
Referring to fig. 2 and 3, further, when the pressure sensor 20 and the air pump 30 are installed, a control unit 40 is provided, and the control unit 40 is in control connection with the pressure sensor 20 and the air pump 30;
when the compartment 11 is pressurized, the pressure sensor 20 sends the detected pressure value to the control unit 40 in real time, the preset pressure value is arranged in the control unit 40, the control unit 40 compares the received pressure value with the preset pressure value, and when the received pressure value is equal to the preset pressure value, the control unit 40 controls the air pump 30 to stop pressurizing so as to prevent the unit curtain wall plate from being damaged due to overlarge pressure in the compartment 11.
Referring to fig. 2 and 3, further, after the pressurization of the compartment 11 is stopped, the control unit 40 is provided with the test pressure value, the control unit 40 compares the received pressure value with the test pressure value to determine whether the tightness of the unit curtain wall plate 10 is qualified, the control unit 40 realizes automatic analysis and determines the tightness of the unit curtain wall plate 10, and the method is more intelligent and labor-saving, facilitates large-scale detection tests of companies, and improves the detection efficiency.
Referring to fig. 2, further, after the tightness detection is completed, the pneumatic pipeline 21 is detached from the first interface, the pressurizing pipeline 31 is detached from the second interface, a sealant is provided, and the sealant is filled in the first interface and the second interface to seal the first interface and the second interface.
Referring to fig. 2 and 3, in a specific embodiment, the control unit 40 is installed with a bluetooth module 50;
the bluetooth module 50 is interactively connected with the mobile device 60 in a matching way through bluetooth communication, and the mobile device 60 sends a control instruction to control the starting and stopping of the tightness detection and receives the detected pressure data and the judgment result.
Specifically, the mobile device 60 includes an intelligent digital device such as a mobile phone and a tablet computer.
Referring to fig. 2, further, control software for detecting the sealing performance is installed on the mobile device 60, and the detected pressure data and the determination result are received by the control software;
and controlling the starting and stopping of the tightness detection by controlling the control software.
Referring to fig. 2, preferably, the control software of the mobile device 60 is in communication connection with the bluetooth module 50 of the control unit 40 through the bluetooth unit of the mobile device 60 to implement transmission and reception of communication data. The mobile device 60 sends a control instruction to the bluetooth module 50, the bluetooth module 50 sends the control instruction to the control unit 40, and the control unit 40 controls the start and stop of the air pump 30 and the pressure sensor 20 according to the control instruction, so that a remote control detection test is realized.
Specifically, the control software is provided with a start button and a stop button for a user to operate and control the start and stop of the tightness detection.
Referring to fig. 2, further, the control software is provided with a time checking module, after the control software of the mobile device 60 establishes a bluetooth communication connection with the bluetooth module 50, the time checking module obtains current time information of the mobile device 60, and sends the current time information to the bluetooth module 50, the bluetooth module 50 transmits the received current time information to the control unit 40, and the control unit 40 performs time checking according to the received current time information, where the time information includes XX hours XX minutes XX seconds XX by XX months XX days, so as to ensure that the control unit 40 stores the detection time corresponding to the detection pressure value according to correct time.
Furthermore, an identification code is arranged on the unit curtain wall plate 10; the control software is provided with a scanning module;
before the airtightness of the unit curtain wall plate 10 is detected, the scanning module scans the identification code to acquire the serial number information of the unit curtain wall plate 10.
Preferably, the identification code may be a two-dimensional code or a bar code.
Furthermore, an input module is arranged on the control software;
before the airtightness of the unit curtain wall plate 10 is detected, the serial number of the unit curtain wall plate 10 is input through the input module, so that the serial number information of the unit curtain wall plate 10 is obtained.
Preferably, a code input button is arranged on the user interface of the control software, the code input button is clicked, a pop-up frame for code input is popped up on the user interface of the control software, and a user manually inputs the serial number of the unit curtain wall plate 10, so that the control software obtains the serial number information of the unit curtain wall plate 10.
Before the tightness of the unit curtain wall plate 10 is detected, the number information of the unit curtain wall plate 10 is acquired, so that the detected pressure data information and the acquired number information of the unit curtain wall plate 10 are correspondingly stored.
In a specific embodiment, the control software is provided with a sharing module and a friend selecting module;
the required user is selected as a friend through the friend selection module, after the control software receives the detected pressure data and the judgment result, the acquired detected pressure data and the judgment result are shared to other friend users of the user through the sharing module in real time, only one user is in communication connection with the Bluetooth module 50, and the other friend users can acquire information data in real time, so that the method is more convenient.
Referring to fig. 2 and 3, in one embodiment, when the control unit 40 is installed, a display screen 70 is provided, the display screen 70 is attached to the control unit 40;
the control unit 40 draws a pressure data map according to the detection time and the received pressure value, and displays the pressure data map through the display screen 70.
Referring to fig. 2 and 3, further, when the tightness detection of the unit curtain wall panel 10 is finished, a judgment result of the tightness of the unit curtain wall panel 10 is displayed through the display screen 70.
Referring to fig. 2 and 3, further, when the control unit 40 is installed, an acousto-optic indicator 80 is provided, and the acousto-optic indicator 80 is installed and connected to the control unit 40;
after the pressure detection within the set time after the pressurization is stopped is completed, the control unit 40 controls the acousto-optic prompter 80 to emit acousto-optic reminding.
Referring to fig. 2 and 3, in one embodiment, when the control unit 40 is installed, a power supply 90 is provided, the power supply 90 is installed and connected to the control unit 40, and the power supply 90 supplies power to the whole detection device.
Referring to fig. 2, further, when the control unit 40 is installed, a control switch 91 is provided, and the control switch 91 is installed and connected between the control unit 40 and the power supply 90;
the power supply and the power off of the power supply 90 are controlled by the control switch 91.
Referring to fig. 2, preferably, the pressure sensor 20 is a temperature and pressure sensor 20, which detects the pressure and the temperature in the compartment 11, and transmits the temperature information to the control unit 40 in real time.
Referring to fig. 2, further, when the control unit 40 is installed, a memory 41 is provided, and the memory 41 is installed and connected to the control unit 40;
the control unit 40 stores the number information, pressure data, temperature data, time data, and judgment result of the unit curtain wall panel 10 in the memory 41.
Preferably, the air pump 30 is a micro air pump 30.
Referring to fig. 2, in an embodiment, after the pressure detection within the set time after the pressurization stopping is completed, the control unit 40 controls the pressure sensor 20 to be turned off, so as to save energy and power.
A method for detecting the sealing performance of the curtain wall panel 10 according to the present invention will be described in detail.
After the control switch 91 is manually turned on and the mobile device is started, the connection with the control software is established through the Bluetooth module 50, and the automatic correction time after the connection is established is consistent with the time of the mobile device 60. After receiving the detection instruction sent by the control software, the control unit 40 starts the air pump 30, the micro air pump 30 pressurizes the air, the detection circuit detects the change of the pressure and the temperature, and when the pressure reaches the detection set pressure P1, the control unit 40 closes the air pump 30 and stops pressurizing the air. The pressure and temperature sensor continuously senses the pressure in the compartment 11 and displays a time/pressure curve on the display screen 70, and the current date and temperature are simultaneously displayed on the display screen 70. The time, temperature, pressure data are stored in the memory 41 simultaneously. The time length of the detection is T1, and after the detection time T1, if the internal pressure of the compartment 11 is still higher than the maintaining pressure P2, it can be determined that the airtightness of the unit curtain wall plate 10 is good. If the internal pressure of the compartment 11 continuously decreases and is lower than the maintaining pressure P2 after the detection time T1, it can be determined that the airtightness of the unit curtain wall plate 10 is invalid. The detection pressure P1 should not be greater than the standard value of the design wind load borne by the unit curtain wall plate 10, the excessive pressure may damage the glue joint of the unit curtain wall plate 10, the detection pressure P1 may be set to 1kpa, the detection time length T1 is set to 30 seconds, and the maintenance pressure P2 is set to 0.9 × P1, that is, 0.9kpa.
After the detection time T1, sound and light prompts are sent out after the detection is finished, the control software acquires time, temperature and pressure data and judgment results through the Bluetooth module 50, and the data are shared to friend users of the control software in real time.
By adopting the technical scheme, the invention has the following beneficial effects:
the invention realizes the functions of automatically detecting and judging the tightness of the unit curtain wall plate 10, remotely controlling the mobile device 60, automatically sharing data and the like, can automatically and intelligently detect and share data for the unit curtain wall plate 10, replaces the traditional immersion detection of the unit curtain wall plate 10, can finish the detection on the production line of the unit curtain wall plate 10, is convenient, quick and intelligent, can immediately share the detection result, and improves the intelligent level of the unit plate production. Through the leakproofness of detection pressure with more accurate detecting element curtain wall plate 10, avoided the problem that the easy error that produces of measurement personnel through the easy production of naked eye observation infiltration.
It should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Claims (10)
1. The utility model provides a method for detecting the leakproofness of unit curtain wall plate, the tip of unit curtain wall plate is formed with the link, be formed with inclosed compartment in the link, its characterized in that, the leakproofness detecting method includes:
pressurizing the compartment and detecting the pressure in the compartment in real time;
stopping pressurizing the compartment when the pressure value in the compartment reaches a preset pressure value;
judging whether the pressure value of the compartment within the set time after the pressurization is stopped is greater than or equal to the test pressure value;
if the pressure value in the set time is greater than or equal to the test pressure value, judging that the tightness of the unit curtain wall plate is qualified;
and if the pressure value in the set time is smaller than the test pressure value, judging that the tightness of the unit curtain wall plate is unqualified.
2. The tightness detection method for the plate block of the unit curtain wall as claimed in claim 1, wherein a first interface and a second interface which are communicated with the inner space of the compartment are arranged on the compartment;
before pressurizing the compartment, providing a pressure sensor, an air pressure pipeline, an air pump and a pressurizing pipeline, wherein one end of the air pressure pipeline is installed and connected with the pressure sensor, the other end of the air pressure pipeline is installed and connected with the first interface, one end of the pressurizing pipeline is installed and connected with the air pump, and the other end of the pressurizing pipeline is installed and connected with the second interface;
and when the compartment is pressurized, the air pump is started to pressurize the compartment, and the pressure in the compartment is detected in real time through the pressure sensor.
3. The method for detecting the air tightness of the unit curtain wall plate as claimed in claim 2, wherein a control unit is provided when the pressure sensor and the air pump are installed, and the control unit is connected with the pressure sensor and the air pump in a control manner;
when the compartment is pressurized, the pressure sensor sends a detected pressure value to the control unit in real time, the preset pressure value is arranged in the control unit, the control unit compares the received pressure value with the preset pressure value, and when the received pressure value is equal to the preset pressure value, the control unit controls the air pump to stop pressurizing.
4. The method for detecting the air tightness of the unit curtain wall plate as claimed in claim 3, wherein the test pressure value is arranged in the control unit;
after the pressurization of the compartment is stopped, the control unit compares the received pressure value with the test pressure value to judge whether the tightness of the unit curtain wall plate is qualified.
5. The method for detecting the tightness of the unit curtain wall plate block as claimed in claim 4, wherein the control unit is connected with a Bluetooth module;
the method comprises the steps that the Bluetooth module is in matched interactive connection with mobile equipment through Bluetooth communication, the mobile equipment sends a control instruction to control starting and stopping of tightness detection, and detected pressure data and a judgment result are received.
6. The method for detecting the air tightness of the unit curtain wall plate as claimed in claim 5,
installing control software for detecting the tightness on the mobile equipment, and receiving detected pressure data and a judgment result through the control software;
and controlling the starting and stopping of the tightness detection by controlling the control software.
7. The method for detecting the air tightness of the unit curtain wall plate block as claimed in claim 6,
the unit curtain wall plate is provided with an identification code;
the control software is provided with a scanning module;
before the airtightness of the unit curtain wall plate is detected, the identification code is scanned through the scanning module so as to obtain the number information of the unit curtain wall plate.
8. The method for detecting the air tightness of the unit curtain wall plate block as claimed in claim 6,
an input module is arranged on the control software;
before the airtightness of the unit curtain wall plate is detected, the serial number of the unit curtain wall plate is input through the input module so as to obtain the serial number information of the unit curtain wall plate.
9. The method for detecting the air tightness of the unit curtain wall plate as claimed in claim 3, wherein a display screen is provided and is connected and installed to the control unit when the control unit is installed;
and the control unit draws a pressure data graph according to the detection time and the received pressure value and displays the pressure data graph through the display screen.
10. The method for detecting the air tightness of the unit curtain wall plate as claimed in claim 3, wherein when the control unit is installed, an acousto-optic prompter is provided and is installed and connected to the control unit;
and after the pressure detection within the set time after the pressurization is stopped is finished, the control unit controls the acousto-optic prompter to emit acousto-optic prompt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210884868.7A CN115307840A (en) | 2022-07-26 | 2022-07-26 | Method for detecting air tightness of unit curtain wall plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210884868.7A CN115307840A (en) | 2022-07-26 | 2022-07-26 | Method for detecting air tightness of unit curtain wall plate |
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| CN202210884868.7A Pending CN115307840A (en) | 2022-07-26 | 2022-07-26 | Method for detecting air tightness of unit curtain wall plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117268826A (en) * | 2023-11-22 | 2023-12-22 | 西安曜合信息科技有限公司 | Thermal insulation performance testing equipment for energy-saving curtain wall |
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2022
- 2022-07-26 CN CN202210884868.7A patent/CN115307840A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117268826A (en) * | 2023-11-22 | 2023-12-22 | 西安曜合信息科技有限公司 | Thermal insulation performance testing equipment for energy-saving curtain wall |
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