CN216955035U - Building door and window performance detection device - Google Patents
Building door and window performance detection device Download PDFInfo
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- CN216955035U CN216955035U CN202220305299.1U CN202220305299U CN216955035U CN 216955035 U CN216955035 U CN 216955035U CN 202220305299 U CN202220305299 U CN 202220305299U CN 216955035 U CN216955035 U CN 216955035U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model discloses a building door and window performance detection device which can be widely applied to the technical field of detection. According to the detection device, the rack is arranged, the air supply device, the electric exhaust valve and the control device are arranged on the rack, and meanwhile, the air supply device comprises the fan, the frequency converter, the air inlet pipe, the air outlet pipe, the positive pressure flowmeter socket and the negative pressure flowmeter socket, so that when the performance of the building door and window is detected, corresponding flowmeters are inserted into the positive pressure flowmeter socket and the negative pressure flowmeter socket on the performance detection device provided by the embodiment, and meanwhile, the building door and window to be detected is placed in the sealed box connected with the embodiment, the performance detection can be rapidly carried out, so that unified equipment can be provided for detection, and the performance detection accuracy and detection efficiency of the building door and window are improved.
Description
Technical Field
The utility model relates to the technical field of detection, in particular to a device for detecting the performance of a building door window.
Background
In the related technology, when the performance of building doors and windows is detected, a static pressure box is formed on site by using a sealing plate, an enclosure structure and an outer window, and positive pressure difference or negative pressure difference is formed on two sides of a detection object by exhausting air from an opening pressure box or blowing air to the static pressure box through an air supply system. A measuring hole is led out of the static pressure box to measure the pressure difference, a flow measuring device is arranged on a pipeline to measure the air permeation quantity, a proper amount of nozzles are arranged on the outer side of the outer window to carry out a watertight test, and a displacement sensor is arranged at a proper position to measure the deformation of the rod piece. Because the field devices have no uniform standard, the performance analysis result based on the measurement data has a large difference from the actual situation.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a building door and window performance detection device which can improve the detection accuracy and detection efficiency of the building door and window performance.
The embodiment of the utility model provides a building door and window performance detection device, which comprises:
a frame;
the air supply equipment is arranged on the rack and comprises an air blower, a frequency converter, an air inlet pipe, an air outlet pipe, a positive pressure flowmeter socket and a negative pressure flowmeter socket; the first end of the air inlet pipe is connected with an air inlet of the air blower, and the second end of the air inlet pipe is used for being connected with the sealing box; the first end of the air outlet pipe is connected with an air outlet of the air blower, and the second end of the air outlet pipe is used for being connected with the sealing box; the sealing box is used for placing a door and window test piece to be tested; the blower is used for providing an air source; the frequency converter is used for adjusting the air pressure and the air quantity of the blower; the positive pressure flowmeter socket is arranged on the air inlet pipe and used for placing a positive pressure flowmeter; the negative pressure flowmeter jack is arranged on the air outlet pipe and used for placing a negative pressure flowmeter;
the electric exhaust valve is arranged on the air inlet pipe and is used for adjusting the high-low state of positive pressure in the sealed box;
and the control equipment is arranged on the rack and is respectively connected with the air supply equipment and the electric exhaust valve.
In some embodiments, the electrically actuated vent valve includes a solenoid valve and a baffle plate disposed on the air inlet duct; the electromagnetic valve is connected with the control equipment and used for controlling the starting state of the baffle plate to adjust the high-low state of the positive pressure in the seal box.
In some embodiments, the control device includes a control body, a first pressure gauge, a second pressure gauge, a flow meter, a pressure switch, a manual and automatic switch, a pressure regulating potentiometer, a positive and negative pressure switch, and an exhaust valve button, wherein the first pressure gauge, the second pressure gauge, the flow meter, the pressure switch, the manual and automatic switch, the pressure regulating potentiometer, the positive and negative pressure switch, and the exhaust valve button are all disposed in the control body.
In some embodiments, the control body is further provided with a control door lock.
In some embodiments, the detection device further comprises a universal pulley, and the universal pulley is arranged at the bottom of the rack.
In some embodiments, the frame comprises a steel structural frame.
The device for detecting the performance of the building door and window provided by the embodiment of the utility model has the following beneficial effects:
this embodiment is through setting up the frame, and set up air feed equipment in the frame, electric exhaust valve and controlgear, air feed equipment includes the fan simultaneously, the converter, the air-supply line, go out the tuber pipe, positive pressure flowmeter socket and negative pressure flowmeter socket, make when carrying out building door and window performance detection, insert corresponding flowmeter on positive pressure flowmeter socket and the negative pressure flowmeter socket on the performance detection device that this embodiment provided, will wait to detect building door and window simultaneously and place in being connected the seal box with this embodiment, can carry out the performance detection fast, thereby can provide unified equipment and detect, improve building door and window performance detection accuracy and detection efficiency.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the following figures and examples, in which:
fig. 1 is a schematic structural view of a device for detecting the performance of a building door and window according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the connection of a blower and a frequency converter according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a control device according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present numbers, and the above, below, within, etc. are understood as including the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
In the description of the present invention, reference to the description of "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The building door and window performance detection comprises air tightness performance detection, water tightness performance detection and wind pressure resistance performance detection. The air tightness of the building door and window refers to the capability of preventing air from permeating when the door and window is in a closed state. The watertight performance refers to the capability of preventing rainwater leakage of the closed door and window under the action of wind and rain. The wind pressure resistance refers to the capability of the closed door and window not to be damaged or dysfunctional under the action of wind pressure.
The air tightness evaluation of the building door and window is carried out by evaluating the unit seam length air permeation quantity or unit area air permeation quantity of a detection object under the pressure difference of 10Pa, and the air tightness grading value is in accordance with the preset regulation. The watertight performance evaluation is carried out by evaluating the previous stage differential pressure of the detection object generating serious leakage differential pressure, and the watertight performance grading value is in accordance with the preset regulation. The wind pressure resistance evaluation is to evaluate the allowable deflection of the stress rod piece of the detection object and the pressure difference corresponding to whether the detection object is damaged or dysfunctional, and the grading value of the wind pressure resistance is in accordance with the preset regulation.
Referring to fig. 1, an embodiment of the present invention provides a building door and window performance detection apparatus, including a frame 100, and an air supply device 200, an electric exhaust valve 300, and a control device 400 are disposed on the frame 100. The air supply device 200 comprises a blower 210, a frequency converter 220, an air inlet pipe 230, an air outlet pipe 240, a positive pressure flowmeter socket 250 and a negative pressure flowmeter socket 260; a first end of the air inlet pipe 230 is connected with an air inlet of the blower 210, and a second end of the air inlet pipe 230 is used for connecting a sealed box; a first end of the air outlet pipe 240 is connected with an air outlet of the air blower 210, and a second end of the air outlet pipe 240 is used for connecting a sealing box; the sealing box is used for placing a door and window test piece to be tested; the blower 210 is used for providing an air source; the frequency converter 220 is used for adjusting the wind pressure and the wind volume of the blower 210; the positive pressure flowmeter socket 250 is arranged on the air inlet pipe 230 and used for placing a positive pressure flowmeter; the negative pressure flowmeter jack 260 is arranged on the air outlet pipe 240 and used for placing a negative pressure flowmeter; the electric exhaust valve 300 is used for adjusting the high-low state of positive pressure in the seal box; the control device 400 is connected to the air supply device 200 and the electric exhaust valve 300, respectively.
Specifically, as shown in fig. 1 and 2, the frequency converter 220 is connected to the blower 210 for adjusting the rotation speed of the blower 210, and the voltage thereof is 380V and the power thereof is 3.7 kW. The blower M is a wind source device for providing pressure, and can adopt a power supply 380V, power of 3kW, full pressure of 5kPa and flow of 0.25M3A miniaturized fan of/s. The air inlet pipe 230 is an air inlet extension pipe of the blower 210 and is hermetically connected with an air inlet of the blower 210. The air inlet duct 230 may be a 160mm diameter plastic tube that is inserted into the enclosure containing the door and window test piece. The positive pressure flowmeter socket 250 is a reserved interface in the middle section of the air inlet pipe and is used for inserting a positive flowmeter. The positive flowmeter is used for monitoring the positive pressure air flow in the pipe, the position of the positive flowmeter is more than 5 times of the diameter of the pipe end, and the interface specification is matched with the flowmeter. The air outlet pipe 240 is an air outlet extension pipe of the air blower 210 and is hermetically connected with an air outlet of the air blower 210, and the air outlet pipe 240 can be a plastic pipe with the diameter of 160mm and is inserted into a closed box containing a door and window test piece. The negative pressure flow meter jack 260 is a reserved interface at the middle section of the air outlet pipe 240 and is used for inserting a negative pressure flow meter. The negative flowmeter is used for monitoring the negative pressure air flow in the pipe, the position of the negative flowmeter is more than 5 times of the diameter of the pipe end, and the interface specification is matched with the flowmeter. Wherein, the positive flowmeter and the negative flowmeter can adopt the same type of flowmeter. The electric exhaust valve 300 is connected to a T port of the inverter 220.
In order to effectively measure the air tightness of a door and window with a detection function, the electric exhaust valve can adopt an exhaust valve in the form of a direct-current electric push rod air inlet baffle, and specifically comprises an electromagnetic valve and a baffle, wherein the baffle is arranged on the air inlet pipe; the electromagnetic valve is connected with the control equipment and used for controlling the starting state of the baffle plate to adjust the height state of positive pressure in the sealing box, and a fluctuation positive pressure environment is provided for the detection of the watertight performance of doors and windows. When the blower stably operates, when the exhaust valve is closed, the positive pressure of the door and window closed box rises, when the exhaust valve is opened, the air is exhausted, and the pressure is reduced.
For better adjusting the detection process and observing the detection data, as shown in fig. 1, 2 and 3, the control device 400 includes a control body 410, a first pressure gauge 420, a second pressure gauge 430, a flow gauge 490, a pressure switch 440, a manual and automatic switch 450, a pressure adjusting potentiometer 460, a positive and negative pressure switch 470, and an exhaust valve button 480, wherein the first pressure gauge 420, the second pressure gauge 430, the flow gauge 490, the pressure switch 440, the manual and automatic switch 450, the pressure adjusting potentiometer 460, the positive and negative pressure switch 470, and the exhaust valve button 480 are all disposed in the control body 410. The positive-negative pressure changeover switch 470 is used for positive-negative pressure display switching.
When the detection device shown in fig. 1, 2 and 3 is applied to a specific detection process, a building door and window to be detected is placed in a sealed box, a positive flowmeter S is inserted into a positive pressure flowmeter socket 250, and a negative flowmeter S is inserted into a negative pressure flowmeter socket 260, and then the following steps are executed according to a specific type of performance detection:
firstly, detecting the air tightness of doors and windows, comprising a first step and a second step:
step one, power switches QS1 and QS2 are switched on, a frequency converter 220 and a control circuit are powered on, an intermediate relay KA1 is attracted and locked, the frequency converter 220 rotates forwards, a pressure change switch 440 is switched to 1 grade (air tightness detection), a first pressure gauge 420 and a flowmeter 490 single-channel thermotechnical gauge are powered on to work, a solenoid valve Y1 is powered on to conduct a pressure sampling channel, and air tightness detection is prepared to be completed;
and step two, the pressure regulating potentiometer 460 accelerates the blower 210 through the frequency converter 220, the pressure sampling pipe diameter receives a pressure signal, the pressure signal is transmitted to the first pressure gauge 420 and converted into a digital value reading value, the flow value of the flow meter 490 is read when the required pressure value is reached and stabilized, and the flow value of the flow meter 490 is read when the flow sensor outputs a signal through the blower pipeline flow sensor and is converted into a digital value through the flow meter 490.
Secondly, door and window wind pressure pressurization detects, including step three to step five:
step three, power switches QS1 and QS2 are switched on, the frequency converter 220 and a control circuit are powered on, the intermediate relay KA1 is pulled and locked, the frequency converter 220 rotates forwards, the pressure change-over switch 440 is switched to 2 steps (water tightness and wind pressure resistance detection), the single-channel thermal meter of the second pressure meter 430 is powered on to work, the electromagnetic valve Y2 is powered on to conduct a pressure sampling channel, the single-channel thermal meter of the first pressure meter 420 and the flow meter 490 is powered off to stop working, and the electromagnetic valve Y1 closes the pressure channel to protect the first pressure meter 420;
step four, during the detection of the water tightness performance, the peak value and the valley value of the water tightness performance detection fluctuation pressure are set on the second pressure gauge 430, the manual and automatic change-over switch 450 is turned to the automatic 1-gear position, the pressure adjusting potentiometer 460 accelerates the blower 210 through the frequency converter, when the sampling pressure value reaches the peak value set by the second pressure gauge 430, the upward pressurization is stopped, at the moment, the pressure display value of the second pressure gauge 430 controls the opening and closing actions of the exhaust valve through AH, AHH, ALL, KA2 and other elements of the second pressure gauge 430, so that the air pipe pressure automatically forms the determined circulation fluctuation pressure from the peak value to the valley value to the peak value, when the time of the water tightness performance detection is over, the manual and automatic change-over switch 450 is turned to the manual 2-gear position, and the automatic fluctuation pressurization is stopped. The manual surge pressurization is achieved by operating the exhaust valve button 480.
And step five, wind pressure resistance detection is carried out, the manual and automatic change-over switch 450 is switched to a manual gear position 2, the second pressure gauge 430 displays pressure, the pressure adjusting potentiometer 460 accelerates the air blower 210 through the frequency converter 220, when the pressure value reaches detection pressure, the displacement module collects deformation displacement data of the door and window components, and when the detection is finished, the exhaust valve button 480 is operated to open and release pressure.
In some embodiments, the control device is normally set to a closed state for improved safety, as the control device is in use. In order to facilitate maintenance of workers, a control door lock is further arranged on a control body of the control device, and the workers can maintain the internal circuit by opening the door lock.
In the use, because detection device need move different positions and carry out the performance detection of building door and window, for convenient the removal, as shown in fig. 1, still be equipped with universal pulley 500 on detection device, wherein, universal pulley 500 sets up in frame 100 bottom to detection device's removal process is convenient for. Meanwhile, in order to prolong the service life of the detection device, the rack used in the embodiment can be a steel structure rack.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
Claims (6)
1. The utility model provides a building door and window performance detection device which characterized in that includes:
a frame;
the air supply equipment is arranged on the rack and comprises an air blower, a frequency converter, an air inlet pipe, an air outlet pipe, a positive pressure flowmeter socket and a negative pressure flowmeter socket; the first end of the air inlet pipe is connected with an air inlet of the air blower, and the second end of the air inlet pipe is used for being connected with the sealing box; the first end of the air outlet pipe is connected with an air outlet of the air blower, and the second end of the air outlet pipe is used for being connected with the sealing box; the sealing box is used for placing a door and window test piece to be tested; the blower is used for providing an air source; the frequency converter is used for adjusting the air pressure and the air quantity of the blower; the positive pressure flowmeter socket is arranged on the air inlet pipe and used for placing a positive pressure flowmeter; the negative pressure flowmeter jack is arranged on the air outlet pipe and used for placing a negative pressure flowmeter;
the electric exhaust valve is arranged on the air inlet pipe and is used for adjusting the high-low state of positive pressure in the sealed box;
and the control equipment is arranged on the rack and is respectively connected with the air supply equipment and the electric exhaust valve.
2. The device for detecting the performance of the building door and window as claimed in claim 1, wherein the electric exhaust valve comprises an electromagnetic valve and a baffle plate, and the baffle plate is arranged on the air inlet pipe; the electromagnetic valve is connected with the control equipment and used for controlling the starting state of the baffle plate to adjust the high-low state of the positive pressure in the seal box.
3. The device for detecting the performance of the door and window of the building as claimed in claim 1, wherein the control equipment comprises a control body, a first pressure gauge, a second pressure gauge, a flow gauge, a pressure change-over switch, a manual change-over switch, an automatic change-over switch, a pressure adjusting potentiometer, a positive and negative pressure change-over switch and an exhaust valve button, and the first pressure gauge, the second pressure gauge, the flow gauge, the pressure change-over switch, the manual change-over switch, the automatic change-over switch, the pressure adjusting potentiometer, the positive and negative pressure change-over switch and the exhaust valve button are all arranged in the control body.
4. The device for detecting the performance of the door and window of the building as claimed in claim 3, wherein the control body is further provided with a control door lock.
5. The device for detecting the performance of the door and window of the building as claimed in claim 1, further comprising a universal pulley, wherein the universal pulley is disposed at the bottom of the frame.
6. The device for detecting the performance of the doors and windows of the building as claimed in claim 1, wherein the rack comprises a steel rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220305299.1U CN216955035U (en) | 2022-02-15 | 2022-02-15 | Building door and window performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220305299.1U CN216955035U (en) | 2022-02-15 | 2022-02-15 | Building door and window performance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216955035U true CN216955035U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220305299.1U Active CN216955035U (en) | 2022-02-15 | 2022-02-15 | Building door and window performance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216955035U (en) |
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2022
- 2022-02-15 CN CN202220305299.1U patent/CN216955035U/en active Active
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