CN2406237Y - Dynamic wind-pressure performance field testing apparatus for door and window of buildings - Google Patents
Dynamic wind-pressure performance field testing apparatus for door and window of buildings Download PDFInfo
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- CN2406237Y CN2406237Y CN 00201129 CN00201129U CN2406237Y CN 2406237 Y CN2406237 Y CN 2406237Y CN 00201129 CN00201129 CN 00201129 CN 00201129 U CN00201129 U CN 00201129U CN 2406237 Y CN2406237 Y CN 2406237Y
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Abstract
The utility model relates to a dynamic wind-pressure performance field testing apparatus for doors and windows of buildings, which comprises a simulating environmental system, a power source and a testing and controlling system, wherein, the simulating environmental system is composed of a showering water spray head and a simulating pressure box which is fixed to a cave mouth inside a window. The power source is arranged in a power box, and air is sent by at least two blowers which are connected in series through a positive pressure air pipe and a negative pressure air pipe to the simulating pressure box. The position of a piston valve and the flow rate are regulated and controlled according to feedback signals of a pressure sensor. Signals of the testing and controlling system are collected by the pressure sensor which is arranged around a tested piece and are input into a testing and controlling microcomputer, and thus tested datum can be output. The utility model is suitable for the field test of project acceptance of quality supervision departments in all levels.
Description
The utility model relates to a kind of door and window dynamic wind pressure property checkout equipment.
Existing door and window Performance Detection all is that testing laboratory is detected, and testing result can only be responsible for the sample window, can't reflect the actual conditions of engineering, exists sample presentation doors and windows performance and the inconsistent defective of engineering doors and windows quality.Because window frame making, attached frame, glass and part annex will be installed after last wall, and fabrication and installation may not be producers, often cause responsibility unclear, dispute is continuous, and its basic reason is exactly that huge, complicated checkout equipment makes the installation quality of door and window can not obtain on-the-spot the detection.
The purpose of this utility model provides a kind of simple in structure, accurate, portable equipment in situ testing dynamic wind pressure property of building door and window of measurement, realizes that the scene of the pneumatic pressure of building doors and windows is detected, thereby improves construction quality and product quality.
The technical scheme of the utility model equipment in situ testing dynamic wind pressure property of building door and window: this equipment comprises simulated environment system, the power source of supplying with this system and the TT﹠C system that places around the test specimen, it is characterized in that:
The simulated environment system is by forming with the trickle shower nozzle of micro pump control and the simulated pressure case that is fixed on the inboard hole of window;
Power source places among the headstock, blower fan by at least two parallel connections is blown to the simulated pressure case by positive pressure ventilation pipe and negative pressure airduct, headstock is divided into zone of positive pressure and negative pressuren zone by dividing plate, be communicated with positive pressure ventilation pipe and negative pressure airduct by ventilating opening, the piston valve of regulating air quantity is respectively arranged in two airducts, the screw rod that the piston valve center connects links to each other with drive motor, according to the feedback signal regulating piston valve position and the Control Flow of pressure transducer:
TT﹠C system is by placing displacement transducer, pressure transducer and the Temperature Humidity Sensor acquired signal around the test specimen and importing observing and controlling microcomputer output measured data.
Above-mentioned simulated pressure case is connected with screw by angle aluminium with rectangular metal pipe framework by transparent panel, is fixed on by support member and forms the plenum chamber space on the window opening mouth.
Above-mentioned trickle shower nozzle has four copper umbrella mist type shower nozzles, is fixed on the spray frame that is installed on the side hole outside window.
Temperature Humidity Sensor in the above-mentioned TT﹠C system is macromolecule membrane capacitive moisture sensor and semiconductor integrated temperature sensor.
Above-mentioned displacement transducer is the differential transformer sensor, places on the displacement sensor bracket.
Testing process of the present utility model: by non-electric charge quantity signallings such as each sensor acquisition displacement signal, temperature signal, moisture signal, atmospheric signal, wind velocity signal, pressure signals, send transmitter to be transformed into voltage, current signal, send into collector again and import portable computer again and carry out data processing and export the blower fan control signal through testing conditions settings, air penetration performance, rain leakage performance, blast deformation performance inspection module, the air pressure control procedure is a close-loop feedback control.When detection of negative pressure, the piston valve of negative pressuren zone moves left to the end, and wind enters from the negative pressure airduct, is divided into two parts by ventilating opening by piston valve after the blower fan pressurization, and a part enters forbay, for forbay provides blast; Another part directly leads to atmosphere, adjusts the position of piston valve, can change the ratio of two parts gas, thereby reaches the purpose of regulating pressure.Simultaneously, no matter the malleation piston valve is in any position, can both guarantee that blower fan is in the full flow duty all the time, has guaranteed the safety of blower fan.When malleation detected, opposite with detection of negative pressure, the malleation piston valve moved left to the end, regulated the negative pressure piston valve and changed pressure differential.Bleed to forbay this moment, and the test specimen surface produces pressure differential, is negative pressure in the case, and the outside is a high pressure, and the malleation that is equivalent to standard code testing laboratory testing conditions detects.
According to standard GB 7106～7108-86, the key technical indexes of the present utility model is as follows: maximum detection test specimen specification 1500 * 1500mm; Air penetration performance: flow 200m
3/ h, pressure reduction: ± 100Pa; Rain penetration performance: trickle amount 21m
2.min, pressure reduction: 500Pa; Blast deformation performance: displacement 0-20mm, pressure reduction: ± 3500Pa.
The utility model has the advantages that: detect with testing laboratory in the past and compare, censorship sample window performance and the inconsistent defective of engineering doors and windows quality have been solved, simultaneously can detect the door and window installation quality, consistent with the moving blast checkout equipment of testing laboratory building doors and windows, all testing process is handled automatically by computing machine, select by master menu, man-machine conversation mode's operation, have simple in structure, carry with easy to use, accurately and reliably, cheap advantage, be used for the on-the-spot air penetration that detects after building doors and windows is installed in the body of wall hole, rain leakage, the blast deformation performance, the scene that is fit to the quality supervised department acceptances of work at different levels is detected.
Below in conjunction with drawings and Examples the utility model is described in detail:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of headstock.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the front elevation of simulated pressure case.
Fig. 5 is Fig. 4 A-A sectional view.
Fig. 6 is Fig. 4 B-B sectional view.
Shown in Fig. 1-6, equipment in situ testing dynamic wind pressure property of building door and window comprises placing simulated environment system, the power source of supplying with this system and the TT﹠C system around the test specimen 4 on the body of wall 1.Wherein:
The simulated environment system is by forming with the trickle shower nozzle 2 of micro pump control and the simulated pressure case 7 that is fixed on the inboard hole of window.Simulated pressure case 7 is that the organic glass panel is connected with screw 20 by angle aluminium 22 with rectangle stainless-steel tube framework 21, is fixed on by support member and forms the plenum chamber space on the window opening mouth.Trickle shower nozzle 2 has four copper umbrella mist type shower nozzles, is fixed on the spray frame 3 of aluminum alloy square tube making, and the spray frame is installed in side hole outside window.
Power source places among the headstock 11, blower fan 18 by 2～4 parallel connections is blown to simulated pressure case 7 by positive pressure ventilation pipe 12 and negative pressure airduct 24, headstock 11 is divided into zone of positive pressure and negative pressuren zone by dividing plate, be communicated with positive pressure ventilation pipe 12 and negative pressure airduct 24 by ventilating opening 23, the piston valve 13 of regulating air quantity is respectively arranged in two airducts, the screw rod 14 that piston valve 13 centers connect links to each other with drive motor 16, according to the feedback signal regulating piston valve position and the Control Flow of pressure transducer.
TT﹠C system is by placing test specimen displacement transducer 5, pressure transducer 8 and Temperature Humidity Sensor collection on every side to gather displacement signal, wind velocity signal, temperature, humidity and atmospheric pressure signal pressure case gas signal, convert electric signal to by the C/V change-over circuit, by digital I/O control panel with power supply, Flow Measuring System, and input observing and controlling microcomputer 10 carries out data processing, and outputting a control signal to headstock, test result is by printer 9 outputs.Temperature Humidity Sensor in the TT﹠C system is macromolecule membrane capacitive moisture sensor and semiconductor integrated temperature sensor.Displacement transducer 5 is differential transformer sensors, and pressure adopts the diffuse si sensitive element, places on the displacement sensor bracket 6.
Claims (5)
1, a kind of equipment in situ testing dynamic wind pressure property of building door and window comprises placing test specimen simulated environment system, the power source of supplying with this system and TT﹠C system on every side, it is characterized in that:
The simulated environment system is by forming with the trickle shower nozzle of micro pump control and the simulated pressure case that is fixed on the inboard hole of window;
Power source places among the headstock, blower fan by at least two parallel connections is blown to the simulated pressure case by positive pressure ventilation pipe and negative pressure airduct, headstock is divided into zone of positive pressure and negative pressuren zone by dividing plate, be communicated with positive pressure ventilation pipe and negative pressure airduct by ventilating opening, the piston valve of regulating air quantity is respectively arranged in two airducts, the screw rod that the piston valve center connects links to each other with drive motor, according to the feedback signal regulating piston valve position and the Control Flow of pressure transducer;
TT﹠C system is by placing displacement transducer, pressure transducer and the Temperature Humidity Sensor acquired signal around the test specimen and importing observing and controlling microcomputer output measured data.
2, equipment in situ testing dynamic wind pressure property of building door and window according to claim 1, it is characterized in that: described simulated pressure case is connected with screw by angle aluminium with rectangular metal pipe framework by transparent panel, is fixed on by support member and forms the plenum chamber space on the window opening mouth.
3, equipment in situ testing dynamic wind pressure property of building door and window according to claim 1 is characterized in that: described trickle shower nozzle has four copper umbrella mist type shower nozzles, is fixed on the spray frame that is installed on the side hole outside window.
4, equipment in situ testing dynamic wind pressure property of building door and window according to claim 1 is characterized in that: the Temperature Humidity Sensor in the described TT﹠C system is macromolecule membrane capacitive moisture sensor and semiconductor integrated temperature sensor.
5, equipment in situ testing dynamic wind pressure property of building door and window according to claim 1 is characterized in that: described displacement transducer is the differential transformer sensor, places on the displacement sensor bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00201129 CN2406237Y (en) | 2000-01-28 | 2000-01-28 | Dynamic wind-pressure performance field testing apparatus for door and window of buildings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00201129 CN2406237Y (en) | 2000-01-28 | 2000-01-28 | Dynamic wind-pressure performance field testing apparatus for door and window of buildings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2406237Y true CN2406237Y (en) | 2000-11-15 |
Family
ID=33570452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00201129 Expired - Lifetime CN2406237Y (en) | 2000-01-28 | 2000-01-28 | Dynamic wind-pressure performance field testing apparatus for door and window of buildings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2406237Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374926A (en) * | 2010-08-17 | 2012-03-14 | 赖钦铭 | Weather tester with human-computer interface and operating method therefor |
| CN106594971A (en) * | 2016-11-10 | 2017-04-26 | 西安建筑科技大学 | Method for controlling minimum air volume of mechanical ventilation system in cavern |
-
2000
- 2000-01-28 CN CN 00201129 patent/CN2406237Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374926A (en) * | 2010-08-17 | 2012-03-14 | 赖钦铭 | Weather tester with human-computer interface and operating method therefor |
| CN106594971A (en) * | 2016-11-10 | 2017-04-26 | 西安建筑科技大学 | Method for controlling minimum air volume of mechanical ventilation system in cavern |
| CN106594971B (en) * | 2016-11-10 | 2019-01-29 | 西安建筑科技大学 | The minimum air quantity control method of mechanical ventilation system in grottoes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |