CN208313535U - Door/window testing machine calibrating installation and combinations thereof gas flowmeter - Google Patents
Door/window testing machine calibrating installation and combinations thereof gas flowmeter Download PDFInfo
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- CN208313535U CN208313535U CN201820947120.6U CN201820947120U CN208313535U CN 208313535 U CN208313535 U CN 208313535U CN 201820947120 U CN201820947120 U CN 201820947120U CN 208313535 U CN208313535 U CN 208313535U
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Abstract
The utility model relates to a kind of door/window testing machine calibrating installations, including simulation window, simulation window includes with the simulation window ontology for mitigating chamber, the windward side of simulation window ontology is provided with air inlet, door/window testing machine calibrating installation further includes combination gas flowmeter, combination gas flowmeter includes the first flow calibrating gas circuit being arranged in parallel and second flow calibrating gas circuit, combining gas flowmeter further includes at least two proving flowmeters, the leeward side of simulation window is provided with flow value channel, first switch valve is provided in first flow calibrating gas circuit, second switch valve is provided in second flow calibrating gas circuit, the inlet end of each proving flowmeter is connected together with air inlet path with first flow calibrating gas circuit, the outlet side of each proving flowmeter is connected together with exhaust line with second flow calibrating gas circuit.The technical issues of gas flowmeter calibrating that the utility model solves in the prior art to realize under positive pressure, subnormal ambient needs to be used in a greater number proving flowmeter.
Description
Technical field
The utility model relates to a kind of door/window testing machine calibrating installation and combinations thereof gas flowmeters.
Background technique
It needs that door and window is installed on construction wall, for door and window, needs the resisting wind press capacity to door and window, air permeability
Can, rain leakage performance these three physical properties tested, the testing machine that can carry out testing inspection to door and window be known as door and window
Testing machine, the ZMC series door/window testing machine of existing door/window testing machine such as MIS industrial system (China) Co., Ltd production, door
Window testing machine includes testing machine rack, and true erection of doors and windows in testing machine rack when use, door/window testing machine includes peace
Loaded on the sucktion fan in testing machine rack and equipment of drenching with rain, sucktion fan can generate normal pressure and negative pressure to door and window, lead to
Whether the pressure sensor door and window for crossing door/window testing machine itself meets the requirements, and door and window experimental machine further includes detecting the wind of sucktion fan
The flow sensor of machine flow.Equipment of drenching with rain is used to detect the watertightness of door and window.
According to vertification regulation, the pressure sensor in door/window testing machine and gas flowmeter needed is regularly examined
It is fixed, be all in the past by door/window testing machine pressure sensor and gas flowmeter dismantle, take calibrating laboratory and go to examine and determine, grasp
It is very troublesome to make process, we had investigated a kind of calibrating installation later comprising for simulating the simulation window of real window,
There are also six proving flowmeters for being examined and determine gas flowmeter, six normal flows are calculated as three pairs, each pair of normal stream
The positive pressure flow and negative pressure flow that meter can generate the sucktion fan in testing machine respectively are examined and determine, and why use three
Group is to guarantee respectively to examine and determine the accuracy value in range, and calibrating installation further includes three standard pressure transducers, three standards
Pressure sensor is for examining and determine the pressure sensor of door/window testing machine.Existing this calibrating installation there are the problem of
In: since each gas flowmeter can only be detected unidirectionally, in order to realize to the gas flow in door/window testing machine into
Row calibrating, the appearance that proving flowmeter must be pairs of are completed in gas flowmeter positive pressure environment and subnormal ambient
It examines and determine respectively, the use number that this will lead to proving flowmeter is more, increases the cost of door/window testing machine calibrating installation, simultaneously
Also it is unfavorable for the carrying transport of door/window testing machine.
Utility model content
The purpose of this utility model is to provide a kind of door/window testing machine calibrating installations, to solve in the prior art as realization
The technical issues of gas flowmeter calibrating under positive pressure, subnormal ambient needs to be used in a greater number proving flowmeter.
In order to solve the above technical problems, the technical solution of door/window testing machine calibrating installation is as follows in the utility model:
A kind of door/window testing machine calibrating installation, including simulation window, simulation window include for being installed on corresponding door and window experimental machine
On front side be windward side simulation window ontology, simulation window ontology have mitigate chamber, the windward side of simulation window ontology be provided with
It is described to mitigate the air inlet that communicates of chamber, door/window testing machine calibrating installation further include for the gas flowmeter to door/window testing machine into
The combination gas flowmeter of row calibrating, combination gas flowmeter include the first flow calibrating gas circuit and second flow being arranged in parallel
Gas circuit is examined and determine, combination gas flowmeter further includes at least two proving flowmeters, and the leeward side of simulation window is provided with described in connection
The flow value channel of chamber and first flow calibrating gas circuit, second flow calibrating gas circuit is mitigated, is set in first flow calibrating gas circuit
It is equipped with first switch valve, is provided with second switch valve, the inlet end of each proving flowmeter and air inlet in second flow calibrating gas circuit
Road is connected with first flow calibrating gas circuit together, and gas is examined and determine with second flow together with exhaust line in the outlet side of each proving flowmeter
Road is connected, and is provided with switch valve in exhaust line, air inlet path and gas circuit where each proving flowmeter.
Each switch valve is flow control valve.
Instrument room is connected on rear side of simulation window, the combination gas flowmeter is set in the instrument room.
The technical solution of gas flowmeter is combined in the utility model are as follows:
A kind of combination gas flowmeter of door/window testing machine calibrating installation, the first flow including being arranged in parallel examine and determine gas circuit
Gas circuit is examined and determine with second flow, combination gas flowmeter further includes at least two proving flowmeters, and first flow is examined and determine in gas circuit
Be provided with first switch valve, be provided with second switch valve in second flow calibrating gas circuit, the inlet end of each proving flowmeter with into
Gas circuit is connected with first flow calibrating gas circuit together, and the outlet side of each proving flowmeter is examined and determine together with exhaust line with second flow
Gas circuit is connected, and is provided with switch valve in exhaust line, air inlet path and gas circuit where each proving flowmeter.
Each switch valve is flow control valve.
The utility model has the following beneficial effects: first opens when the sucktion fan of live door/window testing machine generates normal pressure
It closes valve to open, corresponding proving flowmeter work, air inlet path is closed, and exhaust line is opened, can be to the gas flow of architectural experiment machine
Meter carries out positive pressure range calibrating, and when the sucktion fan air-breathing of architectural experiment machine generates negative pressure, second switch valve is opened, exhaust line
It closes, air inlet path is opened, and can be carried out range of negative pressure calibrating to the gas flowmeter of live door/window testing machine, be passed through the choosing of gas circuit
It selects, each proving flowmeter can carry out positive pressure, negative pressure value calibrating, and proving flowmeter is not required to occur in pairs, reduce normal stream
The use of meter number, reduces cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of door/window testing machine calibrating installation in the utility model；
Fig. 2 is the structural schematic diagram of simulation window in Fig. 1；
Fig. 3 is the structural schematic diagram of the windward side of simulation window in Fig. 1；
Fig. 4 is the structural schematic diagram of the leeward side of simulation window in Fig. 1；
Fig. 5 is the cooperation schematic diagram that gas flowmeter and simulation window are combined in Fig. 1；
Fig. 6 is the cooperation schematic diagram of pressure sensor calibrating device and simulation window in Fig. 1；
Fig. 7 is the usage state diagram of Fig. 1.
Specific embodiment
Described in a kind of implementation such as Fig. 1 ~ 7 of door/window testing machine calibrating installation: including simulation window 2 and after being connected to simulation window
The instrument room 12 of side, simulation window 2 include the simulation window ontology that front side for being installed in corresponding door and window experimental machine is windward side,
Simulation window ontology includes front side board 4, back side panel and the surrounding side wall 1 being set between front side board, back side panel, entire simulation window sheet
Body is square structure, and surrounding side wall is hollow structure, defines between front side board, back side panel and surrounding side wall and mitigates chamber 7.Simulation
The air inlet 3 that left and right is communicated with mitigation chamber is set on windward side, that is, front side board of window ontology, air inlet 3 has multiple, each 3 edge of air inlet
The circumferential uniform intervals in the same center of circle are arranged.The middle part of front side board and surrounding are provided with the screw thread that axis extends along the longitudinal direction
Simulation window ontology can be fixed in door and window experimental machine by hole 5, when use by the attachment screw that installs from front to back.Simulation
Flow value channel 17 and pressure value channel 18 are provided on leeward side, that is, back side panel of window ontology, wherein flow value channel
17 are in the positive rear side of the surrounded center location of each air inlet.The leeward side of simulation window ontology is pressed with reinforcing rib knot outstanding facing forward
Structure 19.
Calibrating installation further includes being connected with flow value channel 17 for the gas flowmeter progress to door and window experimental machine
The combination gas flowmeter 14 of calibrating and the pressure sensor progress being used for door and window experimental machine being connected with pressure value channel
The pressure sensor of calibrating examines and determine unit 16.Combination gas flowmeter and pressure sensor calibrating unit are installed on instrument room 12
Interior, in the utility model, combination gas flowmeter includes three range limiting values by small the first proving flowmeter successively to become larger
27, the second proving flowmeter 28 and third proving flowmeter 29, each proving flowmeter are one-way flow meter, and one-way flow meter is
Refer to that by the gas direction of gas flowmeter can only be a direction, is connected with first be arranged in parallel on flow value channel
Flow verification gas circuit 21 and second flow examine and determine gas circuit 22, are provided with first switch valve 23 in first flow calibrating gas circuit 21, the
Second switch valve 24 is provided in two flow verification gas circuits 22.Three proving flowmeters are arranged in parallel, three proving flowmeters
Inlet end is connected with first flow calibrating gas circuit 21 together with air inlet path 25, the outlet side of three proving flowmeters and exhaust line 26
It is connected together with second flow calibrating gas circuit 22, in the place gas circuit of exhaust line 26, air inlet path 25 and each proving flowmeter
It is provided with switch valve, the switch valve where each proving flowmeter in gas circuit is flow control valve, gas where exhaust line, air inlet path
The switch valve of road is also flow control valve.It includes that three range limiting values are successively become larger by small that pressure sensor, which examines and determine unit,
First standard pressure transducer 32, the second standard pressure transducer 33 and third standard pressure transducer 34, each normal pressure pass
Sensor is arranged in parallel, and is connected by the first gas circuit with pressure value channel, in the place gas circuit of each standard pressure transducer
It is serially connected with switch valve and helical pipe 35, helical pipe 35 can further improve gas stabilization, guarantee normal pressure
The calibration accuracy of sensor.Figure middle term 13 indicates the air inlet pipe communicated with air inlet path, and item 15 indicates the exhaust communicated with exhaust line
Pipe.Figure middle term 41 indicates that the gas pressure being connected between flow value channel and flow verification gas circuit adjusts proportioning valve；Item 42
It indicates control plate, instrument is corresponded in control plate and instrument room and passes through wireless control connection.Outside the leeward side outer ring of simulation window
It is exposed to instrument room, which can cooperate with press strip, be fixed by press strip to simulation window.
Be additionally provided in instrument room power supply and each switch valve of control and with each standard pressure transducer and each normal flow
The CPU9 of meter sampling connection, figure middle term 10 indicate power supply, are provided with liquid crystal touch screen 11 on rear side of instrument room.It is tested to door and window
When machine 40 is examined and determine, simulation window is installed in door and window experimental machine, the sucktion fan of door and window experimental machine itself can produce normal pressure
And negative pressure, by taking the gas flowmeter calibrating to door/window testing machine as an example, when the sucktion fan of door/window testing machine generates normal pressure
When, first switch valve is opened, and corresponding proving flowmeter work, air inlet path is closed, and exhaust line is opened, can be to door and window experimental machine
Gas flowmeter carries out positive pressure range calibrating, and when the sucktion fan air-breathing of door and window experimental machine generates negative pressure, second switch valve is beaten
It opens, exhaust line is closed, and air inlet path is opened, and can be carried out range of negative pressure calibrating to the gas flowmeter of door/window testing machine, be passed through gas
The selection on road, each proving flowmeter can carry out positive pressure, negative pressure value calibrating, eliminate a proving flowmeter, reduce mark
The use of quasi- flowmeter, not only saves cost, can be mounted in an instrument room after reducing proving flowmeter number
It is interior, it realizes highly integrated.Switch valve where proving flowmeter in gas circuit is flow control valve, passes through making for flow control valve
With the state that small flow and high pressure may be implemented generates, and small flow and high-pressure state are the main works of door/window testing machine
Make state.By exhaust line, the adjusting of the switch valve of air inlet path, common realize is adjusted with the electric blower of door/window testing machine itself
Multi-state in-circuit emulation detection.The multiple proving flowmeters and standard pressure transducer why used are to guarantee right
The calibration accuracy in detection range answered.Calibrating installation in the utility model can also examine glass curtain wall testing machine
It is fixed.
In the other embodiments of the utility model, pressure sensor examines and determine the number of unit Plays pressure sensor also
It can according to need and be configured, such as two, four or other numbers；Combine of gas flowmeter Plays flowmeter
Number can also be two, four or other numbers.
Claims (5)
1. a kind of door/window testing machine calibrating installation, it is characterised in that: including simulation window, simulation window includes corresponding for being installed on
Front side in door and window experimental machine is the simulation window ontology of windward side, and simulation window ontology, which has, mitigates chamber, and simulation window ontology is windward
Side is provided with the air inlet communicated with the mitigation chamber, and door/window testing machine calibrating installation further includes for the gas to door/window testing machine
The combination gas flowmeter that flowmeter body is examined and determine, combination gas flowmeter include the first flow calibrating gas circuit being arranged in parallel
Gas circuit is examined and determine with second flow, combination gas flowmeter further includes at least two proving flowmeters, the leeward side setting of simulation window
Have and is connected to the flow value channel for mitigating chamber and first flow calibrating gas circuit, second flow calibrating gas circuit, first flow inspection
Determine to be provided with first switch valve in gas circuit, be provided with second switch valve in second flow calibrating gas circuit, each proving flowmeter into
Gas end is connected together with air inlet path with first flow calibrating gas circuit, and the outlet side of each proving flowmeter is together with exhaust line with second
Flow verification gas circuit is connected, and is provided with switch valve in exhaust line, air inlet path and gas circuit where each proving flowmeter.
2. door/window testing machine calibrating installation according to claim 1, it is characterised in that: each switch valve is that flow is adjusted
Valve.
3. door/window testing machine calibrating installation according to claim 1 or 2, it is characterised in that: be connected on rear side of simulation window
Instrument room, the combination gas flowmeter are set in the instrument room.
4. a kind of combination gas flowmeter of door/window testing machine calibrating installation, it is characterised in that: first-class including what is be arranged in parallel
Amount calibrating gas circuit and second flow examine and determine gas circuit, and combination gas flowmeter further includes at least two proving flowmeters, first flow
It is provided with first switch valve in calibrating gas circuit, is provided with second switch valve in second flow calibrating gas circuit, each proving flowmeter
Inlet end is connected together with air inlet path with first flow calibrating gas circuit, and the outlet side of each proving flowmeter is together with exhaust line with the
Two flow verification gas circuits are connected, and are provided with switch valve in exhaust line, air inlet path and gas circuit where each proving flowmeter.
5. combination gas flowmeter according to claim 4, it is characterised in that: each switch valve is flow control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820947120.6U CN208313535U (en) | 2018-06-20 | 2018-06-20 | Door/window testing machine calibrating installation and combinations thereof gas flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820947120.6U CN208313535U (en) | 2018-06-20 | 2018-06-20 | Door/window testing machine calibrating installation and combinations thereof gas flowmeter |
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| Publication Number | Publication Date |
|---|---|
| CN208313535U true CN208313535U (en) | 2019-01-01 |
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ID=64707057
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820947120.6U Active CN208313535U (en) | 2018-06-20 | 2018-06-20 | Door/window testing machine calibrating installation and combinations thereof gas flowmeter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709700A (en) * | 2018-06-20 | 2018-10-26 | 河南省计量科学研究院 | A kind of door/window testing machine calibrating installation and combinations thereof gas flowmeter |
| CN111811623A (en) * | 2020-07-23 | 2020-10-23 | 三门核电有限公司 | Auxiliary judgment method for measuring flow of high-pressure gas supply |
-
2018
- 2018-06-20 CN CN201820947120.6U patent/CN208313535U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709700A (en) * | 2018-06-20 | 2018-10-26 | 河南省计量科学研究院 | A kind of door/window testing machine calibrating installation and combinations thereof gas flowmeter |
| CN111811623A (en) * | 2020-07-23 | 2020-10-23 | 三门核电有限公司 | Auxiliary judgment method for measuring flow of high-pressure gas supply |
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