CN206876271U - A kind of close adjustment test specimen of air-flow measurement system calibration - Google Patents
A kind of close adjustment test specimen of air-flow measurement system calibration Download PDFInfo
- Publication number
- CN206876271U CN206876271U CN201720540473.XU CN201720540473U CN206876271U CN 206876271 U CN206876271 U CN 206876271U CN 201720540473 U CN201720540473 U CN 201720540473U CN 206876271 U CN206876271 U CN 206876271U
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- China
- Prior art keywords
- test specimen
- calibration
- slotted eye
- ventilative slotted
- sliding block
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Abstract
A kind of close adjustment test specimen of air-flow measurement system calibration is the utility model is related to, including installing frame and calibration test specimen, test specimen is calibrated to be arranged on installing frame, the first ventilative slotted eye and multiple second ventilative slotted eyes are provided with calibration test specimen, sealing sliding block is provided with the rear end of the first ventilative slotted eye and the second ventilative slotted eye, sealing sliding block is sealed with calibration test specimen by sealing ring, clamp is provided with sealing sliding block, one group of internal threaded column is provided with clamp, compression fastener is connected with by Antiskid screw on internal threaded column.The utility model, which has, shortens calibration section, improve precision and overcome existing method bigger error defect, make the calibration that calibration process is more efficient, more environmentally friendly, improve the accuracy rate of calibration, avoid because calibration error or exceed the proper limits in righting a wrong misjudgement test specimen tightness class, ensure experimental result it is true and reliable the advantages of.
Description
Technical field
It the utility model is related to a kind of calibration of the air-flow measurement system of building external doors and windows air-tightness detection means.
Background technology
Construction engineering test mechanism is in daily carry out building external doors and windows air-tightness detection process, according to GB/T
7106—2008《Building external doors and windows are airtight, watertight, resisting wind press capacity are classified and detection method》Regulation, detecting instrument used is empty
The calibration cycle of air-flow system for measuring quantity is not more than six months, and when air flow error needs to correct more than 5%.With existing
Calibration plate find when deviation occurs when being calibrated, one larger indeterminacy section of appearance between different the number of openingss.I.e.
Just its specific correction value is determined using interpolation method, also causes the error of calibration data quite big because deviation section is excessive, direct shadow
Ring the accuracy of calibration result.And when being calibrated with existing calibration plate, metering orifice on plate is sealed with plastic adhesive tape, no
Material is only expended, is also unfavorable for energy-conserving and environment-protective.
The content of the invention
The purpose of this utility model is to overcome the shortcomings of the above, is related to a kind of shorten and calibrates section, improves precision, more
Efficiently, more environmentally friendly calibration, the accuracy rate of calibration is improved, avoided because of calibration error or the airtight of misjudgement test specimen of exceeding the proper limits in righting a wrong
Property grade, ensure the close adjustment test specimen of the true and reliable air-flow measurement system calibration of experimental result.
The purpose of this utility model is achieved through the following technical solutions：A kind of precision of air-flow measurement system calibration
Test specimen, including installing frame and calibration test specimen are calibrated, the calibration test specimen is arranged on installing frame, is provided with the calibration test specimen
First ventilative slotted eye and multiple second ventilative slotted eyes, sealing is provided with the rear end of the described first ventilative slotted eye and the second ventilative slotted eye
Sliding block, the sealing sliding block are sealed with calibration test specimen by sealing ring, clamp are provided with the sealing sliding block, in the clamp
One group of internal threaded column is provided with, compression fastener is connected with by Antiskid screw on the internal threaded column.
Further improvement of the utility model is：Indicated on the outside of the described first ventilative slotted eye and the second ventilative slotted eye
Graduation apparatus.
Further improvement of the utility model is：One first ventilative slotted eye is longitudinally provided with the calibration test specimen,
Laterally it is provided with four second ventilative slotted eyes.
Further improvement of the utility model is：The size of described first ventilative slotted eye is 10mm*200mm, described the
The size of two ventilative slotted eyes is 50mm*200mm.
The utility model has the advantage that compared with prior art：
Shorten calibration section, improve precision and overcome existing method bigger error defect, make calibration process more efficient, more environmentally friendly
Calibration, improve the accuracy rate of calibration, avoid the tightness class because of calibration error or misjudgement test specimen of exceeding the proper limits in righting a wrong, ensure
Experimental result it is true and reliable.
Brief description of the drawings：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is scheme of installation of the sealing sliding block with compressing fastener；
Fig. 3 is the scheme of installation of sealing sliding block；
Label in figure：1- installing frames, 2- calibrations test specimen, 3-1- first slotted eye, the 3-2- second that breathe freely breathe freely slotted eye, 4- sealings
Sliding block, 5- clamps, 6- internal threaded columns, 7- Antiskid screws, 8- compress fastener.
Embodiment：
In order to deepen to understanding of the present utility model, the present invention is made below in conjunction with embodiment and accompanying drawing further detailed
State, the embodiment is only used for explaining the present invention, is not intended to limit the scope of the present invention..
As Fig. 1-3 shows a kind of specific reality of the close adjustment test specimen of air-flow measurement system calibration of the utility model
Apply mode：Including installing frame 1 and calibration test specimen 2, the calibration test specimen 2 is arranged on installing frame 1, on the calibration test specimen 2
The first ventilative slotted eye 3-1 and multiple second ventilative slotted eye 3-2 are provided with, in the described first ventilative ventilative slotted eyes of slotted eye 3-1 and second
3-2 rear end is provided with sealing sliding block 4, and the sealing sliding block 4 is sealed with calibration test specimen 2 by sealing ring, in the sealing sliding block 4
Clamp 5 is provided with, one group of internal threaded column 6 is provided with the clamp 5, is connected on the internal threaded column 6 by Antiskid screw 7
Have and compress fastener 8；Graduation apparatus is indicated on the outside of the described first ventilative ventilative slotted eye 3-2 of slotted eye 3-1 and second；In the calibration
One first ventilative slotted eye 3-1 is longitudinally provided with test specimen 2, is laterally provided with four second ventilative slotted eye 3-2；First ventilating groove
Hole 3-1 size is 10mm*200mm, and the described second ventilative slotted eye 3-2 size is 50mm*200mm.
5 pre-drilled cavity groove sizes on plate body are 1 10mm*200mm and 4 50mm*200mm, and the length of hole slot is
200mm, wherein front half section 100mm position are carved with the scale for being accurate to 1mm and mutually corresponded to up and down, as long as scale pair up and down
Its, it is ensured that sealing sliding block is vertical with hole slot.Effect fixed after being moved mainly as sliding block second half section 100mm.Pass through 1
The combination of the unlatching size of sliding block in 10mm*200mm and 4 50mm*200mm pre-drilled cavity groove, can be accurately obtained precision is
0.1cm2, scope are the combination of 0 ~ 210 cm2 different size open pore.
Its scale is corresponded to using the sealing sliding block calibrated on test specimen, air stream is accurately controlled using the slip for sealing sliding block
Amount, when deviation occurring in calibration, using the folding amount of the ventilative notch of control, the front and back position of face deviation appearance point is carried out
Encrypted calibration, shorten the error burst that need to correct, in a calibration process without be sealed again with plastic adhesive tape, using sealing
On the inside of sliding block plus rubber strip is used, controls it to slide or seal by fastener, simplifies experimental procedure, avoid the consumption of material
Take.
The utility model shortens calibration section, improves precision and overcomes existing method bigger error defect, makes calibration process more
Efficiently, more environmentally friendly calibration, the accuracy rate of calibration is improved, avoided because of calibration error or the airtight of misjudgement test specimen of exceeding the proper limits in righting a wrong
Property grade, ensures the true and reliable of experimental result.
The another statement of applicant, the utility model illustrate implementation method of the present utility model and dress by above-described embodiment
Structure is put, but the utility model is not limited to above-mentioned embodiment, that is, does not mean that the utility model has to rely on above-mentioned side
Method and structure could be implemented.Person of ordinary skill in the field is it will be clearly understood that to any improvement of the present utility model, to this reality
With the addition of new selected implementation method equivalence replacement and step, selection of concrete mode etc., all fall within of the present utility model
Within protection domain and scope of disclosure.
The utility model is not limited to above-mentioned embodiment, it is all using structure similar with the utility model and its method come real
All modes of existing the utility model purpose, within the scope of protection of the utility model.
Claims (4)
1. a kind of close adjustment test specimen of air-flow measurement system calibration, including installing frame（1）With calibration test specimen（2）, it is described
Calibrate test specimen（2）Installed in installing frame（1）On, it is characterised in that：In the calibration test specimen（2）On be provided with the first ventilative slotted eye
（3-1）With the multiple second ventilative slotted eyes（3-2）, in the described first ventilative slotted eye（3-1）With the second ventilative slotted eye（3-2）Rear end
Provided with sealing sliding block（4）, the sealing sliding block（4）With calibrating test specimen（2）Sealed by sealing ring, in the sealing sliding block（4）
It is provided with clamp（5）, in the clamp（5）It is provided with one group of internal threaded column（6）, in the internal threaded column（6）Above by anti-skidding
Screw（7）It is connected with compression fastener（8）.
A kind of 2. close adjustment test specimen of air-flow measurement system calibration according to claim 1, it is characterised in that：
Described first ventilative slotted eye（3-1）With the second ventilative slotted eye（3-2）Outside indicate graduation apparatus.
A kind of 3. close adjustment test specimen of air-flow measurement system calibration according to claim 1, it is characterised in that：
The calibration test specimen（2）Upper longitudinal direction is provided with one first ventilative slotted eye（3-1）, laterally it is provided with four second ventilative slotted eyes（3-2）.
A kind of 4. close adjustment test specimen of air-flow measurement system calibration according to claim 1, it is characterised in that：Institute
State the first ventilative slotted eye（3-1）Size be 10mm*200mm, the described second ventilative slotted eye（3-2）Size be 50mm*
200mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720540473.XU CN206876271U (en) | 2017-05-16 | 2017-05-16 | A kind of close adjustment test specimen of air-flow measurement system calibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720540473.XU CN206876271U (en) | 2017-05-16 | 2017-05-16 | A kind of close adjustment test specimen of air-flow measurement system calibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206876271U true CN206876271U (en) | 2018-01-12 |
Family
ID=61339736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720540473.XU Expired - Fee Related CN206876271U (en) | 2017-05-16 | 2017-05-16 | A kind of close adjustment test specimen of air-flow measurement system calibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206876271U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827625A (en) * | 2018-09-25 | 2018-11-16 | 尚廷东 | A kind of building element testing machine calibrating installation and its simulation window |
| CN110398278A (en) * | 2019-08-01 | 2019-11-01 | 河南牛帕力学工程研究院 | A kind of building curtain wall testing machine air flow meter calibration standard test specimen |
-
2017
- 2017-05-16 CN CN201720540473.XU patent/CN206876271U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827625A (en) * | 2018-09-25 | 2018-11-16 | 尚廷东 | A kind of building element testing machine calibrating installation and its simulation window |
| CN110398278A (en) * | 2019-08-01 | 2019-11-01 | 河南牛帕力学工程研究院 | A kind of building curtain wall testing machine air flow meter calibration standard test specimen |
| CN110398278B (en) * | 2019-08-01 | 2024-07-16 | 遵义市众欣建筑材料检测有限公司 | Standard test piece for calibrating air flow meter of building curtain wall testing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 Termination date: 20210516 |