CN208846633U - A kind of gamut high-precision volume adjusting apparatus - Google Patents
A kind of gamut high-precision volume adjusting apparatus Download PDFInfo
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- CN208846633U CN208846633U CN201821152588.2U CN201821152588U CN208846633U CN 208846633 U CN208846633 U CN 208846633U CN 201821152588 U CN201821152588 U CN 201821152588U CN 208846633 U CN208846633 U CN 208846633U
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- volume damper
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Abstract
The utility model discloses a kind of gamut high-precision volume adjusting apparatus, including ventilation shaft, installation is there are two volume damper between the inner wall of the ventilation shaft, and described two volume dampers are respectively thin volume damper and thick volume damper, in realizing the adjustment process for stablizing air quantity.The aperture of the thin volume damper increases with the aperture of thick volume damper and is reduced, and the aperture of the thin volume damper reduces with the aperture of thick volume damper and increased.The utility model, which combines coarse adjustment with thin tuning, to be adjusted, and can effectively solve the problem that the overall precision difference that existing ventilation industry air quantity is adjusted, the bad adaptability that different air quantity ranges are adjusted, the problem that precision can not be stable in adjustable range.
Description
Technical field
The utility model relates to air quantity regulation technology field, especially a kind of gamut high-precision volume adjusting apparatus.
Background technique
Stablize the degree of regulation of air quantity in the industries air-conditioning system such as medicine, electronics, operating room, food to whole system
Steadily, energy-saving run is most important, and air quantity is all the air force that pipeline is adjusted by the aperture of control valve, regulating valve pair
The accuracy relation that air quantity is adjusted is to operation risks such as the stabilization of entire air-conditioning system, cross contamination, operating room acquired infections.Ventilating system
Need to realize the stable regulation of different operating air quantity range, this just needs a kind of volume adjusting apparatus to can be realized low air quantity, just
Stable regulation under the difference air quantity sets requirement such as Chang Fengliang, high air quantity.So the degree of regulation of volume adjusting apparatus is to entire
Air cleaning and conditioning system is extremely important.
CN207111950U discloses a kind of volume damper, including valve body, blade, adjustment gear and rotary shaft, blade
In the chamber of connection valve body two sides exterior space, and it is connected with rotary shaft, rotary shaft is supported on the two sidewalls of valve body,
Rotary shaft is connected at one end through the side wall of valve body with the adjustment gear being located on the outside of valve body, can band when adjustment gear rotates
Dynamic rotary shaft rotation, to be rotated with movable vane piece, to adjust the folding angle of blade.Use intermeshing adjustment gear with right
Open form formula adjusts the folding angle of blade, increases flow adjustment range, improves degree of regulation.
CN205037522U discloses a kind of efficient air distributor for facilitating air quantity to adjust, the case for being equipped with air inlet with one
Body, high efficiency particulate air filter are arranged in the cabinet, and the bottom of box is equipped with air diffuser, which is equipped with air quantity adjusting mechanism, the wind
Amount regulating mechanism adjusts blade with air quantity adjusting rod and air quantity and connect, and to be arranged in the air quantity by rotating air quantity adjusting rod
Air quantity on regulating mechanism adjusts blade rotation, so that the angle that air quantity adjusts blade changes, reaches and adjusts air quantity variation
Purpose.This kind of air quantity adjustment structure changes position and method that original air quantity is adjusted, by efficient air distributor and volume damper
It is integrated, so that toilet is significantly reduced the working strength of debugging efforts personnel in debugging, and can effectively prevent toilet
Sealing ask.
As shown in Figure 1, the existing mode for adjusting valve regulation air quantity.Air quantity adjusts the aperture ∠ C for passing through volume damper piece
The intracorporal draught area of valve is adjusted, realizes the adjusting of air quantity.The tune that the entire air quantity of the degree of regulation relationship of volume damper is adjusted
Save performance.
As shown in figure 3, the work of volume damper piece has different degree of regulation, entire work in different open ranges
Make intervals control precision to differ greatly, the valve regulated precision in different open ranges is different, and each valve has its own
The degree of regulation that structure determines, there is preferable degree of regulation in this working region.Usual regulating valve aperture 40%~
Degree of regulation with higher in 60% working region, when the low aperture working region of volume damper and high aperture working region
Precision is low.
Volume damper realize air quantity in the stable regulation of 2000M3/H, the work aperture ∠ C of valve 20% or so, this
When volume damper precision it is lower；When realizing stable regulation of the air quantity in 4000M3/H, the work aperture of valve is on 50% left side
There is preferable degree of regulation on the right side；Realize air quantity in the stable regulation of 8000M3/H, the work aperture of valve 80% or so, this
When volume damper precision it is lower；
Air quantity adjusts the high-precision that can not achieve under different Boiler pressure control requirements and adjusts.
Current air quantity regulation technology can not realize that the high-precision under different air quantity requirements is adjusted, when the larger air quantity of needs
When stable regulation, adjust valve block working region aperture it is just big, realize smaller air quantity stable regulation when, adjust
The aperture of valve working region is just small, and the working region for adjusting valve block can change because of the requirement of different Boiler pressure control ranges, whole
A air quantity adjusting can not also save stable precision.The degree of regulation of volume damper is not linear characteristic, this is that air quantity is adjusted
Valve and air-flow character are determined, can not realize that the high-precision of stablizing in gamut is adjusted, then good valve manufacture technique
This characteristic can not be changed.
Therefore, the degree of regulation of any volume adjusting apparatus all has range in the prior art, and being unable to satisfy actually makes
Used time adjusts the high-precision that different air quantity require.
Summary of the invention
Aiming at the problems existing in the prior art, the utility model provides the degree of regulation under a kind of different air quantity requirement
Gamut high-precision volume adjusting apparatus.
The purpose of this utility model is achieved through the following technical solutions.
A kind of gamut high-precision volume adjusting apparatus, including ventilation shaft are installed between the inner wall of the ventilation shaft
There are two volume damper, described two volume dampers are respectively thin volume damper and thick volume damper, are being realized surely
The aperture for determining thin volume damper described in the adjustment process of air quantity increases with the aperture of thick volume damper and is reduced, described thin
The aperture of volume damper reduces with the aperture of thick volume damper and is increased.
Further, the thin volume damper is provided with thin tuning mechanism, and the thick volume damper is provided with coarse adjustment
Save mechanism.
Further, the thin tuning mechanism is electric adjusting mechanism or manual adjustment means, and the coarse adjustment mechanism is
Electric adjusting mechanism or manual adjustment means.
Further, the thin volume damper includes one group of thin tuning valve block, and the thick volume damper includes one group
Coarse adjustment valve block.
Further, the thin tuning mechanism and coarse adjustment mechanism are electric adjusting mechanism, the thin tuning mechanism and thick
Regulating mechanism is connected on linkage controller, and the linkage controller adjusts aperture for first controlling thick volume damper,
For the stabilization for keeping air quantity, the aperture of thin volume damper changes therewith, when the aperture of thin volume damper reaches default adjust
It keeps the aperture of thick volume damper constant after range, then controls thin volume damper and adjust air quantity.
Further, using wind direction as positive direction, thin volume damper and thick volume damper are successively arranged.
Compared with the prior art, utility model has the advantages that the utility model coarse adjustment is combined with thin tuning into
Row is adjusted, and can effectively solve the problem that the overall precision difference that existing ventilation industry air quantity is adjusted, the adaptability that different air quantity ranges are adjusted
Difference, the problem that precision can not be stable in adjustable range.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the prior art.
Fig. 2 is the structural schematic diagram of the utility model.
Fig. 3 is the curve synoptic diagram of different air quantity state lower valve apertures and degree of regulation.
In figure: 1, ventilation shaft 2, thin tuning mechanism 3, linkage controller 4, coarse adjustment mechanism 5, thin tuning valve block
6, coarse adjustment valve block 7, air quantity adjusting mechanism 8, volume damper piece.
Specific embodiment
With reference to the accompanying drawings of the specification and specific embodiment, the utility model is described in detail.
As shown in Figure 1, the existing mode for adjusting valve regulation air quantity (arrow direction is wind direction).Air quantity, which is adjusted, passes through air quantity tune
The aperture ∠ C adjustment intracorporal draught area of valve that mechanism 7 controls volume damper piece 8 is saved, realizes the adjusting of air quantity.Air quantity is adjusted
The regulation performance that the entire air quantity of the degree of regulation relationship of valve is adjusted.
Under the conditions of the prior art, degree of regulation of the volume damper in different operating region is different.Different air quantity
Control requires the operating accuracy range of lower regulating valve itself also different, this is the structural behaviour and distinguished and admirable body by equipment itself
Characteristic determined.
As shown in figure 3, volume damper piece 8 has different degree of regulation, entire air quantity tune in different open ranges
Saving precision is exactly precision of the volume damper in entire adjustable range, this just determines that air quantity adjusting cannot be in its adjustable range
Stable precision is carried out to air quantity to adjust.
The degree of regulation of volume damper is widely different with the difference of aperture, as volume damper control position 0~
When 20% region, the degree of regulation of volume damper is about 30% or so.The control position of volume damper 20%~
When 40% region, the degree of regulation of volume damper is about 20% or so.The control position of volume damper 40%~
When 45% region, the degree of regulation of volume damper is about 10% or so.The control position of volume damper 45%~
When 55% region, the degree of regulation of volume damper is about 5% or so.The control position of volume damper is 55%~60%
Region when, the degree of regulation of volume damper is about 10% or so.The control position of volume damper is 60%~80%
When region, the degree of regulation of volume damper is about 20% or so.Area of the control position of volume damper 80%~100%
When domain, the degree of regulation of volume damper is about 30% or so.(precision has its optimum precision for describing each control equipment
The precision of working region, different zones has larger difference)
As shown in Fig. 2, a kind of gamut high-precision volume adjusting apparatus (arrow direction is wind direction), including ventilation shaft 1,
There are two volume dampers for installation between the inner wall of the ventilation shaft 1, and described two volume dampers are respectively thin air quantity tune
Valve and thick volume damper are saved, in the adjustment process for stablizing air quantity, the aperture of the thin volume damper is adjusted with thick air quantity
The aperture of valve increases and reduces, and the aperture of the thin volume damper reduces with the aperture of thick volume damper and increased.
The thin volume damper is provided with thin tuning mechanism 2, and the thick volume damper is provided with coarse adjustment mechanism 4.
The thin tuning mechanism 2 is electric adjusting mechanism or manual adjustment means, and the coarse adjustment mechanism 4 is motorized adjustment
Mechanism or manual adjustment means.
The thin volume damper includes one group of thin tuning valve block 5, and the thick volume damper includes one group of coarse adjustment valve
Piece 6.Valve block refers to the shelter that air quantity is adjusted, and not only refers only to laminated structure.
The thin tuning mechanism 2 and coarse adjustment mechanism 4 are electric adjusting mechanism, the thin tuning mechanism 2 and coarse adjustment machine
Structure 4 is connected on linkage controller 3, and the linkage controller 3 adjusts aperture, thin wind for first controlling thick volume damper
The aperture of adjustable valve changes therewith, keeps thick volume damper after the aperture of thin volume damper reaches default adjustable range
Aperture it is constant, then control thin volume damper and adjust aperture.
Using wind direction as positive direction, it is successively arranged thin volume damper and thick volume damper.Thin volume damper setting exists
It is to avoid interference of the disorder air-flow to thin volume damper after thick volume damper before thick volume damper.If thickness wind
Air is arranged between adjustable valve stays air turbulence between device or thickness volume damper to be effectively addressed, thick air quantity tune
Section valve also can be set before thin volume damper.
Mode of operation:
The high-precision adjustment region (such as aperture is 30%-40%) of thin tuning mechanism 2 is preset, linkage controller 3 is supervised
The practical aperture of survey or artificial detection thin tuning mechanism 2 presets thin tuning when the practical aperture of thin tuning mechanism 2 is less than
The high-precision adjustment region (such as aperture 20%) of mechanism 2, linkage controller 3 control electric adjusting mechanism or by manually adjusting
The thick volume damper of mechanism controls adjusts aperture, and the aperture of thin volume damper increases with the aperture of thick volume damper and subtracted
Small, the aperture of thin volume damper reduces with the aperture of thick volume damper and is increased, it is ensured that thin tuning mechanism 2 always works in
In the working region that its high-precision is adjusted.Keep the operating position of coarse adjustment mechanism 4 constant at this time.Linkage controller 3 controls electricity
Dynamic regulating mechanism or manual adjustment means open the thin tuning function of thin volume damper, realize air quantity using thin tuning mechanism 2
Precision is adjusted again, and the practical adjustments regional location of linkage controller 3 or artificial acquisition thin tuning mechanism 2 is used as control signal,
The regulatory function for controlling remaining volume damper is adjusted using the linkage of coarse adjustment valve block 6 and thin tuning valve block 5, by thick air quantity
Regulating valve and thin volume damper are combined as a whole to adjust air quantity, realize the present apparatus to air quantity gamut model
The high-precision enclosed is adjusted.
Claims (6)
1. a kind of gamut high-precision volume adjusting apparatus, including ventilation shaft, it is characterised in that the inner wall of the ventilation shaft
Between installation there are two volume damper, described two volume dampers are respectively thin volume damper and thick volume damper,
In the adjustment process for stablizing air quantity, the aperture of the thin volume damper increases with the aperture of thick volume damper and is reduced,
The aperture of the thin volume damper reduces with the aperture of thick volume damper and is increased.
2. a kind of gamut high-precision volume adjusting apparatus according to claim 1, it is characterised in that the thin air quantity tune
Section valve is provided with thin tuning mechanism, and the thick volume damper is provided with coarse adjustment mechanism.
3. a kind of gamut high-precision volume adjusting apparatus according to claim 2, it is characterised in that the thin tuning machine
Structure is electric adjusting mechanism or manual adjustment means, and the coarse adjustment mechanism is electric adjusting mechanism or manual adjustment means.
4. a kind of gamut high-precision volume adjusting apparatus according to claim 1 or 2 or 3, it is characterised in that described thin
Volume damper includes one group of thin tuning valve block, and the thick volume damper includes one group of coarse adjustment valve block.
5. a kind of gamut high-precision volume adjusting apparatus according to claim 3, it is characterised in that the thin tuning machine
Structure and coarse adjustment mechanism are electric adjusting mechanism, and the thin tuning mechanism and coarse adjustment mechanism are connected to linkage controller
On, the linkage controller adjusts aperture for first controlling thick volume damper, and the aperture of thin volume damper changes therewith, when
The aperture of thin volume damper keeps the aperture of thick volume damper constant after reaching default adjustable range, then controls thin air quantity tune
Save valve regulation air quantity.
6. a kind of gamut high-precision volume adjusting apparatus according to claim 1, it is characterised in that with wind direction be pros
To being successively arranged thin volume damper and thick volume damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821152588.2U CN208846633U (en) | 2018-07-19 | 2018-07-19 | A kind of gamut high-precision volume adjusting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821152588.2U CN208846633U (en) | 2018-07-19 | 2018-07-19 | A kind of gamut high-precision volume adjusting apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN208846633U true CN208846633U (en) | 2019-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821152588.2U Active CN208846633U (en) | 2018-07-19 | 2018-07-19 | A kind of gamut high-precision volume adjusting apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731210A (en) * | 2018-07-19 | 2018-11-02 | 南京久诺科技有限公司 | A kind of gamut high-precision volume adjusting apparatus |
| CN110331248A (en) * | 2019-08-09 | 2019-10-15 | 天津燃洁斯工业设备有限公司 | A kind of energy saving regulation method of blast funnace hot blast stove combustion fan |
-
2018
- 2018-07-19 CN CN201821152588.2U patent/CN208846633U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731210A (en) * | 2018-07-19 | 2018-11-02 | 南京久诺科技有限公司 | A kind of gamut high-precision volume adjusting apparatus |
| WO2020015632A1 (en) * | 2018-07-19 | 2020-01-23 | 南京久诺科技有限公司 | Full-range high-precision air volume adjustment device |
| CN108731210B (en) * | 2018-07-19 | 2024-02-27 | 南京久诺科技有限公司 | Full-range high-precision air quantity adjusting device |
| CN110331248A (en) * | 2019-08-09 | 2019-10-15 | 天津燃洁斯工业设备有限公司 | A kind of energy saving regulation method of blast funnace hot blast stove combustion fan |
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