CN207929744U - Energy-saving interior benefit wind ventilation device - Google Patents
Energy-saving interior benefit wind ventilation device Download PDFInfo
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- CN207929744U CN207929744U CN201721599568.5U CN201721599568U CN207929744U CN 207929744 U CN207929744 U CN 207929744U CN 201721599568 U CN201721599568 U CN 201721599568U CN 207929744 U CN207929744 U CN 207929744U
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Abstract
The utility model provides a kind of energy-saving interior benefit wind ventilation device, including ventilation cabinet and sight glass plate, offers form, wind-supplying mouth and exhaust outlet on the ventilation cabinet, the sight glass plate is movably mounted at the form；While the sight glass plate carries out the first movement so that the opening area of the form increases, the sight glass plate makes the area of the wind-supplying mouth reduce by first movement；While the sight glass plate carries out the second movement so that the opening area of the form reduces, the sight glass plate makes the area of the wind-supplying mouth increase by first movement.The utility model can largely avoid unnecessary discharge, save the fresh air amount of filling into, fundamentally solve the problems, such as energy consumption.
Description
Technical field
The utility model is related to fresh air technical field, more particularly to a kind of energy-saving interior benefit wind ventilation device.
Background technology
Vent cabinet system in the prior art is full air draft wholly fresh air, and all air of discharge are required for by fresh air system
System is supplemented in laboratory, if without fresh air system, can be supplemented from window and doorway.But discharge is through at excess temperature
The air managed, and the processing that the fresh air being supplemented in is also required to carry out the indexs such as temperature humidity just can be with otherwise in laboratory
Humiture will be identical as outdoor.
But the Temperature Treatment of fresh air must use heating the energy or compressor realize, due to vent cabinet discharge rate very
Greatly, then carry out that the energy that Fresh air handing is consumed is just very surprising, and the energy supply system in many laboratories is not perfect, being can not
Offer so mass energy.Mass energy can be consumed for no reason having sufficient energy reserves, increase maintenance cost.
Utility model content
The purpose of this utility model is to provide a kind of energy-saving interior benefit wind ventilation device, big to solve energy consumption in the prior art
The problem of.
In order to solve the above technical problems, the utility model provides a kind of energy-saving interior benefit wind ventilation device, including ventilation
Cabinet and sight glass plate offer form, wind-supplying mouth and exhaust outlet on the ventilation cabinet, and the sight glass plate is actively
At the form；First is carried out in the sight glass plate to move so that the opening area of the form is increased same
When, the sight glass plate makes the area of the wind-supplying mouth reduce by first movement；It is carried out in the sight glass plate
While second movement is so that the opening area of the form reduces, the sight glass plate is made described by first movement
The area of wind-supplying mouth increases.
Preferably, it is additionally provided with deflector in the vent cabinet body.
Preferably, the area equation of the area of the form and the wind-supplying mouth.
Preferably, the wind-supplying mouth is from top to bottom set gradually with the form.
Preferably, when the sight glass plate carries out first movement or second movement, the wind-supplying mouth
The sum of opening area and the opening area of the form remain unchanged.
Preferably, the energy-saving interior benefit wind ventilation device further includes an exhaust blower, and the exhaust blower passes through exhaust duct
It is connect with the exhaust outlet.
Preferably, the wind-supplying mouth extends to the top of the ventilation cabinet taperedly upwards.
Preferably, the exhaust outlet is arranged at the top of the ventilation cabinet.
Preferably, the wind-supplying mouth leads to outdoor by pipeline.
Preferably, the arrival end of the pipeline is provided with filter.
The utility model can largely avoid unnecessary discharge, save the fresh air amount of filling into, fundamentally solve
The problem of energy consumption.
Other than objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.The utility model will be described in further detail below.
Description of the drawings
The Figure of description for constituting the part of the utility model is used to provide a further understanding of the present invention, this
The illustrative embodiments and their description of utility model do not constitute the improper limit to the utility model for explaining the utility model
It is fixed.In the accompanying drawings：
Fig. 1 is the front view of ventilation cabinet；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is schematic diagram when sight glass plate is shown in a fully open operation；
Fig. 4 is schematic diagram when sight glass plate is in half-open position；
Fig. 5 is schematic diagram when sight glass plate is in full-shut position.
Reference numeral in figure：
1, ventilation cabinet；2, sight glass plate；3, form；4, wind-supplying mouth；5, exhaust outlet；6, deflector；7, exhaust blower；8、
Pipeline；9, exhaust duct.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.The utility model is described in detail with reference to embodiment.
In order to make those skilled in the art more fully understand the utility model, the utility model will be implemented below
Technical solution in example is clearly and completely described, it is clear that described embodiment is only the utility model part
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, should all belong to the range of the utility model protection.
Vent cabinet in the prior art has following three kinds of forms：
(1) full supplementary air type is arranged entirely：There are one air exhaust passage, all waste gases to be expelled directly out for vent cabinet, then utilizes new wind turbine
Group carries out benefit wind to entire laboratory, and what is filled into is to be supplemented in the fresh air come and discharge by the processed air of humiture
Fresh air is 1:1. and all fresh airs are required for handling.The greatest problem of such mode is exactly unusual consuming energy, many unnecessary
Efflux time be also required to the air that emission treatment is crossed, then air capacity to be treated increases significantly.
(2) constant face wind speed system：By various sensors and variable air rate valve, keep vent cabinet form opening face wind speed permanent
It is fixed, unnecessary discharge is reduced to a certain extent, is mended wind as conventional system, but since air draft air quantity becomes smaller, is then mended wind
Treating capacity also accordingly become smaller, can largely save the processing energy to fresh air in this way, reach energy-efficient effect.This
The problem of kind of mode maximum is of high cost and electronic component is relatively more, under the such rugged environment of vent cabinet failure rate with
Service life is all undesirable.And affected complexity.
(3) wind vent cabinet is mended in：Interior benefit wind also has many forms to have to supplement from top and by column fill into vent cabinet, also have from
Lower section table top fills into vent cabinet, but same problem is, appellate mode can not all ensure that face wind speed reaches 0.5 meter of national vent cabinet
Face air speed value per second.And mending wind to mend wind is supplemented with wind turbine, air draft and benefit wind linkage thus will appear two and ask
Topic, if will produce safety problem if the face wind speed that cannot reach national regulation.If air draft and mend wind linkage if will appear as
Fruit exhaust fan frequency goes wrong or failure, mends wind wind turbine and is also working, and positive pressure can be formed inside vent cabinet, and generation is excessive,
It is this not allow under any circumstance, there is prodigious security risk.
For this purpose, the utility model provides a kind of energy-saving interior benefit wind ventilation device, including ventilation cabinet 1 and sight glass
Plate 2 offers form 3, wind-supplying mouth 4 and exhaust outlet 5 on the ventilation cabinet 1, and the sight glass plate 2 is movably mounted to institute
It states at form 3；It is described while the sight glass plate 2 carries out the first movement so that the opening area of the form 3 increases
Sight glass plate 2 makes the area of the wind-supplying mouth 4 reduce by first movement；Second is carried out in the sight glass plate 2
While moving so that the opening area of the form 3 reduces, the sight glass plate 2 makes the benefit by first movement
The area in air port 4 increases.
In use, by pulling sight glass plate 2 that can change simultaneously the opening area of wind-supplying mouth 4 and the opening of form 3
Area, to adjust the air force entered from wind-supplying mouth 4 and form 3.In this way, by self structure, the utility model utilizes
Orientation mends the concept of wind, makes that fresh air passes through wind-supplying mouth 4 and form 3 directly fills into inside vent cabinet, makes fresh air in vent cabinet
Poisonous and hazardous gas is taken away in portion's cycle discharge, not only ensure that discharge effect and rate of ventilation, but also reduce and even prevent ventilation
Cabinet excessively sucks Laboratory air, and largely solving vent cabinet, to generate negative pressure to laboratory excessive and fresh air adds to
The influence caused by environment temperature, is suitable for the laboratory of less demanding to vent cabinet Inside Air Temperature in laboratory.Such as
Chemical experiment, organic synthetic experiment, physics smoke evacuation row's taste experiment etc. make vent cabinet substantially reduce the dependence of air-conditioning, greatly
Save energy loss.
As it can be seen that the utility model can largely avoid unnecessary discharge, the fresh air amount of filling into is saved, fundamentally
Solves the problems, such as energy consumption.By the utility model, experimenter can arbitrarily switch the form of vent cabinet and be adjusted to reach
Row mend air quantity ratio variation purpose, can by vent cabinet for laboratory internal exhaust air rate from zero to maximum value directly with
Meaning is adjusted, without any sensor etc..
Due to not applicable frequency conversion, exhaust air rate remains very big in vent cabinet, this in vent cabinet just to having poison gas
Bulk concentration is up to standard guaranteed, this system is to be saved by realizing energy saving by other benefit wind modes by reducing exhaust air rate
Energy.
Preferably, the wind-supplying mouth 4 extends to the top of the ventilation cabinet 1 taperedly upwards.Preferably, the ventilation
Deflector 6 is additionally provided in cabinet 1.It is filled into above vent cabinet in this way, mending wind, it, can using the setting of vent cabinet inner deflector
To accomplish not only to be discharged but also do not generate cutout comprehensively, the adjusting of air quantity is all adjusted by vent cabinet form, therefore can ensure to be discharged
Rate, and can ensure that face wind speed is higher than national standard level at any time.
Preferably, the area equation of the area of the form 3 and the wind-supplying mouth 4.The area of vent cabinet form opening face
It is identical with wind-supplying mouth holding, it can just ensure that the air velocity for filling into air is at least identical as the face wind speed of form opening face in this way,
Otherwise the air current composition inside high-speed flow impact vent cabinet is had, is formed excessive.Preferably, the wind-supplying mouth 4 is regarded with described
Window 3 is from top to bottom set gradually.
Preferably, when the sight glass plate 2 carries out first movement or second movement, the wind-supplying mouth 4
The sum of opening area and the opening area of the form 3 remain unchanged.The size of glass vision panel is identical as air draft open area,
When pulling up and down, the area of blocking implements variation, but its gross area is constant, therefore can be obtained at any time in vent cabinet maximum
Exhaust air rate does not form the pernicious gas of high concentration to ensure that gas is quickly discharged.Reach national standard for pernicious gas in vent cabinet
The requirement of concentration.
Preferably, the energy-saving interior benefit wind ventilation device further includes an exhaust blower 7, and the exhaust blower 7 passes through air draft
Pipe 9 is connect with the exhaust outlet 5.For example, exhaust blower 7 is the centrifugal fan of high wind pressure, vent cabinet inside is generated a large amount of
Negative pressure, toxic and harmful gas is discharged, it is channel design to mend wind part, is extracted to secondary air channel road using the negative pressure of air draft,
Outdoor fresh air is directly sucked in inside vent cabinet, the toxic and harmful gas in vent cabinet is directly taken away, and mends air quantity then
It is to be controlled by the gate valve that form is formed.In this way, it is only a centrifugal fan that institute is dynamic in the utility model, do not appoint
What sensor, controller, frequency converter, and wind turbine is anti-corrosion explosion-proof fan, therefore system principle is simple, it is easy to operate, say failure
Probability falls below minimum.It is lower by 90% than constant face wind speed mode failure rate.
This wind turbine is responsible for providing the power of vent cabinet negative pressure, and in one embodiment, all processes of vent cabinet will expend
150pa pressure, therefore this fan pressure at least should be 500pa or more, because to consider connect other vent cabinets and benefit wind mistake
The pressure loss of filter.The exhaust air rate of wind turbine can make to form negative pressure inside vent cabinet, this negative pressure can both be inhaled from the form of unlatching
Air can also be sucked from wind-supplying mouth in wind is mended by walking air.And form and wind-supplying mouth are adjusted to vent cabinet sight glass, use
When pulling down sight glass on person, form opening face and internal air port will accordingly change area, the area of vent cabinet form
It can change from zero to maximum, on the contrary, the area in internal air port can be also changed from being up to zero.The position specifically changed
Adjusted at any time by user, and it is simple and practicable it goes without doing other operation and control.
Preferably, the wind-supplying mouth 4 leads to outdoor by pipeline 8.In this way, secondary air channel road is kept away as possible above vent cabinet
Exempt from pipeline turning or reduce size, these designs all ensure that air-makeup system is preferably minimized the wind resistance of whole system, avoid
The link for mending wind wind turbine positive pressure benefit wind into vent cabinet must be used by forming other modes, and therefore, this vent cabinet system row mends wind
With all negative pressure in cabinet, even if pipeline has leakage, toxic gas will not be excessive.
Preferably, the exhaust outlet 5 is arranged at the top of the ventilation cabinet 1.Preferably, the arrival end of the pipeline 8
It is provided with filter.Vent cabinet wind-supplying mouth is led to outdoor with pipeline, installs medium effeciency filter additional, ensures the air for filling into vent cabinet
Relative clean.And secondary air channel road elbow reduces to the greatest extent, to reduce windage.
The utility model use process is as follows：
(1) user of service opens exhaust switch, and the full rotating speed of wind turbine is supplied to every 1500 cubic metres of vent cabinet hourly
Air quantity ensures that vent cabinet face wind speed when being all turned on is 0.5 meter at least per second, and the ventilation time per hour inside vent cabinet
Number reaches 100 times or more, ensures low concentration.
(2) the experimental content adjustment glass vision panel of user of service opens form, then when needing to operate
Wind-supplying mouth is blocked, and all air quantity are embodied at vent cabinet form, ensures the face wind speed protection user for having enough.
(3) form is then pulled down into half when user of service's face needs protection, then the half of all air quantity will be from this time
It is sucked at user of service, protection user of service's safety, and the other half is then drawn into from the wind-supplying mouth of top inside vent cabinet, takes away
Pernicious gas is discharged from exhaust outlet, and the energy saving of vent cabinet is 50% at this time.
(4) and after the completion of operation, when needing sustained response, experimenter all pulls down form.At this point, there is glass in front
Glass is protected, and user of service is safe, but needs largely to take a breath in vent cabinet, then the wind-supplying mouth that system can be vacated from top is inhaled
Enter gas, ensures that pernicious gas is discharged in time in vent cabinet.Vent cabinet does not need additional fresh air system and is maintained at this time,
Soakage to laboratory internal is zero.Energy saving is 100%.
Three kinds of basic use patterns of above three parts vent cabinet system thus, pattern among these can be by degree
It is energy saving.
The utility model has following features：
(1) air draft mends wind whole process and a Fans is used only, and only uses exhaust fan and carries out negative pressure sucking to mending wind, avoids
The phenomenon that mending influence of the wind wind turbine positive pressure to vent cabinet internal gas flow, positive pressure will not being caused to overflow.
(2) no matter this vent cabinet will not make face wind speed less than 0.5 meter per second of national standard under any use premise
Limitation, carries out energy saving under the premise of fully ensuring that user of service's safety.
(3) this vent cabinet is limited using wind cabinet adjusting glass door as valve and the relative scale of wind is mended by the row of adjusting, is made
It is very simple with personnel's operation, without training, and it not will produce wind speed too fast the case where causing sinuous flow in vent cabinet.
(4) this vent cabinet system wind-supplying mouth above, and mends identical with the air inlet size of wind area, passes through form and divulges information
Cabinet air inlet completes the state of overall balance of conditioning each other, and avoids air quantity not enough or sinuous flow generates.
Compared with prior art, the utility model has the following advantages that：
(1) existing interior benefit wind vent cabinet generally carries out benefit wind from column and table top, but such mode has very big disadvantage,
Mending air quantity first can not be adjusted, and no matter how form is opened, and air quantity is not all fixed, can not thus ensure that face wind speed remains
Near national standard range.
(2) existing vent cabinet is usually using an air draft and a benefit wind wind turbine, but if many vent cabinets are connected on
Together, it will result in air draft and mend the unbalanced of air quantity, some vent cabinet will result in positive pressure spilling, this is absolute
Do not allow.
(3) if it is energy saving using the progress of constant face wind speed, it is high corrosion ring inside vent cabinet there will be many sensors
Border, electronic component are far from suitable, and if ejecting energy saving with reducing, harmful gas concentration inside vent cabinet can be made to increase
Add, the environment in vent cabinet is made to become dangerous.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of energy-saving interior benefit wind ventilation device, which is characterized in that described including ventilation cabinet (1) and sight glass plate (2)
Form (3), wind-supplying mouth (4) and exhaust outlet (5) are offered on ventilation cabinet (1), the sight glass plate (2) is movably mounted to
At the form (3)；
It is described to regard while the sight glass plate (2) carries out the first movement so that the opening area of the form (3) increases
Glass pane plate (2) makes the area of the wind-supplying mouth (4) reduce by first movement；
It is described to regard while the sight glass plate (2) carries out the second movement so that the opening area of the form (3) reduces
Glass pane plate (2) makes the area of the wind-supplying mouth (4) increase by first movement.
2. energy-saving interior benefit wind ventilation device according to claim 1, which is characterized in that in the ventilation cabinet (1) also
It is provided with deflector (6).
3. energy-saving interior benefit wind ventilation device according to claim 1, which is characterized in that the area of the form (3) with
The area equation of the wind-supplying mouth (4).
4. energy-saving interior benefit wind ventilation device according to claim 1, which is characterized in that the wind-supplying mouth (4) with it is described
Form (3) is from top to bottom set gradually.
5. energy-saving interior benefit wind ventilation device according to claim 1, which is characterized in that when the sight glass plate (2)
When carrying out first movement or second movement, the opening face of the opening area and the form (3) of the wind-supplying mouth (4)
The sum of product remains unchanged.
6. energy-saving interior benefit wind ventilation device according to claim 1, which is characterized in that the energy-saving interior benefit wind ventilation
Device further includes an exhaust blower (7), and the exhaust blower (7) is connect by exhaust duct (9) with the exhaust outlet (5).
7. energy-saving interior benefit wind ventilation device according to claim 1, which is characterized in that the wind-supplying mouth (4) is upward gradually
Extend to contracting the top of the ventilation cabinet (1).
8. energy-saving interior benefit wind ventilation device according to claim 1, which is characterized in that exhaust outlet (5) setting exists
The top of the ventilation cabinet (1).
9. energy-saving interior benefit wind ventilation device according to claim 7, which is characterized in that the wind-supplying mouth (4) passes through pipe
Road (8) leads to outdoor.
10. energy-saving interior benefit wind ventilation device according to claim 9, which is characterized in that the arrival end of the pipeline (8)
It is provided with filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721599568.5U CN207929744U (en) | 2017-11-24 | 2017-11-24 | Energy-saving interior benefit wind ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721599568.5U CN207929744U (en) | 2017-11-24 | 2017-11-24 | Energy-saving interior benefit wind ventilation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207929744U true CN207929744U (en) | 2018-10-02 |
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ID=63644685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721599568.5U Active CN207929744U (en) | 2017-11-24 | 2017-11-24 | Energy-saving interior benefit wind ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207929744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107755396A (en) * | 2017-11-24 | 2018-03-06 | 国丰 | Energy-saving interior benefit wind ventilation unit |
-
2017
- 2017-11-24 CN CN201721599568.5U patent/CN207929744U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107755396A (en) * | 2017-11-24 | 2018-03-06 | 国丰 | Energy-saving interior benefit wind ventilation unit |
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