CN218672596U - Air volume control device - Google Patents
Air volume control device Download PDFInfo
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- CN218672596U CN218672596U CN202223323302.1U CN202223323302U CN218672596U CN 218672596 U CN218672596 U CN 218672596U CN 202223323302 U CN202223323302 U CN 202223323302U CN 218672596 U CN218672596 U CN 218672596U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model belongs to the technical field of the air conditioner, a air volume control device is provided, install and cut apart into air inlet section and air-out section with the fresh air pipe on air conditioning system's fresh air pipe, including casing, blast gate, fan, amount of wind measuring apparatu and air volume controller. The air inlet of the shell is connected and communicated with the air inlet section, and the air outlet of the shell is connected and communicated with the air outlet section; the air valve is arranged at the air inlet; the fan is arranged between the air inlet and the air valve; the air volume measuring instrument is used for measuring the air volume in the air inlet section; the air quantity controller is respectively in communication connection with the fan, the air valve and the air quantity measuring instrument, and adjusts the rotating speed of the fan and the opening degree of the air valve according to the air inlet quantity so as to adjust the air outlet quantity of the air outlet section. This amount of wind controlling means completion ward that can relax is normal to the negative pressure, and the negative pressure switches to normal mode, need not to carry out the hole enlargement or increase new fresh air pipeline to current fresh air pipeline, avoids extravagant more resources, simple and practical.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner, concretely relates to air volume control device.
Background
In a room with high air quality safety requirement, such as a negative pressure ward, an air supply pipeline and a special exhaust pipeline are arranged, and other air circulation is avoided. And requires that the air pressure inside the patient room be lower than the air pressure outside the patient room. From the circulation angle of air, just can be outside fresh air through supply air duct inflow ward, the air that is polluted by the patient in the ward just can only flow out through exhaust duct, in time discharges specific place through special passageway, can not leak out to the atmosphere. Therefore, the fresh air demand of the negative pressure ward is 3 times of that of the ordinary ward.
The conventional ordinary ward building basically uniformly conveys fresh air for an air conditioner room, and the fresh air quantity conveyed into each ward by the air conditioner room is constant, so that the total fan power cannot be regulated and controlled when the ordinary ward needs to be changed into a negative pressure ward under a special emergency condition, otherwise, the fresh air quantity of the ordinary ward is increased, and the resource waste is caused while the ordinary ward is unfavorable for patients. Therefore, when changing the ordinary ward into the negative-pressure ward, on the premise of still using the fresh air system of the original air-conditioning room, besides the need of additionally installing the exhaust duct, there are generally two solutions, one is to enlarge the diameter of the fresh air duct connected to the negative-pressure ward, and the other is to add an additional fresh air duct. In the special case of time emergency, the engineering quantity is large, the task is heavy, the manpower and material resources are greatly consumed, and the processing of each pipeline becomes a great trouble when the normal condition is recovered.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve above-mentioned problem and go on, aim at provides an amount of wind controlling means installs on air conditioning system's fresh air pipe, need not to carry out the hole enlargement or increase extra fresh air pipe to the fresh air pipe, on the basis of original fresh air volume, adjusts and controls every negative ward alone through the extra fan that increases and makes its fresh air volume satisfy the demand.
The utility model provides an amount of wind controlling means for install on air conditioning system's fresh air pipe, cut apart into air inlet section and air-out section with the fresh air pipe, have such characteristic, include: the shell is provided with an air inlet and an air outlet, the air inlet is connected and communicated with the air inlet section, and the air outlet is connected and communicated with the air outlet section; the air valve is arranged at the air inlet; the fan is arranged in the shell and is positioned between the air inlet and the air valve; the air volume measuring instrument is used for measuring the air volume in the air inlet section; and the air quantity controller is respectively in communication connection with the fan, the air valve and the air quantity measuring instrument and is used for adjusting the rotating speed of the fan and the opening of the air valve according to the air inlet quantity so as to adjust the air outlet quantity of the air outlet section.
The utility model provides an among the amount of wind controlling means, can also have such characteristic, still include: and measuring the air pipe, wherein one end of the measuring air pipe is communicated with the air inlet section, and the other end of the measuring air pipe is connected with the air volume measuring instrument.
The utility model provides an among the amount of wind controlling means, can also have such characteristic: wherein, the air outlet is a round hole; the air valve is a circular blade and is rotatably connected in the air outlet by taking the diameter of the air valve as a rotating shaft.
The utility model provides an among the amount of wind controlling means, can also have such characteristic: the air volume measuring instrument is a pressure sensor which is used for measuring the pressure in the air inlet section.
The utility model provides an among the amount of wind controlling means, can also have such characteristic, still include: and the remote controller is in communication connection with the controller and is used for controlling the controller to work.
The utility model provides an among the amount of wind controlling means, can also have such characteristic: wherein, the fan is any one of a centrifugal fan, a rotary fan or an axial flow fan.
Action and effect of the utility model
According to the utility model provides an air volume control device installs on air conditioning system's fresh air pipe, cut apart into air inlet section and air-out section with the fresh air pipe, because the import department of air-out section is equipped with the blast gate, be equipped with the fan between air inlet section and the air-out section, the intake in the air inlet section can be measured to the amount of wind measuring apparatu, and air volume controller, thereby can adjust the air output of air-out section according to the rotational speed of intake regulation fan, the aperture of blast gate, consequently, air volume control device can adjust the air output as required. When the fresh air volume of a ward needs to be increased, the fan in the strengthening mode is selected to work, and an additional pipeline does not need to be added or expanded; when the fresh air volume in the ward needs to be recovered to be normal, the normal mode is selected without other operations. Therefore, when the air volume control device is applied to a fresh air pipe of an air conditioning system in a ward, the mode switching from the normal ward to the negative pressure and from the negative pressure to the normal ward can be easily completed. Therefore, the air volume control device does not need to increase or decrease the existing air conditioning unit, does not need to expand the existing fresh air pipeline or add a new fresh air pipeline, avoids wasting more resources, is simple and practical, and has good market application prospect.
Drawings
Fig. 1 is a schematic structural view of an air volume control device installed on a fresh air duct in an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a schematic view of an internal structure of an air volume control device in an embodiment of the present invention; and
fig. 4 is an operation interface schematic diagram of the remote controller in an embodiment of the present invention. Description of the drawings: the air volume measuring device comprises an air volume control device 100, an air inlet section 201, an air outlet section 202, an outer shell 300, a shell 10, an air valve 20, a fan 30, a measuring air pipe 40, an air volume measuring instrument 50 and an air volume controller 60.
Detailed Description
In order to make the utility model realize that the technical means, creation characteristics, achievement purpose and efficiency are easy to understand and understand, the following embodiment and the attached drawings are combined to make specific explanation on the air volume control device.
< example >
The present embodiment specifically explains the structure and the operation process of the air volume control device 100.
Fig. 1 is a schematic structural view of an air volume control device installed on a fresh air duct in an embodiment of the present invention; fig. 2 is a partially enlarged view of fig. 1. Wherein, the arrow direction in the figure is the air flow direction.
As shown in fig. 1 and 2, the air volume control device 100 is installed on a fresh air duct of an air conditioning system, the fresh air duct is divided into an air inlet section 201 and an air outlet section 202, fresh air is blown out from the air conditioning system, enters the air volume control device 100 from the air inlet section 201, and is then sent into a room from the air outlet section 202. The outer case 300 covers the air volume control device 100, and protects the air volume control device 100 and provides a more attractive appearance.
Fig. 3 is a schematic view of an internal structure of the air volume control device in the embodiment of the present invention. Wherein, the arrow direction in the figure is the air flow direction.
As shown in fig. 2 and 3, the air volume control device 100 includes a housing 10, an air valve 20, a blower 30, a measurement air duct 40, an air volume meter 50, an air volume controller 60, and a remote controller.
The casing 10 is in a cube shape, and one side surface is provided with a circular air inlet, and the other opposite side surface is provided with a circular air outlet. The air inlet is connected and communicated with the air inlet section 201, and the air outlet is connected and communicated with the air outlet section 202.
The air valve 20 is a circular blade matched with the air outlet. The air valve 20 is rotatably connected in the air outlet by using the diameter thereof as a rotating shaft and can rotate by using the rotating shaft. When the air valve 20 rotates to the axial direction of the air outlet section 202, the opening degree of the air valve 20 is 100%, and when the air valve 20 rotates to the radial direction of the air outlet section 202, the air outlet is completely blocked by the air valve 20, and the opening degree is 0.
The blower 30 is installed in the housing 10 between the air inlet and the air valve 20. The fan 30 may be a centrifugal fan, a rotary fan, or an axial fan.
The measuring air duct 40 is a pitot tube, one end of the measuring air duct is communicated with the air inlet section 201, and the tail end of the measuring air duct is connected with the air volume measuring instrument 50 (not shown in the figure), so that the air volume measuring instrument 50 can measure the air inlet volume in the air inlet section 201 through the transmission of the pitot tube. In the present embodiment, the air volume measuring instrument 50 is a pressure sensor, and is fixed in the housing 10, and the detecting end thereof blocks the end of the pitot tube. The pressure sensor can measure the pressure in the air inlet section 201, and then the air inlet amount in the air inlet section 201 is obtained according to the cross-sectional area of the air inlet section 201.
The air volume controller 60 is installed on the casing 10, and a chip is arranged in the casing, and the chip stores an air volume calculation formula and an air inlet standard. The air volume controller 60 calculates the air volume in the air intake section 201 according to the air volume calculation formula and the pressure of the pressure sensor. The air volume controller 60 is electrically connected with the fan 30, the air valve 20 and the air volume measuring instrument 50 respectively, and adjusts the rotating speed of the fan 30 and the opening degree of the air valve according to the air intake volume measured by the air volume measuring instrument 50 and through comparison and judgment with the air intake standard, so as to adjust the air output volume of the air outlet section.
The remote controller is located on a wall of a room, and is placed together with lights, air conditioner switches, and the like. The interface of the remote controller has two touch screen type buttons, namely a button in an enhanced mode and a button in a normal mode.
Fig. 4 is an operation interface schematic diagram of the remote controller in an embodiment of the present invention.
As shown in fig. 4, when the ward is in a negative pressure state, more fresh air is needed at this time, the enhanced mode button on the remote controller is pressed, the air volume controller 60 controls the fan 30 to be opened, the air volume is increased, and at this time, the air volume controller 60 controls the opening of the air valve 20 to be in a working state of 100% full opening. And the air volume controller 60 adjusts the rotating speed of the fan 30 according to the intake air volume measured by the air volume measuring instrument 50, and the increase of the air volume of the air outlet section 202 changes accordingly.
When the ward does not need negative pressure and needs to be recovered to normal, the fresh air conveying capacity in the ward needs to be reduced, the normal mode button on the remote controller is pressed at the moment, the air volume controller 60 controls the fan 30 to be closed at the moment, and the opening of the air valve can be adjusted to be 0-100% according to the requirement so as to control the air volume.
Effects and effects of the embodiments
According to the air volume control device provided by the embodiment, the air volume control device is installed on a fresh air pipe of an air conditioning system, the fresh air pipe is divided into an air inlet section and an air outlet section, an air valve is arranged at an inlet of the air outlet section, a fan is arranged between the air inlet section and the air outlet section, the air volume measuring instrument 50 can measure the air inlet volume in the air inlet section, and the air volume controller can adjust the air outlet volume of the air outlet section by adjusting the rotating speed of the fan and the opening degree of the air valve according to the air inlet volume, so that the air volume control device can adjust the air outlet volume according to needs. When the fresh air volume of a ward needs to be increased, the fan in the strengthening mode is selected to work, and an additional pipeline does not need to be added or the diameter of the pipeline does not need to be expanded; when the fresh air volume in the ward needs to be recovered to be normal, the normal mode is selected without other operations. Therefore, when the air volume control device is applied to a fresh air pipe of an air conditioning system in a ward, the mode switching from the normal ward to the negative pressure and from the negative pressure to the normal ward can be easily completed. Therefore, the air volume control device does not need to increase or decrease the existing air conditioning unit, does not need to expand the existing fresh air pipeline or add a new fresh air pipeline, avoids wasting more resources, is simple and practical, and has good market application prospect.
In addition, the presence of the remote controller allows non-professionals to easily accomplish the ward mode switch.
In addition, the air valve is a circular blade, is rotatably connected in the air outlet by taking the diameter of the air valve as a rotating shaft, and is simple in structure and convenient to install.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (6)
1. The utility model provides an amount of wind controlling means for install on air conditioning system's fresh air pipe, will fresh air pipe cuts apart into air inlet section and air-out section, its characterized in that includes:
the shell is provided with an air inlet and an air outlet, the air inlet is connected and communicated with the air inlet section, and the air outlet is connected and communicated with the air outlet section;
the air valve is arranged at the air inlet;
the fan is arranged in the shell and is positioned between the air inlet and the air valve;
the air volume measuring instrument is used for measuring the air volume in the air inlet section;
and the air volume controller is respectively in communication connection with the fan, the air valve and the air volume measuring instrument and is used for adjusting the rotating speed of the fan and the opening of the air valve according to the air inlet volume so as to adjust the air outlet volume of the air outlet section.
2. The air volume control device according to claim 1, characterized by further comprising:
the air duct is measured and,
one end of the measuring air pipe is communicated with the air inlet section, and the other end of the measuring air pipe is connected with the air volume measuring instrument.
3. The air volume control device according to claim 1, characterized in that:
wherein, the air outlet is a round hole;
the air valve is a circular blade, and is rotatably connected in the air outlet by taking the diameter of the air valve as a rotating shaft.
4. The air volume control device according to claim 1, characterized in that:
the air volume measuring instrument is a pressure sensor, and the pressure sensor is used for measuring the pressure in the air inlet section.
5. The air volume control device according to claim 1, characterized by further comprising:
a remote-end controller for controlling the operation of the remote-end controller,
the remote controller is in communication connection with the controller and is used for controlling the controller to work.
6. The air volume control device according to claim 1, characterized in that:
wherein, the fan is any one of a centrifugal fan, a rotary fan or an axial flow fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223323302.1U CN218672596U (en) | 2022-12-12 | 2022-12-12 | Air volume control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223323302.1U CN218672596U (en) | 2022-12-12 | 2022-12-12 | Air volume control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218672596U true CN218672596U (en) | 2023-03-21 |
Family
ID=85550575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223323302.1U Active CN218672596U (en) | 2022-12-12 | 2022-12-12 | Air volume control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218672596U (en) |
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2022
- 2022-12-12 CN CN202223323302.1U patent/CN218672596U/en active Active
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