CN107504622B - Not chummery positive pressure value control method, device, system and equipment unit - Google Patents
Not chummery positive pressure value control method, device, system and equipment unit Download PDFInfo
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- CN107504622B CN107504622B CN201710556912.0A CN201710556912A CN107504622B CN 107504622 B CN107504622 B CN 107504622B CN 201710556912 A CN201710556912 A CN 201710556912A CN 107504622 B CN107504622 B CN 107504622B
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Abstract
The present invention discloses a kind of not chummery positive pressure value control method, device, system and equipment unit.Wherein, this method comprises: receiving the instruction of adjustment positive pressure value, each room positive pressure value to be adjusted is confirmed according to described instruction；Compare the positive pressure value and the original positive pressure value in room, the on or off of the air draft air-valve in the room is accordingly controlled according to comparison result.Through the invention, increase the manual control panel of the indoor room control mode mutually compatible with automatic control system, realize that automatic, manual switching control adjusts the positive pressure value of not chummery, it does not need to temporarily change room according to different demands, realize over-pressure control and the adjustment of later period room in multiple rooms, period cost after reduction.
Description
Technical field
The present invention relates to machine set technology field, in particular to a kind of not chummery positive pressure value control method, device,
System and equipment unit.
Background technique
Common combinations formula air-conditioner set only provides certain air quantity, does not have the function of positive pressure value needed for distributing not chummery
Can, it can not flexibly change room positive pressure value, there are room functions immobilizations, the problem of cannot flexibly transferring.
The shortcomings that above-mentioned common combinations formula air-conditioner set, mainly has:
1) the positive pressure value of not chummery cannot be provided, or even room functions use cannot be changed；
2) it is unable to manual switching forced draft function；
3) dust in air, the pollutants such as bacterium, it is possible to create secondary pollution cannot be completely cut off.
For the problem that equipment unit function immobilization in the prior art, each room positive pressure cannot be flexibly transferred, at present
Not yet put forward effective solutions.
Summary of the invention
A kind of not chummery positive pressure value control method, device, system and equipment unit are provided in the embodiment of the present invention, with solution
Certainly equipment unit function immobilization in the prior art, the problem of cannot flexibly transferring each room positive pressure.
In order to solve the above technical problems, the present invention provides a kind of not chummery positive pressure value control methods, wherein this method
Include: the instruction for receiving adjustment positive pressure value, each room positive pressure value to be adjusted is confirmed according to described instruction；Compare the positive pressure
Value and the original positive pressure value in room, the on or off of the air draft air-valve in the room is accordingly controlled according to comparison result.
Further, the on or off of the air draft air-valve in the room is accordingly controlled according to comparison result, comprising: if it is described just
The original positive pressure value in pressure value >=room, then the air draft air-valve for controlling the room continue to remain off；Wherein, unit starting
When air-supply air-valve open, air draft air-valve close；If the original positive pressure value in room, controls the room described in the positive pressure value <
Air draft air-valve is opened.
Further, control air draft air-valve continues after remaining off, the method also includes: if current positive pressure
Value does not rise to the positive pressure value also, then the aperture for controlling air-supply air-valve becomes smaller, and the wind speed of control air-supply air-valve improves.
Further, the positive pressure value differs bigger with the original positive pressure value in the room, and the aperture of the air draft air-valve is got over
Greatly.
Further, after the on or off of air draft air-valve that the room is accordingly controlled according to comparison result, the method is also
It include: to be adjusted according to default adjustment algorithm to the current positive pressure value in room.
Further, it is adjusted according to current positive pressure value of the default adjustment algorithm to room, comprising: according to default adjustment
Algorithm determines the positive pressure inleakage in room；The benefit air quantity of the air inlet air-valve in room is adjusted according to the positive pressure inleakage.
Further, the default adjustment algorithm includes following formula: L=0.827*A* Δ P/b*1.25；Wherein, L is
Positive pressure inleakage, 0.827 is air leakage coefficient, and A is the gross area that effectively leaks out, and △ P is indoor positive pressure value, and b is index, and 1.25 be not
Tight place's additional coefficient；The benefit air quantity is at least more than the positive pressure inleakage.
Further, the method also includes: receive adjustment room functions instruction；Wherein, described instruction instruction will just
Pressure function room is adjusted to normal room；The air-supply air-valve and air draft air-valve in room are controlled according to described instruction, it is default to meet
Cooling capacity and default fresh air volume；Wherein, the default cooling capacity and default fresh air volume are used for normal room.
The present invention also provides a kind of not chummery positive pressure value control devices, wherein the device includes: confirmation module, is used
In the instruction for receiving adjustment positive pressure value, each room positive pressure value to be adjusted is confirmed according to described instruction；Control module, for than
The positive pressure value and the original positive pressure value in room, the on or off of the air draft air-valve in the room is accordingly controlled according to comparison result.
Further, the control module includes: first control unit, for original in the positive pressure value >=room
When positive pressure value, the air draft air-valve for controlling the room continues to remain off；Wherein, air-valve of blowing when unit starting is opened, row
Wind air-valve is closed；Second control unit controls the row in the room when for the original positive pressure value in the room described in the positive pressure value <
Wind air-valve is opened.
Further, first control unit is also used to after control air draft air-valve continues to remain off, if worked as
Preceding positive pressure value does not rise to the positive pressure value also, then the aperture for controlling air-supply air-valve becomes smaller, and the wind speed of control air-supply air-valve improves.
Further, described device further include: adjustment module, for the current positive pressure according to default adjustment algorithm to room
Value is adjusted.
Further, the adjustment module, specifically for determining the positive pressure inleakage in room according to default adjustment algorithm；Root
According to the benefit air quantity of the air inlet air-valve in positive pressure inleakage adjustment room.
Further, the default adjustment algorithm includes following formula: L=0.827*A* Δ P/b*1.25；Wherein, L is
Positive pressure inleakage, 0.827 is air leakage coefficient, and A is the gross area that effectively leaks out, and △ P is indoor positive pressure value, and b is index, and 1.25 be not
Tight place's additional coefficient；The benefit air quantity is at least more than the positive pressure inleakage.
Further, described device further include: room functions adjust module, for receiving the instruction of adjustment room functions；
Wherein, positive-pressure function room is adjusted to normal room by described instruction instruction；The air-supply air-valve in room is controlled according to described instruction
With air draft air-valve, cooling capacity and default fresh air volume are preset to meet；Wherein, the default cooling capacity and default fresh air volume are used for common room
Between.
The present invention also provides a kind of not chummery positive pressure value control methods, wherein this method comprises: monitoring each room
Indoor positive pressure value；Compare the indoor positive pressure value and default positive pressure value, the row in each room is accordingly controlled according to comparison result
The on or off of wind air-valve.
Further, the indoor positive pressure value in each room is monitored, comprising: pass through the pressure sensor monitoring room in each room
Interior positive pressure value.
Further, the on or off of the air draft air-valve in each room is accordingly controlled according to comparison result, comprising: if described
Positive pressure value is preset described in indoor positive pressure value >, then controls air draft air-valve opening；If the indoor positive pressure value≤described is default just
Pressure value then controls air draft air-valve and continues to remain off；Wherein, air-valve of blowing when unit starting is opened, and air draft air-valve is closed.
Further, after control air draft air-valve is opened, the method also includes: continue to monitor indoor positive pressure value；If
It monitors that indoor positive pressure value maintains and reaches preset duration in pre-set pressure range, then close the air draft air-valve；Wherein, described
Pre-set pressure range is [the default positive pressure value-setting value, the default positive pressure value+setting value].
The present invention also provides a kind of not chummery positive pressure value control devices, wherein the device includes: monitoring modular, is used
In the indoor positive pressure value for monitoring each room；Control module, for the indoor positive pressure value and default positive pressure value, according to than
The on or off of the air draft air-valve in each room is accordingly controlled compared with result.
Further, the control module includes: first control unit, for presetting described in the indoor positive pressure value >
In the case where positive pressure value, control air draft air-valve is opened；Second control unit, for default just in the indoor positive pressure value≤described
In the case where pressure value, control air draft air-valve continues to remain off；Wherein, air-valve of blowing when unit starting is opened, air draft wind
Valve is closed.
Further, the first control unit is also used to after control air draft air-valve is opened, and it is indoor just to continue monitoring
Pressure value；If monitoring that indoor positive pressure value maintains reaches preset duration in pre-set pressure range, the air draft air-valve is closed；
Wherein, the pre-set pressure range is [the default positive pressure value-setting value, the default positive pressure value+setting value].
The present invention also provides a kind of not chummery positive pressure value control systems, wherein the system includes: to be set to each room
Between pressure sensor, air-supply air-valve, air draft air-valve, and, controller；The pressure sensor monitors the room in each room
Interior positive pressure value；Controller accordingly controls each room according to comparison result for the indoor positive pressure value and default positive pressure value
Between air draft air-valve on or off；Wherein, the air-supply air-valve is opened when unit starting, and the air draft air-valve is closed.
Further, the system also includes interactive panels, for receiving the instruction of adjustment positive pressure value, by described instruction
It is sent to the controller；The controller compares institute for confirming each room positive pressure value to be adjusted according to described instruction
Positive pressure value and the original positive pressure value in room are stated, the on or off of the air draft air-valve in the room is accordingly controlled according to comparison result.
The present invention also provides a kind of equipment units, wherein the equipment unit includes: above-mentioned not chummery positive pressure value control
Device processed, and/or, above-mentioned not chummery positive pressure value control device.
It applies the technical scheme of the present invention, it is mutually simultaneous by the manual control panel and automatic control system that increase indoor room
The control mode of appearance is realized that automatic, manual switching control adjusts the positive pressure value of not chummery, is not needed interim according to different demands
Room is replaced, realizes over-pressure control and the adjustment of later period room in multiple rooms, period cost after reduction.
Detailed description of the invention
Fig. 1 is the flow chart of not chummery positive pressure value autocontrol method according to an embodiment of the present invention；
Fig. 2 is the flow chart of not chummery positive pressure value hand operated control method according to an embodiment of the present invention；
Fig. 3 is the structural block diagram of not chummery positive pressure value automatic control device according to an embodiment of the present invention；
Fig. 4 is the structural block diagram of not chummery positive pressure value manual overvide according to an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of not chummery positive pressure value control system according to an embodiment of the present invention.
Specific embodiment
Present invention is further described in detail in the following with reference to the drawings and specific embodiments, but not as to limit of the invention
It is fixed.
Embodiment one
The embodiment of the present invention is mutually compatible with automatic control system by the manual control panel of indoor room, thus realization pair
The control and adjustment of multiple room positive pressure values.Automatic control scheme is introduced separately below and manually controls scheme.
One, automatic control scheme
Fig. 1 is the flow chart of not chummery positive pressure value autocontrol method according to an embodiment of the present invention, as shown in Figure 1,
Method includes the following steps:
Step S101 monitors the indoor positive pressure value in each room；
Step S102 compares indoor positive pressure value and default positive pressure value, the row in each room is accordingly controlled according to comparison result
The on or off of wind air-valve.
Through this embodiment, the automatic control and adjustment for realizing not chummery positive pressure value do not need interim again according to demand
Room is replaced, realizes over-pressure control and the adjustment of later period room in multiple rooms, period cost after reduction.
In the present embodiment, the pressure sensor monitoring indoor positive pressure value in each room can be passed through.It can also be passed through
His mode monitors indoor positive pressure value, no matter which kind of mode is used, if can accurate measurements to indoor positive pressure value.
After monitoring indoor positive pressure value, indoor positive pressure value is compared with default positive pressure value, which is
It is the positive pressure value of each room preset in advance according to the demand in each room.
If indoor positive pressure value > presets positive pressure value, air draft air-valve opening is controlled, later, continues to monitor indoor positive pressure
Value, if monitoring that indoor positive pressure value maintains reaches preset duration in pre-set pressure range, closes air draft air-valve；Wherein,
Pre-set pressure range is [default positive pressure value-setting value, preset positive pressure value+setting value].That is, in control air draft air-valve
After opening, if monitoring that indoor positive pressure value stabilization reaches preset duration near default positive pressure value, interior can be determined
Positive pressure value is stablized, and close to default positive pressure value, then closes air draft air-valve.Above-mentioned setting value is lesser numerical value, it is intended to prominent pre-
If pressure limit is the numberical range centered on presetting positive pressure value.
If indoor positive pressure value≤default positive pressure value, controls air draft air-valve and continues to remain off；Wherein, unit opens
Air-supply air-valve is opened when dynamic, and air draft air-valve is closed.
Based on this, air draft air-valve is accordingly controlled according to indoor positive pressure value, so that the close default positive pressure value of indoor positive pressure value,
Achieve the effect that automatically control each room positive pressure, does not need to temporarily change room according to demand, it is easy to operate.
Two, scheme is manually controlled
Fig. 2 is the flow chart of not chummery positive pressure value hand operated control method according to an embodiment of the present invention, as shown in Fig. 2,
Method includes the following steps:
Step S201 receives the instruction of the adjustment positive pressure value of user, according to each room of the confirmation command positive pressure to be adjusted
Value；
Step S202 compares positive pressure value and the original positive pressure value in room, the air draft in the room is accordingly controlled according to comparison result
The on or off of air-valve.
Through this embodiment, it realizes that chummery positive pressure value not manually controlling and adjusts, does not need interim again according to demand
Room is replaced, realizes over-pressure control and the adjustment of later period room in multiple rooms, period cost after reduction.
After the positive pressure value in the confirmation user each room to be adjusted, the positive pressure value and original positive pressure in more each room
Value, if the original positive pressure value in positive pressure value >=room, the air draft air-valve for controlling the room continue to remain off；Herein it
Afterwards, if current positive pressure value does not rise to positive pressure value also, the aperture for controlling air-supply air-valve becomes smaller, the wind speed of control air-supply air-valve
It improves；Wherein, air-valve of blowing when unit starting is opened, and air draft air-valve is closed；
If the original positive pressure value in the room positive pressure value <, the air draft air-valve for controlling the room is opened.Positive pressure value and room are former
Beginning positive pressure value difference is bigger, then the aperture of air draft air-valve is bigger, is conducive to as soon as possible drop to the current positive pressure value in room above-mentioned
The positive pressure value to be adjusted improves positive pressure value regulated efficiency.
Based on this, air draft air-valve is accordingly controlled according to the positive pressure value to be adjusted, is intended to so that the current positive pressure value in room is close
The positive pressure value of adjustment achievees the effect that manually control each room positive pressure, does not need to temporarily change room according to demand, operates letter
It is single.
After manually controlling the positive pressure value in each room, it is contemplated that room door and window leaks out situation, it is also necessary to positive pressure value
It is finely adjusted, it can be adjusted according to current positive pressure value of the default adjustment algorithm to room: firstly, being calculated according to default adjustment
Method determines the positive pressure inleakage in room；Then, the benefit air quantity of the air inlet air-valve in room is adjusted according to positive pressure inleakage.
Above-mentioned default adjustment algorithm includes following formula: L=0.827*A* Δ P/b*1.25；Wherein, L is that positive pressure is leaked out
Amount, 0.827 is air leakage coefficient, and A is the gross area that effectively leaks out, and △ P is indoor positive pressure value, b be index (under normal circumstances, for
Crack between a door and its frame and the larger area that leaks out, then b takes 2,1.6) window seam b is taken, 1.25 be additional coefficient at imprecision.According to above-mentioned formula
Positive pressure inleakage can be calculated, air quantity is mended at least more than positive pressure inleakage, realizes to the fine tuning of the positive pressure value in room, make positive pressure
Value is more accurate, is more in line with room requirement.
In addition, the present embodiment can also realize the adjustment of room functions, i.e., pressurized room is adjusted to normal room, for
This present embodiments provides a kind of preferred embodiment, i.e., if receiving the instruction of the adjustment room functions of user；Wherein, refer to
Enable instruction that positive-pressure function room is adjusted to normal room；The air-supply air-valve and air draft air-valve in room are then controlled according to instruction, with
Meet default cooling capacity and default fresh air volume；Wherein, it presets cooling capacity and default fresh air volume is used for normal room.
Embodiment two
Corresponding to the not chummery positive pressure value autocontrol method of Fig. 1 introduction, a kind of not chummery is present embodiments provided
Positive pressure value automatic control device, the structural block diagram of not chummery positive pressure value automatic control device as shown in Figure 3, the device packet
It includes:
Monitoring modular 10, for monitoring the indoor positive pressure value in each room；
Control module 12 is connected to monitoring modular 10, for comparing indoor positive pressure value and default positive pressure value, ties according to comparing
Fruit accordingly controls the on or off of the air draft air-valve in each room.
Through this embodiment, the automatic control and adjustment for realizing not chummery positive pressure value do not need interim again according to demand
Room is replaced, realizes over-pressure control and the adjustment of later period room in multiple rooms, period cost after reduction.
In the present embodiment, monitoring modular 10 can pass through the pressure sensor monitoring indoor positive pressure value in each room.?
Can monitor indoor positive pressure value by other means, no matter which kind of mode be used, if can accurate measurements to indoor positive pressure value
?.
The above-mentioned control module 12 of the present embodiment may include:
First control unit, in the case where presetting positive pressure value for positive pressure value > indoors, control air draft air-valve is opened；Also
For continuing to monitor indoor positive pressure value after control air draft air-valve is opened；If it is default to monitor that indoor positive pressure value maintains
Reach preset duration in pressure limit, then closes air draft air-valve；Wherein, pre-set pressure range be [default positive pressure value-setting value,
Default positive pressure value+setting value].
Second control unit controls air draft air-valve after continuation of insurance in the case where being used for positive pressure value≤default positive pressure value indoors
Hold closed state；Wherein, air-valve of blowing when unit starting is opened, and air draft air-valve is closed.
Based on this, air draft air-valve is accordingly controlled according to indoor positive pressure value, so that the close default positive pressure value of indoor positive pressure value,
Achieve the effect that automatically control each room positive pressure, does not need to temporarily change room according to demand, it is easy to operate.
Corresponding to the not chummery positive pressure value hand operated control method of Fig. 2 introduction, a kind of not chummery is present embodiments provided
Positive pressure value manual overvide, the structural block diagram of not chummery positive pressure value manual overvide as shown in Figure 4, the device packet
It includes:
Confirmation module 20, the instruction of the adjustment positive pressure value for receiving user, is intended to adjust according to each room of confirmation command
Positive pressure value；
Control module 22 accordingly controls the room according to comparison result for comparing positive pressure value and the original positive pressure value in room
Air draft air-valve on or off.
Through this embodiment, it realizes that chummery positive pressure value not manually controlling and adjusts, does not need interim again according to demand
Room is replaced, realizes over-pressure control and the adjustment of later period room in multiple rooms, period cost after reduction.
In this embodiment, it is preferred that above-mentioned control module 22 may include:
First control unit, the air draft air-valve in the original positive pressure value in positive pressure value >=room, controlling the room continue
It remains off；Wherein, air-valve of blowing when unit starting is opened, and air draft air-valve is closed；Be also used to control air draft air-valve after
Continue after remaining off, if current positive pressure value does not rise to positive pressure value also, the aperture for controlling air-supply air-valve becomes smaller, and controls
The wind speed of system air-supply air-valve improves；
Second control unit, the air draft air-valve in the original positive pressure value in the room positive pressure value <, controlling the room are opened.
Based on this, air draft air-valve is accordingly controlled according to the positive pressure value to be adjusted, is intended to so that the current positive pressure value in room is close
The positive pressure value of adjustment achievees the effect that manually control each room positive pressure, does not need to temporarily change room according to demand, operates letter
It is single.
After manually controlling the positive pressure value in each room, it is contemplated that room door and window leaks out situation, it is also necessary to positive pressure value
Be finely adjusted, therefore, above-mentioned apparatus can also include: adjustment module, for according to preset adjustment algorithm to room it is current just
Pressure value is adjusted, specifically for determining the positive pressure inleakage in room according to default adjustment algorithm；It is adjusted according to positive pressure inleakage
The benefit air quantity of the air inlet air-valve in room.
Above-mentioned default adjustment algorithm includes following formula: L=0.827*A* Δ P/b*1.25；Wherein, L is that positive pressure is leaked out
Amount, 0.827 is air leakage coefficient, and A is the gross area that effectively leaks out, and △ P is indoor positive pressure value, b be index (under normal circumstances, for
Crack between a door and its frame and the larger area that leaks out, then b takes 2,1.6) window seam b is taken, 1.25 be additional coefficient at imprecision.According to above-mentioned formula
Positive pressure inleakage can be calculated, air quantity is mended at least more than positive pressure inleakage, realizes to the fine tuning of the positive pressure value in room, make positive pressure
Value is more accurate, is more in line with room requirement.
Preferably, above-mentioned apparatus can also realize the adjustment of room functions, i.e., pressurized room is adjusted to normal room, needle
A kind of preferred embodiment is present embodiments provided to this, i.e. above-mentioned apparatus may include: room functions adjustment module, for connecing
Receive the instruction of the adjustment room functions of user；Wherein, positive-pressure function room is adjusted to normal room by instruction instruction；According to instruction
The air-supply air-valve and air draft air-valve in room are controlled, to meet default cooling capacity and default fresh air volume；Wherein, it presets cooling capacity and presets new
Air quantity is used for normal room.
The present embodiment additionally provides a kind of equipment unit, the equipment unit include: not chummery positive pressure value shown in Fig. 3 from
Dynamic control device, and/or, not chummery positive pressure value manual overvide shown in Fig. 4.The equipment unit may be implemented it is automatic,
Manual switching control adjusts the positive pressure value of not chummery, does not need to temporarily change room according to different demands, realizes multiple rooms
Over-pressure control and later period room adjustment, period cost after reduction.
Embodiment three
Fig. 5 is the structural schematic diagram of not chummery positive pressure value control system according to an embodiment of the present invention, as shown in figure 5,
The system includes: the pressure sensor for being set to each room, air-supply air-valve (powered supplied air air-valve S), air draft air-valve (electronic row
Wind air-valve P), and, controller；Wherein, pressure sensor monitors the indoor positive pressure value in each room；Controller, for comparing
Indoor positive pressure value and default positive pressure value, the on or off of the air draft air-valve in each room is accordingly controlled according to comparison result；Wherein, machine
Air-supply air-valve and air draft air-valve are closed states when group starting.Based on this, it can be achieved that the automatic of the positive pressure value of not chummery
Control and adjustment.Illustrated for being provided with pressure sensor and interactive panel in each room in Fig. 5.
In order to realize manually controlling and adjusting to the positive pressure value of not chummery, above system can also include: interaction face
Plate (alternatively referred to as manual control panel), the instruction of the adjustment positive pressure value for receiving user, sends instructions to controller；Control
Device processed compares positive pressure value and the original positive pressure value in room for the positive pressure value to be adjusted according to each room of confirmation command, according to than
The on or off of the air draft air-valve in the room is accordingly controlled compared with result.
In the present embodiment, above controller specifically can be DDC controller (Direct Digital Control, directly
It connects digital control).Interactive panel can be the display panel DIS system that manually controls (Digital Information System,
Digital information system).
The automatic control scheme of not chummery positive pressure value control system is exemplified below.Assuming that a room needs to meet
The requirement of+25PA forced draft, air-supply air-valve is opened when unit starting, and air draft air-valve is closed, and the pressure sensor in room starts
Work.
If the current positive pressure value in room is greater than+25PA, controls air draft air-valve and opened by minimum aperture, until pressure passes
Sensor monitors current positive pressure value close to+25PA and keeps not fluctuating for 10 seconds, then controls the closing of air draft air-valve.
If the current positive pressure value in room is less than+25PA, controls air draft air-valve and continue to remain off, waits room
Positive pressure value rise to+25PA gradually, keep the aperture and wind speed of air-supply air-valve.
Not chummery positive pressure value control system is exemplified below manually controls scheme.
Assuming that needing to adjust the positive pressure value in room, user can manually control display panel (interactive panel) setting change
Positive pressure value (hereinafter referred to as change in values) afterwards.
If 1) change in values is bigger than original positive pressure value, air draft air-valve is kept to close, if current positive pressure value or inadequate
Reach change in values, then the aperture of point air-valve will be sent to become smaller, improve the wind speed of air-supply air-valve, increases pressure difference.It is adjusted finally by basic
Section principle is adjusted the positive pressure value in room.
2) if change in values is worth small than original positive pressure, air draft air-valve is opened, the aperture of air draft air-valve is obtained according to △ P,
Reduce exhaust air rate.It is adjusted finally by positive pressure value of the basic Principles of Regulation to room.
3) it if necessary to which pressurized room is adjusted to normal room, then only needs to meet preset cooling capacity and fresh air volume i.e.
It can.
Above-mentioned basic Principles of Regulation specifically refer to:
The pressure differential method calculation formula that " height rule " select in crack between a door and its frame Calculation of Air Leakage: L=0.827*A* Δ P/b*1.25；Its
In, L is positive pressure inleakage, and 0.827 is air leakage coefficient, and A is the gross area that effectively leaks out, and △ P is indoor positive pressure value, and b is index (one
As in the case of, for crack between a door and its frame and the larger area that leaks out, then b takes 2, for window seam b take 1.6), 1.25 be addition line at imprecision
Number.Positive pressure inleakage can be calculated according to above-mentioned formula.It realizes to the fine tuning of the positive pressure value in room, keeps positive pressure value more accurate,
It is more in line with room requirement.
Combined by above two control method, can flexibly adjustment room, be suitable for temporary duty room, reduce
The pipe design etc. in later period.
From the above description it is found that the present invention, which is suitable for, clean requirement, positive pressure request, antipollution space is used,
Such as computer control room, operating room and the workshop etc. for thering is pollutant to distribute, while technical solution of the present invention can also with it is warm and humid
Degree system independent control, is independent of each other.
It applies the technical scheme of the present invention, presses preliminary engineering in advance and need to be arranged default positive pressure value, automatically control and adjust
The positive pressure value in room；It increases and flexibly manually controls scheme, can be adjusted according to different demands, effectively control each room
Between barotropic condition, it is only necessary to ideal conditions can be reached by manually controlling room, and equipment pipeline has fixed early period, it has not been convenient to
Replacement, increase, which manually controls, can reach requirement.
It certainly, is the preferred embodiment of the present invention above.It should be pointed out that for those skilled in the art
For, without departing from the basic principles of the invention, several improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (17)
1. a kind of not chummery positive pressure value control method, is applied to unitary air handling unit, which is characterized in that the method packet
It includes:
The instruction for receiving adjustment positive pressure value, confirms each room positive pressure value to be adjusted according to described instruction；
Compare the positive pressure value and the original positive pressure value in room, accordingly controlled according to comparison result the air draft air-valve in the room open or
It closes；
Wherein, the on or off of the air draft air-valve in the room is accordingly controlled according to comparison result, comprising:
If the original positive pressure value in the positive pressure value >=room, the air draft air-valve for controlling the room continue to remain turned-off shape
State；Wherein, air-valve of blowing when unit starting is opened, and air draft air-valve is closed；If current positive pressure value does not rise to the positive pressure also
Value, the then aperture for controlling air-supply air-valve become smaller, and the wind speed of control air-supply air-valve improves；
If the original positive pressure value in room described in the positive pressure value <, the air draft air-valve for controlling the room is opened.
2. being got over the method according to claim 1, wherein the positive pressure value is differed with the original positive pressure value in the room
Greatly, the aperture of the air draft air-valve is bigger.
3. the method according to claim 1, wherein accordingly controlling the air draft air-valve in the room according to comparison result
On or off after, the method also includes:
It is adjusted according to current positive pressure value of the default adjustment algorithm to room.
4. according to the method described in claim 3, it is characterized in that, according to default adjustment algorithm to the current positive pressure value in room into
Row adjustment, comprising:
The positive pressure inleakage in room is determined according to default adjustment algorithm；
The benefit air quantity of the air inlet air-valve in room is adjusted according to the positive pressure inleakage.
5. the method according to claim 1, wherein the method also includes:
Receive the instruction of adjustment room functions；Wherein, positive-pressure function room is adjusted to normal room by described instruction instruction；
The air-supply air-valve and air draft air-valve in room are controlled, according to described instruction to meet default cooling capacity and default fresh air volume；Wherein,
The default cooling capacity and default fresh air volume are used for normal room.
6. a kind of not chummery positive pressure value control device, is applied to unitary air handling unit, which is characterized in that described device packet
It includes:
Confirmation module confirms each room positive pressure value to be adjusted according to described instruction for receiving the instruction of adjustment positive pressure value；
Control module accordingly controls the room according to comparison result for the positive pressure value and the original positive pressure value in room
The on or off of air draft air-valve；
Wherein, the control module includes:
First control unit, for controlling the air draft air-valve in the room in the original positive pressure value in the positive pressure value >=room
Continue to remain off；Wherein, air-valve of blowing when unit starting is opened, and air draft air-valve is closed；First control unit is also used to
After control air draft air-valve continues to remain off, if current positive pressure value does not rise to the positive pressure value also, control
The aperture of air-supply air-valve becomes smaller, and the wind speed of control air-supply air-valve improves；
Second control unit controls the air draft air-valve in the room when for the original positive pressure value in the room described in the positive pressure value <
It opens.
7. device according to claim 6, which is characterized in that described device further include:
Module is adjusted, for being adjusted according to default adjustment algorithm to the current positive pressure value in room.
8. device according to claim 7, which is characterized in that
The adjustment module, specifically for determining the positive pressure inleakage in room according to default adjustment algorithm；It is leaked according to the positive pressure
Air quantity adjusts the benefit air quantity of the air inlet air-valve in room.
9. device according to claim 6, which is characterized in that described device further include:
Room functions adjust module, for receiving the instruction of adjustment room functions；Wherein, described instruction is indicated positive-pressure function room
Between be adjusted to normal room；The air-supply air-valve and air draft air-valve in room are controlled according to described instruction, with the default cooling capacity of satisfaction and in advance
If fresh air volume；Wherein, the default cooling capacity and default fresh air volume are used for normal room.
10. a kind of not chummery positive pressure value control method, is applied to unitary air handling unit, which is characterized in that the method packet
It includes:
Monitor the indoor positive pressure value in each room；
Compare the indoor positive pressure value and default positive pressure value, opening for the air draft air-valve in each room is accordingly controlled according to comparison result
Or it closes；
Wherein, the on or off of the air draft air-valve in each room is accordingly controlled according to comparison result, comprising:
If presetting positive pressure value described in the indoor positive pressure value >, air draft air-valve opening is controlled；
If the indoor positive pressure value≤default positive pressure value, controls air draft air-valve and continues to remain off；Wherein, machine
Air-supply air-valve is opened when group starting, and air draft air-valve is closed；After control air draft air-valve continues to remain off, if currently
Positive pressure value does not rise to the positive pressure value also, then the aperture for controlling air-supply air-valve becomes smaller, and the wind speed of control air-supply air-valve improves.
11. according to the method described in claim 10, it is characterized in that, monitoring the indoor positive pressure value in each room, comprising:
Pass through the pressure sensor monitoring indoor positive pressure value in each room.
12. according to the method described in claim 10, it is characterized in that, the method is also wrapped after control air draft air-valve opening
It includes:
Continue to monitor indoor positive pressure value；
If monitoring that indoor positive pressure value maintains reaches preset duration in pre-set pressure range, the air draft air-valve is closed；
Wherein, the pre-set pressure range is [the default positive pressure value-setting value, the default positive pressure value+setting value].
13. a kind of not chummery positive pressure value control device, is applied to unitary air handling unit, which is characterized in that described device packet
It includes:
Monitoring modular, for monitoring the indoor positive pressure value in each room；
Control module accordingly controls each room according to comparison result for the indoor positive pressure value and default positive pressure value
Air draft air-valve on or off；
Wherein, the control module includes:
First control unit, in the case where for presetting positive pressure value described in the indoor positive pressure value >, control air draft air-valve is beaten
It opens；
Second control unit, in the case where the indoor positive pressure value≤default positive pressure value, control air draft air-valve after
It is continuous to remain off；Wherein, air-valve of blowing when unit starting is opened, and air draft air-valve is closed；In control air draft air-valve after continuation of insurance
After holding closed state, if current positive pressure value does not rise to the positive pressure value also, the aperture for controlling air-supply air-valve becomes smaller, and controls
The wind speed of system air-supply air-valve improves.
14. device according to claim 13, which is characterized in that
The first control unit is also used to after control air draft air-valve is opened, and continues to monitor indoor positive pressure value；If monitoring
It is maintained to indoor positive pressure value and reaches preset duration in pre-set pressure range, then close the air draft air-valve；Wherein, described default
Pressure limit is [the default positive pressure value-setting value, the default positive pressure value+setting value].
15. a kind of not chummery positive pressure value control system, is applied to unitary air handling unit, which is characterized in that the system packet
It includes: being set to pressure sensor, the air-supply air-valve, air draft air-valve in each room, and, controller；
The pressure sensor monitors the indoor positive pressure value in each room；
Controller accordingly controls each room according to comparison result for the indoor positive pressure value and default positive pressure value
The on or off of air draft air-valve；Wherein, the air-supply air-valve is opened when unit starting, and the air draft air-valve is closed；
Wherein, the on or off of the air draft air-valve in the room is accordingly controlled according to comparison result, comprising:
If the original positive pressure value in the positive pressure value >=room, the air draft air-valve for controlling the room continue to remain turned-off shape
State；Wherein, air-valve of blowing when unit starting is opened, and air draft air-valve is closed；If current positive pressure value does not rise to the positive pressure also
Value, the then aperture for controlling air-supply air-valve become smaller, and the wind speed of control air-supply air-valve improves；
If the original positive pressure value in room described in the positive pressure value <, the air draft air-valve for controlling the room is opened.
16. system according to claim 15, which is characterized in that
The system also includes: described instruction is sent to the control for receiving the instruction of adjustment positive pressure value by interactive panel
Device；
The controller, for confirming each room positive pressure value to be adjusted, the positive pressure value and room according to described instruction
Between original positive pressure value, the on or off of the air draft air-valve in the room is accordingly controlled according to comparison result.
17. a kind of equipment unit, which is characterized in that the equipment unit include: described in any one of claim 6 to 9 not
Chummery positive pressure value control device, and/or, the control of chummery positive pressure value does not fill described in any one of claim 13 to 14
It sets.
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| CN111623480B (en) * | 2020-03-03 | 2021-09-28 | 上海朗绿建筑科技股份有限公司 | Control method and device for air exhaust system capable of keeping indoor micro-positive pressure |
| CN113171133A (en) * | 2021-04-29 | 2021-07-27 | 广安市人民医院 | Specimen collection cabin system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538129A (en) * | 2010-12-24 | 2012-07-04 | 天津市龙川净化工程有限公司 | Clean purification air-conditioning control method for operating room and application system thereof |
| CN102828627A (en) * | 2012-08-27 | 2012-12-19 | 四川川净洁净技术股份有限公司 | Digital intelligent integrated weighting chamber |
| CN104896624A (en) * | 2015-06-09 | 2015-09-09 | 北京城建六建设集团有限公司 | Operating room with positive pressure and negative pressure conversion function |
| CN205119350U (en) * | 2015-10-08 | 2016-03-30 | 沈阳度维科技开发有限公司 | Air conditioner negative pressure intelligent monitoring system |
| CN105509223A (en) * | 2015-12-17 | 2016-04-20 | 安徽华盛科技控股股份有限公司 | CIT pressure adjustable ventilation and purification system |
| CN106855284A (en) * | 2015-12-08 | 2017-06-16 | 安徽东冠器械设备有限公司 | A kind of laboratory pressure controlled system with self-regulation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2294491C2 (en) * | 2004-12-08 | 2007-02-27 | Юрий Петрович Нешитов | Mode of regulation of air pressure in the building and an arrangement for its execution |
-
2017
- 2017-07-10 CN CN201710556912.0A patent/CN107504622B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538129A (en) * | 2010-12-24 | 2012-07-04 | 天津市龙川净化工程有限公司 | Clean purification air-conditioning control method for operating room and application system thereof |
| CN102828627A (en) * | 2012-08-27 | 2012-12-19 | 四川川净洁净技术股份有限公司 | Digital intelligent integrated weighting chamber |
| CN104896624A (en) * | 2015-06-09 | 2015-09-09 | 北京城建六建设集团有限公司 | Operating room with positive pressure and negative pressure conversion function |
| CN205119350U (en) * | 2015-10-08 | 2016-03-30 | 沈阳度维科技开发有限公司 | Air conditioner negative pressure intelligent monitoring system |
| CN106855284A (en) * | 2015-12-08 | 2017-06-16 | 安徽东冠器械设备有限公司 | A kind of laboratory pressure controlled system with self-regulation |
| CN105509223A (en) * | 2015-12-17 | 2016-04-20 | 安徽华盛科技控股股份有限公司 | CIT pressure adjustable ventilation and purification system |
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