CN209655512U - A kind of air cleaning and conditioning system - Google Patents
A kind of air cleaning and conditioning system Download PDFInfo
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- CN209655512U CN209655512U CN201920436944.1U CN201920436944U CN209655512U CN 209655512 U CN209655512 U CN 209655512U CN 201920436944 U CN201920436944 U CN 201920436944U CN 209655512 U CN209655512 U CN 209655512U
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Abstract
The utility model discloses a kind of air cleaning and conditioning systems, including host computer；The host computer is separately connected air supply tube electric control valve, backwind tube electric control valve, air-exhausting duct electric control valve, fresh wind tube electric control valve, air quantity transmitter, differential pressure pickup and door status switch, Pitot tube is connected with air quantity transmitter, and the utility model real-time display room air output (rate of ventilation), room air-supply valve opening, room pressure difference, room door open/close states, total air supply tube air quantity, AHU blower frequency, exhaust blower open/close state, room in host computer return the electronic valve opening of (row) air hose, fresh air valve opening, fresh air volume etc..When setting value is not achieved in rate of ventilation or pressure difference in room, by the aperture of software adjust automatically electric control valve, solve the problems, such as that traditional manual regulative mode bring room rate of ventilation and pressure difference can not timely feedback and adjust difficulty.
Description
Technical field
The utility model relates to a kind of air-conditioning system, specifically a kind of air cleaning and conditioning system.
Background technique
Current Domestic medicine workshop room rate of ventilation and pressure difference control mainly project be completed when, project verifying,
Have the problem of reaching requirement, bring in this way when verifying again by manually adjusting the aperture of air-valve:
(1) it manually adjusts air-valve to be typically mounted in interlayer, adjusts need to consume a large amount of manpower and time every time, and
And the adjustment in a room often impacts the rate of ventilation and pressure difference in other rooms, it often will tune back and forth
Section；Have in the market using electronic variable air rate valve and carry out Boiler pressure control, but this kind of variable air rate valve will measure the Pitot tube of air quantity
It is integrated in one with electric control valve, installation requirement is higher and expensive.
(2) it verifies during being verified again with next time, air hose, which leaks out, or building enclosure is leaked out leads to rate of ventilation and pressure
Difference does not reach requirement, and system can not identify in real time, or identifying can not the aperture of adjust automatically air-valve at once make room
Interior air output and pressure difference reach requirement.
(3) when air-conditioning box is switched to attended mode, system not can guarantee room rate of ventilation and pressure difference reaches design and wants
It asks.
(4) when big exhaust air rate room (room has return air concurrently) exhaust equipment is opened, if air-valve movement is not in time, by
Change in windage in backwind tube, will lead to the variation of remaining room pressure difference and design value is not achieved；And if new air-valve is opened not in time
Greatly, it will lead to blower to increase frequency and waste electricity.
(5) when room door is opened, room pressure difference meeting big ups and downs, pressure difference at this time is also recorded in EMS system, is looked forward in medicine
Carry out GMP verifying when, can not prove this pressure-difference fluctuation be as room door open and caused by.
Utility model content
The purpose of this utility model is to provide a kind of air cleaning and conditioning systems, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions:
A kind of air cleaning and conditioning system, including host computer, the host computer are separately connected electric control valve A, first split type
VAV control valve, the second split type VAV control valve, air quantity transmitter A, air quantity transmitter B, differential pressure pickup and door sensor
Switch, wherein
The first split type VAV control valve is made of fresh air Pitot tube and electric control valve C；
The second split type VAV control valve is made of air-supply Pitot tube and electric control valve B.
Further technical solution as the utility model: the differential pressure pickup has multiple, is equipped in each room
One differential pressure pickup.
Further technical solution as the utility model: the electric control valve B is mounted on the air supply pipeline of pressure fan
On.
Further technical solution as the utility model: the electric control valve A is mounted on air return pipeline.
Further technical solution as the utility model: the electric control valve A is mounted in exhaust pipeline.
Further technical solution as the utility model: the electric control valve C is mounted on fresh air pipeline.
Further technical solution as the utility model: room door of the door status switch partial installation in required control
In frame and door leaf.
Compared with prior art, the beneficial effect of air cleaning and conditioning system provided by the embodiment of the utility model is:
1, real-time display room air output (rate of ventilation), room are blown valve opening, room pressure difference, room in host computer
Between door open/close states, total air supply tube air quantity, AHU blower frequency, exhaust blower open/close state, room return (row) air hose motor-driven valve open
Degree, fresh air valve opening etc..When setting value is not achieved in rate of ventilation or pressure difference in room, pass through software adjust automatically electric control valve
Aperture.Difficulty can not be timely feedbacked and adjust by solving traditional manual regulative mode bring room rate of ventilation and pressure difference
The problem of.
2, become wind by adjusting and automatically adjusting air-supply in host computer remote manual respectively under normal mode, attended mode
It measures valve and returns the aperture of (row) wind electric control valve, each room air output and pressure difference is made to reach setting value, and by each change wind
The aperture for measuring valve and electric control valve is remembered in systems, one key switching.It can guarantee that workshop AHU is run in attended mode in this way
When, the rate of ventilation and pressure difference in each room still are able to guarantee, the energy conservation for enabling workshop to trust.
Even if 3, having the room of Wind Volume exhaust equipment, and air draft magnitude is not fixed, system can also be rapidly performed by air quantity
Balanced adjustment and pressure difference are stablized.It not will cause when Wind Volume exhaust equipment is opened, other room pressure differences are unbalance and ventilation time
Number situation not up to standard.
4, when room door is opened, door status switch provides feedback signal, and system temporarily ceases the automatic adjustment of room pressure difference, to
After door is closed, restore the automatic adjustment of room pressure difference, although the unexpected fluctuation of room pressure difference is resulted in, due to systematic memory
The opening and closing of each room door records, and when medicine looks forward to carrying out GMP verifying, faithfully can show record to verifying personnel proves this wave
Dynamic is normal.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type.
Fig. 1 is the structural block diagram of the air cleaning and conditioning system of the utility model embodiment.
Fig. 2 is that rate of ventilation monitors flow chart in the air cleaning and conditioning system of the utility model embodiment.
Fig. 3 is that room pressure difference monitors flow chart in the air cleaning and conditioning system of the utility model embodiment.
Fig. 4 be the utility model embodiment air cleaning and conditioning system in have the room return air process of Wind Volume equipment air draft
Figure.
Fig. 5 is system pressure control flow chart in the air cleaning and conditioning system of the utility model embodiment.
In figure: 1- host computer, the split type VAV control valve of 2- electric control valve A, 3- first, the split type change wind of 4- second
Control valve, 5- air quantity transmitter A, 6- air quantity transmitter B, 7- differential pressure pickup, 8- door status switch, 9- air-supply Pitot tube, 10-
Electric control valve B, 11- fresh air Pitot tube, 12- electric control valve C.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
FIG. 1 to FIG. 5 is please referred to, the utility model embodiment provides a kind of air cleaning and conditioning system, including host computer 1, electricity
Dynamic regulating valve A2, the first split type VAV control valve 3, the second split type VAV control valve 4, air quantity transmitter A5, air quantity
Transmitter B6, differential pressure pickup 7, door status switch 8, air-supply Pitot tube 9, electric control valve B10, fresh air Pitot tube 11 and electric adjustable
Save valve C12.
In the utility model embodiment, as shown in Figure 1, host computer 1 is separately connected electric control valve A2, the first split type change
Volume control damper 3, the second split type VAV control valve 4, air quantity transmitter A5, air quantity transmitter B6, differential pressure pickup 7 and door
Magnetic switch 8；
The electric control valve B10 is mounted in the air supply pipeline of pressure fan；
The electric control valve A2 is mounted on back/exhaust pipeline on;
The electric control valve C12 is mounted on fresh air pipeline;
Specifically, being equipped with the second split type variable air rate control on the air supply tube in room in the utility model embodiment
Valve 4 processed；The second split type VAV control valve 4 is made of air-supply Pitot tube 9 and electric control valve B10, by skin support of blowing
Pipe 9 and electric control valve B10 partial installation, can greatly reduce the requirement to installation site；
In addition, in the utility model embodiment, room and the first split type variable air rate is installed on AHU fresh wind tube
Control valve 3, the first split type VAV control valve 3 is made of fresh air Pitot tube 11 and electric control valve C12, by fresh air skin
Trustship 11 and electric control valve C12 partial installation, can also greatly reduce the requirement to installation site.
Wherein, the data measured are uploaded to host computer 1 by air quantity transmitter B6 by air-supply Pitot tube 9, at the same time, newly
The data measured are equally uploaded to host computer 1 by air quantity transmitter A5 by wind Pitot tube 11, then pass through process control electricity again
The aperture of dynamic regulating valve A2, as shown in Figure 2 and Figure 5, so, air cleaning and conditioning system provided by the embodiment of the utility model can
To monitor the rate of ventilation in room in real time and guarantee system pressure.
In addition, as shown in figure 3, installing differential pressure pickup 7, the pressure in all rooms in the utility model embodiment
Gap sensor 7 has multiple, and a differential pressure pickup 7 is equipped in each room；Return/air-exhausting duct on install electric control valve A2,
The data that differential pressure pickup 7 measures are uploaded to host computer 1, then pass through the aperture of process control electric control valve A2, thus real
When monitor room pressure difference.
Further, door status switch 8 is installed in all room doorframes and door leaf, specifically, the door status switch 8 is seperated
In the room doorframe and door leaf controlled needed for being mounted on；When room door is opened, door status switch 8 provides feedback signal, and system is temporary
The automatic adjustment for stopping room pressure difference restores the automatic adjustment of room pressure difference after door closing.
In the utility model embodiment, real-time display room air output (rate of ventilation), room air-supply in host computer 1
Valve opening, room pressure difference, room door open/close states, total air supply tube air quantity, AHU blower frequency, exhaust blower open/close state, room
Return/the electronic valve opening of air-exhausting duct, fresh air valve opening, fresh air volume etc..When in room, setting value is not achieved in rate of ventilation or pressure difference, from
The aperture of dynamic each electric control valve of adjustment.
Referring to Fig. 4, having the room of Wind Volume equipment air draft, In in another embodiment provided by the utility model
Equipment air-exhausting duct installs air quantity transmitter, and the main return air branch pipe in room installs split type VAV control valve where exhaust equipment,
When equipment air draft is opened, room return air motor-driven valve, AHU fresh air variable air rate valve, return air primary branch variable air rate valve start to adjust.Room
Return air motor-driven valve controls room pressure difference；AHU fresh air variable air rate valve, which is opened, opens greatly big airflow value equal to equipment exhaust air rate, return air master
Branch pipe variable air rate valve turns down, and the airflow value turned down is equal to equipment exhaust air rate, and fresh air can be replenished in time in this way and maintain system pressure,
And the windage of return air primary branch is balanced, maintain the pressure difference in other rooms.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of air cleaning and conditioning system, which is characterized in that including host computer (1)；
The host computer (1) is separately connected electric control valve A(2), it is the first split type VAV control valve (3), second split type
VAV control valve (4), air quantity transmitter A(5), air quantity transmitter B(6), differential pressure pickup (7) and door status switch (8), wherein
The first split type VAV control valve (3) is by fresh air Pitot tube (11) and electric control valve C(12) it forms；
The second split type VAV control valve (4) is by air-supply Pitot tube (9) and electric control valve B(10) it forms.
2. a kind of air cleaning and conditioning system according to claim 1, which is characterized in that the differential pressure pickup (7) have it is multiple,
A differential pressure pickup (7) is equipped in each room.
3. a kind of air cleaning and conditioning system according to claim 2, which is characterized in that the electric control valve B(10) installation
In the air supply pipeline of pressure fan.
4. a kind of air cleaning and conditioning system according to claim 3, which is characterized in that the electric control valve A(2) it is mounted on
In exhaust pipeline.
5. a kind of air cleaning and conditioning system according to claim 3, which is characterized in that the electric control valve A(2) it is mounted on
On air return pipeline.
6. a kind of air cleaning and conditioning system according to claim 4 or 5, which is characterized in that the electric control valve C(12) peace
On fresh air pipeline.
7. a kind of air cleaning and conditioning system according to claim 6, which is characterized in that door status switch (8) partial installation
In the room doorframe and door leaf of required control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920436944.1U CN209655512U (en) | 2019-04-02 | 2019-04-02 | A kind of air cleaning and conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920436944.1U CN209655512U (en) | 2019-04-02 | 2019-04-02 | A kind of air cleaning and conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209655512U true CN209655512U (en) | 2019-11-19 |
Family
ID=68528676
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920436944.1U Active CN209655512U (en) | 2019-04-02 | 2019-04-02 | A kind of air cleaning and conditioning system |
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| CN (1) | CN209655512U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113303A (en) * | 2020-09-18 | 2020-12-22 | 浙江华健医用工程有限公司 | Negative pressure ward control system and method |
| CN112959870A (en) * | 2021-03-16 | 2021-06-15 | 成都格力新晖医疗装备有限公司 | Mobile laboratory, and negative pressure control method and device for mobile laboratory |
| CN113465073A (en) * | 2021-06-21 | 2021-10-01 | 青岛海尔空调电子有限公司 | Control method of ventilation system and ventilation system |
-
2019
- 2019-04-02 CN CN201920436944.1U patent/CN209655512U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113303A (en) * | 2020-09-18 | 2020-12-22 | 浙江华健医用工程有限公司 | Negative pressure ward control system and method |
| CN112959870A (en) * | 2021-03-16 | 2021-06-15 | 成都格力新晖医疗装备有限公司 | Mobile laboratory, and negative pressure control method and device for mobile laboratory |
| CN113465073A (en) * | 2021-06-21 | 2021-10-01 | 青岛海尔空调电子有限公司 | Control method of ventilation system and ventilation system |
| CN113465073B (en) * | 2021-06-21 | 2023-05-26 | 青岛海尔空调电子有限公司 | Control method of ventilation system and ventilation system |
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