CN104456860B - Air conditioner working state feedback system and method - Google Patents
Air conditioner working state feedback system and method Download PDFInfo
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- CN104456860B CN104456860B CN201310433344.7A CN201310433344A CN104456860B CN 104456860 B CN104456860 B CN 104456860B CN 201310433344 A CN201310433344 A CN 201310433344A CN 104456860 B CN104456860 B CN 104456860B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/40—Pressure, e.g. wind pressure
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air conditioner working state feedback system and method which are used for feeding back the running state of an air conditioner. The feedback system comprises an intelligent control panel connected with the air conditioner. The air conditioner comprises an inner draught fan. The feedback system further comprises a detection module connected between the inner draught fan and the intelligent control panel. A pressure difference switch or a pressure difference sensor can serve as the detection module. The air conditioner working state feedback system and method have the advantages that the pressure difference switch or the pressure difference sensor serves as the detection module in the air conditioner working state feedback system, a connection line connected to the intelligent control panel can be a passive line, the safety performance is high, and the problem that when the energy-saving updating and refitting are conducted on a traditional base station, due to the problems of the intelligent control panel, a null line and a live wire of the base station are short circuited is solved. In addition, the work complexity of the operation, maintenance and on-site installation of the base station is lowered, an existing base station air conditioner does not need to be refitted, and the air conditioner working state feedback system and method can be well compatible with different brands and types of base station air conditioners.
Description
Technical field
A kind of the present invention relates to field of air conditioning, more particularly, it relates to air-conditioning work feedback of status for communication base station
System and method.
Background technology
Communication base station is the important component part of communication system, and the ambient parameter such as its internal temperature and cleanliness factor directly affects
Reliability service and the service life of communication equipment, and communication equipment belong to annual uninterrupted heavy-duty service, caloric value is big,
Even if also needing refrigeration cool-down in the winter time.Therefore air conditioner also must annual run without interruption, in the installation solely base station of square air-conditioning,
The power consumption of air-conditioning accounts for the 45% of total power consumption.
In base station, general design temperature is 28 DEG C at present, and the outer temperature difference just can substitute heat-exchanger more than 4 DEG C indoors
Air-conditioning carries out temperature adjustment for base station, and the time that there are about more than 60% can be that base station is entered using heat-exchanger to substitute air-conditioning
Trip temperature is adjusted, and by the running status of coordinated signals air conditioner in machine room, to reduce the run time of air-conditioning, reduces machine room energy
Consumption.
The control mode of current linkage air-conditioning has power supply, button and the mode such as infrared, and the control of the air-conditioning that links needs to examine
Survey air-conditioning feedback, to judge to control whether effectively, and the feedback system of current through transport air-conditioning is detection base station air conditioner inner blower
Voltage signal, there is following problem in this kind of mode：1）Need to take apart base station air conditioner, and the inner blower connecting line of base station is drawn
To intelligent control board it is therefore desirable to the forceful electric power signal such as the live wire of its power supply and zero line is extended to intelligent control board, it is also easy to produce peace
Full hidden danger, may result in whole communication base station power-off；2）The interior machine narrow space of air-conditioning, the cabling of the inside is complicated, installs people
Member, in operation, is easily damaged original air conditioning system；3）The DC fan that part air-conditioning internal machine uses, voltage signal differs
Cause, thus leading to system compatibility poor.
Content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, provides a kind of air-conditioning work shape
State feedback system, for feeding back the running status of air-conditioning, described air-conditioning work State Feedback System includes the intelligence being connected with air-conditioning
Can panel, described air-conditioning includes inner blower, described air-conditioning work State Feedback System also include being connected to described inner blower with
Detection module between described intelligent control board, described detection module is used for detecting air outlet and the external environment condition of described inner blower
Between air pressure difference, corresponding feedback signal is produced according to the described air pressure difference detecting, and exports described feedback signal
To described intelligent control board, described intelligent control board is used for judging the working condition of described air-conditioning according to described feedback signal.
In above-mentioned air-conditioning work State Feedback System, described detection module is pressure difference switch.
In above-mentioned air-conditioning work State Feedback System, described pressure difference switch include first interface, second interface and
First outfan, described first interface is connected with the air outlet of described inner blower by pipeline, for gathering described inner blower
The atmospheric pressure value of air outlet；Described second interface is placed directly within extraneous air, for gathering the atmospheric pressure value in external environment condition；Institute
State the first outfan to be connected with described intelligent control board, described pressure difference switch is used for air outlet and outside according to described inner blower
Air pressure difference between environment is compared with default alarm pneumatic value, and is controlled in described pressure difference switch according to comparative result
Normally opened contact closure or recover normally open, and normally opened contact closure is represented by described first outfan output or recovers often
The on-off model of open state；Described intelligent control board is used for receiving described on-off model and being sentenced according to described on-off model
The working condition of disconnected described air-conditioning.
In above-mentioned air-conditioning work State Feedback System, described feedback signal is described on-off model, described switch
Amount signal includes closure signal and cut-off signal.
In above-mentioned air-conditioning work State Feedback System, described detection module is differential pressure pickup.
In above-mentioned air-conditioning work State Feedback System, described differential pressure pickup include the 3rd interface, the 4th interface with
And second outfan, described 3rd interface is connected with the air outlet of described inner blower by pipeline, for gathering described inner blower
Air outlet atmospheric pressure value；Described 4th interface is placed directly within extraneous air, for gathering the atmospheric pressure value of external environment condition；Described
Two outfans are connected with described intelligent control board, for the draught head between the air outlet according to described inner blower and external environment condition
Value output first voltage signal, described intelligent control board receives described first voltage signal and by described first voltage signal and generation
Table preset air pressure threshold values second voltage signal be compared, to judge the working condition of described air-conditioning.
A kind of air-conditioning work State Feedback Approach, methods described includes：
Air-conditioning work State Feedback System described above is provided, when described detection module is pressure difference switch, described pressure
Air pressure difference Dp that difference switch detects is
Dp=P1-P2；
Wherein, P1 is the air outlet atmospheric pressure value of described inner blower, and P2 is the atmospheric pressure value of external environment condition；
Alarm pneumatic value Ps of setting pressure difference switch, when Dp is more than Ps, described pressure difference switch exports a closure signal,
Described intelligent control board receives described closure signal and judges presently described air-conditioning for opening；
When Dp is less than or equal to Ps, described pressure difference switch exports a cut-off signal, and described intelligent control board receives
Described cut-off signal simultaneously judges presently described air-conditioning for closed mode.
In a kind of above-mentioned air-conditioning work State Feedback Approach, methods described also includes：
When described detection module is differential pressure pickup, air pressure difference Dq that described differential pressure pickup detects is
Dq=Q1-Q2；
Wherein, Q1 is the air outlet atmospheric pressure value of described inner blower, and Q2 is the atmospheric pressure value of external environment condition；
Described differential pressure pickup exports a corresponding first voltage signal U1 according to described air pressure difference Dq；
Described intelligent control board is received described first voltage signal U1 and is believed with the second voltage representing preset air pressure threshold values
Number U2 is compared, if U1 is more than U2, judges that presently described air-conditioning is opening；
If U1 is less than or equal to U2, judge that presently described air-conditioning is closed mode.
Implement air-conditioning work State Feedback System and the method for the present invention, have the advantages that：In air-conditioning work shape
In state feedback system, detection module is for pressure difference switch or differential pressure pickup so that connecting to the connecting line of intelligent control board is no
Source line, security performance is high, it is to avoid when carrying out energy-conservation upgrading to traditional base station, because of intelligent control board problem itself, leads
Cause base station zero line and the problem of live wire short circuit.And simplify base station O＆M and field erected work complexity, need not be to former
Base station air conditioner is transformed, and the base station air conditioner for different brands and model, all can be good at compatibility.
Brief description
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is a kind of structured flowchart of air-conditioning work State Feedback System of present pre-ferred embodiments；
Fig. 2 is a kind of flow chart of air-conditioning work State Feedback Approach of present pre-ferred embodiments.
Specific embodiment
In order to be more clearly understood to the technical characteristic of the present invention, purpose and effect, now comparison accompanying drawing describes in detail
The specific embodiment of the present invention.
Fig. 1 is a kind of structured flowchart of air-conditioning work State Feedback System of present pre-ferred embodiments, including air-conditioning 10
And intelligent control board 30, air-conditioning 10 includes inner blower 101, and feedback system also includes being connected to inner blower 101 and Based Intelligent Control
Detection module 20 between plate 30.Detection module 20 is used for detecting the air pressure between the air outlet of inner blower 101 and external environment condition
Difference, produces corresponding feedback signal according to the air pressure difference detecting, and output feedback signal is to intelligent control board 30, intelligence
Panel 30 is used for judging the working condition of air-conditioning 10 according to feedback signal.Wherein, detection module 20 can be pressure difference switch or
Person's differential pressure pickup, the feedback signal of output can be on-off model or voltage signal, when detection module is for pressure difference switch,
The feedback signal of output is on-off model；When detection module 20 is differential pressure pickup, the feedback signal of output is voltage letter
Number.
When by way of using pressure difference switch, to feed back the running status of base station air conditioner, i.e. detection module in Fig. 1
20 is pressure difference switch, and pressure difference switch includes first interface, second interface and the first outfan, and first interface passes through pipeline (
As plastic conduit) be connected with the air outlet of inner blower 101, the air outlet atmospheric pressure value of inner blower 101 can be collected.The
Two interfaces are directly placed in extraneous air, can gather the atmospheric pressure value of external environment condition, i.e. atmospheric gas pressure value.The of pressure difference switch
One outfan is connected with intelligent control board, and pressure difference switch is used for the air pressure between the air outlet of inner blower 101 and external environment condition
Difference is compared with default alarm pneumatic value, and according to the normally opened contact closure comparing in control pressure difference switch or often recovers
Open state, and normally opened contact closure or the on-off model recovering normally open are represented by the first outfan output, now instead
The on-off model that feedback signal exports for pressure difference switch, that is, pass through to arrange the alarm pneumatic value of pressure difference switch, when pressure difference switch inspection
When air pressure difference between the air outlet of inner blower 101 measuring and external environment condition is more than the alarm pneumatic value of pressure difference switch, that is,
The inner blower 101 of base station air conditioner 10 starts, and the air outlet atmospheric pressure value of blowing machine 101 increases because blower fan opens, and now pressure reduction is opened
The on-off model closing output is closure signal, i.e. normally opened contact closure in pressure difference switch, and intelligent control board 30 receives this
Closure signal, just can determine whether out that now air-conditioning is in opening.The air outlet of the inner blower 101 detecting when pressure difference switch with
When air pressure difference between external environment condition is zero, i.e. the atmospheric pressure value phase of the air outlet atmospheric pressure value of inner blower 101 and external environment condition
Deng, i.e. the inner blower of base station air conditioner 10 not actuated, the on-off model of now pressure difference switch output is cut-off signal, i.e. pressure reduction
Normally opened contact in switch recovers normally open, and intelligent control board 30 receives this cut-off signal, just can determine whether out now at air-conditioning
In closed mode.
To feed back when by way of using differential pressure pickup base station air conditioner running status when, i.e. detection mould in Fig. 1
Block 20 is differential pressure pickup, and differential pressure pickup includes the 3rd interface, the 4th interface and the second outfan.The of differential pressure pickup
Three interfaces are connected with the air outlet of inner blower 101, for gathering going out of inner blower by pipeline (common plastic conduit)
Air port atmospheric pressure value.4th interface of differential pressure pickup is placed directly in the air, for gathering the atmospheric pressure value of external environment condition, pressure reduction
Sensor passes through to identify that the air pressure difference between the air outlet of specific inner blower and external environment condition exports corresponding first voltage
Signal；Second outfan of differential pressure pickup is connected with intelligent control board 30, and intelligent control board 30 receives this first voltage signal
And a second voltage signal representing preset air pressure threshold values is set, by will received first voltage signal and second electricity
Pressure signal is compared, and to judge the working condition of air-conditioning 10 with this, when received first voltage signal is more than the second electricity
During pressure signal, then may determine that inner blower 101 is now in opening, accordingly, current base station air-conditioning is opening.When
When the first voltage signal that intelligent control board 30 receives is less than or equal to second voltage signal, then may determine that inner blower 101
Now do not open, accordingly, current base station air-conditioning is closed mode.Additionally, pressure difference switch and differential pressure pickup all also include electricity
Source and earth terminal, its power end external power supply, for providing running voltage to pressure difference switch and differential pressure pickup.
Fig. 2 is a kind of flow chart of air-conditioning work State Feedback Approach of present pre-ferred embodiments, is carried based in Fig. 1
For air-conditioning work State Feedback System, when detection module 20 be pressure difference switch when, air-conditioning work State Feedback Approach includes：
Air pressure difference Dp that pressure difference switch is formed with second interface by first interface is
Dp=P1-P2；
Wherein, P1 is the air outlet atmospheric pressure value of described inner blower 101, and P2 is the atmospheric pressure value of external environment condition；
By arranging alarm pneumatic value Ps of pressure difference switch, when Dp is more than Ps, it is defeated that pressure difference switch passes through the first outfan
Go out a closure signal, intelligent control board 30 receives this closure signal and judges current air-conditioning for opening；
When Dp is less than or equal to Ps, pressure difference switch passes through the first outfan and exports a cut-off signal, intelligent control board
30 receive this cut-off signal and judge current air-conditioning for closed mode.
When detection module 20 is differential pressure pickup, air-conditioning work State Feedback Approach includes：
Differential pressure pickup by air pressure difference Dq that the 3rd interface and the 4th interface detect is
Dq=Q1-Q2；
Wherein, Q1 is the air outlet atmospheric pressure value of inner blower 101, and Q2 is the atmospheric pressure value of external environment condition；
Differential pressure pickup exports a corresponding first voltage signal U1 according to air pressure difference Dq in the second outfan；
Intelligent control board 30 is received first voltage signal U1 and is entered with the second voltage signal U2 representing preset air pressure threshold values
Row compares, if the first voltage signal U1 that differential pressure pickup exports in the second outfan is more than second voltage signal U2, intelligence
Panel 30 judges that current air-conditioning is opening；
If the first voltage signal U1 that differential pressure pickup exports in the second outfan is less than or equal to second voltage signal U2,
Then intelligent control board 30 judges that current air-conditioning is closed mode.
Referring to Fig. 1 and Fig. 2, now describe the operation principle of a kind of present invention air-conditioning work State Feedback System and method in detail
As follows：In communication base station, by the running status of coordinated signals air conditioner in machine room, that is, every air-conditioning is connected respectively a use
In the intelligent control board controlling air-conditioning to be turned on and off, therefore linkage air-conditioning needs to detect the feedback of air-conditioning, that is, detect air-conditioning
Running status, thus come to judge its control whether lost efficacy.In the present invention by detection module 20 come feedback communication base station hollow
The running status adjusted, exports a feedback letter for the draught head between the air outlet according to air-conditioning inner blower and external environment condition
Number give intelligent control board 30, and intelligent control board 30 receive detection module 20 output feedback signal and according to this feedback signal
To judge whether inner blower is opened, i.e. the running status of air-conditioning, wherein, inside intelligent control board 30, comprise process chip and outer
Enclose circuit, process chip has the control functions such as data processing and transmission or receipt signal, for example common single-chip microcomputer etc..
Detection module 20 can be pressure difference switch or differential pressure pickup, when detection module 20 is pressure difference switch, by pressure
The first interface of difference switch be high pressure connection port with second interface be the pressure reduction that low pressure connectivity port detects be inner blower 101
The air pressure P1 and external ambient air pressure P2 of air outlet air pressure difference Dp=P1-P2, after base station air conditioner is started shooting, air-conditioning interior
Blower fan starts, and the air outlet air pressure P1 of inner blower increases because of the unlatching of inner blower, therefore can produce a positive differential pressure Dp, pass through
Alarm pneumatic value Ps of setting pressure difference switch, when Dp is more than Ps, the feedback signal of pressure difference switch output is on-off model, this
When just produce a closure signal, intelligent control board 30 receive this closure signal can detect that current base station air-conditioning be open
Open state.After base station air conditioner completely closes, inner blower closing, the air outlet air pressure P1 of inner blower and the external rings of base station air conditioner
Border air pressure is equal, now draught head Dp=0, and Dp is less than Ds, and now pressure difference switch exports a cut-off signal, intelligent control board 30
Receive this cut-off signal, that is, be capable of identify that the state of this pressure difference switch, such that it is able to judge current base station air-conditioning for closing shape
State.Specifically, pressure difference switch model QBM81-5 in the present embodiment, the therefore pressure difference switch in the present invention is substantially one
Plant the transmitting device experiencing air-flow differential, when detected air-flow differential reaches the default alarm pneumatic value of device, that is,
An on-off model can be sent.The on-off model detecting delivers to the On-off signal mouth of intelligent control board 30, namely internal
The common I/O mouth of process chip, if the inner blower of air-conditioning is not actuated, pressure difference switch returns to poised state, and normally opened contact is by having
Closure state during air-flow arrives normally open again, that is, export a closure signal or cut-off signal, and intelligent control board according to
The signal receiving is judging the running status of base station air conditioner.So that the alarm pneumatic value of pressure difference switch is as 50pa as a example, when pressure reduction is opened
When closing the air pressure difference of the air outlet air pressure of inner blower that detects and external ambient air pressure and being more than 50pa, pressure difference switch just exports
One closure signal, i.e. normally opened contact closure in pressure difference switch, intelligent control board 30 just may be used according to the closure signal receiving
Identification air-conditioning is now in opening.When air pressure difference is less than 50pa, pressure difference switch just exports a cut-off signal, that is, press
Normally opened contact in difference switch reverts to normally open, and intelligent control board 30 just can recognize that air-conditioning according to the cut-off signal receiving
It is now in closed mode.
Wherein, pressure difference switch can also be replaced by differential pressure pickup, when detection module 20 is differential pressure pickup, with pressure
Difference switch is the same, and differential pressure pickup is high pressure connection port again by the 3rd interface and the 4th interface is the inspection of low pressure connectivity port
The draught head measuring is air pressure difference Dq=Q1-Q2 of the air pressure Q1 and external ambient air pressure Q2 of air outlet of inner blower 101, pressure
Gap sensor again by the concrete air pressure difference recognizing the second outfan be signal output part export one with this air pressure difference
Corresponding first voltage signal U1, and intelligent control board 30 receives this voltage signal, and by this voltage signal and representative
The second voltage signal U2 of preset air pressure threshold values is compared, if the first electricity receiving from the signal output part of differential pressure pickup
Pressure signal is more than second voltage signal, then intelligent control board 30 may determine that current base station air-conditioning is in opening.If from pressure
The first voltage signal that the signal output part of gap sensor receives is less than or equal to second voltage signal, then intelligent control board 30
May determine that current base station air-conditioning is closed.Specifically, if the air-out of current inner blower that recognizes of differential pressure pickup
Implication pressure is 30pa or 40pa with the air pressure difference of external ambient air pressure, and differential pressure pickup can export one and current gas pressure difference
Corresponding first voltage signal, intelligent control board is connected to this voltage signal, and Based Intelligent Control intralaminar part is also provided with representing and makes a reservation for
It is 50pa that the second voltage signal of air pressure threshold values, such as second voltage signal represent predetermined air pressure threshold values, and therefore intelligence is controlled
Making sheet can detect the first voltage signal receiving from the signal output part of differential pressure pickup and be less than second voltage signal, because
This may determine that current air-conditioning is closed.If the first voltage signal of the signal output part output of differential pressure pickup is more than
Second voltage signal, the air pressure difference that is, intelligent control board 30 recognizes is more than 50pa, then intelligent control board may determine that currently
Air-conditioning is in opening.
At present by the running status of coordinated signals air conditioner in machine room in base station, to reduce the run time of air-conditioning, reduce machine
Room energy consumption.In the air-conditioning work State Feedback System of the present invention and method, by using pressure difference switch or differential pressure pickup
Mode feeding back the running status of base station air conditioner, then may determine that to linkage air-conditioning control whether lost efficacy.
By using pressure difference switch or differential pressure pickup, with the air pressure difference according to base station air conditioner air outlet and external environment condition
Whether the inner blower to judge base station air conditioner is opened, and such that it is able to the effective running status identifying base station air conditioner, and passes through
Using pressure difference switch or differential pressure pickup so that connecting to the connecting line of intelligent control board is passive line, security performance is high, will not
Impact is produced on whole base station electric power system.Installation personnel is when mounted it is not necessary to take original base station air conditioner apart simultaneously, it is to avoid
When energy-conservation upgrading is carried out to traditional base station, lead to asking of base station zero line and live wire short circuit because of intelligent control board itself
Topic.And simplify base station O＆M and field erected work complexity, former base station air conditioner need not be transformed, and this
The air-conditioning of the compatible different manufacturers of air-conditioning work State Feedback System of bright offer, simultaneously empty to the base station using direct current inner blower
Adjust all compatible, be therefore directed to the base station air conditioner of different brands and model, all can be good at compatibility.
Above in conjunction with accompanying drawing, embodiments of the invention are described, but the invention is not limited in above-mentioned concrete
Embodiment, above-mentioned specific embodiment is only schematically, rather than restricted, those of ordinary skill in the art
Under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection, also can make a lot
Form, these belong within the protection of the present invention.
Claims (6)
1. a kind of air-conditioning work State Feedback System, for feeding back the running status of air-conditioning, described air-conditioning work feedback of status system
System includes the intelligent control board being connected with air-conditioning, and described air-conditioning includes inner blower it is characterised in that described air-conditioning work state is anti-
Feedback system also includes the detection module being connected between described inner blower and described intelligent control board, and described detection module is used for examining
Survey the air pressure difference between the air outlet of described inner blower and external environment condition, the described air pressure difference according to detecting produces and corresponds to
Feedback signal, and feed back signal to described intelligent control board described in exporting, described intelligent control board is used for according to described feedback
Signal judges the working condition of described air-conditioning；
Described detection module is pressure difference switch；
Described pressure difference switch includes first interface, second interface and the first outfan, and described first interface passes through pipeline and institute
The air outlet stating inner blower connects, for gathering the atmospheric pressure value of the air outlet of described inner blower；Described second interface is directly put
In extraneous air, for gathering the atmospheric pressure value in external environment condition；Described first outfan is connected with described intelligent control board, institute
State pressure difference switch for the air pressure difference between the air outlet according to described inner blower and external environment condition and default alarm pneumatic
Value is compared, and controls normally opened contact closure or recovery normally open in described pressure difference switch according to comparative result, and leads to
Cross the on-off model that described first outfan output represents normally opened contact closure or recovers normally open；Described intelligent control board
For receiving described on-off model and judging the working condition of described air-conditioning according to described on-off model.
2. air-conditioning work State Feedback System according to claim 1 is it is characterised in that described feedback signal is described opening
Signal is measured in pass, and described on-off model includes closure signal and cut-off signal.
3. air-conditioning work State Feedback System according to claim 1 is it is characterised in that described detection module passes for pressure reduction
Sensor.
4. air-conditioning work State Feedback System according to claim 3 is it is characterised in that described differential pressure pickup includes
Three interfaces, the 4th interface and the second outfan, described 3rd interface is connected with the air outlet of described inner blower by pipeline, uses
In the air outlet atmospheric pressure value gathering described inner blower；Described 4th interface is placed directly within extraneous air, for gathering external rings
The atmospheric pressure value in border；Described second outfan is connected with described intelligent control board, for the air outlet according to described inner blower with outward
Air pressure difference output first voltage signal between portion's environment, described intelligent control board receives described first voltage signal and by institute
State first voltage signal with represent preset air pressure threshold values second voltage signal be compared, to judge the work of described air-conditioning
State.
5. a kind of air-conditioning work State Feedback Approach is it is characterised in that methods described includes：
There is provided the air-conditioning work State Feedback System as any one of claim 1-4, when described detection module is pressure reduction
During switch, air pressure difference Dp that described pressure difference switch detects is
Dp=P1-P2；
Wherein, P1 is the air outlet atmospheric pressure value of described inner blower, and P2 is the atmospheric pressure value of external environment condition；
Alarm pneumatic value Ps of setting pressure difference switch, when Dp is more than Ps, described pressure difference switch exports a closure signal, described
Intelligent control board receives described closure signal and judges presently described air-conditioning for opening；
When Dp is less than or equal to Ps, described pressure difference switch exports a cut-off signal, and described intelligent control board receives described
Cut-off signal simultaneously judges presently described air-conditioning for closed mode.
6. a kind of air-conditioning work State Feedback Approach according to claim 5 is it is characterised in that methods described also includes：
When described detection module is differential pressure pickup, air pressure difference Dq that described differential pressure pickup detects is
Dq=Q1-Q2；
Wherein, Q1 is the air outlet atmospheric pressure value of described inner blower, and Q2 is the atmospheric pressure value of external environment condition；
Described differential pressure pickup exports a corresponding first voltage signal U1 according to described air pressure difference Dq；
Described intelligent control board receive described first voltage signal U1 and with the second voltage signal U2 representing preset air pressure threshold values
It is compared, if U1 is more than U2, judge that presently described air-conditioning is opening；
If U1 is less than or equal to U2, judge that presently described air-conditioning is closed mode.
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| CN201858737U (en) * | 2010-11-10 | 2011-06-08 | 广东省建筑科学研究院 | Intelligent ventilating system for communication base station |
| CN202769887U (en) * | 2012-09-25 | 2013-03-06 | 天津市亨瑞系统控制工程有限公司 | Automatic control system with fresh air handling unit |
| CN202885166U (en) * | 2012-09-15 | 2013-04-17 | 上海澜腾智能科技有限公司 | Air-conditioner remote control system |
| CN103206764A (en) * | 2012-01-17 | 2013-07-17 | 力博特公司 | Air-conditioner and self-cleaning method thereof |
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2013
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| JPH0694261A (en) * | 1992-09-09 | 1994-04-05 | Nippon Steel Corp | Room pressure controller for clean room |
| JPH09282007A (en) * | 1996-04-09 | 1997-10-31 | Mitsubishi Electric Corp | Regulator, control verifier and flow controller for pressure control system and flow control system |
| CN201177350Y (en) * | 2007-12-03 | 2009-01-07 | 周宇 | Remote control split hanging type air-conditioner |
| CN201858737U (en) * | 2010-11-10 | 2011-06-08 | 广东省建筑科学研究院 | Intelligent ventilating system for communication base station |
| CN103206764A (en) * | 2012-01-17 | 2013-07-17 | 力博特公司 | Air-conditioner and self-cleaning method thereof |
| CN202885166U (en) * | 2012-09-15 | 2013-04-17 | 上海澜腾智能科技有限公司 | Air-conditioner remote control system |
| CN202769887U (en) * | 2012-09-25 | 2013-03-06 | 天津市亨瑞系统控制工程有限公司 | Automatic control system with fresh air handling unit |
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| CN104456860A (en) | 2015-03-25 |
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