CN104896650B - Air conditioning water system exhaust control method and device and air conditioning system - Google Patents
Air conditioning water system exhaust control method and device and air conditioning system Download PDFInfo
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- CN104896650B CN104896650B CN201410079136.6A CN201410079136A CN104896650B CN 104896650 B CN104896650 B CN 104896650B CN 201410079136 A CN201410079136 A CN 201410079136A CN 104896650 B CN104896650 B CN 104896650B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 291
- 238000004378 air conditioning Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000000740 bleeding effect Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 230000001771 impaired effect Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 3
- 238000007872 degassing Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000009182 swimming Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
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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
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- 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
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air conditioner water system exhaust control method, which comprises the following steps: starting a water pump; after the water pump is started for first preset time, detecting the state of the water flow switch within continuous second preset time; if the state is off, the water pump is turned off; and if the state is closed, the water pump is continuously operated, and the air in the water circulation main loop is discharged out of the water system through the automatic exhaust valve. Through the water pump operation on the independent control air conditioning system indoor unit water system major loop, realize the air in the above-mentioned water system of automatic discharge, need dismantle the water pump wiring when having avoided traditional exhaust, control the loaded down with trivial details of water pump by force, also do not have the potential safety hazard. Meanwhile, the invention also discloses an air conditioning water system exhaust control device and an air conditioning system.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of air-conditioner water system method of controlling exhaust gas, a kind of air-conditioning
Water system exhaust control device and a kind of air-conditioning system.
Background technology
When existing air-conditioning carries out installation and debugging, there is the problem of air-discharging is difficult inside water system.For in small-sized household
Water pump in air-conditioning water dispenser, unit is entreated all to be integrated in complete machine, by complete machine control, so individually water pump free can not be controlled to open
Stop.Unit so be may result in installation and debugging moisturizing first, it is easy to which unit occur does not have enough during moisturizing
Power resources get up the water circulation of internal system, cause the air inside water system to remain, water is often reported in running
The too low protection of flow.
The method of existing control unit water pump is, it is necessary to which artificial dismounting water pump wiring, pressure is controlled to water pump.But
It is that so operation is very bothered, and there is very big potential safety hazard.
The content of the invention
Based on this, it is necessary to control during water pump troublesome poeration by force for artificial dismounting water pump wiring and there is very big safety
The problem of hidden danger, there is provided air-conditioner water system method of controlling exhaust gas a kind of easy to operate and safe.
Meanwhile, the present invention also provides a kind of air-conditioner water system exhaust control device and a kind of air-conditioning system.
A kind of air-conditioner water system method of controlling exhaust gas, for controlling air-conditioning system indoor units water system to be arranged automatically
Gas, the water system include heat exchanger, water pump and water flow switch, the heat exchanger, water pump and water flow switch by pipeline sequentially
Connect and constitute water circulation major loop, automatic exhaust steam valve is set on the pipeline；Comprise the following steps：
Open the water pump；
After the scheduled time of starting mode of pump first, the state of the water flow switch in continuous second scheduled time is detected；
If the state closes the water pump to disconnect；
If the state is closure, the air continued to run with the water pump, the water circulation major loop passes through institute
State automatic exhaust steam valve and discharge the water system.
In one of the embodiments, first scheduled time is 10-20 seconds.
In one of the embodiments, second scheduled time is 25-35 seconds.
A kind of air-conditioner water system exhaust control device, for controlling air-conditioning system indoor units water system to be arranged automatically
Gas, the water system include heat exchanger, water pump and water flow switch, the heat exchanger, water pump and water flow switch by pipeline sequentially
Connection constitutes and sets automatic exhaust steam valve on water circulation major loop, the pipeline；Including：
Control module, connects the water pump, for being turned on and off the water pump；
Detection module, connects the control module and the water flow switch, in the pre- timing of the starting mode of pump first
Between after, detect the state of the water flow switch in continuous second scheduled time, and testing result is transferred to the control module；
The control module controls the operation of the water pump according to the testing result, if the state is disconnects,
Close the water pump；If the state is closure, the water pump is controlled to continue to run with；Sky in the water circulation major loop
Gas is automatically drained out the water system by the automatic exhaust steam valve.
In one of the embodiments, first scheduled time is 10-20 seconds.
In one of the embodiments, second scheduled time is 25-35 seconds.
In one of the embodiments, in addition to control panel, the control module is connected, for receiving open signal or pass
Close signal and be transferred to the control module.
In one of the embodiments, in addition to display screen, the control module is connected；The control module is according to described
Testing result closes the water pump, and shows fault message by the display screen.
A kind of air-conditioning system, including outdoor unit and indoor units, in addition to above-mentioned air-conditioner water system exhaust control device,
The air-conditioner water system exhaust control device connects the indoor units, for controlling the water system of the indoor units to carry out certainly
Dynamic exhaust.
Above-mentioned air-conditioner water system method of controlling exhaust gas, air-conditioner water system exhaust control device and air-conditioning system, pass through independence
The pump operation on air-conditioning system indoor units water system major loop is controlled, the air being automatically drained out in above-mentioned water system is realized,
Need to dismantle water pump wiring when avoiding conventional exhaust, water pump is controlled by force it is cumbersome, also in the absence of potential safety hazard.And
And, it is above-mentioned can be achieved it is self-bleeding on the basis of, also the water flow switch on water system major loop is monitored, it is to avoid as
During fruit water flow switch failure, cause water system cisco unity malfunction, further result in the impaired situation of air-conditioning system other elements
Occur, also overhauled beneficial to air-conditioning system.
Brief description of the drawings
Fig. 1 is the air-conditioner water system method of controlling exhaust gas flow chart of one embodiment of the invention；
Fig. 2 is the air-conditioner water system exhaust control device schematic diagram of one embodiment of the invention；
Fig. 3 is the air-conditioning system schematic diagram of one embodiment of the invention；
Fig. 4 is the air-conditioning system schematic diagram of another embodiment of the present invention.
Embodiment
A kind of air-conditioner water system method of controlling exhaust gas and device, pass through independence control air conditioner system indoor units water system master
Pump operation on loop, realizes and is automatically drained out air in above-mentioned water system, it is to avoid conventional exhaust needs the dismounting water pump to connect
Line, water pump is controlled by force it is cumbersome, also in the absence of potential safety hazard.Also, realize it is self-bleeding on the basis of, it is also right
Water flow switch on water system major loop is monitored, it is to avoid during water flow switch failure, cause the indoor units water system can not
Normal work, further resulting in air-conditioning system, other load impaired situation generation, are also overhauled beneficial to air-conditioning system.One
Air-conditioning system is planted, on the basis of conventional refrigeration pattern and heating mode isotype, automatic exhaust mode, user Ke Tong is added
Cross controller or control panel realizes a key row gas, it is simple, convenient, it is to avoid the safety that artificial dismounting water pump wiring is brought is hidden
Suffer from.Above-mentioned self-bleeding setting, enables air-conditioning system to be run under stable hydraulic pressure, it is ensured that water inside air-conditioning system
Abundance, be not in air, reduce the impaired probability of heat exchanger, also reduce because air-conditioning system water system water-carrying capacity is not enough
Cause the frequent probability out of service of indoor units.
With reference to the accompanying drawings and examples to a kind of air-conditioner water system method of controlling exhaust gas of the invention, a kind of air-conditioner water system
Exhaust control device and a kind of air-conditioning system are further elaborated on.
It is the air-conditioner water system method of controlling exhaust gas flow chart of one embodiment of the invention shown in Fig. 1.
With reference to Fig. 1, a kind of air-conditioner water system method of controlling exhaust gas, for controlling air-conditioning system indoor units water system to carry out
Exhaust, the water system includes heat exchanger, water pump and water flow switch, and the heat exchanger, water pump and water flow switch are suitable by pipeline
It is secondary to connect and constitute automatic exhaust steam valve is set on water circulation major loop, the pipeline, above-mentioned air-conditioner water system method of controlling exhaust gas
Specifically include following steps：
S120：Open water pump.
Different, the setting difference on water-flow circuit, when above-mentioned water-flow circuit is constituted according to air-conditioning system indoor units
On be provided with other switching devices, such as when triple valve, two-port valve or other switching devices, multiple water-flow circuits can be constituted.
It can first control above-mentioned switching device to open or close or be conducted to a certain state, obtain one of water-flow circuit, then open
Open above-mentioned water pump.Complete after a bleeding, be transformed into another water-flow circuit and proceed exhaust, until to all
Water-flow circuit is fully completed bleeding.In the present embodiment, operation only is exhausted to water circulation major loop.
After the setting for completing above-mentioned switching device, delay certain time opens water pump.Specifically, being opened after being delayed 15 seconds
Water pump, it is ensured that water circulation system can be turned on.In other examples, it can also be delayed after other scheduled times and be then turned on water
Pump.
S140：After the scheduled time of starting mode of pump first, the water flow switch in continuous second scheduled time is detected
State.
Specifically, above-mentioned first scheduled time is 10-20 seconds, above-mentioned second scheduled time is 25-35 seconds.Implement another
In example, above-mentioned first scheduled time is 15 seconds, and above-mentioned second scheduled time is 30 seconds.
By detecting the state of water flow switch, whether detection water flow switch damages or failure.In the operation of above-mentioned water system
When, in the case where water-carrying capacity is too low, if water flow switch failure, when indoor units are run under low discharge for a long time, especially
It is in refrigerating operaton, it is easy to occur arrive temperature spot, indoor units can frequently start and stop, cause heat exchanger to be damaged by frost.On
Temperature spot is stated, the leaving water temperature point of user's setting is referred to.Specifically, said temperature point is 7 DEG C.
By detecting whether water flow switch damages or failure, the generation of above mentioned problem can be avoided, is also entered beneficial to air-conditioning system
Row maintenance.
S160：If the state closes the water pump to disconnect.
If the state of water flow switch is to disconnect, water flow switch failure or damage is represented.By switching off the pump, stop
Bleeding, stops the loaded work of air-conditioning system institute, alarms and is opened by display displaying system failure or display current
Close failure.
S180：If the state is closure, the air continued to run with the water pump, the water circulation major loop leads to
Cross the automatic exhaust steam valve and discharge the water system.
If it is closure that detection, which obtains the state of water flow switch, represent that water flow switch is working properly, water pump is continued to run with, it is empty
Adjusting system all loads in addition to water pump are failure to actuate.By the dynamic action of water pump, the water in above-mentioned water-flow circuit enters
Row is circulated, and is automatically drained out when the air in water system is with water circulation to above-mentioned automatic exhaust steam valve.
Above-mentioned air-conditioner water system method of controlling exhaust gas, by independence control air conditioner system indoor units water system major loop
Pump operation, realize and be automatically drained out air in above-mentioned water system, it is to avoid conventional exhaust needs dismounting water pump wiring, by force
What water pump was controlled is cumbersome, also in the absence of potential safety hazard.Also, realize it is self-bleeding on the basis of, also to water system
Water flow switch on major loop is monitored, it is to avoid during water flow switch failure, causes indoor units water system can not normal work
Make, further resulting in air-conditioning system, other load impaired situation generation, are also overhauled beneficial to air-conditioning system.
It is the air-conditioner water system exhaust control device schematic diagram of one embodiment of the invention shown in Fig. 2.
With reference to Fig. 2, a kind of air-conditioner water system exhaust control device 100, for passing through above-mentioned air-conditioner water system gas exhaust inspecting
Method control air-conditioning system indoor units water system 200 is exhausted.Above-mentioned water system 200 includes heat exchanger 220, water pump 240
With water flow switch 260, above-mentioned heat exchanger 220, water pump 240 and water flow switch 260 pass through pipeline（Figure is not marked）Sequentially connect and structure
Into water circulation major loop, automatic exhaust steam valve 280 is set on above-mentioned pipeline.Specifically, above-mentioned automatic exhaust steam valve 280 is located at pipeline position
At the top of indoor units.
Above-mentioned air-conditioner water system exhaust control device 100 includes control module 120, detection module 140, the and of control panel 160
Display screen 180.Above-mentioned control module 120 connects water pump 240, detection module 140, control panel 160 and display screen 180 respectively, inspection
Survey module 140 and connect above-mentioned control module 120 and water flow switch 260, control panel 160 and display screen 180 connect above-mentioned control respectively
Molding block 120.
Control module 120 receives extraneous open signal by control panel 160 and starts bleeding, starts water pump 240, and
Water pump 240 starts the shape that control detection module 140 after first scheduled time detects water flow switch 260 in continuous second scheduled time
State.Testing result is sent to above-mentioned control module 120 by above-mentioned detection module 140, and above-mentioned control module 120 is according to testing result
Control the operation of water pump 240：If testing result shows that the above-mentioned state of water flow switch 260 is disconnects in second scheduled time,
Above-mentioned water pump 240 is closed, and fault message is shown by above-mentioned display screen 180；If testing result showed for second scheduled time
The state of interior above-mentioned water flow switch 260 is closure, then controls above-mentioned water pump 240 to continue to run with.In the dynamic action of water pump 240
Under, the air in above-mentioned water circulation major loop discharges above-mentioned water system 200 by above-mentioned automatic exhaust steam valve 280.Above-mentioned control mould
Block 120 closes above-mentioned water pump 240 by receiving extraneous shutdown signal, stops above-mentioned bleeding.
The difference set according to indoor units water system 200, the water-flow circuit possible more than one of above-mentioned water system 200
Individual, only water circulation major loop is exhausted for air-conditioner water system exhaust control device 100 in the present embodiment.In other embodiments
In, above-mentioned air-conditioner water system exhaust control device 100 is settable to be arranged the water-flow circuit in water system 200 respectively respectively
Gas, until all water-flow circuits complete exhaust.If for example, being provided with four-way valve, triple valve on water circulation major loop
Or two-port valve（It is not shown）When, the difference set according to above-mentioned valve element can form multiple water-flow circuits.By in setting
Valve element is stated in specific a certain state, a specific water-flow circuit is formed, operation is exhausted；Then above-mentioned valve class is changed
Element state is converted to another water-flow circuit, proceeds bleeding, until all water-flow circuits are completed with exhaust behaviour
Make.
Specifically, above-mentioned first scheduled time is 10-20 seconds, second scheduled time was 25-35 seconds.In another embodiment,
Above-mentioned first scheduled time is 15 seconds, and second scheduled time was 30 seconds.In other examples, it can set above-mentioned as needed
First scheduled time and second scheduled time.
Above-mentioned display screen 180 may also be arranged on above-mentioned control panel 160, you can started by above-mentioned control panel 160,
Bleeding is closed, and carries out fault message and is shown.Specifically, above-mentioned fault message is the system failure or exhaust failure or current
The information such as switch fault.
Above-mentioned air-conditioner water system exhaust control device 100, passes through the water of independence control air conditioner system indoor units water system 200
Water pump 240 on circulation major loop is operated, realize and be automatically drained out air in water system 200, it is to avoid needed during conventional exhaust
Dismounting water pump 240 wiring, water pump 240 is controlled by force it is cumbersome, also in the absence of potential safety hazard.Also, it is above-mentioned can be real
It is existing it is self-bleeding on the basis of, also the water flow switch 260 on the water circulation major loop of water system 200 is monitored, it is to avoid as
When the failure of fruit water flow switch 260 or failure, cause the cisco unity malfunction of indoor units water system 200, further result in air-conditioning system
The impaired situation of other loads of uniting occurs, and is also overhauled beneficial to air-conditioning system.
It is the air-conditioning system schematic diagram of one embodiment of the invention shown in Fig. 3.
With reference to Fig. 3, a kind of air-conditioning system 300, including outdoor unit 320, indoor units 340 and air-conditioner water system exhaust control
Device 360 processed, air-conditioner water system exhaust control device 360 is above-mentioned air-conditioner water system exhaust control device 100.Above-mentioned outdoor
Machine 320 passes through heat exchanger with indoor units 340（It is not shown）In connection, the above-mentioned connection of air-conditioner water system exhaust control device 360
Indoor units 340 are stated, and control the water system of above-mentioned indoor units 340（It is not shown）Automatically it is vented.
Above-mentioned air-conditioning system 300 on the basis of with traditional heating mode, refrigeration mode, humidifying mode isotype,
Add automatic exhaust mode.User can pass through controller or control panel（It is not shown）On button, capable of being opened by one key or close on
State the automatic ventilating function of air-conditioning system 300.After above-mentioned automatic ventilating function is opened, air-conditioner water system exhaust control device 360
The water system of above-mentioned indoor units 340 is controlled to be vented automatically.Only when above-mentioned air-conditioning system 300 is not keyed up, it can be set
Exhaust mode.When above-mentioned exhaust mode starts, other patterns can not be started shooting or opened to air-conditioning system 300.In above-mentioned exhaust mode
Need to switch off the pump during unlatching, when only detecting water flow switch failure, occur only to show fault message during other failures, for example
Temperature-sensitive bag failure, sensor fault etc., but it is not turned off water pump.After if in the winter time, above-mentioned degassing function were opened, air-conditioning system
System 300 can enter the operation of winter automatic freezing-protective.
User can realize a key row gas by controller or control panel, simple, convenient, it is to avoid artificial dismounting water pump connects
The potential safety hazard that tape comes, self-bleeding setting enables air-conditioning system 300 to be run under stable hydraulic pressure, it is ensured that empty
The abundance of the inside water of adjusting system 300, is not in air, reduces the impaired probability of heat exchanger, also reduces because of air-conditioning system
300 water system water-carrying capacity deficiencies of uniting cause the frequent probability out of service of indoor units 340.
It is the air-conditioning system schematic diagram of another embodiment of the present invention shown in Fig. 4.
The water system for controlling indoor units to air-conditioner water system exhaust control device by taking embodiment illustrated in fig. 4 as an example below is entered
The self-bleeding process of row is further elaborated.
A kind of air-conditioning system, including outdoor unit（Figure is not marked）, indoor units（Figure is not marked）It is vented and controls with air-conditioner water system
Device processed（It is not shown）.Wherein, compressor 1, four-way valve 2, fin-pipe heat exchanger 3, filter 5 and electronics in outdoor unit
Expansion valve 6 is interconnected by pipeline and connects the plate type heat exchanger 7 in indoor units.Wherein, under fin-pipe heat exchanger 3
Side is provided with blower fan 4.
In indoor units, plate type heat exchanger 7, electrical auxiliary heater 10, water pump 8, current on water system water circulation major loop
Switch 11, electric T-shaped valve 12, electric two-way valve 13, buried heating coil pipe 15, filter 5 pass through pipeline connection.Automatic exhaust
Valve 9 is arranged on the top pipeline of indoor units, and by-passing valve 14 passes through the above-mentioned buried heating coil pipe in parallel of electric two-way valve 13
15, the above-mentioned buried heating coil pipe 15 in parallel of radiation recuperator 16, the pipe heat exchanger being placed in water tank 18（Figure is not marked）Pass through electricity
Dynamic triple valve 12 connects above-mentioned water circulation major loop, another pipe heat exchanger being placed in water tank 18（Figure is not marked）Connected by pipeline
Connect other heaters 17.The two ends of the connection outdoor unit of plate type heat exchanger 7 are respectively equipped with that plate changes liquid pipe temperature-sensitive bag R2T and plate is changed
Tracheae temperature-sensitive bag R3T, the two ends of the connection indoor units of plate type heat exchanger 7 are respectively equipped with that plate swaps out talent for swimming thermometer bulb R1T and plate is gained
Talent for swimming thermometer bulb R4T.Electrical auxiliary heater 10 connects and is additionally provided with safety valve 20 on expansion drum 19, electrical auxiliary heater 10, water pump 8
Delivery port provided with auxiliary water outlet temperature-sensitive bag R5T, be respectively equipped with the high water level of water tank 18 and at low water level water tank temperature-sensitive bag R6T and
Water tank temperature-sensitive bag R7T.
User passes through control panel（It is not shown）Start degassing function, air-conditioner water system exhaust control device（It is not shown）Control
The A-E directions of electric T-shaped valve 12 are closed, and A-B directions are opened, and control electric two-way valve 13 is opened, and current flow along C-D directions.
After above-mentioned valve generic operation is completed, air-conditioner water system exhaust control device control water pump 8, which is delayed 30 seconds, to be opened, and water pump 8 starts 15
After second, the state of water flow switch 11 is detected, judges that water flow switch 11 is disconnection or adhesive in 30 seconds, if continuous 30 seconds detect
Water flow switch 11 is off, then stops all loads of air-conditioning system（Including switching off the pump 8）, alarmed and passed through
Display on control panel shows fault message；If detecting within continuous 30 seconds water flow switch 11 is in attracting state, control
Water pump 8 is continued to run with, and other loads in addition to water pump 8 are failure to actuate.It is plate type heat exchanger 7, auxiliary by above-mentioned valve generic operation
Help electric heater 10, water pump 8, water flow switch 11, electric T-shaped valve 12, electric two-way valve 13, buried heating coil pipe 15 or radiation
Heat exchanger 16, filter 5 constitute water circulation major loop, under the dynamic action of water pump 8, the air in above-mentioned water circulation major loop
Above-mentioned water system is excluded by automatic exhaust steam valve 9 automatically.
After the bleeding for completing above-mentioned water circulation major loop, air-conditioner water system exhaust control device also can control above-mentioned
The conversion direction of electric T-shaped valve 12, turns on A-E directions, and A-B directions disconnect, and control electric two-way valve 13 is closed, now board-like
Heat exchanger 7, electrical auxiliary heater 10, water pump 8, water flow switch 11, electric T-shaped valve 12, the pipe heat exchanger being placed in water tank 18
Another water-flow circuit is constituted with filter 5.Air-conditioner water system exhaust control device continues to control the delay of water pump 8 to open for 30 seconds,
Water pump 8 detects the state of water flow switch 11 after starting 15 seconds, judge that water flow switch 11 is is opened or closed in 30 seconds, if continuously
Detect water flow switch 11 within 30 seconds to be off, then stop all loads of air-conditioning system, alarmed and by control
Display on plate shows fault message；If detecting within continuous 30 seconds water flow switch 11 is in attracting state, water pump 8 is controlled
Continue to run with, other loads in addition to water pump 8 are failure to actuate.By aforesaid operations, under the dynamic action of water pump 8, on
The air stated in water-flow circuit excludes above-mentioned water system automatically by automatic exhaust steam valve 9.
By aforesaid operations, air-conditioning system completes the bleeding of all water-flow circuits of water system.In different water
Under system is set, air-conditioner water system exhaust control device is by individually controlling the startup and closing of water pump, and completion is followed to each water
The bleeding of loop back path or water circulation major loop.User can complete the automatic exhaust to air-conditioning system, behaviour by a key operation
Make simple and safe.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of air-conditioner water system method of controlling exhaust gas, for controlling air-conditioning system indoor units water system to be vented automatically,
The water system includes heat exchanger, water pump and water flow switch, and the heat exchanger, water pump are sequentially connected with water flow switch by pipeline
And constitute automatic exhaust steam valve is set on water circulation major loop, the pipeline；It is characterised in that it includes following steps：
Open the water pump；
After the scheduled time of starting mode of pump first, the state of the water flow switch in continuous second scheduled time is detected；
If the state closes the water pump to disconnect；
If the state is closure, continue to run with air in the water pump, the water circulation major loop by it is described from
Dynamic air bleeding valve discharges the water system.
2. air-conditioner water system method of controlling exhaust gas according to claim 1, it is characterised in that first scheduled time is
10-20 seconds.
3. air-conditioner water system method of controlling exhaust gas according to claim 1, it is characterised in that second scheduled time is
25-35 seconds.
4. a kind of air-conditioner water system exhaust control device, for controlling air-conditioning system indoor units water system to be vented automatically,
The water system includes heat exchanger, water pump and water flow switch, and the heat exchanger, water pump are sequentially connected with water flow switch by pipeline
Constitute and automatic exhaust steam valve is set on water circulation major loop, the pipeline；It is characterised in that it includes：
Control module, connects the water pump, for being turned on and off the water pump；
Detection module, connects the control module and the water flow switch, for after the scheduled time of starting mode of pump first,
The state of the water flow switch in continuous second scheduled time is detected, and testing result is transferred to the control module；
The control module controls the operation of the water pump according to the testing result, if the state is closed to disconnect
The water pump；If the state is closure, the water pump is controlled to continue to run with；Air in the water circulation major loop leads to
Cross the automatic exhaust steam valve and be automatically drained out the water system.
5. air-conditioner water system exhaust control device according to claim 4, it is characterised in that first scheduled time is
10-20 seconds.
6. air-conditioner water system exhaust control device according to claim 4, it is characterised in that second scheduled time is
25-35 seconds.
7. air-conditioner water system exhaust control device according to claim 4, it is characterised in that also including control panel, connection
The control module, for receiving open signal or shutdown signal and being transferred to the control module.
8. air-conditioner water system exhaust control device according to claim 4, it is characterised in that also including display screen, connection
The control module；The control module closes the water pump according to the testing result, and shows event by the display screen
Hinder information.
9. a kind of air-conditioning system, including outdoor unit and indoor units, it is characterised in that also including any one of claim 4-8
Described air-conditioner water system exhaust control device, the air-conditioner water system exhaust control device connects the indoor units, is used for
The water system of the indoor units is controlled to be vented automatically.
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| CN201410079136.6A CN104896650B (en) | 2014-03-05 | 2014-03-05 | Air conditioning water system exhaust control method and device and air conditioning system |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106640678B (en) * | 2016-10-31 | 2023-11-28 | 佛山市顺德区美的电子科技有限公司 | Mobile air conditioner, water pumping device and water pumping method thereof |
| CN107477664A (en) * | 2017-07-10 | 2017-12-15 | 珠海格力电器股份有限公司 | Water system emptying control method and device |
| CN107449107B (en) * | 2017-07-13 | 2019-07-23 | 珠海格力电器股份有限公司 | Multi-module air conditioning unit water pump scheduling control method, water pump system and air conditioning unit |
| CN107957124B (en) * | 2017-11-15 | 2019-01-04 | 珠海格力电器股份有限公司 | Air conditioner pipeline system, air conditioner and air conditioner pipeline system exhaust method |
| CN107940694A (en) * | 2017-11-16 | 2018-04-20 | 珠海格力电器股份有限公司 | Exhaust protection control method and system of air conditioner |
| CN115507541B (en) * | 2022-09-26 | 2023-06-23 | 宁波奥克斯电气股份有限公司 | Water system, exhaust control method thereof, air conditioner and computer readable storage medium |
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