CN109682136A - Heat recovery multi-split air conditioner and vacuumizing method thereof - Google Patents
Heat recovery multi-split air conditioner and vacuumizing method thereof Download PDFInfo
- Publication number
- CN109682136A CN109682136A CN201910076943.5A CN201910076943A CN109682136A CN 109682136 A CN109682136 A CN 109682136A CN 201910076943 A CN201910076943 A CN 201910076943A CN 109682136 A CN109682136 A CN 109682136A
- Authority
- CN
- China
- Prior art keywords
- vacuumize
- compressors
- heat
- unit
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000011084 recovery Methods 0.000 title abstract 4
- 238000009434 installation Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000005086 pumping Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a heat recovery multi-connected air conditioner and a vacuumizing method thereof, wherein the vacuumizing method of the heat recovery multi-connected air conditioner comprises the following steps: judging the number of the on-line mode converters, if the number is correct, continuing the next step, otherwise, exiting the process; judging the number of the online indoor units; the unit controls the on-line mode converter and all electromagnetic valves and electronic expansion valves of the on-line indoor unit to be opened; at most, the liquid pipe valve and any gas pipe valve of the outdoor unit are vacuumized. The invention improves the engineering installation flexibility of the heat recovery multi-split air conditioner and reduces the vacuum condition.
Description
Technical field
The present invention relates to the methods that heat-reclamation multi-compressors and heat-reclamation multi-compressors vacuumize.
Background technique
Heat-reclamation multi-compressors be it is a kind of may be implemented to have simultaneously mechanism cold in part, in part mechanism heat multi-connected machine system
System.It is connected between its outdoor unit and indoor unit by mode converter, the effect of mode converter is machine pipeline and outer in controlling
The connection status of machine pipeline, to control the operational mode of indoor unit.
The outdoor unit of completely new multi-connected machine is filled with a certain amount of refrigerant, and without cold in mode converter and indoor unit
Matchmaker.In project installation, need first with copper pipe by outdoor unit, mode converter and copper pipe soldering connection used for indoor machine, then use
The valve port that vacuum pump is reserved from outdoor unit valve will be evacuated in copper pipe, mode converter and indoor unit, finally open room
Outer machine valve, completes the connection of entire air-conditioning system.
Under compressor emergency shutdown state, state is shut since electronic expansion valve of indoor unit is in, and the part in mode converter
Valve is also at closed state, and part dead zone, i.e. completely enclosed line segments can be formed in pipeline.Conventional heat-reclamation multi-compressors
System usually carries out in the standby state when vacuumizing, need outdoor unit, mode converter and indoor unit all it is electric and
Communication connection is complete, and at the same time from three valves (liquid pipe valve, high-pressure air pipe valve and low-pressure air pipe valve) of outdoor unit
It vacuumizes, just can guarantee and be cleaned the air in system completely.Need complete power supply, communication connection and enough
Vaccum-pumping equipment just can be carried out vacuum pumping.Vacuumized conditions are high when causing heat-reclamation multi-compressors to be installed in this way, project installation
Flexibility ratio is low.
Summary of the invention
In order to solve the high technical problem of the condition vacuumized when heat-reclamation multi-compressors installation in the prior art, the present invention is mentioned
Go out the method that heat-reclamation multi-compressors vacuumize, comprising steps of
Step 1, judge the quantity of online mode converter, if quantity is correct, continues next step, otherwise exit process；
Step 2, judge the quantity of online indoor unit；
Step 3, all solenoid valves and electric expansion valve of the online mode converter of unit allocation and online indoor unit are opened；
Step 4, it is at most vacuumized from the liquid pipe valve of outdoor unit and any one tracheae valve.
The step 1 specifically includes: unit identifies and counts the quantity of online mode converter, is judged by installation personnel
Whether the quantity of online mode converter is correct and to the machine group acknowledge.
The step 2 specifically includes: unit identifies and counts the quantity of online indoor unit, is judged by installation personnel online
Indoor unit quantity it is whether correct and to the machine group acknowledge.
When the quantity of the online indoor unit is correct, the step 4 is prompted from the liquid pipe valve of outdoor unit or two
It is vacuumized at any one valve in a tracheae valve, vacuum pumping is carried out by installation personnel.
When the quantity of the online indoor unit is incorrect, the step 4 is prompted from the liquid pipe valve of outdoor unit and two
It is vacuumized at any one valve in a tracheae valve, vacuum pumping is carried out by installation personnel.Alternatively, when described online
When the quantity of indoor unit is incorrect, process is exited.
Preferably, the unit receive installation personnel input vacuumize instruction after enter underpressure pattern, it is described
Step 1 is executed to 4 in the underpressure pattern.
Preferably, the unit receive installation personnel input vacuumize END instruction after, restore to indoor unit with
And the normal control of mode converter.
Specifically, the tracheae valve includes high-pressure air pipe valve and low-pressure air pipe valve.
The heat-reclamation multi-compressors that the present invention also protects the method in by adopting the above technical scheme to be vacuumized.
The present invention connects unit in vaccum-pumping equipment deficiency or indoor unit power supply and connection by special control
It connects and carries out vacuum pumping in incomplete situation, reduce the construction requirement of system installation, improve degree flexible for installation.
Detailed description of the invention
Below with reference to embodiment and attached drawing, the present invention is described in detail, in which:
Fig. 1 is piping connection schematic diagram of the invention.
Fig. 2 is of the invention to vacuumize flow chart.
Specific embodiment
The principle and embodiment that the invention will now be described in detail with reference to the accompanying drawings.
As shown in Figure 1, heat-reclamation multi-compressors include outdoor unit 1 and several indoor units 5, outdoor unit 1 has high-pressure air pipe
Valve 2, low-pressure air pipe valve 3 and liquid pipe valve 4, outdoor unit 1 and indoor unit 5 are connected by several mode converters 7.
As shown in Fig. 2, it is laggard that user can vacuumize instruction as the transmission of outer machine after the installation of heat-reclamation multi-compressors system
Enter underpressure pattern, can also default is exactly to vacuumize.
The first step, the identification of online mode converter.
In this step, if mode converter 7 does not power on all or the connection of the connection of mode converter 7
Imperfect, then all valve bodies of mode converter 7 are all that power down is closed, and the electronics for the indoor unit that mode converter 7 is connect is swollen
Swollen valve 8 is also to close, and the pipeline between the solenoid valve of the electric expansion valve 8 of indoor unit to mode converter 7 is also envelope at this time
It closes, will be unable to vacuumize.Therefore, unit first identifies quantity and the display of online mode converter 7, then by installation personnel
Confirmed.If it is confirmed that the quantity of mode converter 7 is correct, then enter in next step；If the quantity of mode converter 7 is wrong
Accidentally, can prompt " mode converter communication it is imperfect, can not vacuumize！" and exit whole flow process.
Second step, the identification of online indoor unit.
Unit identifies the quantity of online indoor unit 5 and display again, is then confirmed by installation personnel.If it is confirmed that room
Interior 5 quantity of machine is correct, then enters next step；If 5 quantity mistake of indoor unit, can choose entrance " special to vacuumize "
Or withdraw end whole flow process.
Third step, vacuum pumping.
If unit is in " special to vacuumize " state, i.e., the quantity of online mode converter 7 is correct, but has part
Indoor unit 5 is not attached to system, and the electric expansion valve 8 of indoor unit 5, which is in, shuts state, liquid pipe part pipeline and other parts
It may not be connected to, then unit can prompt installation personnel: " please from the liquid pipe valve of outdoor unit and at least one tracheae valve
It is vacuumized at door "；If normally vacuumizing, the electronics of all 7 solenoid valves of mode converter and indoor unit 5 is swollen in system at this time
Swollen valve 8 is opened, and is interconnected, can be vacuumized from any valve, unit can be mentioned to installation personnel between each pipeline of system
Show: " please being vacuumized from the valve of at least one outdoor unit ".At this point, installation personnel can connect vacuum pump according to the prompt of unit
Carry out vacuum pumping.
After unit vacuumizes, installation personnel can issue unit and vacuumize END instruction, all online in system
All components of mode converter 7 and online indoor unit 5 restore normal control.
It is vacuumized in control in described, unit can be fully open by the valve body in control system, protects to greatest extent
Card pipeline in there is no closed area, and prompt user it is minimum vacuumize requirement.Tradition is vacuumized in mode while being needed
Three vacuum pump interfaces, which are reduced to minimum of one vacuum pump interface, can be completed vacuum pumping；Electromechanical source it can also connect indoors
Connect or connection connect complete other online indoor units in incomplete situation vacuumize work.
Online indoor unit and mode converter described in the present invention refer to power supply, system can recognize
And the mode converter and indoor unit of outer machine control signal can be received.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of method that heat-reclamation multi-compressors vacuumize, which is characterized in that comprising steps of
Step 1, judge the quantity of online mode converter, if quantity is correct, continues next step, otherwise exit process；
Step 2, judge the quantity of online indoor unit；
Step 3, all solenoid valves and electric expansion valve of the online mode converter of unit allocation and online indoor unit are opened；
Step 4, it is at most vacuumized from the liquid pipe valve of outdoor unit and any one tracheae valve.
2. the method that heat-reclamation multi-compressors as described in claim 1 vacuumize, which is characterized in that the step 1 specifically includes:
Unit identifies and counts the quantity of online mode converter, judged by installation personnel online mode converter quantity whether
It is correct and to the machine group acknowledge.
3. the method that heat-reclamation multi-compressors as described in claim 1 vacuumize, which is characterized in that the step 2 specifically includes:
Unit identifies and counts the quantity of online indoor unit, judged from installation personnel the quantity of online indoor unit it is whether correct and to
The machine group acknowledge.
4. the method that heat-reclamation multi-compressors as described in claim 1 vacuumize, which is characterized in that when the online indoor unit
Quantity it is correct when, the step 4 prompts any one valve from the liquid pipe valve of outdoor unit or two tracheae valves
Place vacuumizes, and carries out vacuum pumping by installation personnel.
5. the method that heat-reclamation multi-compressors as described in claim 1 vacuumize, which is characterized in that when the online indoor unit
Quantity it is incorrect when, the step 4 prompts any one valve from the liquid pipe valve of outdoor unit and two tracheae valves
Place vacuumizes, and carries out vacuum pumping by installation personnel.
6. the method that heat-reclamation multi-compressors as described in claim 1 vacuumize, which is characterized in that when the online indoor unit
Quantity it is incorrect when, exit process.
7. the method that heat-reclamation multi-compressors as described in claim 1 vacuumize, which is characterized in that the unit is receiving peace
Dress personnel input vacuumize instruction after enter underpressure pattern, the step 1 to 4 executes in the underpressure pattern.
8. the method that heat-reclamation multi-compressors as described in claim 1 vacuumize, which is characterized in that the unit is receiving peace
After what dress personnel inputted vacuumizes END instruction, restore the normal control to indoor unit and mode converter.
9. the method that heat-reclamation multi-compressors as described in claim 1 vacuumize, which is characterized in that the tracheae valve is high pressure
Tracheae valve and low-pressure air pipe valve.
10. the heat-reclamation multi-compressors vacuumized using method as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910076943.5A CN109682136B (en) | 2019-01-27 | 2019-01-27 | Heat recovery multi-split air conditioner and vacuumizing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910076943.5A CN109682136B (en) | 2019-01-27 | 2019-01-27 | Heat recovery multi-split air conditioner and vacuumizing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109682136A true CN109682136A (en) | 2019-04-26 |
| CN109682136B CN109682136B (en) | 2019-12-03 |
Family
ID=66194753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910076943.5A Active CN109682136B (en) | 2019-01-27 | 2019-01-27 | Heat recovery multi-split air conditioner and vacuumizing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109682136B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594982A (en) * | 2020-12-31 | 2021-04-02 | 广东积微科技有限公司 | Vacuumizing control method of multi-split system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000146270A (en) * | 1998-11-12 | 2000-05-26 | Sharp Corp | Separate air conditioner and plug socket unit |
| KR100829187B1 (en) * | 2006-12-18 | 2008-05-14 | 삼성전자주식회사 | Electronic expansion valve and multi-type air conditioning system having a non-power valve |
| CN201926224U (en) * | 2010-11-29 | 2011-08-10 | 珠海格力电器股份有限公司 | Valve component and multi-split air conditioning system |
| CN102331066A (en) * | 2011-05-25 | 2012-01-25 | 宁波奥克斯电气有限公司 | Method for investigating indoor and outdoor communication fault points of VRV (Vacuum Reducer Valve) multi-connected air-condition unit |
| CN102384538A (en) * | 2011-07-05 | 2012-03-21 | 广东美的暖通设备限公司 | Three-pipe heat recovery multi-connected machine and control method thereof |
| CN203869388U (en) * | 2014-03-27 | 2014-10-08 | 广东志高暖通设备股份有限公司 | Connecting tool for test on VRF air conditioner |
| CN105402818A (en) * | 2015-12-22 | 2016-03-16 | 广东美的暖通设备有限公司 | Variable refrigerant flow system and gas exhausting method thereof |
| CN106568250A (en) * | 2016-10-28 | 2017-04-19 | 浙江飞越机电有限公司 | Refrigerant filling machine and method for carrying out vacuum-pumping, leakage detecting and refrigerant filling by utilizing refrigerant filling machine |
| CN108954997A (en) * | 2018-08-22 | 2018-12-07 | 长沙格力暖通制冷设备有限公司 | Air conditioner vacuumizing device and method |
| CN208254032U (en) * | 2018-05-17 | 2018-12-18 | 奥克斯空调股份有限公司 | A kind of connecting tooling and its air conditioner of multi-gang air-conditioner test |
-
2019
- 2019-01-27 CN CN201910076943.5A patent/CN109682136B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000146270A (en) * | 1998-11-12 | 2000-05-26 | Sharp Corp | Separate air conditioner and plug socket unit |
| KR100829187B1 (en) * | 2006-12-18 | 2008-05-14 | 삼성전자주식회사 | Electronic expansion valve and multi-type air conditioning system having a non-power valve |
| CN201926224U (en) * | 2010-11-29 | 2011-08-10 | 珠海格力电器股份有限公司 | Valve component and multi-split air conditioning system |
| CN102331066A (en) * | 2011-05-25 | 2012-01-25 | 宁波奥克斯电气有限公司 | Method for investigating indoor and outdoor communication fault points of VRV (Vacuum Reducer Valve) multi-connected air-condition unit |
| CN102384538A (en) * | 2011-07-05 | 2012-03-21 | 广东美的暖通设备限公司 | Three-pipe heat recovery multi-connected machine and control method thereof |
| CN203869388U (en) * | 2014-03-27 | 2014-10-08 | 广东志高暖通设备股份有限公司 | Connecting tool for test on VRF air conditioner |
| CN105402818A (en) * | 2015-12-22 | 2016-03-16 | 广东美的暖通设备有限公司 | Variable refrigerant flow system and gas exhausting method thereof |
| CN106568250A (en) * | 2016-10-28 | 2017-04-19 | 浙江飞越机电有限公司 | Refrigerant filling machine and method for carrying out vacuum-pumping, leakage detecting and refrigerant filling by utilizing refrigerant filling machine |
| CN208254032U (en) * | 2018-05-17 | 2018-12-18 | 奥克斯空调股份有限公司 | A kind of connecting tooling and its air conditioner of multi-gang air-conditioner test |
| CN108954997A (en) * | 2018-08-22 | 2018-12-07 | 长沙格力暖通制冷设备有限公司 | Air conditioner vacuumizing device and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594982A (en) * | 2020-12-31 | 2021-04-02 | 广东积微科技有限公司 | Vacuumizing control method of multi-split system |
| CN112594982B (en) * | 2020-12-31 | 2022-12-13 | 广东积微科技有限公司 | Vacuumizing control method of multi-split system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109682136B (en) | 2019-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107429957B (en) | Refrigeration cycle device and refrigeration cycle system | |
| KR102198512B1 (en) | Apparatus and method for controlling referigerant leakake in multi type air conditioner | |
| EP1666806A2 (en) | Multi-air condition system and method for controlling the same | |
| CN202747484U (en) | Air conditioner | |
| CN114127480A (en) | Refrigeration cycle system | |
| CN109282423B (en) | Method for detecting communication connection error of heat recovery multi-split air conditioning system and heat recovery multi-split air conditioning system | |
| CN105674647B (en) | Defrosting control method for variable-capacity compressor system | |
| US20150052923A1 (en) | Air conditioner | |
| WO2021199163A1 (en) | Air conditioning system | |
| JPH109692A (en) | Air conditioner | |
| EP2770279A1 (en) | Air conditioner outdoor unit and air conditioner | |
| EP3663681B1 (en) | Refrigeration device | |
| CN109682136B (en) | Heat recovery multi-split air conditioner and vacuumizing method thereof | |
| CN102353116A (en) | Explosion-proof control method of multi-connected air conditioning unit at runtime | |
| CN111076279A (en) | Control method for updating multi-split air conditioning system and multi-split air conditioning system updating method | |
| CN104848487B (en) | Intelligent maintenance control system and method | |
| KR100631539B1 (en) | Communication line error union line detection system and method for multi type air conditioner | |
| CN201476183U (en) | Detachable air conditioner capable of quick connecting indoor and outdoor sets | |
| CN110260420A (en) | air conditioner and air conditioner refrigerant recovery control method | |
| EP3872408B1 (en) | Water filling method for an air conditioner | |
| CN114729769A (en) | Air conditioner | |
| CN112594982B (en) | Vacuumizing control method of multi-split system | |
| CN215809519U (en) | Refrigerant recovery device and refrigerant recovery system with same | |
| CN205505478U (en) | Variable-capacity compressor system and air conditioner | |
| US12066201B2 (en) | Air conditioning system having a normal control mode and multi-tenant control mode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |