CN108181124A - A kind of air-conditioner set joint debugging fixture system and its control method - Google Patents
A kind of air-conditioner set joint debugging fixture system and its control method Download PDFInfo
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- CN108181124A CN108181124A CN201810094111.1A CN201810094111A CN108181124A CN 108181124 A CN108181124 A CN 108181124A CN 201810094111 A CN201810094111 A CN 201810094111A CN 108181124 A CN108181124 A CN 108181124A
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- control valve
- air
- conditioner set
- indoor
- heat exchanger
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The present invention relates to a kind of air-conditioner set joint debugging fixture system and its control methods, the system comprises indoor unit (21), oil eliminator (2), heat exchanger (3), the first fluid reservoir (4), the second fluid reservoir (8), refrigerated medium pump (10) and condenser (7), the indoor unit (21), oil eliminator (2), heat exchanger (3), the first fluid reservoir (4) are in turn connected to form indoor circulation circuit by pipeline；The condenser (7), the second fluid reservoir (8), refrigerated medium pump (10) are in turn connected to form outdoor circulation loop by pipeline.The present invention can switch over indoor and outdoor independent operation mode and connect operational mode with indoor and outdoor according to outdoor environment temperature and indoor thermal load demands, so that the lubricating oil return of air-conditioner set compressor in commissioning operational process is stablized, so as to improve stability and reliability after air-conditioner set manufacture.
Description
Technical field
The present invention relates to air-conditioner set testing field, more specifically to a kind of air-conditioner set joint debugging fixture system and
Its control method.
Background technology
Air-conditioning production line can be extracted some or all of in production joint debugging link after machine unit is completed indoors at present
Unit connect with outdoor condenser and runs debugging, to identify room conditioning unit operation risk that may be present and assembling
Problem.The joint debugging system that air-conditioning production line uses at present is as shown in Figure 1.
Joint debugging systematic difference scheme shown in FIG. 1 can have the following problems：Since the debugging position of indoor unit 21 is located at
Production line, for large-size air conditioning unit, 7 volume of complementary condenser is larger, since workshop inner space and dissipating-heat environment limit,
Condenser 7 is often placed on roof needed for joint debugging system, and therefore, entire joint debugging system connecting line is longer.Indoor unit 21 and room
After outer machine is connected by quick coupling, in commissioning operational process, the compressor lubricant oil in indoor unit 21 is taken out of by refrigerant
After need just return to compressor by long pipe road.Therefore, compressor oil return can be caused unstable during joint debugging, after debugging
There are compressor lubricant oils to become the more or situation that tails off for air-conditioner set, for oil starvation unit, stability after air-conditioner set manufacture and
Reliability can be deteriorated.
Invention content
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides a kind of air-conditioner set connection
Adjust fixture system.
The technical solution adopted by the present invention to solve the technical problems is：A kind of air-conditioner set joint debugging fixture system is constructed,
Including indoor unit 21, oil eliminator 2, heat exchanger 3, the first fluid reservoir 4, the second fluid reservoir 8, refrigerated medium pump 10 and condenser 7；
The indoor unit 21, oil eliminator 2, heat exchanger 3, the first fluid reservoir 4 are in turn connected to form indoor circulation circuit by pipeline；Institute
It states condenser 7, the second fluid reservoir 8, refrigerated medium pump 10, heat exchanger 3 and outdoor circulation loop is in turn connected to form by pipeline.
In air-conditioner set joint debugging fixture system of the present invention, the refrigerated medium pump 10 is the outdoor circulation loop
Power is provided, under the action of the refrigerated medium pump 10, the refrigerant in the outdoor refrigeration cycle flows through the heat exchange
Device 3 carries out heat exchange with the refrigerant in the indoor circulation circuit；The heat exchanger 3 includes plate heat exchanger, shell-tube type changes
One kind in hot device, evaporation cold heat exchanger.
In air-conditioner set joint debugging fixture system of the present invention, the air-conditioner set joint debugging fixture system further includes
One control valve 9, the second control valve 13, first pressure sensor 18, second pressure sensor 19, third pressure sensor 17 and
Temperature sensor 16；Second fluid reservoir 8 through first control valve 9 and the first pressure sensor 18 with it is described
Refrigerated medium pump 10 connects, and the refrigerated medium pump 10 is connect through the second pressure sensor 19 with the heat exchanger 3, the condensation
Device 7 is connect through second control valve 13, third pressure sensor 17 and temperature sensor 16 with the heat exchanger 3.
In air-conditioner set joint debugging fixture system of the present invention, the air-conditioner set joint debugging fixture system further includes
One quick coupling 22, the second quick coupling 23；First fluid reservoir 4 is through first quick coupling 22 and the indoor unit
Inlet tube connects, and the outlet of the indoor unit is connect through second quick coupling 23 with the oil eliminator 2.
In air-conditioner set joint debugging fixture system of the present invention, the air-conditioner set joint debugging fixture system further includes
Three control valves 11, the 4th control valve 15, first quick coupling 22 is through the third control valve 11 and first fluid reservoir
4 connections, the heat exchanger 3 are connect through the 4th control valve 15 with the oil eliminator 2.
In air-conditioner set joint debugging fixture system of the present invention, the air-conditioner set joint debugging fixture system further includes
Five control valves 12, the 6th control valve 14, second fluid reservoir 8 is through the 5th control valve 12 and first quick coupling
22 connections, the oil eliminator 2 are connect through the 6th control valve 14 with the condenser 7.
In air-conditioner set joint debugging fixture system of the present invention, first control valve 9, the second control valve 13,
Three control valves 11, the 4th control valve 15, the 5th control valve 12 and the 6th control valve 14 include one kind in solenoid valve, ball valve.
The present invention also provides a kind of control methods of the air-conditioner set joint debugging fixture system, include the following steps：
Step 1: according to the nominal refrigerating capacity Q of indoor commissioning air-conditioner set and outdoor environment temperature Tout, initial option mould
Formula 1；The pattern 1 is when first control valve 9, the second control valve 13, third control valve 11, the 4th control valve 15 are beaten
Open, and when the 5th control valve 12 and the 6th control valve 14 are turned off the system indoor and outdoor independent operation mode；
Step 2: as Q >=QSAnd Tout≥TsWhen, start-up mode 2；QSNominal refrigeration for default indoor commissioning air-conditioner set
Amount, Ts are indoor environment temperature, and pattern 2 is when first control valve, the second control valve 13, third control valve the 11, the 4th are controlled
Valve 15 processed is turned off, and when the 5th control valve 12 and the 6th control valve 14 are opened the system indoor and outdoor connection fortune
Row pattern.
It is further comprising the steps of in the control method of the air-conditioner set joint debugging fixture system of the present invention：
Step 3: in the pattern 1, the refrigerated medium pump runs a period of time t1 with rotating speed 100% after booting；
Step 4: according to the temperature sensor 16 and the test value of third pressure sensor 17, the heat exchange is calculated
The degree of superheat T1 of the outside of device 3 sets target superheat degree as T2；
Step 5: as T1 ＞ T2, the rotating speed of detection current refrigerant pump if the rotating speed is less than 100%, increases institute
State rotating speed；If the rotating speed is equal to 100%, switch the system into the pattern 2；As T1=T2, then described in maintenance
Pattern 1 is run；As T1 ＜ T2, then reduce the rotating speed.
Implement the air-conditioner set joint debugging fixture system and its control method of the present invention, have the advantages that：The present invention
Indoor and outdoor independence commissioning operational mode can be switched over according to outdoor environment temperature and indoor thermal load demands and indoor and outdoor connects
Connect commissioning operational mode；Also, the present invention shortens air-conditioner set joint debugging fixture system and returns by optimizing indoor and outdoor circulation loop
The length of oil pipe line so that the lubricating oil return of air-conditioner set compressor in commissioning operational process is stablized, so as to improve sky
Adjust the stability and reliability after unit manufacture.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing：
Fig. 1 is the schematic block diagram of air-conditioner set joint debugging system of the prior art；
Fig. 2 is a kind of schematic block diagram of air-conditioner set joint debugging fixture system embodiment one of the present invention；
Fig. 3 is a kind of schematic block diagram of air-conditioner set joint debugging fixture system embodiment two of the present invention；
Fig. 4 is the logical flow chart of the control method of the air-conditioner set joint debugging fixture system in Fig. 2.
Specific embodiment
As shown in Fig. 2, in a kind of schematic block diagram of air-conditioner set joint debugging fixture system embodiment one of the present invention, packet
Indoor unit 21, oil eliminator 2, heat exchanger 3, the first fluid reservoir 4, the second fluid reservoir 8, refrigerated medium pump 10 and condenser 7 are included, it can
With understanding, indoor unit 21 includes throttle valve 5, evaporator 6 and compressor 1.
It should be understood that indoor unit 21, oil eliminator 2, heat exchanger 3, the first fluid reservoir 4 are in turn connected to form by pipeline
Indoor circulation circuit；Condenser 7, the second fluid reservoir 8, refrigerated medium pump 10 are in turn connected to form outdoor circulation loop by pipeline.
Indoor and outdoor circulation loop is exchanged heat by heat exchanger 3, i.e., refrigerated medium pump 10 provides power for outdoor circulation loop, in refrigerant
Under the action of pump 10, the refrigerant in outdoor refrigeration cycle flow through refrigerant in heat exchanger 3 and indoor circulation circuit into
Row heat exchange.
It should be understood that heat exchanger 3 includes one kind in plate heat exchanger, shell and tube exchanger, evaporation cold heat exchanger.
It should be understood that the air-conditioner set joint debugging fixture system in the present invention further includes the first control valve 9, the second control valve
13rd, third control valve 11, the 4th control valve 15, the 5th control valve 12, the 6th control valve 14, the first quick coupling 22, second are fast
Quick coupling 23, first pressure sensor 18, second pressure sensor 19, third pressure sensor 17 and temperature sensor 16；
Second fluid reservoir 8 is connect through the first control valve 9 and first pressure sensor 18 with refrigerated medium pump 10, and refrigerated medium pump 10 is through
Two pressure sensors 19 are connect with heat exchanger 3, and condenser 7 is passed through the second control valve 13, third pressure sensor 17 and temperature
Sensor 16 is connect with heat exchanger 3；Throttle valve 5 is connect through the first quick coupling 22 with the first fluid reservoir 4, and compressor 1 is fast through second
Quick coupling 23 is connect with oil eliminator 2；First quick coupling 22 is connect through third control valve 11 with the first fluid reservoir 4, heat exchanger 3
It is connect through the 4th control valve 15 with oil eliminator 2；Second fluid reservoir 8 is connect through the 5th control valve 12 with the first quick coupling 22,
Oil eliminator 2 is connect through the 6th control valve 14 with condenser 7.
It should be understood that the refrigerant in indoor and outdoor circulation loop in the present invention can be R22/R410A/R134A/
R407C etc..
It should be understood that in the schematic block diagram of air-conditioner set joint debugging fixture system embodiment one shown in Fig. 2, joint debugging work
20 are filled to connect with condenser 7 by copper pipe.
It should be understood that the first control valve 9, the second control valve 13, third control valve 11, the 4th control valve the 15, the 5th are controlled
12 and the 6th control valve 14 of valve processed includes one kind in solenoid valve, ball valve.
Fig. 2 shows the present invention air-conditioner set joint debugging fixture system embodiment one schematic block diagram in, first control
Valve 9, the second control valve 13, third control valve 11, the 4th control valve 15, the 5th control valve 12 and the 6th control valve 14 are electricity
Magnet valve.When the first control valve 9, the second control valve 13, third control valve 11, the 4th control valve 15 are opened, the 5th control valve 12
And the 6th control valve 14 when being turned off, the fixture system of air-conditioner set joint debugging at this time is in indoor and outdoor independent operation mode, indoor
Circulation loop will be in indoor heat transfer to outdoor circulation loop by heat exchanger 3.Refrigerant in indoor circulation circuit leads to
After overcompression machine 1 is discharged, by oil eliminator 2, enter back into heat exchanger 3 and transfer heat to outside refrigerant, system after cooling
Cryogen enters the first fluid reservoir 4, by throttle valve 5, enters back into evaporator 6 and absorbs heat, finally enter compressor 1 and complete interior
Cycle.For outdoor circulation loop, refrigerant is become by the heat of refrigerant on the inside of 3 absorption chamber of heat exchanger in outdoor circulation loop
After high-temperature gas, radiate into condenser 7, refrigerant after cooling enter the second fluid reservoir 8, then by refrigerated medium pump 10 into
Enter heat exchanger 3 and complete entire outdoor cycle.
It should be understood that when the first control valve 9, the second control valve 13, third control valve 11, the 4th control valve 15 close
It closes, when the 5th control valve 12 and the 6th control valve 14 are opened, the fixture system of air-conditioner set joint debugging at this time is in indoor and outdoor company
Operational mode is connect, as shown in a kind of schematic block diagram of air-conditioner set joint debugging fixture system embodiment two of Fig. 3 present invention, is freezed at this time
Agent is cooled down by compressor 1, oil eliminator 2 by condenser 7, and into the second fluid reservoir 8, it is low to become low temperature by throttle valve 5
Pressure condition, then heat is absorbed by evaporator 6, it finally enters compressor 1 and completes cycle.At this time the entire circulatory system with it is original
The circulating path of adjusting system is consistent.
It should be understood that it can be born between above two operational mode according to outdoor environment temperature and indoor circulation circuit heat
Load demand is controlled and is switched：When outdoor environment temperature is relatively low, air-conditioner set joint debugging fixture system is according to indoor and outdoor independence
Operational mode is run, and the refrigerant of outdoor circulation loop can adequately be radiated, then inhaled by heat exchanger 3 by condenser 7
The heat in indoor circulation circuit is received, the degree of superheat that the rotating speed of refrigerated medium pump 10 is then exported by heat exchanger 3 is adjusted, and determines
Outside flow system flow size；When outdoor environment temperature is higher, condenser 7 exchange heat deficiency when, then be converted to indoor and outdoor connection
Operational mode.
As shown in figure 4, the control method of the air-conditioner set joint debugging fixture system of the present invention includes the following steps：Step 1:
According to the nominal refrigerating capacity Q of indoor commissioning unit and outdoor environment temperature Tout, initial option pattern 1；Pattern 1 is only for indoor and outdoor
Vertical operational mode.
Step 2: as Q >=QSAnd Tout≥TsWhen, start-up mode 2；QSNominal refrigeration for default indoor commissioning air-conditioner set
Amount, TsTo preset outdoor environment temperature, pattern 2 connects operational mode for indoor and outdoor.
It is appreciated that, QSAnd TsIt can be set according to the condenser 7 of actual disposition.
It is further comprising the steps of for more energy saving and raising air-conditioner set joint debugging fixture system stability：
Step 3: in mode 1, refrigerated medium pump 10 runs a period of time t1 with rotating speed 100% after booting.
Step 4: according to temperature sensor 16 and the test value of third pressure sensor 17, the outdoor of heat exchanger 3 is calculated
The degree of superheat T1 of side sets target superheat degree as T2.
Step 5: as T1 ＞ T2, the rotating speed of detection current refrigerant pump 10 increases if current rotating speed is less than 100%
Rotating speed；If current rotating speed is equal to 100%, pattern 2 is switched into；
As T1=T2, then present mode 1 is maintained to run；
As T1 ＜ T2, then reduce the rotating speed of refrigerated medium pump 10.
The present invention can switch over indoor and outdoor independent operation mode according to outdoor environment temperature and indoor thermal load demands
Operational mode is connected with indoor and outdoor so that the lubricating oil return of compressor of the air-conditioner set in commissioning operational process in indoor unit
Stablize, so as to improve stability and reliability after air-conditioner set manufacture.
It should be understood that above example only expresses the preferred embodiment of the present invention, description is more specific and detailed
Carefully, but can not the limitation to the scope of the claims of the present invention therefore be interpreted as；It should be pointed out that the common skill for this field
For art personnel, without departing from the inventive concept of the premise, above-mentioned technical characterstic can be freely combined, can also done
Go out several modifications and improvements, these belong to protection scope of the present invention；Therefore, it is all to be done with scope of the invention as claimed
Equivalents and modification, should all belong to the covering scope of the claims in the present invention.
Claims (10)
1. a kind of air-conditioner set joint debugging fixture system, which is characterized in that including indoor unit (21), oil eliminator (2), heat exchanger
(3), the first fluid reservoir (4), the second fluid reservoir (8), refrigerated medium pump (10) and condenser (7)；The indoor unit (21), oil
Indoor circulation circuit is in turn connected to form by pipeline from device (2), heat exchanger (3), the first fluid reservoir (4)；The condenser
(7), the second fluid reservoir (8), refrigerated medium pump (10), heat exchanger (3) are in turn connected to form outdoor circulation loop by pipeline.
2. air-conditioner set joint debugging fixture system according to claim 1, which is characterized in that the refrigerated medium pump (10) is institute
It states outdoor circulation loop and power is provided, under the action of the refrigerated medium pump (10), the system in the outdoor refrigeration cycle
Cryogen flows through the heat exchanger (3) and carries out heat exchange with the refrigerant in the indoor circulation circuit.
3. air-conditioner set joint debugging fixture system according to claim 1, which is characterized in that the heat exchanger (3) is including plate
One kind in formula heat exchanger, shell and tube exchanger, evaporation cold heat exchanger.
4. air-conditioner set joint debugging fixture system according to claim 1, which is characterized in that further include the first control valve (9),
Second control valve (13), first pressure sensor (18), second pressure sensor (19), third pressure sensor (17) and temperature
Spend sensor (16)；Second fluid reservoir (8) through first control valve (9) and the first pressure sensor (18) with
Refrigerated medium pump (10) connection, the refrigerated medium pump (10) is through the second pressure sensor (19) and the heat exchanger (3)
Connection, the condenser (7) through second control valve (13), third pressure sensor (17) and temperature sensor (16) with
Heat exchanger (3) connection.
5. air-conditioner set joint debugging fixture system according to claim 4, which is characterized in that further include the first quick coupling
(22), the second quick coupling (23)；First fluid reservoir (4) through first quick coupling (22) and the indoor unit into
Mouth pipe connection, the outlet of the indoor unit are connect through second quick coupling (23) with the oil eliminator (2).
6. air-conditioner set joint debugging fixture system according to claim 5, which is characterized in that further include third control valve
(11), the 4th control valve (15), first quick coupling (22) is through the third control valve (11) and first fluid reservoir
(4) it connects, the heat exchanger (3) connect through the 4th control valve (15) with the oil eliminator (2).
7. air-conditioner set joint debugging fixture system according to claim 6, which is characterized in that further include the 5th control valve
(12), the 6th control valve (14), second fluid reservoir (8) is through the 5th control valve (12) and first quick coupling
(22) it connects, the oil eliminator (2) connect through the 6th control valve (14) with the condenser (7).
8. air-conditioner set joint debugging fixture system according to claim 7, which is characterized in that first control valve (9),
Two control valves (13), third control valve (11), the 4th control valve (15), the 5th control valve (12) and the 6th control valve (14) packet
Include one kind in solenoid valve, ball valve.
9. a kind of control method of air-conditioner set joint debugging fixture system according to any one of claims 8, which is characterized in that including following step
Suddenly：
Step 1: according to the nominal refrigerating capacity Q of indoor commissioning air-conditioner set and outdoor environment temperature Tout, initial option pattern 1；
The pattern 1 is when first control valve (9), the second control valve (13), third control valve (11), the 4th control valve (15) are equal
Open, and when the 5th control valve (12) and the 6th control valve (14) are turned off the system indoor and outdoor independent operating mould
Formula；
Step 2: as Q >=QSAnd Tout≥TsWhen, start-up mode 2；QSFor the nominal refrigerating capacity of default indoor commissioning air-conditioner set, Ts
To preset outdoor environment temperature, pattern 2 is as first control valve, the second control valve (13), third control valve (11), the 4th
Control valve (15) is turned off, and when the 5th control valve (12) and the 6th control valve (14) are opened the system interior
Outer connection operational mode.
10. the control method of air-conditioner set joint debugging fixture system according to claim 9, which is characterized in that further include with
Lower step,
Step 3: in the pattern 1, the refrigerated medium pump (10) runs a period of time t1 with rotating speed 100% after booting；
Step 4: according to the temperature sensor (16) and the test value of third pressure sensor (17), the heat exchange is calculated
The degree of superheat T1 of the outside of device (3) sets target superheat degree as T2；
Step 5: as T1 ＞ T2, the rotating speed of detection current refrigerant pump (10) if the rotating speed is less than 100%, increases institute
State rotating speed；If the rotating speed is equal to 100%, switch the system into the pattern 2；As T1=T2, then described in maintenance
Pattern 1 is run；As T1 ＜ T2, then reduce the rotating speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094111.1A CN108181124B (en) | 2018-01-31 | 2018-01-31 | Air conditioning unit joint debugging tool system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094111.1A CN108181124B (en) | 2018-01-31 | 2018-01-31 | Air conditioning unit joint debugging tool system and control method thereof |
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| Publication Number | Publication Date |
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| CN108181124A true CN108181124A (en) | 2018-06-19 |
| CN108181124B CN108181124B (en) | 2023-05-05 |
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ID=62551735
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| Publication number | Publication date |
|---|---|
| CN108181124B (en) | 2023-05-05 |
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