CN207976235U - Heat exchange flowmeter and harvester in a kind of multi-connected air conditioning system - Google Patents
Heat exchange flowmeter and harvester in a kind of multi-connected air conditioning system Download PDFInfo
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- CN207976235U CN207976235U CN201820142366.6U CN201820142366U CN207976235U CN 207976235 U CN207976235 U CN 207976235U CN 201820142366 U CN201820142366 U CN 201820142366U CN 207976235 U CN207976235 U CN 207976235U
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 100
- 239000003921 oil Substances 0.000 claims description 74
- 239000007788 liquid Substances 0.000 claims description 49
- 239000010725 compressor oil Substances 0.000 claims description 30
- 230000008676 import Effects 0.000 claims description 20
- 239000000203 mixture Substances 0.000 description 51
- 239000003507 refrigerant Substances 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 238000007707 calorimetry Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241001124569 Lycaenidae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model provides heat exchange flowmeter and harvester in a kind of multi-connected air conditioning system, wherein, the heat exchange flowmeter includes pressure acquisition device (10), temperature collecting device (20), electric energy collection device (30) and processor (40), pressure acquisition device (10), entrance and exit in each component of multi-connected air conditioning system is arranged in temperature collecting device (20), each state parameter for acquiring multi-connected air conditioning system, electric energy collection device (30) acquires the total consumed power of compressor (21), processor (40) is connect with above-mentioned each harvester respectively, and obtain the parameter of above-mentioned each device acquisition, and calculate the heat exchange amount of multi-connected air conditioning system.By the flowmeter that exchanges heat in multi-connected air conditioning system provided by the utility model, solve the problems, such as that the heat exchange flowmeter of multi-connected air conditioning system in the prior art and harvester can influence multi-connected air conditioning system operating status.
Description
Technical field
The utility model is related to the flowmeter technical fields that exchanges heat, and in particular to heat exchange amount in a kind of multi-connected air conditioning system
Measuring instrument and harvester.
Background technology
Multi-connected air conditioning system in actual use, due to weather conditions, installation site, service condition and load item
The influence of the factors such as part, live runnability with to test indoor test performance gap larger, therefore, actual measurement multiple air conditioner
The actual performance of adjusting system in use is always urgent problem to be solved in industry.Currently, the in-site measurement of power consumption
Technical comparing is ripe, but (heat) amount of freezing then can not be measured accurately, therefore is difficult to analyze the actual performance of multi-connected air conditioning system,
It is unfavorable for the optimization operation and management of multi-connected air conditioning system.
In the prior art, for multi-connected air conditioning system on-site performance, mainly start with from the outside of refrigeration cycle,
Room air enthalpy potential method and outdoor air enthalpy potential method is used to measure, when using above two method, due to item at the scene
Because air flow field is unevenly distributed under part, therefore its air quantity can not be measured accurately；If measured using outer wind channel mode, again
The problem of by influencing the operating status of refrigeration heat pump system, causing test result that cannot reflect actual conditions.At the scene of engineering
Under the conditions of, according to inserting-type flowmeter, i.e., incoming stream gauge is to measure the flow of refrigerant, then necessary on refrigerant tubing
Refrigerant tubing is destroyed, the reliability for influencing multi-connected air conditioning system even damages multi-connected air conditioning system, thus the measurement fills
It sets and does not have exploitativeness.
Utility model content
In view of this, the utility model embodiment provides heat exchange flowmeter and acquisition in a kind of multi-connected air conditioning system
Device, to solve, the heat exchange flowmeter of multi-connected air conditioning system and harvester can influence multi-connected air conditioner system in the prior art
The problem of operating status of system.
The utility model embodiment provides the flowmeter that exchanges heat in a kind of multi-connected air conditioning system, the multi-connected air conditioner
The entrance of the exhaust outlet connection oil eliminator of the compressor of system, the first outlet of the oil eliminator connect the compressor
Air entry, the entrance of the second outlet connection four-way valve of the oil eliminator, the first outlet junction chamber of the four-way valve change outside
The entrance of hot device, outdoor heat exchanger outlet connection recooler entrance, gas-liquid separator first entrance connection described in it is cold again
The bypass circulation of device exports, and second entrance connects the second outlet of the four-way valve, and the outlet of the gas-liquid separator connects institute
The entrance of compressor, the major loop outlet connection indoor heat exchanger of the recooler are stated, the measuring instrument includes：Pressure acquisition fills
It sets, including：The air entry in the compressor is arranged in first pressure sensor, the pressure of inspiration(Pi) for acquiring the compressor；
The exhaust outlet in the compressor is arranged in second pressure sensor, the pressure at expulsion for acquiring the compressor；Temperature acquisition
Device, including：The second outlet in the four-way valve is arranged in 5th temperature sensor, and second for acquiring the four-way valve
5th temperature in exit；7th temperature sensor is arranged in the outlet of the bypass circulation of the recooler, described for acquiring
7th temperature in the exit of the bypass circulation of recooler；8th temperature sensor is arranged the import in the four-way valve, is used for
Acquire the 8th temperature of the entrance of the four-way valve；The import in the recooler is arranged, for adopting in tenth temperature sensor
Collect the tenth temperature of the entrance of the recooler；11st temperature sensor, the major loop being arranged in the recooler go out
Mouthful, the 11st temperature of the outlet of the major loop for acquiring the recooler；12nd temperature sensor is arranged in the pressure
The surface of shell of contracting machine, the casing surface temperature for acquiring the compressor；Tenth three-temperature sensor, it is described for acquiring
Environment temperature around compressor；Electric energy collection device, including compressor horsepower sensor, connect with the compressor, are used for
Acquire the total consumed power of the compressor；Processor, respectively with the pressure acquisition device, temperature collecting device and the electricity
Energy harvester connection, for obtaining the first gathered data, first gathered data includes：The pressure of inspiration(Pi) of the compressor
With pressure at expulsion, the 5th temperature, the 7th temperature, the 8th temperature, the tenth temperature, the 11st temperature
The total consumed power of environment temperature, the compressor around degree, the casing surface temperature of the compressor, the compressor,
And the heat exchange amount of the multi-connected air conditioning system is calculated according to first gathered data.
Optionally, the multi-connected air conditioning system further includes：Electromagnetic valve outlet oil return capillary, the electromagnetic valve outlet return
The entrance of oily capillary is connect with the entrance of the four-way valve, outlet and the four-way of the electromagnetic valve outlet oil return capillary
The second outlet of valve connects, and the temperature collecting device further includes：Third temperature sensor is arranged in the gas-liquid separator
Outlet, the third temperature in the exit for acquiring the gas-liquid separator；4th temperature sensor is arranged in the solenoid valve
Export the outlet of oil return capillary, the 4th temperature in the exit for acquiring the electromagnetic valve outlet oil return capillary；6th
The second entrance in the gas-liquid separator is arranged in temperature sensor, at the second entrance for acquiring the gas-liquid separator
The 6th temperature；The second outlet in the oil eliminator is arranged in 14th temperature sensor, for measuring the oil eliminator
Second outlet at the 14th temperature；The processor obtains the second gathered data, and second gathered data includes：It is described
The pressure of inspiration(Pi) and pressure at expulsion of compressor, the third temperature, the 4th temperature, the 5th temperature, the 6th temperature
Degree, the 7th temperature, the 11st temperature, the 14th temperature, the casing surface temperature of the compressor, the pressure
The total consumed power of environment temperature, the compressor around contracting machine, and calculated according to second gathered data described more
The heat exchange amount of connection formula air-conditioning system.
Optionally, the multi-connected air conditioning system further includes：Compressor oil return capillary, the compressor oil return capillary
Entrance and the first outlet of oil eliminator connect, outlet and the air inlet of the compressor of the compressor oil return capillary
Connection, the temperature collecting device further include：The air entry in the compressor is arranged, for acquiring in first temperature sensor
First temperature of the air entry of the compressor；Second temperature sensor is arranged in the outlet of the compressor oil return capillary,
Second temperature for the exit for acquiring the compressor oil return capillary；15th temperature sensor is arranged in the pressure
The outlet of contracting machine, the 15th temperature in the exit for acquiring the compressor；The processor obtains third gathered data,
The third gathered data includes：The pressure of inspiration(Pi) and pressure at expulsion of the compressor, first temperature, second temperature
Degree, the third temperature, the 4th temperature, the 5th temperature, the 6th temperature, the 7th temperature, the described tenth
It is one temperature, the 15th temperature, the casing surface temperature of the compressor, the environment temperature around the compressor, described
The total consumed power of compressor, and calculate according to the third gathered data heat exchange amount of the multi-connected air conditioning system.
Optionally, the multi-connected air conditioning system further includes outside wind turbine, and the temperature collecting device further includes：9th
The import in the outdoor heat exchanger is arranged in temperature sensor, the 9th temperature of the entrance for acquiring the outdoor heat exchanger
Degree；The electric energy collection device further includes：Power of fan sensor is connect with the outside wind turbine, for acquiring the room
The power of outside wind turbine；The processor obtains the 4th gathered data, and the 4th gathered data includes：The suction of the compressor
Atmospheric pressure and pressure at expulsion, the 5th temperature, the 7th temperature, the 8th temperature, the 9th temperature, the described tenth
Temperature, the 11st temperature, the casing surface temperature of the compressor, the environment temperature around the compressor, the pressure
The power of the total consumed power of contracting machine, the outside wind turbine, and the multiple air conditioner is calculated according to the 4th gathered data
The heat exchange amount of adjusting system.
The utility model embodiment additionally provides each state parameter harvester in a kind of multi-connected air conditioning system, described more
The compressor of connection formula air-conditioning system exhaust outlet connection oil eliminator entrance, the oil eliminator first outlet connection described in
The air entry of compressor, the entrance of the second outlet connection four-way valve of the oil eliminator, the first outlet of the four-way valve connect
Connect the entrance of outdoor heat exchanger, the entrance of the outlet connection recooler of outdoor heat exchanger, the first entrance connection of gas-liquid separator
The bypass circulation of the recooler exports, and second entrance connects the second outlet of the four-way valve, and the gas-liquid separator goes out
Mouth connects the entrance of the compressor, the major loop outlet connection indoor heat exchanger of the recooler, and the harvester includes：
Pressure acquisition device, including：The air entry in the compressor is arranged in first pressure sensor, for acquiring the compressor
Pressure of inspiration(Pi)；The exhaust outlet in the compressor is arranged in second pressure sensor, the exhaust pressure for acquiring the compressor
Power；Temperature collecting device, including：The second outlet in the four-way valve is arranged in 5th temperature sensor, for acquiring described four
The 5th temperature at the second outlet of port valve；7th temperature sensor is arranged in the outlet of the bypass circulation of the recooler, uses
The 7th temperature in the exit for the bypass circulation for acquiring the recooler；8th temperature sensor is arranged in the four-way valve
Import, the 8th temperature of the entrance for acquiring the four-way valve；Tenth temperature sensor is arranged in the recooler
Import, the tenth temperature of the entrance for acquiring the recooler；11st temperature sensor is arranged in the recooler
The outlet of major loop, the 11st temperature of the outlet of the major loop for acquiring the recooler；12nd temperature sensor, if
The surface of shell in the compressor is set, the casing surface temperature for acquiring the compressor；Tenth three-temperature sensor is used
Environment temperature around the acquisition compressor；Electric energy collection device, including compressor horsepower sensor, with the compressor
Connection, the total consumed power for acquiring the compressor.
Optionally, the multi-connected air conditioning system further includes：Electromagnetic valve outlet oil return capillary, the electromagnetic valve outlet return
The entrance of oily capillary is connect with the entrance of the four-way valve, outlet and the four-way of the electromagnetic valve outlet oil return capillary
The second outlet of valve connects, and the temperature collecting device further includes：Third temperature sensor is arranged in the gas-liquid separator
Outlet, the third temperature in the exit for acquiring the gas-liquid separator；4th temperature sensor is arranged in the solenoid valve
Export the outlet of oil return capillary, the 4th temperature in the exit for acquiring the electromagnetic valve outlet oil return capillary；6th
The second entrance in the gas-liquid separator is arranged in temperature sensor, at the second entrance for acquiring the gas-liquid separator
The 6th temperature；The second outlet in the oil eliminator is arranged in 14th temperature sensor, for measuring the oil eliminator
Second outlet at the 14th temperature.
Optionally, the multi-connected air conditioning system further includes：Compressor oil return capillary, the compressor oil return capillary
Entrance and the first outlet of oil eliminator connect, outlet and the air inlet of the compressor of the compressor oil return capillary
Connection, the temperature collecting device further include：The air entry in the compressor is arranged, for acquiring in first temperature sensor
First temperature of the air entry of the compressor；Second temperature sensor is arranged in the outlet of the compressor oil return capillary,
Second temperature for the exit for acquiring the compressor oil return capillary；15th temperature sensor is arranged in the pressure
The outlet of contracting machine, the 15th temperature in the exit for acquiring the compressor.
Optionally, the multi-connected air conditioning system further includes outside wind turbine, and the temperature collecting device further includes：9th
The import in the outdoor heat exchanger is arranged in temperature sensor, the 9th temperature of the entrance for acquiring the outdoor heat exchanger
Degree；The electric energy collection device further includes：Power of fan sensor is connect with the outside wind turbine, for acquiring the room
The power of outside wind turbine.
The utility model embodiment has the following advantages that：
The utility model embodiment provides the flowmeter that exchanges heat in a kind of multi-connected air conditioning system, the multi-connected air conditioner system
The flowmeter that exchanges heat in system includes pressure acquisition device, temperature collecting device, electric energy collection device and processor, pressure acquisition dress
Set acquisition compressor pressure of inspiration(Pi) and pressure at expulsion, temperature collecting device be arranged multi-connected air conditioning system each component into
It is connect with compressor with exit, the temperature for acquiring each point, electric energy collection device at mouthful, acquires the wastage in bulk or weight work(of compressor
Rate, processor are connect with pressure acquisition device, temperature collecting device and electric energy collection device respectively, obtain above-mentioned each device acquisition
Parameter, and calculate according to the parameter of acquisition the heat exchange amount of multi-connected air conditioning system.Pass through the more of the utility model embodiment
Exchange heat flowmeter in connection formula air-conditioning system, need not on refrigerant tubing incoming stream gauge and destroy refrigerant tubing, directly
The parameter for connecting acquisition obtains heat exchange amount, solves heat exchange flowmeter and the acquisition of multi-connected air conditioning system in the prior art
Device can influence the problem of multi-connected air conditioning system operating status.
Description of the drawings
Can be more clearly understood the feature and advantage of the utility model by reference to attached drawing, attached drawing be schematically without
It is interpreted as carrying out any restrictions to the utility model, in the accompanying drawings：
Fig. 1 is the structure diagram of heat exchange flowmeter in the multi-connected air conditioning system according to the utility model embodiment；
Fig. 2 is the schematic diagram according to the multi-connected air conditioning system of the utility model embodiment；
Fig. 3 is the structural frames of each state parameter harvester in the multi-connected air conditioning system according to the utility model embodiment
Figure；
Reference numeral：21- compressors, 22- oil eliminators, 23- four-way valves, 24- outdoor heat exchangers, 25- recoolers, 26-
Gas-liquid separator, 27- indoor heat exchangers, 28- compressor oil return capillaries, 29- electromagnetic valve outlet oil return capillaries, 10- pressure
Harvester, 101- first pressure sensors, 102- second pressure sensors, 20- temperature collecting devices, the first temperature of 201- pass
Sensor, 202- second temperature sensors, 203- third temperature sensors, the 4th temperature sensors of 204-, the 5th temperature of 205- pass
Sensor, the 6th temperature sensors of 206-, the 7th temperature sensors of 207-, the 8th temperature sensors of 208-, the 9th temperature of 209- pass
Sensor, the tenth temperature sensors of 210-, the 11st temperature sensors of 211-, the 12nd temperature sensors of 212-, 213- the 13rd
Temperature sensor, the 14th temperature sensors of 214-, the 15th temperature sensors of 215-, 30- electric energy collection devices, 40- processing
Device, 3- harvesters.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those skilled in the art are obtained without creative efforts belong to this reality
With novel protected range.
Embodiment 1
The utility model embodiment provides the flowmeter that exchanges heat in a kind of multi-connected air conditioning system.In a preferred embodiment
In, the flowmeter that exchanges heat in the multi-connected air conditioning system can be applied in multi-connected air conditioning system as shown in Figure 2, the multiple
The entrance of the exhaust outlet connection oil eliminator 22 of the compressor 21 of air-conditioning system, the first outlet connect compressor of oil eliminator 22
21 air entry, the entrance of the second outlet connection four-way valve 23 of oil eliminator 22, outside the first outlet junction chamber of four-way valve 23
The entrance of heat exchanger 24, the entrance of the outlet connection recooler 25 of outdoor heat exchanger 24, the first entrance of gas-liquid separator 26 connect
The bypass circulation outlet of recooler 25 is connect, second entrance connects the second outlet of four-way valve 23, and the outlet of gas-liquid separator 26 connects
Connect the entrance of compressor 21, the major loop outlet connection indoor heat exchanger 27 of recooler 25.
As shown in Figure 1, the flowmeter that exchanges heat in the multi-connected air conditioning system of the utility model embodiment includes：Pressure acquisition
Device 10, the pressure acquisition device 10 include first pressure sensor 101, and ideally the first pressure sensor 101 is set
The air entry in compressor 21 is set, the pressure of inspiration(Pi) for acquiring compressor 21, in practical application, due to the pipe of compressor 21
Road is very short, first pressure sensor 101 can be arranged at the air entry close proximity to compressor 21, e.g. shown in Fig. 1
Close gas-liquid separator 26 second entrance position；Second pressure sensor 102, the ideally first pressure sensor
102 are arranged the exhaust outlet in compressor 21, the pressure at expulsion for acquiring compressor 21, in practical application, due to compressor
21 pipeline is very short, and second pressure sensor 102 can be arranged in the exhaust ports close proximity to compressor 21, e.g. schemed
Close to the outlet port of oil eliminator 22 shown in 1；Temperature collecting device 20 includes：5th temperature sensor 205 is arranged four
The second outlet of port valve 23, the 5th temperature at second outlet for acquiring four-way valve 23；7th temperature sensor 207, if
It sets in the outlet of the bypass circulation of recooler 25, the 7th temperature in the exit of the bypass circulation for acquiring recooler 25；The
Eight temperature sensors 208, are arranged the import in four-way valve 23, the 8th temperature of the entrance for acquiring four-way valve 23；Tenth
The import in recooler 25 is arranged in temperature sensor 210, the tenth temperature of the entrance for acquiring recooler 25；11st
Temperature sensor 211 is arranged in the outlet of the major loop of recooler 25, and the of the outlet of the major loop for acquiring recooler 25
11 temperature；The surface of shell in compressor 21 is arranged in 12nd temperature sensor 212, the shell for acquiring compressor 21
Surface temperature；Tenth three-temperature sensor 213, for acquiring the environment temperature around compressor 21；Electric energy collection device 30, packet
Compressor horsepower sensor is included, is connect with compressor 21, the total consumed power for acquiring compressor 21；Processor 40, respectively
Connect with pressure acquisition device 10, temperature collecting device 20 and electric energy collection device 40, for obtain the first gathered data, first
Gathered data includes：The pressure of inspiration(Pi) and pressure at expulsion of compressor 21, the 5th temperature, the 7th temperature, the 8th temperature, the tenth temperature
Environment temperature, the wastage in bulk or weight of compressor 21 around degree, the 11st temperature, the casing surface temperature of compressor 21, compressor 21
Power, and calculate according to the first gathered data the heat exchange amount of multi-connected air conditioning system.Pass through the more of the utility model embodiment
Exchange heat flowmeter in connection formula air-conditioning system, need not on refrigerant tubing incoming stream gauge and destroy refrigerant tubing, directly
The parameter for connecting acquisition obtains heat exchange amount, solves heat exchange flowmeter and the acquisition of multi-connected air conditioning system in the prior art
Device can influence the problem of multi-connected air conditioning system operating status.
Specifically, the heat exchange amount of multi-connected air conditioning system includes refrigerating capacity and heating capacity, in a specific embodiment, place
Manage the refrigerating capacity that device 40 calculates multi-connected air conditioning system by following formula (1)：
In formula (1), PeIndicate the power of compressor 21, unit kW, G5Indicate the system at the second outlet of four-way valve 23
5th mass flow of the mixture of cryogen and lubricating oil composition, unit kg/s, h5Indicate mixture the of four-way valve 23
5th enthalpy of two outlets, unit kJ/kg, G7Indicate the 7th quality stream of the bypass circulation exit mixture of recooler 25
Amount, unit kg/s, h7Indicate the 7th enthalpy that mixture is exported in the bypass circulation of recooler 25, unit kJ/kg, Qloss
Indicate the leaking heat of compressor 21, unit kW, h8Mixture is indicated in the 8th enthalpy of 21 exhaust outlet of compressor, unit is
KJ/kg, h10Indicate mixture in the tenth enthalpy of 25 import of recooler, unit kJ/kg, h11Indicate mixture in recooler
11st enthalpy of 25 major loop outlet, unit kJ/kg, QeIndicate the refrigerating capacity of the multi-connected air conditioning system, unit
For kW.
When recooler 25 is closed, processor 40 calculates the heating capacity of multi-connected air conditioning system by following formula (2)：
In formula (2), PeIndicate the power of compressor 21, unit kW, G5Indicate the refrigeration at the second outlet of four-way valve
5th mass flow of the mixture of agent and lubricating oil composition, unit kg/s, h5Indicate that mixture goes out the second of four-way valve
5th enthalpy of mouth, unit kJ/kg, QlossIndicate the leaking heat of compressor, unit kW, h8Indicate that mixture is detached in oil
8th enthalpy of the second outlet of device, unit kJ/kg, QcIndicate the heating capacity of multi-connected air conditioning system, unit kW.
In a specific embodiment, above-mentioned multi-connected air conditioning system further includes electromagnetic valve outlet oil return capillary 29,
The entrance of electromagnetic valve outlet oil return capillary 29 is connect with the entrance of four-way valve 23, the outlet of electromagnetic valve outlet oil return capillary 29
It is connect with the second outlet of four-way valve 23.The temperature collecting device further includes third temperature sensor 203, is arranged in gas-liquid separation
The outlet of device 26, the third temperature in the exit for acquiring gas-liquid separator 26；4th temperature sensor 204 is arranged in electricity
Magnet valve exports the outlet of oil return capillary 29, the 4th temperature in the exit for acquiring electromagnetic valve outlet oil return capillary 29；
The second entrance in gas-liquid separator 26 is arranged in 6th temperature sensor 206, the second entrance for acquiring gas-liquid separator 26
6th temperature at place；The second outlet in oil eliminator 22 is arranged, for acquiring oil eliminator in 14th temperature sensor 214
The 14th temperature at 22 second outlet；Processor 40 obtains the second gathered data, and the second gathered data includes：Compressor 21
Pressure of inspiration(Pi) and pressure at expulsion, third temperature, the 4th temperature, the 5th temperature, the 6th temperature, the 7th temperature, the 11st temperature,
The wastage in bulk or weight work(of 14th temperature, the casing surface temperature of compressor 21, the environment temperature around compressor 21, compressor 21
Rate, and calculate according to the second gathered data the heat exchange amount of multi-connected air conditioning system.By acquiring more temperature, can obtain
More accurately exchange heat measurement, and specifically, processor 40 passes through the refrigeration that following formula (3) calculates multi-connected air conditioning system
Amount：
In formula (3), PeIndicate the power of compressor 21, unit kW, QlossIndicate the leaking heat of compressor 21, unit
For kW, h8Indicate mixture in the 8th enthalpy of the exhaust outlet of compressor 21, unit kJ/kg, h3Indicate mixture in gas-liquid point
The third enthalpy of outlet from device 26, h4Indicate mixture in the 4th enthalpy of the outlet of electromagnetic valve outlet oil return capillary 29, h5
Indicate mixture in the 5th enthalpy of the second outlet of four-way valve 23, h6Second entrance of the expression mixture in gas-liquid separator 26
The 6th enthalpy, h7Indicate that the 7th enthalpy that mixture is exported in the bypass circulation of recooler 25, the unit of above-mentioned enthalpy are
KJ/kg, G3Indicate the third mass flow of the exit mixture of gas-liquid separator 26, G4Indicate electromagnetic valve outlet oil return capillary
4th mass flow of the exit mixture of pipe 29, G5Indicate the 5th quality stream of mixture at the second outlet of four-way valve 23
Amount, G6Indicate the 6th mass flow of mixture at the second entrance of gas-liquid separator 26, G7Indicate the bypass circulation of recooler 25
The unit of 7th mass flow of exit mixture, above-mentioned mass flow is kg/s.
When recooler 25 is opened, processor 40 calculates the heating capacity of multi-connected air conditioning system by following formula (4)：
In formula (4), PeThe power of the compressor 21, unit kW, G3Indicate that gas-liquid separator 26 exports mixture
Third mass flow, unit kg/s, h3The third enthalpy that expression mixture is exported in gas-liquid separator 26, unit kJ/kg,
QlossIndicate the leaking heat of compressor 21, unit kW, h8Eightth enthalpy of the expression mixture in the second outlet of oil eliminator 22
Value, unit kJ/kg, G5Indicate the 5th mass flow of mixture at the second outlet of four-way valve 23, unit kg/s, h5Table
Show mixture in the 5th enthalpy of the second outlet of four-way valve 23, unit kJ/kg, G7Indicate that the bypass circulation of recooler 25 goes out
7th mass flow of mixture, unit kg/s, h at mouthful7Indicate mixture is exported in the bypass circulation of recooler 25 the
Seven enthalpies, unit kJ/kg, QcIndicate the heating capacity of multi-connected air conditioning system, unit kW, h11Indicate mixture in recooler
11st enthalpy of 25 major loop outlet, unit kJ/kg.
In a specific embodiment, multi-connected air conditioning system further includes：Compressor oil return capillary 28, compressor oil return
The entrance of capillary 28 is connect with the first outlet of oil eliminator 22, outlet and the compressor 21 of compressor oil return capillary 28
Air inlet connects, and temperature collecting device 20 further includes：First temperature sensor 201, is arranged the air entry in compressor 21, is used for
Acquire the first temperature of the air entry of compressor 21；Going out in compressor oil return capillary 28 is arranged in second temperature sensor 202
Mouthful, the second temperature in the exit for acquiring compressor oil return capillary 28；15th temperature sensor 215, setting are being pressed
The outlet of contracting machine 21, the 15th temperature in the exit for acquiring compressor 21；Processor 40 obtains third gathered data, the
Three gathered datas include：The pressure of inspiration(Pi) and pressure at expulsion of compressor 21, the first temperature, second temperature, third temperature, the 4th temperature
Degree, the casing surface temperature of the 5th temperature, the 6th temperature, the 7th temperature, the 11st temperature, the 15th temperature, compressor 21, pressure
The total consumed power of environment temperature, compressor 21 around contracting machine 21, and multi-connected air conditioner is calculated according to third gathered data
The heat exchange amount of system.More temperature datas are acquired by more temperature sensors, can more be accurately obtained multi-connected air conditioner
The heat exchange amount of system, specifically, processor 40 calculate the refrigerating capacity of multi-connected air conditioning system by following formula (5)：
In formula (5), PeIndicate the power of compressor 21, unit kW, G1Indicate the mixture the of 21 air entry of compressor
One mass flow, unit kg/s, h1Mixture is indicated in the first enthalpy of the air entry of compressor 21, unit kJ/kg,
QlossIndicate the leaking heat of compressor 21, unit kW, h8Indicate mixture in the 8th enthalpy of 21 exhaust outlet of compressor, unit
For kJ/kg, h2Indicate mixture in the second enthalpy of the outlet of compressor oil return capillary 28, h3Indicate mixture in gas-liquid point
The third enthalpy of outlet from device 26, h4Indicate mixture in the 4th enthalpy of the outlet of electromagnetic valve outlet oil return capillary 29, h5
Indicate mixture in the 5th enthalpy of the second outlet of four-way valve 23, h6Second entrance of the expression mixture in gas-liquid separator 26
The 6th enthalpy, h7Indicate that the 7th enthalpy that mixture is exported in the bypass circulation of recooler 25, the unit of above-mentioned enthalpy are
KJ/kg, G2Indicate the second mass flow of the exit mixture of compressor oil return capillary 28, G3Indicate gas-liquid separator 26
Export the third mass flow of the mixture, G4Indicate the of the exit mixture of the electromagnetic valve outlet oil return capillary
Four mass flows, G5Indicate the 5th mass flow of mixture at the second outlet of four-way valve 23, G6Indicate gas-liquid separator 26
6th mass flow of mixture, G at second entrance7Indicate the 7th mass of the bypass circulation exit mixture of recooler 25
The unit of flow, above-mentioned mass flow is kg/s, QeIndicate the refrigerating capacity of the multi-connected air conditioning system, unit kW.
In an optional embodiment, above-mentioned multi-connected air conditioning system further includes outside wind turbine, above-mentioned to change
The temperature collecting device 20 of calorimetry instrument further includes the 9th temperature sensor 209, and the import in outdoor heat exchanger 24 is arranged, and is used
In the 9th temperature of the entrance of acquisition outdoor heat exchanger 24；Electric energy collection device 20 further includes power of fan sensor, with room
Outside wind turbine connection, the power for wind turbine on the outside of collection room；Processor 40 obtains the 4th gathered data, the 4th gathered data packet
It includes：The pressure of inspiration(Pi) and pressure at expulsion of compressor 21, the 5th temperature, the 7th temperature, the 8th temperature, the 9th temperature, the tenth temperature,
The wastage in bulk or weight work(of 11st temperature, the casing surface temperature of compressor 21, the environment temperature around compressor 21, compressor 21
The power of rate, outside wind turbine, and according to the heat exchange amount of the 4th gathered data calculating multi-connected air conditioning system.Specifically, it handles
Device 40 calculates the refrigerating capacity of multi-connected air conditioning system by following formula (6)：
Qe=Qc-Pe+Qloss-Pf (6)
In formula (6), QeIndicate the refrigerating capacity of multi-connected air conditioning system, unit kW, QcIndicate the row of outdoor heat exchanger 24
Heat, unit kW, PeIndicate the power of compressor 21, unit kW, QlossThe leaking heat of expression compressor 21, unit kW,
PfIndicate the power of outside wind turbine, unit kW, wherein when multi-connected air conditioning system installs outside wind turbine, consider ginseng
Number PfIf the outside wind turbine is fitted without in multi-connected air conditioning system, without the concern for parameter Pf；Outside exchanges heat
The heat exhaust Q of device 24c=(G7+G5)(h9-h10), h9Mixture is indicated in the 9th enthalpy of 24 import of outdoor heat exchanger, unit is
KJ/kg, h10Indicate mixture in the tenth enthalpy of 25 import of recooler, unit kJ/kg, G5Indicate the second of the four-way valve
5th mass flow of the mixture of refrigerant and the lubricating oil composition in exit, unit kg/s, G7Indicate the recooler
Bypass circulation exit described in mixture the 7th mass flow, unit kg/s.
In conclusion the flowmeter that exchanges heat in the multi-connected air conditioning system of the utility model embodiment, passes through pressure acquisition
Device 10, temperature collecting device 20 and electric energy collection device 30 acquire the state parameter of each component in multi-connected air conditioning system, place
The heat exchange amount that device 40 calculates multi-connected air conditioning system according to collected state parameter is managed, need not be accessed on refrigerant tubing
Flowmeter and destroy refrigerant tubing, solve the heat exchange flowmeter and harvester of multi-connected air conditioning system in the prior art
The problem of influencing multi-connected air conditioning system operating status.
Embodiment 2
The utility model embodiment provides each state parameter harvester in a kind of multi-connected air conditioning system, preferably one
In embodiment, which can be applied to multi-connected air conditioning system as shown in Figure 2, the compression of the multi-connected air conditioning system
The entrance of the exhaust outlet connection oil eliminator 22 of machine 21, the air entry of the first outlet connect compressor 21 of oil eliminator 22, oil
The entrance of the second outlet connection four-way valve 23 of separator 22, the first outlet connection outdoor heat exchanger 24 of four-way valve 23 enter
Mouthful, the entrance of the outlet connection recooler 25 of outdoor heat exchanger 24, the first entrance connection recooler 25 of gas-liquid separator 26
Bypass circulation exports, and second entrance connects the second outlet of four-way valve 23, the outlet connect compressor 21 of gas-liquid separator 26
Entrance, the major loop outlet connection indoor heat exchanger 27 of recooler 25.
As shown in figure 3, the harvester 3 includes：Pressure acquisition device 10, the pressure acquisition device 10 include first pressure
Sensor 101, ideally the first pressure sensor 101 air entry in compressor 21 is set, for acquiring compressor
First pressure sensor 101 can be arranged in practical application, since the pipeline of compressor 21 is very short for 21 pressure of inspiration(Pi)
At the air entry close proximity to compressor 21, the second entrance position of close gas-liquid separator 26 e.g. shown in FIG. 1；The
Two pressure sensors 102, ideally the first pressure sensor 102 exhaust outlet in compressor 21 is set, for acquiring
The pressure at expulsion of compressor 21, in practical application, since the pipeline of compressor 21 is very short, it can be by second pressure sensor
102 are arranged in the exhaust ports close proximity to compressor 21, the outlet port of close oil eliminator 22 e.g. shown in FIG. 1；
Temperature collecting device 20 includes：The second outlet in four-way valve 23 is arranged, for acquiring four-way valve in 5th temperature sensor 205
The 5th temperature at 23 second outlet；7th temperature sensor 207 is arranged in the outlet of the bypass circulation of recooler 25, uses
The 7th temperature in the exit of the bypass circulation of acquisition recooler 25；8th temperature sensor 208 is arranged in four-way valve 23
Import, the 8th temperature of the entrance for acquiring four-way valve 23；Tenth temperature sensor 210, be arranged recooler 25 into
Mouthful, the tenth temperature of the entrance for acquiring recooler 25；The master in recooler 25 is arranged in 11st temperature sensor 211
The outlet in circuit, the 11st temperature of the outlet of the major loop for acquiring recooler 25；12nd temperature sensor 212, if
The surface of shell in compressor 21 is set, the casing surface temperature for acquiring compressor 21；Tenth three-temperature sensor 213 is used
Environment temperature around acquisition compressor 21；Electric energy collection device 30, including compressor horsepower sensor connect with compressor 21
It connects, the total consumed power for acquiring compressor 21.It, can be to each component in multi-connected air conditioning system by harvester 3
Each state parameter is acquired, simple in structure, and the performance evaluation for multi-joint system's air-conditioning system provides accurate foundation.
In a specific embodiment, multi-connected air conditioning system further includes：Electromagnetic valve outlet oil return capillary 29, electromagnetism
The entrance of valve outlet oil return capillary 29 is connect with the entrance of four-way valve 23, the outlet and four of electromagnetic valve outlet oil return capillary 29
The second outlet of port valve 23 connects, and temperature collecting device 20 further includes：Third temperature sensor 203 is arranged in gas-liquid separator
26 outlet, the third temperature in the exit for acquiring gas-liquid separator 26；4th temperature sensor 204 is arranged in electromagnetism
The outlet of valve outlet oil return capillary 29, the 4th temperature in the exit for acquiring electromagnetic valve outlet oil return capillary 29；The
Six temperature sensors 206, are arranged the second entrance in gas-liquid separator 26, at the second entrance for acquiring gas-liquid separator 26
The 6th temperature；The second outlet in oil eliminator 22 is arranged in 14th temperature sensor 214, for measuring oil eliminator 22
Second outlet at the 14th temperature.
In a specific embodiment, multi-connected air conditioning system further includes：Compressor oil return capillary 28, compressor return
The entrance of oily capillary 28 is connect with the first outlet of oil eliminator 22, outlet and the compressor 21 of compressor oil return capillary 28
Air inlet connection, temperature collecting device 20 further includes：The air entry in compressor 21 is arranged in first temperature sensor 201, uses
In the first temperature of the air entry of acquisition compressor 21；Second temperature sensor 202 is arranged in compressor oil return capillary 28
Outlet, the second temperature in the exit for acquiring compressor oil return capillary 28；15th temperature sensor 215, setting exist
The outlet of compressor 21, the 15th temperature in the exit for acquiring compressor 21.
In an optional embodiment, above-mentioned multi-connected air conditioning system further includes outside wind turbine, above-mentioned to change
The temperature collecting device 20 of calorimetry instrument further includes the 9th temperature sensor 209, and the import in outdoor heat exchanger 24 is arranged, and is used
In the 9th temperature of the entrance of acquisition outdoor heat exchanger 24；Electric energy collection device 20 further includes power of fan sensor, with room
Outside wind turbine connection, the power for wind turbine on the outside of collection room.
In conclusion each state parameter harvester in the multi-connected air conditioning system for passing through the utility model embodiment, leads to
It crosses and the different sensors in pressure acquisition device 10, temperature collecting device 20, electric energy collection device 30 is arranged in multiple air conditioner
Different location in adjusting system, each state operational factor of real-time acquisition system carry for the performance evaluation of multi-connected air conditioning system
Supplied abundant reference, it is easy to operate, without influencing system operation, for subsequent calculation processes provide accurately according to
According to.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (8)
1. exchange heat flowmeter in a kind of multi-connected air conditioning system, the exhaust outlet of the compressor (21) of the multi-connected air conditioning system
The entrance of oil eliminator (22) is connected, the first outlet of the oil eliminator (22) connects the air entry of the compressor (21),
The entrance of the second outlet connection four-way valve (23) of the oil eliminator (22), the first outlet junction chamber of the four-way valve (23)
The entrance of external heat exchanger (24), the entrance of the outlet connection recooler (25) of outdoor heat exchanger (24), gas-liquid separator (26)
First entrance connects the bypass circulation outlet of the recooler (25), and the second of the second entrance connection four-way valve (23) goes out
Mouthful, the outlet of the gas-liquid separator (26) connects the entrance of the compressor (21), and the major loop of the recooler (25) goes out
Mouthful connection indoor heat exchanger (27), which is characterized in that the measuring instrument includes：
Pressure acquisition device (10), including：The air entry in the compressor (21) is arranged in first pressure sensor (101), uses
In the pressure of inspiration(Pi) for acquiring the compressor (21)；The exhaust in the compressor (21) is arranged in second pressure sensor (102)
Mouthful, the pressure at expulsion for acquiring the compressor (21)；
Temperature collecting device (20), including：The second outlet in the four-way valve (23) is arranged in 5th temperature sensor (205),
The 5th temperature at second outlet for acquiring the four-way valve (23)；7th temperature sensor (207), setting it is described again
The outlet of the bypass circulation of cooler (25), the 7th temperature in the exit of the bypass circulation for acquiring the recooler (25)；
The import in the four-way valve (23), the entrance for acquiring the four-way valve (23) is arranged in 8th temperature sensor (208)
The 8th temperature；The import in the recooler (25) is arranged, for acquiring the recooler in tenth temperature sensor (210)
(25) the tenth temperature of entrance；11st temperature sensor (211), the major loop being arranged in the recooler (25) go out
Mouthful, the 11st temperature of the outlet of the major loop for acquiring the recooler (25)；12nd temperature sensor (212), if
The surface of shell in the compressor (21) is set, the casing surface temperature for acquiring the compressor (21)；13rd temperature
Sensor (213), for acquiring the environment temperature around the compressor (21)；
Electric energy collection device (30), including compressor horsepower sensor are connect with the compressor (21), for acquiring the pressure
The total consumed power of contracting machine (21)；
Processor (40), respectively with the pressure acquisition device (10), temperature collecting device (20) and the electric energy collection device
(30) it connects, for obtaining the first gathered data, first gathered data includes：The pressure of inspiration(Pi) of the compressor (21) and
Pressure at expulsion, the 5th temperature, the 7th temperature, the 8th temperature, the tenth temperature, the 11st temperature,
Environment temperature, the compressor (21) around the casing surface temperature of the compressor (21), the compressor (21) it is total
Power is consumed, and calculates the heat exchange amount of the multi-connected air conditioning system according to first gathered data.
2. exchange heat flowmeter in multi-connected air conditioning system according to claim 1, which is characterized in that the multiple air conditioner
Adjusting system further includes：Electromagnetic valve outlet oil return capillary (29), the entrance of the electromagnetic valve outlet oil return capillary (29) and institute
State the entrance connection of four-way valve (23), the of the outlet of the electromagnetic valve outlet oil return capillary (29) and the four-way valve (23)
Two outlet connections,
The temperature collecting device (20) further includes：Third temperature sensor (203) is arranged in the gas-liquid separator (26)
Outlet, the third temperature in the exit for acquiring the gas-liquid separator (26)；4th temperature sensor (204), setting exist
The outlet of the electromagnetic valve outlet oil return capillary (29), for acquiring going out for electromagnetic valve outlet oil return capillary (29)
The 4th temperature at mouthful；The second entrance in the gas-liquid separator (26) is arranged, for adopting in 6th temperature sensor (206)
Collect the 6th temperature at the second entrance of the gas-liquid separator (26)；14th temperature sensor (214) is arranged in the oil
The second outlet of separator (22), the 14th temperature at second outlet for acquiring the oil eliminator (22)；
The processor (40) obtains the second gathered data, and second gathered data includes：The air-breathing of the compressor (21)
Pressure and pressure at expulsion, the third temperature, the 4th temperature, the 5th temperature, the 6th temperature, the 7th temperature
Degree, the 11st temperature, the 14th temperature, the casing surface temperature of the compressor (21), the compressor (21)
Around environment temperature, the compressor (21) total consumed power, and calculated according to second gathered data described more
The heat exchange amount of connection formula air-conditioning system.
3. exchange heat flowmeter in multi-connected air conditioning system according to claim 2, which is characterized in that the multiple air conditioner
Adjusting system further includes：Compressor oil return capillary (28), the entrance and oil eliminator of the compressor oil return capillary (28)
(22) first outlet connection, the outlet of the compressor oil return capillary (28) connects with the air inlet of the compressor (21)
It connects,
The temperature collecting device (20) further includes：The air-breathing in the compressor (21) is arranged in first temperature sensor (201)
Mouthful, the first temperature of the air entry for acquiring the compressor (21)；Second temperature sensor, setting are returned in the compressor
The outlet of oily capillary (28), the second temperature in the exit for acquiring the compressor oil return capillary (28)；15th
Temperature sensor 215 is arranged in the outlet of the compressor (21), and the tenth of the exit for acquiring the compressor (21) the
Five temperature；
The processor (40) obtains third gathered data, and the third gathered data includes：The air-breathing of the compressor (21)
Pressure and pressure at expulsion, first temperature, the second temperature, the third temperature, the 4th temperature, the 5th temperature
The shell of degree, the 6th temperature, the 7th temperature, the 11st temperature, the 15th temperature, the compressor (21)
The total consumed power of environment temperature, the compressor (21) around body surface temperature, the compressor (21), and according to described
Third gathered data calculates the heat exchange amount of the multi-connected air conditioning system.
4. exchange heat flowmeter in multi-connected air conditioning system according to any one of claim 1-3, which is characterized in that institute
It further includes outside wind turbine to state multi-connected air conditioning system,
The temperature collecting device (20) further includes：9th temperature sensor (209) is arranged in the outdoor heat exchanger (24)
Import, the 9th temperature of the entrance for acquiring the outdoor heat exchanger (24)；
The electric energy collection device (30) further includes：Power of fan sensor is connect with the outside wind turbine, for acquiring
State the power of outside wind turbine；
The processor (40) obtains the 4th gathered data, and the 4th gathered data includes：The air-breathing of the compressor (21)
Pressure and pressure at expulsion, the 5th temperature, the 7th temperature, the 8th temperature, the 9th temperature, the tenth temperature
Degree, the environment temperature around the 11st temperature, the casing surface temperature of the compressor (21), the compressor (21),
The total consumed power of the compressor (21), the power of the outside wind turbine, and institute is calculated according to the 4th gathered data
State the heat exchange amount of multi-connected air conditioning system.
5. each state parameter harvester in a kind of multi-connected air conditioning system, the compressor (21) of the multi-connected air conditioning system
Exhaust outlet connects the entrance of oil eliminator (22), and the first outlet of the oil eliminator (22) connects the suction of the compressor (21)
Gas port, the entrance of the second outlet connection four-way valve (23) of the oil eliminator (22), the first outlet of the four-way valve (23)
Connect the entrance of outdoor heat exchanger (24), the entrance of the outlet connection recooler (25) of outdoor heat exchanger (24), gas-liquid separator
(26) first entrance connects the bypass circulation outlet of the recooler (25), and second entrance connects the of the four-way valve (23)
Two outlets, the outlet of the gas-liquid separator (26) connect the entrance of the compressor (21), and the master of the recooler (25) returns
Way outlet connects indoor heat exchanger (27), which is characterized in that the harvester includes：
Pressure acquisition device (10), including：The air entry in the compressor (21) is arranged in first pressure sensor (101), uses
In the pressure of inspiration(Pi) for acquiring the compressor (21)；The exhaust in the compressor (21) is arranged in second pressure sensor (102)
Mouthful, the pressure at expulsion for acquiring the compressor (21)；
Temperature collecting device (20), including：The second outlet in the four-way valve (23) is arranged in 5th temperature sensor (205),
The 5th temperature at second outlet for acquiring the four-way valve (23)；7th temperature sensor (207), setting it is described again
The outlet of the bypass circulation of cooler (25), the 7th temperature in the exit of the bypass circulation for acquiring the recooler (25)；
The import in the four-way valve (23), the entrance for acquiring the four-way valve (23) is arranged in 8th temperature sensor (208)
The 8th temperature；The import in the recooler (25) is arranged, for acquiring the recooler in tenth temperature sensor (210)
(25) the tenth temperature of entrance；11st temperature sensor (211), the major loop being arranged in the recooler (25) go out
Mouthful, the 11st temperature of the outlet of the major loop for acquiring the recooler (25)；12nd temperature sensor (212), if
The surface of shell in the compressor (21) is set, the casing surface temperature for acquiring the compressor (21)；13rd temperature
Sensor (213), for acquiring the environment temperature around the compressor (21)；
Electric energy collection device (30), including compressor horsepower sensor are connect with the compressor (21), for acquiring the pressure
The total consumed power of contracting machine (21).
6. each state parameter harvester in multi-connected air conditioning system according to claim 5, which is characterized in that described more
Connection formula air-conditioning system further includes：Electromagnetic valve outlet oil return capillary (29), electromagnetic valve outlet oil return capillary (29) enter
Mouth is connect with the entrance of the four-way valve (23), outlet and the four-way valve of the electromagnetic valve outlet oil return capillary (29)
(23) second outlet connection,
The temperature collecting device (20) further includes：Third temperature sensor (203) is arranged in the gas-liquid separator (26)
Outlet, the third temperature in the exit for acquiring the gas-liquid separator (26)；4th temperature sensor (204), setting exist
The outlet of the electromagnetic valve outlet oil return capillary (29), the outlet for acquiring the electromagnetic valve outlet oil return capillary (29)
4th temperature at place；The second entrance in the gas-liquid separator (26) is arranged, for acquiring in 6th temperature sensor (206)
The 6th temperature at the second entrance of the gas-liquid separator (26)；14th temperature sensor (214) is arranged in the oil
Second outlet from device (22), the 14th temperature at second outlet for acquiring the oil eliminator (22).
7. each state parameter harvester in multi-connected air conditioning system according to claim 6, which is characterized in that described more
Connection formula air-conditioning system further includes：Compressor oil return capillary (28), the entrance and oil of the compressor oil return capillary (28)
First outlet connection from device (22), the air inlet of the outlet and the compressor (21) of the compressor oil return capillary (28)
Connection,
The temperature collecting device (20) further includes：The air-breathing in the compressor (21) is arranged in first temperature sensor (201)
Mouthful, the first temperature of the air entry for acquiring the compressor (21)；Second temperature sensor, setting are returned in the compressor
The outlet of oily capillary (28), the second temperature in the exit for acquiring the compressor oil return capillary (28)；15th
Temperature sensor 215 is arranged in the outlet of the compressor (21), and the tenth of the exit for acquiring the compressor (21) the
Five temperature.
8. each state parameter harvester, feature in the multi-connected air conditioning system according to any one of claim 5-7
It is, the multi-connected air conditioning system further includes outside wind turbine,
The temperature collecting device (20) further includes：9th temperature sensor (209) is arranged in the outdoor heat exchanger (24)
Import, the 9th temperature of the entrance for acquiring the outdoor heat exchanger (24)；
The electric energy collection device (30) further includes：Power of fan sensor is connect with the outside wind turbine, for acquiring
State the power of outside wind turbine.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337280A (en) * | 2020-02-29 | 2020-06-26 | 同济大学 | Cold and heat quantity testing system and method for VRF air conditioning system under variable working conditions |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337280A (en) * | 2020-02-29 | 2020-06-26 | 同济大学 | Cold and heat quantity testing system and method for VRF air conditioning system under variable working conditions |
| CN111337280B (en) * | 2020-02-29 | 2021-09-03 | 同济大学 | Cold and heat quantity testing system and method for VRF air conditioning system under variable working conditions |
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