CN205119578U - A detecting system for detecting heat transfer ability of regenerator - Google Patents
A detecting system for detecting heat transfer ability of regenerator Download PDFInfo
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- CN205119578U CN205119578U CN201520699758.9U CN201520699758U CN205119578U CN 205119578 U CN205119578 U CN 205119578U CN 201520699758 U CN201520699758 U CN 201520699758U CN 205119578 U CN205119578 U CN 205119578U
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Abstract
The utility model discloses a detecting system for detecting heat transfer ability of regenerator, include: indoor a, outside wind -tunnel, one sets up the evaporimeter on indoor crosswind hole, and the liquid import of evaporimeter loops through the expansion valve and counts with varied refrigerant volume and be connected with the liquid outlet by the survey time calorimeter, one sets up the condenser on outdoor crosswind hole, the condensation export of condenser and the liquid access connection by the survey time calorimeter, and the condensation import of condenser is connected with steam outlet by the survey time calorimeter through the compressor, the setting is at pressure sensor and temperature sensor by in the advancing, export of survey time calorimeter, and one respectively with the PLC controller of indoor, outside wind -tunnel, each pressure sensor and temperature sensor and varied refrigerant volume meter. Each exit through to by the survey time calorimeter are gathered at operating condition overdraft and temperature to calculate by the heat transfer ability of survey time calorimeter, thereby accurately contrast out the heat transfer ability of different regenerators.
Description
Technical field
The utility model relates to regenerator technical field, particularly relates to a kind of detection system of the exchange capability of heat for detecting regenerator.
Background technology
In refrigerated air-conditioning system, in order to the normal operation of the refrigerating capacity and safeguards system that improve system, usually in refrigerated air-conditioning system, regenerator can be installed.Liquid before regenerator makes throttling carries out heat exchange with the air-conditioning steam carrying out flash-pot, and the result of exchange is that refrigerant liquid degree of supercooling increases, and in muffler, the degree of superheat of air-conditioning steam increases, and the temperature of compressor inlet air-flow is improved.Like this, not only can increase specific refrigerating effect and strengthen evaporator heat exchange, and can reduce invalid overheated, improving the suction temperature of compressor and the operating temperature of lubricating oil, the reliability of raising compressor.Thus, in steam compression type refrigeration circulation, guarantee that refrigeration system is normally run by a regenerator can be installed in systems in which.So regenerator is widely used in air-conditioning refrigeration system, and it is wherein particularly crucial assembly.
The exchange capability of heat of regenerator is one of important performance of regenerator, is also the important indicator of guide product design and development simultaneously.At present, not for detecting device or the system of the exchange capability of heat of regenerator on market, current way is: after regenerator is produced, directly regenerator is installed on refrigeration air-conditioner complete machine, and then directly the overall performance of complete machine is detected, as found, the regenerator in complete machine goes wrong, then disassembled from complete machine by the regenerator that this goes wrong, and operates quite loaded down with trivial details and can not test the exchange capability of heat of regenerator.
For this reason, applicant carried out useful exploration and trial, have found result of the above problems, technical scheme described below produces under this background.
Utility model content
Technical problem to be solved in the utility model is: the detection system providing a kind of easy to operate exchange capability of heat for detecting regenerator for the deficiencies in the prior art.
The technical problem that the utility model solves can realize by the following technical solutions:
For detecting a detection system for the exchange capability of heat of regenerator, comprising:
The one crosswind hole, indoor and outdoor being placed in side, indoor and outdoor;
One to be arranged on the wind-tunnel of described indoor and to be regulated the evaporimeter of its exchange capability of heat by described indoor wind-tunnel, and the liquid-inlet of described evaporimeter is connected with the liquid outlet of cold medium flux meter with tested regenerator by expansion valve successively;
One to be arranged on the wind-tunnel of described outside and to be regulated the condenser of its exchange capability of heat by described outside wind-tunnel, the condensate outlet of described condenser is connected with the liquid-inlet of tested regenerator, and the condensation import of described condenser is connected by the steam (vapor) outlet of compressor with tested regenerator;
Be arranged on the first pressure sensor between the steam (vapor) outlet of described evaporimeter and the steam inlet of tested regenerator and the first temperature sensor;
The second pressure sensor between the liquid outlet being arranged on described subcooler and tested regenerator and the second temperature sensor;
Be arranged on the 3rd pressure sensor and three-temperature sensor between the condensate outlet of described condenser and the liquid-inlet of tested regenerator;
Be arranged on the 4th pressure sensor between described suction superheat device and the steam (vapor) outlet of tested regenerator and the 4th temperature sensor; And
One PLC, described PLC is connected with crosswind hole, described indoor and outdoor, first, second, third, fourth pressure sensor, first, second, third, fourth temperature sensor and cold medium flux meter respectively.
In a preferred embodiment of the present utility model, between the compression import and the steam (vapor) outlet of tested regenerator of described compressor, be provided with one for ensureing that the refrigerant entered in compressor is the suction superheat device of full gas phase.
In a preferred embodiment of the present utility model, between the compression import and the port of export of suction superheat device of described compressor, be provided with the 5th pressure sensor be connected with described PLC and the 5th temperature sensor.
In a preferred embodiment of the present utility model, between the compression outlet and the condensation import of condenser of described compressor, be provided with one for regulating the superheater of the condensation inlet temperature of condenser.
In a preferred embodiment of the present utility model, between the compression outlet and the entrance point of superheater of described compressor, be provided with the 6th pressure sensor be connected with described PLC and the 6th temperature sensor.
In a preferred embodiment of the present utility model, between the condensation import and the port of export of superheater of described condenser, be provided with the 7th pressure sensor be connected with described PLC and the 7th temperature sensor.
In a preferred embodiment of the present utility model, between the liquid-inlet and the port of export of expansion valve of described evaporimeter, be provided with the 8th pressure sensor and the 8th temperature sensor that are connected with described PLC.
In a preferred embodiment of the present utility model, between the port of export and the entrance point of expansion valve of described cold medium flux meter, be provided with the 9th pressure sensor be connected with described PLC and the 9th temperature sensor.
In a preferred embodiment of the present utility model, between the entrance point and the liquid outlet of tested regenerator of described cold medium flux meter, be provided with one for regulating the fluid reservoir of the internal circulating load of refrigerant in detection system.
In a preferred embodiment of the present utility model, between the entrance point and the liquid outlet of tested regenerator of described cold medium flux meter, be provided with one for ensureing that the refrigerant entered in expansion valve is the subcooler of full liquid phase.
In a preferred embodiment of the present utility model, between the entrance point and the port of export of subcooler of described cold medium flux meter, be provided with one for observing the liquid-sighting glass whether refrigerant was full liquid phase before entering cold medium flux meter.
In a preferred embodiment of the present utility model, be respectively arranged with the indoor and outdoor air-conditioner set of the humiture environment of the condenser of evaporimeter inside for conditioning chamber and outside in side, indoor and outdoor.
Owing to have employed technical scheme as above, the beneficial effects of the utility model are: gather by importing and exporting downforce and temperature in working order to each of tested regenerator, and exchange capability of heat and the pressure loss of tested regenerator is calculated according to the data collected, thus the exchange capability of heat of different regenerator can be contrasted exactly, effectively product design and exploitation are instructed.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is principle process block diagram of the present utility model.
Detailed description of the invention
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
See Fig. 1, what provide in figure is a kind of detection system of the exchange capability of heat for detecting regenerator, comprise indoor wind-tunnel 100, outside wind-tunnel 200, evaporimeter 300, condenser 400, tested regenerator 500, pressure sensor 610,620,630,640, temperature sensor 710,720,730,740 and PLC (not shown).
Indoor wind-tunnel 100 is placed in indoor.Evaporimeter 300 is arranged on indoor wind-tunnel 100, and regulates its exchange capability of heat by indoor wind-tunnel 100.The steam (vapor) outlet 310 of evaporimeter 300 is connected with the steam inlet 510 of tested regenerator 500, and the liquid-inlet 320 of evaporimeter 300 is connected with the liquid outlet 520 of tested regenerator 500 by expansion valve 810, cold medium flux meter 820, liquid-sighting glass 830, subcooler 840, fluid reservoir 850 successively.Wherein, expansion valve 810 is separations of detection system high-low pressure temperature, and when the liquid phase refrigerant flowed out from the liquid outlet 520 of tested regenerator 500 enters expansion valve 810, expansion valve 810 pairs of liquid phase refrigerants play the effect of decrease temperature and pressure.Cold medium flux meter 820 is the flow reading refrigerant in detection system, and cold medium flux is one of important parameter of the heat exchange amount calculating tested regenerator 500.Whether liquid-sighting glass 830 is full liquid phase for observing refrigerant before entering cold medium flux meter 820.Subcooler 840 is for ensureing that the refrigerant entered in expansion valve 810 is full liquid phase, also can be used for the entrance point temperature of variable expansion valve 810 simultaneously.Refrigerant is stored in fluid reservoir 850, it can be used for the internal circulating load regulating refrigerant in detection system, when the internal circulating load in detection system raises, refrigerant in fluid reservoir 850 just can be supplemented in detection system, when the internal circulating load in detection system reduces, in detection system, the refrigerant of redundance is then stored in fluid reservoir 850.
Outside wind-tunnel 200 is placed in outdoor.Condenser 400 is arranged on outside wind-tunnel 200, and regulates its exchange capability of heat by outside wind-tunnel 200.The condensate outlet 410 of condenser 400 is connected with the liquid-inlet 530 of tested regenerator 500, and the condensation import 420 of condenser 400 is connected by superheater 910, compressor 920 and suction superheat device 930 steam (vapor) outlet 540 with tested regenerator 500 successively.Compressor 910, as the power set of detection system, by the gas of low-temp low-pressure by after the compression of motor driving mechanical device, discharges high temperature and high pressure gas.Superheater 910 is used for regulating the temperature of condensation import 420 of condenser 400.Suction superheat device 930, for ensureing that the refrigerant entered in compressor 920 is full gas phase refrigerant, plays the effect of protection compressor 920.
Pressure sensor 610 and temperature sensor 710 are arranged between the steam (vapor) outlet 310 of evaporimeter 300 and the steam inlet 510 of tested regenerator 500, and the steam inlet 510 of close tested regenerator 500.Pressure sensor 620 and temperature sensor 720 are arranged between the liquid outlet 520 of fluid reservoir 850 and tested regenerator 500, and the liquid outlet 520 of close tested regenerator 500.Pressure sensor 630 and temperature sensor 730 are arranged between the condensate outlet 410 of condenser 400 and the liquid-inlet 530 of tested regenerator 500, and the liquid-inlet 530 of close tested regenerator 500.Pressure sensor 640 and temperature sensor 740 are arranged between the steam (vapor) outlet 540 of suction superheat device 930 and tested regenerator 500, and the steam (vapor) outlet 540 of close tested regenerator 500.
PLC is connected with indoor wind-tunnel 100, outside wind-tunnel 200, pressure sensor 610,620,630,640 and temperature sensor 710,720,730,740 and cold medium flux meter 820 respectively, for wind-tunnel 100, outside wind-tunnel 200 inside the Temperature numerical of the pressure value He each temperature sensor that gather each pressure sensor and control room and the reading that reads on cold medium flux meter 820.
In addition, pressure sensor 650 and temperature sensor 750 is provided with between the liquid-inlet 320 and the port of export of expansion valve 810 of evaporimeter 300, pressure sensor 650 and temperature sensor 750 are near the liquid-inlet 320 of evaporimeter 300 and be connected with PLC respectively, and PLC gathers the pressure and temperature numerical value of the liquid-inlet 320 of evaporimeter 300.
Pressure sensor 660 and temperature sensor 760 is provided with between the entrance point and the port of export of cold medium flux meter 820 of expansion valve 810, pressure sensor 660 is connected with PLC respectively with temperature sensor 760, and PLC collection enters the pressure and temperature numerical value of the refrigerant before expansion valve 810.
Pressure sensor 670 and temperature sensor 770 is provided with between the condensation import 420 and the port of export of superheater 910 of condenser 400, pressure sensor 670 and temperature sensor 770 are near the condensation import 420 of condenser 400 and be connected with PLC respectively, and PLC gathers the pressure and temperature numerical value of the condensation import 420 of condenser 400.
Pressure sensor 680 and temperature sensor 780 is provided with between the compression outlet and the entrance point of superheater 910 of compressor 920, pressure sensor 680 is connected with PLC respectively with temperature sensor 780, the pressure and temperature numerical value in PLC collect and process machine 920 exit.
Pressure sensor 690 and temperature sensor 790 is provided with between the compression import and the port of export of suction superheat device 930 of compressor 920, pressure sensor 690 is connected with PLC respectively with temperature sensor 790, the pressure and temperature numerical value of PLC collect and process machine 920 import department.
In addition, the humiture environment in order to the condenser 400 of the evaporimeter 300 and outside that make indoor meets the requirement of detection, is being respectively arranged with indoor and outdoor air-conditioner set 10,20 in side, indoor and outdoor.
The detection method of the detection system of the exchange capability of heat for detecting regenerator of the present utility model is as follows:
1, the steam inlet 310 of tested regenerator 500, liquid outlet 320, liquid-inlet 330, steam (vapor) outlet 340 are connected with the steam (vapor) outlet 310 of evaporimeter 300, the entrance point of fluid reservoir 850, the condensate outlet 410 of condenser 400, the entrance point of suction superheat device 930 respectively;
2, respectively pressure sensor 610,620,630,640 and temperature sensor 710,720,730,740 are in place;
3, tested regenerator 500 carries out work, wind-tunnel 100 inside PLC control room, outside wind-tunnel 200 regulate the duty of evaporimeter 300, condenser 400, then to pressure sensor 610,620,630,640, the reading of temperature sensor 710,720,730,740 and cold medium flux meter 820 carries out data acquisition;
4, PLC by the flow of the evaporation side of tested regenerator 500 that collects and condensation side import and export pressure and temperature and refrigerant through following formulae discovery:
The computing formula of the medium side evaporation and heat-exchange amount of tested regenerator 500 is:
Q
e＝q
m·|h
r1-h
r2|
In formula:
Q
e-medium side evaporation and heat-exchange amount, unit is watt (Kw);
Q
m-by the refrigerant mass flow of tested regenerator, unit is kilogram (kg/s) per second;
H
r1the enthalpy of the evaporation import refrigerant of-tested regenerator, unit is kilojoule every kilogram (kJ/kg);
H
r2the enthalpy of the evaporation outlet refrigerant of-tested regenerator, unit is kilojoule every kilogram (kJ/kg);
The computing formula of the medium side condensing heat-exchange amount of tested regenerator 500 is:
Q
c＝q
m·|h
r3-h
r4|
In formula:
Q
cthe heat exchange amount of-medium side condensation, unit is watt (Kw);
Q
m-by the refrigerant mass flow of tested regenerator, unit is kilogram (kg/s) per second;
H
r2the enthalpy of the condensation import refrigerant of-tested regenerator, unit is kilojoule every kilogram (kJ/kg);
H
r4the enthalpy of the condensate outlet refrigerant of-tested regenerator, unit is kilojoule every kilogram (kJ/kg);
Regenerator heat exchange amount
The computing formula of tested regenerator heat exchange amount is:
Q＝(Q
e+Q
c)/2
In formula
Q-regenerator heat exchange amount, unit is watt (Kw);
Q
ethe heat exchange amount of the refrigerant evaporation side of-tested regenerator 500, unit is watt (Kw);
Q
cthe heat exchange amount of the refrigerant condensation side of-tested regenerator 500, unit is watt (Kw);
Shown below is the test case utilizing detection system of the present utility model to carry out the regenerator detected, refer to shown in following table:
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (12)
1. for detecting a detection system for the exchange capability of heat of regenerator, it is characterized in that, comprising:
The one crosswind hole, indoor and outdoor being placed in side, indoor and outdoor;
One to be arranged on the wind-tunnel of described indoor and to be regulated the evaporimeter of its exchange capability of heat by described indoor wind-tunnel, and the liquid-inlet of described evaporimeter is connected with the liquid outlet of cold medium flux meter with tested regenerator by expansion valve successively;
One to be arranged on the wind-tunnel of described outside and to be regulated the condenser of its exchange capability of heat by described outside wind-tunnel, the condensate outlet of described condenser is connected with the liquid-inlet of tested regenerator, and the condensation import of described condenser is connected by the steam (vapor) outlet of compressor with tested regenerator;
Be arranged on the first pressure sensor between the steam (vapor) outlet of described evaporimeter and the steam inlet of tested regenerator and the first temperature sensor;
The second pressure sensor between the liquid outlet being arranged on described subcooler and tested regenerator and the second temperature sensor;
Be arranged on the 3rd pressure sensor and three-temperature sensor between the condensate outlet of described condenser and the liquid-inlet of tested regenerator;
Be arranged on the 4th pressure sensor between described suction superheat device and the steam (vapor) outlet of tested regenerator and the 4th temperature sensor; And
One PLC, described PLC is connected with crosswind hole, described indoor and outdoor, first, second, third, fourth pressure sensor, first, second, third, fourth temperature sensor and cold medium flux meter respectively.
2. as claimed in claim 1 for detecting the detection system of the exchange capability of heat of regenerator, it is characterized in that, between the compression import and the steam (vapor) outlet of tested regenerator of described compressor, being provided with one for ensureing that the refrigerant entered in compressor is the suction superheat device of full gas phase.
3. as claimed in claim 2 for detecting the detection system of the exchange capability of heat of regenerator, it is characterized in that, between the compression import and the port of export of suction superheat device of described compressor, be provided with the 5th pressure sensor be connected with described PLC and the 5th temperature sensor.
4. as claimed in claim 1 for detecting the detection system of the exchange capability of heat of regenerator, it is characterized in that, between the compression outlet and the condensation import of condenser of described compressor, being provided with one for regulating the superheater of the condensation inlet temperature of condenser.
5. as claimed in claim 4 for detecting the detection system of the exchange capability of heat of regenerator, it is characterized in that, between the compression outlet and the entrance point of superheater of described compressor, be provided with the 6th pressure sensor be connected with described PLC and the 6th temperature sensor.
6. as claimed in claim 5 for detecting the detection system of the exchange capability of heat of regenerator, it is characterized in that, between the condensation import and the port of export of superheater of described condenser, be provided with the 7th pressure sensor be connected with described PLC and the 7th temperature sensor.
7. as claimed in claim 1 for detecting the detection system of the exchange capability of heat of regenerator, it is characterized in that, between the liquid-inlet and the port of export of expansion valve of described evaporimeter, be provided with the 8th pressure sensor and the 8th temperature sensor that are connected with described PLC.
8. as claimed in claim 1 for detecting the detection system of the exchange capability of heat of regenerator, it is characterized in that, between the port of export and the entrance point of expansion valve of described cold medium flux meter, be provided with the 9th pressure sensor be connected with described PLC and the 9th temperature sensor.
9. as claimed in claim 1 for detecting the detection system of the exchange capability of heat of regenerator, it is characterized in that, between the entrance point and the liquid outlet of tested regenerator of described cold medium flux meter, being provided with one for regulating the fluid reservoir of the internal circulating load of refrigerant in detection system.
10. as claimed in claim 1 for detecting the detection system of the exchange capability of heat of regenerator, it is characterized in that, between the entrance point and the liquid outlet of tested regenerator of described cold medium flux meter, being provided with one for ensureing that the refrigerant entered in expansion valve is the subcooler of full liquid phase.
11. is as claimed in claim 10 for detecting the detection system of the exchange capability of heat of regenerator, it is characterized in that, between the entrance point and the port of export of subcooler of described cold medium flux meter, being provided with one for observing the liquid-sighting glass whether refrigerant was full liquid phase before entering cold medium flux meter.
The detection system of 12. exchange capability of heat for detecting regenerator according to any one of claim 1 to 11, it is characterized in that, be respectively arranged with the indoor and outdoor air-conditioner set of the humiture environment of the condenser of evaporimeter inside for conditioning chamber and outside in side, indoor and outdoor.
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| CN201520699758.9U CN205119578U (en) | 2015-09-10 | 2015-09-10 | A detecting system for detecting heat transfer ability of regenerator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299969A (en) * | 2015-09-10 | 2016-02-03 | 上海龙阳精密复合铜管有限公司 | Detecting system for detecting heat exchange capacity of heat regenerator |
| CN107314567A (en) * | 2017-06-16 | 2017-11-03 | 中国科学院工程热物理研究所 | One kind measurement supercritical CO2The apparatus and method of regenerator and cooler performance |
-
2015
- 2015-09-10 CN CN201520699758.9U patent/CN205119578U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299969A (en) * | 2015-09-10 | 2016-02-03 | 上海龙阳精密复合铜管有限公司 | Detecting system for detecting heat exchange capacity of heat regenerator |
| CN107314567A (en) * | 2017-06-16 | 2017-11-03 | 中国科学院工程热物理研究所 | One kind measurement supercritical CO2The apparatus and method of regenerator and cooler performance |
| CN107314567B (en) * | 2017-06-16 | 2019-12-20 | 中国科学院工程热物理研究所 | Method for measuring supercritical CO2Apparatus and method for regenerator and cooler performance |
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Date of cancellation: 20220729 Granted publication date: 20160330 Pledgee: Zhengzhou Branch of China Minsheng Bank Co.,Ltd. Pledgor: SHANGHAI LONGYANG PRECISION COMPOUND COPPER PIPE Co.,Ltd. Registration number: Y2019990000123 |