CN102937490A - Air conditioner refrigerating capacity and heating capacity testing method and air pipe box heat meter - Google Patents
Air conditioner refrigerating capacity and heating capacity testing method and air pipe box heat meter Download PDFInfo
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- CN102937490A CN102937490A CN2012103953151A CN201210395315A CN102937490A CN 102937490 A CN102937490 A CN 102937490A CN 2012103953151 A CN2012103953151 A CN 2012103953151A CN 201210395315 A CN201210395315 A CN 201210395315A CN 102937490 A CN102937490 A CN 102937490A
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Abstract
The invention provides an air conditioner refrigerating capacity and heating capacity testing method and an air pipe box heat meter applicable to the method. The air pipe box heat meter comprises an air pipe box, a freezing water system and a measurement control device, wherein the freezing water system comprises a freezing water coiled pipe arranged in the air pipe box; and the air pipe box is internally provided with a heating device, a humidifying device and a draught fan. The measurement method comprises the following steps that after an air conditioner starts and is led into an air pipe box; and the measurement control device controls work states of the freezing water system, the heating device, the humidifying device and the draught fan so that a dry ball temperature and a wet ball temperature of air which flows out of the air pipe box are the same as a dry ball temperature and a wet ball temperature of air which flows into an air inlet of the air conditioner to be measured; and therefore, the refrigerating capacity and the heating capacity of the air conditioner to be measured are calculated. According to the air conditioner refrigerating capacity and heating capacity testing method and the air pipe box heat meter applicable to the method, the problems that the existing method can not independently measure the refrigerating capacity and the heating capacity of the air conditioner and can not be used as an auxiliary testing method of an enthalpy potential method, and the manufacturing cost of needed equipment is high are solved.
Description
Technical field
The present invention relates to a kind of Air conditioner refrigerating capacity heating capacity method of testing and be suitable for the airduct case calorimeter of the method.
Background technology
Among China standard GB/T/T7725-2004 " room air conditioner ", recommendation room calorimeter method and enthalpy potential method are carried out the test of Air conditioner refrigerating capacity heating capacity; In international standard ISO5151-2010 " Non-ducted air conditioners and heat pumps-Testing and rating for performance " (Chinese for not with performance test and the ratings of air pipe air conditioner and heat pump), employing room calorimeter method is proposed and enthalpy potential method is carried out the test of Air conditioner refrigerating capacity heating capacity, and be recommended in when adopting indoor enthalpy potential method to measure, optional following methods is as auxiliary survey method:
1: the compressor calorimeter method;
2: cold-producing medium enthalpy difference method;
3: the outdoor air enthalpy potential method;
4: the indoor calorimeter method;
5: the outside calorimeter method;
6: balance room calorimeter method;
Number be 011175338 in Chinese patent application, open day for November 21 calendar year 2001 day, be called in the patent documentation of " a kind of simple type air conditioner refrigerated medium heat " dry type " test facilities and method thereof " and disclose a kind of Air conditioner refrigerating capacity heating capacity method of testing and facility thereof.
Although the refrigerating capacity heating capacity that the room calorimeter method can the independent measurement air conditioner, but need to build room calorimeter device when measuring the refrigerating capacity heating capacity of air conditioner by room calorimeter mensuration, and there be high not enough of construction cost in the room calorimeter and the auxiliary measurement equipment that should not be used as indoor enthalpy potential method uses.When measuring the refrigerating capacity heating capacity of air conditioner by indoor enthalpy potential method, both needed to build the enthalpy potential method device and needed simultaneously supporting auxiliary measurement equipment, such as compressor calorimeter device, indoor calorimeter device, outdoor calorimeter device, balance calorimetric counter device etc.Therefore there is no at present a kind of refrigerating capacity heating capacity that can the independent measurement air conditioner simultaneously again can be as the refrigerating capacity heating capacity measuring method of the auxiliary survey method of indoor enthalpy potential method and the required lower-cost air conditioner of equipment making.
Summary of the invention
The invention provides a kind of refrigerating capacity heating capacity that can the independent measurement air conditioner and can and realize the airduct case calorimeter of the method as the refrigerating capacity heating capacity measuring method of the auxiliary survey method of indoor enthalpy potential method and the required lower-cost air conditioner of equipment making again, having solved the existing refrigerating capacity heating capacity that can not the independent measurement air conditioner of the refrigerating capacity heating capacity measuring method of existing air conditioner again can be as the auxiliary survey method of indoor enthalpy potential method and the required high problem of equipment making cost.
Above technical matters solves by following technical proposal: a kind of airduct case calorimeter, it is characterized in that, comprise the airduct case, chilled water system, heating arrangement, damping device, induced draft fan and measuring and controlling, described chilled water system comprises the chilled water coil pipe that is arranged in the described airduct case, described airduct case is provided with airduct case air inlet and airduct case air outlet, described heating arrangement, damping device and induced draft fan are arranged in the described airduct case, and described measuring and controlling is used for the control chilled water system, heating arrangement, damping device is connected duty and so that tested air conditioner air outlet static pressure identical and air dry-bulb temperature and wet-bulb temperature of air outlet of flowing out the airduct case when not connecting the airduct case is identical with wet-bulb temperature and calculate the refrigerating capacity of measured air conditioner with the dry-bulb temperature of the air of the air inlet of the measured air conditioner of inflow with induced draft fan, heating capacity.
Airduct case calorimeter among the present invention also comprises the EAT measurement mechanism for detection of the temperature of the air that flows into the airduct case.Whether the duty of monitoring tested air conditioner by the EAT that detects airduct case air inlet is normal, improves the reliability of testing result.
As preferably, described EAT measuring and controlling comprises air inlet sampling blower fan, and the air-out air-flow of described air inlet sampling blower fan comes back in the described airduct case.Then logical detection of air inlet sampling blower fan draw samples is set, can improves the convenience when detecting; The sample that is extracted comes back in the airduct case, can improve the accuracy of measurement result.
As preferably, be provided with mixer in the described airduct case.Guarantee in the airduct case that air is everywhere fully mixed, improve the accuracy of measuring structure.
A kind of method of Air conditioner refrigerating capacity heating capacity test, it is characterized in that, the air inlet of airduct case is docked with the air outlet sealing of tested air conditioner, suffered resistance when overcoming air that tested air conditioner discharges and flow through the airduct case by induced draft fan is so that the static pressure that air outlet requires in the static pressure of airduct case air inlet and the air conditioner chamber is identical, and the air that tested air conditioner is discharged is from the air outlet outflow of airduct case; Measuring and controlling control chilled water system, heating arrangement and damping device cool off, dehumidify, heat, add wet process to the air in the airduct case, and measure chilled water temperature in the control chilled water coil pipe and flow, heating arrangement and damping device consumed power and so that the dry-bulb temperature of the air that flows out from the air outlet of airduct case is identical with dry-bulb temperature and the wet-bulb temperature of the air of the air inlet of the measured air conditioner of inflow with wet-bulb temperature; According to chilled-water flow and the temperature of the chilled water coil pipe of flowing through, add heat and humidification amount, calculate refrigerating capacity, the heating capacity of tested air conditioner.
As preferably, when airduct case calorimeter used separately, the air inlet of airduct case was with tested air conditioner indoor air outlet sealing docking;
The method of measuring the inboard refrigerating capacity of air conditioner chamber is: measuring and controlling make heating arrangement to the air in the airduct case heat, damping device carries out humidification to the air in the airduct case, the dry-bulb temperature that makes the air that flows out from the air outlet of airduct case and wet-bulb temperature equate with wet-bulb temperature that with the dry-bulb temperature of the air of the indoor air inlet of the measured air conditioner of inflow measuring and controlling is according to formula Φ
Tci=Σ P
r+ Φ
1Calculate the refrigerating capacity of tested air conditioner,
Wherein: Φ
TciBe tested air conditioner indoor overall refrigerating effect;
Σ P
rPower sum for heating arrangement, damping device and induced draft fan consumption;
Φ
1Be the leaking heat of airduct case to the room, indoor;
Measuring the method for surveying heating capacity in the air conditioner chamber is: measuring and controlling makes chilled water coil pipe, heating arrangement and the damping device of chilled water system cool off, dehumidify, heat, add wet process to the air in the airduct case, the dry-bulb temperature that makes the air that flows out from the air outlet of airduct case and wet-bulb temperature equate with wet-bulb temperature that with the dry-bulb temperature of the air of the indoor air inlet of the measured air conditioner of inflow measuring and controlling is according to formula Φ
Twi=Φ
c-Σ P
r-(h
W1-h
W2) * W
c+ Φ
1Calculate the heating capacity of tested air-conditioning,
Wherein: Φ
TwiBe the total heating capacity in tested air conditioner indoor;
Σ P
rPower sum for heating arrangement, damping device and induced draft fan consumption;
Φ
cBe the heat that the chilled water in the chilled water coil pipe is taken away, Φ
c=(t
2-t
1) * W
l, t
1Be chilled water coil pipe inflow temperature, t
2Be chilled water coil pipe leaving water temperature, W
lFlow for the chilled water that flows through the chilled water coil pipe;
h
W1Be enthalpy corresponding to humidification water;
h
W2Enthalpy for chilled water coil condensation water;
W
cBe the chilled water coil condensation water yield or the humidification water yield;
Φ
1Be the leaking heat of airduct case to the room, indoor.
As preferably, when airduct case calorimeter and indoor enthalpy potential method device are used,
Measuring the method for surveying refrigerating capacity in the air conditioner chamber is: the air inlet of airduct case links to each other with the air outlet of indoor enthalpy potential method device, the indoor air outlet of tested air conditioner links to each other with the air inlet of indoor enthalpy potential method device, and the static pressure that adopts static pressure that induced draft fan in the airduct case comes enthalpy potential method device air inlet place in the conditioning chamber and air conditioner chamber inboard air outlet to require is identical; Measuring and controlling control heating arrangement heats, controls damping device to the air in the airduct case air in the airduct case is carried out humidification, make the dry-bulb temperature of the air that flows out through the air outlet of airduct case identical with dry-bulb temperature and the wet-bulb temperature of the air of the indoor air inlet of the measured air conditioner of inflow with wet-bulb temperature, measuring and controlling is according to formula Φ
Tci=Σ P
r+ Φ
1Calculate the auxiliary measured value of refrigerating capacity of the indoor survey of tested air conditioner;
Wherein: Φ
TciBe tested air conditioner indoor overall refrigerating effect;
Σ P
rThe power sum that consumes for the sampling blower fan of heating arrangement, damping device, induced draft fan and indoor enthalpy potential method device;
Φ
1Be the leaking heat of airduct case to the room, indoor;
The refrigerating capacity that the refrigerating capacity that indoor enthalpy potential method device is surveyed and airduct case calorimeter are surveyed compares, and the two phase difference is in 5%, and this time test effectively.
The method of measuring the inboard heating capacity of air conditioner chamber is: the air inlet of airduct case links to each other with the air outlet of indoor enthalpy potential method device, the indoor air outlet of tested air conditioner links to each other with the air inlet of indoor enthalpy potential method device, and the static pressure that adopts static pressure that induced draft fan in the airduct case comes enthalpy potential method device air inlet place in the conditioning chamber and air conditioner chamber inboard air outlet to require is identical; Chilled water coil pipe, heating arrangement and the damping device of measuring and controlling control chilled water system cool off, dehumidify, heat, add wet process to the air in the airduct case, make the dry-bulb temperature of the air that flows out through the air outlet of airduct case identical with dry-bulb temperature and the wet-bulb temperature of the air of the indoor air inlet of the measured air conditioner of inflow with wet-bulb temperature, measuring and controlling is according to formula Φ
Twi=Φ
c-Σ P
r-(h
W1-h
W2) * W
c+ Φ
1Calculate the heating capacity of tested air conditioner,
Wherein: Φ
TwiBe the total heating capacity in tested air conditioner indoor;
Σ P
rThe power sum that consumes for the sampling blower fan of heating arrangement, damping device, induced draft fan and indoor enthalpy potential method device;
Φ
cBe the heat that the chilled water in the chilled water coil pipe is taken away, Φ
c=(t
2-t
1) * W
l, t
1Be chilled water coil pipe inflow temperature, t
2Be chilled water coil pipe leaving water temperature, W
lFlow for the chilled water that flows through the chilled water coil pipe;
h
W1Enthalpy for humidification water;
h
W2Enthalpy for chilled water coil condensation water;
W
cBe the chilled water coil condensation water yield or the humidification water yield;
Φ
1Be the leaking heat of airduct case to the room, indoor;
The refrigerating capacity that the refrigerating capacity that indoor enthalpy potential method device is surveyed and airduct case calorimeter are surveyed compares, and the two phase difference is in 5%, and this time test effectively.
As preferably, when adopting indoor enthalpy potential method measurement device Air conditioner refrigerating capacity, heating capacity,
The method of measuring tested air conditioner outside refrigerating capacity by airduct case calorimeter is: the air inlet of airduct case links to each other with the outdoor air outlet of tested air conditioner, suffered resistance when overcoming air that tested air conditioner discharges and flow through the airduct case by induced draft fan in the airduct case, so that guarantee that the static pressure of airduct case air inlet is identical with the static pressure of air outlet requirement outside the air conditioner chamber, the chilled water coil pipe of measuring and controlling control chilled water system, heating arrangement and damping device cool off the air in the airduct case, dehumidifying, heating, add wet process, make the dry-bulb temperature of the air that flows out through the air outlet of airduct case identical with dry-bulb temperature and the wet-bulb temperature of the air of the outdoor air inlet of inflow tested air conditioner with wet-bulb temperature, measuring and controlling is according to formula Ф
Tco=Ф
c-∑ P
0-P
t-(h
W1-h
W2) * W
r+ Ф
lCalculate tested air conditioner outside refrigerating capacity, and compare with tested air conditioner indoor refrigerating capacity, the two phase difference should be in 5%, and this time test effectively.
Wherein: Ф
TcoRefrigerating capacity for the tested air conditioner outside;
Ф
cThe heat of taking away for the chilled water in the chilled water coil pipe;
∑ P
0Power sum for heating arrangement, damping device and induced draft fan consumption;
P
tTotal power input for tested air conditioner;
h
W1Enthalpy for humidification water;
h
W2Enthalpy for chilled water coil condensation water;
W
rBe the chilled water coil condensation water yield or the humidification water yield;
Ф
lBe the leaking heat of airduct case to the room, outside;
The method of measuring tested air conditioner outside heating capacity by airduct case calorimeter is: the air inlet of airduct case links to each other with the outdoor air outlet of tested air conditioner, suffered resistance when overcoming air that tested air conditioner discharges and flow through the airduct case by induced draft fan in the airduct case, so that the static pressure of airduct case air inlet is identical with the static pressure of air outlet requirement outside the air conditioner chamber, measuring and controlling control heating arrangement carries out heat treated to the air in the airduct case, the control damping device adds wet process to the air in the airduct case, make the dry-bulb temperature of the air that flows out through the air outlet of airduct case identical with dry-bulb temperature and the wet-bulb temperature of the air of the outdoor air inlet of the measured air conditioner of inflow with wet-bulb temperature, measuring and controlling is according to formula Ф
Ho=∑ P
0+ P
t+ (h
W1-h
W2) * W
r+ Ф
lCalculate tested air conditioner outside heating capacity (auxiliary measured value), and compare with tested air conditioner indoor heating capacity (main measured value, enthalpy potential method is measured in the used chamber), the two phase difference should be in 5%, and this time test effectively.
Wherein: Ф
HoHeat pump heating capacity for the tested air conditioner outside;
∑ P
0Power sum for induced draft fan, heater assembly and the consumption of humidifier device;
P
tTotal power input for tested air conditioner;
h
W1Be enthalpy corresponding to humidification water;
h
W2Enthalpy for chilled water coil condensation water;
W
rBe the humidification water yield;
Ф
lBe the leaking heat of airduct case to the room, outside.
As preferably, when airduct case calorimeter is provided with the sampling air stream return air bobbin carriage of air inlet sampling blower fan and the extraction of air inlet sample blower fan, described ∑ P
0With Σ P
rAlso to comprise the power that the sampling blower fan consumes.
As preferably, at the air inlet place of airduct case calorimeter the static pressure measurement point is set, suffered resistance when being used for the monitoring induced draft fan and overcoming air that tested air conditioner discharges and flow through measurement mechanism guarantees that air conditioner chamber is inboard, the static pressure of outside air outlet is identical when not connecting measurement mechanism.
The present invention has following advantage: equipment investment is far below the room calorimeter in this measuring method; Can survey as main separately, also can be supporting with indoor enthalpy potential method, as auxiliary survey device.
Description of drawings
Fig. 1 is the structural representation of the airduct case calorimeter among the present invention.
Fig. 2 is the circuit diagram of the airduct case calorimeter among the present invention.
Among the figure: airduct case 1, dividing plate 11, the first Room bodies 12, the second Room body 13, via hole 14, airduct case air inlet 15, airduct case air outlet 16, chilled water system 2, cooling-water machine system 21, chilled water coil pipe 22, chilled water circulating pump 23, EAT measurement mechanism 3, air inlet sampling blower fan 31, the air inlet 311 of air inlet sampling blower fan, temperature-detecting device 32, measuring and controlling 4, air-out pick-up unit 41, air outlet sampling blower fan 411, the air inlet 4111 of air outlet sampling blower fan, temperature humidity pick-up unit 412, control module 42, heating arrangement 5, damping device 6, mixer 7, induced draft fan 8, the air inlet 81 of induced draft fan, static pressure measurement point 9.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing and embodiment.
Referring to Fig. 1, a kind of airduct case calorimeter comprises airduct case 1, chilled water system 2, EAT measurement mechanism 3 and air-out pick-up unit 41.Airduct case 1 is provided with heat insulation layer.It is the first Room body 12 and the second Room body 13 that airduct case 1 is divided into by dividing plate 11.Dividing plate 11 is provided with via hole 14.The first Room body 12 is provided with airduct case air inlet 15.Be provided with heating arrangement 5, damping device 6 and mixer 7 in the first Room body 12.The second Room body 13 is provided with airduct case air outlet 16.Be provided with induced draft fan 8 in the second Room body 13.The air inlet 81 of induced draft fan is in the second Room body 13.The air outlet of induced draft fan 8 is connected with airduct case air outlet 16.Be provided with static pressure measurement point 9 in the airduct case air inlet 15.Static pressure measurement point 9 is four holes on the wall that is arranged on airduct case air inlet 15, and the diameter in this hole is 1.0-2.0mm, links together with flexible pipe between 4 holes.
Chilled water system 2 comprises cooling-water machine system 21, chilled water coil pipe 22 and chilled water circulating pump 23.Cooling-water machine system 21 and chilled water coil pipe 22 link together by water pipe.Be provided with flow regulator at the water pipe that is communicated with cooling-water machine system 21 and chilled water coil pipe 22.
Air-out pick-up unit 41 comprises air outlet sampling blower fan 411 and temperature humidity pick-up unit 412.The air inlet 4111 of air outlet sampling blower fan is in airduct case air outlet 16.The air intake docking of the synthermal humidity detector 412 of outlet air end of air outlet sampling blower fan 411.The outlet air end of temperature humidity pick-up unit 412 communicates with test environment.
Referring to Fig. 2, air-out pick-up unit 41 and control module 42 consist of measuring and controlling 4.Chilled water system 2, EAT measurement mechanism 3, heating arrangement 5, damping device 6, mixer 7 and induced draft fan 8 are electrically connected with measuring and controlling 4.
The method of carrying out the test of Air conditioner refrigerating capacity heating capacity by airduct case calorimeter of the present invention is:
When airduct case calorimeter used separately, the air inlet 15 of airduct case docked with the sealing of tested air conditioner indoor air outlet,
The method of measuring the inboard refrigerating capacity of air conditioner chamber is: suffered resistance when overcoming air that tested air conditioner discharges and flow through airduct case 1 by induced draft fan 8, so that the static pressure of airduct case air inlet is identical with the static pressure that air conditioner wind outlet requires, measuring and controlling 4 heats the first Room body 12 interior air of 5 pairs of airduct casees 1 of heating arrangement, air in the first Room body 12 of 6 pairs of airduct casees 1 of damping device carries out humidification, air-out pick-up unit 41 detects from dry-bulb temperature and the wet-bulb temperature of the air of air outlet 16 outflows of airduct case, the dry-bulb temperature that makes the air that flows out from the air outlet 16 of airduct case and wet-bulb temperature equate with wet-bulb temperature that with the dry-bulb temperature of the air of the indoor air inlet of the measured air conditioner of inflow measuring and controlling 4 is according to formula Φ
Tci=Σ P
r+ Φ
1Calculate the refrigerating capacity of tested air conditioner,
Wherein: Φ
TciBe tested air conditioner indoor overall refrigerating effect;
Σ P
rPower sum for heating arrangement 5, damping device 6, induced draft fan 7 and 31 consumption of air inlet sampling blower fan;
Φ
1Be the leaking heat of airduct case to the room, indoor; The measuring method of leaking heat can adopt the inside and outside temperature differential method of airduct case to carry out, be about to air inlet and the air outlet sealing of airduct case, in the airduct case, place a circulating fan and a heating arrangement (also can utilize in the airduct case with heating arrangement), give the energising of circulating fan and heating arrangement, so that the air themperature in the airduct case is higher than airduct case external environment temperature more than 10 ℃, regulate the thermal value of heating arrangement, so that the inside and outside difference in air temperature of airduct case keeps stable; By measuring power input and the inside and outside difference in air temperature of airduct case of circulating fan and heating arrangement, calculate the leaking heat of airduct case, unit is W/ ℃.
The method of measuring the inboard heating capacity of air conditioner chamber is: suffered resistance is so that guarantee that the static pressure of airduct case air inlet is identical with the static pressure that air conditioner wind outlet requires when overcoming air that tested air conditioner discharges and flow through the airduct case by induced draft fan, measuring and controlling 4 makes the chilled water coil pipe 22 of chilled water system 2, heating arrangement and damping device cool off the air in the airduct case, dehumidifying, heating, add wet process, the dry-bulb temperature that makes the air that flows out from the air outlet of airduct case and wet-bulb temperature equate with wet-bulb temperature that with the dry-bulb temperature of the air of the indoor air inlet of the measured air conditioner of inflow measuring and controlling is according to formula Φ
Twi=Φ
c-Σ P
r-(h
W1-h
W2) * W
c+ Φ
1Calculate the heating capacity of tested air-conditioning,
Wherein: Φ
TwiBe the total heating capacity in tested air conditioner indoor;
Σ P
rPower sum for heating arrangement, damping device, induced draft fan and the consumption of air inlet sampling blower fan;
Φ
cBe the heat that the chilled water in the chilled water coil pipe is taken away, Φ
c=(t
2-t
1) * W
l, t
1Be chilled water coil pipe inflow temperature, t
2Be chilled water coil pipe leaving water temperature, W
lFlow for the chilled water that flows through the chilled water coil pipe;
h
W1Be enthalpy corresponding to humidification water;
h
W2Enthalpy for chilled water coil condensation water;
W
cBe the chilled water coil condensation water yield or the humidification water yield;
Φ
1Be the leaking heat of airduct case to the room, indoor.
When airduct case calorimeter and indoor enthalpy potential method device are used,
Measuring the method for surveying refrigerating capacity in the air conditioner chamber is: the air inlet of airduct case links to each other with the air outlet of indoor enthalpy potential method device, the air outlet of tested air conditioner links to each other with the air inlet of indoor enthalpy potential method device, adopts the static pressure of measuring the air port requirement in static pressure that induced draft fan 8 comes the static pressure measurement point at enthalpy potential method device air inlet place in the conditioning chamber and the air conditioner chamber identical; Measuring and controlling control heating arrangement heats, controls damping device to the air in the airduct case air in the airduct case is carried out humidification, make the dry-bulb temperature of the air that flows out through the air outlet of airduct case identical with dry-bulb temperature and the wet-bulb temperature of the air of the indoor air inlet of the measured air conditioner of inflow with wet-bulb temperature, measuring and controlling is according to formula Φ
Tci=Σ P
r+ Φ
1Calculate the auxiliary measured value of refrigerating capacity of the indoor survey of tested air conditioner;
Wherein: Φ
TciBe tested air conditioner indoor overall refrigerating effect;
Σ P
rBe the sampling blower fan of heating arrangement, damping device, induced draft fan, indoor enthalpy potential method device and the power sum of air inlet sampling blower fan consumption;
Φ
1Be the leaking heat of airduct case to the room, indoor;
The refrigerating capacity that the refrigerating capacity that indoor enthalpy potential method device is surveyed and airduct case calorimeter are surveyed compares, and the two phase difference is in 5%, and this time test effectively.
The method of measuring the inboard heating capacity of air conditioner chamber is: the air inlet of airduct case links to each other with the air outlet of indoor enthalpy potential method device, the air outlet of tested air conditioner links to each other with the air inlet of indoor enthalpy potential method device, adopts the static pressure of measuring the air port requirement in static pressure that induced draft fan 8 comes enthalpy potential method device air inlet place in the conditioning chamber and the air conditioner chamber identical; Chilled water coil pipe, heating arrangement and the damping device of measuring and controlling control chilled water system cool off, dehumidify, heat, add wet process to the air in the airduct case, make the dry-bulb temperature of the air that flows out through the air outlet of airduct case identical with dry-bulb temperature and the wet-bulb temperature of the air of the indoor air inlet of the measured air conditioner of inflow with wet-bulb temperature, measuring and controlling is according to formula Φ
Twi=Φ
c-Σ P
r-(h
W1-h
W2) * W
c+ Φ
1Calculate the heating capacity of tested air conditioner,
Wherein: Φ
TwiBe the total heating capacity in tested air conditioner indoor;
Σ P
rBe the sampling blower fan of heating arrangement, damping device, induced draft fan, indoor enthalpy potential method device and the power sum of air inlet sampling blower fan consumption;
Φ
cBe the heat that the chilled water in the chilled water coil pipe is taken away, Φ
c=(t
2-t
1) * W
l, t
1Be chilled water coil pipe inflow temperature, t
2Be chilled water coil pipe leaving water temperature, W
lFlow for the chilled water that flows through the chilled water coil pipe;
h
W1Enthalpy for humidification water;
h
W2Enthalpy for chilled water coil condensation water;
W
cBe the chilled water coil condensation water yield or the humidification water yield;
Φ
1Be the leaking heat of airduct case to the room, indoor;
The refrigerating capacity that the refrigerating capacity that indoor enthalpy potential method device is surveyed and airduct case calorimeter are surveyed compares, and the two phase difference is in 5%, and this time test effectively.
The method of measuring tested air conditioner outside refrigerating capacity is: the air inlet of airduct case links to each other with the outdoor air outlet of tested air conditioner, suffered resistance when overcoming air that tested air conditioner discharges and flow through the airduct case by induced draft fan in the airduct case, so that guarantee that the static pressure of airduct case air inlet is identical with the static pressure of air outlet requirement outside the air conditioner chamber, the chilled water coil pipe of measuring and controlling control chilled water system, heating arrangement and damping device cool off the air in the airduct case, dehumidifying, heating, add wet process, make the dry-bulb temperature of the air that flows out through the air outlet of airduct case identical with dry-bulb temperature and the wet-bulb temperature of the air of the outdoor air inlet of inflow tested air conditioner with wet-bulb temperature, measuring and controlling is according to formula Ф
Tco=Ф
c-∑ P
0-P
t-(h
W1-h
W2) * W
r+ Ф
lCalculate tested air conditioner outside refrigerating capacity (auxiliary measured value), and compare with tested air conditioner indoor refrigerating capacity (main measured value, enthalpy potential method is measured in the used chamber), the two phase difference should be in 5%, and this time test effectively.
Wherein: Ф
TcoRefrigerating capacity for the tested air conditioner outside;
Ф
cThe heat of taking away for the chilled water in the chilled water coil pipe;
∑ P
0Power sum for heating arrangement, damping device, induced draft fan and the consumption of air inlet sampling blower fan;
P
tTotal power input for tested air conditioner;
h
W1Enthalpy for humidification water;
h
W2Enthalpy for chilled water coil condensation water;
W
rBe the chilled water coil condensation water yield or the humidification water yield;
Ф
lBe the leaking heat of airduct case to the room, outside;
The method of measuring tested air conditioner outside heating capacity is: the air inlet of airduct case links to each other with the outdoor air outlet of tested air conditioner, suffered resistance when overcoming air that tested air conditioner discharges and flow through the airduct case by induced draft fan in the airduct case, so that the static pressure of airduct case air inlet is identical with the static pressure of air outlet requirement outside the air conditioner chamber, measuring and controlling control heating arrangement carries out heat treated to the air in the airduct case, the control damping device adds wet process to the air in the airduct case, make the dry-bulb temperature of the air that flows out through the air outlet of airduct case identical with dry-bulb temperature and the wet-bulb temperature of the air of the outdoor air inlet of the measured air conditioner of inflow with wet-bulb temperature, measuring and controlling is according to formula Ф
Ho=∑ P
0+ P
t+ (h
W1-h
W2) * W
r+ Ф
lCalculate tested air conditioner outside heating capacity (auxiliary measured value), and compare with tested air conditioner indoor heating capacity (main measured value, enthalpy potential method is measured in the used chamber), the two phase difference should be in 5%, and this time test effectively.
Wherein: Ф
HoHeat pump heating capacity for the tested air conditioner outside;
∑ P
0Power sum for heater assembly, humidifier device, induced draft fan and the consumption of air inlet sampling blower fan;
P
tTotal power input for tested air conditioner;
h
W1Be enthalpy corresponding to humidification water;
h
W2Enthalpy for chilled water coil condensation water;
W
rBe the humidification water yield;
Ф
lBe the leaking heat of airduct case to the room, outside.
Claims (10)
1. airduct case calorimeter, it is characterized in that, comprise the airduct case, chilled water system, heating arrangement, damping device, induced draft fan and measuring and controlling, described chilled water system comprises the chilled water coil pipe that is arranged in the described airduct case, described airduct case is provided with airduct case air inlet and airduct case air outlet, described heating arrangement, damping device and induced draft fan are arranged in the described airduct case, and described measuring and controlling is used for the control chilled water system, heating arrangement, damping device is connected duty and so that tested air conditioner air outlet static pressure identical and air dry-bulb temperature and wet-bulb temperature of air outlet of flowing out the airduct case when not connecting the airduct case is identical with wet-bulb temperature and calculate the refrigerating capacity of measured air conditioner with the dry-bulb temperature of the air of the air inlet of the measured air conditioner of inflow with induced draft fan, heating capacity.
2. airduct case calorimeter according to claim 1 is characterized in that, also comprises the EAT measurement mechanism for detection of the temperature of the air that flows into the airduct case.
3. airduct case calorimeter according to claim 2 is characterized in that, described EAT measuring and controlling comprises air inlet sampling blower fan, and the air-out air-flow of described air inlet sampling blower fan comes back in the described airduct case.
4. according to claim 1 and 2 or 3 described airduct case calorimeters, it is characterized in that, be provided with mixer in the described airduct case.
5. method of carrying out Air conditioner refrigerating capacity heating capacity test by airduct case calorimeter claimed in claim 1, it is characterized in that, the air inlet of airduct case is docked with the air outlet sealing of tested air conditioner, suffered resistance when overcoming air that tested air conditioner discharges and flow through the airduct case by induced draft fan is so that the static pressure that air outlet requires in the static pressure of airduct case air inlet and the air conditioner chamber is identical, and the air that tested air conditioner is discharged is from the air outlet outflow of airduct case; Measuring and controlling control chilled water system, heating arrangement and damping device cool off, dehumidify, heat, add wet process to the air in the airduct case, and measure chilled water temperature in the control chilled water coil pipe and flow, heating arrangement and damping device consumed power and so that the dry-bulb temperature of the air that flows out from the air outlet of airduct case is identical with dry-bulb temperature and the wet-bulb temperature of the air of the air inlet of the measured air conditioner of inflow with wet-bulb temperature; According to chilled-water flow and the temperature of the chilled water coil pipe of flowing through, add heat and humidification amount, calculate refrigerating capacity, the heating capacity of tested air conditioner.
6. the method for Air conditioner refrigerating capacity heating capacity according to claim 5 test, it is characterized in that: when airduct case calorimeter used separately, the air inlet of airduct case was with tested air conditioner indoor air outlet sealing docking;
The method of measuring the inboard refrigerating capacity of air conditioner chamber is: measuring and controlling make heating arrangement to the air in the airduct case heat, damping device carries out humidification to the air in the airduct case, the dry-bulb temperature that makes the air that flows out from the air outlet of airduct case and wet-bulb temperature equate with wet-bulb temperature that with the dry-bulb temperature of the air of the indoor air inlet of the measured air conditioner of inflow measuring and controlling is according to formula Φ
Tci=Σ P
r+ Φ
1Calculate the refrigerating capacity of tested air conditioner,
Wherein: Φ
TciBe tested air conditioner indoor overall refrigerating effect;
Σ P
rPower sum for heating arrangement, damping device and induced draft fan consumption;
Φ
1Be the leaking heat of airduct case to the room, indoor;
Measuring the method for surveying heating capacity in the air conditioner chamber is: measuring and controlling makes chilled water coil pipe, heating arrangement and the damping device of chilled water system cool off, dehumidify, heat, add wet process to the air in the airduct case, the dry-bulb temperature that makes the air that flows out from the air outlet of airduct case and wet-bulb temperature equate with wet-bulb temperature that with the dry-bulb temperature of the air of the indoor air inlet of the measured air conditioner of inflow measuring and controlling is according to formula Φ
Twi=Φ
c-Σ P
r-(h
W1-h
W2) * W
c+ Φ
1Calculate the heating capacity of tested air-conditioning,
Wherein: Φ
TwiBe the total heating capacity in tested air conditioner indoor;
Σ P
rPower sum for heating arrangement, damping device and induced draft fan consumption;
Φ
cBe the heat that the chilled water in the chilled water coil pipe is taken away, Φ
c=(t
2-t
1) * W
l, t
1Be chilled water coil pipe inflow temperature, t
2Be chilled water coil pipe leaving water temperature, W
lFlow for the chilled water that flows through the chilled water coil pipe;
h
W1Be enthalpy corresponding to humidification water;
h
W2Enthalpy for chilled water coil condensation water;
W
cBe the chilled water coil condensation water yield or the humidification water yield;
Φ
1Be the leaking heat of airduct case to the room, indoor.
7. the method for Air conditioner refrigerating capacity heating capacity according to claim 5 test is characterized in that, when airduct case calorimeter and indoor enthalpy potential method device are used,
Measuring the method for surveying refrigerating capacity in the air conditioner chamber is: the air inlet of airduct case links to each other with the air outlet of indoor enthalpy potential method device, the indoor air outlet of tested air conditioner links to each other with the air inlet of indoor enthalpy potential method device, and the static pressure that adopts static pressure that induced draft fan in the airduct case comes enthalpy potential method device air inlet place in the conditioning chamber and air conditioner chamber inboard air outlet to require is identical; Measuring and controlling control heating arrangement heats, controls damping device to the air in the airduct case air in the airduct case is carried out humidification, make the dry-bulb temperature of the air that flows out through the air outlet of airduct case identical with dry-bulb temperature and the wet-bulb temperature of the air of the indoor air inlet of the measured air conditioner of inflow with wet-bulb temperature, measuring and controlling is according to formula Φ
Tci=Σ P
r+ Φ
1Calculate the auxiliary measured value of refrigerating capacity of the indoor survey of tested air conditioner;
Wherein: Φ
TciBe tested air conditioner indoor overall refrigerating effect;
Σ P
rThe power sum that consumes for the sampling blower fan of heating arrangement, damping device, induced draft fan and indoor enthalpy potential method device;
Φ
1Be the leaking heat of airduct case to the room, indoor;
The refrigerating capacity that the refrigerating capacity that indoor enthalpy potential method device is surveyed and airduct case calorimeter are surveyed compares, and the two phase difference is in 5%, and this time test effectively;
The method of measuring the inboard heating capacity of air conditioner chamber is: the air inlet of airduct case links to each other with the air outlet of indoor enthalpy potential method device, the indoor air outlet of tested air conditioner links to each other with the air inlet of indoor enthalpy potential method device, and the static pressure that adopts static pressure that induced draft fan in the airduct case comes enthalpy potential method device air inlet place in the conditioning chamber and air conditioner chamber inboard air outlet to require is identical; Chilled water coil pipe, heating arrangement and the damping device of measuring and controlling control chilled water system cool off, dehumidify, heat, add wet process to the air in the airduct case, make the dry-bulb temperature of the air that flows out through the air outlet of airduct case identical with dry-bulb temperature and the wet-bulb temperature of the air of the indoor air inlet of the measured air conditioner of inflow with wet-bulb temperature, measuring and controlling is according to formula Φ
Twi=Φ
c-Σ P
r-(h
W1-h
W2) * W
c+ Φ
1Calculate the heating capacity of tested air conditioner,
Wherein: Φ
TwiBe the total heating capacity in tested air conditioner indoor;
Σ P
rThe power sum that consumes for the sampling blower fan of heating arrangement, damping device, induced draft fan and indoor enthalpy potential method device;
Φ
cBe the heat that the chilled water in the chilled water coil pipe is taken away, Φ
c=(t
2-t
1) * W
l, t
1Be chilled water coil pipe inflow temperature, t
2Be chilled water coil pipe leaving water temperature, W
lFlow for the chilled water that flows through the chilled water coil pipe;
h
W1Enthalpy for humidification water;
h
W2Enthalpy for chilled water coil condensation water;
W
cBe the chilled water coil condensation water yield or the humidification water yield;
Φ
1Be the leaking heat of airduct case to the room, indoor;
The refrigerating capacity that the refrigerating capacity that indoor enthalpy potential method device is surveyed and airduct case calorimeter are surveyed compares, and the two phase difference is in 5%, and this time test effectively.
8. the method for Air conditioner refrigerating capacity heating capacity test according to claim 5 is characterized in that, when adopting indoor enthalpy potential method measurement device Air conditioner refrigerating capacity, heating capacity,
The method of measuring tested air conditioner outside refrigerating capacity by airduct case calorimeter is: the air inlet of airduct case links to each other with the outdoor air outlet of tested air conditioner, suffered resistance when overcoming air that tested air conditioner discharges and flow through the airduct case by induced draft fan in the airduct case, so that guarantee that the static pressure of airduct case air inlet is identical with the static pressure of air outlet requirement outside the air conditioner chamber, the chilled water coil pipe of measuring and controlling control chilled water system, heating arrangement and damping device cool off the air in the airduct case, dehumidifying, heating, add wet process, make the dry-bulb temperature of the air that flows out through the air outlet of airduct case identical with dry-bulb temperature and the wet-bulb temperature of the air of the outdoor air inlet of inflow tested air conditioner with wet-bulb temperature, measuring and controlling is according to formula Ф
Tco=Ф
c-∑ P
0-P
t-(h
W1-h
W2) * W
r+ Ф
lCalculate tested air conditioner outside refrigerating capacity, and compare with tested air conditioner indoor refrigerating capacity, the two phase difference should be in 5%, and this time test effectively;
Wherein: Ф
TcoRefrigerating capacity for the tested air conditioner outside;
Ф
cThe heat of taking away for the chilled water in the chilled water coil pipe;
∑ P
0Power sum for heating arrangement, damping device and induced draft fan consumption;
P
tTotal power input for tested air conditioner;
h
W1Enthalpy for humidification water;
h
W2Enthalpy for chilled water coil condensation water;
W
rBe the chilled water coil condensation water yield or the humidification water yield;
Ф
lBe the leaking heat of airduct case to the room, outside;
The method of measuring tested air conditioner outside heating capacity by airduct case calorimeter is: the air inlet of airduct case links to each other with the outdoor air outlet of tested air conditioner, suffered resistance when overcoming air that tested air conditioner discharges and flow through the airduct case by induced draft fan in the airduct case, so that the static pressure of airduct case air inlet is identical with the static pressure of air outlet requirement outside the air conditioner chamber, measuring and controlling control heating arrangement carries out heat treated to the air in the airduct case, the control damping device adds wet process to the air in the airduct case, make the dry-bulb temperature of the air that flows out through the air outlet of airduct case identical with dry-bulb temperature and the wet-bulb temperature of the air of the outdoor air inlet of the measured air conditioner of inflow with wet-bulb temperature, measuring and controlling is according to formula Ф
Ho=∑ P
0+ P
t+ (h
W1-h
W2) * W
r+ Ф
lCalculate tested air conditioner outside heating capacity (auxiliary measured value), and compare with tested air conditioner indoor heating capacity (main measured value, enthalpy potential method is measured in the used chamber), the two phase difference should be in 5%, and this time test effectively;
Wherein: Ф
HoHeat pump heating capacity for the tested air conditioner outside;
∑ P
0Power sum for induced draft fan, heater assembly and the consumption of humidifier device;
P
tTotal power input for tested air conditioner;
h
W1Be enthalpy corresponding to humidification water;
h
W2Enthalpy for chilled water coil condensation water;
W
rBe the humidification water yield;
Ф
lBe the leaking heat of airduct case to the room, outside.
9. according to claim 5 or the method for 6 or 7 or 8 described Air conditioner refrigerating capacity heating capacities test, it is characterized in that, when airduct case calorimeter is provided with the sampling air stream return air bobbin carriage that air inlet sampling blower fan and air inlet sample blower fan extract, described ∑ P
0With Σ P
rAlso to comprise the power that the sampling blower fan consumes.
10. according to claim 5 or the method for 6 or 7 or 8 described Air conditioner refrigerating capacity heating capacities test, it is characterized in that, at the air inlet place of airduct case calorimeter the static pressure measurement point is set, suffered resistance when being used for the monitoring induced draft fan and overcoming air that tested air conditioner discharges and flow through measurement mechanism guarantees that air conditioner chamber is inboard, the static pressure of outside air outlet is identical when not connecting measurement mechanism.
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| CN105091239B (en) * | 2015-08-26 | 2018-07-10 | 珠海格力电器股份有限公司 | Air conditioning control method and air-conditioner control system |
| CN106123243A (en) * | 2016-07-27 | 2016-11-16 | 长沙海赛电装科技股份有限公司 | Air-conditioning device refrigeration capacity test method based on multidimensional curve fitting algorithm |
| CN106123243B (en) * | 2016-07-27 | 2019-06-04 | 长沙海赛电装科技股份有限公司 | Air-conditioning device refrigeration capacity test method based on multidimensional curve fitting algorithm |
| CN107436017A (en) * | 2017-08-01 | 2017-12-05 | 珠海格力电器股份有限公司 | Movable air conditioner refrigeration capacity test device and method of testing |
| CN107436017B (en) * | 2017-08-01 | 2019-03-15 | 珠海格力电器股份有限公司 | Movable air conditioner refrigeration capacity test device and test method |
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