CN104132435B - Air conditioner refrigeration quantity measuring method and system - Google Patents
Air conditioner refrigeration quantity measuring method and system Download PDFInfo
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- CN104132435B CN104132435B CN201410406569.8A CN201410406569A CN104132435B CN 104132435 B CN104132435 B CN 104132435B CN 201410406569 A CN201410406569 A CN 201410406569A CN 104132435 B CN104132435 B CN 104132435B
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- interior room
- air conditioner
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- refrigerating capacity
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005057 refrigeration Methods 0.000 title claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000002474 experimental method Methods 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 238000012958 reprocessing Methods 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 25
- 238000005516 engineering process Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The application discloses a method and a system for measuring the refrigerating capacity of an air conditioner, which comprise the following steps: the air conditioner testing system comprises a first outdoor unit, a first indoor unit, an indoor side working condition machine, a first temperature and humidity regulator, a second outdoor unit, a second indoor unit, an outdoor side working condition machine and a second temperature and humidity regulator, and is characterized in that the outdoor unit of the air conditioner to be tested is arranged in a suite to be tested, so that the problem of arrangement of the air conditioner to be tested in the prior art is solved, independent testing of two sets of air conditioners to be tested can be simultaneously realized under the condition that the original testing space is not changed, namely, two thermal balance tests are completed on the basis of a thermal balance table, and the testing efficiency is improved.
Description
Technical field
The present invention relates to Air conditioner refrigerating capacity field of measuring technique, in particular, it is related to a kind of Air conditioner refrigerating capacity and surveys
Amount method and system.
Background technology
At present, Air conditioner refrigerating capacity is typically tested using room type calorimeter method.In actual test, off-premises station sets
Put in outside interior room, indoor set is disposed in the interior side interior room, therefore, the refrigerating capacity that outside interior room is measured is off-premises station
Refrigerating capacity, the refrigerating capacity that indoor interior room is measured is the refrigerating capacity of indoor set.Air conditioner refrigerating capacity is only surveyed with indoor interior room
The refrigerating capacity of the indoor set measuring is defined, and the refrigerating capacity of the off-premises station that outside interior room is measured only plays a checking auxiliary
Effect.
Because current this measuring method can only test a set of air-conditioner to be measured every time, therefore testing efficiency is low.
Content of the invention
In view of this, the present invention provides a kind of Air conditioner refrigerating capacity measuring method and system, to solve traditional measurement method
The low problem of testing efficiency.
A kind of Air conditioner refrigerating capacity measuring system, comprising:
First off-premises station of the first air-conditioner to be measured being disposed in the interior in the inner room of side;
It is connected and is disposed in the interior the first interior of the described first air-conditioner to be measured of side interior room with described first off-premises station
Machine;
It is arranged on the indoor operating mode machine of described indoor interior room;
It is arranged on the first thermo hydrograph regulator of described indoor interior room;
Second off-premises station of the second air-conditioner to be measured being disposed in the outdoor in the inner room of side;
It is connected and is disposed in the outdoor the second interior of the described second air-conditioner to be measured of side interior room with described second off-premises station
Machine;
It is arranged on the outside operating mode machine of described outside interior room;
And it is arranged on the second thermo hydrograph regulator of described outside interior room.
Preferably, described first off-premises station and described first indoor set pass through the first indoor and outdoor connecting pipe line and connect.
Preferably, described second off-premises station and described second indoor set pass through connecting pipeline inside and outside second Room and connect.
Preferably, the humiture that described first thermo hydrograph regulator and described second thermo hydrograph regulator are all structure as a whole
Actuator.
Preferably, described first thermo hydrograph regulator and described second thermo hydrograph regulator are the humiture of Split type structure
Actuator.
A kind of Air conditioner refrigerating capacity measuring method, is applied to Air conditioner refrigerating capacity measuring system described above, comprising:
Obtain the total power input ∑ p of indoor operating mode machiner, indoor interior room humidification water or steam enthalpy hw1、
The enthalpy h of indoor interior room condensed water of air conditionerw2, the condensing capacity w in the first air-conditioner to be measuredr, passed through by outside interior room
Midfeather passes to the leaking heat φ of indoor interior room1pAnd obtain in addition to middle walls, pass through wall, floor and sky from surrounding
Card passes to the leaking heat φ of indoor interior room1r;
According to equation φtci=∑ pr+(hw1-hw2)wr+φ1p+φ1rIt is calculated the described first Air conditioner refrigerating capacity to be measured
φtci;
Obtain the total power input ∑ p of outside operating mode machineo, obtain the water of outside interior room humidification or the enthalpy of steam
hw3, obtain the enthalpy h of outside interior room condensed water of air conditionerw4, obtain the second air-conditioner to be measured in condensing capacity wo, obtain by
Outside interior room passes to the leaking heat φ of indoor interior room by midfeather1p, obtain in addition to middle walls, pass through from surrounding
Wall, floor and ceiling pass to the leaking heat φ of outside interior room1oo;
According to equation φtco=∑ po+(hw3-hw4) wo—φ1p+φ1ooIt is calculated the described second air-conditioner refrigeration to be measured
Amount φtco.
Preferably, if not supplying water to described second thermo hydrograph regulator in experimentation, enthalpy hw3Value be locate again
Enthalpy under water temperature in second thermo hydrograph regulator described in reason unit.
Preferably, if the enthalpy h of condensed water of air conditioner can not be obtainedw4, then enthalpy hw4Value be condensation temperature or described
The wet bulb temperature of the second air-conditioner air-supply to be measured.
Preferably, the described leaking heat φ being passed to indoor interior room by outside interior room by midfeather1pReal by demarcating
Test determination or determined by equilibrated type calorimeter.
Preferably, described from surrounding, the leaking heat φ of outside interior room is passed to by wall, floor and ceiling1ooBy
Calibration experiment determines or is determined by equilibrated type calorimeter.
It can be seen from above-mentioned technical scheme that, the invention provides a kind of Air conditioner refrigerating capacity measuring method and system,
Tested by the off-premises station of air-conditioner to be measured is arranged on inner room, the arrangement solving air-conditioner to be measured in prior art is asked
Topic is it is achieved that in the case that original test space is constant, can carry out independent test to two sets of air-conditioners to be measured simultaneously, that is, real
Show and completed two Thermal Balance Test on the basis of a thermal balance platform, thus improve testing efficiency.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing providing obtains other accompanying drawings.
Fig. 1 is a kind of structural representation of Air conditioner refrigerating capacity measuring system disclosed in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
The embodiment of the invention discloses a kind of Air conditioner refrigerating capacity measuring method and system, to solve traditional measurement method survey
The low problem of examination efficiency.
Referring to Fig. 1, a kind of structural representation of Air conditioner refrigerating capacity measuring system disclosed in the embodiment of the present invention, comprising:
First air-conditioner to be measured, the second air-conditioner to be measured, indoor operating mode machine 11, the first thermo hydrograph regulator 12, outside operating mode machine
13 and second thermo hydrograph regulator 14;
Wherein:
First air-conditioner to be measured includes: the first off-premises station 01 and the first indoor set 02.
First off-premises station 01 is disposed in the interior in the inner room of side;
First indoor set 02 is connected with the first off-premises station 01 and is disposed in the interior side interior room;
Indoor operating mode machine 11 is arranged on described indoor interior room;
First thermo hydrograph regulator 12 is arranged on described indoor interior room.
Similar,
Second air-conditioner to be measured includes: the second off-premises station 03 and the second indoor set 04.
Second off-premises station 03 is disposed in the outdoor in the inner room of side;
Second indoor set 04 is connected with the second off-premises station 03 and is disposed in the outdoor side interior room;
Outside operating mode machine 13 is arranged on described outside interior room;
Second thermo hydrograph regulator 14 is disposed in the outdoor side interior room.
In summary it can be seen, Air conditioner refrigerating capacity measuring system disclosed by the invention can be simultaneously to two sets of air-conditioners to be measured
Carry out refrigeration capacity test, by every off-premises station covering air-conditioner to be measured is arranged on inner room, indoor set is disposed in the interior, and solves
Prior art to the Layout Problem of air-conditioner to be measured it is achieved that in the case that original test space is constant, can be simultaneously to two
Cover air-conditioner to be measured and carry out independent test, that is, achieve and complete two Thermal Balance Test on the basis of a thermal balance platform, from
And improve testing efficiency.
Be additionally, since the present invention does not need the expense of extra used device transformation when realizing two Thermal Balance Test,
Therefore, invention also saves experimental cost.
Wherein, in the above-described embodiments, the first off-premises station 01 and the first indoor set 02 pass through the first indoor and outdoor connecting pipe line
05 connection.
Second off-premises station 03 and the second indoor set 04 pass through connecting pipeline 06 inside and outside second Room and connect.
It should be noted that thermo hydrograph regulator can be structure as a whole, that is, thermoregulator and humidistat are one
Body device;Thermo hydrograph regulator can also be Split type structure, i.e. thermoregulator and humidistat is two independent devices.
Therefore, it can the space size according to indoor interior room and outside interior room, determine the first thermo hydrograph regulator 12
The thermo hydrograph regulator being all structure as a whole with the second thermo hydrograph regulator 14 is still the thermo hydrograph regulator of Split type structure,
It is of course also possible to one of them thermo hydrograph regulator of being structure as a whole, another is the thermo hydrograph regulator of Split type structure.
Corresponding with said system embodiment, present invention also offers a kind of Air conditioner refrigerating capacity measuring method.
It should be noted that according to law of conservation of energy, by interior room operating mode machine input power, room leaking heat, plus
The wet water turnover temperature difference, the isoparametric measurement of condensation water quantity and collection, it is possible to obtain Air conditioner refrigerating capacity to be measured.
Disclosed in the embodiment of the present invention, a kind of Air conditioner refrigerating capacity measuring method, is applied to air-conditioning disclosed in above-described embodiment
Device freezes system for measuring quantity, and measuring method includes step:
Step s11, the total power input ∑ p of acquisition indoor operating mode machine 11r, indoor interior room humidification water or steam
Enthalpy hw1, the enthalpy h of indoor interior room condensed water of air conditionerw2, the condensing capacity w in the first air-conditioner to be measuredr, by outside
Interior room passes to the leaking heat φ of indoor interior room by midfeather1pAnd obtain in addition to middle walls, from surrounding pass through wall,
Floor and ceiling pass to the leaking heat φ of indoor interior room1r;
Wherein, total power input ∑ prUnit be w;
Enthalpy hw1With enthalpy hw2Unit be kj/kg;
Condensing capacity wrUnit be g/s;
Leaking heat φ1pWith leaking heat φ1rUnit be w.
If it should be noted that not supplying water to the first thermo hydrograph regulator 12 in experimentation, enthalpy hw1Value be
Enthalpy under water temperature in first thermo hydrograph regulator 12 in reprocessing unit.
If the enthalpy h of condensed water of air conditioner can not be obtainedw2, then enthalpy hw2Value be condensation temperature or the first sky to be measured
Adjust the wet bulb temperature of device air-supply.
Condensing capacity wrIt is the water yield of humidifier evaporation in reprocessing unit.
Pass to the leaking heat φ of indoor interior room by outside interior room by midfeather1pDetermined by calibration experiment or by putting down
Weighing apparatus type calorimeter determines.
From surrounding, the leaking heat φ of indoor interior room is passed to by wall, floor and ceiling1rDetermined by calibration experiment
Or determined by equilibrated type calorimeter.
Step s12, foundation equation φtci=∑ pr+(hw1-hw2)wr+φ1p+φ1rIt is calculated the first air-conditioner system to be measured
Cold φtci;
Step s13, the total power input ∑ p of acquisition outside operating mode machine 13o, obtain outside interior room humidification water or
The enthalpy h of steamw3, obtain the enthalpy h of outside interior room condensed water of air conditionerw4, obtain the second air-conditioner to be measured in condensate
Amount wo, obtain the leaking heat φ being passed to indoor interior room by outside interior room by midfeather1p, obtain in addition to middle walls, from
Surrounding passes to the leaking heat φ of outside interior room by wall, floor and ceiling1oo;
Wherein, total power input ∑ poUnit be w;
Enthalpy hw3With enthalpy hw4Unit be kj/kg;
Condensing capacity woUnit be g/s;
Leaking heat φ1pWith leaking heat φ1ooUnit be w.
If it should be noted that not supplying water to the second thermo hydrograph regulator 14 in experimentation, enthalpy hw3Value be
Enthalpy under water temperature in second thermo hydrograph regulator 14 in reprocessing unit.
If the enthalpy h of condensed water of air conditioner can not be obtainedw4, then enthalpy hw4Value be condensation temperature or the second sky to be measured
Adjust the wet bulb temperature of device air-supply.
Condensing capacity woIt is the water yield of humidifier evaporation in reprocessing unit.
Pass to the leaking heat φ of indoor interior room by outside interior room by midfeather1pDetermined by calibration experiment or by putting down
Weighing apparatus type calorimeter determines.
From surrounding, the leaking heat φ of outside interior room is passed to by wall, floor and ceiling100Determined by calibration experiment
Or determined by equilibrated type calorimeter.
Step s14, foundation equation φtco=∑ po+(hw3-hw4) wo—φ1p+φ1ooIt is calculated the described second sky to be measured
Adjust device refrigerating capacity φtco.
It should be noted is that, the acquisition process (i.e. step 11 and step 12) of the first Air conditioner refrigerating capacity to be measured and
The acquisition process (i.e. step 13 and step 14) of two Air conditioner refrigerating capacities to be measured, does not have sequencing in practical implementation,
The first Air conditioner refrigerating capacity to be measured can first be obtained, obtain the second Air conditioner refrigerating capacity to be measured afterwards;Or it is to be measured first to obtain second
Air conditioner refrigerating capacity, obtains the first Air conditioner refrigerating capacity to be measured afterwards;Or first Air conditioner refrigerating capacity to be measured and the second sky to be measured
Adjust device refrigerating capacity to obtain, here of the present invention does not limit simultaneously.
In summary it can be seen, Air conditioner refrigerating capacity measuring method disclosed by the invention according to law of conservation of energy, using every
Interior room operating mode machine input power in the test environment of set tested air conditioner place, room leaking heat, the humidification water turnover temperature difference, condensation
The parameters such as the water yield, obtain every set tested air conditioner refrigerating capacity, it is achieved thereby that in the case that original test space is constant, permissible
Independent test is carried out to two sets of air-conditioners to be measured simultaneously, that is, achieve and complete two thermal balances on the basis of a thermal balance platform
Test, therefore improves testing efficiency.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (10)
1. a kind of Air conditioner refrigerating capacity measuring system is it is characterised in that include:
First off-premises station of the first air-conditioner to be measured being disposed in the interior in the inner room of side;
It is connected and is disposed in the interior the first indoor set of the described first air-conditioner to be measured of side interior room with described first off-premises station;
It is arranged on the indoor operating mode machine of described indoor interior room;
It is arranged on the first thermo hydrograph regulator of described indoor interior room;
Second off-premises station of the second air-conditioner to be measured being disposed in the outdoor in the inner room of side;
It is connected and is disposed in the outdoor the second indoor set of the described second air-conditioner to be measured of side interior room with described second off-premises station;
It is arranged on the outside operating mode machine of described outside interior room;
And it is arranged on the second thermo hydrograph regulator of described outside interior room.
2. Air conditioner refrigerating capacity measuring system according to claim 1 is it is characterised in that described first off-premises station and described
First indoor set passes through the first indoor and outdoor connecting pipe line and connects.
3. Air conditioner refrigerating capacity measuring system according to claim 1 is it is characterised in that described second off-premises station and described
Second indoor set passes through connecting pipeline inside and outside second Room and connects.
4. Air conditioner refrigerating capacity measuring system according to claim 1 is it is characterised in that described first thermo hydrograph regulator
The thermo hydrograph regulator being all structure as a whole with described second thermo hydrograph regulator.
5. Air conditioner refrigerating capacity measuring system according to claim 1 is it is characterised in that described first thermo hydrograph regulator
It is the thermo hydrograph regulator of Split type structure with described second thermo hydrograph regulator.
6. a kind of Air conditioner refrigerating capacity measuring method is it is characterised in that be applied to the air-conditioner refrigeration described in claim 1 to 5
System for measuring quantity, comprising:
Obtain the total power input ∑ p of indoor operating mode machiner, indoor interior room humidification water or steam enthalpy hw1, indoor
The enthalpy h of side interior room condensed water of air conditionerw2, the condensing capacity w in the first air-conditioner to be measuredr, by outside interior room pass through centre
Partition wall passes to the leaking heat φ of indoor interior room1pAnd obtain in addition to middle walls, pass through wall, floor and ceiling from surrounding
Pass to the leaking heat φ of indoor interior room1r;
According to equation φtci=∑ pr+(hw1-hw2)wr+φ1p+φ1rIt is calculated the described first Air conditioner refrigerating capacity φ to be measuredtci;
Obtain the total power input ∑ p of outside operating mode machineo, obtain the water of outside interior room humidification or the enthalpy h of steamw3、
Obtain the enthalpy h of outside interior room condensed water of air conditionerw4, obtain the second air-conditioner to be measured in condensing capacity wo, obtain by room
Outside interior room passes to the leaking heat φ of indoor interior room by midfeather1p, obtain in addition to middle walls, pass through from surrounding
Wall, floor and ceiling pass to the leaking heat φ of outside interior room1oo;
According to equation φtco=∑ po+(hw3-hw4)wo—φ1p+φ1ooIt is calculated the described second Air conditioner refrigerating capacity to be measured
φtco.
If 7. Air conditioner refrigerating capacity measuring method according to claim 6 is it is characterised in that not to described in experimentation
Second thermo hydrograph regulator supplies water, then enthalpy hw3Value be under water temperature in the second thermo hydrograph regulator described in reprocessing unit
Enthalpy.
If 8. Air conditioner refrigerating capacity measuring method according to claim 6 condenses it is characterised in that air-conditioner can not be obtained
The enthalpy h of waterw4, then enthalpy hw4Value be condensation temperature or the wet bulb temperature of described second air-conditioner to be measured air-supply.
9. Air conditioner refrigerating capacity measuring method according to claim 6 is it is characterised in that described passed through by outside interior room
Midfeather passes to the leaking heat φ of indoor interior room1pDetermined or determined by equilibrated type calorimeter by calibration experiment.
10. Air conditioner refrigerating capacity measuring method according to claim 6 is it is characterised in that described pass through from surrounding
Wall, floor and ceiling pass to the leaking heat φ of outside interior room1ooDetermined or determined by equilibrated type calorimeter by calibration experiment.
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105318496B (en) * | 2015-09-23 | 2018-02-13 | 珠海格力电器股份有限公司 | Air conditioner control method and device |
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 |
CN106871357A (en) * | 2017-02-28 | 2017-06-20 | 青岛海尔空调电子有限公司 | A kind of air-conditioner managing device and the air-conditioner with the managing device |
CN106839323A (en) * | 2017-02-28 | 2017-06-13 | 青岛海尔空调电子有限公司 | A kind of air-conditioner managing device and the air-conditioner with the managing device |
CN106949611A (en) * | 2017-02-28 | 2017-07-14 | 青岛海尔空调电子有限公司 | A kind of air-conditioner managing device and the air-conditioner with the managing device |
CN107178871A (en) * | 2017-05-09 | 2017-09-19 | 广东美的制冷设备有限公司 | Air conditioner and its refrigerating capacity acquisition methods and computer-readable recording medium |
CN107314518A (en) * | 2017-08-31 | 2017-11-03 | 广东美的制冷设备有限公司 | Air conditioner and its efficiency computational methods |
CN109060340B (en) * | 2018-09-07 | 2024-08-23 | 莱茵技术(上海)有限公司 | High-precision air conditioner performance test heat balance chamber |
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