CN102692328A - Multi-split air conditioner detection system and method - Google Patents
Multi-split air conditioner detection system and method Download PDFInfo
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Abstract
The invention provides a multi-split air conditioner detection system and a method, wherein the multi-split air conditioner detection system comprises: the first middle pipe temperature sensing bag (31) is arranged on an evaporator elbow (13) of the first air conditioner indoor unit (11) and used for sensing the temperature of the first middle pipe at the evaporator elbow (13) of the first air conditioner indoor unit (11); and the processor (33) is used for acquiring the temperature of the first middle pipe when the first air conditioner indoor unit (11) is in the working state, comparing the temperature with a first preset temperature, and judging whether the first air conditioner indoor unit (11) breaks down or not according to the comparison result. The invention utilizes a convenient mode to check the multi-split air conditioner and does not need to invest a large amount of manpower and material resources. Therefore, the problem of resource waste caused by the fact that a large amount of manpower, material resources and time are required to be input when the multi-split air conditioning system is checked in the prior art is solved.
Description
Technical field
The present invention relates to the thermometrically field, relate in particular to a kind of multi-gang air-conditioner detection system and method.
Background technology
Multi-gang air-conditioner (heat pump) system (being called for short: how online) is born in nineteen eighty-two; Though have only the development course in year surplus in the of 20; But independently control, use flexibly because it has indoor set; Favorable expandability, good looking appearance, take installing space little, can not establish outstanding advantage such as special-purpose machine room, become one of the most active central air conditioner system form at present.
Got into since 21 century, China has become the production and application big country of how online product, and how online production scale, volume of production and marketing are all advanced by leaps and bounds, and its product quality also improves year after year.The free system of disposition is listed as a kind of of the how online product of how online conduct, the use in middle-size and small-size zones such as suit family, villa, and market outlook are wide.
Fig. 1 shows unit power supply, communication wiring schematic diagram.As shown in Figure 1, freely join how online employing zero live wire communication, the live wire L of the off-premises station XT1 in the outdoor unit 50 ', zero line N and ground wire PE are connected with power supply respectively.And every indoor set in the indoor units 10 ' all can be connected with the corresponding line plate of off-premises station.Zero line N (1) as being connected between indoor set A and the off-premises station XT2 is connected with live wire L.And, as can be seen from Figure 1, carry out communication through connection C between indoor units 10 ' and the outdoor unit 50 '.Simultaneously, also be connected with tracheae, liquid pipe between outdoor unit 50 ' and the indoor units 10 '.Therefore, outdoor unit 50 ' is more with connecting line, the connecting pipe of indoor units 10 ', wiring error in the project installation process, very easily occurs or takes over wrong situation.And for multi-online air-conditioning system, if wiring error occurs or take over wrong situation, light connection wrong then is heavy then can cause problem such as system's operation exception.Therefore, just need after installation, line and the adapter to multi-online air-conditioning system investigate.
In the prior art, multi-online air-conditioning system generally is to investigate failure cause one by one through manual work, and unit itself can't be investigated the reason of fault automatically.But if adopt the mode of the manual work investigation of multi-online air-conditioning system often need drop into great amount of manpower and material resources and time, thereby cause the waste of resource.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of multi-gang air-conditioner detection system and method, when to solve in the prior art multi-online air-conditioning system being investigated, needs to drop into great amount of manpower and material resources and time, causes the problem of the wasting of resources.
To achieve these goals; According to an aspect of the present invention, a kind of multi-gang air-conditioner detection system is provided, has comprised: manage bulb in first; Be arranged on the evaporator elbow of first air conditioner room unit, be used for first of the sensing first air conditioner indoor unit evaporator elbow and manage temperature; Processor is used for obtaining first air conditioner room unit first when in running order and manages temperature, compares with first preset temperature, and judges according to comparative result whether first air conditioner room unit breaks down.
Further; The multi-gang air-conditioner detection system also comprises: first goes out to manage bulb; It is inboard to be arranged at the air-conditioner outdoor unit and the first air conditioner room unit corresponding valve, is used for first of sensing air-conditioner outdoor unit and the first air conditioner room unit corresponding valve place, first air conditioner room unit and goes out to manage temperature change value; Wherein, processor also is used to obtain air conditioner room unit first when in running order and goes out to manage temperature change value, compares with second preset temperature, and judges according to comparative result whether normal the tracheae of first indoor apparatus of air conditioner connects.
Further, the multi-gang air-conditioner detection system also comprises: manage bulb in second, be arranged on the second air conditioner room unit evaporator elbow, be used for second of the sensing second air conditioner room unit evaporator elbow and manage temperature; Wherein, second when processor also is used for obtaining second air conditioner room unit and is in holding state managed temperature, compares managing temperature in the pipe temperature and first in second, and judges according to comparative result whether first air conditioner room unit breaks down.
Further; The multi-gang air-conditioner detection system also comprises: second goes out to manage bulb; It is inboard to be arranged at the air-conditioner outdoor unit and the second air conditioner room unit corresponding valve; Be used for the sensing air-conditioner outdoor unit and go out to manage temperature change value with second of the corresponding valve of second air conditioner room unit place second air conditioner room unit, wherein, second when processor also is used to obtain second air conditioner room unit and is in holding state goes out to manage temperature change value; Go out to manage temperature change value and first with second and go out to manage temperature change value and compare, and judge according to comparative result whether normal the tracheae of first air conditioner room unit connects.
Further, second air conditioner chamber is a plurality of, and wherein, the quantity of pipe bulb is a plurality of in second, each in second the pipe bulb be arranged on the evaporator elbow of any one second air conditioner room unit in a plurality of second air conditioner room units; Second go out to manage bulb quantity be a plurality of, second to go out to manage any one second air conditioner room unit corresponding valve that bulb is arranged in air-conditioner outdoor unit and a plurality of second air conditioner room unit inboard for each.
According to another aspect of the present invention; A kind of multi-gang air-conditioner detection method also is provided; Comprise: move first air conditioner room unit, obtain first air conditioner room unit first in manage temperature, and obtain second air conditioner room unit and be in second under the holding state and manage temperature; Judge whether the pipe temperature is lower than the pipe temperature first predetermined variation amount in second in first; When pipe temperature in first was lower than in second the pipe temperature first predetermined variation amount, the connection of then confirming as first air conditioner room unit connected normal.
Further, the multi-gang air-conditioner detection method also comprises: when the pipe temperature is higher than in second the pipe temperature in first, then confirm as the connection connection error of first indoor apparatus of air conditioner and second air conditioner room unit; When the pipe temperature equals to manage temperature in second in first, then confirm as the tracheae connection error of first indoor apparatus of air conditioner.
Further; The multi-gang air-conditioner detection method also comprises: when pipe temperature in first is lower than in second the pipe temperature first predetermined variation amount; The aperture of the electric expansion valve of first air conditioner room unit is adjusted to first predetermined value, writes down the indoor set first of first air conditioner room unit after first schedule time of starting shooting and go out to manage temperature; The aperture of the electric expansion valve of first air conditioner room unit is adjusted to second predetermined value, writes down the indoor set second of first air conditioner room unit after second schedule time of starting shooting and go out to manage temperature, wherein, second predetermined value is lower than first predetermined value; Judge that whether first go out to manage temperature change value greater than the second predetermined variation amount, wherein, first to go out to manage temperature change value be second to go out to manage temperature and first and go out to manage the poor of temperature; When first goes out to manage temperature change value greater than the second predetermined variation amount, confirm that the tracheae of first air conditioner room unit connects normal.
Further; The multi-gang air-conditioner detection method also comprises: when first goes out to manage temperature change value and be less than or equal to the second predetermined variation amount; The aperture of the electric expansion valve of second air conditioner room unit is adjusted to first predetermined value, writes down second indoor apparatus of air conditioner and after first schedule time of starting shooting, the 3rd go out to manage temperature; The aperture of the electric expansion valve of second air conditioner room unit is adjusted to second predetermined value, writes down second indoor apparatus of air conditioner and after second schedule time of starting shooting, the 4th go out to manage temperature; Judge that whether second go out to manage temperature change value greater than the second predetermined variation amount, wherein, second to go out to manage temperature change value be the 4th to go out to manage temperature and the 3rd and go out to manage the poor of temperature; When second goes out to manage temperature change value greater than the second predetermined variation amount, then confirm the tracheae connection error of first indoor apparatus of air conditioner and second air conditioner room unit.
Further, the multi-gang air-conditioner detection method also comprises: when second goes out to manage temperature change value and be less than or equal to the second predetermined variation amount, confirm that then the tracheae of first indoor apparatus of air conditioner connects normal.
Use technical scheme of the present invention; Manage temperature in when the utilizing bulb to obtain first air conditioner room unit in running order first; And utilize controller will obtain first temperature of first air conditioner room unit when in running order, compare with first preset temperature of setting.Perhaps; Through relatively whether the pipe temperature is lower than the pipe temperature first predetermined variation amount in second in first and relatively second whether go out to manage temperature change value greater than the second predetermined variation amount mode; Thereby then controller just can judge whether first air conditioner room unit breaks down according to comparative result; Can utilize comparatively easily mode that the multi-gang air-conditioner device is investigated, nor need to drop into lot of manpower and material resources.And then solved in the prior art when multi-online air-conditioning system investigated, need to drop into great amount of manpower and material resources and time, cause the problem of the wasting of resources.
Except top described purpose, feature and advantage, the present invention also has other purpose, feature and advantage.To do further detailed explanation to the present invention with reference to figure below.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows unit power supply of the prior art, communication wiring schematic diagram;
Fig. 2 shows the annexation synoptic diagram according to the multi-gang air-conditioner detection system of the embodiment of the invention;
Fig. 3 shows the structural representation according to the multi-gang air-conditioner detection system of the embodiment of the invention one;
Fig. 4 show according to the multi-gang air-conditioner detection system of the embodiment of the invention one first in pipe bulb structural representation;
Fig. 5 shows the structural representation according to the multi-gang air-conditioner detection system of the embodiment of the invention two;
Fig. 6 shows according to first of the multi-gang air-conditioner detection system of the embodiment of the invention two and goes out to manage the bulb structural representation;
Fig. 7 shows the structural representation according to the multi-gang air-conditioner detection system of the embodiment of the invention three;
Fig. 8 shows the structural representation according to the multi-gang air-conditioner detection system of the embodiment of the invention four;
Fig. 9 shows the multi-gang air-conditioner detection method process flow diagram according to the embodiment of the invention five;
Figure 10 shows the multi-gang air-conditioner detection method process flow diagram according to the embodiment of the invention six;
The multi-online air-conditioning system that Figure 11 shows according to the embodiment of the invention is in the synoptic diagram under the connecting line connection error state; And
The multi-online air-conditioning system that Figure 12 shows according to the embodiment of the invention is in the synoptic diagram under the tracheae connection error state.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Fig. 2 shows the annexation synoptic diagram according to the multi-gang air-conditioner detection system of the embodiment of the invention.As shown in Figure 2, multi-online air-conditioning system comprises indoor units 10 and outdoor unit 50.As shown in Figure 2, multi-gang air-conditioner detection system 30 is arranged between indoor units 10 and the outdoor unit 50.Both can be connected with indoor units 10 and outdoor unit 50 simultaneously, and also can only be connected with indoor units 10, concrete connected mode will be described in detail in embodiment subsequently.
Fig. 3 shows the structural representation according to the multi-gang air-conditioner detection system of the embodiment of the invention one.As shown in Figure 3, multi-gang air-conditioner detection system 30 comprises pipe bulb 31 and processor 33 in first.And in this exemplifying embodiment, indoor units 10 comprises first air conditioner room unit 11.
Fig. 4 show according to the multi-gang air-conditioner detection system of the embodiment of the invention one first in pipe bulb structural representation.As shown in Figure 4, pipe bulb 31 is arranged on the evaporator elbow 13 of first air conditioner room unit 11 in first, is used for first of sensing first indoor apparatus of air conditioner 11 evaporator elbows 13 places and manages temperature.
In the present embodiment, 33 of processors are used for obtaining first air conditioner room unit 11 first when in running order and manage temperature, compare with first preset temperature, and judge according to comparative result whether first air conditioner room unit 11 breaks down.
Particularly, in the present embodiment, first air conditioner room unit 11 can be any air conditioner room unit to be detected in the indoor units 10.When multi-online air-conditioning system was detected, needs detected the wiring and the adapter of every air conditioner room unit one by one, then can the current air conditioner room unit that is detecting be regarded as first air conditioner room unit.
In the present embodiment; Manage temperature in when the utilizing bulb to obtain first air conditioner room unit 11 in running order first; Then if the connection of this air conditioner room unit and tracheae connect just often, the numerical value after the middle pipe temperature of air conditioner reduces also should be complementary with the temperature reduction amount that the testing staff sets.If the temperature reduction amount that the testing staff sets is 2 ℃; Room temperature is 20 ℃; The middle pipe temperature of this air conditioner room unit is not 18 degree when working, and then normal if the connection of this air conditioner room unit and tracheae connect, the middle pipe temperature of air conditioner should be less than or equal to 16 ℃ when detecting in then working.Then whether the middle pipe temperature through first air conditioner room unit 11 in the testing is less than or equal to 16 ℃, and whether connection and the tracheae that just can judge first indoor apparatus of air conditioner connect normal.
Therefore, just can obtain in first air conditioner room unit 11 first when in running order and manage temperature, judge with the mode that first preset temperature of a setting compares whether first air conditioner room unit 11 breaks down through processor 33.Wherein, first preset temperature of setting is the temperature reduction amount set of the room temperature that arrives of prerequisite and testing staff poor for it, an arbitrary temp value of perhaps determining for value rule of thumb.For example; If first preset temperature of the difference of the temperature reduction amount that room temperature of mentioning before setting and testing staff set for setting; The air conditioner room unit of current detection first in pipe temperature during greater than first preset temperature of this setting; Just can judge the connecting line or the tracheae connection error of this air conditioner room unit, this air conditioner room unit occurs existing fault to need to handle.
Through this detection mode in the present embodiment, utilization mode is comparatively easily investigated the multi-gang air-conditioner device, and detection mode is comparatively convenient, and efficient is higher.Nor need to drop into lot of manpower and material resources.Thereby, solved in the prior art when multi-online air-conditioning system investigated, need to drop into great amount of manpower and material resources and time, cause the problem of the wasting of resources.
Fig. 5 shows the structural representation according to the multi-gang air-conditioner detection system of the embodiment of the invention two.As shown in Figure 5, in the present embodiment, multi-gang air-conditioner detection system 30 has comprised that further first goes out to manage bulb 35.And outdoor unit 50 comprises air-conditioner outdoor unit 51.
Fig. 6 shows according to first of the multi-gang air-conditioner detection system of the embodiment of the invention two and goes out to manage the bulb structural representation.As shown in Figure 6; In the present embodiment; First goes out to manage bulb 35 is arranged at air-conditioner outdoor unit 51 and first air conditioner room unit, 11 corresponding valve, 53 inboards, is used for sensing air-conditioner outdoor unit 51 going out to manage temperature change value with first of first air conditioner room units first air conditioner room unit, 11 corresponding valves, 53 places.
Simultaneously, as shown in Figure 6, have a plurality of and air-conditioner outdoor unit 51 corresponding valve 53 at air-conditioner outdoor unit 51 places, and be fixed on the plate construction, and this plate construction is arranged in the A position of Fig. 6 through stationary installation.As can be seen from Figure 6, each valve inboard is provided with out the pipe bulb.Wherein, label is that 35 bulb is represented the bulb that first air conditioner room unit is corresponding, and the bulb of label 39 representes that second detects the corresponding bulb of air conditioner room unit, i.e. the bulb of the correspondence of the air conditioner room unit except that first air conditioner room unit.Its concrete effect will describe in embodiment subsequently.
In the present embodiment; Processor 33 also be used to obtain first air conditioner room unit 11 of first air conditioner room unit 11 when in running order corresponding first go out to manage temperature change value; Compare with second preset temperature, and judge according to comparative result whether normal the tracheae of first indoor apparatus of air conditioner 11 connects.
Particularly; For whether the fault of confirming first air conditioner is caused by tracheae connection error; In the present embodiment; At air-conditioner outdoor unit 51 and the first indoor apparatus of air conditioner corresponding valve, 53 places bulb is set; What thereby air-conditioner outdoor unit 51 places were corresponding with first indoor apparatus of air conditioner when obtaining first air conditioner room unit 11 in running order first goes out to manage temperature, then if the connection of this air conditioner room unit and tracheae connect just often, to manage the temperature height during the going out to manage temperature and should not work than this air conditioner of air conditioner.And go out to manage the variation of temperature value; This went out to manage the poor of temperature value when promptly this temperature value that goes out to manage and first air conditioner were not worked under the first air conditioner duty; Should have certain relation with second preset temperature, this variable quantity should equal the first preset preset temperature and first air conditioner room unit 11 temperature during duty poor not among the embodiment one under the perfect condition.Wherein, the temperature reduction amount that second preset temperature can be set for above-mentioned room temperature and testing staff poor, an arbitrary temp value of perhaps determining for value rule of thumb.
Therefore; Processor 33 through obtain first air conditioner room unit 11 when in running order air-conditioner outdoor unit 51 places corresponding with first indoor apparatus of air conditioner first go out to manage temperature change value; Compare with second preset temperature, processor 33 just can and judge according to comparative result whether first air conditioner room unit 11 breaks down.For example; If the difference of the temperature value the when temperature value of the above-mentioned setting of setting and first air conditioner room unit are not worked is second preset temperature; When first goes out to manage the variation of temperature value greater than preset second temperature, just can confirm that the tracheae of this air conditioner room unit connects correctly.
Fig. 7 shows the structural representation according to the multi-gang air-conditioner detection system of the embodiment of the invention three.As shown in Figure 7; In order better to guarantee the accuracy of measurement data; Avoid because the variation of environment temperature causes testing result deviation to occur, in the present embodiment, the multi-gang air-conditioner detection system also comprises: be arranged at pipe bulb 37 in second on second air conditioner room unit, the 15 evaporator elbows.The concrete placement location of pipe bulb is identical with the position of first bulb shown in Fig. 4 in second; Difference only is the corresponding bulb of pipe bulb 37 expressions, second air conditioner room unit, the i.e. corresponding bulb of air conditioner room unit except that indoor apparatus of air conditioner to be measured in second.
Then in the present embodiment; Processor 33 also is used to obtain second air conditioner room unit 15; Manage temperature in when just non-detection indoor apparatus of air conditioner is in holding state second; Compare managing temperature in the pipe temperature and first in second, and judge according to comparative result whether first air conditioner room unit 11 breaks down.
In the present embodiment promptly; The middle pipe temperature that will be in second air conditioner room unit 15 under the holding state is regarded as a reference value; Middle pipe temperature when not working corresponding to first air conditioner room unit 11; Pipe temperature in the pipe temperature and second in first is compared, just be equivalent to managing temperature in first and a preset value compares.
When pipe temperature in first greater than second in during the predetermined difference of one of temperature of pipe, mean that first air conditioner room unit 11 is in proper working order.When pipe temperature in first less than second in during the predetermined difference of one of temperature of pipe, then mean the connection error of connection and second air conditioner room unit 15 of first air conditioner room unit 11, needs connect the connection of these two air conditioner room units again again.And when pipe temperature in first less than second in pipe during temperature, then mean the tracheae connection error of first air conditioner 11.
Certainly, when second air conditioner room unit 15 when being a plurality of, the pipe bulb also be a plurality of in second, and each one second air conditioner room unit of pipe bulb correspondence in second is to measure the middle pipe temperature of each second air conditioner room unit.With second air conditioner room unit be that one situation is similar, still make first air conditioner room unit 11 be in running status in the testing process, a plurality of second air conditioner room units are in holding state.Likewise, with each second air conditioner room unit 15 corresponding second in pipe bulb 35 obtain second in manage temperature in the pipe temperature and first and compare.Like this, just can find the reason of fault more rapidly and accurately.
Fig. 8 shows the structural representation according to the multi-gang air-conditioner detection system of the embodiment of the invention four.As shown in Figure 8; In the present embodiment; The multi-gang air-conditioner detection system also comprises: second goes out to manage bulb 39; It is inboard to be arranged at the air-conditioner outdoor unit 51 and the second air conditioner room unit corresponding valve, be used for the sensing air-conditioner outdoor unit 51 and the second air conditioner room unit corresponding valve place second air conditioner room unit 15 second go out to manage temperature change value.Be that second of the label 39 shown in Fig. 6 goes out to manage bulb, be used to detect the bulb of second air conditioner room unit, 15 correspondences except that first air conditioner room unit 11.
Then in the present embodiment; When processor 33 also is used to obtain second air conditioner room unit 15 and is in holding state second goes out to manage temperature change value; Go out to manage temperature change value and first with second and go out to manage temperature change value and compare, and judge according to comparative result whether normal the tracheae of first air conditioner room unit 11 connects.
In the present embodiment promptly; The temperature that goes out to manage that will be in air-conditioner outdoor unit 51 places of second air conditioner room unit, 15 correspondences under the holding state is regarded as a reference value; To manage temperature when being equivalent to first air conditioner room unit 11 and not working; Go out to manage temperature and second with first and go out to manage temperature and compare, just be equivalent to go out to manage the variation of temperature value and a preset value compares first.
When first goes out to manage temperature change value and go out to manage the predetermined difference of one of temperature change value greater than second, mean that first air conditioner room unit 11 is in proper working order.When first goes out to manage temperature and goes out to manage the predetermined difference of one of temperature less than second, then mean the tracheae connection error of the tracheae and second air conditioner room unit 15 of first air conditioner room unit 11, need again the tracheae of these two air conditioner room units is connected again.Go out to manage temperature and equal second when going out to manage the predetermined difference of one of temperature when first, mean that then the tracheae of first air conditioner room unit 11 is connected normally with the tracheae of this second air conditioner room unit 15.
Certainly, as shown in Figure 6, when second air conditioner room unit 15 when being a plurality of, the valve number of air-conditioner outdoor unit 51 also is a plurality of, then goes out to manage bulb 39 accordingly also for a plurality of.Likewise, each second goes out to manage also corresponding one second air conditioner room unit 15 of bulb 39.Similarly, still make first air conditioner room unit 11 be in running status, a plurality of second air conditioner room units are in holding state.Then with each second air conditioner room unit 15 corresponding second go out to manage that bulb 37 obtains second goes out to manage temperature change value and first and go out to manage temperature change value and compare.Like this, just can find the reason of fault more rapidly and accurately.
And, in the above embodiment of the present invention, only showing indoor units 10 and comprise many indoor apparatus of air conditioner, outdoor unit comprises the situation of air-conditioner outdoor unit 51, and other component devices that comprise in the not shown air conditioner group.Because the indoor apparatus of air conditioner group is identical with air-conditioning unit of the prior art with other component devices of air-conditioner outdoor unit group, therefore give unnecessary details no longer one by one at this.
To combine accompanying drawing to introduce the multi-gang air-conditioner detection method in detail below.
Fig. 9 shows the multi-gang air-conditioner detection method process flow diagram according to the embodiment of the invention five.As shown in Figure 9, the multi-gang air-conditioner detection method comprises:
S501 opens the tracheae measuring ability.Particularly, move first air conditioner room unit, obtain first air conditioner room unit first in manage temperature, and obtain second air conditioner room unit and be in second under the holding state and manage temperature.
S502 judges whether the pipe temperature is lower than the pipe temperature first predetermined variation amount in second in first.When pipe temperature in first is lower than in second the pipe temperature first predetermined variation amount, go to step S503; When pipe temperature in first is higher than in second the pipe temperature first predetermined variation amount, go to step S504; When the pipe temperature equals to manage the temperature first predetermined variation amount in second in first, go to step S505.
S503, when pipe temperature in first was lower than in second the pipe temperature first predetermined variation amount, the connection of then confirming as first air conditioner room unit connected normal.
S504 when the pipe temperature is higher than in second the pipe temperature in first, then confirms as the connection connection error of first indoor apparatus of air conditioner and second air conditioner room unit.
S505 when the pipe temperature equals to manage temperature in second in first, then confirms as the tracheae connection error of first indoor apparatus of air conditioner;
Tracheae connection in order to ensure first indoor apparatus of air conditioner also is accurate, in the present embodiment,, to the basis of step S505, also comprises at step S501:
S506; When pipe temperature in first is lower than in second the pipe temperature first predetermined variation amount; The aperture of the electric expansion valve of first air conditioner room unit is adjusted to first predetermined value, writes down the indoor set first of first air conditioner room unit after first schedule time of starting shooting and go out to manage temperature.
S507 is adjusted to second predetermined value with the aperture of the electric expansion valve of first air conditioner room unit, writes down the indoor set second of first air conditioner room unit after second schedule time of starting shooting and goes out to manage temperature, and wherein, second predetermined value is lower than first predetermined value;
S508 judges that whether first go out to manage temperature change value greater than the second predetermined variation amount, and wherein, first to go out to manage temperature change value be second to go out to manage temperature and first and go out to manage the poor of temperature;
S509 when first goes out to manage temperature change value greater than the second predetermined variation amount, confirms that the tracheae of first air conditioner room unit connects normal.
In order to find out the tracheae connection error reason of first indoor apparatus of air conditioner, in the present embodiment, to the basis of step S509, also comprise at step S506:
S510 when first goes out to manage temperature change value and be less than or equal to the second predetermined variation amount, is adjusted to first predetermined value with the aperture of the electric expansion valve of second air conditioner room unit, writes down second indoor apparatus of air conditioner and after first schedule time of starting shooting, the 3rd goes out to manage temperature.
S511 is adjusted to second predetermined value with the aperture of the electric expansion valve of second air conditioner room unit, writes down second indoor apparatus of air conditioner and after second schedule time of starting shooting, the 4th goes out to manage temperature.
S512 judges that whether second go out to manage temperature change value greater than the second predetermined variation amount, and wherein, second to go out to manage temperature change value be the 4th to go out to manage temperature and the 3rd and go out to manage the poor of temperature.When second goes out to manage temperature change value greater than the second predetermined variation amount, go to step S513; When second goes out to manage temperature change value and be less than or equal to the second predetermined variation amount, go to step S514.
S513 when second goes out to manage temperature change value greater than the second predetermined variation amount, then confirms the tracheae connection error of first indoor apparatus of air conditioner and second air conditioner room unit.
S514 when second goes out to manage temperature change value and be less than or equal to the second predetermined variation amount, confirms that then the tracheae of first indoor apparatus of air conditioner connects normal.
Figure 10 shows the multi-gang air-conditioner detection method process flow diagram according to the embodiment of the invention six.Present embodiment is applicable to that mainly the quantity with second air conditioner room unit is a plurality of situation.In the present embodiment, machine is corresponding to first air conditioner room unit in the above embodiment of the present invention in detecting, and machine is corresponding to a plurality of second air conditioner room units in the above embodiment of the present invention in the non-detection.
S601 opens the tracheae measuring ability.Particularly, the operation machines is obtained the middle pipe temperature of machine in detecting, and obtains the middle pipe temperature of machine in the non-detection.Promptly move first air conditioner room unit, obtain first air conditioner room unit first in manage temperature, and obtain that machine is in the middle pipe temperature under the holding state in the non-detection.
S602, in judge detecting in the machine pipe temperature value whether less than (the middle pipe temperature-Δ t1) of machine in the non-detection.Be then to go to step S603, otherwise go to step S604.
Particularly, whether the pipe temperature value is less than the middle pipe temperature Δ t1 of machine in the non-detection in the machine in judge detecting, and wherein, Δ t1 representes the temperature variation be scheduled to.
S603, communication is normal, then continues to judge and whether detects interior machine: T2 greater than (T1+ Δ t2).Be then to go to step S607, otherwise go to step S608.
For example, after unit installs, get into the multi-gang air-conditioner detection system, operation multi-gang air-conditioner detection method through ad hoc fashion.Make and detect interior machine start operation, machine is in the pass holding state in the non-detection.Unit operation began to judge after a period of time.
Manage (the middle pipe temperature-Δ t1) that temperature is lower than machine in other non-detections in detecting in the machine, the connection of machine connection was correct in judgement detected.
The organic electronic expansion valve opening is opened greatly to x1 PLS in will the number of detection, and each indoor set of record goes out to manage temperature T 1 after n minute; And then organic electronic expansion valve in No. 1 is turned down x2, and (PLS of x2＜x1), (annotate: that writes down each indoor set after m＞n) minute again goes out to manage temperature T 2 through m.Wherein, x1, x2 refer to the electric expansion valve open degree, and PLS representes the unit of electronic expansion valve opening.Next step continues to judge: machine goes out to manage temperature T 2≤(T1+ Δ t2) in detecting; Then continue to judge T2, the T1 of machine in other: machine T2＞(T1+ Δ t2) in a certain non-detection this moment; Machine and the interior machine tracheae wrong of detection in then the affirmation judgement is somebody's turn to do, its connection error synoptic diagram is shown in figure 12.
S604 continues to judge: whether manage temperature in a certain non-detection in the machine less than managing temperature in the machine in other.Be then to go to step S605, otherwise go to step S606.
If manage (the middle pipe temperature-Δ t1) that temperature is not less than machine in other non-detections in detecting in the machine, then continue to detect the middle pipe temperature of machine in other non-detections.
S605, machine connection wrong in detecting.
Suppose in detecting the connection connection error of machine in the machine connection and one of them non-detection, then the temperature value of machine should reduce the predetermined variation amount at least in this non-detection, and whether the connection that so just can pass through the interior machine of this characteristic judgement detection connection error.
If in a certain non-detection in the machine pipe temperature be lower than and manage temperature in machines in other all, then judge the connection wrong of machine connection and the interior machine of non-detection in detecting this moment.Be equivalent to machine in each non-detection respectively with detect in machine relatively, the middle pipe temperature that judges whether machine in the non-detection be lower than detect in pipe temperature predetermined variation amount in the machine.
For example, after unit installs, get into the multi-gang air-conditioner detection system, operation multi-gang air-conditioner detection method through ad hoc fashion.Unit gets into the refrigerating operaton pattern, makes to detect interior machine start operation, and machine is in holding state in the non-detection.Unit operation began to judge after a period of time.
In detecting, manage (the middle pipe temperature-Δ t1) that temperature is not less than machine in other non-detections in the machine, then continue to detect the middle pipe temperature of machines in other.If in a certain non-detection in the machine pipe temperature be lower than and manage temperature in machines in other all, the connection wrong of machine connection and the interior machine of this non-detection in then confirming to detect this moment.The multi-online air-conditioning system that Figure 11 shows according to the embodiment of the invention is in the synoptic diagram under the connecting line connection error state.As can be seen from Figure 11, the connection connection error of machine in machine and No. 1 in No. 2.
S606, machine tracheae wrong in detecting.
For example, after unit installs, get into the multi-gang air-conditioner detection system, operation multi-gang air-conditioner detection method through ad hoc fashion.Unit gets into the refrigerating operaton pattern, makes to detect interior machine start operation, and machine is in holding state in the non-detection.Unit operation began to judge after a period of time.
Manage (the middle pipe temperature-Δ t1) that temperature is not less than machine in other non-detections in detecting in the machine, then continue to detect the middle pipe temperature of machine in other.Do not manage temperature in machines if do not exist in a certain non-detection in the machine pipe temperature to be lower than in other all, machine tracheae connection error in then confirming to detect this moment number.The multi-online air-conditioning system that Figure 12 shows according to the embodiment of the invention is in the synoptic diagram under the tracheae connection error state.Shown in figure 12, the middle pipe temperature anomaly of machine possibly cause with outer machine liquid interface tube connection error owing to machine tracheae in detecting in detecting.
S607, machine is judged as normally in detecting, and continues next interior machine testing.
After current interior machine is normal, makes each air conditioner room unit work one by one, and detect.
S608, T2, the T1 of machine in the non-detection judged in continuation: whether machine T2 is greater than (T1+ Δ t2) in a certain non-detection.Be then to go to step S609, otherwise go to step S607.
S609, machine tracheae wrong in detecting.
S610 finishes.
From above description, can find out that the above embodiments of the present invention have realized following technique effect:
Manage temperature in when the present invention utilizes bulb to obtain first air conditioner room unit in running order first; And utilize controller will obtain first temperature of first air conditioner room unit when in running order; Compare with first preset temperature of setting, then controller just can judge whether first air conditioner room unit breaks down according to comparative result.Thereby, can utilize comparatively easily mode that the multi-gang air-conditioner device is investigated, nor need to drop into lot of manpower and material resources.And then solved in the prior art when multi-online air-conditioning system investigated, need to drop into great amount of manpower and material resources and time, cause the problem of the wasting of resources.And the present invention can be comparatively rapidly and is obtained the reason that fault takes place accurately, efficiently solve in the installation process in machine liquid pipe, connection, tracheae connect and investigate comparatively complicated problems when breaking down.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a multi-gang air-conditioner detection system is characterized in that, comprising:
Manage bulb (31) in first, be arranged on the evaporator elbow (13) of first air conditioner room unit (11), what be used for that said first indoor apparatus of air conditioner of sensing (11) evaporator elbow (13) locates first manages temperature;
Processor (33) is used for obtaining said first air conditioner room unit (11) first when in running order and manages temperature, compares with first preset temperature, and judges according to comparative result whether said first air conditioner room unit (11) breaks down.
2. multi-gang air-conditioner detection system according to claim 1 is characterized in that, said multi-gang air-conditioner detection system also comprises:
First goes out to manage bulb (35); Be arranged at air-conditioner outdoor unit (51) and said first air conditioner room unit (11) corresponding valve (53) inboard, be used for the said air-conditioner outdoor unit of sensing (51) and state first of first air conditioner room unit (11) with said first air conditioner room unit (11) corresponding valve (53) place and go out to manage temperature change value;
Wherein, Said processor (33) also is used to obtain said air conditioner room unit (51) said first when in running order and goes out to manage temperature change value; Compare with second preset temperature, and judge according to comparative result whether normal the tracheae of said first indoor apparatus of air conditioner (11) connects.
3. multi-gang air-conditioner detection system according to claim 1 and 2 is characterized in that, said multi-gang air-conditioner detection system also comprises:
Manage bulb (37) in second, be arranged on second air conditioner room unit (15) the evaporator elbow, be used for second of said second air conditioner room unit of sensing (15) evaporator elbow and manage temperature;
Wherein, Said processor (33) also is used for obtaining said second air conditioner room unit (15) said second when being in holding state and manages temperature; Compare managing temperature in the pipe temperature and said first in said second, and judge according to comparative result whether said first air conditioner room unit (11) breaks down.
4. multi-gang air-conditioner detection system according to claim 3 is characterized in that, said multi-gang air-conditioner detection system also comprises:
Second goes out to manage bulb (39); It is inboard with the said second air conditioner room unit corresponding valve to be arranged at said air-conditioner outdoor unit (51); Said second air conditioner room unit (35) second that is used for said air-conditioner outdoor unit of sensing (51) and the said second air conditioner room unit corresponding valve place goes out to manage temperature change value
Wherein, When said processor (33) also is used to obtain said second air conditioner room unit and is in holding state said second goes out to manage temperature change value; Go out to manage temperature change value and said first with said second and go out to manage temperature change value and compare, and judge according to comparative result whether normal the tracheae of said first air conditioner room unit (11) connects.
5. multi-gang air-conditioner detection system according to claim 4 is characterized in that, said second air conditioner chamber is a plurality of,
Wherein,
The quantity of managing bulb (37) in said second is a plurality of, and each is managed bulb (37) in said second and is arranged on the evaporator elbow of any said second air conditioner room unit (15) in a plurality of said second air conditioner room units (15);
Said second go out to manage bulb (39) quantity be a plurality of, said second to go out to manage any said second air conditioner room unit (15) corresponding valve that bulb (39) is arranged in said air-conditioner outdoor unit (51) and said a plurality of said second air conditioner room units (15) inboard for each.
6. a multi-gang air-conditioner detection method is characterized in that, comprising:
Move first air conditioner room unit, obtain said first air conditioner room unit first in manage temperature, and obtain second air conditioner room unit and be in second under the holding state and manage temperature;
Judge whether the pipe temperature is lower than the pipe temperature first predetermined variation amount in second in said first;
When pipe temperature in said first was lower than in second the pipe temperature first predetermined variation amount, the connection of then confirming as first air conditioner room unit connected normal.
7. multi-gang air-conditioner detection method according to claim 6 is characterized in that, said multi-gang air-conditioner detection method also comprises:
When the pipe temperature is higher than in said second the pipe temperature in said first, then confirm as the connection connection error of first indoor apparatus of air conditioner and second air conditioner room unit;
When the pipe temperature equals to manage temperature in said second in said first, then confirm as the tracheae connection error of first indoor apparatus of air conditioner.
8. according to claim 6 or 7 described multi-gang air-conditioner detection methods, it is characterized in that said multi-gang air-conditioner detection method also comprises:
When pipe temperature in said first is lower than in second the pipe temperature first predetermined variation amount; The aperture of the electric expansion valve of first air conditioner room unit is adjusted to first predetermined value, writes down the indoor set first of first air conditioner room unit after first schedule time of starting shooting and go out to manage temperature;
The aperture of the electric expansion valve of said first air conditioner room unit is adjusted to second predetermined value, writes down the indoor set second of first air conditioner room unit after second schedule time of starting shooting and go out to manage temperature, wherein, second predetermined value is lower than first predetermined value;
Judge that whether first go out to manage temperature change value greater than the second predetermined variation amount, wherein, said first to go out to manage temperature change value be said second to go out to manage temperature and said first and go out to manage the poor of temperature;
When said first goes out to manage temperature change value greater than the second predetermined variation amount, confirm that the tracheae of first air conditioner room unit connects normal.
9. multi-gang air-conditioner detection method according to claim 8 is characterized in that, said multi-gang air-conditioner detection method also comprises:
When said first goes out to manage temperature change value and is less than or equal to the second predetermined variation amount; The aperture of the electric expansion valve of said second air conditioner room unit is adjusted to first predetermined value, writes down said second indoor apparatus of air conditioner and after first schedule time of starting shooting, the 3rd go out to manage temperature;
The aperture of the electric expansion valve of said second air conditioner room unit is adjusted to second predetermined value, writes down said second indoor apparatus of air conditioner and after second schedule time of starting shooting, the 4th go out to manage temperature;
Judge that whether second go out to manage temperature change value greater than the said second predetermined variation amount, wherein, said second to go out to manage temperature change value be the said the 4th to go out to manage temperature and the said the 3rd and go out to manage the poor of temperature;
When said second goes out to manage temperature change value greater than the said second predetermined variation amount, then confirm the tracheae connection error of first indoor apparatus of air conditioner and second air conditioner room unit.
10. multi-gang air-conditioner detection method according to claim 9 is characterized in that, said multi-gang air-conditioner detection method also comprises:
When said second goes out to manage temperature change value and be less than or equal to the said second predetermined variation amount, confirm that then the tracheae of first indoor apparatus of air conditioner connects normal.
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