CN105509224B - A kind of indoor unit and compressor of outdoor unit automatic matching method - Google Patents
A kind of indoor unit and compressor of outdoor unit automatic matching method Download PDFInfo
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- CN105509224B CN105509224B CN201410490334.1A CN201410490334A CN105509224B CN 105509224 B CN105509224 B CN 105509224B CN 201410490334 A CN201410490334 A CN 201410490334A CN 105509224 B CN105509224 B CN 105509224B
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Abstract
The invention discloses a kind of indoor units and compressor of outdoor unit automatic matching method, it is controlled while multiple indoor units run refrigeration mode by outdoor unit control panel and opens a compressor, it is more than preset temperature when a wherein indoor unit temperature declines range, then it is assumed that compressor may be matched with the indoor unit；Then multiple indoor units are controlled by outdoor unit control panel and runs heating mode, if the indoor unit temperature lifting range is more than preset temperature, then think compressor and the indoor unit successful match, close the compressor and indoor unit, and steps be repeated alternatively until all compressors and indoor unit successful match.The present invention can effectively reduce installation difficulty and the set-up time of air-conditioning system, due to not needing human configuration software to simplify installation process, reduce air-conditioning and install error rate, and improve the degree of automation of air-conditioning.
Description
Technical field
The present invention relates to refrigeration technology field, more particularly to a kind of indoor unit and compressor of outdoor unit automatic matching method.
Background technology
There are an outdoor unit and multiple indoor units in one air-conditioning system, and only there are one outdoor units to control in outdoor unit
Plate controls multiple compressors, and the cooling and warming demand of each indoor unit can only rely on one of them and have refrigerant to connect with it
Compressor.Therefore, it should establish indoor unit and there is refrigerant to connect with it compressor between one-to-one relationship so that work as room
Interior machine has and can control the compressor when refrigeration or heating needs like clockwork.
There are mainly two types of the matching process of indoor unit and compressor of outdoor unit for currently available technology：
One：Field technician corresponds to different compressors according to outdoor unit control panel difference control port, checks different pressures
Contracting machine is connected from the refrigerant of different indoor units, establishes one-to-one relationship, then inputs order disposed chamber by peripheral control unit
Outer machine or configuration indoor unit are to establish software correspondence.The benefit of this matching process need not be according to compression when being installation
The matching relationship of machine and indoor unit is installed；Harm is to have to check for matching relationship after installation, and configure indoor unit or outdoor unit and make
It establishes corresponding mapping relations.
Two：Multiple indoor units and compressor are numbered respectively, in-site installation engineer is according to the agreement of software, it is necessary to will be with
1 related compressor 1 of indoor unit is connected to above outdoor unit control panel port 1, and compressor related with indoor unit 22 is connected to outdoor
On machine control panel port 2, and so on, such installation is given tacit consent on software.The benefit of this matching process is need not to pass through
Any content is arranged in peripheral control unit, but can increase the probability of the difficulty and installation error of installation.
In conclusion due to indoor unit and the compressor in air-conditioning system be in control must be one-to-one, to make
The corresponding different compressors of different indoor units can be identified on software, and Installation Technology personnel is needed to pass through specific installation or software
The method of configuration establishes indoor unit and correspondence mappings relationship of the compressor on software, this will certainly cause installation process multiple
It is miscellaneous, and configuration software or control panel may be also needed to, therefore the set-up time can be caused long, easy phenomena such as malfunctioning.
Therefore, how a kind of indoor unit and compressor of outdoor unit automatic matching method are provided, can realize Auto-matching, from
And simplify installation process and installation requirement, error rate when installation is reduced, the degree of automation of air-conditioning is improved, is art technology
The technical issues of personnel's urgent need to resolve.
Invention content
A series of concept of reduced forms is introduced in Summary, this will in the detailed description section into
One step is described in detail.The Summary of the present invention is not meant to attempt to limit technical solution claimed
Key feature and essential features do not mean that the protection domain for attempting to determine technical solution claimed more.
The invention discloses a kind of indoor units and compressor of outdoor unit automatic matching method, including：
Step 1：Outdoor unit control panel is successively read multiple indoor units, determines the interior being connect with the outdoor unit control panel
The number of machine and address；
Step 2：The outdoor unit control panel sends the order that matcher brings into operation to the multiple indoor unit, described
The order of multiple indoor unit shielding all peripheral control units in addition to the outdoor unit control panel；
Step 3：The outdoor unit control panel controls all not matched indoor unit operation refrigeration in the multiple indoor unit
Pattern, after preset time period, the outdoor unit control panel read in all not matched indoor units each not
The temperature for the indoor unit matched, and the temperature is analyzed, if the variation range of the temperature is respectively less than the first preset temperature,
Then enter step 4；
Step 4：The outdoor unit control panel opens a compressor to be matched, and continues to read described all do not match
Indoor unit in each not matched indoor unit temperature, if the temperature of not matched indoor unit declines range and is more than
Second preset temperature, then it is assumed that one not matched indoor unit may be matched with one compressor to be matched；This
When, outdoor unit control panel control all not matched indoor units run heating modes, and read it is described it is all not
The temperature of each not matched indoor unit in the indoor unit matched, if the temperature of one not matched indoor unit increases model
It encloses and is more than second preset temperature, then it is assumed that one not matched indoor unit and one compressor to be matched
With success, 5 are entered step；Otherwise it matches unsuccessful, closes one compressor to be matched, return to step 3；
Step 5：The outdoor unit control panel closes the indoor unit of successful match and first compressor；Return to step 3；
Step 6：Repeating said steps 3- steps 5, after the multiple equal successful match of indoor unit, the outdoor unit control panel
The address of the multiple indoor unit and matched compressor are established in mapping relations deposit nonvolatile memory.
Preferably, the preset time period is 1 minute, and first preset temperature is 2 DEG C, and second preset temperature is
5℃。
Preferably, further include before the step 1：The outdoor unit control panel is read in the nonvolatile memory
Storage record enters normal operation program if indoor unit and compressor successful match；Otherwise, 1 beginning is entered step certainly
Dynamic matcher.
Preferably, the outdoor unit control panel is according to the read-write register point table of the multiple indoor unit, by described
Communication interface between outdoor unit control panel and the control panel of the multiple indoor unit is read out the multiple indoor unit, institute
The address range for stating multiple indoor units is 1~n.
Preferably, the communication interface is RS485 interfaces, CAN interface or RS232 interface.
Preferably, the communication protocol between the outdoor unit control panel and the control panel of the multiple indoor unit is MODBUS
Agreement makes agreement by oneself.
Preferably, the temperature of each not matched indoor unit in all not matched indoor units is described all
The temperature of the coil pipe of each not matched indoor unit in not matched indoor unit.
Beneficial effects of the present invention are：
The present invention provides a kind of indoor units and compressor of outdoor unit automatic matching method, are controlled by outdoor unit control panel
All not matched indoor units run refrigeration mode, after preset time period, each not matched interior in multiple indoor units
The variation range of the temperature of machine is respectively less than the first preset temperature, then outdoor unit control panel opens a compressor to be matched, when
The temperature of one of them not matched indoor unit declines range and is more than the second preset temperature, then it is assumed that a compression to be matched
Machine may be matched with this not matched indoor unit；Then all not matched indoor units are controlled by outdoor unit control panel to transport
Row heating mode, if the temperature lifting range of this not matched indoor unit is more than the second preset temperature, then it is assumed that this
Compressor to be matched and this not matched indoor unit successful match close the compressor and the interior of successful match
Machine, and steps be repeated alternatively until all compressors and indoor unit successful match.
As it can be seen that indoor unit provided by the invention and compressor of outdoor unit automatic matching method, are controlled by software automatic running
Program completes each indoor unit of software automatic identification and compressor one by one by the communication port between indoor unit and outdoor unit
Correspondence is finally saved in non-volatile memory by correspondence, so that next time need not match again after the power is turned on.
Installation process and installation requirement are simplified, error rate when installation is reduced, improves the degree of automation of air-conditioning.
Description of the drawings
The following drawings of the embodiment of the present invention is used to understand the present invention in this as the part of the present invention.It is shown in attached drawing
Embodiments of the present invention and its description, principle used to explain the present invention.In the accompanying drawings,
Communication connection relation schematic diagrams of the Fig. 1 between outdoor unit control panel and multiple indoor unit control panels；
Fig. 2 is the flow chart of indoor unit provided by the invention and compressor of outdoor unit automatic matching method；
Fig. 3 and Fig. 4 is indoor unit provided by the invention and a kind of work of embodiment of compressor of outdoor unit automatic matching method
Make flow chart.
Specific implementation mode
In the following description, a large amount of concrete details are given in order to provide more thorough understanding of the invention.So
And it will be apparent to one skilled in the art that the embodiment of the present invention may not need one or more of these details
And it is carried out.In other examples, in order to avoid obscuring with the embodiment of the present invention, for more well known in the art
Technical characteristic is not described.
In order to thoroughly understand the embodiment of the present invention, detailed structure will be proposed in following description.Obviously, the present invention is real
The execution for applying example is not limited to the specific details that those skilled in the art is familiar with.Presently preferred embodiments of the present invention is retouched in detail
State it is as follows, however in addition to these detailed description other than, the present invention can also have other embodiment.
Referring to FIG. 1, communication connection relationship signals of the Fig. 1 between outdoor unit control panel and multiple indoor unit control panels
Figure.
The technical background of the present invention is briefly described first：
The communication connection of indoor unit control panel and outdoor unit control panel as shown in Figure 1, port can use the ports RS485,
Software protocol can use MODBUS agreements, and outdoor unit control panel is as MODBUS hosts, all indoor unit control panel conducts
MODBUS slaves, and there are one unique MODBUS slave addresses for each indoor unit control panel.The control terminal of each compressor
Mouth is all connected on outdoor unit control panel respectively, is controlled the switch of these compressors by outdoor unit control panel or is added unloading.In this hair
In the scheme of bright offer, the feature of target air-conditioning system and agree as follows：
Air-conditioning system is mainly by an outdoor unit, multiple indoor units and multiple controllers composition, and there are one the outdoor units
Control panel controls n compressor；Indoor unit also shares n, and each indoor unit is only there are one control panel, and each indoor unit
Cooling and warming demand can only rely on a compressor for having refrigerant to connect with it.
Assuming that MODBUS slave addresses (hereinafter referred to as address) ranging from 1~n of indoor unit control panel, each indoor unit control
All there is the read-write register point tables of a MODBUS in making sheet, the shape of indoor unit can be read according to this table outdoor unit control panel
State, and can control indoor unit to act accordingly by write operation, such as switching on and shutting down adjust set temperature, change setting pattern, switch
Indoor fan etc..
Referring to FIG. 2, Fig. 2 is the flow chart of indoor unit provided by the invention and compressor of outdoor unit automatic matching method.
As shown in Fig. 2, indoor unit provided by the invention and compressor of outdoor unit automatic matching method, are controlled by outdoor unit
Plate controls all not matched indoor unit operation refrigeration modes in multiple indoor units, and after preset time period, each is not
The variation range of the temperature for the indoor unit matched is respectively less than the first preset temperature, then outdoor unit control panel opens a pressure to be matched
Contracting machine is more than the second preset temperature, then it is assumed that this is waited for when the temperature of one of them not matched indoor unit declines range
The compressor matched may be matched with this not matched indoor unit；Then it is controlled by outdoor unit control panel all not matched
Indoor unit runs heating mode, if the temperature lifting range of this not matched indoor unit is more than preset temperature, then it is assumed that should
One compressor to be matched and this not matched indoor unit successful match close the compressor and the room of successful match
Interior machine, and steps be repeated alternatively until all compressors and indoor unit successful match.
It is as follows：
Step 1：Outdoor unit control panel is successively read multiple indoor units, determines the interior being connect with the outdoor unit control panel
The number of machine and address；
Step 2：The outdoor unit control panel sends the order that matcher brings into operation to the multiple indoor unit, described
The order of multiple indoor unit shielding all peripheral control units in addition to the outdoor unit control panel；
Step 3：The outdoor unit control panel controls all not matched indoor unit operation refrigeration in the multiple indoor unit
Pattern, after preset time period, the outdoor unit control panel read in all not matched indoor units each not
The temperature for the indoor unit matched, and the temperature is analyzed, if the variation range of the temperature is respectively less than the first preset temperature,
Then enter step 4；
Step 4：The outdoor unit control panel opens a compressor to be matched, and continues to read described all do not match
Indoor unit in each not matched indoor unit temperature, if the temperature of not matched indoor unit declines range and is more than
Second preset temperature, then it is assumed that one not matched indoor unit may be matched with one compressor to be matched；This
When, outdoor unit control panel control all not matched indoor units run heating modes, and read it is described it is all not
The temperature of each not matched indoor unit in the indoor unit matched, if the temperature of one not matched indoor unit increases model
It encloses and is more than second preset temperature, then it is assumed that one not matched indoor unit and one compressor to be matched
With success, 5 are entered step；Otherwise it matches unsuccessful, closes one compressor to be matched, return to step 3；
Step 5：The outdoor unit control panel closes the indoor unit and compressor of successful match；
Return to step 3；
Step 6：Repeating said steps 3- steps 5, after the multiple equal successful match of indoor unit, the outdoor unit control panel
The address of the multiple indoor unit and matched compressor are established in mapping relations deposit nonvolatile memory.
As it can be seen that indoor unit provided by the invention and compressor of outdoor unit automatic matching method, are controlled by software automatic running
Program completes each indoor unit of software automatic identification and compressor one by one by the communication port between indoor unit and outdoor unit
Correspondence is finally saved in non-volatile memory by correspondence, so that next time need not match again after the power is turned on.
Installation process and installation requirement are simplified, error rate when installation is reduced, improves the degree of automation of air-conditioning.
Preferably, preset time period is 1 minute, and the first preset temperature is 2 DEG C, and the second preset temperature is 5 DEG C.I.e.：It is outdoor
All not matched indoor units of machine control panel control run refrigeration mode, and 1 point is opened in the wind turbine of all not matched indoor units
Zhong Hou, outdoor unit control panel read the temperature of each not matched indoor unit in all not matched indoor units, and to institute
It states temperature to be analyzed, if the variation range of the temperature is respectively less than 2 DEG C, enters step 4；Criterion in step 4 is：
Under refrigeration mode, the temperature of not matched indoor unit declines range and is more than 5 DEG C；In a heating mode, it is one not
The temperature lifting range for the indoor unit matched is more than 5 DEG C.
Certainly also do not limit to, above-mentioned preset time period, the first preset temperature and the second preset temperature can be according to realities
Border situation is adjusted, and the specific period depends on actual environment.
Further include before step 1 in of the invention to advanced optimize above-mentioned technical proposal：Outdoor unit control panel is read
Storage record in negated volatile memory enters normal operation program if indoor unit and compressor successful match；
Otherwise, 1 beginning automatch is entered step.I.e. for the first time match after, due to by the address of indoor unit with
The mapping relations deposit nonvolatile memory established of the compressor that matches in, therefore, next time after the power is turned on need not be again
Matching, can be directly entered normal operation degree.
Preferably, above-mentioned outdoor unit control panel is according to the read-write register point tables of multiple indoor units, and passes through outdoor unit
Communication interface between control panel and the control panel of the multiple indoor unit is read out the multiple indoor unit, multiple interiors
The address range of machine is 1~n.Above-mentioned communication interface can be RS485 interfaces, CAN interface or RS232 interface etc..Outdoor unit control
Communication protocol between making sheet and the control panel of the multiple indoor unit can be MODBUS agreements or make agreement by oneself.
Outdoor unit control panel is read out the temperature of multiple indoor units, can be outdoor unit control panel to multiple indoor units
Coil temperature be read out.Certainly it is not limited to a kind of this form, if indoor unit coil temperature is not present in indoor unit, and is deposited
In another temperature sensor, as long as the temperature sensor is when compressor is opened, under cooling and warming pattern, temperature can
It is raised and lowered and can be used as alternative solution.
Referring to FIG. 3, Fig. 3 is indoor unit provided by the invention and a kind of embodiment of compressor of outdoor unit automatic matching method
Work flow diagram.
A kind of work flow diagram of specific embodiment of the present invention is as shown in figure 3, be as follows：
The first step, air-conditioner set after the power is turned on, outdoor unit control panel read plate on nonvolatile memory storage record,
The matcher of successful operation indoor unit and compressor is checked whether, if successful match, into normal operation journey
Otherwise sequence starts automatch.Or if outdoor unit control panel, which receives peripheral control unit, reruns matcher,
This also begins to automatch.
Second step, into after matcher, outdoor unit control panel is by communication port according to communication point table to 1~n of address
Indoor unit in range is successively read one or several registers in its table, if the indoor unit of the address exists and communicates
Connection is normal, is exactly to return to a string of specific communication datas of outdoor unit control panel, accordingly outdoor unit control according to MODBUS agreements
Making sheet can determine that the indoor unit of the address has and preserve information, and the address indoor unit control is illustrated if feedback-less data
Plate is not present；And then the indoor unit point table of next address is read, and so on, until the indoor unit within the scope of 1~n of address
The indoor unit number being connect at present with outdoor unit control panel and address are just can determine after all having been read certain number.If air-conditioning system
System design requirement is that indoor unit there must be n, and the indoor unit number retrieved is not equal to the value, then can report event herein
Barrier reminds installation personnel to be modified.Otherwise can enter third to walk.
Third walks, and writes register manipulation by MODBUS, outdoor unit control panel broadcasts each normal indoor unit of communication
Sending the order that a matcher brings into operation so that indoor unit shields the order and setting of the peripheral control units such as line control machine,
It is avoided to influence the operation of operation program.Enter the 4th step after the completion of these operations.
4th step writes register manipulation by MODBUS, and outdoor unit control panel is to the normal not matched room of each communication
One refrigeration mode of interior machine broadcast transmission brings into operation and opens the order of indoor fan, but compressor is not turned on.Waiting room
After interior machine wind turbine is opened 1 minute, outdoor unit control panel is operated with certain frequency by MODBUS read registers (between such as 100 milliseconds
Every) read the indoor unit coil temperature of each not matched indoor unit.
5th step：Outdoor unit control panel divides the indoor unit coil temperature for each not matched indoor unit read
Analysis enters the 6th step if the range of temperature of each indoor unit coil temperature is both less than 2 DEG C in 1 minute.
6th step：Outdoor unit control panel opens a compressor x to be matched, and continues to detect each not matched indoor unit
Indoor unit coil temperature can temporarily think if the indoor unit coil temperature of indoor unit that address is y is reduced more than 5 DEG C
The indoor unit is matched with compressor x；Outdoor unit control panel writes register manipulation by MODBUS and switches all not matched interiors
The pattern of machine is heating mode, and continues to detect the indoor unit coil temperature of each not matched indoor unit, if similarly
The indoor unit coil temperature of the indoor unit of location y, which increases, is more than 5 DEG C, it is considered that the compressor and the indoor unit successful match, into
Enter the 7th step, otherwise match unsuccessful, close compressor x, outdoor unit control panel writes register manipulation by MODBUS and switches institute
It is refrigeration mode to have the pattern of not matched indoor unit, continues back at the 6th step beginning.
7th step, outdoor unit control panel closes the compressor x of successful match, and outdoor unit control panel passes through MODBUS
It is refrigeration mode to write register manipulation to switch the pattern of all not matched indoor units, and closes the indoor unit of successful match,
And no longer read the indoor unit coil temperature of the indoor unit of successful match.
8th step then returns to the 5th step and continues matcher, otherwise match journey if there is indoor unit matches not yet
Sequence terminates.If all compressors have been attempted to open, but there is also there is indoor unit to match not yet, then report failure, need
Check installation and wiring.
9th step, after all indoor unit successful match, that outdoor unit control panel establishes address of indoor unit and compressor
With in corresponding mapping relations deposit nonvolatile memory.
It should be noted that the step serial number marked in Fig. 3 is to indicate the joining relation of Fig. 3 and Fig. 4, and it is right above
The description step of workflow is not consistent, but the flow of essence is identical.
Be illustrated by above-described embodiment, but it is to be understood that, above-described embodiment be only intended to citing and
The purpose of explanation, and be not intended to limit the invention within the scope of described embodiment.In addition those skilled in the art can be with
Understand, the invention is not limited in above-described embodiment, introduction according to the present invention can also make more kinds of modifications and
Modification, these variants and modifications are all fallen within scope of the present invention.
Claims (7)
1. a kind of indoor unit and compressor of outdoor unit automatic matching method, which is characterized in that including：
Step 1：Outdoor unit control panel is successively read multiple indoor units, determines the indoor unit being connect with the outdoor unit control panel
Number and address；
Step 2：The outdoor unit control panel sends the order that matcher brings into operation to the multiple indoor unit, the multiple
The order of indoor unit shielding all peripheral control units in addition to the outdoor unit control panel；
Step 3：The outdoor unit control panel controls all not matched indoor units in the multiple indoor unit and runs refrigeration mode,
After preset time period, the outdoor unit control panel reads each not matched room in all not matched indoor units
The temperature of interior machine, and the temperature is analyzed, if the variation range of the temperature is respectively less than the first preset temperature, enter
Step 4；
Step 4：The outdoor unit control panel opens a compressor to be matched, and reads all not matched indoor units
In each not matched indoor unit temperature, if the temperature of not matched indoor unit declines range, to be more than second default
Temperature, then it is assumed that one not matched indoor unit may be matched with one compressor to be matched；At this point, the room
Outer machine control panel control all not matched indoor units run heating mode, and read all not matched indoor units
In each not matched indoor unit temperature, if the temperature lifting range of one not matched indoor unit be more than it is described
Second preset temperature, then it is assumed that one not matched indoor unit and one compressor successful match to be matched, into
Enter step 5；Otherwise it matches unsuccessful, closes one compressor to be matched, return to step 3；Step 5：The outdoor unit
Control panel closes the indoor unit and compressor of successful match；Return to step 3；
Step 6：Repeating said steps 3- steps 5, after the multiple equal successful match of indoor unit, the outdoor unit control panel is by institute
It states the address of multiple indoor units and matched compressor is established in mapping relations deposit nonvolatile memory.
2. indoor unit according to claim 1 and compressor of outdoor unit automatic matching method, which is characterized in that described default
Period is 1 minute, and first preset temperature is 2 DEG C, and second preset temperature is 5 DEG C.
3. indoor unit according to claim 1 and compressor of outdoor unit automatic matching method, which is characterized in that the step
Further include before 1：The outdoor unit control panel reads the record of the storage in the nonvolatile memory, if indoor unit and compression
Machine successful match then enters normal operation program；Otherwise, 1 beginning automatch is entered step.
4. indoor unit according to claim 1 and compressor of outdoor unit automatic matching method, which is characterized in that the step
In 1, the outdoor unit control panel passes through the outdoor unit control panel according to the read-write register point table of the multiple indoor unit
Communication interface between the control panel of the multiple indoor unit is read out the multiple indoor unit, the multiple indoor unit
Address range be 1~n.
5. indoor unit according to claim 4 and compressor of outdoor unit automatic matching method, which is characterized in that the communication
Interface is RS485 interfaces, CAN interface or RS232 interface.
6. according to claim 1-5 any one of them indoor unit and compressor of outdoor unit automatic matching method, which is characterized in that
Communication protocol between the outdoor unit control panel and the control panel of the multiple indoor unit for MODBUS agreements or makes agreement by oneself.
7. according to claim 1-5 any one of them indoor unit and compressor of outdoor unit automatic matching method, which is characterized in that
The temperature of each not matched indoor unit in all not matched indoor units is all not matched indoor units
In each not matched indoor unit coil pipe temperature.
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| CN201410490334.1A CN105509224B (en) | 2014-09-23 | 2014-09-23 | A kind of indoor unit and compressor of outdoor unit automatic matching method |
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| CN201410490334.1A CN105509224B (en) | 2014-09-23 | 2014-09-23 | A kind of indoor unit and compressor of outdoor unit automatic matching method |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106091261A (en) * | 2016-06-17 | 2016-11-09 | 珠海格力电器股份有限公司 | Method and device for identifying matching of internal machine and external machine |
| CN107830609A (en) * | 2017-12-15 | 2018-03-23 | 南京天加环境科技有限公司 | A kind of improved air conditioning control device |
| CN108562010B (en) * | 2018-03-02 | 2019-12-27 | 珠海格力电器股份有限公司 | Networking method and device of air conditioning unit |
| CN110906511B (en) * | 2018-09-17 | 2021-11-02 | 青岛海尔空调电子有限公司 | Method and device for detecting corresponding relation of pipelines in multi-split air conditioner and air conditioner |
| CN109695935B (en) * | 2018-12-29 | 2022-01-14 | 上海新时达电气股份有限公司 | Air conditioner addressing method, electronic equipment and storage medium |
| CN110260477A (en) * | 2019-05-20 | 2019-09-20 | 珠海格力电器股份有限公司 | Air conditioning system based on two-core communication bus, control method and storage medium |
| CN110260453A (en) * | 2019-06-03 | 2019-09-20 | 广东美的暖通设备有限公司 | Humidify matching process, device and the computer readable storage medium of pipeline |
| CN110529992A (en) * | 2019-09-09 | 2019-12-03 | 广东美的暖通设备有限公司 | Air-conditioning system, the control method of air-conditioning system and computer readable storage medium |
| CN111397161B (en) * | 2020-03-16 | 2022-01-18 | 珠海格力电器股份有限公司 | Air conditioner indoor unit number determining method and device, storage medium and air conditioner |
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| CN1376882A (en) * | 2001-03-26 | 2002-10-30 | Lg电子株式会社 | Method for controlling air conditioner with multiple compressors |
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