CN106440271B - The progress control method of air-conditioning system and air-conditioning system - Google Patents
The progress control method of air-conditioning system and air-conditioning system Download PDFInfo
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- CN106440271B CN106440271B CN201610816494.XA CN201610816494A CN106440271B CN 106440271 B CN106440271 B CN 106440271B CN 201610816494 A CN201610816494 A CN 201610816494A CN 106440271 B CN106440271 B CN 106440271B
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- load
- air
- conditioning system
- phase line
- control mainboard
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air-conditioning system, the air-conditioning system includes three phase mains interface, control mainboard, the first load and the second load；Wherein three phase mains interface includes the first phase line, the second phase line, third phase line and zero curve, first phase line is distinguished the control mainboard with the zero curve and is connected, think the control mainboard power supply, second phase line and zero curve are respectively at the first load connection, think first load supplying, second phase line and zero curve are respectively at the second load connection, for second load supplying；The control mainboard respectively at it is described first load and second load connection, and according to whether receive it is described first load and second load feedback signal determine power supply whether phase shortage.The invention also discloses a kind of progress control methods of air-conditioning system.The present invention improves the reliability of operation of air conditioner.
Description
Technical field
The present invention relates to the progress control methods of air-conditioning technical field more particularly to a kind of air-conditioning system and air-conditioning system.
Background technique
It is well known that many small several three phase variable frequency air-conditionings on the market are single variable-frequency solutions at present, due to product
Cost problem, without three-phase detection circuit or three-phase protective device；Compressor can be damaged in phase shortage or causes other
The damage of power device.Therefore, single frequency-conversion air-conditioning system reliability of operation is lower, needs to improve.
Summary of the invention
The main purpose of the present invention is to provide the progress control methods of a kind of air-conditioning system and air-conditioning system, it is intended to improve
The reliability of operation of air conditioner.
To achieve the above object, a kind of air-conditioning system provided by the invention, the air-conditioning system include three phase mains interface,
Control mainboard, the first load and the second load；Wherein three phase mains interface include the first phase line, the second phase line, third phase line and
Zero curve, first phase line and the zero curve are distinguished the control mainboard and are connected, to power for the control mainboard, described second
Phase line and zero curve are respectively at the first load connection, with for first load supplying, second phase line and zero curve are distinguished
In the second load connection, for second load supplying；The control mainboard is respectively at first load and second
Load connection, and according to whether receive it is described first load and second load feedback signal determine power supply whether phase shortage.
Preferably, first load includes IPM module；Second load includes the first DC fan.
Preferably, first load further includes the second DC fan or second load includes the second direct current wind
Machine.
Preferably, second load further includes air conditioner valve, and the air conditioner valve is connect with the control mainboard.
Preferably, first load includes the first DC fan, and second load includes the second DC fan；It is described
Air-conditioning system further includes IPM module, and the IPM module is connect with the first phase line and the zero curve.
Preferably, the control mainboard is used for when the feedback signal that first load be not detected or is not detected the
When the feedback signal of two loads, controls the air-conditioning and shut down.
In addition, to achieve the above object, the present invention also provides a kind of progress control method of air-conditioning system, the air-conditioning system
System includes three phase mains interface, control mainboard, the first load and the second load；Wherein three phase mains interface include the first phase line,
Second phase line, third phase line and zero curve, first phase line and the zero curve are distinguished the control mainboard and are connected, for the control
Main board power supply processed, second phase line and zero curve are described with for first load supplying respectively at the first load connection
Second phase line and zero curve are respectively at the second load connection, for second load supplying；
The progress control method of the air-conditioning system the following steps are included:
The control mainboard judges whether to receive the feedback signal of first load and the second load；
When not receiving the feedback signal of first load or the second load, the control mainboard controls the air-conditioning
System-down.
Preferably, the progress control method of the air-conditioning system further include:
When first load powers on, first load sends the first feedback signal to the control mainboard.
Preferably, the progress control method of the air-conditioning system further include:
When second load powers on, second load sends the second feedback signal to the control mainboard.
Preferably, after the control mainboard control air-conditioning system is shut down further include:
The control mainboard exports corresponding standby signal prompt and does not receive the corresponding phase line of feedback signal.
The embodiment of the present invention includes three phase mains interface, control mainboard, the first load and second by the way that air-conditioning system is arranged
Load；Wherein three phase mains interface includes the first phase line, the second phase line, third phase line and zero curve, first phase line and described
Zero curve distinguishes control mainboard connection, and to power for the control mainboard, second phase line and zero curve are respectively at described the
One load connection, with for first load supplying, second phase line and zero curve are connected respectively at second load, with for
Second load supplying；The control mainboard according to whether is received respectively at first load and the second load connection
To it is described first load and second load feedback signal determine power supply whether phase shortage.Therefore, not powering on when control mainboard or
When the load of person first or the second load do not power on, power phase shortage is determined, in phase shortage, can control air-conditioning system and shut down fortune
Row, to enter stoppage protection state, to improve the reliability of operation of air conditioner.
Detailed description of the invention
Fig. 1 is the schematic diagram of circuit connection structure of air-conditioning system first embodiment of the present invention；
Fig. 2 is the schematic diagram of circuit connection structure of air-conditioning system second embodiment of the present invention；
Fig. 3 is the schematic diagram of circuit connection structure of air-conditioning system 3rd embodiment of the present invention；
Fig. 4 is the flow diagram of the progress control method first embodiment of air-conditioning system of the present invention；
Fig. 5 is the flow diagram of the progress control method second embodiment of air-conditioning system of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of air-conditioning system, and referring to Fig.1, in one embodiment, which includes that three phase mains connects
Mouth 10, the load of control mainboard 20, first 30 and the second load 40；Wherein three phase mains interface 10 includes the first phase line A, the second phase
Line B, third phase line C and zero curve N, the first phase line A and the zero curve N distinguish the control mainboard 20 and connect, to be described
Control mainboard 20 is powered, and the second phase line B and zero curve N are respectively at 30 connection of the first load, for first load
30 power supplies, the second phase line B and zero curve N are respectively at 40 connection of the second load, for 40 power supply of the second load；Institute
Control mainboard 20 is stated respectively at 40 connection of first load 30 and the second load, and according to whether receives first load
30 and second load 40 feedback signal determine power supply whether phase shortage.
Air-conditioning system provided in this embodiment is mainly used in the air-conditioning system of single frequency-changeable compressor, for three-phase electricity
Whether phase shortage is detected in source.
It should be noted that the structure of above-mentioned first load 30 and the second load 40 can be according to reality in the present embodiment
It needs to be configured.Specifically, in embodiment, above-mentioned first load 30 and the second load 40 can be generated when powering on
Feedback signal is to control mainboard 20.
Specifically, in installation connection control mainboard 20, first load 30 and the second load 40, change the mode of power supply,
To the load of control mainboard 20, first 30 and the second 40 companies of being powered of load in such a way that each phase of three phase mains is powered respectively
It connects.Specifically, the first phase line A is used to be powered control mainboard 20, the second phase line B is used to supply the first load 30
Electricity, third phase line C are used to be powered the second load.When below to each phase power phase shortage, the working condition that respectively loads and
The working condition of air-conditioning is described in detail:
When N line phase shortage, the load of control mainboard 20, first 30 and the second load 40 are not powered on, then air-conditioning system can not
Work, air-conditioning enter stoppage protection.
When the first phase line A phase shortage, control mainboard 20 is not powered on, and air-conditioning system can not work, and air-conditioning enters stoppage protection.
When the second phase line B phase shortage, control mainboard 20 is powered on, and the first load 30 does not power on, and the second load 40 powers on, and is controlled
Mainboard 20 only receives the feedback signal of the second load 40 generation, can not receive the feedback signal of the first load 30 generation；This
When, control mainboard 20 will control air-conditioning and shut down, hence into stoppage protection.
When third phase line C phase shortage, control mainboard 20 is powered on, and the first load 30 powers on, and the second load 40 does not power on, is controlled
Mainboard 20 only receives the feedback signal of the first load 30 generation, can not receive the feedback signal of the second load 40 generation；This
When, control mainboard 20 will control air-conditioning and shut down, hence into stoppage protection.
It should be noted that in the present embodiment, the connection of above-mentioned first phase line A, the second phase line B and third phase line C composition
Mode can be configured according to actual needs, such as can be star-like connection, or triangle connection.
When control mainboard 20 has electricity, it is negative whether control mainboard 20 can receive the first load 30 and second with cycle detection
Carry 40 feedback signal, so that it is determined that the second phase line B and third phase line C whether phase shortage.Specifically, when detecting, it can open
The feedback signal for judging whether to detect the first load 30 and the second load 40 in the preset time period of machine, is judged.Specifically
Ground, control mainboard 20 are used for when the feedback signal that first load 30 is not detected or the anti-of the second load 40 are not detected
When feedback signal, controls the air-conditioning and shut down, so that air-conditioning enters air-conditioning guard mode, prevent air-conditioning phase-deficient operation, improve
The reliability of operation of air conditioner.
The embodiment of the present invention includes three phase mains interface 10, the load of control mainboard 20, first 30 by the way that air-conditioning system is arranged
With the second load 40；Wherein three phase mains interface 10 includes the first phase line A, the second phase line B, third phase line C and zero curve N, described
The first phase line A and zero curve N distinguishes the control mainboard 20 and connects, for the control mainboard 20 power supply, second phase
Line B and zero curve N is respectively at 30 connection of the first load, for 30 power supply of the first load, the second phase line B and zero curve
N is respectively at 40 connection of the second load, for 40 power supply of the second load；The control mainboard 20 is respectively at described first
40 connection of load 30 and the second load, and according to whether the feedback signal for receiving first load 30 and the second load 40 is true
Determine power supply whether phase shortage.Therefore, when control mainboard 20 do not power on or first load or second load do not power on when, determine
Power phase shortage can control air-conditioning system and shut down operation, to enter stoppage protection state, to improve air-conditioning in phase shortage
Reliability of operation.
It should be noted that the structure of above-mentioned first load 30 and the second load 40 can be set according to actual needs
It sets, as long as can satisfy can feed back corresponding signal to control mainboard 20, thus by control mainboard 20 to anti-when powering on
Feedback signal is judged, it is determined whether phase shortage.Referring to figs. 1 to Fig. 3, below to first load 30 and second load 40 structure into
Row is described in detail:
Specifically, referring to Figures 1 and 2, in one embodiment, a DC fan and an IPM mould can be respectively adopted
The upper electrical feedback signal of block carries out phase shortage judgement.At this point, above-mentioned first load 30 includes IPM module；Second load, 40 packet
Include the first DC fan.
In the present embodiment, which can be indoor fan, or outdoor fan.Specifically, second
DC fan can be powered by the second phase line B, can also be powered by third phase line C.I.e. first, which loads 30, further includes
Second DC fan or second load 40 include the second DC fan.
In addition to this, in air-conditioning system further include that other need power supply part, for example, air-conditioning system further includes air conditioner valve,
The air conditioner valve can be powered by the second phase line B, can also be powered by third phase line C.In the present embodiment, preferably
Second load 30 further includes air conditioner valve, and the air conditioner valve is connect with the control mainboard.
Further, the upper electrical feedback signal of two DC fans can also be passed through in another embodiment referring to Fig. 3
Carry out phase shortage judgement.Specifically, in the present embodiment, above-mentioned first load 30 includes the first DC fan, second load
40 include the second DC fan；The air-conditioning system further includes IPM module, the IPM module and the first phase line and the zero curve
Connection.
In the present embodiment, above-mentioned first phase line A is control mainboard 20 and IPM module for power supply, and the second phase line B is first straight
Flow fan power supply, third phase line B are the power supply of the second DC fan.According to whether the power on signal for receiving the first DC fan is true
Fixed second phase line B whether phase shortage；According to whether the power on signal for receiving the second DC fan determines whether third phase line C lacks
Phase.
Based on above-mentioned air-conditioning system, the present invention also provides a kind of progress control methods of air-conditioning system to be applied to above-mentioned air-conditioning
System, referring to figs. 1 to Fig. 4, in one embodiment, above-mentioned air-conditioning system includes three phase mains interface 10, control mainboard 20, first
Load 30 and the second load 40；Wherein three phase mains interface 10 includes the first phase line A, the second phase line B, third phase line C and zero curve
N, the first phase line A and the zero curve N distinguish the control mainboard 20 and connect, described to power for the control mainboard 20
Second phase line B and zero curve N is respectively at 30 connection of the first load, for 30 power supply of the first load, the second phase line B
With zero curve N respectively at 40 connection of the second load, for 40 power supply of the second load；
The progress control method of the air-conditioning system the following steps are included:
Step S10, the control mainboard judge whether to receive the feedback signal of first load and the second load；
Step S20, when not receiving the feedback signal of first load or the second load, the control mainboard control
The air-conditioning system is shut down.
In the present embodiment, the structure of above-mentioned air-conditioning system is that the air-conditioning system in above-described embodiment is specifically referred to
The description of above embodiments, is not described further herein.
Specifically, control mainboard 20 on startup, detecting real-time first load 30 and second load 40 feedback signal, and
Judgement within a preset period of time whether first load 30 and second load 40 feedback signal.When not receiving the first load 30
When feedback signal, the second phase line B phase shortage is determined；When not receiving the feedback signal of the second load 40, determine that third phase line C is lacked
Phase.Either the second phase line B phase shortage or third phase line C phase shortage or the second phase line B and third phase line C while phase shortage, all
Air-conditioning system can be controlled by control mainboard 20 to shut down, to enter open-phase protection state.Specifically, below for the shape of open-phase protection
State is described in detail:
When N line phase shortage, the load of control mainboard 20, first 30 and the second load 40 are not powered on, then air-conditioning system can not
Work, air-conditioning enter stoppage protection.
When the first phase line A phase shortage, control mainboard 20 is not powered on, and air-conditioning system can not work, and air-conditioning enters stoppage protection.
When the second phase line B phase shortage, control mainboard 20 is powered on, and the first load 30 does not power on, and the second load 40 powers on, and is controlled
Mainboard 20 only receives the feedback signal of the second load 40 generation, can not receive the feedback signal of the first load 30 generation；This
When, control mainboard 20 will control air-conditioning and shut down, hence into stoppage protection.
When third phase line C phase shortage, control mainboard 20 is powered on, and the first load 30 powers on, and the second load 40 does not power on, is controlled
Mainboard 20 only receives the feedback signal of the first load 30 generation, can not receive the feedback signal of the second load 40 generation；This
When, control mainboard 20 will control air-conditioning and shut down, hence into stoppage protection.
It is understood that first load 30 sends the first feedback signal extremely when first load 30 powers on
The control mainboard 20.When second load 40 powers on, second load 40 sends the second feedback signal to the control
Mainboard 20 processed.
In the present embodiment, it is above-mentioned first load 30 and second load 40 respectively with the unlike signal input terminal of control mainboard 20
Connection.After the first load 30 powers on, it will generate the first feedback signal, and pass through the corresponding signal input part of control mainboard 20
It exports to control mainboard 20；After the second load 40 powers on, it will generate the second feedback signal, and corresponding by control mainboard 20
Signal input part export to control mainboard 20.
The present invention by when control mainboard 20 do not power on or first load or second load do not power on when, determine electricity
Source phase shortage, and in phase shortage, it can control air-conditioning system and shut down operation, to enter stoppage protection state, to improve air-conditioning
Reliability of operation.
Further, in conjunction with reference Fig. 5, the progress control method first embodiment based on air-conditioning system of the present invention, at this
In the second embodiment of the progress control method of invention air-conditioning system, after above-mentioned steps S20 further include:
Step S30, the control mainboard export corresponding standby signal prompt and do not receive the corresponding phase line of feedback signal.
In the present embodiment, phase shortage instruction can be carried out by way of indicator light.Such as when control mainboard 20 is not detected
When corresponding feedback signal, it is bright to control corresponding indicator light.Specifically, when the first feedback signal is not detected in control mainboard 20
When, the corresponding indicator light of the second phase line B of control is lighted；When the second feedback signal is not detected in control mainboard 20, third is controlled
The corresponding indicator light of phase line C is lighted；When the first feedback signal and the second feedback signal is not detected simultaneously in shelves control mainboard 20, control
It makes the second phase line B and the corresponding indicator light of third phase line C while lighting.Due to indicating the phase of phase shortage by corresponding indicator light
Line, so that user be facilitated to repair management.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of air-conditioning system, which is characterized in that the air-conditioning system includes three phase mains interface, control mainboard, the first load
With the second load；Wherein three phase mains interface includes the first phase line, the second phase line, third phase line and zero curve, first phase line
It is connect respectively with the control mainboard with the zero curve, to distinguish for control mainboard power supply, second phase line and zero curve
It is connected with first load, with for first load supplying, the third phase line and zero curve are loaded with described second respectively
Connection, for second load supplying；The control mainboard is connected with first load and the second load respectively, and according to
Whether receive it is described first load and second load feedback signal determine power supply whether phase shortage；
The control mainboard is used for when the feedback signal that first load is not detected or the anti-of the second load is not detected
When feedback signal, controls the air-conditioning and shut down.
2. air-conditioning system as described in claim 1, which is characterized in that first load includes IPM module；Described second is negative
Carrying includes the first DC fan.
3. air-conditioning system as claimed in claim 2, which is characterized in that it is described first load further include the second DC fan or
Second load includes the second DC fan.
4. air-conditioning system as claimed in claim 3, which is characterized in that second load further includes air conditioner valve, the sky
Valve body is adjusted to connect with the control mainboard.
5. air-conditioning system as described in claim 1, which is characterized in that first load includes the first DC fan, described
Second load includes the second DC fan；The air-conditioning system further includes IPM module, the IPM module and the first phase line and institute
State zero curve connection.
6. a kind of progress control method of air-conditioning system, which is characterized in that the air-conditioning system includes three phase mains interface, control
Mainboard, the first load and the second load；Wherein three phase mains interface includes the first phase line, the second phase line, third phase line and zero curve,
First phase line and the zero curve are connect with the control mainboard respectively, for control mainboard power supply, second phase
Line and zero curve are connected with first load respectively, with for first load supplying, the third phase line and zero curve respectively with
The second load connection, for second load supplying；
The progress control method of the air-conditioning system the following steps are included:
The control mainboard judges whether to receive the feedback signal of first load and the second load；
When not receiving the feedback signal of first load or the second load, the control mainboard controls the air-conditioning system
It shuts down.
7. the progress control method of air-conditioning system as claimed in claim 6, which is characterized in that the operation control of the air-conditioning system
Method processed further include:
When first load powers on, first load sends the first feedback signal to the control mainboard.
8. the progress control method of air-conditioning system as claimed in claim 6, which is characterized in that the operation control of the air-conditioning system
Method processed further include:
When second load powers on, second load sends the second feedback signal to the control mainboard.
9. the progress control method of air-conditioning system as claimed in claim 6, which is characterized in that described in the control mainboard control
After air-conditioning system is shut down further include:
The control mainboard exports corresponding standby signal prompt and does not receive the corresponding phase line of feedback signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610816494.XA CN106440271B (en) | 2016-09-12 | 2016-09-12 | The progress control method of air-conditioning system and air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610816494.XA CN106440271B (en) | 2016-09-12 | 2016-09-12 | The progress control method of air-conditioning system and air-conditioning system |
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| CN106440271A CN106440271A (en) | 2017-02-22 |
| CN106440271B true CN106440271B (en) | 2019-08-27 |
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| CN102545378A (en) * | 2012-02-14 | 2012-07-04 | 华为技术有限公司 | Controller, load protection method, automatic transfer switching equipment and system |
| CN105914869A (en) * | 2016-05-30 | 2016-08-31 | 鹿寨县众盛商贸有限公司 | Control system of controllable double-power-source switch based on PLC |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61167392A (en) * | 1985-08-16 | 1986-07-29 | Toshiba Corp | Motor drive device of air conditioner |
| CN2056778U (en) * | 1989-09-30 | 1990-05-02 | 西安交通大学 | Anti-theft alarm for electric appliance |
| CN2269013Y (en) * | 1996-08-29 | 1997-11-26 | 蔡伟 | Automatic phase-off protector |
| CN2927441Y (en) * | 2006-05-16 | 2007-07-25 | 上海航通低压电器合作公司 | Single-phase/three-phase phase-off protector |
| JP2008086073A (en) * | 2006-09-26 | 2008-04-10 | Daikin Ind Ltd | Power supply circuit, inverter, ac motor, refrigerant compressor, and air conditioner |
| CN201589374U (en) * | 2009-11-17 | 2010-09-22 | 朱希峰 | Intelligent and automatic control water source heat pump |
| CN102545378A (en) * | 2012-02-14 | 2012-07-04 | 华为技术有限公司 | Controller, load protection method, automatic transfer switching equipment and system |
| CN105914869A (en) * | 2016-05-30 | 2016-08-31 | 鹿寨县众盛商贸有限公司 | Control system of controllable double-power-source switch based on PLC |
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| CN106440271A (en) | 2017-02-22 |
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