CN103983060A - Control method for a plurality of variable-frequency compressors and system - Google Patents
Control method for a plurality of variable-frequency compressors and system Download PDFInfo
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- CN103983060A CN103983060A CN201410181532.XA CN201410181532A CN103983060A CN 103983060 A CN103983060 A CN 103983060A CN 201410181532 A CN201410181532 A CN 201410181532A CN 103983060 A CN103983060 A CN 103983060A
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Abstract
The invention provides a control method for a plurality of variable-frequency compressors. The variable-frequency compressors exist in one machine unit, and the control method comprises the following step that 1, after a machine unit is electrified, the volume information of the machine unit is preset; 2, a main control panel judges whether the received volume information of the machine unit is identical to the preset volume information of the machine unit or not; if so, the machine unit is normally started; if not, the machine unit gives out sound and light warning signals and is not started. The invention also provides a system. The control method for the variable-frequency compressors and the system provided by the invention have the advantages that the machine unit is controlled to be normally started after the consistency of the received volume information of the machine unit and the preset volume information of the machine unit is judged through the main control panel, the wiring correctness between the compressor and a corresponding compressor driving plate can be ensured, the damage of the compressors is prevented, and the operation stability of the machine unit is ensured.
Description
Technical field
The present invention relates to refrigerating field, particularly relate to a kind of control method and system of a plurality of frequency-changeable compressors.
Background technology
When unit exists a plurality of frequency-changeable compressor, between different compressors and corresponding driven compressor plate, tend to occur connection error.Such as, compressor 1 being connected on the drive plate of compressor 2, the drive plate that compressor 2 is connected to compressor 1 is first-class.Can cause like this frequency of the drive plate output of compressor to occur abnormal, cause the damage of compressor, and then cause the problems such as fluctuation of service, poor refrigerating efficiency of unit.
Summary of the invention
Present situation in view of prior art, the object of the present invention is to provide a kind of control method and system of a plurality of frequency-changeable compressors, avoid the connection error between compressor and corresponding driven compressor plate, prevented the damage of compressor, guaranteed the stability of unit operation.
For achieving the above object, the present invention adopts following technical scheme:
A control method for a plurality of frequency-changeable compressors, a plurality of frequency-changeable compressors are present in same unit, comprise the steps:
The capacity information of default unit after S1, unit power on;
Whether the capacity information of the unit that the judgement of S2, master control borad receives is consistent with the capacity information of default unit, if so, described unit normal boot-strap; If not, described unit sends sound and light alarm signal, and described unit is not started shooting.
In an embodiment, described step S2 comprises the steps: therein
Whether the address of each driven compressor plate that S21, the judgement of described master control borad receive is consistent with the default address of described each driven compressor plate, if so, enters step S22; If not, described unit sends sound and light alarm signal;
Whether corresponding with described each driven compressor plate the model of the compressor that described each driven compressor plate that the judgement of S22, described master control borad receives is corresponding default compressor model be consistent, if so, described unit normal boot-strap; If not, described unit sends sound and light alarm signal, and described unit is not started shooting.
In an embodiment, described step S1 also comprises the steps: therein
Described master control borad is kept at the capacity information of described default unit in the first memory cell.
In an embodiment, before described step S2, also comprise the steps: therein
Described master control borad detects the capacity information of the unit of described each driven compressor plate transmission in real time, and the capacity information of the unit that the drive plate of described each compressor is transmitted is kept in the second memory cell.
In an embodiment, the capacity information of described unit comprises address and the compressor model corresponding to described each driven compressor plate of described each driven compressor plate therein.
The present invention also provides a kind of system, adopts the control method of a plurality of frequency-changeable compressors described in above-mentioned any one,
Comprise master control borad, driven compressor plate and compressor; The quantity of described compressor and described driven compressor plate is a plurality of, a plurality of described compressors and the corresponding setting one by one of a plurality of described driven compressor plates, and a plurality of described driven compressor plates are electrically connected to described master control borad respectively;
Described driven compressor plate is used for driving corresponding described compressor, and sends the capacity information of unit to described master control borad; Whether the capacity information of the unit that described master control borad judgement receives is consistent with the capacity information of default unit.
In an embodiment, also comprise indicator lamp therein, described indicator lamp is electrically connected to described master control borad, when described indicator lamp is inconsistent for the capacity information of the capacity information of the unit that receives at described master control borad and default unit, lights.
In an embodiment, also comprise buzzer therein, described buzzer is electrically connected to described master control borad, and described buzzer is for the inconsistent alarm of capacity information of the capacity information of the unit that receives at described master control borad and default unit.
In an embodiment, be provided with the first memory cell on described master control borad therein, described the first memory cell is for storing the capacity information of described default unit.
In an embodiment, on described master control borad, be also provided with the second memory cell therein; Described the second memory cell is for storing the capacity information of the unit that described master control borad receives.
The invention has the beneficial effects as follows:
The control method of a plurality of compressors of the present invention and system, after the capacity information of the capacity information that judges the unit receiving by master control borad and default unit is consistent, control again unit normal boot-strap, guaranteed the correctness of wiring between compressor and corresponding driven compressor plate, prevent the damage of compressor, guaranteed the stability of unit operation.
Accompanying drawing explanation
Fig. 1 is the flow chart of control method one embodiment of a plurality of frequency-changeable compressors of the present invention;
Fig. 2 is the structured flowchart of system one embodiment of the present invention.
The specific embodiment
In order to make technical scheme of the present invention clearer, below in conjunction with accompanying drawing, the control method of a plurality of frequency-changeable compressors of the present invention and system are described in further detail.Should be appreciated that specific embodiment described herein is only in order to explain that the present invention is not intended to limit the present invention.
Referring to Fig. 1 to Fig. 2, be illustrated in figure 1 the flow chart of control method one embodiment of a plurality of frequency-changeable compressors of the present invention, a plurality of frequency-changeable compressors are present in same unit, and control method comprises the steps:
The capacity information of default unit after S1, unit power on.After unit powers on, by the capacity information of the default unit of the operation push-button on master control borad.Preferably, the capacity information of unit comprises address and the compressor model corresponding to each driven compressor plate of each driven compressor plate.After unit powers on, first by master control borad, distribute address to each driven compressor plate, and specify the compressor model that each driven compressor plate is corresponding.The address that it should be understood that driven compressor plate can be physical address or logical address.
Illustrate this process below:
Whether the capacity information of S2, the unit that receives of judgement is consistent with the capacity information of default unit, if so, unit normal boot-strap; If not, unit sends sound and light alarm signal, and unit is not started shooting.Now, unit can not normal boot-strap, need to reexamine driven compressor plate and whether occur mistake with the line of corresponding compressor.Like this when there is the situation of compressor and corresponding driven compressor plate connection error, machine group alarm and do not allow unit start, can find timely and change connection error, guarantee the exact connect ion between compressor and corresponding driven compressor plate, and then the stable operation of assurance unit.
After the capacity information of the capacity information that judges the unit receiving by master control borad and default unit is consistent, control again unit normal boot-strap, guaranteed the correctness of wiring between compressor and corresponding driven compressor plate, prevent the damage of compressor, guaranteed the stability of unit operation.
As a kind of embodiment, step S2 comprises the steps:
Whether the address of each driven compressor plate that S21, master control borad judgement receive is consistent with the default address of each driven compressor plate, if so, enters step S22; If not, unit sends sound and light alarm signal.
For example, the address of the driven compressor plate 1 that master control borad receives is 0002, the default address of driven compressor plate 1 is 0001, and judgment result is that of master control borad receives the address of driven compressor plate 1 and the default address of driven compressor plate 1 is not mated, and unit sends sound and light alarm signal.The situation of other driven compressor plates is similar to the situation of driven compressor plate 1, repeats no more herein.
If the address of the driven compressor plate 1 that master control borad receives is also 0001, the address that judgment result is that the driven compressor plate 1 receiving of master control borad and the default matching addresses of driven compressor plate 1.If the address of driven compressor plate 1～N that master control borad receives all matches address default with it, enter step S22.
Whether corresponding with each driven compressor plate the model of the compressor that each driven compressor plate that the judgement of S22, master control borad receives is corresponding default compressor model be consistent, if so, unit normal boot-strap; If not, unit sends sound and light alarm signal, and unit is not started shooting.
For example, the compressor model of driven compressor plate 1 correspondence that master control borad receives is compressor 2, and the default compressor model of driven compressor plate 1 is compressor 1, master control borad judgment result is that compressor model that the driven compressor plate that receives the is corresponding compressor model corresponding with default driven compressor plate is inconsistent, unit sends sound and light alarm signal.The situation of other driven compressor plates is similar to the situation of driven compressor plate 1, repeats no more herein.
If the compressor model of driven compressor plate 1 correspondence that master control borad receives is compressor 1, the compressor model compressor model corresponding with default driven compressor plate corresponding to driven compressor plate receiving that judgment result is that of master control borad mated.If compressor model corresponding to driven compressor plate 1～N that master control borad receives all compressor model default with it matches, unit normal boot-strap.
In the present embodiment, the sound and light alarm signal that unit sends is that indicator lamp is lighted, buzzer warning.Indicator lamp can be LED light, and buzzer can also be other sound-controlled apparatuses.
Preferably, step S1 also comprises the steps: that master control borad is kept at the capacity information of default unit in the first memory cell.Preferably, before step S2, also comprise the steps: that master control borad detects the capacity information of the unit of each driven compressor plate transmission in real time, and the capacity information of the unit that the drive plate of each compressor is transmitted is kept in the second memory cell.
Like this, when execution step S2, master control borad only need to read the capacity information of default unit from the first memory cell, reads the capacity information of the unit of each driven compressor plate transmission receiving from the second memory cell, then compares judgement.Further guarantee the accuracy that compressor connects with corresponding driven compressor plate, guaranteed the stability of unit operation.
As shown in Figure 2, the invention still further relates to a kind of system based on same inventive concept, adopt the control method of a plurality of frequency-changeable compressors of above-mentioned arbitrary technical scheme, system comprises master control borad 100, driven compressor plate 200 and compressor 300.Wherein, compressor 300 is frequency-changeable compressor.The quantity of compressor 300 and driven compressor plate 200 identical and be a plurality of, a plurality of compressors 300 and the corresponding setting one by one of a plurality of driven compressor plates 200, and a plurality of driven compressor plate is connected to respectively master control borad 100.
Driven compressor plate 200 is for driving corresponding compressor 300, and sends the capacity information of unit to master control borad.Whether master control borad 100 is consistent with the capacity information of default unit for the capacity information that judges the unit receiving, if so, unit normal boot-strap; If not, unit sends sound and light alarm signal, and unit is not started shooting.
As a kind of embodiment, also comprise indicator lamp 400 and buzzer 500, preferably, indicator lamp 400 is LED lamp.Wherein, indicator lamp 400 is electrically connected to master control borad 100, and buzzer 500 is electrically connected to master control borad 100.When indicator lamp is inconsistent for the capacity information of the capacity information of the unit that receives at master control borad and default unit, light, buzzer is used for the capacity information of the unit that receives at master control borad and the inconsistent alarm of capacity information of default unit.When the capacity information of the capacity information of the unit receiving when master control borad and default unit is inconsistent, indicator lamp is lit, buzzer warning.The capacity information of unit comprises address and the compressor model corresponding to driven compressor plate of driven compressor plate.The judgement of vision and the sense of hearing is provided for operating personnel like this, operating personnel can have been checked timely and line fault improved man-machine interaction.
Preferably, on master control borad, be provided with the first memory cell and the second memory cell.Wherein, the first memory cell is for storing the capacity information of default unit, and the second memory cell is for the capacity information of the unit storing master control borad and receive.
Like this, master control borad only need to read the capacity information of default unit from the first memory cell, reads the capacity information of the unit of each driven compressor plate transmission receiving from the second memory cell, then compares judgement.Further guarantee the accuracy that compressor connects with corresponding driven compressor plate, guaranteed the stability of unit operation.
The control method of a plurality of compressors of the present invention and system, after the capacity information of the capacity information that judges the unit receiving by master control borad and default unit is consistent, control again unit normal boot-strap, guaranteed the correctness of wiring between compressor and corresponding driven compressor plate, prevent the damage of compressor, guaranteed the stability of unit operation.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a control method for a plurality of frequency-changeable compressors, a plurality of frequency-changeable compressors are present in same unit, it is characterized in that, comprise the steps:
The capacity information of default unit after S1, unit power on;
Whether the capacity information of the unit that the judgement of S2, master control borad receives is consistent with the capacity information of default unit, if so, described unit normal boot-strap; If not, described unit sends sound and light alarm signal, and described unit is not started shooting.
2. the control method of a plurality of frequency-changeable compressors according to claim 1, is characterized in that, described step S2 comprises the steps:
Whether the address of each driven compressor plate that S21, the judgement of described master control borad receive is consistent with the default address of described each driven compressor plate, if so, enters step S22; If not, described unit sends sound and light alarm signal;
Whether corresponding with described each driven compressor plate the model of the compressor that described each driven compressor plate that the judgement of S22, described master control borad receives is corresponding default compressor model be consistent, if so, described unit normal boot-strap; If not, described unit sends sound and light alarm signal, and described unit is not started shooting.
3. the control method of a plurality of frequency-changeable compressors according to claim 2, is characterized in that, described step S1 also comprises the steps:
Described master control borad is kept at the capacity information of described default unit in the first memory cell.
4. the control method of a plurality of frequency-changeable compressors according to claim 2, is characterized in that, before described step S2, also comprises the steps:
Described master control borad detects the capacity information of the unit of described each driven compressor plate transmission in real time, and the capacity information of the unit that the drive plate of described each compressor is transmitted is kept in the second memory cell.
5. according to the control method of a plurality of frequency-changeable compressors described in claim 1-4 any one, it is characterized in that:
The capacity information of described unit comprises address and the compressor model corresponding to described each driven compressor plate of described each driven compressor plate.
6. a system, adopts the control method of a plurality of frequency-changeable compressors described in claim 1-5 any one, it is characterized in that:
Comprise master control borad, driven compressor plate and compressor; The quantity of described compressor and described driven compressor plate is a plurality of, a plurality of described compressors and the corresponding setting one by one of a plurality of described driven compressor plates, and a plurality of described driven compressor plates are electrically connected to described master control borad respectively;
Described driven compressor plate is used for driving corresponding described compressor, and sends the capacity information of unit to described master control borad; Whether described master control borad is consistent with the capacity information of default unit for the capacity information that judges the unit receiving.
7. system according to claim 6, is characterized in that:
Also comprise indicator lamp, described indicator lamp is electrically connected to described master control borad, when described indicator lamp is inconsistent for the capacity information of the capacity information of the unit that receives at described master control borad and default unit, lights.
8. system according to claim 7, is characterized in that:
Also comprise buzzer, described buzzer is electrically connected to described master control borad, and described buzzer is for the inconsistent alarm of capacity information of the capacity information of the unit that receives at described master control borad and default unit.
9. system according to claim 6, is characterized in that:
On described master control borad, be provided with the first memory cell, described the first memory cell is for storing the capacity information of described default unit.
10. system according to claim 6, is characterized in that:
On described master control borad, be also provided with the second memory cell; Described the second memory cell is for storing the capacity information of the unit that described master control borad receives.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410181532.XA CN103983060B (en) | 2014-04-30 | 2014-04-30 | The control method of multiple frequency-changeable compressors and system |
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| CN201410181532.XA CN103983060B (en) | 2014-04-30 | 2014-04-30 | The control method of multiple frequency-changeable compressors and system |
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| CN103983060A true CN103983060A (en) | 2014-08-13 |
| CN103983060B CN103983060B (en) | 2016-07-06 |
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| CN105156315A (en) * | 2015-08-04 | 2015-12-16 | 广东美的暖通设备有限公司 | Detection system, device and method for multiple compressors |
| CN110094332A (en) * | 2019-05-10 | 2019-08-06 | 珠海格力电器股份有限公司 | Compressor automatic addressing control method, device and multi-compressor system |
| CN112556122A (en) * | 2020-12-15 | 2021-03-26 | 佛山市顺德区美的电子科技有限公司 | Air conditioning system, control method thereof and outdoor unit |
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| CN110094332A (en) * | 2019-05-10 | 2019-08-06 | 珠海格力电器股份有限公司 | Compressor automatic addressing control method, device and multi-compressor system |
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| CN103983060B (en) | 2016-07-06 |
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