CN107178490B - Control method and device for compressor - Google Patents
Control method and device for compressor Download PDFInfo
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- CN107178490B CN107178490B CN201710362659.5A CN201710362659A CN107178490B CN 107178490 B CN107178490 B CN 107178490B CN 201710362659 A CN201710362659 A CN 201710362659A CN 107178490 B CN107178490 B CN 107178490B
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000001514 detection method Methods 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 239000000725 suspension Substances 0.000 description 9
- 238000004378 air conditioning Methods 0.000 description 8
- 238000005057 refrigeration Methods 0.000 description 4
- 230000009194 climbing Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a control method and a control device for a compressor. Wherein, the method comprises the following steps: detecting an operating parameter of the compressor; acquiring the priority of the operation parameters, wherein each operation parameter has a corresponding preset range; if the first operation parameter does not belong to the corresponding preset range, adjusting the load of the compressor according to an adjusting rule corresponding to the first operation parameter; and if the first operation parameter belongs to the corresponding preset range, judging whether a second operation parameter belongs to the corresponding preset range, wherein the priority of the second operation parameter is lower than that of the first operation parameter. The invention solves the technical problem of poor system stability caused by single control of compressor shutdown when the operation parameters of the compressor are abnormal in the prior art.
Description
Technical field
The present invention relates to compressor fields, in particular to the control method and device of a kind of compressor.
Background technology
Compressor is that low-pressure gas is promoted to a kind of fluid of high pressure gas to unload, and is the core institution of air conditioner refrigerating,
The refrigerant gas of high temperature and pressure is discharged in the refrigerant gas that low-temp low-pressure is sucked from air intake duct to exhaust pipe after being compressed to it,
Power is provided for thermal cycle.
When the parameter that air-conditioning system and compressor operating are closely related occurs abnormal, refrigeration system where unit can be influenced
The safety of operation.By taking magnetic suspension air-conditioning system as an example, present magnetic suspension air-conditioning compressor load is mainly according to control
Target temperature deviation processed adjusts magnetic suspension compressor load.When occur low-voltage variation, low-voltage variation, delivery temperature protection, pressure
When contracting machine current protection, solely stop magnetic suspension compressor.Although such method can ensure the operational safety of compressor, really
It is short of the flexibility of control, causes system stability poor, and frequent start and stop compressor can also reduce the service life of compressor.
For in the operating parameter exception of compressor, single control compressor shutdown leads to system in the prior art
The problem of stability difference, currently no effective solution has been proposed.
Invention content
An embodiment of the present invention provides a kind of control method of compressor and devices, at least to solve pressing in the prior art
When the operating parameter exception of contracting machine, single control compressor shutdown leads to the technical problem of system stability difference.
One side according to the ... of the embodiment of the present invention provides a kind of control method of compressor, including：Detect the pressure
The operating parameter of contracting machine；Obtain the priority of the operating parameter, wherein each operating parameter has corresponding preset range；
If first operating parameter is not belonging to corresponding preset range, according to the corresponding adjusting rule of first operating parameter
Adjust the load of the compressor；If first operating parameter belongs to corresponding preset range, the second operation ginseng is judged
Whether number belongs to corresponding preset range, wherein the priority of second operating parameter is less than first operating parameter
Priority.
Another aspect according to the ... of the embodiment of the present invention additionally provides a kind of control device of compressor, including：Detect mould
Block, the operating parameter for detecting the compressor；Acquisition module, the priority for obtaining the operating parameter, wherein every
A operating parameter has corresponding preset range；First adjustment module, if being not belonging to correspond to for first operating parameter
Preset range, then according to first operating parameter it is corresponding adjust rule adjustment described in compressor load；Judgment module,
If belonging to corresponding preset range for first operating parameter, judge whether the second operating parameter belongs to corresponding pre-
If range, wherein the priority of second operating parameter is less than the priority of first operating parameter.
In embodiments of the present invention, the operating parameter for detecting compressor obtains the priority of operating parameter, wherein each
Operating parameter has corresponding preset range, if the first operating parameter is not belonging to corresponding preset range, according to the first fortune
The corresponding load for adjusting rule adjustment compressor of row parameter is sentenced if the first operating parameter belongs to corresponding preset range
Whether disconnected second operating parameter belongs to corresponding preset range.Said program is worked as by the priority according to operating parameter, selection
The preceding adjusting rule for adjusting compressor load, and the load of compressor is adjusted according to the adjusting of selection rule, so as to
It is enough moderately to adjust magnetic suspension compressor load in advance, it solves in the prior art in the operating parameter exception of compressor, it is single
One control compressor shutdown, leads to the technical problem of system stability difference, and realizes the smooth tune of compressor load control
Section control, the safety and stability of refrigeration system operation, reduces the effect of system energy consumption where promoting unit.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of the control method of compressor according to the ... of the embodiment of the present invention；
Fig. 2 is a kind of flow chart of optional compressor control method according to embodiments of the present invention；
Fig. 3 is a kind of flow chart of load controlling compressor according to delivery temperature according to the ... of the embodiment of the present invention；
Fig. 4 is a kind of flow chart of compressor load bias adjustment according to the ... of the embodiment of the present invention；
Fig. 5 is the schematic diagram of the control device of compressor according to the ... of the embodiment of the present invention.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects
It encloses.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
It includes to be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment to cover non-exclusive
Those of clearly list step or unit, but may include not listing clearly or for these processes, method, product
Or the other steps or unit that equipment is intrinsic.
Embodiment 1
According to embodiments of the present invention, a kind of embodiment of the control method of compressor is provided, it should be noted that attached
The step of flow of figure illustrates can execute in the computer system of such as a group of computer-executable instructions, though also,
So logical order is shown in flow charts, but in some cases, it can be with different from shown by sequence execution herein
Or the step of description.
Fig. 1 is the flow chart of the control method of compressor according to the ... of the embodiment of the present invention, as shown in Figure 1, this method includes
Following steps：
Step S102 detects the operating parameter of compressor.
Specifically, above-mentioned compressor can be magnetic suspension compressor, can also be centrifuge.The operation of above-mentioned compressor is joined
Number may include the electric current of compressor electric motor, the low pressure (i.e. the pressure of suction port of compressor) of compressor, high pressure (i.e. compressor outlet
Pressure) and compressor delivery temperature.In a kind of optional embodiment, can every t1 according to operating parameter to compressor
Carry out the adjusting of a load, t1=30s.
Step S104 obtains the priority of operating parameter, wherein each operating parameter has corresponding preset range.
Specifically, the corresponding preset range of each operating parameter is run for characterizing compressor operating when suitable load
The range of parameter.It, will not be to residing for compressor or compressor when the operating parameter of compressor is in its corresponding preset range
Control system impact.
The delivery temperature for operating parameter including the electric current of compressor electric motor, the low pressure of compressor, high pressure and compressor is
Example, in a kind of optional embodiment, priority sorts from high to low to be：The electric current of compressor electric motor, compressor
The delivery temperature of high pressure, the low pressure of compressor and compressor.
Step S106 is corresponded to if the first operating parameter is not belonging to corresponding preset range according to the first operating parameter
Adjusting rule adjustment compressor load.
Specifically, the above-mentioned load according to the corresponding adjusting rule adjustment compressor of the first operating parameter can be according to fortune
The load of compressor is adjusted in the corresponding adjusting stride of row parameter.In a kind of optional embodiment, each operating parameter
Corresponding different unloaded loads, and the target temperature that the corresponding unloaded loads of each parameter are not arranged with current environmental temperature and air-conditioning
The deviation of degree and change.
Step S108 judges whether the second operating parameter belongs to if the first operating parameter belongs to corresponding preset range
In corresponding preset range, wherein the priority of the second operating parameter is less than the priority of the first operating parameter.
In a kind of optional embodiment, it is ordered as from high to low with the priority of operating parameter：The electricity of compressor electric motor
For the delivery temperature of stream, the high pressure of compressor, the low pressure of compressor and compressor.Compressor open after, every the time simultaneously
Detect the above-mentioned operating parameter of compressor.First determine whether the electric current of compressor electric motor is in the preset range of electric current, if
The electric current of compressor is not belonging to corresponding preset range, then according to the negative of the corresponding Load Regulation rule adjustment compressor of electric current
Lotus；If the electric current of compressor belongs to corresponding preset range, judge whether the high pressure of compressor is in corresponding preset range,
Above-mentioned steps are executed by the priority of operating parameter successively from high to low, until operating parameter all belongs to corresponding preset range
It is interior.If operating parameter all belongs in corresponding preset range, compressor load is adjusted by load deviation, i.e., according to current
The difference of indoor temperature and preset indoor temperature adjusts compressor load.
Herein it should be noted that there is also the control ranges of operating parameter in the prior art, but the control range compared with
Greatly, and to the control lag of compressor load, control compressor is needed to stop immediately when operating parameter is not belonging to the control range
Machine, and the corresponding range of operating parameter in the application is less than the control range of operating parameter in the prior art, that is, running
Parameter just controls compressor when being also not up to critical value and is adjusted accordingly, to prevent the operating parameter substantial deviation of compressor
After ideal range, the processing protection for directly stopping compressor can only be taken.
From the foregoing, it will be observed that the operating parameter of the above embodiments of the present application detection compressor, obtains the priority of operating parameter,
In, each operating parameter has corresponding preset range, if the first operating parameter is not belonging to corresponding preset range, basis
The corresponding load for adjusting rule adjustment compressor of first operating parameter, if the first operating parameter belongs to corresponding default model
It encloses, then judges whether the second operating parameter belongs to corresponding preset range.Said program by the priority according to operating parameter,
The current adjusting rule for adjusting compressor load of selection, and the load of compressor is adjusted according to the adjusting of selection rule,
So as to moderately adjust magnetic suspension compressor load in advance, it is abnormal to solve the operating parameter in compressor in the prior art
When, single control compressor shutdown leads to the technical problem of system stability difference, and realizes the flat of compressor load control
Sliding adjusting control, the safety and stability of refrigeration system operation, reduces the effect of system energy consumption where promoting unit.
Optionally, according to the above embodiments of the present application, if whole operating parameters of compressor belong to corresponding preset
Range then adjusts the load of compressor according to target deviation value, that is, carrying out load deviation adjusting to compressor, wherein target
Deviation is the difference of current indoor temperature and preset indoor temperature,
Fig. 2 is a kind of flow chart of optional compressor control method according to embodiments of the present invention, should in conjunction with shown in Fig. 2
Compressor control method includes：
S21, compressor start.
S22 often enters compressor unloading by preset time and judges.
Specifically, above-mentioned preset time can be 30s.
S23 judges whether to meet the excessively high unloading condition of electric current.If the electric current of compressor meets the item of the excessively high unloading of electric current
Part then enters step S24, otherwise enters step S25.Specifically, the excessively high unloading condition of electric current is that current parameters are corresponding default
Range.
S24, the excessively high unloading of electric current.
In above-mentioned steps, electric current is excessively high to have corresponding adjusting rule, then unloads stride, meets in the electric current of compressor
In the case of the excessively high unloading condition of electric current, the load of compressor is unloaded according to corresponding unloading stride.
S25, judges whether the high pressure of compressor meets the condition of high pressure unloading, meets high pressure unloading in the high pressure of compressor
Condition in the case of, enter step S26, otherwise enter step S27.Specifically, the condition of high pressure unloading is high voltage parameter pair
The preset range answered.
S26, high pressure unloading.
In above-mentioned steps, this operating parameter of high pressure has corresponding adjusting rule, then stride is unloaded, in compressor
In the case that high pressure meets high pressure unloading condition, the load of compressor is unloaded according to corresponding unloading stride.
S27, judges whether the low pressure of compressor meets the condition of low pressure unloading, is unloaded if the low pressure of compressor meets low pressure
The condition of load then enters step S28, otherwise enters step S29.The condition of low pressure unloading is the corresponding default model of low pressure parameter
It encloses.
S28, low pressure unloading.
In above-mentioned steps, this operating parameter of low pressure has corresponding adjusting rule, then stride is unloaded, in compressor
In the case that low pressure meets low pressure unloading condition, the load of compressor is unloaded according to corresponding unloading stride.
S29, judges whether the delivery temperature of compressor meets the condition of exhaust high temperature unloading, if the exhaust temperature of compressor
Whether degree meets the condition of exhaust high temperature unloading, then enters step S210, otherwise enter step S211.The item of exhaust high temperature unloading
Part is the corresponding preset range of delivery temperature.
S210, exhaust high temperature unloading.
In above-mentioned steps, this operating parameter of delivery temperature has corresponding adjusting rule, then unloads stride, compressing
In the case that the delivery temperature of machine meets exhaust high temperature unloading condition, the load of compressor is unloaded according to corresponding unloading stride.
S211, into compressor load bias adjustment.
Optionally, according to the above embodiments of the present application, according to the corresponding adjusting rule adjustment compressor of the first operating parameter
Load, including：
Step S1061, it is corresponding according to the first operating parameter if the first operating parameter is more than corresponding unloading threshold value
Unload the load of stride unloading compressor.
Specifically, above-mentioned first operating parameter has corresponding unloading stride, it is more than corresponding unload in the first operating parameter
In the case of carrying threshold value, load unloading is carried out with the corresponding unloading stride control compressor of the first operating parameter.
Step S1063, if the first operating parameter is less than or equal to corresponding unloading threshold value, according to the first operating parameter pair
The holding threshold value and target deviation threshold value answered adjust the load of compressor, wherein threshold value is kept to be less than unloading threshold value.
Specifically, above-mentioned holding threshold value is less than unloading threshold value, when the first operating parameter is less than or equal to unloading threshold value, pass through
First operating parameter controls the load of compressor with threshold value and target deviation value is kept.
Optionally, according to the above embodiments of the present application, step S1063, according to the corresponding holding threshold value of the first operating parameter
The load of compressor is adjusted with target deviation threshold value, including：
Step S10631 obtains the target of compressor in the case where the first operating parameter is more than corresponding holding threshold value
Deviation.
Specifically, in the case where the first operating parameter is less than or equal to keep threshold value, determine that the first operating parameter belongs to conjunction
Suitable range, into the step of whether the second operation ginseng belongs to corresponding preset range judged, if the first operating parameter is excellent
The minimum operating parameter of first grade then adjusts the load of compressor according to target deviation value.
Step S10633, if the target deviation of compressor is more than the corresponding target deviation threshold value of the first operating parameter,
The load for keeping compressor current.
In above-mentioned steps, if the target deviation of compressor is more than the corresponding target deviation threshold value of the first operating parameter,
Then determine that current indoor temperature has certain gap with preset indoor temperature, needs compressor that current loads is kept to continue to run with.
Step S10635, if the target deviation of compressor is less than or equal to the corresponding target deviation threshold of the first operating parameter
Value then unloads the load of compressor according to target deviation.
In above-mentioned steps, if the target deviation of compressor is less than or equal to the corresponding target deviation threshold of the first operating parameter
Value, it is determined that current indoor temperature is closer to preset indoor temperature, needs to unload compressor current loads.
In above-mentioned steps, if target deviation is more than predetermined deviation unloading value, it is determined that current indoor temperature with it is pre-
If indoor temperature has certain gap, compressor need to also be according to current load operation.
Fig. 3 is a kind of flow chart of load controlling compressor according to delivery temperature according to the ... of the embodiment of the present invention, in the following,
In conjunction with shown in Fig. 3, to being illustrated with the corresponding load for adjusting rule control compressor of delivery temperature：
Step S31, continuous 5s detect compressor exhaust temperature.
Step S32, judges whether delivery temperature is more than exhaust unloading temperature PQXZ.It is more than exhaust unloading temperature in delivery temperature
In the case of degree, 33 are entered step, in the case where delivery temperature is less than or equal to exhaust unloading temperature, enters step S34.
Step S33 carries out climbing Unloading Control to compressor.
Specifically, the corresponding unloading stride of delivery temperature can be obtained, and according to the corresponding unloading stride pair of delivery temperature
The load of compressor is unloaded.In above-mentioned steps, when delivery temperature is more than exhaust unloading temperature PQXZ, compressor is determined
Belong to the corresponding unloading range of delivery temperature, the load of compressor is unloaded by the corresponding unloading stride of delivery temperature.
Step S34, judges whether delivery temperature is more than exhaust and keeps temperature PQBC, if delivery temperature is more than exhaust and keeps
Temperature then enters step S35, otherwise enters step S38.Specifically, above-mentioned exhaust keeps temperature PQBC to be less than exhaust unloading temperature
Spend PQXZ.
In above-mentioned steps, if delivery temperature is more than exhaust and keeps temperature PQBC, it is determined that the delivery temperature of compressor
Belong to hold in range, if delivery temperature is less than or equal to exhaust and keeps temperature PQBC, it is determined that the delivery temperature of compressor does not belong to
In the hold in range of delivery temperature.
Step S35, judges whether target deviation is less than predetermined deviation unloading value MBPC0, is preset if target deviation is less than
Deviation unloading value, then enter step S36, otherwise enter step S37.
Step S36 is unloaded into load deviation.
In above-mentioned steps, if target deviation is less than or equal to predetermined deviation unloading value MBPC0, it is determined that current interior
Temperature is closer to preset indoor temperature, therefore is entered load deviation and unloaded, i.e. the load according to target deviation value to compressor
It is unloaded.
Step S37, climbing are kept.
In above-mentioned steps, keep the load of compressor constant.If target deviation is more than predetermined deviation unloading value
MBPC0, it is determined that current indoor temperature has certain gap with preset indoor temperature, and compressor need to also be according to current load
Operation.
Step S38 is adjusted into load deviation.Since delivery temperature is the minimum operating parameter of priority, arranging
When temperature degree also runs on suitable range, compressor enters load deviation adjusting.
Step S1061 obtains the corresponding unloading stride of the first operating parameter.
Specifically, each operating parameter has corresponding unloading stride.In a kind of optional embodiment, each parameter
With preset unloading stride difference, and do not changed according to environment temperature and the deviation of the target temperature of air-conditioning.
Step S1063 unloads the load of compressor according to the corresponding unloading stride of the first operating parameter.
In above-mentioned steps, Unloading Control is carried out to compressor according to the corresponding unloading stride of the first operating parameter.Due to
The corresponding unloading stride of first operating parameter is preset fixed stride, therefore can be prevented since compressor unloading stride is excessive
Increase the unstability of system.
Optionally, according to the above embodiments of the present application, it can execute once to be adjusted according to target deviation value every t2 and compress
The load of machine, t1=10s, the load that compressor is adjusted according to target deviation value include：
Step S1010 detects current indoor temperature, and obtains the target deviation of current indoor temperature and preset indoor temperature
Value.
Specifically, above-mentioned preset indoor temperature can be the target temperature that air-conditioning is arranged in user.
Step S1012 adds if target deviation value is more than the first predetermined deviation value according to corresponding with target deviation value
Carry the load of stride load compressor.
In above-mentioned steps, if target deviation value is excessive, illustrate current indoor temperature and preset indoor temperature deviation
It is excessive, it is therefore desirable to compressor load to be loaded, so as to be that current indoor temperature is approached close to preset indoor temperature.
Step S1014, if target deviation value is less than or equal to the second predetermined deviation value, basis and target deviation value pair
The load for the unloading stride unloading compressor answered, wherein the second predetermined deviation value is less than the first predetermined deviation value.
In above-mentioned steps, if target deviation value is too small, illustrate current indoor temperature and preset indoor temperature partially compared with
It is small, it is therefore desirable to compressor load to be unloaded, to avoid waste of energy.
Fig. 4 is a kind of flow chart of compressor load bias adjustment according to the ... of the embodiment of the present invention, in a kind of optional reality
It applies in example, in conjunction with shown in Fig. 4, when the operating parameter of compressor belongs to corresponding preset range, compressor is every preset time
Compressor target load is calculated by load deviation adjusting method.Load deviation adjusting method includes the following steps：
Step S41 detects current goal deviation.Specifically, can be by detected value (the i.e. current air-conditioning institute of control targe
The indoor temperature at place) with setting value (target temperature) target deviation is calculated.
Step S42, judges whether target deviation value is less than or equal to MBPC1 (the second predetermined deviation value), in target deviation value
In the case of less than or equal to MBPC1, S43 is entered step, S44 is otherwise entered step.
Step S43, load deviation unloading.
In above-mentioned steps, compressor unloading load DB1, DB1 is the stride of compressor unloading, by target deviation degree meter
It obtains, and is the limit value of unloading, prevent unloading stride excessive, increase system operation unstability.
Step S44, judges whether target deviation value is less than or equal to MBPC4 (the first predetermined deviation value).In target deviation value
S45 is entered step less than or equal to the case where MBPC4, otherwise enters step S46.
Step S45, climbing are kept.
In above-mentioned steps, the current loads of compressor are kept.
Step S46, load deviation load.
In above-mentioned steps, compressor loads load DB1, DB1 is the stride of compressor loads, by target deviation degree meter
It obtains, and is the limit value of load, prevent load stride excessive, increase system operation unstability.
In the above-described embodiments, when detecting control targe deviation more than MBPC2, compression enters load deviation load and adjusts
Section, compressor loads load DB1；When detecting target deviation less than or equal to MBPC1, compressor enters load deviation unloading and adjusts
Section, compressor unloading load DB2.
Embodiment 2
According to embodiments of the present invention, a kind of embodiment of the control device of compressor is provided, Fig. 5 is according to of the invention real
The schematic diagram of the control device of the compressor of example is applied, as shown in figure 5, the device includes：
Detection module 50, the operating parameter for detecting compressor.
Specifically, above-mentioned compressor can be magnetic suspension compressor, can also be centrifuge.The operation of above-mentioned compressor is joined
Number may include the electric current of compressor electric motor, the low pressure (i.e. the pressure of suction port of compressor) of compressor, high pressure (i.e. compressor outlet
Pressure) and compressor delivery temperature.
Acquisition module 52, the priority for obtaining operating parameter, wherein each operating parameter has corresponding default model
It encloses.
Specifically, the corresponding preset range of each operating parameter is run for characterizing compressor operating when suitable load
The range of parameter.It, will not be to residing for compressor or compressor when the operating parameter of compressor is in its corresponding preset range
Control system impact.
First adjustment module 54, if being not belonging to corresponding preset range for the first operating parameter, according to the first fortune
The corresponding load for adjusting rule adjustment compressor of row parameter.
Specifically, the above-mentioned load according to the corresponding adjusting rule adjustment compressor of the first operating parameter can be according to fortune
The load of compressor is adjusted in the corresponding adjusting stride of row parameter.In a kind of optional embodiment, each operating parameter
Corresponding different unloaded loads, and the target temperature that the corresponding unloaded loads of each parameter are not arranged with current environmental temperature and air-conditioning
The deviation of degree and change.
Judgment module 56 judges the second operating parameter if belonging to corresponding preset range for the first operating parameter
Whether corresponding preset range is belonged to, wherein the priority of the second operating parameter is less than the priority of the first operating parameter.
Herein it should be noted that there is also the control ranges of operating parameter in the prior art, but the control range compared with
Greatly, and to the control lag of compressor load, control compressor is needed to stop immediately when operating parameter is not belonging to the control range
Machine, and the corresponding range of operating parameter in the application is less than the control range of operating parameter in the prior art, that is, running
Parameter just controls compressor when being also not up to critical value and is adjusted accordingly, to prevent the operating parameter substantial deviation of compressor
After ideal range, the processing protection for directly stopping compressor can only be taken.
From the foregoing, it will be observed that the above embodiments of the present application detect the operating parameter of compressor by detection module, by obtaining mould
Block obtains the priority of operating parameter, wherein each operating parameter has corresponding preset range, such as by the first adjustment module
The first operating parameter of fruit is not belonging to corresponding preset range, then according to the corresponding adjusting rule adjustment compressor of the first operating parameter
Load whether judge the second operating parameter if belonging to corresponding preset range by the first operating parameter of judgment module
Belong to corresponding preset range.Said program selects current adjusting compressor load by the priority according to operating parameter
Rule is adjusted, and the load of compressor is adjusted according to the adjusting of selection rule, so as to moderately adjust magnetic in advance
Suspension compressor load solves in the prior art in the operating parameter exception of compressor, single control compressor shutdown,
Lead to the technical problem of system stability difference, and realize the smooth adjustment control of compressor load control, promotes unit place
The safety and stability of refrigeration system operation, reduces the effect of system energy consumption.
Optionally, according to the above embodiments of the present application, above-mentioned apparatus further includes：
Second adjustment module adjusts compressor if belonging to preset range for operating parameter according to target deviation value
Load.
Optionally, according to the above embodiments of the present application, the first adjustment module includes：
First unloading submodule, if being more than corresponding unloading threshold value for the first operating parameter, according to the first operation
The load of the corresponding unloading stride unloading compressor of parameter；
Submodule is adjusted, if being less than or equal to corresponding unloading threshold value for the first operating parameter, according to the first operation
Parameter is corresponding to keep threshold value and target deviation threshold value to adjust the load of compressor, wherein threshold value is kept to be less than unloading threshold value, mesh
Mark the difference that deviation is current indoor temperature and preset indoor temperature.
Optionally, according to the above embodiments of the present application, adjusting submodule includes：
Acquiring unit, in the case where the first operating parameter is more than corresponding holding threshold value, obtaining the mesh of compressor
Mark deviation.
Holding unit, if the target deviation for compressor is more than the corresponding target deviation threshold value of the first operating parameter,
The load for then keeping compressor current.
Unit is adjusted, if the target deviation for compressor is less than or equal to the corresponding target deviation threshold of the first operating parameter
Value then unloads the load of compressor according to target deviation.
Optionally, according to the above embodiments of the present application, the priority of operating parameter being ordered as from high to low：Compressor
The delivery temperature of electric current, the high pressure of compressor, the low pressure of compressor and compressor.
Optionally, according to the above embodiments of the present application, the second adjustment module includes：
Detection sub-module for detecting current indoor temperature, and obtains current indoor temperature and the mesh of preset indoor temperature
Mark deviation；
Submodule is loaded, if being more than the first predetermined deviation value, basis and target deviation value pair for target deviation value
The load for the load stride load compressor answered；
Second unloading submodule, if being less than or equal to the second predetermined deviation value, basis and mesh for target deviation value
Mark the load of the corresponding unloading stride unloading compressor of deviation, wherein the second predetermined deviation value is less than the first predetermined deviation value.
Embodiment 3
According to embodiments of the present invention, a kind of storage medium is provided, storage medium includes the program of storage, wherein in journey
Equipment executes the control method of the compressor of any one in embodiment 1 where controlling storage medium when sort run.
Embodiment 4
According to embodiments of the present invention, a kind of processor is provided, which is characterized in that processor is for running program, wherein
The control method of the compressor of any one in embodiment 1 is executed when program is run.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
In the above embodiment of the present invention, all emphasizes particularly on different fields to the description of each embodiment, do not have in some embodiment
The part of detailed description may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, for example, the unit division, Ke Yiwei
A kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
It connects, can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
On unit.Some or all of unit therein can be selected according to the actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes：USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can to store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of control method of compressor, which is characterized in that including：
Detect the operating parameter of the compressor；
Obtain the priority of the operating parameter, wherein each operating parameter has corresponding preset range；
If the first operating parameter is not belonging to corresponding preset range, according to the corresponding adjusting rule of first operating parameter
Adjust the load of the compressor；
If first operating parameter belongs to corresponding preset range, judge whether the second operating parameter belongs to corresponding pre-
If range, wherein the priority of second operating parameter is less than the priority of first operating parameter；
If whole operating parameters of the compressor belong to corresponding preset range, according to the adjusting of target deviation value
The load of compressor, wherein the target deviation value is the difference of current indoor temperature and preset indoor temperature.
2. according to the method described in claim 1, it is characterized in that, being adjusted according to the corresponding adjusting rule of first operating parameter
The load of the compressor is saved, including：
If first operating parameter is more than corresponding unloading threshold value, unloaded according to the corresponding unloading stride of the first operating parameter
Carry the load of the compressor；
If first operating parameter is less than or equal to corresponding unloading threshold value, according to the corresponding guarantor of first operating parameter
It holds threshold value and target deviation threshold value adjusts the load of the compressor, wherein the holding threshold value is less than the unloading threshold value.
3. according to the method described in claim 2, it is characterized in that, according to the corresponding holding threshold value of first operating parameter and
Target deviation threshold value adjusts the load of the compressor, including：
In the case where first operating parameter is more than the corresponding holding threshold value, the target for obtaining the compressor is inclined
Difference；
If the target deviation of the compressor be more than the corresponding target deviation threshold value of first operating parameter, keep described in
The current load of compressor；
If the target deviation of the compressor is less than or equal to the corresponding target deviation threshold value of first operating parameter, basis
The target deviation unloads the load of the compressor.
4. method as claimed in any of claims 1 to 3, which is characterized in that the priority of the operating parameter by
High to low is ordered as：The electric current of the compressor, the high pressure of the compressor, the low pressure of the compressor and the compressor
Delivery temperature.
5. according to the method described in claim 4, it is characterized in that, adjust the load of the compressor according to target deviation value,
Including：
Current indoor temperature is detected, and obtains the target deviation value of the current indoor temperature and preset indoor temperature；
If the target deviation value is more than the first predetermined deviation value, according to load stride corresponding with target deviation value
Load the load of the compressor；
If the target deviation value is less than or equal to the second predetermined deviation value, according to unloading corresponding with target deviation value
Stride unloads the load of the compressor, wherein the second predetermined deviation value is less than the first predetermined deviation value.
6. a kind of control device of compressor, which is characterized in that including：
Detection module, the operating parameter for detecting the compressor；
Acquisition module, the priority for obtaining the operating parameter, wherein each operating parameter has corresponding default model
It encloses；
First adjustment module is run if being not belonging to corresponding preset range for the first operating parameter according to described first
The corresponding load for adjusting compressor described in rule adjustment of parameter；
Judgment module judges that the second operating parameter is if belonging to corresponding preset range for first operating parameter
It is no to belong to corresponding preset range, wherein the priority of second operating parameter is preferential less than first operating parameter
Grade；
Described device further includes：
Second adjustment module, if whole operating parameters for the compressor belong to corresponding preset range, basis
Target deviation value adjusts the load of the compressor, wherein the target deviation value is current indoor temperature and default Indoor Temperature
The difference of degree.
7. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein run in described program
When control the storage medium where equipment perform claim require the control method of the compressor described in any one of 1 to 5.
8. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run
Profit requires the control method of the compressor described in any one of 1 to 5.
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| CN201710362659.5A CN107178490B (en) | 2017-05-19 | 2017-05-19 | Control method and device for compressor |
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|---|---|---|---|
| CN201710362659.5A CN107178490B (en) | 2017-05-19 | 2017-05-19 | Control method and device for compressor |
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| CN107178490B true CN107178490B (en) | 2018-11-09 |
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| CN108333981B (en) * | 2017-12-25 | 2019-10-18 | 珠海格力电器股份有限公司 | Compressor stop control method and device |
| CN113639452B (en) * | 2020-04-27 | 2023-02-28 | 青岛海尔空调电子有限公司 | Compressor control method for heat exchange system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5664937A (en) * | 1994-02-03 | 1997-09-09 | Hitachi, Ltd. | Precisely flow-controlling pump |
| CN101901014A (en) * | 2009-05-27 | 2010-12-01 | 宝山钢铁股份有限公司 | Method for controlling forecast pressure regulation in air compression stations |
| CN103216963A (en) * | 2012-01-19 | 2013-07-24 | 三星电子株式会社 | Air conditioner and starting control method thereof |
| CN203453028U (en) * | 2013-09-13 | 2014-02-26 | 重庆杰控电气自动化有限公司 | Energy-saving control system for air compressors |
| CN104457071A (en) * | 2013-09-23 | 2015-03-25 | 汉拿伟世通空调有限公司 | Method for controlling electric compressor of heat pump system for an automotive vehicle |
-
2017
- 2017-05-19 CN CN201710362659.5A patent/CN107178490B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5664937A (en) * | 1994-02-03 | 1997-09-09 | Hitachi, Ltd. | Precisely flow-controlling pump |
| CN101901014A (en) * | 2009-05-27 | 2010-12-01 | 宝山钢铁股份有限公司 | Method for controlling forecast pressure regulation in air compression stations |
| CN103216963A (en) * | 2012-01-19 | 2013-07-24 | 三星电子株式会社 | Air conditioner and starting control method thereof |
| CN203453028U (en) * | 2013-09-13 | 2014-02-26 | 重庆杰控电气自动化有限公司 | Energy-saving control system for air compressors |
| CN104457071A (en) * | 2013-09-23 | 2015-03-25 | 汉拿伟世通空调有限公司 | Method for controlling electric compressor of heat pump system for an automotive vehicle |
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