CN106930932A - Compressor shutdown control device, system and method - Google Patents
Compressor shutdown control device, system and method Download PDFInfo
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- CN106930932A CN106930932A CN201710239060.2A CN201710239060A CN106930932A CN 106930932 A CN106930932 A CN 106930932A CN 201710239060 A CN201710239060 A CN 201710239060A CN 106930932 A CN106930932 A CN 106930932A
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- 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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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The invention discloses a kind of compressor shutdown control device, system and method.Wherein, the device includes：Control chip and D.C mutual-inductor：Control chip, for when the stopping signal for indicating compressor shutdown is received, the acquisition instructions of the current data for indicating collect and process machine being sent to D.C mutual-inductor；D.C mutual-inductor, for according to acquisition instructions, the current data of collect and process machine, and is transferred to control chip by the current data of collection；Control chip, is additionally operable to the current data gathered according to D.C mutual-inductor, determines the time delay of compressor Delayed shutdown, and compressor shutdown is controlled after time delay.The present invention solves in correlation technique compressor volume control device due to instantaneous stop, so as to the vibration stress for causing pipe arrangement strains larger technical problem.
Description
Technical field
The present invention relates to shut down control field, in particular to a kind of compressor shutdown control device, system and side
Method.
Background technology
In correlation technique, can be made an immediate response after air-conditioner with fixed frequency receives remote control halt instruction and perform shutdown and grasped
Make.However, now, compressor of air conditioner under the effect of the various moments of resistance because working speed is quickly reduced to zero, so as to draw drive
The pipe arrangement for connecting compressor is acutely shaken, and in this case, is easily caused pipe arrangement shutdown strain exceeded serious.In product development
During in order to improve shutdown strain regime, often take the mode in increase Material Cost, sometimes can also be sacrificing other
Performance is cost, so as to greatly affected the reliability that product is used.
For compressor volume control device in above-mentioned correlation technique due to instantaneous stop, so as to the vibration for causing pipe arrangement should
The larger problem of stress-strain, not yet proposes effective solution at present.
The content of the invention
A kind of compressor shutdown control device, system and method are the embodiment of the invention provides, at least to solve related skill
Compressor volume control device is due to instantaneous stop in art, so as to the vibration stress for causing pipe arrangement strains larger technical problem.
A kind of one side according to embodiments of the present invention, there is provided compressor shutdown control device, including：Control chip
And D.C mutual-inductor：Control chip, for when the stopping signal for indicating compressor shutdown is received, being sent to D.C mutual-inductor
Acquisition instructions for indicating the current data of collect and process machine；D.C mutual-inductor, for according to acquisition instructions, collect and process machine
Current data, and the current data of collection is transferred to control chip；Control chip, is additionally operable to be gathered according to D.C mutual-inductor
Current data, determine the time delay of compressor Delayed shutdown, and compressor shutdown is controlled after time delay.
Alternatively, the compressor shutdown control device also includes：Relay, the stopping signal for receiving control chip,
And compressor shutdown is controlled according to stopping signal.
Alternatively, D.C mutual-inductor, is additionally operable to after acquisition instructions are received, and is gathered within first predetermined sampling time
The current data of compressor obtain the first current acquisition data and in second predetermined acquisition time collect and process machine electric current
Data obtain the second current acquisition data, and the first current data for gathering and the second current data are transferred into control chip；
Control chip, is additionally operable to, according to the first current data, obtain first pole of the current data of predetermined sampling time inner compressor
Small value, and according to the second current data, obtain second average value of the current data of predetermined sampling time inner compressor；And
In the case where the difference of minimum and average value is less than predetermined threshold, compressor shutdown is controlled after time delay.
Alternatively, control chip, is additionally operable to determine time delay according to the acceleration transducer on compressor, wherein, plus
Velocity sensor is used to gather the corresponding stoppage vibration of collect and process machine within the different time delay of control chip control and adds
Velocity amplitude, and the stoppage vibration acceleration magnitude of collection is transferred to control chip, accelerate for control chip selection minimum vibration
Angle value corresponding time delay is time delay.
Alternatively, control chip, is additionally operable to control compressor in crank angle at 240 degree to 310 degree after time delay
In the range of shut down.
Another aspect according to embodiments of the present invention, additionally provides a kind of air-conditioner, and the air-conditioner includes above-mentioned
The compressor shutdown control device of one, compressor shutdown control device is used to control the vibration of air conditioner piping.
Another aspect according to embodiments of the present invention, additionally provides a kind of compressor shutdown control system, the compression
Machine shutdown control system includes：The compressor shutdown control device of compressor and any of the above-described, wherein, compressor, for root
Compressor shutdown is performed according to the control instruction of control chip to process.
Alternatively, the compressor shutdown control system also includes：Acceleration transducer, positioned at 1/3 of compressor height
Place is put, for the stoppage vibration acceleration magnitude of collect and process machine, and the stoppage vibration acceleration magnitude of collection control core is transferred to
Piece.
Other side according to embodiments of the present invention, additionally provides a kind of compressor shutdown control method, including：Receive
During to the stopping signal for indicating compressor shutdown, sent for indicating adopting for the current data of collect and process machine to D.C mutual-inductor
Collection instruction；According to the current data that D.C mutual-inductor is gathered, the time delay of compressor Delayed shutdown is determined, and in time delay
After control compressor shutdown.
Alternatively, the current data for being gathered according to D.C mutual-inductor, determines the time delay of compressor Delayed shutdown, and
Compressor shutdown is controlled after time delay to be included：Receive D.C mutual-inductor collect and process machine within first predetermined sampling time
Current data obtains the first current acquisition data and the current data of collect and process machine is obtained in second predetermined acquisition time
Second current acquisition data；According to the first current data, first current data of predetermined sampling time inner compressor of acquisition
Minimum, and according to the second current data, obtain second average value of the current data of predetermined sampling time inner compressor；
And in the case where the difference of minimum and average value is less than predetermined threshold, compressor shutdown is controlled after time delay.
Alternatively, first predetermined sampling time, or second predetermined sampling time is more than compressor operation frequency
1/2nd.
Alternatively, the current data for being gathered according to D.C mutual-inductor, determining the time delay of compressor Delayed shutdown includes：
The corresponding stoppage vibration of acceleration transducer collect and process machine within the different time delay that control chip is controlled is obtained to accelerate
Angle value；Selection minimum vibration acceleration magnitude corresponding time delay is time delay.
Another aspect according to embodiments of the present invention, additionally provides a kind of compressor shutdown control device, including：Connect
Module is received, when the stopping signal of compressor shutdown is indicated for receiving, is sent for indicating collect and process to D.C mutual-inductor
The acquisition instructions of the current data of machine；Control module, for the current data gathered according to D.C mutual-inductor, determines that compressor prolongs
The time delay shut down late, and compressor shutdown is controlled after time delay.
Alternatively, control module includes：Receiving unit, for receiving D.C mutual-inductor within first predetermined sampling time
The current data of collect and process machine obtains the first current acquisition data and the collect and process machine in second predetermined acquisition time
Current data obtains the second current acquisition data；Control unit, for according to the first current data, obtaining first predetermined sampling
The minimum of the current data of time inner compressor, and according to the second current data, obtain in second predetermined sampling time
The average value of the current data of compressor；And in the case where the difference of minimum and average value is less than predetermined threshold, postponing
Compressor shutdown is controlled after time.
Alternatively, control module includes：Acquiring unit, for obtaining the difference that acceleration transducer is controlled in control chip
Time delay in the corresponding stoppage vibration acceleration magnitude of collect and process machine；Select unit, for selecting minimum vibration acceleration
It is worth corresponding time delay for time delay.
Another aspect according to embodiments of the present invention, additionally provides a kind of storage medium, and storage medium includes storage
Program, wherein, equipment where control storage medium performs following operation when program is run：Receive and indicate compressor shutdown
During stopping signal, the acquisition instructions of the current data for indicating collect and process machine are sent to D.C mutual-inductor；It is mutual according to exchange
The current data of sensor collection, determines the time delay of compressor Delayed shutdown, and compressor shutdown is controlled after time delay.
Another aspect according to embodiments of the present invention, additionally provides a kind of processor, and processor is used for operation program,
Wherein, following operation is performed when program is run：When receiving the stopping signal for indicating compressor shutdown, sent to D.C mutual-inductor
Acquisition instructions for indicating the current data of collect and process machine；According to the current data that D.C mutual-inductor is gathered, it is determined that compression
The time delay of machine Delayed shutdown, and compressor shutdown is controlled after time delay.
In embodiments of the present invention, using control chip when the stopping signal for indicating compressor shutdown is received, to friendship
Current transformer sends the acquisition instructions of the current data for indicating collect and process machine；Then, recycle D.C mutual-inductor according to
Acquisition instructions, the current data of collect and process machine, and the current data of collection is transferred to control chip；Finally, using control
Chip determines the time delay of compressor Delayed shutdown according to the current data that D.C mutual-inductor is gathered, and is controlled after time delay
Compressor shutdown processed, so in solving correlation technique compressor volume control device due to instantaneous stop, so as to cause pipe arrangement
Vibration stress strain larger technical problem.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of compressor shutdown control device according to embodiments of the present invention；
Fig. 2 is the schematic diagram of compresser cylinder pressure according to embodiments of the present invention with the change curve of corner；
Fig. 3 be compressor drum resistance according to embodiments of the present invention away from M with corner change curve schematic diagram；
Fig. 4 is the schematic diagram of compressor phase current according to embodiments of the present invention and rotating speed corresponding relation；
Fig. 5 is the flow chart that compressor shutdown according to embodiments of the present invention controls circuit；
Fig. 6 is the flow chart of compressor shutdown control method according to embodiments of the present invention；And
Fig. 7 is the schematic diagram of compressor shutdown control device according to embodiments of the present invention.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of present invention protection
Enclose.
It should be noted that term " first ", " in description and claims of this specification and above-mentioned accompanying drawing
Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that cover
Lid is non-exclusive to be included, for example, the process, method, system, product or the equipment that contain series of steps or unit are not necessarily limited to
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or other intrinsic steps of equipment or unit.
Regarding to the issue above, the embodiment using control chip receive indicate compressor shutdown stopping signal when,
The acquisition instructions of the current data for indicating collect and process machine are sent to D.C mutual-inductor；Then, D.C mutual-inductor is recycled
According to acquisition instructions, the current data of collect and process machine, and the current data of collection is transferred to control chip；Finally, utilize
Control chip determines the time delay of compressor Delayed shutdown according to the current data that D.C mutual-inductor is gathered, and in time delay
After control compressor shutdown.It is specifically described below.
A kind of one side according to embodiments of the present invention, there is provided compressor shutdown control device, Fig. 1 is according to this hair
The schematic diagram of the compressor shutdown control device of bright embodiment, as shown in figure 1, the compressor shutdown control device includes：Control
Chip 11 and D.C mutual-inductor 13.It is specifically described below.
Control chip 11, for when the stopping signal for indicating compressor shutdown is received, being sent to D.C mutual-inductor and being used
In the acquisition instructions of the current data for indicating collect and process machine.
D.C mutual-inductor 13, for according to acquisition instructions, the current data of collect and process machine, and the current data that will be gathered
It is transferred to control chip.
Control chip 11, is additionally operable to the current data gathered according to D.C mutual-inductor, determines prolonging for compressor Delayed shutdown
The slow time, and compressor shutdown is controlled after time delay.
By above-described embodiment, using control chip 11 when the stopping signal for indicating compressor shutdown is received, to friendship
Current transformer 13 sends the acquisition instructions of the current data for indicating collect and process machine；Then, D.C mutual-inductor 13 is recycled
According to acquisition instructions, the current data of collect and process machine, and the current data of collection is transferred to control chip 11；Finally, profit
The time delay of compressor Delayed shutdown is determined according to the current data that D.C mutual-inductor 13 is gathered with control chip 11, and is being prolonged
Compressor shutdown is controlled after the slow time.Because control chip determines that compressor postpones according to the current data that D.C mutual-inductor is gathered
The time delay of shutdown, so as to reduce drag torque of the compressor to piping system, improve piping stress situation and reach carrying
The purpose in high product life-span, so in solving correlation technique compressor volume control device due to instantaneous stop, so as to cause
The vibration stress of pipe arrangement strains larger technical problem.
In order to preferably control compressor shutdown, the compressor shutdown control device can also include：Relay, for connecing
The stopping signal of control chip is received, and compressor shutdown is controlled according to stopping signal.
It should be noted that in order that, D.C mutual-inductor smaller to the vibration of pipe arrangement during compressor shutdown, can be also used for
After acquisition instructions are received, the current data of collect and process machine obtains the first current acquisition within first predetermined sampling time
Data and in second predetermined acquisition time collect and process machine current data obtain the second current acquisition data, and will collection
The first current data and the second current data be transferred to control chip；Control chip, is additionally operable to, according to the first current data, obtain
First minimum of the current data of predetermined sampling time inner compressor is obtained, and according to the second current data, obtains second
The average value of the current data of individual predetermined sampling time inner compressor；And the difference in minimum and average value is less than predetermined threshold
In the case of, compressor shutdown is controlled after time delay.
In addition, in order that delay time is more reasonable, control chip can be also used for being passed according to the acceleration on compressor
Sensor determines time delay, wherein, acceleration transducer is used to gather to be adopted within the different time delay of control chip control
The corresponding stoppage vibration acceleration magnitude of collection compressor, and the stoppage vibration acceleration magnitude of collection is transferred to control chip, it is used for
Control chip selection minimum vibration acceleration magnitude corresponding time delay is time delay.Specifically, (being gone up in sampling time t
State first predetermined sampling time) in, control chip notifies the compressor phase current of current transformer real-time Transmission, in real time ought
Before (i.e. above-mentioned second predetermined sampling time) compressor phase current average and a upper sampling time t (first predetermined sampling
Time) in minimum AminAsk poor, and difference is minimum extremely can approximately equal；Control chip be disconnected after amount of delay Δ t after
Electrical equipment makes compressor shutdown, the stoppage vibration peak acceleration absolute value that recording compressed machine three-dimensional acceleration transducer is collected
amax0；Then, 4 groups of test process are at least set again, and control chip 4 distinguishes time delay 1/ (4*f), 1/ (2* in 4 groups of test process
F), 3/ (4*f), 1/f seconds, wherein f be compressor operation frequency (unit：Hz), excited vibration acceleration transducer is collected
Peak acceleration absolute value, the wherein corresponding delay time of minimum acceleration absolute value are appropriate amount of delay Δ t.
In order that vibration during compressor shutdown to pipe arrangement is smaller, control chip can be also used for being controlled after time delay
Compressor processed is shut down in crank angle in the range of 240 degree to 310 degree, so that acceleration now is smaller.
The embodiment is described in detail with reference to accompanying drawing specifically, Fig. 2 is compressor gas according to embodiments of the present invention
Cylinder pressure with the change curve of corner schematic diagram, as shown in Fig. 2 be directed to compressor with rolling rotor, compressor drum stop turn
During dynamic, it may appear that the situation of rotor reversion.When rotor for the first time invert when, angle of rotor between 190 °~240 °, this
When compressed side cylinder pressure it is higher, the moment of resistance is larger, in addition refrigerant again have pressure higher, make rotor strongly anti-
Turn and make rotor by top dead center position, cause strong vibrations and noise；When corner is between 240 °~310 °, because of major part
Refrigerant has been drained off cylinder, therefore rotor reversion is weaker, and vibrations and noise are weaker；Fig. 3 is compression according to embodiments of the present invention
Machine rotor resistance away from M with corner change curve schematic diagram, as shown in figure 3, when rotor angle is at 310 °~360 °, rotor it is upper only
Point instantaneously stops before position, and now torque reaction is very small, and vibrations and noise are smaller.Contrasted more than, if in control
Can realize that crank angle compressor at 240 °~360 ° stops during compressor shutdown, rolling-rotor torque reaction is smaller, pressure
Contracting casing body vibration weakening, will greatly improve pipe arrangement and shut down strain.
In addition, Fig. 4 is the schematic diagram of compressor phase current according to embodiments of the present invention and rotating speed corresponding relation.Such as Fig. 4
Shown, it is in multiple cyclically-varying that the phase current waveform of compressor is approximate with compressor drum working cycles.
A complete embodiment of the invention is described in detail below in conjunction with the accompanying drawings.
Fig. 5 is the flow chart that compressor shutdown according to embodiments of the present invention controls circuit, as shown in figure 5, the control is electric
Road can include：Compressor 1, current transformer 2, relay 3, control chip 4, transformer 5, wherein, current transformer 2 it is defeated
Enter end connection compressor 1, output end connects the input of control chip 4, the energy supply end connection transformer 5 of control chip 4, control
The output end of chip 4 is connected by relay 3 with compressor 1.In addition, current transformer 2 is provided with a U for connection compressor 1
Circuitry phase (V, W phase also can), wherein, control chip 4 is provided with time delay module, and control chip 4 is also set with corresponding amount of delay Δ
T, the amount of delay Δ t determine in compressor product development；The electric current of the Real-time Collection compressor 1 of current transformer 2, and will collection
To current data be real-time transmitted to control chip 4.
When control circuit receives remote control stopping signal, control chip 4 notifies the Real-time Collection compressor 1 of current transformer 2
Phase current simultaneously samples current data real-time Transmission to control chip 4, the real-time statistics of control chip 4 and calculating current transformer 2
The minimum A of U phase currents absolute value in time tmin；In next sampling time t, when the pressure of the Real-time Collection of current transformer 2
The minimum A recorded in the phase current average absolute value of contracting machine 1 and a upper sampling timeminAsk poor, and difference meets different cycles
Compressor current normal fluctuation range, after the control chip 4 i.e. time delay Δ t times, disconnects relay 5, shuts down compressor 1.
Another aspect according to embodiments of the present invention, additionally provides a kind of air-conditioner, and the air-conditioner includes above-mentioned
The compressor shutdown control device of one, compressor shutdown control device is used to control the vibration of air conditioner piping.
Another aspect according to embodiments of the present invention, additionally provides a kind of compressor shutdown control system, the compression
Machine shutdown control system includes：The compressor shutdown control device of compressor and any of the above-described, wherein, compressor, for root
Compressor shutdown is performed according to the control instruction of control chip to process.
In order that when the stoppage vibration acceleration of the compressor for collecting more conforms to make compressor shutdown pipe arrangement vibration
Smaller, the compressor shutdown control system can also include：Acceleration transducer, at 1/3 position of compressor height, uses
In the stoppage vibration acceleration magnitude of collect and process machine, and the stoppage vibration acceleration magnitude of collection is transferred to control chip.
According to embodiments of the present invention, there is provided a kind of embodiment of the method for compressor shutdown control method, it is necessary to explanation
It is that can be performed in the such as one group computer system of computer executable instructions the step of the flow of accompanying drawing is illustrated,
And, although logical order is shown in flow charts, but in some cases, can be performed with different from order herein
Shown or described step.
Fig. 6 is the flow chart of compressor shutdown control method according to embodiments of the present invention, as shown in fig. 6, the compressor
Halt control method may include steps of：
Step S602, when receiving the stopping signal for indicating compressor shutdown, sends to D.C mutual-inductor and is adopted for instruction
Collect the acquisition instructions of the current data of compressor.
Step S604, according to the current data that D.C mutual-inductor is gathered, determines the time delay of compressor Delayed shutdown, and
Compressor shutdown is controlled after time delay.
By above-mentioned steps, when the stopping signal for indicating compressor shutdown is received, being sent to D.C mutual-inductor is used for
The acquisition instructions of the current data of collect and process machine are indicated, according to the current data that D.C mutual-inductor is gathered, determines that compressor prolongs
The time delay shut down late, and compressor shutdown is controlled after time delay.Due to the electric current number gathered according to D.C mutual-inductor
According to the time delay for determining compressor Delayed shutdown, so as to reduce drag torque of the compressor to piping system, improve pipe arrangement
Stress state simultaneously reaches the purpose for improving life of product, so in solving correlation technique compressor volume control device due to wink
Between shut down, so as to the vibration stress for causing pipe arrangement strains larger technical problem.
In above-mentioned steps S602 to step S604, when the stopping signal for indicating compressor shutdown is received, to exchange
Transformer sends the acquisition instructions of the current data for indicating collect and process machine, according to the electric current number that D.C mutual-inductor is gathered
According to determining the time delay of compressor Delayed shutdown, and compressor shutdown is controlled after time delay.
Alternatively, the current data for being gathered according to D.C mutual-inductor, determines the time delay of compressor Delayed shutdown, and
Compressor shutdown is controlled after time delay can be included：Receive D.C mutual-inductor collect and process within first predetermined sampling time
The current data of machine obtain the first current acquisition data and in second predetermined acquisition time collect and process machine current data
Obtain the second current acquisition data；According to the first current data, first electric current number of predetermined sampling time inner compressor is obtained
According to minimum, and according to the second current data, obtain the flat of second current data of predetermined sampling time inner compressor
Average；And in the case where the difference of minimum and average value is less than predetermined threshold, compressor shutdown is controlled after time delay.
In computation delay time Δ t, the sample frequency of current transformer meets sampling thheorem with this, and first makes a reservation for adopt
The sample time, or second predetermined sampling time is more than 1/2nd of compressor operation frequency, that is to say, sample frequency is more than
2 times of compressor operation frequency f, sampling time t should be more than 2/f.
In addition, in order that the setting of time delay can make the compressor shutdown make the vibration of pipe arrangement smaller, it is mutual according to exchange
The current data of sensor collection, determining the time delay of compressor Delayed shutdown can include：Acceleration transducer is obtained in control
The corresponding stoppage vibration acceleration magnitude of collect and process machine in the different time delay of chip controls processed；Selection minimum vibration accelerates
Angle value corresponding time delay is time delay.
Another aspect according to embodiments of the present invention, additionally provides a kind of compressor shutdown control device, and Fig. 7 is root
According to the schematic diagram of the compressor shutdown control device of the embodiment of the present invention, as shown in fig. 7, the compressor shutdown control device bag
Include：Receiver module 71 and control module 73.The compressor shutdown control device is specifically described below.
Receiver module 71, when the stopping signal of compressor shutdown is indicated for receiving, being sent to D.C mutual-inductor is used for
Indicate the acquisition instructions of the current data of collect and process machine.
Control module 73, for the current data gathered according to D.C mutual-inductor, determines the delay of compressor Delayed shutdown
Time, and compressor shutdown is controlled after time delay.
By above-mentioned compressor shutdown control device, the shutdown for indicating compressor shutdown is received using receiver module 71
During signal, the acquisition instructions of the current data for indicating collect and process machine are sent to D.C mutual-inductor；Then, using controlling mould
The current data that block 73 is gathered according to D.C mutual-inductor, determines the time delay of compressor Delayed shutdown, and after time delay
Control compressor shutdown.The time delay of compressor Delayed shutdown is determined due to the current data gathered according to D.C mutual-inductor,
So as to reduce drag torque of the compressor to piping system, improve piping stress situation and reach the mesh for improving life of product
, so in solving correlation technique compressor volume control device due to instantaneous stop, so as to cause the vibration stress of pipe arrangement
The larger technical problem of strain.
Alternatively, control module includes：Receiving unit, for receiving D.C mutual-inductor within first predetermined sampling time
The current data of collect and process machine obtains the first current acquisition data and the collect and process machine in second predetermined acquisition time
Current data obtains the second current acquisition data；Control unit, for according to the first current data, obtaining first predetermined sampling
The minimum of the current data of time inner compressor, and according to the second current data, obtain in second predetermined sampling time
The average value of the current data of compressor；And in the case where the difference of minimum and average value is less than predetermined threshold, postponing
Compressor shutdown is controlled after time.
Alternatively, control module includes：Acquiring unit, for obtaining the difference that acceleration transducer is controlled in control chip
Time delay in the corresponding stoppage vibration acceleration magnitude of collect and process machine；Select unit, for selecting minimum vibration acceleration
It is worth corresponding time delay for time delay.
Another aspect according to embodiments of the present invention, additionally provides a kind of storage medium, and storage medium includes storage
Program, wherein, equipment where control storage medium performs following operation when program is run：Receive and indicate compressor shutdown
During stopping signal, the acquisition instructions of the current data for indicating collect and process machine are sent to D.C mutual-inductor；It is mutual according to exchange
The current data of sensor collection, determines the time delay of compressor Delayed shutdown, and compressor shutdown is controlled after time delay.
Another aspect according to embodiments of the present invention, additionally provides a kind of processor, and processor is used for operation program,
Wherein, following operation is performed when program is run：When receiving the stopping signal for indicating compressor shutdown, sent to D.C mutual-inductor
Acquisition instructions for indicating the current data of collect and process machine；According to the current data that D.C mutual-inductor is gathered, it is determined that compression
The time delay of machine Delayed shutdown, and compressor shutdown is controlled after time delay.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in certain 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 be by other
Mode is realized.Wherein, device embodiment described above is only schematical, such as division of described unit, Ke Yiwei
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of unit or module by some interfaces
Connect, can be electrical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be according to the actual needs selected to realize the purpose of this embodiment scheme.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is to realize in the form of SFU software functional unit and as independent production marketing or use
When, can store in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part for being contributed to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are used to so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment methods described of the invention whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (17)
1. a kind of compressor shutdown control device, it is characterised in that including：Control chip and D.C mutual-inductor：
The control chip, for when the stopping signal for indicating compressor shutdown is received, being sent to the D.C mutual-inductor
Acquisition instructions for indicating the current data of collect and process machine；
The D.C mutual-inductor, for according to the acquisition instructions, gathering the current data of the compressor, and the institute that will be gathered
State current data and be transferred to the control chip；
The control chip, is additionally operable to the current data gathered according to the D.C mutual-inductor, determines that the compressor prolongs
The time delay shut down late, and the compressor shutdown is controlled after the time delay.
2. control device according to claim 1, it is characterised in that also include：Relay, for receiving the control core
The stopping signal of piece, and the compressor shutdown is controlled according to the stopping signal.
3. control device according to claim 1, it is characterised in that
The D.C mutual-inductor, is additionally operable to after the acquisition instructions are received, and institute is gathered within first predetermined sampling time
The current data for stating compressor obtains the first current acquisition data and gathers the compressor in second predetermined acquisition time
Current data obtain the second current acquisition data, and by gather first current data and second current data pass
It is defeated by the control chip；
The control chip, is additionally operable to according to first current data, obtains described in first predetermined sampling time
The minimum of the current data of compressor, and according to second current data, obtain second predetermined sampling time
The average value of the current data of the interior compressor；And it is less than predetermined threshold with the difference of the average value in the minimum
In the case of, the compressor shutdown is controlled after the time delay.
4. control device according to claim 1, it is characterised in that the control chip, is additionally operable to according to the compression
Acceleration transducer on machine determines the time delay, wherein, the acceleration transducer is used to gather in the control core
The corresponding stoppage vibration acceleration magnitude of the collection compressor in the different time delay of piece control, and will stop described in collection
Machine vibration acceleration magnitude is transferred to the control chip, and for control chip selection, minimum vibration acceleration magnitude is corresponding prolongs
The slow time is the time delay.
5. control device according to claim 1, it is characterised in that the control chip, is additionally operable in the delay
Between after the control compressor shut down in the range of 240 degree to 310 degree in crank angle.
6. a kind of air-conditioner, it is characterised in that including the compressor shutdown control device any one of claim 1 to 5,
The compressor shutdown control device is used to control the vibration of air conditioner piping.
7. a kind of compressor shutdown control system, it is characterised in that including：Any one of compressor and claim 1 to 5
Compressor shutdown control device, wherein, the compressor, for according to the control instruction of the control chip perform compressor
Shutdown is processed.
8. control system according to claim 7, it is characterised in that also include：Acceleration transducer, positioned at the compression
At 1/3 position of machine height, the stoppage vibration acceleration magnitude for gathering the compressor, and the stoppage vibration that will be gathered
Acceleration magnitude is transferred to the control chip.
9. a kind of compressor shutdown control method, it is characterised in that including：
When receiving the stopping signal for indicating compressor shutdown, the electric current for indicating collect and process machine is sent to D.C mutual-inductor
The acquisition instructions of data；
According to the current data that the D.C mutual-inductor is gathered, the time delay of the compressor Delayed shutdown is determined, and
The compressor shutdown is controlled after the time delay.
10. control method according to claim 9, it is characterised in that according to the electricity that the D.C mutual-inductor is gathered
Flow data, determines the time delay of the compressor Delayed shutdown, and the compressor shutdown is controlled after the time delay
Including：
Receive the current data acquisition first that the D.C mutual-inductor gathers the compressor within first predetermined sampling time
Current acquisition data and gathered in second predetermined acquisition time the compressor current data obtain the second current acquisition
Data；
According to first current data, the pole of the current data of the compressor in first predetermined sampling time is obtained
Small value, and according to second current data, obtain the electric current number of the compressor in second predetermined sampling time
According to average value；And in the case where the minimum is less than predetermined threshold with the difference of the average value, in the delay
Between after the control compressor shutdown.
11. control methods according to claim 10, it is characterised in that first predetermined sampling time, Huo Zhesuo
Second predetermined sampling time is stated more than 1/2nd of the compressor operation frequency.
12. control methods according to claim 9, it is characterised in that according to the electricity that the D.C mutual-inductor is gathered
Flow data, determining the time delay of the compressor Delayed shutdown includes：
It is corresponding that acquisition acceleration transducer gathers the compressor within the different time delay that the control chip is controlled
Stoppage vibration acceleration magnitude；
Selection minimum vibration acceleration magnitude corresponding time delay is the time delay.
A kind of 13. compressor shutdown control devices, it is characterised in that including：
Receiver module, when the stopping signal of compressor shutdown is indicated for receiving, sends to D.C mutual-inductor and is adopted for instruction
Collect the acquisition instructions of the current data of compressor；
Control module, for the current data gathered according to the D.C mutual-inductor, determines the compressor Delayed shutdown
Time delay, and the compressor shutdown is controlled after the time delay.
14. control devices according to claim 13, it is characterised in that the control module includes：
Receiving unit, the electric current of the compressor is gathered for receiving the D.C mutual-inductor within first predetermined sampling time
Data obtain the first current acquisition data and the current data acquisition of the compressor are gathered in second predetermined acquisition time
Second current acquisition data；
Control unit, for according to first current data, obtaining the compressor in first predetermined sampling time
Current data minimum, and according to second current data, obtain described in second predetermined sampling time
The average value of the current data of compressor；And the situation of predetermined threshold is less than with the difference of the average value in the minimum
Under, the compressor shutdown is controlled after the time delay.
15. control devices according to claim 13, it is characterised in that the control module includes：
Acquiring unit, gathers described for obtaining acceleration transducer within the different time delay that the control chip is controlled
The corresponding stoppage vibration acceleration magnitude of compressor；
Select unit, is the time delay for selecting minimum vibration acceleration magnitude corresponding time delay.
16. a kind of storage mediums, it is characterised in that the storage medium includes the program of storage, wherein, when described program is run
Equipment where the storage medium is controlled to perform following operation：
When receiving the stopping signal for indicating compressor shutdown, the electric current for indicating collect and process machine is sent to D.C mutual-inductor
The acquisition instructions of data；
According to the current data that the D.C mutual-inductor is gathered, the time delay of the compressor Delayed shutdown is determined, and
The compressor shutdown is controlled after the time delay.
A kind of 17. processors, it is characterised in that the processor be used for operation program, wherein, described program run when perform with
Lower operation：
When receiving the stopping signal for indicating compressor shutdown, the electric current for indicating collect and process machine is sent to D.C mutual-inductor
The acquisition instructions of data；
According to the current data that the D.C mutual-inductor is gathered, the time delay of the compressor Delayed shutdown is determined, and
The compressor shutdown is controlled after the time delay.
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| CN117570007A (en) * | 2024-01-04 | 2024-02-20 | 青岛三源泰科电子科技有限公司 | Compressor control method and system for reducing shutdown vibration |
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