CN107514848A - Compressor frequency adjusting method and device and frequency adjuster - Google Patents
Compressor frequency adjusting method and device and frequency adjuster Download PDFInfo
- Publication number
- CN107514848A CN107514848A CN201710557852.4A CN201710557852A CN107514848A CN 107514848 A CN107514848 A CN 107514848A CN 201710557852 A CN201710557852 A CN 201710557852A CN 107514848 A CN107514848 A CN 107514848A
- Authority
- CN
- China
- Prior art keywords
- compressor
- frequency
- information
- control information
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000004891 communication Methods 0.000 claims description 33
- 230000001276 controlling effect Effects 0.000 claims description 27
- 230000003993 interaction Effects 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 abstract description 15
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
- F25B2400/077—Compressor control units, e.g. terminal boxes, mounted on the compressor casing wall containing for example starter, protection switches or connector contacts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0251—Compressor control by controlling speed with on-off operation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0253—Compressor control by controlling speed with variable speed
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a method and a device for adjusting the frequency of a compressor and a frequency adjuster, wherein the method comprises the following steps: receiving a target frequency, wherein the target frequency is a frequency input according to needs; receiving control information of a system controller, wherein the control information is used for controlling the compressor through a compressor driving controller; judging whether the control information contains information for controlling the compressor to stop; and when the control information does not contain information for controlling the compressor to stop, replacing the compressor frequency in the control information with the target frequency to obtain new control information, and sending the new control information to the compressor driving controller so that the compressor driving controller controls the compressor according to the new control information. The invention not only ensures that the frequency of the compressor can be adjusted as required, but also can avoid the situation that the compressor is burnt out under abnormal conditions because the control information of the system controller can not reach the compressor driving controller.
Description
Technical field
The present invention relates to compressor regulation technology field, in particular to a kind of compressor frequency adjusting method, device
And frequency regulator.
Background technology
For refrigeration plant, research and development, experiment or after sale etc. during usually require individually to adjust compressor frequency
Section.Generally, refrigeration plant frequency is adjusted generally by system controller, driven compressor controller and compressor set into such as Fig. 1.
By taking convertible frequency air-conditioner as an example, when air-conditioning normal work, if the system controller of air-conditioning needs to adjust compressor frequency, by target
Frequency is sent to driven compressor controller, and driven compressor controls compressor operating again according to target frequency, if system controls
Device detects that the abnormal parameters such as system high pressure or driven compressor controller return to abnormal data, then complete machine is shut down, so as to prevent
Compressor continues to run with and burns compressor.
However, above-mentioned research and development, experiment or after sale etc. during, need to individually adjust compressor frequency to remove system control
Device, outer machine data are simulated by computer software and are adjusted, because system controller and driven compressor controller communication are broken
To open, compressor measures the abnormal signals such as high pressure after opening even if outer machine examination also can not normally pass to driven compressor controller,
Compressor can not be stopped in time, the risk for burning compressor be present.
To sum up, the problem of existing in the prior art is if necessary to any regulation compressor frequency, then to cause to compress
Machine can not be shut down because of some abnormal conditions, and then cause it to burn.
The content of the invention
It is a primary object of the present invention to provide a kind of compressor frequency adjusting method, device and frequency regulator, with solution
Certainly it can then cause compressor can not stop because of some abnormal conditions if necessary to any regulation compressor frequency in the prior art
Machine, and then the problem of cause it to burn.
To achieve these goals, according to an aspect of the invention, there is provided a kind of compressor frequency adjusting method.Root
Compressor frequency adjusting method according to the present invention includes：Target frequency is received, the target frequency is the frequency inputted according to needs
Rate；The control information of reception system controller, the control information are used to control compressor by driven compressor controller；Sentence
Whether the control information of breaking includes the information for being used for controlling the compressor shutdown；It is used to control when the control information does not include
When making the information of the compressor shutdown, the compressor frequency in the control information is replaced with into the target frequency and obtained newly
Control information, and send to the driven compressor controller so that the driven compressor controller is according to new control
Information controls the compressor.
Alternatively, the control information includes compressor shutdown mark, judges whether the control information includes and is used to control
Making the information of the compressor shutdown includes：Determine the value of the compressor shutdown mark；Wherein, when the compressor shutdown mark
When will is the first value, represent that the control information includes the information for being used for controlling the compressor shutdown；When compressor stops marking
When will is second value, represent that the control information does not include the information for being used for controlling the compressor shutdown.
Alternatively, when the control information, which includes, is used to control the information of the compressor shutdown, the control is believed
Breath is sent to the driven compressor controller, and the compressor shutdown is controlled by the driven compressor controller.
Alternatively, in addition to：Receive the information that the driven compressor controller returns；The driven compressor is controlled
The information that device returns is sent to the system controller.
Alternatively, sent in the information for returning to the driven compressor controller to the system controller, institute
Stating compressor frequency adjusting method also includes：Receive the limit frequency information or frequency reducing information of the system controller；According to the limit
Frequency information or frequency reducing information are limited the target frequency, the target frequency after being limited；By the target frequency after limitation
Rate is sent to the driven compressor controller.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of compressor frequency adjusting means,
Including：First receiving unit, for receiving target frequency, the target frequency is the frequency inputted according to needs；Second receives
Unit, for the control information of reception system controller, the control information is used for by driven compressor controller control pressure
Contracting machine；Judging unit, for judging whether the control information includes the information for being used for controlling the compressor shutdown；Send single
Member, for when the control information do not include be used for control the compressor shutdown information when, by the control information
Compressor frequency replaces with the target frequency and obtains new control information, and sends to the driven compressor controller, with
The driven compressor controller is set to control the compressor according to new control information.
Alternatively, the control information includes compressor shutdown mark, and the judging unit includes：Determining module, it is used for
Determine the value of the compressor shutdown mark；Wherein, when the compressor shutdown is masked as the first value, the control letter is represented
Breath includes the information for being used to control the compressor shutdown；When compressor stopping mark is second value, the control letter is represented
Breath does not include the information for being used for controlling the compressor shutdown.
Alternatively, the transmitting element is additionally operable to when the control information includes the letter for being used for controlling the compressor shutdown
During breath, the control information is sent to the driven compressor controller, as described in driven compressor controller control
Compressor shutdown.
Alternatively, in addition to：3rd receiving unit, the information returned for receiving the driven compressor controller；Return
Receipt member, the information for the driven compressor controller to be returned are sent to the system controller.
Alternatively, in addition to：4th receiving unit, for receiving the limit frequency information or frequency reducing letter of the system controller
Breath；Limiting unit, for being limited according to the limit frequency information or frequency reducing information the target frequency, after being limited
Target frequency；Wherein, the transmitting element is additionally operable to send the target frequency after limitation to the driven compressor controller.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of frequency regulator, including：The
One communication interface, is connected with system controller, for being communicated with the system controller；Second communication interface, with compression
Machine drive control device connects, for being communicated with the driven compressor controller；Human-computer interaction module, inputted for receiving
Target frequency；Control unit, distinguish with first communication interface, second communication interface and the human-computer interaction module
Connection, whether the control information for judging to receive from the system controller, which includes, is used to control the compressor shutdown
Information；When the control information, which does not include, is used to control the information of the compressor shutdown, by the pressure in the control information
Contracting unit frequency replaces with the target frequency and obtains new control information, and sends to the driven compressor controller, so that
The driven compressor controller controls the compressor according to new control information.
Alternatively, in addition to：Display module, it is connected with described control unit, for showing the target frequency of the input.
Alternatively, described control unit is single-chip microcomputer, and the human-computer interaction module is keyboard.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of frequency regulating system, including：
Driven compressor controller, for driving compressor control；System controller, for controlling the driven compressor controller；
Frequency regulator, communicate be connected respectively with the driven compressor controller and the system controller.
According to embodiments of the present invention, in the case where receiving the target frequency of input, believed according to the control of system controller
Cease to determine whether to control compressor to run according to the target frequency, both ensure that can adjust compressor frequency as required,
Also it is avoided that because the control information of system controller is unable to reach driven compressor controller, causes to compress in abnormal cases
The situation that machine burning is ruined.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structured flowchart according to the frequency regulating system of prior art；
Fig. 2 is the structured flowchart of frequency regulating system according to embodiments of the present invention；
Fig. 3 is the flow chart of compressor frequency adjusting method according to embodiments of the present invention；
Fig. 4 is the flow chart of optional compressor frequency adjusting method according to embodiments of the present invention；
Fig. 5 is the schematic diagram of compressor frequency adjusting means according to embodiments of the present invention.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
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, the technical scheme in the embodiment of the present invention is clearly and completely described, 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, it should all belong to the model that the present invention protects
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to embodiments of the invention described herein.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include without clear
It is listing to Chu or for the intrinsic other steps of these processes, method, product or equipment or unit.
The embodiments of the invention provide a kind of frequency regulating system, as shown in Fig. 2 the frequency regulating system includes：Compression
Machine drive control device 21, system controller 22 and frequency regulator 23.
Driven compressor controller 21 is used to drive compressor 24；System controller 22 is used to control driven compressor to control
Device 21；Frequency regulator 23 communicates connection respectively with driven compressor controller 21 and system controller 22.
Driven compressor controller 21 can drive compressor operating, for example, controlling the start and stop of compressor and controlling it
Running frequency.System controller 22 can control the work of driven compressor controller 21, when the frequency regulating system is used in sky
Adjust in device, the system controller is then air-conditioner controller.Frequency regulator can receive the target frequency of user's input, to generation
The compressor frequency of driven compressor controller 21 is sent to for system controller 22, so as to realize to any of compressor frequency
Regulation.On the other hand, the control command of some safeguard measures of system controller is (for example, abnormal conditions are shut down, disorderly closedown
Deng), it can be sent by frequency regulator to driven compressor controller, to control compressor shutdown.
The embodiment of the present invention increases frequency regulator between system controller and driven compressor controller, and frequency is adjusted
Section device is connected across between system controller and driven compressor controller, and realizing both can arbitrarily adjust compressor frequency, again
The problem of compressor being avoided to burn.
The embodiment of the present invention additionally provides a kind of frequency regulator, and the frequency regulator can be used for institute of the embodiment of the present invention
The frequency regulating system stated.As shown in Fig. 2 the frequency regulator 23 includes：First communication interface 231, the second communication interface
232nd, human-computer interaction module 233 and control unit 234.
First communication interface 231 is connected with system controller 22, for being communicated with system controller 22.For example, connect
The control information that system controller 22 is sent is received, the control information is used to control compressor by driven compressor controller；Or
Person sends the information received from driven compressor controller 21 to system controller 22.
Second communication interface 232 is connected with driven compressor controller 21, for being carried out with driven compressor controller 21
Communication.For example, sending control information to driven compressor controller 21, or receive the information of its return.
Human-computer interaction module 233 is used for the target frequency for receiving input.User can be as desired by man-machine interaction mould
Block 233 inputs target frequency to frequency regulator.
Control unit 234 connects respectively with the first communication interface 231, the second communication interface 232 and human-computer interaction module 233
Connect, whether the control information for judging to receive from system controller 22 includes the information for being used for controlling compressor 24 to shut down；
When control information does not include the information for being used for controlling compressor 24 to shut down, the compressor frequency in control information is replaced with into mesh
Mark frequency obtains new control information, and sends to driven compressor controller 21, so that the basis of driven compressor controller 21
New control information control compressor 24.
Under normal circumstances, system controller communication interface is joined directly together with driven compressor controller communication interface.According to
Prior art, the connecting line of system controller and driven compressor controller is disconnected, the substitute is frequency modulation display and pressure
Contracting machine drive control device is directly connected to.Due to losing the communication with outer machine, even if system controller detects that high pressure is too high
It Deng abnormal signal, can not also notify that driven compressor controller control compressor is out of service, cause compressor to burn.
Scheme provided in an embodiment of the present invention, the communication between system controller and driven compressor controller is disconnected first
Line, the first communication interface of system controller communication interface and frequency regulator is connected, the second communication interface drives with compressor
Movement controller communication interface connects.Human-computer interaction module and display module are used for Freely input and display compressor target frequency.
In the embodiment of the present invention, after frequency regulator 23 receives the control information of system controller 22, first judge
The information of the shutdown of compressor 24 wherein whether is included, not comprising in the case of, can be controlled and pressed according to the target frequency of input
Contracting machine 24 is run, and can so be avoided compressor 24 from burning and can also be adjusted the frequency of compressor 24 as needed.
As an alternative embodiment, the frequency regulator of the embodiment of the present invention also includes：Display module 235, with
Control unit 234 connects, and is displayed for the target frequency and other information of input.
As an alternative embodiment, the control unit of the embodiment of the present invention can use single-chip microcomputer, man-machine interaction mould
Block is keyboard.
The embodiment of the present invention additionally provides a kind of compressor frequency adjusting method, and this method can be used for the embodiment of the present invention
The frequency regulator of offer, performed by the frequency regulator.
Fig. 3 is the flow chart of compressor frequency adjusting method according to embodiments of the present invention.As shown in figure 3, this method bag
It is as follows to include step：
Step S302, receives target frequency, and target frequency is the frequency inputted according to needs.The target frequency leads to for user
The frequency of above-mentioned human-computer interaction module input is crossed, that is to say the target frequency of regulation compressor.
Step S304, the control information of reception system controller, control information are used to pass through driven compressor controller control
Compressor processed.The control information of frequency regulator reception system controller, the control information directly act on and driven compressor control
Device processed, the work of compressor is directly controlled by driven compressor controller, for example, start/stop of compressor or adjusting its frequency.
It should be noted that the process kind that above-mentioned steps S302 and step S304 is performed is regardless of front and rear.
Step S306, judges whether control information includes the information for being used for controlling compressor shutdown.
Step S308, when control information, which does not include, is used to control the information of compressor shutdown, by the pressure in control information
Contracting unit frequency replaces with target frequency and sent to driven compressor controller, wherein, driven compressor controller is used for basis
Control information controls compressor.
Step S310, when control information, which includes, is used to control the information of compressor shutdown, by the compression in control information
Unit frequency replaces with target frequency and obtains new control information, and sends to driven compressor controller, so that driven compressor
Controller controls compressor according to new control information.
When control information, which does not include, is used to control the information of compressor shutdown, represent that compressor can be according to normal condition
Operation, therefore the target frequency control compressor operating of input can be used, by by the compression in control information in the present embodiment
Unit frequency is substituted for target frequency, and new control information is sent to driven compressor controller, is controlled by driven compressor
Device control compressor is run according to target frequency；When comprising information for controlling compressor shutdown, then control is needed to compress
Machine, which is shut down, avoids its appearance is abnormal from burning, and now, uncontrollable compressor is run according to the target frequency of input, will directly be controlled
Information is intact to be sent to driven compressor controller, and compressor is controlled according to control information by driven compressor controller
Shut down.
According to embodiments of the present invention, in the case where receiving the target frequency of input, believed according to the control of system controller
Cease to determine whether to control compressor to run according to the target frequency, both ensure that can adjust compressor frequency as required,
Also it is avoided that because the control information of system controller is unable to reach driven compressor controller, causes to compress in abnormal cases
The situation that machine burning is ruined.
As an alternative embodiment, the control information of the embodiment of the present invention includes compressor shutdown mark, judge
Whether control information, which includes, is used to control the information of compressor shutdown to include：Determine the value of compressor shutdown mark；Wherein, pressure is worked as
When the shutdown of contracting machine is masked as the first value, represent that control information includes the information for being used for controlling compressor shutdown；When compressor stops
When being masked as second value, represent that control information does not include the information for being used for controlling compressor shutdown.
Specifically, exist in the control information and be used to indicate whether the flag bit for controlling compressor shutdown, the first value can be with
It is 1, second value can be 0.Frequency controller judged this mark, when this is masked as 0, then will be received in control information
Compressor frequency value replaces with the target frequency of input, and is verified, and is ready for sending and gives driven compressor controller.If this is marked
Will is 1, then the control information received remains untouched, and is sent to driven compressor controller.
As another optional embodiment of the embodiment of the present invention, in addition to：Driven compressor controller is received to return
Information；The information that driven compressor controller returns is sent to system controller.
Specifically, after frequency regulator sends control information to driven compressor controller, driven compressor control
Device processed is carried out after handling and operating accordingly, can return to corresponding information.Frequency regulator sends this information to system control
Device processed, corresponding data analysis and judgement are carried out by system controller, for example, carrying out abnormal judgement or breakdown judge etc..
According to embodiments of the present invention, system control is fed back to by the information for returning to driven compressor controller in time
Device, controlled accordingly by it, to ensure that the normal table of whole system is run.
As further optional embodiment, the embodiment of the present invention is in the information hair for returning to driven compressor controller
Deliver to after system controller, compressor frequency adjusting method also includes：
Step S1, the limit frequency information or frequency reducing information of reception system controller.Limit frequency information refers to need to limit compressor
Highest or low-limit frequency, ensure the operation of compressor normal table in limit frequency section；Frequency reducing information refers to compressor
Current operation frequency carries out the information of frequency reducing.
Step S2, target frequency is limited according to limit frequency information or frequency reducing information, the target frequency after being limited；
Step S3, the target frequency after limitation is sent to driven compressor controller.
The limit frequency information or frequency reducing information sent after being analyzed by system controller is limited the target frequency of compressor
System, remains that compressor is run in the state of safety and stability.
Fig. 4 is the flow chart of preferable compressor frequency adjusting method according to embodiments of the present invention.The compression of the embodiment
Unit frequency adjusting method can be a kind of preferred embodiment of the compressor frequency adjusting method of above-described embodiment.Such as Fig. 4 institutes
Show, it is as follows that the compressor frequency adjusting method includes step：
Step S401, disconnect the communication wire between system controller and driven compressor controller；
Step S402, system controller communication interface is connected with the first communication interface of frequency regulator, compressor drives
Movement controller communication interface is connected with the second communication interface of frequency regulator.
Step S403, electricity on unit, now system controller, driven compressor controller and frequency regulator be synchronously
Electricity, frequency regulator enter work ready state.
Step S404, input need the compressor target frequency adjusted, and after the completion of target frequency setting, its value is adjusted by frequency
The control unit for saving device carries out temporal cache.Display module is used for the relevant parameters such as display target frequency.
Step S405, frequency regulator receives system controller when issuing the control information of driven compressor controller,
The control information is parsed and cached.
In the control information that system controller is sent, the target frequency of control compressor is not only contained, also contains is
It is no to need driven compressor controller to shut down mark.If desired compressor is out of service, and this mark puts 1, otherwise sets to 0 control unit
This mark is judged, if this is masked as 0, target frequency value in control information will be received and replaced with step S405
The target frequency of input, and verified, it is ready for sending and gives driven compressor controller.Otherwise, if this is masked as 1, will connect
The control information received remains untouched, and is ready for sending and gives driven compressor controller.
Step S406, the control information in step S405 is sent to driven compressor controller, driven compressor control
Device parses to the data received, if shut down be masked as 1 or target frequency be 0, control compressor stop, preventing from compressing
Machine burning is ruined.Otherwise according to target FREQUENCY CONTROL compressor operating.
Step S407, after the second communication interface sends control information to driven compressor controller, control unit controls it
Switch to reception state, receive the information that driven compressor controller returns.The information is sent to by the first communication interface again
System controller.The information received is parsed system controller, whole if packet requires the mark of complete machine shutdown containing driving
Machine is shut down, if desired limit frequency or frequency reducing, then air conditioner is limited target frequency, otherwise by normal operation.
By using above technical scheme, the embodiment of the present invention had both realized freely adjusting to compressor frequency, prevented again
Stop compressor to burn.
The embodiment of the present invention additionally provides a kind of compressor frequency adjusting means.The device can be real by frequency regulator
Its existing function.It should be noted that the compressor frequency adjusting means of the embodiment of the present invention can be used for performing implementation of the present invention
The compressor frequency adjusting method that example is provided, the compressor frequency adjusting method of the embodiment of the present invention can also pass through the present invention
Compressor frequency adjusting means that embodiment is provided performs.
Fig. 5 is the schematic diagram of compressor frequency adjusting means according to embodiments of the present invention.As shown in figure 5, the compressor
Frequency regulation arrangement includes：First receiving unit 501, the second receiving unit 502, judging unit 503 and transmitting element 504.
First receiving unit 501 is used to receive target frequency, and target frequency is the frequency inputted according to needs.Target frequency
Rate is the frequency that user is inputted by above-mentioned human-computer interaction module, that is to say the target frequency of regulation compressor.
Second receiving unit 502 is used for the control information of reception system controller, and control information is used to drive by compressor
Movement controller controls compressor.The control information of frequency regulator reception system controller, the control information directly act on and pressure
Contracting machine drive control device, the work of compressor is directly controlled by driven compressor controller, for example, start/stop of compressor or regulation
Its frequency.
Judging unit 503 is used to judge whether control information includes the information for being used for controlling compressor shutdown.
Transmitting element 504 is used for when control information does not include and is used to control the information of compressor shutdown, by control information
In compressor frequency replace with target frequency and obtain new control information, and send to driven compressor controller, so that pressure
Contracting machine drive control device controls compressor according to new control information.
Transmitting element 504 is additionally operable to when control information includes and is used to control the information of compressor shutdown, by control information
Send to driven compressor controller, compressor shutdown is controlled by driven compressor controller.It is used for when control information does not include
When controlling the information of compressor shutdown, represent that compressor can be run according to normal condition, therefore the target frequency of input can be used
Rate controls compressor operating, by the way that the compressor frequency in control information is substituted for into target frequency in the present embodiment, and sends
To driven compressor controller, run by driven compressor controller control compressor according to target frequency；When comprising for controlling
During the information of compressor shutdown processed, then need to control compressor shutdown to avoid its appearance is abnormal from burning, now, uncontrollable compression
Machine is run according to the target frequency of input, directly driven compressor controller is sent to by control information is intact, by pressing
Contracting machine drive control device controls compressor shutdown according to control information.
According to embodiments of the present invention, in the case where receiving the target frequency of input, believed according to the control of system controller
Cease to determine whether to control compressor to run according to the target frequency, both ensure that can adjust compressor frequency as required,
Also it is avoided that because the control information of system controller is unable to reach driven compressor controller, causes to compress in abnormal cases
The situation that machine burning is ruined.
As an alternative embodiment, the control information of the embodiment of the present invention includes compressor shutdown mark, judge
Unit includes：Determining module, for determining the value of compressor shutdown mark；Wherein, when compressor shutdown is masked as the first value,
Represent that control information includes the information for being used for controlling compressor shutdown；When compressor stopping mark is second value, control is represented
Information does not include the information for being used for controlling compressor shutdown.
Specifically, exist in the control information and be used to indicate whether the flag bit for controlling compressor shutdown, the first value can be with
It is 1, second value can be 0.Frequency controller judged this mark, when this is masked as 0, then will be received in control information
Compressor frequency value replaces with the target frequency of input, and is verified, and is ready for sending and gives driven compressor controller.If this is marked
Will is 1, then the control information received remains untouched, and is sent to driven compressor controller.
As another optional embodiment of the embodiment of the present invention, device also includes：3rd receiving unit, for receiving
The information that driven compressor controller returns；Returning unit, the information for driven compressor controller to be returned are sent to being
System controller.
Specifically, after frequency regulator sends control information to driven compressor controller, driven compressor control
Device processed is carried out after handling and operating accordingly, can return to corresponding information.Frequency regulator sends this information to system control
Device processed, corresponding data analysis and judgement are carried out by system controller, for example, carrying out abnormal judgement or breakdown judge etc..
According to embodiments of the present invention, system control is fed back to by the information for returning to driven compressor controller in time
Device, controlled accordingly by it, to ensure that the normal table of whole system is run.
As further optional embodiment, the device of the embodiment of the present invention also includes：4th receiving unit, for connecing
Receive the limit frequency information or frequency reducing information of system controller；Limiting unit, for according to limit frequency information or frequency reducing information to target frequency
Rate is limited, the target frequency after being limited；Wherein, transmitting element is additionally operable to send the target frequency after limitation to pressure
Contracting machine drive control device.
The limit frequency information or frequency reducing information sent after being analyzed by system controller is limited the target frequency of compressor
System, remains that compressor is run in the state of safety and stability.
It should be noted that for foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement because
According to the present invention, some steps can use other orders or carry out simultaneously.Secondly, those skilled in the art should also know
Know, embodiment described in this description belongs to preferred embodiment, and involved action and module are not necessarily of the invention
It is necessary.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed device, can be by another way
Realize.For example, device embodiment described above is only schematical, such as the division of the unit, it is only one kind
Division of logic function, can there is an other dividing mode when actually realizing, such as multiple units or component can combine or can
To be integrated into another system, or some features can be ignored, or not perform.Another, shown or discussed is mutual
Coupling direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of device or unit,
Can be electrical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (14)
- A kind of 1. compressor frequency adjusting method, it is characterised in that including：Target frequency is received, the target frequency is the frequency inputted according to needs；The control information of reception system controller, the control information are used to control compressor by driven compressor controller；Judge whether the control information includes the information for being used for controlling the compressor shutdown；When the control information, which does not include, is used to control the information of the compressor shutdown, by the compression in the control information Unit frequency replaces with the target frequency and obtains new control information, and sends to the driven compressor controller, so that institute State driven compressor controller and the compressor is controlled according to new control information.
- 2. compressor frequency adjusting method according to claim 1, it is characterised in that the control information includes compressor Mark is shut down, judges whether the control information includes and is used to control the information of the compressor shutdown to include：Determine the value of the compressor shutdown mark；Wherein, when the compressor shutdown is masked as the first value, represent that the control information includes and be used to control the compression The information that machine is shut down；When compressor stopping mark is second value, represents that the control information does not include and be used to control the pressure The information that contracting machine is shut down.
- 3. compressor frequency adjusting method according to claim 1, it is characterised in thatWhen the control information, which includes, is used to control the information of the compressor shutdown, the control information is sent to described Driven compressor controller, the compressor shutdown is controlled by the driven compressor controller.
- 4. compressor frequency adjusting method according to claim 1, it is characterised in that also include：Receive the information that the driven compressor controller returns；The information that the driven compressor controller returns is sent to the system controller.
- 5. compressor frequency adjusting method according to claim 1, it is characterised in that controlled by the driven compressor The information that device returns is sent to the system controller, and the compressor frequency adjusting method also includes：Receive the limit frequency information or frequency reducing information of the system controller；The target frequency is limited according to the limit frequency information or frequency reducing information, the target frequency after being limited；Target frequency after limitation is sent to the driven compressor controller.
- A kind of 6. compressor frequency adjusting means, it is characterised in that including：First receiving unit, for receiving target frequency, the target frequency is the frequency inputted according to needs；Second receiving unit, for the control information of reception system controller, the control information is used to pass through driven compressor Controller controls compressor；Judging unit, for judging whether the control information includes the information for being used for controlling the compressor shutdown；Transmitting element, for when the control information do not include be used for control the compressor shutdown information when, by the control Compressor frequency in information processed replaces with the target frequency and obtains new control information, and sends to the driven compressor Controller, so that the driven compressor controller controls the compressor according to new control information.
- 7. compressor frequency adjusting means according to claim 6, it is characterised in that the control information includes compressor Mark is shut down, the judging unit includes：Determining module, for determining the value of the compressor shutdown mark；Wherein, when the compressor shutdown is masked as the first value, represent that the control information includes and be used to control the compression The information that machine is shut down；When compressor stopping mark is second value, represents that the control information does not include and be used to control the pressure The information that contracting machine is shut down.
- 8. compressor frequency adjusting means according to claim 6, it is characterised in thatThe transmitting element is additionally operable to when the control information includes and is used to control the information of the compressor shutdown, by described in Control information is sent to the driven compressor controller, and the compressor shutdown is controlled by the driven compressor controller.
- 9. compressor frequency adjusting means according to claim 6, it is characterised in that also include：3rd receiving unit, the information returned for receiving the driven compressor controller；Returning unit, the information for the driven compressor controller to be returned are sent to the system controller.
- 10. compressor frequency adjusting means according to claim 6, it is characterised in that also include：4th receiving unit, for receiving the limit frequency information or frequency reducing information of the system controller；Limiting unit, for being limited according to the limit frequency information or frequency reducing information the target frequency, after obtaining limitation Target frequency；Wherein, the transmitting element is additionally operable to send the target frequency after limitation to the driven compressor controller.
- A kind of 11. frequency regulator, it is characterised in that including：First communication interface, is connected with system controller, for being communicated with the system controller；Second communication interface, it is connected with driven compressor controller, for being communicated with the driven compressor controller；Human-computer interaction module, for receiving the target frequency of input；Control unit, it is connected, uses respectively with first communication interface, second communication interface and the human-computer interaction module The information for being used for controlling the compressor shutdown whether is included in the control information for judging to receive from the system controller；When When the control information does not include the information for controlling the compressor shutdown, by the compressor frequency in the control information Replace with the target frequency and obtain new control information, and send to the driven compressor controller, so that the compression Machine drive control device controls the compressor according to new control information.
- 12. frequency regulator according to claim 11, it is characterised in that also include：Display module, it is connected with described control unit, for showing the target frequency of the input.
- 13. frequency regulator according to claim 11, it is characterised in thatDescribed control unit is single-chip microcomputer, and the human-computer interaction module is keyboard.
- A kind of 14. frequency regulating system, it is characterised in that including：Driven compressor controller, for driving compressor control；System controller, for controlling the driven compressor controller；Frequency regulator described in any one of claim 11 to 13, controlled with the driven compressor controller and the system Device communicates connection respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557852.4A CN107514848A (en) | 2017-07-10 | 2017-07-10 | Compressor frequency adjusting method and device and frequency adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557852.4A CN107514848A (en) | 2017-07-10 | 2017-07-10 | Compressor frequency adjusting method and device and frequency adjuster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107514848A true CN107514848A (en) | 2017-12-26 |
Family
ID=60722413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710557852.4A Pending CN107514848A (en) | 2017-07-10 | 2017-07-10 | Compressor frequency adjusting method and device and frequency adjuster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107514848A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611989A (en) * | 2018-12-12 | 2019-04-12 | 广东智科电子股份有限公司 | A kind of temperature of water chiller/heater and press Frequency Synchronization regulating device and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2256940B (en) * | 1991-06-20 | 1994-12-21 | Drayton Controls | Controllers |
| CN201051302Y (en) * | 2006-12-29 | 2008-04-23 | 青岛海信空调有限公司 | Data collection and debugging device for outside enclosure of separated frequency conversion air-conditioner |
| CN201074578Y (en) * | 2007-07-05 | 2008-06-18 | 上海日立电器有限公司 | Drive device for DC frequency conversion compressor |
| CN101226391A (en) * | 2007-08-03 | 2008-07-23 | 北京工业大学 | Intelligent detection system and method of frequency conversion controller for air conditioner |
| CN201477445U (en) * | 2009-08-12 | 2010-05-19 | 宁波奥克斯空调有限公司 | Debugging device of variable-frequency air conditioner |
| CN103364210A (en) * | 2012-04-05 | 2013-10-23 | 珠海格力电器股份有限公司 | Testing system and testing method of variable frequency air conditioning unit |
| CN103914062A (en) * | 2014-03-24 | 2014-07-09 | 珠海格力电器股份有限公司 | Testing device and method for air conditioner controller |
-
2017
- 2017-07-10 CN CN201710557852.4A patent/CN107514848A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2256940B (en) * | 1991-06-20 | 1994-12-21 | Drayton Controls | Controllers |
| CN201051302Y (en) * | 2006-12-29 | 2008-04-23 | 青岛海信空调有限公司 | Data collection and debugging device for outside enclosure of separated frequency conversion air-conditioner |
| CN201074578Y (en) * | 2007-07-05 | 2008-06-18 | 上海日立电器有限公司 | Drive device for DC frequency conversion compressor |
| CN101226391A (en) * | 2007-08-03 | 2008-07-23 | 北京工业大学 | Intelligent detection system and method of frequency conversion controller for air conditioner |
| CN201477445U (en) * | 2009-08-12 | 2010-05-19 | 宁波奥克斯空调有限公司 | Debugging device of variable-frequency air conditioner |
| CN103364210A (en) * | 2012-04-05 | 2013-10-23 | 珠海格力电器股份有限公司 | Testing system and testing method of variable frequency air conditioning unit |
| CN103914062A (en) * | 2014-03-24 | 2014-07-09 | 珠海格力电器股份有限公司 | Testing device and method for air conditioner controller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611989A (en) * | 2018-12-12 | 2019-04-12 | 广东智科电子股份有限公司 | A kind of temperature of water chiller/heater and press Frequency Synchronization regulating device and method |
| CN109611989B (en) * | 2018-12-12 | 2021-02-05 | 广东智科电子股份有限公司 | Device and method for synchronously adjusting temperature of cold and hot water machine and frequency of press |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108134710A (en) | Equipment fault display method and device, storage medium, equipment and server | |
| JP2981776B2 (en) | Method of configuring a module adapted to connect to a programmable logic controller | |
| CN103914062B (en) | Testing device and method for air conditioner controller | |
| CN105509235B (en) | Air conditioning system and air conditioning control method based on same | |
| CN108131777A (en) | Air conditioner detection device | |
| CN107514848A (en) | Compressor frequency adjusting method and device and frequency adjuster | |
| CN108224707A (en) | Communication method and device for indoor unit and outdoor unit of air conditioner and air conditioner | |
| CN108223414A (en) | A kind of blower control method, device, storage medium and air-conditioning | |
| CN105241014B (en) | Air-conditioner control method and device | |
| CN107355944A (en) | Control method and device of air conditioner | |
| CN108758990A (en) | Control system and method for air conditioning equipment, storage medium and processor | |
| CN105320120B (en) | Device and method for simulating start failure of air conditioner compressor | |
| CN111198822B (en) | Device debugging method, device and debugging terminal | |
| CN107642864A (en) | A kind of more air-conditioning sound control method, control device and air-conditioning systems | |
| CN110154345A (en) | A kind of remote debugging method and system applied to injection molding machine driver | |
| CN109916012A (en) | Air conditioner control method and system | |
| CN103895003A (en) | Robot control system | |
| JPS5829576A (en) | Controller for arc welding robot | |
| CN106842980A (en) | A kind of household electric appliance control method and its mobile terminal of screen state of going out | |
| CN106454304A (en) | White balance adjusting method and device | |
| JPH0432905A (en) | Programmer for communication network | |
| CN108800445B (en) | Control system of weighted air conditioner | |
| CN113805566A (en) | Detection method and system for integrated driving assistance system controller | |
| CN106052015A (en) | Air conditioner control method | |
| CN106811858B (en) | Computer flat knitting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171226 |