CN103901798B - Frequency converter and its frequency conversion parameter information collocation method - Google Patents
Frequency converter and its frequency conversion parameter information collocation method Download PDFInfo
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- CN103901798B CN103901798B CN201410112190.6A CN201410112190A CN103901798B CN 103901798 B CN103901798 B CN 103901798B CN 201410112190 A CN201410112190 A CN 201410112190A CN 103901798 B CN103901798 B CN 103901798B
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Abstract
The present invention discloses a kind of frequency converter, including major loop and control panel, the major loop is used for the driving voltage for receiving common frequency power network input and output driving motor, the control panel is used to export frequency conversion parameter information to major loop, also include located at major loop institute piece on circuit boards storage chip outside, described outer storage chip is used for the model information for storing the major loop and communicated to connect with the control panel, the control panel is additionally operable in frequency converter electrifying startup with storing chip communication outside described, read the model information and the frequency conversion parameter of major loop is configured according to the model information.A kind of collocation method of the frequency conversion parameter information of frequency converter is also disclosed.Above-mentioned frequency converter and method automatically can configure the corresponding frequency conversion parameter of major loop according to the model information of storage chip outside piece, eliminate the tedious steps manually set.
Description
Technical field
The present invention relates to converter technology field, more particularly to a kind of frequency converter and a kind of frequency conversion parameter information configuration side
Method.
Background technology
In frequency converter field, general frequency converter is made up of major loop and control panel, correspondence frequency converter different capacity grade, main
Loop hardware difference, but control panel is without changing, i.e., the control panel of the frequency converter of one serial different capacity grade is phase
With.
In order to be coordinated between control panel and different major loops, frequency converter typically has specific one functional parameter
The different capacity grade of major loop is set.The shortcoming of this way is, it is necessary to be manually set when user needs to change control panel
Parameter is matched from different major loops, once parameter setting mistake, can cause frequency converter operation exception.
Further, since major loop and control panel individually complete, therefore also there is different clients exchange control panel
With the situation of major loop, once there is such case, the user that can cause regional or dealer can in the presence of what is exchanged goods
Can, and then there is the possibility of bad competition.
The content of the invention
Based on this, it is necessary to provide a kind of when changing control panel or major loop, can automatic configuration parameter frequency converter.
A kind of frequency converter, including major loop and control panel, the major loop input for receiving common frequency power network and export drive
The driving voltage of dynamic motor, the control panel is used to export frequency conversion parameter information to major loop, in addition to located at the major loop
The outer storage chip of piece on circuit boards, described outer storage chip for store the major loop model information and with institute
Control panel communication connection is stated, the control panel is additionally operable in frequency converter electrifying startup with storing chip communication outside described, read
Take the model information and the frequency conversion parameter of major loop is configured according to the model information.
In one of the embodiments, described outer storage chip is used to store identity code, the piece of the control panel
Memory storage chip also stores the identity code.
In one of the embodiments, the master chip of the control panel is described to open by I2C connection switching selectors
Close selector and connect described outer storage chip and piece memory storage chip respectively.
In one of the embodiments, described outer storage chip and piece memory storage chip uses E2PROM.
In one of the embodiments, the control panel is additionally operable to set and performs replacing pattern, the replacing pattern bag
Including allows replacing pattern and refusal replacing pattern：
When the frequency converter is arranged to allow replacing pattern, no matter outside the identity code and piece of piece memory storage chip
Whether the identity code of storage chip is consistent, and major loop normally receives the frequency conversion parameter information of control panel and run；
When the frequency converter is arranged to refusal replacing pattern, if the identity code and piece external memory of piece memory storage chip
The identity code for storing up chip is inconsistent, then control panel no longer sends frequency conversion parameter information to major loop.
In one of the embodiments, the control panel is additionally operable to carry out control of authority to the process for setting replacing pattern.
In one of the embodiments, described outer storage chip is additionally operable to the fault message of backup storage control panel.
A kind of frequency conversion parameter information collocation method of frequency converter, based on frequency converter as described above, comprises the following steps：
Control panel storage chip outside piece reads the model information of major loop；
Control panel automatically configures the frequency conversion parameter of major loop according to the model information.
In one of the embodiments, in addition to：
Control panel storage chip outside piece reads the identity code of major loop；
Control panel reads the identity code of control panel from piece memory storage chip；
The identity code of the control panel major loop and the identity code of control panel, if inconsistent, no longer
Frequency conversion parameter information is sent to major loop.
In one of the embodiments, in addition to set and perform replacing pattern the step of, the replacing pattern include permit
Perhaps pattern and refusal replacing pattern are changed：
When the frequency converter is arranged to allow replacing pattern, no matter outside the identity code and piece of piece memory storage chip
Whether the identity code of storage chip is consistent, and main circuit normally receives the frequency conversion parameter information of control panel and run；
When the frequency converter is arranged to refusal replacing pattern, if the identity code and piece external memory of piece memory storage chip
The identity code for storing up chip is inconsistent, then control panel no longer sends frequency conversion parameter information to main circuit.
The frequency converter and its frequency conversion parameter information collocation method of above-described embodiment, by increasing on circuit boards in major loop
If the outer storage chip of piece, and the model information of major loop is stored wherein.When control panel needs drive control major loop, directly
The model information of the major loop wherein stored is read from storage chip outside piece, it is possible to automatically configured according to the model information
It is the corresponding frequency conversion parameter of major loop.Control panel is being changed for major loop, or when changing major loop for control panel, is eliminating people
The tedious steps that work is set.
By further storing identity code in the piece memory storage chip of storage chip and control panel outside piece, it can tie up
Determine the corresponding relation of major loop and control panel, judge the uniformity of identity code to control Renewal process, prevent arbitrarily change
The corresponding relation of major loop and control panel.
Brief description of the drawings
Fig. 1 is the frequency changer sketch of an embodiment；
Fig. 2 realizes the structural representation communicated with two storage chips for the master chip of the control panel of an embodiment；
Fig. 3 is the frequency conversion parameter information collocation method flow chart of the frequency converter of an embodiment.
Embodiment
As shown in figure 1, being the frequency changer sketch of an embodiment.The frequency converter includes major loop 100, control panel 200
With storage chip 300 outside piece.Wherein major loop 100 is used to receive common frequency power network input（RST）And the driving of output driving motor
Voltage（UVW）.Control panel 200 exports frequency conversion parameter information to major loop 100.The outer storage chip 300 of piece is located at the institute of major loop 100
On circuit boards.The outer storage chip 300 of piece is used to store the model information of major loop 100 and communicated to connect with control panel 200, controls
Making sheet 200 communicates in frequency converter electrifying startup with storage chip outside piece 300, reads the model information and according to the type
The frequency conversion parameter information of information configuration major loop 100.The frequency conversion parameter information is mainly used in setting the work(of different major loops 100
Rate grade.
The frequency converter of above-described embodiment, by setting up storage chip 300 outside piece on circuit boards in major loop 100, and
The model information of major loop 100 is stored wherein.When control panel 200 needs drive control major loop 100, directly from piece external memory
The model information of the major loop 100 wherein stored is read in storage chip 300, it is possible to be according to model information configuration automatically
The corresponding frequency conversion parameter of major loop 100.Control panel 200 is being changed for major loop 100, or major loop is changed for control panel 200
When 100, the tedious steps manually set are eliminated.
Further, the outer storage chip 300 of piece is additionally operable to store identity code, the piece memory storage chip of control panel 200
210 also store the identity code.After the manufacture of major loop 100 is finished, a unique identity code, the identity can be generated
Identification code is stored to inside the fixing address of storage chip outside piece 300 by computer upper computer software.It is simultaneously upper by computer
The model information of major loop 100 is written to outside piece inside the fixing address of storage chip 300 by machine software.
Identity code is used for determining the corresponding relation of control panel 200 and major loop 100.Usually, if control panel 200
A series is not belonging to major loop 100, and collocation is together using can cause the operation irregularity of frequency converter.If major loop 100
Identity code and control panel 200 identity code it is inconsistent, then show that the two is not belonging to a series, by differentiating body
Corresponding treatment measures can be taken after the uniformity of part identification code.Concrete measure includes：It is continuing with the control master of control panel 200
Loop 100, or make the uncontrollable major loop 100 of control panel 200.
In the present embodiment, control panel 200 is additionally operable to set and performs replacing pattern, and the replacing pattern includes allowing to change
Pattern and refusal replacing pattern.
When frequency converter is arranged to allow replacing pattern, no matter outside the identity code and piece of piece memory storage chip 210
Whether the identity code of storage chip 300 is consistent, and major loop 100 normally receives the frequency conversion parameter information of control panel 200 and transported
OK.It is to change the major loop 100 or control panel 200 of homologous series for convenience to set this pattern.
When frequency converter is arranged to refusal replacing pattern, if the identity code and piece external memory of piece memory storage chip 210
The identity code for storing up chip 300 is inconsistent, then control panel 200 no longer sends frequency conversion parameter information to major loop 100.This is set
The pattern of kind can prevent the corresponding relation of arbitrarily change major loop 100 and control panel 200.
Further, control panel 200 is additionally operable to carry out control of authority to the process for setting replacing pattern.For example, setting
Password authentification authority is needed during replacing pattern.In the present embodiment, the password does not use fixed value, it is to avoid the value is once revealed, can
The possibility exchanged goods between the different customers can be deposited.The present embodiment use password be based on frequency converter number of run, run time,
Three variables of identity code of control panel 200 are automatically generated according to default algorithm.When user needs to change password, Yong Huxu
The identity code of number of run, run time, master control veneer is provided to producer related personnel, user provides according to producer
Password carries out corresponding operating.
In one embodiment, as shown in Fig. 2 the master chip 220 of control panel 200 switchs selection by I2C connections
Device 230, the outer storage chip 300 of the difference connection sheet of switching selector 230 and piece memory storage chip 210.
The outer storage chip 300 of piece and piece memory storage chip 210 use E2PROM.Further, in order to utilize control panel
The method that I2C connections on hardware resource on 200, control panel 200 use time-sharing multiplex, passes through a switching selector
230, when to be communicated with the piece memory storage chip 210 of control panel 200 itself, the automatic connection sheet memory storage of switching selector 230
Chip 210, simultaneously turns off the connection with storage chip outside piece 300.When to be communicated with storage chip outside piece 300, switch selection
The outer storage chip 300 of the automatic connection sheet of device 230, simultaneously turns off the connection with piece memory storage chip 210.
Further, the outer storage chip 300 of piece is additionally operable to the fault message of backup storage control panel 200.When control panel 200
Operation is once break down, and on the one hand these fault messages can be stored in the piece memory storage chip 210 on control panel 200, together
When can also store outside piece in storage chip 300, play the effect of backup black box.
As shown in figure 3, the frequency conversion parameter information collocation method flow chart of the frequency converter for an embodiment.This method is based on upper
The frequency converter of embodiment is stated, is comprised the following steps.
Step S101：Control panel storage chip outside piece reads the model information of major loop.
Step S102：Control panel automatically configures the frequency conversion parameter of major loop according to the model information.
When control panel 200 needs drive control major loop 100, read and wherein deposited in storage chip 300 directly outside piece
The model information of the major loop 100 of storage, it is possible to be automatically the corresponding frequency conversion of major loop 100 ginseng according to model information configuration
Number.Control panel 200 is being changed for major loop 100, or when changing major loop 100 for control panel 200, is eliminating what is manually set
Tedious steps.
Further, the outer storage chip 300 of piece is additionally operable to store identity code, the piece memory storage chip of control panel 200
210 also store the identity code.The above method is further comprising the steps of.
Step S103：Control panel storage chip outside piece reads the identity code of major loop.
Step S104：Control panel reads the identity code of control panel from piece memory storage chip.Wherein step S103 and step
Rapid S104 is in no particular order.
Step S105：The identity code of the control panel major loop and the identity code of control panel, if differing
Cause, then no longer send frequency conversion parameter information to major loop, i.e., no longer control major loop.
Further, before step S105, in addition to step S106：Set and perform replacing pattern.It is described more to change the mold
Formula includes allowing replacing pattern and refusal replacing pattern：
When the frequency converter is arranged to allow replacing pattern, no matter outside the identity code and piece of piece memory storage chip
Whether the identity code of storage chip is consistent, and main circuit normally receives the frequency conversion parameter information of control panel and run.This is set
The pattern of kind is to change the major loop 100 or control panel 200 of homologous series for convenience.
When the frequency converter is arranged to refusal replacing pattern, if the identity code and piece external memory of piece memory storage chip
The identity code for storing up chip is inconsistent, then control panel no longer sends frequency conversion parameter information to main circuit.Set this pattern can
To prevent the corresponding relation of arbitrarily change major loop 100 and control panel 200.
That is, step S105 will optionally be performed according to residing replacing pattern.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (5)
1. a kind of frequency converter, including major loop and control panel, the major loop are used to receive common frequency power network input and output driving
The driving voltage of motor, the control panel is used to export frequency conversion parameter information to major loop, it is characterised in that also including located at institute
State major loop the outer storage chip of piece on circuit boards, the type that described outer storage chip is used to store the major loop believes
Cease and communicated to connect with the control panel, the control panel is additionally operable in frequency converter electrifying startup and described outer storage chip
Communication, reads the model information and the frequency conversion parameter of major loop is configured according to the model information；The frequency conversion parameter information
Power grade for setting different major loops；
Described outer storage chip is used to store identity code, and the piece memory storage chip of the control panel also stores the identity
Identification code；
The control panel is additionally operable to set and performs replacing pattern, and the replacing pattern includes allowing replacing pattern and refusal to change
Pattern：When the frequency converter is arranged to allow replacing pattern, no matter the identity code and piece external memory of piece memory storage chip
Whether the identity code for storing up chip is consistent, and major loop normally receives the frequency conversion parameter information of control panel and run；Become when described
When frequency device is arranged to refusal replacing pattern, if the identification of the outer storage chip of the identity code and piece of piece memory storage chip
Code is inconsistent, then control panel no longer sends frequency conversion parameter information to major loop；
The control panel is additionally operable to carry out control of authority to the process for setting replacing pattern, and password is needed when setting replacing pattern
Verifying authorization；The password be based on frequency converter number of run, run time, control panel three variables of identity code according to
Default algorithm is automatically generated.
2. frequency converter according to claim 1, it is characterised in that the master chip of the control panel passes through I2C connections
Switching selector, the switching selector connects described outer storage chip and piece memory storage chip respectively.
3. frequency converter according to claim 2, it is characterised in that described outer storage chip and piece memory storage chip is adopted
Use E2PROM.
4. frequency converter according to claim 1, it is characterised in that described outer storage chip is additionally operable to backup storage control
The fault message of plate.
5. a kind of frequency conversion parameter information collocation method of frequency converter, based on frequency converter as claimed in claim 1, including following step
Suddenly：
Control panel storage chip outside piece reads the model information of major loop；
Control panel automatically configures the frequency conversion parameter of major loop according to the model information；
Also include：Control panel storage chip outside piece reads the identity code of major loop；
Control panel reads the identity code of control panel from piece memory storage chip；
The identity code of the control panel major loop and the identity code of control panel, if inconsistent, no longer to master
Loop sends frequency conversion parameter information；
The step of also including setting and performing replacing pattern, the replacing pattern includes allowing replacing pattern and refusal more to change the mold
Formula：
When the frequency converter is arranged to allow replacing pattern, no matter being stored outside the identity code and piece of piece memory storage chip
Whether the identity code of chip is consistent, and main circuit normally receives the frequency conversion parameter information of control panel and run；
When the frequency converter is arranged to refusal replacing pattern, if storing core outside the identity code and piece of piece memory storage chip
The identity code of piece is inconsistent, then control panel no longer sends frequency conversion parameter information to main circuit；
Also include：Control of authority is carried out to the process for setting replacing pattern, password authentification authority is needed when setting replacing pattern；
The password is that three variables of identity code based on frequency converter number of run, run time, control panel are calculated according to default
Method is automatically generated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410112190.6A CN103901798B (en) | 2014-03-24 | 2014-03-24 | Frequency converter and its frequency conversion parameter information collocation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410112190.6A CN103901798B (en) | 2014-03-24 | 2014-03-24 | Frequency converter and its frequency conversion parameter information collocation method |
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| CN103901798B true CN103901798B (en) | 2017-08-01 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104678875B (en) * | 2015-01-23 | 2019-04-16 | 深圳市禾望电气股份有限公司 | A kind of frequency converter configuration method and frequency converter configure system |
| CN104881597B (en) * | 2015-04-27 | 2018-09-25 | 深圳市海浦蒙特科技有限公司 | Frequency converter and its user password encryption method |
| CN108639881B (en) * | 2018-05-11 | 2020-12-04 | 日立楼宇技术（广州）有限公司 | Control method and device for elevator brake, equipment and storage medium |
| CN109450322A (en) * | 2018-11-07 | 2019-03-08 | 广州极飞科技有限公司 | Electron speed regulator and method, unmanned vehicle and the storage medium for configuring it |
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| EP1926206A1 (en) * | 2006-11-14 | 2008-05-28 | ABB Oy | Frequency converter |
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| CN201594788U (en) * | 2009-12-20 | 2010-09-29 | 哈尔滨工业大学（威海） | Frequency converter operating panel with parameter storage and Chinese character display functions |
| CN102323806A (en) * | 2011-07-08 | 2012-01-18 | 中冶南方（武汉）自动化有限公司 | Inverter monitoring platform and monitoring method thereof |
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