CN110225612A - Micro-control unit, LED drive unit and products thereof parameter setting system - Google Patents
Micro-control unit, LED drive unit and products thereof parameter setting system Download PDFInfo
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- CN110225612A CN110225612A CN201810175386.8A CN201810175386A CN110225612A CN 110225612 A CN110225612 A CN 110225612A CN 201810175386 A CN201810175386 A CN 201810175386A CN 110225612 A CN110225612 A CN 110225612A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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Abstract
The present invention provides a kind of micro-control unit of LED drive power, internal software is embedded with parameter setting module, and parameter type and target value order that the parameter setting module is received according to the micro-control unit execute the setting or modification of relevant parameter.The data volume of MCU required receiving when executing parameter modification can be greatly decreased in the micro-control unit, facilitate MCU quickly to receive modification from external equipment and order and turn to be executed by inside, technical staff is facilitated to carry out large-scale parameter modification operation.
Description
Technical field
The present invention relates to LED drive power product design fields, more particularly it relates to which one kind can be to parameter
Carry out the LED drive power product of higher efficiency setting.
Background technique
LED drive power is the power adapter that power supply supply is converted to specific voltage and current to drive LED luminous.
The LED drive power of part tunable optical also has light adjusting system, can be realized the light intensity, colour temperature and each photograph of control lighting system
The functions such as the combination between bright unit.According to actual needs and products characteristics, matched LED drive power is designed to shine LED
Energy-efficient performance, functionality, aesthetic measure of bright product etc. all have important role.
In view of importance of the LED drive power in LED illumination System, LED drive power is led to when changing product design
It often needs to carry out type selecting, exploitation, evaluation and the change of software program to circuit.Even if the new product to be designed only is needed to
There is product to carry out the adjustment of the simple softwares programs such as power change, significant level change, frequency change, exploitation, which promotes, still to be needed
Again to pass through above-mentioned process.
In addition, current LED drive power product carries out programing change in the following manner: one is utilize chip producer
The replication tool of offer carries out programming again, which not only needs to rewrite all software programs one time, but also burning line is set
It sets and needs to dismantle power supply in power source internal, burning, complete programming step using the support of external power supply and external computer software.
Whole process is bothersome laborious, is not easy to large-scale application.Another method of programing change be by using ARM kernel band whether there is or not
The chip of line communication function is rewritten, the variation higher cost after establishing wireless communication with chip, adopts for most of
It with the driving power of 8bit, 16bit low and middle-end MCU and is not suitable for, and can also have data outage or crash in renewal process
Risk.
Patent document CN107509278A discloses the setting method and device of a kind of LED power parameter, LED driving electricity
Source judges that the band limits for inputting frequency sets mould to enter by the control set device outside the connection of existing light modulation line
Formula, and then the power parameters such as rated current, voltage rating are set according to the control of external equipment, it completes to LED power
Configuration.However, carrying out parameter setting in the dimming mode using light modulation line rather than direct-connected with micro-control unit, needing complexity
Circuit setting to complete the read-write of micro-control unit in house software.In addition, it is set by inputting the duty ratio of frequency
Method and enter setting mode gimmick it is also complex, be not suitable for LED drive power software extensive rewriting.
Summary of the invention
In view of the drawbacks described above of the prior art, i.e., for current LED drive power when facing software change request, need
It carries out complicated operation and software program is written over, it is difficult to which the problem of large-scale use, present invention firstly provides one
The micro-control unit of kind LED drive power, including parameter setting module, the parameter setting module is according to the micro-control unit
The parameter type received and target value order execute the setting or modification of relevant parameter.
In the present invention, for the change parameter being related to is easy in some development processes, modularly it is embedded into microcontroller
In unit MCU, calling when receiving parameter setting or modification instruction so as to MCU.The technical solution can be greatly decreased MCU and hold
The data volume of row parameter required receiving when modifying facilitates MCU quickly to receive modification from external equipment and orders and turn to be held by inside
Software program is written without comprehensive burning again in row, reduces the time loss of previous software burning or data transmission, convenient
The parameter carried out rapidly and efficiently modifies operation.
In the preferred technical solution of the present invention, parameter setting module includes power setting module, significant level setting mould
Block, duty ratio setup module and/or frequency setting module.When refreshing to product software, the main parameter for considering change
Content may include the power of power supply, the significant level of control, electric ball color duty ratio, white duty ratio, electric ball color frequency, white
The functional parameter of frequency, dimming curve and some additions.By the way that different product parameters setup modules is arranged, may be implemented
The product renewing of abundant content of parameter, while conveniently and efficiently completing the setting and modification of parameter.
In the preferred technical solution of the present invention, parameter setting module be stored in the integrated EROM of micro-control unit,
In EEPROM or flash memory.The storages list such as non-volatile EROM, EEPROM or flash memory is embedded in the integrated circuit of driving power
Member, and parameter setting module is saved into storage unit, it is called when opening power parameter setting mode.
In the preferred technical solution of the present invention, parameter setting module includes decoder and instruction queue caching, decoder
It is connect with instruction queue Cache Communication, decoder can decode parameter type and target value order, be decomposed into multiple parameters
Setting unit is stored in instruction queue caching, and each parameter set unit can individually complete a kind of setting for parameter after being transferred out queue
It sets or modifies.In the optimal technical scheme, parameter setting or modification instruction are arranged as instruction queue in an orderly manner, including are wanted
The parameter type of modification and the target value of type of correspondence parameter, and driving power is sent to according to pre-set agreement
Control unit.This instruction method of combination is advantageous in that: firstly, control unit is after receiving the instruction queue, Ke Yifei
Identify the content to be modified, clearly often convenient for being modified one by one the parameter to be modified；Secondly, transmitted and received number
Data are modified according to only necessary parameter, without by entire program again burning one time, therefore the file size to be transmitted
It will greatly reduce.
The present invention also provides the LED drive powers including micro-control unit.
In the preferred technical solution of the present invention, LED drive power further includes parameter setting interface, and parameter setting interface is
Peripheral Interface, and be electrically connected with the microcontrol unit.Traditional LED drive power carries out parameter modification, and burning using burning line
Line is set to inside driving power, and when burning needs to dismantle power supply, time-consuming and laborious, it is difficult to promote the use of.This optimal technical scheme
In, the parameter setting interface that LED drive power is electrically connected with MCU is led to the Peripheral Interface of LED drive power, user repairs
Change power parameter without dismantling power supply, is directly communicated by interface with MCU, the power parameter number saved in modification MCU memory
According to.It can be greatly simplified and be designed and developed and production procedure using the LED drive power in this programme, and be suitable for substantial amounts
Old money power supply updates upgrading.
In the preferred technical solution of the present invention, LED drive power further includes key, and key is electrically connected with micro-control unit
It connects, for making LED drive power enter parameter setting mode according to the pressing situation of key.In this optimal technical scheme, LED
Driving power enters parameter setting mode by the way of physical button, through pressing triggering, prevents because maloperation causes electricity
Source does not enter setting mode in time, causes destruction to control unit software systems and to the illumination certain journey of infrastructure hardware system
The damage of degree.
In addition, the present invention also provides the product parameters for providing parameter setting for LED drive power product to set system, produce
Product parameter setting system includes LED drive power, wireless interconnected data receiver and data storage/transmitting terminal, data receiver
End is connect with parameter setting interface communication.
In the preferred technical solution of the present invention, data storage/transmitting terminal is RFID card reader.In this optimal technical scheme
In, it can be by the product parameters data recordation of some classification in entity radio-frequency card, and use RFID card reader as storage/hair
Sending end is sent to the decoder module of driving power after reading the data in radio-frequency card, to realize the letter in a radio-frequency card
Cease a kind of product type of corresponding driving power, can by directly replacing radio-frequency card, with the product type to be changed,
It is simple and convenient and be not easy to obscure.
In the preferred technical solution of the present invention, data receiver is had with parameter setting interface using UART, SPI or I2C
Line connection.Efficiency of transmission can be improved in parameter setting interface and data receiver wired connection, reduces in internal program updating mistake
Occurs the risk of data-transmission interruptions or crash in journey.In addition, the setting system in this optimal technical scheme is in identification product IDs
Shi Wuxu identifies internal circuit by outer connecting resistance, and can be realized by directly reading the low and high level signal of interface for producing
The judgement of category type.
In the preferred technical solution of the present invention, each data receiver and the parameter setting of multiple LED drive powers are connect
Mouth electrical connection.Interface is arranged in every data receiver connection multiple parameters, can be using individually decoding by this setting method
Module is configured more driving powers simultaneously, enormously simplifies the complexity of system and device, improves driving power ginseng
The efficiency that number updates.
Micro-control unit design in the present invention mainly utilizes the flexibility of software development, in a program implantation setting mould
Set information is transferred to inside MCU by block by outside by spare interface, and product parameters are reset after being parsed and are protected
It deposits.The product design is particularly suitable for batch yield production type product, i.e., on the basis of existing sizing power supply, by simply refreshing
Portion's program parameter can become another money product, facilitate new product designs to quickly propel market, be active for market competition,
A large amount of exploitations, evaluation, optimization and production hour are saved simultaneously, reduce cost.
Detailed description of the invention
Fig. 1 is the circuit framework schematic diagram of the LED drive power in one embodiment of the invention；
Fig. 2 is the flow diagram for entering setting mode in Fig. 1 embodiment by button；
Fig. 3 is the composition schematic diagram of parameter setting system in Fig. 1 embodiment；
Fig. 4 is the user interface map of computer software in Fig. 1 embodiment；
Fig. 5 is the flow diagram that MCU executes parameter modification in Fig. 1 embodiment；
Fig. 6 is the flow diagram that parameter modification is completed by powering on again；
Fig. 7 is the structural schematic diagram of parameter setting system in another embodiment of the present invention；
Fig. 8 is the structural schematic diagram of decoder module in Fig. 7 embodiment.
Specific embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining technical principle of the invention, it is not intended that limit the scope of the invention.This field skill
Art personnel, which can according to need, adjusts it, to adapt to specific application.
It should be noted that in the description of the preferred embodiment of the present invention, term " on ", "lower", "left", "right",
The direction of the instructions such as "front", "rear", "vertical", "horizontal", "inner", "outside" or the term of positional relationship are based on the figure
Direction or positional relationship, this is intended merely to facilitate description, rather than indication or suggestion described device or component part must have
There is specific orientation, be constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Embodiment 1
As described in the background art, the software systems in existing LED drive power MCU do not contain and can join to power supply
The standalone module that number is configured, therefore need to rewrite software systems burning when carrying out parameter modification.The process is time-consuming to take
Power is unfavorable for the extensive parameter modification for old product.
Therefore a kind of LED drive power is provided in the present embodiment, it is pre- in the LED drive power micro-control unit MCU
There is parameter setting module, which preserves the order of required execution when being configured for each power parameter
Information, the information above such as the address of collection and target component are stored in non-volatile EEPROM memory cell.MCU and storage are single
When needing to carry out parameter setting the parameter setting module in simultaneously load store unit can be read, since parameter is repaired in member electrical connection
The instruction and data changed is already saved in storage unit, at this point, MCU needs to repair required for being only from external received data
The parameter type and target value changed.This will greatly reduce MCU and connects the data volume to be obtained with PERCOM peripheral communication, and then reduce
The time loss of data transmission step during software change facilitates technical staff to carry out efficiently quickly parameter modification operation.
It should be noted that, although the parameter setting module of the LED drive power is stored in EEPROM in the present embodiment
In storage unit, but technical staff can select suitable nonvolatile memory according to the actual situation, carry out to module data
Save, the above nonvolatile memory include but is not limited to PCRAM, MRAM, RRAM, FeRAM, EROM, PROM, EPROM,
EEPROM, flash memory etc..
In addition, the settable design parameter type that the parameter setting module is included includes but is not limited to: power supply function
Between rate, the significant level of control, electric ball color duty ratio, electric ball color frequency, white duty ratio, white frequency, different dimming curves
Selection, 1-2sw function, delay disappear lamp function, buzzer control function, curve correcting function etc..Wherein 1-2sw function is root
It carries out stopping power-off judgement, the variation for portable lighter optical mode of going forward side by side according to the signal that power detecting unit exports.Delay disappears lamp function to work as
Using remote controler OFF key close light when, can be delayed a period of time carry out the lamp that disappears again, the function be mainly disposed at it is some specifically
In the lamps and lanterns of point, such as parlor or the position of entry, to facilitate user to have certain time activity or leave.Buzzer function is according to electricity
Whether the reserved modular circuit in road is installed, and the realization of software kit is carried out, and can be used for realizing in some natural wake-up light tools
Buzzer function.
In addition, the present embodiment additionally provide it is a kind of for external equipment that institute's parameter type to be changed and target value is defeated
Enter the coded format of MCU.Coded format provided in this embodiment includes:
For example, when needing to set product ID number as C050100215, if product ID number is the first of functional category
Class, then its function indicate code be 55 01 01 C0 50 10 02 15 86 80 of AA, wherein initial code be AA 55, first
01 indicates to change a parameter values, and second 01 indicates that the parameter to be modified is the parameter of the functional category first kind, it
C0 50 10 02 15 afterwards indicates the target data to be modified, and 86 80 be data packet check code.It can be seen by above example
Out, the data volume transmitted between external and MCU can be greatly reduced using the LED drive unit in the present embodiment, facilitate technology
Personnel carry out product parameters modification rapidly and efficiently.
It should be noted that, although being encoded using aforesaid way for data in the present embodiment, but technical staff is also
It can be encoded according to the actual situation using data of the algorithms of different for modification parameter type and target value, as long as right
The MCU product answered or the decoder additionally configured can identify the coding.
Embodiment 2
It present embodiments provides a kind of LED drive power with 16bit MCU and the LED drive power is joined
The system of number setting.The LED drive power is using the MCU and storage unit with parameter setting module in embodiment 1, coding
Mode is also same as Example 1, and the present embodiment highlights other modules of the LED drive power and how hardware system cooperates
Above-mentioned parameter setup module realizes technical effect of the invention.
Fig. 1 is the circuit framework figure of LED drive power in the present embodiment, as shown, AC-DC unit is examined with power supply respectively
Unit, IPD unit and driving unit electrical connection are surveyed, for voltage or electric current needed for alternating current is converted to each functional unit,
For each unit power supply.Wherein, IPD unit is intelligent power component, to improve power consumption efficiency and reduce noise, power detecting
Unit will be sent to control unit and carry out stopping power-off judgement, driving unit for detecting power supply connection state after AC signal shaping
For providing driving power for LED lamp.
It should be noted that, although the LED drive power uses circuit framework as shown in Figure 1 in the present embodiment,
But component unrelated with present subject matter in this circuit framework can be omitted or substituted, these technologies after being omitted or substituted
Scheme is considered as falling under the scope of the present invention.
Control unit MCU is single with storage unit, decoding interface unit, push-button unit, buzzer unit and driving simultaneously
Member electrical connection.Wherein it is possible on circuit boards by storage unit design, it can also be directly using the MCU for being integrated with storage unit.
The foundation of MCU and external communication channel relies primarily on the decoding interface unit with MCU communication connection, the decoding interface
Unit includes the Peripheral Interface and decoder of LED drive power.Since interface peripherals can be straight when executing parameter modification operation
Patch cord transmits data and the time and efforts of technical staff is greatly saved without dismantling power supply.
It should be noted that, although decoder is mounted in or belongs to decoding interface unit, but skill in the present embodiment
Art personnel can be solved using the data that the decoder module of MCU itself is transmitted to MCU to Peripheral Interface according to the actual situation
Code, under the premise of without departing from the principle of the present invention, the change of selection or installation site for the decoder type is each fallen within
Within protection scope of the present invention.
LED drive power in the present embodiment further includes push-button unit, and power supply is enable to touch by way of physical button
Hair enters setting mode.The push-button unit includes the button being arranged under power supply external shell through-hole, and technical staff can pass through
Particular appliance is pressed into the button.When driving power powers on, MCU detects the level of button pin, judges the press condition of button,
If such as persistently detect button after powering on and be pressed up to 3 seconds or more, enter setting mode, and change by light flash and mention
Show operator.When leaving setting mode, light variation should restore original setting, in this way after entering setting, setting successfully
It can be visually observed that the variation of light, facilitate the variation of operator's affirmation mode.Enter the tool of setting mode by button
Body process is as shown in Figure 2.
Driving power in the present embodiment is also integrated with buzzer unit.It on the one hand, can when key enters setting mode
To prompt using buzzer unit operator, operator is further prevented to damage driving power software and hardware system because of maloperation
System；On the other hand, buzzer unit, which is added, can permit the drive that driving power is adjusted to natural wake-up light tool according to the actual situation
Dynamic power supply, cooperation buzzer unit carry out wake operation to user.
The present embodiment additionally provides the setting system that parameter modification is executed to above-mentioned LED drive power, which forms such as
Shown in Fig. 3, including for for the operator's parameter type to be set of input and target value computer, with computer company
Data sending terminal that is connecing or being under the jurisdiction of computer, the data receiver and driving power for receiving computer data.Wherein, it counts
Be preinstalled with upper computer software in calculation machine, have the function of user interface for the operator's parameter to be configured of input and, later, calculating
It is combined into one group of data according to the data format that inside defines automatically and is transmitted to data sending terminal by machine software；Data sending terminal
It establishes and is wirelessly connected with data receiver, MCU data being completely transmitted in driving power；Data receiver and driving electricity
The communication connection in source uses UART wired connection, reduces in internal processes refresh process and the wind of data-transmission interruptions or crash occurs
Danger.
It should be noted that, although computer uses conventional computer system in the present embodiment, but technical staff can be with
Other kinds of computer system is selected according to actual needs, such as embedded controller, laptop computer, server, movement
Device, smart phone, set-top box, PDA, information kiosk, inter-vehicle information system and the associated one or more processors of TV are determined
Machine processed, any other hardware platform or any combination thereof.
In the present embodiment, the user interface of the setting software of computer system installation is as shown in figure 4, utilize user circle
Face intuitively can show the parameter and function that can be adjusted to operator, select and set for operator.In addition, software is also
Automatically data can be arranged by rule predetermined, directly reads and parses for driving power.According to number in embodiment 1
According to coding mode, it is insufficient for parameter code to be supplemented with 0X00, this function is indicated with 0X01, is finally obtained such as institute in Fig. 4
State the Function Identification code of setup parameter are as follows: AA 550601 C0 50 10 02 15 02 64 64 00 000003 01 F4
01 F4 00 04 01 00 00000005 03 00 00000006 01 0101 00 008680。
As shown in figure 5, data receiver will after the button at pressing driving power shell makes MCU enter setting mode
Its received data is transmitted to the decoding interface unit of driving power, and decoding interface unit utilizes decoder by resolve packet
It is resolved into different function command deposit queue cachings afterwards, then dequeue and calls the parameter prestored in storage unit one by one
Setting module is updated parameter；Meanwhile writing data into storage unit and saving, calling when being powered on so as to next time；It repeats
The above operation, until the instruction packet whole after treatment in instruction buffer, software reset, light flash prompts operator.It
Afterwards, as shown in fig. 6, when powering on next time, the data in storage unit are read, synchronized update supplemental characteristic is completed for parameter
Modification, and carry out normal workflow.
Embodiment 3
Present embodiments provide a kind of parameter setting system of LED drive power, the parameter setting system and embodiment 2
The setting system different from of middle offer, the main distinction are: as shown in fig. 7, in the present embodiment parameter setting system data
Transmitting terminal is RFID card reader, and receiving end is then decoder module, and decoder module can receive wireless signal, it is carried out parsing and
Amplification；In addition, decoder module also has multiple ports, can be communicated to connect simultaneously with multiple driving powers.
Parameter setting system in the present embodiment is joined using the combination storage and transmission product of radio-frequency card and RFID card reader
Number data, technical staff can store a kind of product parameters with stand-alone product ID in every radio-frequency card.To a batch
The product parameters of driving power change, and need to only find the radio-frequency card of targeted species product, after being read using RFID card reader,
It sends data to decoder module to be read out, intuitive and convenient is not easy to obscure for the technician.
As shown in figure 8, the present embodiment additionally provides the structural schematic diagram of decoder module, a pair is being carried out using decoder module
When majority is according to updating, need to amplify limited signal strength, to increase the driving capability of decoder module, usually,
The driving current consumed required for one equipment to be updated is 2-5ma, therefore, to company, signal amplification module institute in the present embodiment
The chip connect carries out parallel processing, improves the driving capability of decoder module, keeps single decoder module greater number of with carrying
Driving power.
It should be noted that, although using RFID card reader and/or wireless signal transmitter as number in above embodiments
According to transmitting terminal, but technical staff can according to the actual situation, and the communication device of data, institute can be stored or send by using other instead
Stating communication device includes but is not limited to Homeplug, bluetooth equipment, telephone wire, mobile network, optic network, cable network etc..
So far, it has been combined attached drawing and describes technical solution of the present invention, still, skilled addressee readily understands that
It is that protection scope of the present invention is expressly not limited to these specific embodiments.Under the premise of without departing from the principle of the present invention,
Those skilled in the art can make equivalent change or replacement to the relevant technologies feature, the technology after these changes or replacement
Scheme will fall within the scope of protection of the present invention.
Claims (11)
1. a kind of micro-control unit of LED drive power, which is characterized in that including parameter setting module, the parameter setting mould
Parameter type and target value order that root tuber is received according to the micro-control unit execute the setting or modification of relevant parameter.
2. micro-control unit as described in claim 1, which is characterized in that the parameter setting module includes power setting mould
Block, significant level setup module, duty ratio setup module and/or frequency setting module.
3. micro-control unit as described in claim 1, which is characterized in that the parameter setting module is stored in the microcontroller
In unit integrated EROM, EEPROM or flash memory.
4. micro-control unit as described in claim 1, which is characterized in that the parameter setting module includes decoder and instruction
Queue caching, the decoder connect with described instruction queue Cache Communication, the decoder can to the parameter type with
Target value order decoding is decomposed into multiple parameters setting unit deposit described instruction queue caching, each parameter setting
The setting or modification of a kind of parameter can be individually completed after unit dequeue.
5. a kind of LED drive power, which is characterized in that including micro-control unit according to any one of claims 1-4.
6. LED drive power as claimed in claim 5, which is characterized in that further include parameter setting interface, the parameter setting
Interface is Peripheral Interface, and is electrically connected with the micro-control unit.
7. such as LED drive power described in claim 5 or 6, which is characterized in that further include key, the key with it is described micro-
Control unit electrical connection, for making the LED drive power enter parameter setting mode according to the pressing situation of the key.
8. a kind of LED drive power product parameters set system, which is characterized in that driven including LED as claimed in claim 6
Power supply, wireless interconnected data receiver and data storage/transmitting terminal, the data receiver and the parameter setting interface are logical
News connection.
9. LED drive power product parameters as claimed in claim 8 set system, which is characterized in that the data storage/hair
Sending end is RF I D card reader.
10. LED drive power product parameters as claimed in claim 8 set system, which is characterized in that the data receiver
UART, SP I or I 2C wired connection are used with the parameter setting interface.
11. LED drive power product parameters as claimed in claim 8 set system, which is characterized in that each data connect
Receiving end is connect with the parameter setting interface communication of multiple LED drive powers.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810175386.8A CN110225612A (en) | 2018-03-02 | 2018-03-02 | Micro-control unit, LED drive unit and products thereof parameter setting system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810175386.8A CN110225612A (en) | 2018-03-02 | 2018-03-02 | Micro-control unit, LED drive unit and products thereof parameter setting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110489439A (en) * | 2019-09-12 | 2019-11-22 | 宁波三星医疗电气股份有限公司 | A kind of parameter processing method and electric power terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110489439A (en) * | 2019-09-12 | 2019-11-22 | 宁波三星医疗电气股份有限公司 | A kind of parameter processing method and electric power terminal |
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Application publication date: 20190910 |