CN108116343A - Functional unit integrates cooling system and method in mobile unit - Google Patents
Functional unit integrates cooling system and method in mobile unit Download PDFInfo
- Publication number
- CN108116343A CN108116343A CN201611075398.0A CN201611075398A CN108116343A CN 108116343 A CN108116343 A CN 108116343A CN 201611075398 A CN201611075398 A CN 201611075398A CN 108116343 A CN108116343 A CN 108116343A
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- Prior art keywords
- real time
- unit
- main control
- heating device
- control unit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
- G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
- G05D23/1931—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of one space
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The embodiment of the present invention provides functional unit in a kind of mobile unit and integrates cooling system and method, the mobile unit includes multiple functional units, multiple functional units include a main control unit and multiple auxiliary units, main control unit and auxiliary unit are to determine that main control unit is connected with each auxiliary unit according to the corresponding predetermined power of each functional unit；Main control unit and auxiliary unit obtain respective real time information, and real time information and identification information are sent to main control unit by auxiliary unit；Main control unit sends the control instruction corresponding with identification information according to real time information；Main control unit and auxiliary unit receive corresponding control instruction, and adjust real time power consumption and rotation speed of the fan.System and method provided in an embodiment of the present invention can reach the reasonable distribution of each functional unit power consumption during the work time.
Description
Technical field
The present invention relates to functional units in intelligent automobile technical field more particularly to a kind of mobile unit to integrate cooling system
And method.
Background technology
With the development of science and technology, automobile all develops towards more intelligent direction at present, intelligent vehicle needs to configure more
The mobile unit of function can realize intelligent control of the automobile in many aspects by mobile unit.Such as in-car air quality
Detection and purification, the monitoring of vehicle external environment, interior music etc..
For mobile unit during many-sided control is realized, each functional unit can generate substantial amounts of power consumption.Power consumption is excessive
Certain damage can be caused to functional unit.Therefore, the real time power consumption of Reasonable Regulation And Control functional unit is of great significance.
During the embodiment of the present invention is realized, inventor has found：Current each functional unit is alone to affiliated
Heating device and radiator are controlled, to achieve the purpose that adjust real time power consumption.But due to each functional unit position phase
Closely, cause some functional units heat dissipation heat extraction it is larger (such as radiating fan rotation speed is big), some functional units heat dissipation heat extraction it is smaller
When, heat dissipation and heat extraction between functional unit can be generated and influenced each other, and the most reasonable effect of heat dissipation heat extraction is not achieved.
The content of the invention
The embodiment of the present invention provides functional unit in a kind of mobile unit and integrates cooling system and method, existing to solve
The problem of each functional unit individually controls caused heat dissipation heat extraction unreasonable in technology.
The embodiment of the present invention provides functional unit in a kind of mobile unit and integrates cooling system, and the mobile unit includes more
A functional unit, multiple functional units include a main control unit and multiple auxiliary units；Wherein, the main control unit and described
Auxiliary unit is definite according to the corresponding predetermined power of each functional unit；
The main control unit is connected with each auxiliary unit；
The main control unit and the auxiliary unit obtain respective real time information, the auxiliary unit by real time information and
The identification information of the auxiliary unit is sent to the main control unit；
The main control unit generates the control instruction of itself according to the real time information and generates and aid in list to described
Member sends the control instruction corresponding with the identification information；
The main control unit and the auxiliary unit adjust the real time information according to corresponding control instruction.
Optionally, the real time information includes real time power consumption, real time temperature and real-time rotating speed.
Optionally, the main control unit includes master chip, the first heating device and the first radiator fan, the auxiliary unit
Including companion chip, the second heating device and the second radiator fan；
The master chip is connected with the companion chip, and the master chip obtains the real time power consumption and real time temperature of itself,
And the real time power consumption and real time temperature of first heating device, the real-time rotating speed of the first radiator fan；The companion chip
The real time power consumption and the real time power consumption and real time temperature of real time temperature and second heating device of itself are obtained, second dissipates
The real-time rotating speed of Hot-air fan, and it is sent to the master chip；
The master chip is generated according to the real time information and sent out to first heating device, first radiator fan
Go out the control instruction of itself and generate and send the control instruction corresponding to the identification information to the companion chip；
The control instruction received is sent to second heating device and second radiation air by the companion chip
Fan.
Optionally, the master chip and the companion chip are respectively to first heating device, second heater
Part sends control instruction, to adjust the operation power of first heating device, second heating device.
Optionally, the master chip and the companion chip are respectively to first radiator fan, second radiation air
Fan sends control instruction, to adjust the rotating speed of first radiator fan, second radiator fan.
The embodiment of the present invention provides functional unit in a kind of mobile unit and integrates heat dissipating method, including：
Main control unit and auxiliary unit are determined according to the corresponding predetermined power of each functional unit；
The main control unit and the auxiliary unit obtain respective real time information；
The main control unit receives real time information and the identification information that the auxiliary unit is sent；
The main control unit generates the control instruction of itself according to the real time information and generates and aid in list to described
Member sends the control instruction corresponding with the identification information；
The main control unit and the auxiliary unit adjust the real time information according to corresponding control instruction.
Optionally, the real time information includes real time power consumption, real time temperature and real-time rotating speed.
Optionally, the main control unit includes master chip, the first heating device and the first radiator fan, the auxiliary unit
Including companion chip, the second heating device and the second radiator fan；The method specifically includes：
The master chip obtains the real time power consumption and the real time power consumption of real time temperature and first heating device of itself
And real time temperature, the real-time rotating speed of the first radiator；The companion chip obtains the real time power consumption and real time temperature of itself, with
And the real time power consumption and real time temperature of second heating device, the real-time rotating speed of the second radiator, and it is sent to the master
Chip；
The master chip is generated according to the real time information and sent out to first heating device, first radiator fan
Go out the control instruction of itself and generate and send the control instruction corresponding to the identification information to the companion chip；
The control instruction received is sent to second heating device and second radiation air by the companion chip
Fan.
Optionally, the master chip and the companion chip are respectively to first heating device, second heater
Part sends control instruction, to adjust the operation power of first heating device, second heating device.
Optionally, the master chip and the companion chip are respectively to first radiator fan, second radiation air
Fan sends control instruction, to adjust the rotating speed of first radiator fan, second radiator fan.
Functional unit integrates cooling system in mobile unit provided in an embodiment of the present invention, and multiple functional units are arranged to
Main control unit and auxiliary unit, and pass through main control unit to the real time information of itself and to receiving each auxiliary unit transmission
Real time information analyzes and processes jointly, obtains the corresponding control instruction of each functional unit, reaches each functional unit worked
The reasonable distribution of power consumption in journey eliminates each functional unit in the prior art and individually controls the processing pressure that power consumption is brought.
Functional unit integrates heat dissipating method in mobile unit provided in an embodiment of the present invention, and multiple functional units are arranged to
Main control unit and auxiliary unit, and pass through main control unit to the real time information of itself and to receiving each auxiliary unit transmission
Real time information analyzes and processes jointly, obtains the corresponding control instruction of each functional unit, reaches each functional unit worked
The reasonable distribution of power consumption in journey eliminates each functional unit in the prior art and individually controls the processing pressure that power consumption is brought.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments, for those of ordinary skill in the art, without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is functional unit integrated structure schematic diagram in the mobile unit that the embodiment of the present invention 1 provides；
Fig. 2 is the structure diagram that functional unit integrates cooling system in the mobile unit that the embodiment of the present invention 1 provides；
Fig. 3 is the concrete structure signal that functional unit integrates cooling system in the mobile unit that the embodiment of the present invention 1 provides
Figure；
Fig. 4 is the flow diagram that functional unit integrates heat dissipating method in the mobile unit that the embodiment of the present invention 2 provides.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts belong to the scope of protection of the invention.
Functional unit integrates cooling system in a kind of mobile unit that the embodiment of the present invention 1 provides, in the embodiment of the present invention
In, mobile unit includes multiple functional units, which can realize that the video monitoring of vehicle, sound broadcasting, air-conditioning etc. are more
The control work of the interior control system of kind.As shown in Figure 1, multiple functional units form laminated unitary structure using inserting mode,
Connection between each functional unit forms effective connection according to default connection mode.
When a vehicle is started, system obtains the corresponding predetermined power of each functional unit, according to each functional unit
Prominent functional unit is arranged to main control unit by predetermined power, other functional units are disposed as auxiliary unit.If
Predetermined power there are more than two functional units is equal and maximum, can be judged according to identification information, will identify forward
Functional unit be arranged to main control unit.When using modularized design, if functional unit changes, system identification to variation
Reacquire the corresponding predetermined power of new each functional unit afterwards, according to the predetermined power of each functional unit by power most
Big functional unit is arranged to main control unit, other functional units are disposed as auxiliary unit.It is or each when driving
It, can be between open functional unit in the manner described above again according to predetermined power when the opening and closing of functional unit changes
Set active cell and auxiliary unit.The functional unit of predetermined power maximum is that control can be improved as the advantage of main control unit
Speed processed.Or on the contrary, using the functional unit of predetermined power minimum as main control unit, other functional units are single as auxiliary
Member, this can reduce the risk that big power consumption functional unit further heats up.
As shown in Fig. 2, the main control unit is connected with each auxiliary unit.
The main control unit and the auxiliary unit obtain respective real time information, the auxiliary unit by real time information and
The identification information of the auxiliary unit is sent to the main control unit.Wherein, real time information include real time power consumption, real time temperature and
Real-time rotating speed.Power consumption includes the voltage on heating device, electric current, and resistance directly affects temperature.Therefore, power consumption and temperature are obtained
Degree can comprehensive analysis go out heat dispersal situations in each functional unit.
The main control unit receives the real time information of each functional unit, after being analyzed and processed to real time information, pin
Itself and other functional units are calculated and adjust the corresponding control instruction of real time information, and it is sent to according to identification information
His functional unit.
The main control unit and the auxiliary unit adjust the real time information according to corresponding control instruction.
In embodiments of the present invention, each functional unit can exist in the form of babinet, and circuit is provided in each babinet
Plate is provided with processing chip, heating device, air inlet, air outlet, radiator fan etc. on circuit boards, and each object is according to pre-
If connection mode effectively connects, this is no longer going to repeat them.
In embodiments of the present invention, in order to preferably explain work relationship between main control unit and auxiliary unit
It is bright：
As shown in figure 3, the main control unit includes master chip, the first heating device and the first radiator fan, the auxiliary
Unit includes companion chip, the second heating device and the second radiator fan.Wherein, the first heating device and the second heating device are equal
It can be circuit board, multiple components are distributed on circuit boards.
The master chip is connected with the companion chip, and the master chip obtains the real time power consumption and real time temperature of itself,
And the real time power consumption and real time temperature of first heating device, the real-time rotating speed of the first radiator fan；The companion chip
The real time power consumption and the real time power consumption and real time temperature of real time temperature and second heating device of itself are obtained, second dissipates
The real-time rotating speed of Hot-air fan, and these real time information are sent to the master chip；
The master chip is generated according to the real time information and sent out to first heating device, first radiator fan
Go out the control instruction of itself and generate and send the control instruction corresponding to the identification information to the companion chip；
The control instruction received is sent to second heating device and second radiation air by the companion chip
Fan.
In information process, master chip analyzes and processes the real time power consumption of each functional unit and real time temperature,
The regulating power consumption value for the heating device being suitble in each functional unit is obtained, and according to regulating power consumption value to corresponding heating device
It is adjusted.Meanwhile obtain the rotational speed regulation value for the radiator fan being suitble in each functional unit.By the rotational speed regulation value with it is right
The real-time rotating speed answered compares, if the two difference, within threshold range, radiator fan continues with real-time rotary speed working.If two
Person's difference is outside threshold range, then radiator fan is worked with rotational speed regulation value.
The specific control of the present invention is：
The master chip and the companion chip send control to first heating device, second heating device respectively
System instruction, to adjust the operation power of first heating device, second heating device.
The master chip and the companion chip send control instruction to radiator fan, to adjust the rotating speed of radiator fan.
Functional unit integrates cooling system in the mobile unit that the embodiment of the present invention 1 provides, and multiple functional units are set
For main control unit and auxiliary unit, and pass through main control unit to the real time information of itself and sent to receiving each auxiliary unit
Real time information analyze and process jointly, obtain the corresponding control instruction of each functional unit, reach each functional unit and working
The reasonable distribution of power consumption in the process eliminates each functional unit in the prior art and individually controls the processing pressure that power consumption is brought.
It is a kind of whole based on functional unit in mobile unit described in above-described embodiment that Fig. 4 shows that the embodiment of the present invention 2 provides
The heat dissipating method of cooling system is closed, the corresponding predetermined power of each functional unit is being obtained, according to the pre- of each functional unit
If the functional unit of power maximum (or minimum) is arranged to main control unit by power, it is single that other functional units are disposed as auxiliary
After member, the specific steps for carrying out radiating control further comprise：
S11, the main control unit and the auxiliary unit obtain respective real time information；
S12, the main control unit receive real time information and the identification information that the auxiliary unit is sent；
S13, the main control unit according to the real time power consumption generate the control instruction of itself and generate and send and institute
State control instruction corresponding to identification information；
S14, the main control unit and the auxiliary unit adjust the real time information according to corresponding control instruction.
In embodiments of the present invention, the main control unit in the functional unit includes master chip, the first heating device
With the first radiator fan, the auxiliary unit includes companion chip, the second heating device and the second radiator fan.Therefore, it is described
Method specifically includes：
The master chip obtains the real time power consumption and the real time power consumption of real time temperature and first heating device of itself
And real time temperature, the real-time rotating speed of the first radiator；The companion chip obtains the real time power consumption and real time temperature of itself, with
And the real time power consumption and real time temperature of second heating device, the real-time rotating speed of the second radiator, and it is sent to the master
Chip；
The master chip is generated according to the real time information and sent out to first heating device, first radiator fan
Go out the control instruction of itself and generate and send the control instruction corresponding to the identification information to the companion chip；
The control instruction received is sent to second heating device and second radiation air by the companion chip
Fan.
Since 2 the method for the embodiment of the present invention is identical with the principle of system described in above-described embodiment, in further detail
Explanation content details are not described herein.
Functional unit integrates heat dissipating method in the mobile unit that the embodiment of the present invention 2 provides, and multiple functional units are set
For main control unit and auxiliary unit, and pass through main control unit to the real time information of itself and sent to receiving each auxiliary unit
Real time information analyze and process jointly, obtain the corresponding control instruction of each functional unit, reach each functional unit and working
The reasonable distribution of power consumption in the process eliminates each functional unit in the prior art and individually controls the processing pressure that power consumption is brought.
Embodiments described above is only schematical, wherein the unit illustrated as separating component can be
Or may not be physically separate, the component shown as unit may or may not be physical location, i.e.,
A place can be located at or can also be distributed in multiple network element.It can select according to the actual needs therein
Some or all of unit realizes the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying creative labor
In the case of dynamic, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It is realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on such understanding, on
Technical solution is stated substantially in other words to embody the part that the prior art contributes in the form of software product, it should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including several fingers
Order, which is used, so that computer equipment (can be personal computer, server or the network equipment etc.) performs each implementation
Method described in some parts of example or embodiment.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent substitution to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical solution spirit and
Scope.
Claims (10)
1. functional unit integrates cooling system in a kind of mobile unit, which is characterized in that the mobile unit includes multiple functions
Unit, multiple functional units include a main control unit and multiple auxiliary units；Wherein, the main control unit and the auxiliary are single
Member is definite according to the corresponding predetermined power of each functional unit；
The main control unit is connected with each auxiliary unit；
The main control unit and the auxiliary unit obtain respective real time information, and the auxiliary unit is by real time information and described
The identification information of auxiliary unit is sent to the main control unit；
The main control unit generates the control instruction of itself according to the real time information and generates and sent out to the auxiliary unit
Go out the control instruction corresponding with the identification information；
The main control unit and the auxiliary unit adjust the real time information according to corresponding control instruction.
2. system according to claim 1, which is characterized in that the real time information include real time power consumption, real time temperature and
Real-time rotating speed.
3. system according to claim 2, which is characterized in that the main control unit includes master chip, the first heating device
With the first radiator fan, the auxiliary unit includes companion chip, the second heating device and the second radiator fan；
The master chip is connected with the companion chip, the master chip obtain itself real time power consumption and real time temperature and
The real time power consumption and real time temperature of first heating device, the real-time rotating speed of the first radiator fan；The companion chip obtains
The real time power consumption and real time temperature of itself real time power consumption and real time temperature and second heating device, the second radiation air
The real-time rotating speed of fan, and it is sent to the master chip；
The master chip is generated according to the real time information and sent certainly to first heating device, first radiator fan
The control instruction of body and generation simultaneously send the control instruction corresponding to the identification information to the companion chip；
The control instruction received is sent to second heating device and second radiator fan by the companion chip.
4. system according to claim 3, which is characterized in that the master chip and the companion chip are respectively to described
One heating device, second heating device send control instruction, to adjust first heating device, second heater
The operation power of part.
5. system according to claim 3, which is characterized in that the master chip and the companion chip are respectively to described
One radiator fan, second radiator fan send control instruction, to adjust first radiator fan, second radiation air
The rotating speed of fan.
6. functional unit integrates heat dissipating method in a kind of mobile unit, which is characterized in that including：
Main control unit and auxiliary unit are determined according to the corresponding predetermined power of each functional unit；
The main control unit and the auxiliary unit obtain respective real time information；
The main control unit receives real time information and the identification information that the auxiliary unit is sent；
The main control unit generates the control instruction of itself according to the real time information and generates and sent out to the auxiliary unit
Go out the control instruction corresponding with the identification information；
The main control unit and the auxiliary unit adjust the real time information according to corresponding control instruction.
7. according to the method described in claim 6, it is characterized in that, the real time information includes power consumption, temperature and real-time rotating speed.
8. the method according to the description of claim 7 is characterized in that the main control unit includes master chip, the first heating device
With the first radiator fan, the auxiliary unit includes companion chip, the second heating device and the second radiator fan；The method has
Body includes：
The master chip obtains the real time power consumption and the real time power consumption and reality of real time temperature and first heating device of itself
Shi Wendu, the real-time rotating speed of the first radiator；The companion chip obtains itself real time power consumption and real time temperature, Yi Jisuo
The real time power consumption and real time temperature of the second heating device, the real-time rotating speed of the second radiator are stated, and is sent to the master chip；
The master chip is generated according to the real time information and sent certainly to first heating device, first radiator fan
The control instruction of body and generation simultaneously send the control instruction corresponding to the identification information to the companion chip；
The control instruction received is sent to second heating device and second radiator fan by the companion chip.
9. according to the method described in claim 8, it is characterized in that, the master chip and the companion chip are respectively to described
One heating device, second heating device send control instruction, to adjust first heating device, second heater
The operation power of part.
10. according to the method described in claim 8, it is characterized in that, the master chip and the companion chip are respectively to described
First radiator fan, second radiator fan send control instruction, to adjust first radiator fan, second heat dissipation
The rotating speed of fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611075398.0A CN108116343A (en) | 2016-11-28 | 2016-11-28 | Functional unit integrates cooling system and method in mobile unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611075398.0A CN108116343A (en) | 2016-11-28 | 2016-11-28 | Functional unit integrates cooling system and method in mobile unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108116343A true CN108116343A (en) | 2018-06-05 |
Family
ID=62225938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611075398.0A Withdrawn CN108116343A (en) | 2016-11-28 | 2016-11-28 | Functional unit integrates cooling system and method in mobile unit |
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| Country | Link |
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| CN (1) | CN108116343A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109445858A (en) * | 2018-09-30 | 2019-03-08 | 联想(北京)有限公司 | Switching method and system |
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| CN103186180A (en) * | 2011-12-30 | 2013-07-03 | 鸿富锦精密工业（深圳）有限公司 | Cabinet system and server thereof |
| CN103376860A (en) * | 2012-04-27 | 2013-10-30 | 鸿富锦精密工业（深圳）有限公司 | Fan control method |
| CN103558876A (en) * | 2013-10-15 | 2014-02-05 | 华为技术有限公司 | Heat dissipation control method, heat dissipation control system and network device |
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2016
- 2016-11-28 CN CN201611075398.0A patent/CN108116343A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628877A (en) * | 2011-08-19 | 2012-08-08 | 深圳安博电子有限公司 | Heat dissipation system of integrated circuit tester and control method thereof |
| CN103186180A (en) * | 2011-12-30 | 2013-07-03 | 鸿富锦精密工业（深圳）有限公司 | Cabinet system and server thereof |
| CN103376860A (en) * | 2012-04-27 | 2013-10-30 | 鸿富锦精密工业（深圳）有限公司 | Fan control method |
| CN103558876A (en) * | 2013-10-15 | 2014-02-05 | 华为技术有限公司 | Heat dissipation control method, heat dissipation control system and network device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109445858A (en) * | 2018-09-30 | 2019-03-08 | 联想(北京)有限公司 | Switching method and system |
| CN109445858B (en) * | 2018-09-30 | 2021-10-22 | 联想(北京)有限公司 | Switching method and system |
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