CN106570958A - Energy saving method for intelligent key based on PEPS system and intelligent key - Google Patents
Energy saving method for intelligent key based on PEPS system and intelligent key Download PDFInfo
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- CN106570958A CN106570958A CN201610912004.6A CN201610912004A CN106570958A CN 106570958 A CN106570958 A CN 106570958A CN 201610912004 A CN201610912004 A CN 201610912004A CN 106570958 A CN106570958 A CN 106570958A
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- intelligent key
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
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Abstract
The invention discloses an energy saving method for an intelligent key based on a PEPS system; the energy saving method comprises the steps: after a control chip in the intelligent key receives a radio-frequency signal or an interrupt signal, the intelligent key is controlled to have a sleep mode switched into a work mode, and according to the radio-frequency signal or the interrupt signal, corresponding operation is implemented; and after the corresponding operation is implemented, the control chip controls the intelligent key to have the work mode switched into the sleep mode. The invention also discloses the intelligent key; the mode switching of the intelligent key is controlled by the control chip, the intelligent key can be in a sleep mode when the radio-frequency signal or the interrupt signal are not received, and the electric quantity consumption of the intelligent key can be effectively reduced, so under a condition of ensuring that the intelligent key normally works, the electric quantity consumption of the intelligent key is effectively saved, and the power consumption of the intelligent key is reduced.
Description
Technical field
The present invention relates to automotive field, more particularly to a kind of power-economizing method and intelligence of Intelligent key based on PEPS system
Key.
Background technology
With science and technology fast development, (Passive Entry＆Passive Start, keyless entry with open without key
It is dynamic) control technology is also more and more ripe, becomes the standard configuration product of many economic vehicles.PEPS system Intelligent key is using advanced
Radio RF recognition technology, realization need not press by remote control into the car and the function such as one-key start engine.
PEPS has more intelligentized entrance guard management, and higher theftproof performance has become the master of automobile electronic anti-burglary system application
Stream.
At present, Intelligent key is typically with battery to power, and Intelligent key is located always due to needing in prior art
In mode of operation, power consumption is larger, therefore, the use time that battery how is extended as far as possible is that at present energy technology urgently to be resolved hurrily is asked
Topic.
The content of the invention
Present invention is primarily targeted at providing a kind of power-economizing method and intelligent key of Intelligent key based on PEPS system
Spoon, it is intended to which the power consumption for solving Intelligent key in prior art is larger, the short technical problem of use time.
For achieving the above object, first aspect present invention provides a kind of energy-saving square of the Intelligent key based on PEPS system
Method, methods described includes：
Control chip in the Intelligent key controls the intelligence after radiofrequency signal or interrupt signal is received
Key switches to mode of operation from park mode；
The control chip performs corresponding operation according to the radiofrequency signal or interrupt signal；
After corresponding operation is performed, the control chip controls the Intelligent key and cuts from the mode of operation
It is changed to the park mode.
For achieving the above object, second aspect present invention provides a kind of Intelligent key, and the Intelligent key includes：Control core
Piece, the control chip includes：
First handover module, for after radiofrequency signal or interrupt signal is received, control the Intelligent key from
Park mode switches to mode of operation；
Operation module is performed, corresponding behaviour is performed according to the radiofrequency signal or interrupt signal for the control chip
Make；
Second handover module, for after corresponding operation is performed, the control chip to control the intelligent key
Spoon switches to the park mode from the mode of operation.
The present invention provides a kind of power-economizing method of the Intelligent key based on PEPS system, in the method, in Intelligent key
Control chip after radiofrequency signal or interrupt signal is received, control Intelligent key switch to Working mould from park mode
Formula, and corresponding operation, after the corresponding operation is performed, the control core are performed according to the radiofrequency signal or interrupt signal
Piece switches to park mode by Intelligent key is controlled from mode of operation.The pattern switching of Intelligent key is controlled by control chip,
So that Intelligent key is at park mode when radiofrequency signal or interrupt signal is not received, intelligence can be effectively reduced
The electric quantity consumption of key, and Intelligent key is allowed hand over as mode of operation when radiofrequency signal or interrupt signal is received
Corresponding operation is performed, the normal work of Intelligent key can be effectively guaranteed.Therefore, by the technology in the embodiment of the present invention
Scheme, under conditions of Intelligent key normal work is guaranteed, can effectively save the electric quantity consumption of Intelligent key, reduce intelligent key
The power consumption of spoon.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those skilled in the art, without having to pay creative labor, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the power-economizing method of the Intelligent key in first embodiment of the invention based on PEPS system；
Fig. 2 is the structure chart of TRF4140 chips in the embodiment of the present invention；
Fig. 3 is the schematic flow sheet that step is added in first embodiment of the invention；
Fig. 4 is the schematic diagram of low frequency communication instruction in the embodiment of the present invention；
Fig. 5 is the schematic diagram of the functional module of Intelligent key in second embodiment of the invention；
Fig. 6 is the schematic diagram of the functional module of Intelligent key in third embodiment of the invention.
Specific embodiment
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described reality
It is only a part of embodiment of the invention to apply example, and not all embodiments.Based on the embodiment in the present invention, people in the art
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Due to the power consumption that there is Intelligent key in prior art it is larger, the short technical problem of use time.
In order to solve above-mentioned technical problem, the present invention proposes a kind of power-economizing method of the Intelligent key based on PEPS system,
The pattern switching of Intelligent key is controlled by control chip so that Intelligent key is not when radiofrequency signal or interrupt signal is received
Park mode is at, the electric quantity consumption of Intelligent key can be effectively reduced, and cause Intelligent key receiving radio frequency
Allow hand over when signal or interrupt signal and perform corresponding operation for mode of operation, can effectively guarantee Intelligent key just
Often work.Therefore, by the technical scheme in the embodiment of the present invention, can under conditions of Intelligent key normal work is guaranteed,
The electric quantity consumption of Intelligent key is effectively saved, the power consumption of Intelligent key is reduced.
Fig. 1 is referred to, is the flow process of the power-economizing method of the Intelligent key that PEPS system is based in first embodiment of the invention
Schematic diagram, the method includes：
Control chip in step 101, the Intelligent key is controlled after radiofrequency signal or interrupt signal is received
The Intelligent key switches to mode of operation from park mode；
In embodiments of the present invention, the Intelligent key of automobile is communicated with the base station end being arranged on automobile, to control
The equipment of automobile processed.Wherein, TRF4140 chips are the radio frequency chips that four roads drive, can be used as the low frequency base station of PEPS system
End, refers to Fig. 2, is the structure chart of TRF4140 chips in the embodiment of the present invention.
Wherein, control chip is included in Intelligent key, the control chip can be RF430F51XX chips, and should
RF430F51XX chips are the high performance low frequency front end MRF26 chip packages of 16 MSP430F5172 chips and TI of low-power consumption
.Therefore, the antenna that the control chip can either pass through in Intelligent key receives radiofrequency signal, it is also possible to realize control work(
Energy.
In embodiments of the present invention, for energy-conservation, Intelligent key is generally in park mode, if the control in the Intelligent key
Coremaking piece receives radiofrequency signal or interrupt signal, then the control chip switches to work by Intelligent key is controlled from park mode
Operation mode.
Wherein, the park mode typically low-power consumption mode (LPM, Low Power Mode) 4.5 patterns, LMP4.5
The typical power consumption value of pattern is 0.25uA.Wherein, when Intelligent key is in park mode, need to close outside some specified moulds
Block, such as reference source REF, SPI interface etc..
Wherein, antenna is included in Intelligent key, for example, it may be 3D antennas, 3D antennas refer to by X-axis, Y-axis, Z axis day
Line is constituted, and can receive the radiofrequency signal that any direction is transmitted, specifically for receiving the low frequency radio frequency letter that base station end sends
Number.After broadcast radio frequency signals, the antenna in the Intelligent key matched with the base station end will receive the radiofrequency signal to base station end,
And the radiofrequency signal for receiving is sent to into control chip.
Wherein, interrupt signal is typically produced by user operation, for example, button of the user on Intelligent key is pressed
When, Intelligent key will be immediately generated interrupt signal.
Step 102, the control chip perform corresponding operation according to the radiofrequency signal or interrupt signal；
Step 103, after corresponding operation is performed, the control chip controls the Intelligent key from the work
Operation mode switches to the park mode.
In embodiments of the present invention, control chip will performed accordingly according to the radiofrequency signal or interrupt signal that receive
Operation, and after corresponding operation has been performed, the control chip switches to dormancy by Intelligent key is controlled from mode of operation
Pattern.
It should be noted that in embodiments of the present invention, control chip is being performed according to radiofrequency signal or interrupt signal
During corresponding operation, high-frequency signal is if desired sent, from from the point of view of power saving, general recommendations adopts ASK (Amplitude
Shift Keying) pattern, FSK (Frequency Shift Keying) pattern should not be adopted, because ASK is more saved than FSK
Electricity.
In embodiments of the present invention, the control chip in Intelligent key receive radiofrequency signal or interrupt signal it
Afterwards, control Intelligent key and switch to mode of operation from park mode, and performed according to the radiofrequency signal or interrupt signal corresponding
Operation, perform the corresponding operation after, the control chip by control Intelligent key switch to dormancy mould from mode of operation
Formula.The pattern switching of Intelligent key is controlled by control chip so that Intelligent key is not receiving radiofrequency signal or interrupting letter
Number when be at park mode, can effectively reduce the electric quantity consumption of Intelligent key, and Intelligent key is being received
Allow hand over when radiofrequency signal or interrupt signal and perform corresponding operation for mode of operation, can effectively guarantee Intelligent key
Normal work.Therefore, by the technical scheme in the embodiment of the present invention, can be in the condition for guaranteeing Intelligent key normal work
Under, the electric quantity consumption of Intelligent key is effectively saved, reduce the power consumption of Intelligent key.
Based on the first embodiment shown in Fig. 1, can not only be by controlling intelligence in the technical scheme of the embodiment of the present invention
The mode of key pattern switching realizes the low-power consumption of Intelligent key, additionally it is possible to further realize the wireless charging of Intelligent key, please
It is the schematic flow sheet that step is added in first embodiment of the invention refering to Fig. 3, the additional step includes：
Step 301, the control chip receive the low frequency charging instruction that base station end sends；
Step 302, the control chip store the electric energy that the low frequency charging instruction is carried.
In embodiments of the present invention, Intelligent key is to realize wireless charging by base station end, wherein, base station end is typically
Using TRF4140 chips, base station end generally has No. 4 low-frequency antennas, and therein arbitrarily all the way low-frequency antenna could be arranged to
IMMO (anti-theft locking system of engine) antenna, it is concrete as shown in Fig. 2 this road low-frequency antenna is except for authentication intelligent key
Beyond legitimacy is to start engine, can also be charged to Intelligent key.
It is understood that in embodiments of the present invention, the triggering mode for starting to be charged to Intelligent key has various,
In a kind of feasible embodiment, user can be placed on Intelligent key on the charging base in automobile, wherein, the charging
Distance is less than preset value, such as 10cm so that Intelligent key is in charging effective range, and intelligence between base and base station end
After being placed on charging base, base station end will be charged energy key to Intelligent key.
Specifically, control chip will receive the low frequency charging instruction that base station end sends, and control chip will store the low frequency
The electric energy that charging instruction is carried.Wherein, the low frequency charging instruction that base station end sends is indeed through Electromagnetic Wave Propagation, electromagnetism
Ripple has the function of carrying energy, and control chip receives this electromagnetic wave and can be realized as charging.
Wherein, the electric energy of control chip storage low frequency charging instruction carrying can be specifically：If Intelligent key is used
Can not charging power modules, such as disposable battery, then the electric energy that control chip carries the low frequency charging instruction for receiving is to being deposited
Storing up electricity capacity charge, for the power supply of low frequency communication.If Intelligent key uses rechargable power supplies module, control chip is by profit
The electric energy carried with the low frequency charging instruction is charged for the rechargable power supplies module.It is understood that for latter
Situation, control chip also can charge to storage capacitance.
Technical scheme in order to be better understood from the embodiment of the present invention, refers to Fig. 4, is low frequency in the embodiment of the present invention
The schematic diagram of communication instruction, in the diagram " CHARGE " is the action of a token (Token), and expression is the action charged, " S ",
" 0 " and " 1 " all represents a token action, there is different sequential；" Write Address " is the data of 8 bits, be by
" 0 " or " 1 " represents write address come what is completed；" Write Address " is also the data of 8 bit, and represent extension writes ground
Location；" ChargeControl " is also the data of 8 bit, is command word；16 bits " Write Frame BCC " are each numbers
According to the check value for calculating；" EOF " is also a token action, represents that order finishes.
In embodiments of the present invention, base station end and Intelligent key can carry out low frequency communication, the MCU (microcontrollers of base station end
Unit) initialization of register of TRF4140 is configured by UART or spi bus, and the content for arranging includes：4 tunnels
The the opening or closing of low-frequency antenna, the supply voltage of antenna, the output waveform of battery ripple, frequency of low frequency output etc..Additionally, also needing
The control chip (such as RF430F5XXX) of Intelligent key the inside E2PROM related registers are arranged and enable (the Battery that charges
Charge), by above-mentioned setting so that the wireless charging to Intelligent key can be realized between base station end and Intelligent key.
In embodiments of the present invention, the wireless charging to Intelligent key can be effectively realized by the way.
Fig. 5 is referred to, is the schematic diagram of the functional module of Intelligent key in second embodiment of the invention, the Intelligent key
Including：Control chip 501, the control chip 501 includes：First handover module 502, execution operation module 503 and second cut
Mold changing block 504.
First handover module 502, for after radiofrequency signal or interrupt signal is received, controlling the Intelligent key
Mode of operation is switched to from park mode；
In embodiments of the present invention, the Intelligent key of automobile is communicated with the base station end being arranged on automobile, to control
The equipment of automobile processed.Wherein, TRF4140 chips are the radio frequency chips that four roads drive, can be used as the low frequency base station of PEPS system
End, refers to Fig. 2, is the structure chart of TRF4140 chips in the embodiment of the present invention.
Wherein, control chip 501 is included in Intelligent key, the control chip 501 can be RF430F51XX chips, and should
RF430F51XX chips are the high performance low frequency front end MRF26 chip packages of 16 MSP430F5172 chips and TI of low-power consumption
.Therefore, the antenna that the control chip 501 can either pass through in Intelligent key receives radiofrequency signal, it is also possible to realize control
Function processed.
In embodiments of the present invention, for energy-conservation, Intelligent key is generally in park mode, if the control in the Intelligent key
Coremaking piece 501 receives radiofrequency signal or interrupt signal, then first handover module 502 will control Intelligent key from dormancy mould
Formula switches to mode of operation.
Wherein, the park mode typically low-power consumption mode (LPM, Low Power Mode) 4.5 patterns, LMP4.5
The typical power consumption value of pattern is 0.25uA.Wherein, when Intelligent key is in park mode, need to close outside some specified moulds
Block, such as reference source REF, SPI interface etc..
Wherein, antenna is included in Intelligent key, for example, it may be 3D antennas, 3D antennas refer to by X-axis, Y-axis, Z axis day
Line is constituted, and can receive the radiofrequency signal that any direction is transmitted, specifically for receiving the low frequency radio frequency letter that base station end sends
Number.After broadcast radio frequency signals, the antenna in the Intelligent key matched with the base station end will receive the radiofrequency signal to base station end,
And the radiofrequency signal for receiving is sent to into control chip 501.
Wherein, interrupt signal is typically produced by user operation, for example, button of the user on Intelligent key is pressed
When, Intelligent key will be immediately generated interrupt signal.
Operation module 503 is performed, for performing corresponding operation according to the radiofrequency signal or interrupt signal；
Second handover module 504, for after corresponding operation is performed, controlling the Intelligent key from the work
Operation mode switches to the park mode.
In embodiments of the present invention, perform operation module 503 to be held according to the radiofrequency signal or interrupt signal that receive
The corresponding operation of row, and after corresponding operation has been performed, the second handover module 504 will control Intelligent key from mode of operation
Switch to park mode.
It should be noted that in embodiments of the present invention, control chip 501 is being held according to radiofrequency signal or interrupt signal
During row operation accordingly, high-frequency signal is if desired sent, from from the point of view of power saving, general recommendations adopts ASK (Amplitude
Shift Keying) pattern, FSK (Frequency ShiftKeying) pattern should not be adopted, because ASK is more saved than FSK
Electricity.
In embodiments of the present invention, the control chip 501 in Intelligent key is receiving radiofrequency signal or interrupt signal
Afterwards, control Intelligent key and switch to mode of operation from park mode, and phase is performed according to the radiofrequency signal or interrupt signal
The operation answered, after the corresponding operation is performed, the control chip 501 is switched to Intelligent key is controlled not from mode of operation
Sleep mode.By control chip 501 control Intelligent key pattern switching so that Intelligent key do not receive radiofrequency signal or
Park mode is at during interrupt signal, the electric quantity consumption of Intelligent key can be effectively reduced, and Intelligent key is existed
Allow hand over when receiving radiofrequency signal or interrupt signal and perform corresponding operation for mode of operation, can effectively guarantee intelligence
The normal work of energy key.Therefore, by the technical scheme in the embodiment of the present invention, Intelligent key normal work can guaranteed
Under conditions of, the electric quantity consumption of Intelligent key is effectively saved, reduce the power consumption of Intelligent key.
Fig. 6 is referred to, is the schematic diagram of the functional module of Intelligent key in third embodiment of the invention, the Intelligent key bag
Include control chip 501 as shown in Figure 5, and control chip 501 include the first handover module 502, perform operation module 503 and
Second handover module 504 is also similar to the description of second embodiment shown in Fig. 5, does not repeat herein.
In embodiments of the present invention, the control chip 501 also includes：
Receiver module 601, for receiving the low frequency charging instruction of base station end transmission；
Memory module 602, for storing the electric energy that the low frequency charging instruction is carried.
In embodiments of the present invention, Intelligent key is to realize wireless charging by base station end, wherein, base station end is typically
Using TRF4140 chips, base station end generally has No. 4 low-frequency antennas, and therein arbitrarily all the way low-frequency antenna could be arranged to
IMMO (anti-theft locking system of engine) antenna, it is concrete as shown in Fig. 2 this road low-frequency antenna is except for authentication intelligent key
Beyond legitimacy is to start engine, can also be charged to Intelligent key.
It is understood that in embodiments of the present invention, the triggering mode for starting to be charged to Intelligent key has various,
In a kind of feasible embodiment, user can be placed on Intelligent key on the charging base in automobile, wherein, the charging
Distance is less than preset value, such as 10cm so that Intelligent key is in charging effective range, and intelligence between base and base station end
After being placed on charging base, base station end will be charged energy key to Intelligent key.
Specifically, receiver module 601 will receive the low frequency charging instruction that base station end sends, and memory module 602 will be stored
The electric energy that the low frequency charging instruction is carried.Wherein, the low frequency charging instruction that base station end sends is indeed through Electromagnetic Wave Propagation
, electromagnetic wave has the function of carrying energy, and control chip 501 receives this electromagnetic wave and can be realized as charging.
Wherein, the electric energy of the storage low frequency of memory module 602 charging instruction carrying can be specifically：What if Intelligent key was used
Be can not charging power modules, such as disposable battery, then the electric energy that memory module 602 carries the low frequency charging instruction for receiving
Charge to storage capacitance, for the power supply of low frequency communication.If Intelligent key uses rechargable power supplies module, memory module
602 are charged the electric energy carried using the low frequency charging instruction for the rechargable power supplies module.It is understood that for
Latter event, control chip 501 also can charge to storage capacitance.
Technical scheme in order to be better understood from the embodiment of the present invention, refers to Fig. 4, is low frequency in the embodiment of the present invention
The schematic diagram of communication instruction, in the diagram " CHARGE " is the action of a token (Token), and expression is the action charged, " S ",
" 0 " and " 1 " all represents a token action, there is different sequential；" Write Address " is the data of 8 bits, be by
" 0 " or " 1 " represents write address come what is completed；" Write Address " is also the data of 8 bit, and represent extension writes ground
Location；" ChargeControl " is also the data of 8 bit, is command word；16 bits " Write Frame BCC " are each numbers
According to the check value for calculating；" EOF " is also a token action, represents that order finishes.
In embodiments of the present invention, base station end and Intelligent key can carry out low frequency communication, the MCU (microcontrollers of base station end
Unit) initialization of register of TRF4140 is configured by UART or spi bus, and the content for arranging includes：4 tunnels
The the opening or closing of low-frequency antenna, the supply voltage of antenna, the output waveform of battery ripple, frequency of low frequency output etc..Additionally, also needing
The control chip 501 (such as RF430F5XXX) of Intelligent key the inside E2PROM related registers are arranged to enable and be charged
(Battery Charge), by above-mentioned setting so that the nothing to Intelligent key can be realized between base station end and Intelligent key
Line charges.
In embodiments of the present invention, the wireless charging to Intelligent key can effectively be realized by above-mentioned module.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, it can be passed through
Its mode is realized.For example, device embodiment described above is only schematic, for example, the division of the module, and only
Only a kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple module or components can be tied
Close or be desirably integrated into another system, or some features can be ignored, or do not perform.It is another, it is shown or discussed
Coupling each other or direct-coupling or communication connection can be the INDIRECT COUPLINGs by some interfaces, device or module or logical
Letter connection, can be electrical, mechanical or other forms.
The module as separating component explanation can be or may not be it is physically separate, it is aobvious as module
The part for showing can be or may not be physical module, you can with positioned at a place, or can also be distributed to multiple
On mixed-media network modules mixed-media.Some or all of module therein can according to the actual needs be selected to realize the mesh of this embodiment scheme
's.
In addition, each functional module in each embodiment of the invention can be integrated in a processing module, it is also possible to
It is that modules are individually physically present, it is also possible to which two or more modules are integrated in a module.Above-mentioned integrated mould
Block both can be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.
If the integrated module is realized using in the form of software function module and as independent production marketing or used
When, during a computer read/write memory medium can be stored in.Based on such understanding, technical scheme is substantially
The part for contributing to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment methods described of the invention
Portion or part steps.And aforesaid storage medium includes：USB flash disk, portable hard drive, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
It should be noted that for aforesaid each method embodiment, for easy description, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention do not limited by described sequence of movement because
According to the present invention, some steps can adopt other orders or while carry out.Secondly, those skilled in the art also should know
Know, embodiment described in this description belongs to preferred embodiment, and involved action and module might not all be this
It is bright necessary.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, without the portion described in detail in certain embodiment
Point, may refer to the associated description of other embodiments.
It is more than the description of update method to a kind of program channel of television set provided by the present invention and device, for
Those skilled in the art, according to the thought of the embodiment of the present invention, has in specific embodiments and applications change
Part, to sum up, this specification content should not be construed as limiting the invention.
Claims (10)
1. it is a kind of based on keyless entry with without key start PEPS system Intelligent key power-economizing method, it is characterised in that
Methods described includes：
Control chip in the Intelligent key controls the Intelligent key after radiofrequency signal or interrupt signal is received
Mode of operation is switched to from park mode；
The control chip performs corresponding operation according to the radiofrequency signal or interrupt signal；
After corresponding operation is performed, the control chip controls the Intelligent key and switches to from the mode of operation
The park mode.
2. method according to claim 1, it is characterised in that the control chip is RF430F51XX chips.
3. method according to claim 1, it is characterised in that the park mode is low-power consumption mode LPM4.5 patterns.
4. the method according to claims 1 to 3 any one, it is characterised in that methods described also includes：
The control chip receives the low frequency charging instruction that base station end sends；
The control chip stores the electric energy that the low frequency charging instruction is carried.
5. method according to claim 4, it is characterised in that the control chip stores the low frequency charging instruction and carries
Electric energy the step of include：
If the Intelligent key uses rechargable power supplies module, the control chip will be using the low frequency charging instruction
The electric energy of carrying is charged for the rechargable power supplies module.
6. a kind of Intelligent key, it is characterised in that the Intelligent key includes：Control chip, the control chip includes：
First handover module, for after radiofrequency signal or interrupt signal is received, controlling the Intelligent key from dormancy
Pattern switching is mode of operation；
Operation module is performed, for performing corresponding operation according to the radiofrequency signal or interrupt signal；
Second handover module, for after corresponding operation is performed, controlling the Intelligent key from the mode of operation
Switch to the park mode.
7. Intelligent key according to claim 6, it is characterised in that the control chip is RF430F51XX chips.
8. Intelligent key according to claim 6, it is characterised in that the park mode is low-power consumption mode LPM4.5 moulds
Formula.
9. the Intelligent key according to claim 6 to 8 any one, it is characterised in that the control chip also includes：
Receiver module, for receiving the low frequency charging instruction of base station end transmission；
Memory module, for storing the electric energy that the low frequency charging instruction is carried.
10. Intelligent key according to claim 9, it is characterised in that the memory module specifically for：If the intelligence
Key uses rechargable power supplies module, then be the rechargable power supplies by the electric energy carried using the low frequency charging instruction
Module is charged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912004.6A CN106570958A (en) | 2016-10-19 | 2016-10-19 | Energy saving method for intelligent key based on PEPS system and intelligent key |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912004.6A CN106570958A (en) | 2016-10-19 | 2016-10-19 | Energy saving method for intelligent key based on PEPS system and intelligent key |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113002481A (en) * | 2021-03-04 | 2021-06-22 | 永康市小郎科技有限公司 | Method for matching wireless key with electric vehicle and electric vehicle start-stop system |
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| CN113002481B (en) * | 2021-03-04 | 2022-08-16 | 永康市小郎科技有限公司 | Method for matching wireless key with electric vehicle and electric vehicle start-stop system |
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Application publication date: 20170419 |