CN105811593A - Channel preemption method for electric energy wireless transmission system and power supply equipment - Google Patents
Channel preemption method for electric energy wireless transmission system and power supply equipment Download PDFInfo
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Abstract
The invention relates to a channel preemption method for an electric energy wireless transmission system and is applied to the power supply equipment. The method comprises steps that when the corresponding load equipment is detected to need power supply, a self preemption message is broadcasted in a matching channel, and a preemption message of other power supply equipment can be monitored from the matching channel; the preemption message contains preemption priority of the power supply equipment which broadcasts the preemption message; if the self preemption priority is higher than that of other power supply equipment, withdrawal from the matching channel is actuated after a matching message of the corresponding load equipment is received, and entry into a work channel is actuated; if the preemption priority of other power supply equipment is higher than the self preemption priority of the present power supply equipment, withdrawal from the matching channel is actuated, and broadcast and monitoring are re-actuated in the matching channel after the largest preemption time arrives. Through broadcasting the preemption message, power supply sequence of the power supply equipment is automatically ordered, so a problem of crossing mismatching caused by matching information reception errors generated among multiple sets of wireless power supply equipment can be solved.
Description
Technical field
The present invention relates to electric energy wireless transmission technical field, especially relate to passage method for pre-emptively and the power supply unit of a kind of wireless electric energy transmission system.
Background technology
Wireless power/charging technique is to be wirelessly transferred by electric energy by coupling coil, this method of electric energy transfer is not owing to needing line/cable, power supply compared to conventionally employed line/cable, avoid loaded down with trivial details circuit, reduce taking up room of equipment, make user for the placement of equipment and use more facility.
Current equipment is complete use, i.e. power supply unit and load equipment one_to_one corresponding, but need to be accomplished manually matching operation, such as power supply unit/load equipment is made to enter pairing mode by button operation, after another equipment searches this equipment in a communication network, this equipment of operational access, completes pairing.
Therefore, work out, based on the problems referred to above, the method that equipment room mates voluntarily, owing to pairing passage is general passage, carry out in the process of automatic matching at many complete equipments, it is easy to cause between complete set of equipments, intersection mispairing.
Summary of the invention
An object of the present invention is to provide the passage method for pre-emptively of a kind of wireless electric energy transmission system, with solve many complete equipments simultaneously use pairing passage carry out automatic matching time, produce intersect mispairing problem.
In some illustrative embodiment, the passage method for pre-emptively of described wireless electric energy transmission system, for power supply unit, including: when detecting that corresponding load equipment needs to be powered, pairing passage broadcasts self message of seizing, and from described pairing passage, intercept other power supply unit seize message；Wherein, seize described in message and include the preempting priority broadcasting this power supply unit seizing message；If the preempting priority of self is higher than other power supply unit described, then after receiving the pairing message of corresponding load equipment, concede described pairing passage, enter service aisle；If there is the preempting priority of other power supply unit described higher than this equipment self, then conceding described pairing passage, treating maximum to seize after the time arrives, again in described pairing passage, perform described broadcast and intercept.
A kind of power supply unit of offer is provided.
In some illustrative embodiment, described power supply unit, including: sending module, for when detecting that corresponding load equipment needs to be powered, that broadcasts self in pairing passage seizes message；Receiver module, for when detecting that corresponding load equipment needs to be powered, that intercepts other power supply unit from described pairing passage seizes message；Wherein, seize described in message and include the preempting priority broadcasting this power supply unit seizing message；Seize successfully module, if the preempting priority for self is higher than other power supply unit described, then after receiving the pairing message of corresponding load equipment, concedes described pairing passage, enter service aisle；Seize unsuccessfully module, if for there is the preempting priority of other power supply unit described higher than this equipment self, then conceding described pairing passage, treating maximum to seize after the time arrives, again in described pairing passage, perform described broadcast and intercept.
Compared with prior art, the illustrative embodiment of the present invention includes advantages below:
Broadcast is utilized to seize message, it is achieved power supply unit is automatically performed the arrangement of power supply order, it is to avoid the unpaired message between many set wireless powering device receives mistake, the problem causing intersection mispairing.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the illustrative embodiment according to the present invention；
Fig. 2 is the structured flowchart of the power supply unit of the illustrative embodiment according to the present invention；
Fig. 3 is the flow chart of the illustrative embodiment according to the present invention；
Fig. 4 is the flow chart of the illustrative embodiment according to the present invention.
Detailed description of the invention
In the following detailed description, it is proposed to a large amount of specific detail, in order to thorough understanding of the present invention is provided.However it will be understood by those of ordinary skill in the art that, the present invention also can be implemented even without these specific detail.In other cases, it does not have well-known method, process, assembly and circuit are described in detail, in order to avoid affecting the understanding of the present invention.
For the ease of understanding the illustrative embodiment of the present invention faster, first the main thought of the present invention is briefly described at this.
When matching in order to avoid multiple complete set of equipments simultaneously, the problem causing intersection mispairing, the present invention by utilize each power supply unit broadcast oneself seize message, and intercept other power supply unit seize message, carrying out from row filter according to the preempting priority seized in message, the power supply unit that the rank of preempting priority is low is eliminated voluntarily, after waiting until the maximum pairing time, again the carrying out of pairing passage is seized, it is to avoid the problem joining intersection mispairing.
Based on the main thought of the invention described above, invention description below embodiment is described.
As it is shown in figure 1, disclose the power supply authority method for pre-emptively of a kind of wireless electric energy transmission system, for power supply unit, including:
S11, when detecting that corresponding load equipment needs to be powered, pairing passage broadcasts self message of seizing, and from described pairing passage, intercept other power supply unit seize message；
Wherein, seize described in message and include the preempting priority broadcasting this power supply unit seizing message；
If the preempting priority of S12 self is higher than other power supply unit described, then after receiving the pairing message of corresponding load equipment, concede described pairing passage, enter service aisle；
If S13 exists the preempting priority of other power supply unit described higher than this equipment self, then concede described pairing passage, treat maximum to seize after the time arrives, again in described pairing passage, perform described broadcast and intercept.
Broadcast is utilized to seize message, it is achieved power supply unit is automatically performed the arrangement of power supply order, it is to avoid the unpaired message between many set wireless powering device receives mistake, the problem causing intersection mispairing.
In some illustrative embodiment, described in seize and message include for determining broadcast this numerical value of preempting priority of power supply unit seizing message and/or mark.
In some illustrative embodiment, according to the numerical value seized in message of this equipment and other power supply unit described and/or mark, it is determined that the rank height of the preempting priority of this equipment.
Wherein it is possible to determine the height of rank according to the size of numerical value, or determine the height of rank with the composition of mark, it is also possible to judge as first using numerical value, judge to judge the height that cannot determine priority as second using mark first.
In some illustrative embodiment, described in pairing passage, broadcast self seize message, and intercept from described pairing passage other power supply unit seize message before, also include: when there is the described load equipment that needs are powered in the supply district this equipment being detected, start timing with random number.
In some illustrative embodiment, described in seize the numerical value in message be broadcast this seize the timing number in moment of message；
In some illustrative embodiment, the described numerical value seized in message according to this equipment and other power supply unit described and/or mark, determine the rank height of the preempting priority of this equipment, specifically include: according to magnitude relationship at the timing number of synchronization of this equipment and other power supply unit described, it is determined that the rank height of the preempting priority of this equipment.
In some illustrative embodiment, the composition of described mark is to there being a weighted value.Wherein, mark can be the combination of character (letter, symbol), and the weighted value of its correspondence can be the weight size that the order of the permutation and combination according to character determines mark.Such as define A, B ..., Z order weight successively decrease successively, it is also possible to the definition weight of symbol, do not repeating at this.
In some illustrative embodiment, the described magnitude relationship according to this equipment and other power supply unit described at the timing number of synchronization, determine in the process of rank height of the preempting priority of this equipment, also include: if this equipment is identical in the size of the timing number of synchronization with other power supply unit described, then again carry out the judgement of the rank height of described preempting priority according to described mark.
In some illustrative embodiment, during the described described load equipment that existence needs are powered in the supply district this equipment being detected, timing is started with random number, specifically include: when there is, in the supply district this equipment being detected, the described load equipment needing to be powered, start countdown with random number.
In some illustrative embodiment, described self the message of seizing broadcasted in pairing passage, and from described pairing passage, intercept other power supply unit seize message, meet the following conditions:
Message is seized at random time intervals described in broadcast；
Except broadcast described in seize message except at least one moment, for intercept other power supply unit broadcast seize message.
Wherein, timing is started with random number, it is possible to be from zero to this random number reverse countdown, it is also possible to be to zero countdown with random number；Reverse countdown is such as: power supply unit A, power supply unit B and power supply unit C are detected simultaneously by load equipment, and the random number of power supply unit A is 120s, and the random number of power supply unit B is 112s, and the random number of power supply unit C is 123s；Start simultaneously at timing, power supply unit A broadcasts when 10s and seizes message, this timing number seized in message is 120s-10s, power supply unit B and power supply unit C receives this and seizes message, power supply unit B and power supply unit C carries out the comparison of preempting priority with power supply unit A respectively, now the timing number of power supply unit B is 112s-10s, the timing number of power supply unit C is 123s-10s, if being calculated so that the more little rank of timing number is more high, then the timing number of power supply unit B is less than power supply unit A, the result of determination of power supply unit B is above power supply unit A, the timing number of power supply unit C is more than power supply unit A, the result of determination of power supply unit C is less than power supply unit A；Power supply unit C eliminates voluntarily, stops seizing, wait maximum seize the time after again seize；Power supply unit B sends when 15s and seizes message, and power supply unit A receives and also judges voluntarily, it is determined that rank, lower than power supply unit B, is eliminated voluntarily, stops seizing, wait maximum seize the time after again seize.After 50s, power supply unit B is not detected by the preempting priority of other power supply unit higher than self, it is determined that what obtain load equipment seizes authority.Those skilled in the art, it should be understood that be directed to different timing modes and judgment basis, can set the decision procedure of multiple Different Rule, in view of the above description property embodiment, and other decision procedure is not repeating.
As in figure 2 it is shown, disclose a kind of power supply unit 100, including: when detecting that corresponding load equipment needs to be powered, pairing passage is broadcasted the sending module 101 seizing message of self；When detecting that corresponding load equipment needs to be powered, from described pairing passage, intercept the receiver module 102 seizing message of other power supply unit；Wherein, seize described in message and include the preempting priority broadcasting this power supply unit seizing message；If the preempting priority of self is higher than other power supply unit described, then after receiving the pairing message of corresponding load equipment, conceding described pairing passage, what enter service aisle seizes successfully module 103；If there is the preempting priority of other power supply unit described higher than this equipment self, then conceding described pairing passage, treating maximum to seize after the time arrives, again perform in described pairing passage described broadcast and intercept seize unsuccessfully module 104.
In some illustrative embodiment, described in seize and message include for determining broadcast this numerical value of preempting priority of power supply unit seizing message and/or mark.
In some illustrative embodiment, described power supply unit, also include: according to the numerical value seizing in message of this equipment and other power supply unit described and/or mark, it is determined that the rank determination module 105 of the rank height of the preempting priority of this equipment.
In some illustrative embodiment, power supply unit also includes: when there is the described load equipment that needs are powered in the supply district this equipment being detected, start the timing module 106 of timing with random number.
In some illustrative embodiment, described in seize the numerical value in message be broadcast this seize the timing number in moment of message.
In some illustrative embodiment, described rank determination module is for according to magnitude relationship at the timing number of synchronization of this equipment and other power supply unit described, it is determined that the rank height of the preempting priority of this equipment.
In some illustrative embodiment, the composition of described mark is to there being a weighted value.
In some illustrative embodiment, if to be additionally operable to this equipment identical in the size of the timing number of synchronization with other power supply unit described for described rank determination module, then again carry out the judgement of the rank height of described preempting priority according to described mark.
In some illustrative embodiment, when described timing module is for existing, in the supply district this equipment being detected, the described load equipment needing to be powered, start countdown with random number.
In some illustrative embodiment, described sending module, described in broadcast at random time intervals, seize message.
In some illustrative embodiment, described receiver module, for remove broadcast described in seize message except at least one moment, for intercept other power supply unit broadcast seize message.
Illustrate following with detailed flow process description of the invention embodiment:
Power supply unit has electric energy wireless transmission module, controls module, wakes detection module up, wireless communication module；Wherein, electric energy wireless transmission module is for providing electric energy to load equipment；Control module for the control centre as wireless communication module and electric energy wireless transmission module, it is achieved the control to equipment；Wake detection module up for detecting whether there is the load equipment needing to be powered；Wireless communication module is for carrying out data interaction with load equipment and other power supply unit.
Load equipment has electric energy wireless receiving module, controls module, wake module, wireless communication module, and additionally load equipment can as the internal unit of load, it is also possible to be as the electric energy wireless transmission function peripheral apparatus realizing load；Need to be arranged in corresponding load when as peripheral apparatus；Wherein, wireless receiving module is for receiving the electric energy of power supply unit conveying；Control the control centre of module wireless communication module and electric energy wireless receiving module, it is achieved the control to equipment；Wake module is used for wake-up power supply unit；Wireless communication module is for carrying out data interaction with power supply unit.
In the starting stage, power supply unit and load equipment are in not actuated holding state；
When power supply unit is carried out wake operation by its wake module by load equipment, wherein this wake operation can (namely the wake module of load equipment and the detection module that wakes up of power supply unit adopt all employings to have the Magnet of magnetic force by adopting magnet attraction, when after mutual adhesive, power supply unit realizes waking detection up, wake up from holding state) etc. operation realize, those skilled in the art it should be understood that realizing waking up by magnetic force is an embodiment of the present invention, other operation can also be adopted to realize, such as it is arranged on and power supply unit wakes button up, after using this to wake button up, namely power supply unit knows that there is load equipment needs to be powered.
As it is shown on figure 3, when being directed to a power supply unit and a load equipment, it is possible to realize according to below scheme:
Being powered for it when load equipment wakes power supply unit up, the first voltage only allowing load equipment to start its communication function is wirelessly transferred by power supply unit by transmitting terminal coil；Load equipment receives this first voltage by receiving terminal coil, start its communication function, the control message including the specified operational factor (specified operational factor is including at least having rated operational voltage or may be used to determine out the parameter of rated operational voltage, for instance the model of load equipment, specification etc.) of self is outwards broadcasted；Power supply unit receives and parses through this control message, it is thus achieved that the specified operational factor of load equipment therein, and is second voltage properly functioning for load equipment according to this specified operational factor by the first Voltage Cortrol on transmitting terminal coil；The receiving terminal coil of load equipment receives this second voltage, reaches properly functioning.
In some illustrative embodiment, in order to reduce the noise in communication port (namely realizing the wireless transmission band that data are wirelessly transferred) as far as possible, can according to specific works pattern, multiple communication port is set, such as being directed to the service aisle that each load equipment is arranged, this service aisle is used for being directed to this load equipment and communicates.Additionally, due to the fact that and before power supply, manual pairings operation need not be carried out by user or staff, therefore power supply unit cannot learn the service aisle of load equipment, based on this problem, it is possible to adopts following procedure to guarantee that power supply unit knows the service aisle of load equipment:
Load equipment is after receiving the first voltage, pairing message broadcast in pairing passage (pairing passage is general channels) of the service aisle specified will be included, power supply unit receives this pairing message in pairing passage, determine the service aisle of this load equipment, and switch to this service aisle, receive the control message that load equipment sends.
It addition, its device identification and/or the network address can also be encapsulated in this pairing message by load equipment, in order to power supply unit during receiving control message, carries out identification and determines that this control message is sent by this load equipment from service aisle.
In some illustrative embodiment, owing to power supply unit is a moment, can be only in a kind of communications status, namely state or the state of reception are sent, in order to avoid power supply unit and load equipment are in same communications status, cause pairing message cannot transmit the problem to power supply unit, it is possible to obtain in advance load equipment communication function start the deadline as switching communications status trigger condition, specific as follows:
Power supply unit, after transmission the first voltage, starts timing, before reaching the above-mentioned startup deadline or reaching, the communications status of self is switched to reception state, if this moment self is in reception state, then keep this state to receiving pairing message.
In some illustrative embodiment, voltage required for load equipment can according to its practical operation situation, demand voltage fluctuates at rated operational voltage, in order to simplify load equipment, voltage regulator components is not set on load equipment, this regulatory function can be realized on power supply unit, specific as follows:
After load equipment runs, by the power supply unit that feeds back to real-time for the actual operation parameters of self, power supply unit is adjusted the second voltage of conveying according to this actual operation parameters.
As shown in Figure 4, when being directed to multiple power supply unit and a load equipment, it is possible to realize according to below scheme:
When load equipment wakes multiple power supply unit up simultaneously, multiple power supply units start to seize the power supply authority of load equipment；Such as each power supply unit broadcast self seize message, and intercept other power supply unit seize message；According to some that comprise in message seized seizing message and other power supply unit of self, each power supply unit can be determined that out that the parameter of preempting priority of power supply unit compares, the power supply unit that preempting priority is low is eliminated voluntarily, finishing screen selects unique power supply unit, down-stream is identical with program when being directed to a power supply unit and a load equipment, is not repeating at this.
Additionally, in the process seized, the message of seizing of the broadcast of power supply unit self is to broadcast at random time intervals, and other moment power supply unit is in reception state, avoid existing between multiple power supply unit broadcast simultaneously and seize message, cause mutual seizing message and cannot receiving.
Preferably, the message of seizing of power supply unit includes and starts timing when being waken up with random number, and broadcasting timing number when this seizes message, the magnitude relationship according to timing number, it is determined that the rank height of preempting priority.If in one of them moment set, power supply unit is not received by preempting priority and seizes message more than self, then judge that self obtains the power supply authority of load equipment.
Preferably, the communication function of load equipment be built-in with the pairing time (start timing to the moment judging power supply authority) in random number, prestoring start the random value that deadline, pairing time and each power supply unit are variant.Reach corresponding time point, perform corresponding operation.
If obtaining the power supply unit of power supply authority when timing number reaches maximum, not receiving the pairing message of load equipment, then, time again with nonce count, again seizing and down-stream.
It addition, those skilled in the art it should be understood that, a power supply unit and a load equipment are operated, it is also possible to same employing is for the workflow of multiple power supply units and a load equipment.
It addition, being directed to multiple complete set of equipments (there is power supply unit and the load equipment of corresponding relation) simultaneously need to when carrying out wireless power, in order to avoid intersecting mispairing, it is proposed to a kind of method for pre-emptively to pairing passage, it is possible to realize according to below scheme:
When multiple load equipments wake multiple power supply units of its correspondence up simultaneously, multiple power supply units start to seize pairing passage；Such as each power supply unit broadcast self seize message, and intercept other power supply unit seize message；According to some that comprise in message seized seizing message and other power supply unit of self, each power supply unit can be determined that out that the parameter of preempting priority of power supply unit compares, the power supply unit that preempting priority is low is eliminated voluntarily, finishing screen selects unique power supply unit, down-stream is identical with program when being directed to a power supply unit and a load equipment, is not repeating at this.Seize the power supply unit of failure maximum seize the time after, again pairing passage is seized.
Additionally, in the process seized, the message of seizing of the broadcast of power supply unit self is to broadcast at random time intervals, and other moment power supply unit is in reception state, avoid existing between multiple power supply unit broadcast simultaneously and seize message, cause mutual seizing message and cannot receiving.
Preferably, the message of seizing of power supply unit includes and starts timing when being waken up with random number, and broadcasting timing number when this seizes message, the magnitude relationship according to timing number, it is determined that the rank height of preempting priority.If in one of them moment set, power supply unit is not received by preempting priority and seizes message more than self, then judge that self obtains the power supply authority of load equipment.
Preferably, the communication function of load equipment be built-in with the pairing time (start timing to the moment judging power supply authority) in random number, prestoring start the random value that deadline, pairing time and each power supply unit are variant.Reach corresponding time point, perform corresponding operation.
If obtaining the power supply unit of power supply authority when timing number reaches maximum, not receiving the pairing message of load equipment, then, time again with nonce count, again seizing and down-stream.
It addition, those skilled in the art it should be understood that, a power supply unit and a load equipment are operated, it is also possible to same employing is for the workflow of many complete equipments.
The explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, all will change in specific embodiments and applications, in sum, this specification content should not be construed as limitation of the present invention.
Claims (12)
1. the passage method for pre-emptively of a wireless electric energy transmission system, it is characterised in that for power supply unit, including:
When detecting that corresponding load equipment needs to be powered, pairing passage broadcasts self message of seizing, and from described pairing passage, intercept other power supply unit seize message；
Wherein, seize described in message and include the preempting priority broadcasting this power supply unit seizing message；
If the preempting priority of self is higher than other power supply unit described, then after receiving the pairing message of corresponding load equipment, concede described pairing passage, enter service aisle；
If there is the preempting priority of other power supply unit described higher than this equipment self, then conceding described pairing passage, treating maximum to seize after the time arrives, again in described pairing passage, perform described broadcast and intercept.
2. passage method for pre-emptively according to claim 1, it is characterised in that described in seize and message include for determining broadcast this numerical value of preempting priority of power supply unit seizing message and/or mark；
The numerical value seized in message according to this equipment and other power supply unit described and/or mark, it is determined that the rank height of the preempting priority of this equipment.
3. power supply authority method for pre-emptively according to claim 2, it is characterised in that in described self the message of seizing broadcasted in pairing passage, and intercept from described pairing passage other power supply unit seize message before, also include:
When there is, in the supply district this equipment being detected, the described load equipment needing to be powered, start timing with random number；
The described numerical value seized in message is the timing number broadcasting this moment seizing message；
The described numerical value seized in message according to this equipment and other power supply unit described and/or mark, it is determined that the rank height of the preempting priority of this equipment, specifically include:
According to magnitude relationship at the timing number of synchronization of this equipment and other power supply unit described, it is determined that the rank height of the preempting priority of this equipment.
4. power supply authority method for pre-emptively according to claim 3, it is characterised in that the composition of described mark is to there being a weighted value；
The described magnitude relationship according to this equipment and other power supply unit described at the timing number of synchronization, it is determined that in the process of the rank height of the preempting priority of this equipment, also include:
If this equipment is identical in the size of the timing number of synchronization with other power supply unit described, then again carry out the judgement of the rank height of described preempting priority according to described mark.
5. power supply authority method for pre-emptively according to claim 3, it is characterised in that during the described described load equipment that existence needs are powered in the supply district this equipment being detected, start timing with random number, specifically include:
When there is, in the supply district this equipment being detected, the described load equipment needing to be powered, start countdown with random number.
6. power supply authority method for pre-emptively according to claim 1, it is characterised in that described self the message of seizing broadcasted in pairing passage, and from described pairing passage, intercept other power supply unit seize message, meet the following conditions:
Message is seized at random time intervals described in broadcast；
Except broadcast described in seize message except at least one moment, for intercept other power supply unit broadcast seize message.
7. a power supply unit, it is characterised in that including:
Sending module, for when detecting that corresponding load equipment needs to be powered, that broadcasts self in pairing passage seizes message；
Receiver module, for when detecting that corresponding load equipment needs to be powered, that intercepts other power supply unit from described pairing passage seizes message；
Wherein, seize described in message and include the preempting priority broadcasting this power supply unit seizing message；
Seize successfully module, if the preempting priority for self is higher than other power supply unit described, then after receiving the pairing message of corresponding load equipment, concedes described pairing passage, enter service aisle；
Seize unsuccessfully module, if for there is the preempting priority of other power supply unit described higher than this equipment self, then conceding described pairing passage, treating maximum to seize after the time arrives, again in described pairing passage, perform described broadcast and intercept.
8. power supply unit according to claim 7, it is characterised in that described in seize and message include for determining broadcast this numerical value of preempting priority of power supply unit seizing message and/or mark；
Described power supply unit, also includes:
Rank determination module, for the numerical value seized in message according to this equipment and other power supply unit described and/or mark, it is determined that the rank height of the preempting priority of this equipment.
9. power supply unit according to claim 8, it is characterised in that also include:
Timing module, during for there is, in the supply district this equipment being detected, the described load equipment needing to be powered, starts timing with random number；
The described numerical value seized in message is the timing number broadcasting this moment seizing message；
Described rank determination module is for according to magnitude relationship at the timing number of synchronization of this equipment and other power supply unit described, it is determined that the rank height of the preempting priority of this equipment.
10. power supply unit according to claim 9, it is characterised in that the composition of described mark is to there being a weighted value；
If it is identical in the size of the timing number of synchronization with other power supply unit described that described rank determination module is additionally operable to this equipment, then again carry out the judgement of the rank height of described preempting priority according to described mark.
11. power supply unit according to claim 9, it is characterised in that when described timing module is for existing, in the supply district this equipment being detected, the described load equipment needing to be powered, start countdown with random number.
12. power supply unit according to claim 7, it is characterised in that described sending module, described in broadcast at random time intervals, seize message；
Described receiver module, for remove broadcast described in seize message except at least one moment, for intercept other power supply unit broadcast seize message.
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| CN201410851244.0A CN105811593B (en) | 2014-12-31 | 2014-12-31 | Channel seizing method of electric energy wireless transmission system and power supply equipment |
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| CN111194094A (en) * | 2019-12-20 | 2020-05-22 | 杭州芯创智联科技有限公司 | Method for wireless communication link connection |
| CN113115277A (en) * | 2020-01-10 | 2021-07-13 | 奉加微电子（上海）有限公司 | Automatic association pairing system and method for ammeter and circuit breaker |
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| CN111194094A (en) * | 2019-12-20 | 2020-05-22 | 杭州芯创智联科技有限公司 | Method for wireless communication link connection |
| CN113115277A (en) * | 2020-01-10 | 2021-07-13 | 奉加微电子（上海）有限公司 | Automatic association pairing system and method for ammeter and circuit breaker |
| CN113115277B (en) * | 2020-01-10 | 2024-03-15 | 奉加科技(上海)股份有限公司 | Automatic association pairing system and method for ammeter and circuit breaker |
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| CN105811593B (en) | 2020-12-29 |
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