CN201829029U - System for preventing article from losing and wireless node equipment for the system - Google Patents
System for preventing article from losing and wireless node equipment for the system Download PDFInfo
- Publication number
- CN201829029U CN201829029U CN200920218047XU CN200920218047U CN201829029U CN 201829029 U CN201829029 U CN 201829029U CN 200920218047X U CN200920218047X U CN 200920218047XU CN 200920218047 U CN200920218047 U CN 200920218047U CN 201829029 U CN201829029 U CN 201829029U
- Authority
- CN
- China
- Prior art keywords
- wireless node
- node apparatus
- control unit
- article
- micro
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000007689 inspection Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 description 20
- 230000004044 response Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 238000012545 processing Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
Landscapes
- Emergency Alarm Devices (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model discloses a system for preventing article from losing and the wireless node equipment that is used for this system, this system include two at least wireless node equipment, and wherein, wireless node equipment arranges on the article that the user wants to prevent the loss, include: the system comprises a power supply, a micro control unit, a radio frequency transceiver and an alarm, wherein the power supply is used for supplying electric energy required by work to the micro control unit, the radio frequency transceiver and the alarm; the micro control unit is used for controlling the radio frequency transceiver to send or receive radio frequency signals, determining whether articles are lost according to the state of information received by the radio frequency transceiver, and controlling the alarm to prompt users when the articles are lost, so that the articles are effectively prevented from being lost. Meanwhile, when the user leaves and omits the articles, the wireless node equipment arranged on the omitted articles can also send out prompt signals to prompt the user to bring the articles together.
Description
Technical field
The utility model relates to a kind of system that prevents that article from losing, more in particular to a kind of system that prevents the article loss and the wireless node apparatus that is used for this system based on radio net.
Background technology
Along with The development in society and economy, individual's belongings are more and more, by former wallet, key to now mobile phone, notebook computer, palm PC etc., article preciousness further not only, and wherein also comprised a large amount of personal information, even contain company profile.In case stolen or loss, except monetary loss, personal information or company profile also leak most probably fully, and the consequence of bringing thus will be unable to estimate.
Object search tools all over the world generally only provides point-to-point unidirectional search function now.The user can only be when needs (for example find that article lose), start search tools and seek article, and can not be when losing automatically prompting user, if article have been lost for a long time, often can't recover the article of loss.Wherein, typical search tools is the product of the The WhereWolf TwoWay Locator by name of U.S. Unitlution company exploitation, and this product contains a pair of transmitting node, for example, the user can put the node of card-shape in the wallet into, the another one node is arranged in the key chain, and key is packed in the described key chain, when the user fails to find wallet, then press seek button on the key, when searching wallet, the node in the wallet just can send sound, looks for assisting users.Described product assisting users is under certain condition looked for lost article, but can not when losing, in time automatically remind article the user, thereby can't prevent the article loss, and in most of the cases, when the user found lost objects, the time was for a long time over and done with, even the user has changed a plurality of places, therefore, be difficult to recover lost article usually.
Summary of the invention
The purpose of this utility model is to provide a kind of wireless node apparatus that prevents the system that article are lost and be used for this system, can in time automatically point out the user when article leave the efficient communication scope of system, thereby prevents that article from losing or omission.
For this reason, the utility model provides a kind of system that prevents that article from losing, this system comprises at least two wireless node apparatus, described wireless node apparatus is used to be arranged in the user and desires to prevent the article lost, connect with intercommunication mutually by Radio Link, determine according to the state that communicates with one another whether article are lost, and when article are lost, point out the user;
Wherein, described wireless node apparatus comprises:
Micro-control unit is used to control radio-frequency (RF) transceiver and sends or received RF signal, and determines according to the state of described radio-frequency (RF) transceiver reception information whether article are lost, and the control warning horn is pointed out the user when article are lost;
Radio-frequency (RF) transceiver is connected with described micro-control unit, is used for sending or received RF signal under the control of described micro-control unit;
Warning horn is connected with described micro-control unit, is used for sending alerting signal to the user under the control of described micro-control unit;
Power supply is connected respectively with described micro-control unit, radio-frequency (RF) transceiver and warning horn, is used for providing work required electric energy to described micro-control unit, radio-frequency (RF) transceiver and warning horn.
Correspondingly, the utility model also provides a kind of wireless node apparatus that prevents that article from losing, and this wireless node apparatus is applied to the above-mentioned system that article are lost that prevents, described wireless node apparatus comprises:
Micro-control unit is used to control radio-frequency (RF) transceiver and sends or received RF signal, and determines according to the state of described radio-frequency (RF) transceiver reception information whether article are lost, and the control warning horn is pointed out the user when article are lost;
Radio-frequency (RF) transceiver is connected with described micro-control unit, is used for sending or received RF signal under the control of described micro-control unit;
Warning horn is connected with described micro-control unit, is used for sending alerting signal to the user under the control of micro-control unit;
Power supply is connected respectively with described micro-control unit, radio-frequency (RF) transceiver and warning horn, is used for providing work required electric energy to described micro-control unit, radio-frequency (RF) transceiver and warning horn.
According to a kind of wireless node apparatus that prevents the system that article are lost and be used for this system of the present utility model, by wireless node apparatus being arranged on the article that the user desires to prevent to lose, and intercom mutually by Radio Link between the wireless node apparatus, each wireless node apparatus determines according to the state of the information of reception whether its corresponding article are lost, when definite article are lost, corresponding wireless node apparatus sends cue on the article of losing, in time automatically to point out the user to recover this article, thereby prevented the loss of article, also solved in the prior art because the variation oversize or customer location of loss time causes recovering the problem of lost article.Simultaneously, when the user went out the omission article, the wireless node apparatus of arranging on the article of omission also can send cue, and the prompting user brings all article.
Description of drawings
Fig. 1 shows a kind of network architecture diagram that prevents the system that article are lost of the present utility model;
Fig. 2 shows the embodiment 1 of wireless node apparatus of the present utility model;
Fig. 3 shows the embodiment 1 of the micro-control unit of wireless node apparatus of the present utility model;
Fig. 4 shows the embodiment 2 of wireless node apparatus of the present utility model;
Fig. 5 shows the embodiment 2 of the micro-control unit of wireless node apparatus of the present utility model;
Fig. 6 shows the embodiment 3 of wireless node apparatus of the present utility model;
Fig. 7 shows a kind of mode switch process flow diagram that prevents the system that article are lost of the present utility model;
Fig. 8 shows a kind of workflow diagram of system works under initial modes that prevents that article from losing of the present utility model;
Fig. 9 shows the transmitting-receiving sequential of each wireless node apparatus in the system that prevents the article loss shown in Figure 1;
Figure 10 a shows the workflow diagram of wireless node apparatus A under normal mode in the system that prevents the article loss shown in Figure 1;
Figure 10 b shows the workflow diagram of wireless node apparatus B under normal mode in the system that prevents the article loss shown in Figure 1;
Figure 10 c shows the workflow diagram of wireless node apparatus C under normal mode in the system that prevents the article loss shown in Figure 1;
Figure 11 shows a kind of workflow diagram of system under the loss pattern that prevents that article from losing of the present utility model;
Figure 12 shows a kind of system of article loss that prevents of the present utility model at the workflow diagram that leaves under the pattern.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in detail below in conjunction with accompanying drawing.
Referring to Fig. 1, wherein illustrate a kind of network structure that prevents the system that article are lost of the present utility model.Described system comprises 3 wireless node apparatus, is respectively wireless node apparatus A, wireless node apparatus B and wireless node apparatus C.These wireless node apparatus are arranged on the different article that the user desires to prevent to lose, as key chain, wallet, mobile phone chain, palm PC, cards folder etc., and connect by Radio Link between each wireless node apparatus, exchange message is to confirm whether article are lost mutually, and when article are lost the prompting user, particularly, during information errors that other radio nodes that do not receive the response of other equipment or receive after certain wireless node apparatus does not receive the information that other wireless node apparatus send or sends information send, this wireless node apparatus is determined its corresponding article loss, and send early warning signal to the user, for example send " serge serge " sound, playing back music etc., can also flash, so that the user seeks the article of losing at night, correspondingly, other wireless node apparatus are not received information that this wireless node apparatus sends or the information errors that receives yet, also can send early warning signal to the user, thereby realize an article loss, wireless node apparatus on all article all sends prompting automatically, learns the article loss to guarantee the user.
For example: the user can be arranged in wireless node apparatus A on the key chain, wireless node apparatus B is arranged on the mobile phone chain and with wireless node apparatus C is arranged in the wallet, send message mutually according to default transmitting-receiving sequential between wireless node apparatus A, wireless node apparatus B and the wireless node apparatus C, carried this sender of the message's device id in the described message.When the user has lost key chain because of carelessness, cause the wireless node apparatus A on the key chain to leave its efficient communication scope, in the time of can't receiving the message that wireless node apparatus B and wireless node apparatus C send, wireless node apparatus A determines its corresponding article loss, at this moment, wireless node apparatus B and wireless node apparatus C also can determine that article lose according to not receiving message that wireless node apparatus A sends, thereby these 3 wireless node apparatus all send " serge serge " sound immediately, and the ruddiness that constantly glimmers has article to lose with the prompting user, and at this moment the user can recover the article of loss according to the ruddiness of " serge serge " sound or flicker.Wherein, the efficient communication scope that can be provided with between the wireless node apparatus is a 3-10 rice, preferably be set to 5 meters, those skilled in the art can be set to other values flexibly according to actual conditions certainly, is not limited to described 3-10 rice, it should be noted that, described communication range is provided with when too small, can cause wireless node apparatus frequently to be reported to the police, and causes puzzlement to the user, and be provided with when excessive, the alerting signal that may cause wireless node apparatus to send can not be pointed out the user effectively.
Need to prove, it will be understood by those of skill in the art that the number of wireless node apparatus in the described system can desire to prevent that the number of the article lost is provided with flexibly according to the user, and be not limited to 3 wireless node apparatus shown in Figure 1.
Referring to Fig. 2, wherein illustrate the embodiment 1 of wireless node apparatus of the present utility model.In this example, wireless node apparatus comprise power supply 21, micro-control unit (Micro Controller Unit, MCU) 22, radio-frequency (RF) transceiver 23 and warning horn 24.
Wherein, power supply 21 is connected respectively with micro-control unit 22, radio-frequency (RF) transceiver 23 and warning horn 24, and power supply 21 is used for providing work required electric energy to micro-control unit 22, radio-frequency (RF) transceiver 23 and warning horn 24;
Referring to Fig. 3, wherein illustrate the embodiment 1 of micro-control unit in the utility model wireless node apparatus.In the present embodiment, micro-control unit comprises transmitting-receiving sequential control subelement 221, the advisory frequency control sub unit 223 of losing judgment sub-unit 222 and being connected with loss judgment sub-unit 222.
Transmitting-receiving sequential control subelement 221 is used to control the transmission of radio-frequency (RF) transceiver 23 and receives sequential, so that cooperate with the reception and the transmission of other wireless node apparatus, particularly, each wireless node apparatus all can be arranged a transmitting time in each cycle, be used to send the radiofrequency signal of carrying self information, wherein self information includes but not limited to that (Identification, ID) or state, all the other times are used to receive the radiofrequency signal that other wireless node apparatus send in device identification.As shown in Figure 9, in one-period, the transmitting-receiving sequential is between wireless node apparatus A, wireless node apparatus B and the wireless node apparatus C: in first time slot, wireless node apparatus A sends radiofrequency signal, wireless node apparatus B and wireless node apparatus C received RF signal; In second time slot, wireless node apparatus B sends radiofrequency signal, wireless node apparatus A and wireless node apparatus C received RF signal; In the 3rd time slot, wireless node apparatus C sends radiofrequency signal, wireless node apparatus A and wireless node apparatus B received RF signal.
Lose judgment sub-unit 222 and be used to judge whether radio-frequency (RF) transceiver 23 receives the radiofrequency signal that other wireless node apparatus send, if the judgment is No, then determine the article loss, if the judgment is Yes, judge further then whether the information that described radiofrequency signal is carried is lost with definite article, and when definite article are lost, notify advisory frequency control sub unit 223.Particularly, with wireless node apparatus B is example, in first time slot, it is lost judgment sub-unit 222 and judges whether radio-frequency (RF) transceiver receives radiofrequency signal, after receiving radiofrequency signal, the ID A (ID A is the device id of wireless node apparatus A) of the wireless node apparatus A of the device id that carries in the radiofrequency signal that radio-frequency (RF) transceiver 23 is received and self configuration makes comparisons, if it is consistent, then normal, otherwise being defined as article loses, enter the loss pattern, notice advisory frequency control sub unit 223.If certainly wireless node apparatus B does not receive response after other wireless node apparatus send radiofrequency signals, perhaps receive response after, the device id that carries in the response is inconsistent with the device id of self configuration, also can determine the article loss.
Advisory frequency control sub unit 223 is used for when loss judgment sub-unit 222 is determined the article loss, control warning horn 24 sends early warning signal according to predetermined advisory frequency, preferably, loss time control warning horn 24 according to article sends early warning signal according to predetermined advisory frequency, for example: article are just lost, then control warning horn 24 and send early warning signal prompting user according to higher frequency, allow the user in the shortest time, recover lost article, otherwise, if article are lost a period of time, then control warning horn and send early warning signal more weak or that be interrupted, can reduce power consumption like this.Particularly, advisory frequency control sub unit 223 can realize by losing timer, when determining the article loss, open the loss timer and carry out timing, if lose the timer clocking value greater than predefined first threshold (as 30 seconds), then control warning horn 23 and send early warning signal to the user according to higher frequency, surpass second threshold value (as 1 minute) if lose the timer clocking value, and the user does not press stop key (being that the user does not also know the article loss), then lower advisory frequency to reduce power consumption, when the user presses stop key, represent that then the user has recognized the article loss, stops prompting.Wherein, it will be understood by those of skill in the art that the first threshold and second threshold value can be provided with flexibly according to practical application, first threshold for example be set be 15 seconds, second threshold value is 30 seconds, it is 1 minute that first threshold perhaps is set, and second threshold value is 90 seconds, repeats no more here.
In another kind of embodiment of the present utility model, described micro-control unit is except comprising transmitting-receiving sequential control subelement 221, losing judgment sub-unit 222 and the advisory frequency control sub unit 223, can also comprise and leave the pattern subelement, be used to start idle timer, and close warning horn 24 in during the timing of this idle timer.Like this, the user can be with certain article from system separately, and system is not created disturbances to thereby can not cause the user within a certain period of time not to user prompt, and when user's belongings were got back to system once more, system will monitor these article automatically again.
Referring to Fig. 4, wherein illustrate the embodiment 2 of wireless node apparatus of the present utility model.In this example, wireless node apparatus also comprises low electric weight detecting unit 25 and/or intelligent inspection unit 26 except comprising power supply 21, micro-control unit 22, radio-frequency (RF) transceiver 23 and warning horn 24.Wherein, the function of power supply 21, micro-control unit 22, radio-frequency (RF) transceiver 23 and warning horn 24 is identical with embodiment 1 with annexation, repeats no more here, describes low electric weight detecting unit 25 and intelligent inspection unit 26 below in detail.
Low electric weight detecting unit 25 is connected respectively with warning horn 24 with power supply 21, be used to detect the electric weight of power supply 21, when the electric weight that detects power supply 21 is lower than predetermined threshold, the control wireless node apparatus enters battery saving mode, and startup warning horn 24 sends early warning signal with prompting user power supply deficiency, needs replacing power supply.
Those skilled in the art is to be understood that, above-mentioned low electric weight detecting unit 25 and intelligent inspection unit 26 also can be expanded and realize by micro-control unit being carried out function, therefore, referring to Fig. 5, wherein illustrate the embodiment 2 of micro-control unit of the present utility model.
As shown in Figure 5, micro-control unit also comprises except comprising embodiment 1 described transmitting-receiving sequential control subelement 221, losing judgment sub-unit 222 and the advisory frequency control sub unit 223:
Low electric weight detection sub-unit 224 is used to detect the electric weight of power supply 21, and when the electric weight that detects power supply 21 was lower than predetermined threshold, the control wireless node apparatus entered battery saving mode, and starts warning horn 24 and send early warning signal and change power supply with the prompting user;
Intelligence is checked subelement 225, be connected with loss judgment sub-unit 222, be used for when the user enables this intelligence inspection subelement (as pressing the button that intelligence is checked the subelement correspondence), according to losing the information that judgment sub-unit 222 is handled, device id for example, determine the number of wireless node apparatus in the system, and control warning horn according to the number that is checked through and send cue to the user, the number of for example representing wireless node apparatus in the system by the number of times of the voice signal that sends, whether number of articles in the user grasp system at any time like this is so that it is complete to understand article.
It will be understood by those of skill in the art that in embodiment 2 micro-control unit can also comprise equally and leave the pattern subelement that its function and principle of work are same as described above, no longer repeat here.
Referring to Fig. 6, wherein illustrate the embodiment 3 of wireless node apparatus of the present utility model.In this example, power supply 21 is used for to micro-control unit 22, radio-frequency (RF) transceiver 23 with by loudspeaker 241 and light emitting diode (Light Emitting Diode, LED) the 242 warning horns power supplies that constitute.Need to prove, it will be understood by those of skill in the art that warning horn described in the utility model also can be had the product realization of prompt facility, for example hummer, Vib. etc. by other.
In this example, radio-frequency (RF) transceiver 23 comprises antenna, wireless diplexer 231, wireless receiver 232, transmitting set 233, modulator 234 and detuner 235.
The output terminal 606 of wireless receiver 232 is connected with the input end 608 of detuner 234, when micro-control unit 22 according to the configuration transmitting-receiving sequential control radio-frequency (RF) transceiver 23 received RF signals the time, wireless receiver 232 is input to detuner 234 with the radiofrequency signal that receives and carries out demodulation process; The output terminal 610 of detuner 234 is connected with the input end 612 of micro-control unit 22, fundamental signal after the demodulation process is input in the micro-control unit 22 handles, comprise and decode and the information that decoding obtains is discerned processing (that is: judging whether the information receive is consistent with the information of configuration), determine by information Recognition whether article are lost, identical with the description of enforcement 1 and embodiment 2, repeat no more here.When definite article are lost, loudspeaker 241 and light emitting diode 242 that micro-control unit 22 controls are attached thereto send cue, so not only utilize acoustical signal prompting user, also utilize light signal prompting user simultaneously, especially in night or the darker place of light, help the user to recover the article of loss.
The output terminal 613 of micro-control unit 22 is connected with the input end 611 of modulator 235, when micro-control unit 22 sends radiofrequency signals according to the transmitting-receiving sequential control radio-frequency (RF) transceiver 23 that disposes, micro-control unit 22 outputs to modulator 235 and carries out modulation treatment after the device id of this wireless node apparatus is encrypted; The output terminal 609 of modulator 235 is connected with the input end 607 of transmitting set 233, the modulation signal after the modulation is sent to transmitting set 233 handle; The output terminal 605 of transmitting set 233 is connected with the 3rd end 603 of wireless diplexer, obtains radiofrequency signal after then transmitting set 233 being handled and sends to wireless diplexer 231, and go out through antenna transmission.
Need to prove, those skilled in the art is to be understood that, in case of necessity, can in a kind of wireless node apparatus of the present utility model, wave filter, amplifier, analog to digital converter, digital to analog converter etc. be set, repeat no more here according to the known technology of this area.
In a kind of embodiment of the present utility model, the frequency of radiofrequency signal is 2.4GHz, maximum radio frequency power is 0dBm, modulation technique is Binary Frequency Shift Keying (2-FSK) technology, those skilled in the art is to be understood that, this is a preferred embodiment, and the utility model is not limited thereto.
Below elaborated a kind of system that article are lost and structure and principle of work that is applied in the wireless node apparatus in this system of preventing of the present utility model in the mode of specific embodiment in conjunction with the drawings, set forth the course of work that prevents the system that article are lost of the present utility model below in conjunction with process flow diagram is concrete.
Succinct in order to describe below, in part embodiment, will " prevent the system that article are lost " and be called " system ", " wireless node apparatus " is called " node ", therefore, those skilled in the art is to be understood that, term in the utility model " prevents the system that article are lost " and " system " refers to same target, and term " wireless node apparatus " and " node " refer to same target.
Referring to Fig. 7, wherein illustrate a kind of mode switch process flow diagram that prevents the system that article are lost of the present utility model;
According to a kind of system that prevents that article from losing of the present utility model, its mode of operation comprises initial modes (Initialize mode), normal mode (Normal mode), loss pattern (Lost mode) and leaves pattern (Leave mode), specifies respectively below.
Initial modes: in this pattern, wireless node apparatus can be by the initial wireless node apparatus of looking for its phase configuration of its separate equipment ID (being title and numbering), definition transmitting-receiving sequential and method.
Normal mode: generally speaking, system can be in this pattern, each wireless node apparatus can communicate with exchange message by the sequential of initial modes definition, and whether the micro-control unit of described wireless node apparatus sends prompting to the user according to the information decision that receives, and promptly sends early warning signal.
Loss pattern: if having any one wireless node apparatus to fail to respond within the predetermined time in the system, system just can enter the loss pattern, in this pattern, the loss time that does not receive the wireless node apparatus of response can go on record, if the loss time is greater than the predetermined first threshold of system, then be defined as this wireless node apparatus (or corresponding article) and lose, and in time automatically send prompting to the user.
Leave pattern: the user can under the complete situation of article, press on the wireless node apparatus with the corresponding button of the pattern of leaving; system just can allow this wireless node apparatus away from keyboard and do not send prompting; do not create disturbances to thereby can not bring the user; in this wireless node apparatus was got back to the protection domain (that is: efficient communication scope) of system, system can allow wireless node apparatus insert automatically again.
System can switch between various patterns in the different communication periods or according to different conditions, and idiographic flow sees also Fig. 7, comprising:
Step S100, each wireless node apparatus all can enter initial modes in the system when opening, and send self the device id that is distributed to other wireless node apparatus, and receive the response (having carried the device id of respective wireless node device in this response) of other wireless node apparatus, after the other side receives described device id, can be according to certain Rulemaking order of communicating by letter in the future, and definition is the time of communication next time, till not having other wireless node apparatus responses, detailed process sees also Fig. 8;
Step S200, the response of whether receiving any wireless node apparatus is if then forward step S300 to, otherwise return step S100;
Step S300, system defines article and needs protection, and system will enter normal mode, and detailed process please refer to sees Figure 10 a-10c;
Whether step S400, system can real-time judge leave request, when the user under normal mode, push button (this button with leave pattern corresponding) send and leave when asking, will forward step S500 to, otherwise, forward step S700 to;
Step S500, system receive the user under normal mode, push button send leave request after, enter the pattern of leaving, under this pattern, will close warning horn, thereby not send prompting to the user, specifically see also Figure 12;
Step S600, system judge whether the wireless node apparatus that leaves returns, if, then turn back to step S100, again this wireless node apparatus is inserted definition communication sequential;
Step S700 leaves when request when not receiving, continues to judge whether that all wireless node apparatus all exist, if then return step S300, otherwise enter step S800;
Step S800 is in case when one or more wireless node apparatus disappeared in the discovery system, system just can enter the loss pattern, specifically sees also Figure 11;
Whether step S900 in given time, has wireless node apparatus to occur, if then return step S300, otherwise return step S800 in the system.
Referring to Fig. 8, wherein illustrate a kind of process flow diagram of system works under initial modes that prevents that article from losing of the present utility model; Under initial modes, be example with one of them wireless node apparatus, following processing is done by system:
Step S101 is to the device id of other wireless node apparatus transmissions self;
Step S102, the response of whether receiving other wireless node apparatus is if then enter step S103, otherwise return step S101;
Step S103, according to the number of wireless node apparatus in the definite system of response, and according to certain regulation arrangement communication sequential (that is: transmitting-receiving sequential);
Particularly, can formulate the transmitting-receiving sequential according to the size of the device id of each wireless node apparatus.In this example, be example with 3 wireless node apparatus shown in Figure 1, it receives and dispatches sequential as shown in Figure 9, and in first time slot, wireless node apparatus A sends radiofrequency signal, wireless node apparatus B and wireless node apparatus C received RF signal; In second time slot, wireless node apparatus B sends radiofrequency signal, wireless node apparatus A and wireless node apparatus C received RF signal; In the 3rd time slot, wireless node apparatus C sends radiofrequency signal, wireless node apparatus A and wireless node apparatus B received RF signal.
Step S104, the definition communication cycle also promptly defines the time of communication next time;
Step S105, the response that continues to judge whether to receive other wireless node apparatus in this process is if then return step S104, otherwise the initial modes end enters normal mode.
With system shown in Figure 1 is example, wherein 3 wireless node apparatus are all handled according to flow process shown in Figure 8 in initial modes, enter normal mode then, at this moment, the device id of the wireless node apparatus B of communication, the device id of wireless node apparatus C have with it been disposed on the wireless node apparatus A, dispose the device id of the wireless node apparatus A of communication, the device id of wireless node apparatus C with it on the wireless node apparatus B, disposed the device id of the wireless node apparatus B of communication, the device id of wireless node apparatus A with it on the wireless node apparatus C.
Succinct in order to describe, the device id of wireless node apparatus A, wireless node apparatus B and wireless node apparatus C is expressed as ID A, ID B and ID C respectively.
Referring to Figure 10 a, wherein illustrate the workflow diagram of wireless node apparatus A under normal mode in the system that prevents the article loss shown in Figure 1; Under normal mode, wireless node apparatus A does following processing:
Step S311, according to the transmitting-receiving sequential (as shown in Figure 9) of definition, wireless node apparatus A sends the device id of himself to wireless node apparatus B and wireless node apparatus C in first time slot, particularly, device id is encapsulated as message, and is that carrier sends with the radiofrequency signal;
Step S312 in second time slot and the 3rd time slot of transmitting-receiving sequential, waits for the response that receives other wireless node apparatus;
Step S313 determines whether the device id in this response is correct when receiving response, for example receive the response of wireless node apparatus B, judges whether the device id in this response is ID B, if then enter step S314, otherwise enter step S315;
Step S314 waits for entering other communication cycles;
Step S315 enters the loss pattern.
Referring to Figure 10 b, wherein illustrate the workflow diagram of wireless node apparatus B under normal mode in the system that prevents the article loss shown in Figure 1; Under normal mode, wireless node apparatus B does following processing:
Step S321, according to the transmitting-receiving sequential (as shown in Figure 9) of definition, wireless node apparatus B waits in first time slot and receives message (in this example, message is carrier with the radiofrequency signal);
Step S322 judges whether the device id in the message that receives is ID A, if then enter step S323, otherwise enter step S329;
Step S323 is provided with next call duration time;
Step S324 in second time slot of transmitting-receiving sequential, sends the device id of self, i.e. ID B;
Step S325 in the 3rd time slot of transmitting-receiving sequential, waits for receiving the message that other wireless node apparatus send;
Whether step S326 has message to enter, if then enter step S327, otherwise enter step S329;
Step S327, whether the device id in the message is ID C, if then enter step S328, otherwise enter step S329;
Step S328 waits for next communication cycle;
Step S329 enters the loss pattern.
Referring to Figure 10 c, illustrate wherein that Fig. 1 is described to prevent the workflow diagram of wireless node apparatus C under normal mode in the system that article lose.Under normal mode, wireless node apparatus C does following processing:
Step S331, according to the transmitting-receiving sequential (as shown in Figure 9) of definition, wireless node apparatus C waits in first time slot and second time slot and receives message (in this example, message is carrier with the radiofrequency signal);
Step S332 judges whether the device id in the message is ID B, if then enter step S333, otherwise enter step S336;
Need to prove, radio node B judging in first time slot to wireless node apparatus A, therefore, for conserve system resources, improve processing speed, wireless node apparatus C only judges the device id of radio node B, can certainly judge the device id of wireless node apparatus A once more.
Step S333 is provided with next call duration time;
Step S334 in the 3rd time slot of described transmitting-receiving sequential, sends the device id of self, i.e. ID C;
Step S335 waits for next communication cycle;
Step S336 enters the loss pattern.
The above-mentioned system that only constitutes with 3 wireless node apparatus is an example, set forth the technical solution of the utility model, those skilled in the art will appreciate that described system certainly comprises 2,5,10 or more wireless node apparatus, its treatment scheme is same as described above, repeats no more here.
Referring to Figure 11, wherein illustrate a kind of workflow diagram of system under the loss pattern that prevents that article from losing of the present utility model.Under the loss pattern, the processing of the wireless node apparatus in the described system is as follows:
Step S801 judges whether just to lose, if then enter step S802, otherwise directly enter step S803;
Step S802 opens and loses timer, and enters step S803, and wherein, the description of described loss timer is identical with the corresponding description among the embodiment of above-mentioned wireless node apparatus 1, no longer repeats here;
Step S803 judges that whether the loss time is greater than the schedule time (being above-mentioned first threshold), if then enter step S804, otherwise enter step S808;
Step S804 judges whether the user presses stop key, if then enter step S808, otherwise enter step S805;
Step S805, warning horn send strong alarm, for example send prompting repeatedly;
Step S806 judges that whether the loss time is greater than 1 minute (being the second above-mentioned threshold value), if then enter step S807, otherwise directly enter step S808;
Step S807, warning horn send soft alarm, for example send prompting discontinuously;
Step S808 waits for next communication cycle.
Referring to Figure 12, wherein illustrate a kind of system of article loss that prevents of the present utility model at the workflow diagram that leaves under the pattern.Leaving under the pattern, the processing of the wireless node apparatus in the described system is as follows:
Step S501, user press the allowance key on the wireless node apparatus, this allowance key and this equipment to leave pattern corresponding, show that the user need be with the article band from system;
Step S502 when the user presses the allowance key, then opens idle timer, to carrying out timing standby time;
Step S503 closes warning horn in standby time, thereby can not bring any creating disturbances to the user;
Step S504 judges whether described wireless node apparatus is lost, if then enter step S505, otherwise enter step S506;
Step S505 ignores described wireless node apparatus, enters step S507 then;
Step S506 resets idle timer, enters step S507 then;
Step S507 waits for next communication cycle.
By the description of above specific embodiment as can be known; be arranged on each article that need protection by the wireless node apparatus that will the utility model proposes; and pass through Radio Link or communicating wireless signals between the wireless node apparatus on each article, to realize the purpose of monitoring in real time.Leave the efficient communication scope of system when a certain article, wireless node apparatus on all article all can be immediately with mode automatically prompting users such as sound, light, vibrations, thereby prevent user's lost objects or omit article when going out, avoid because article are lost or omitted and bring loss to the user.
Recognize with it will be apparent to those skilled in that, the utility model is except preventing that general article (stationary article) from losing, can also be applied on child or the pet, for example, the user can hang over a wireless node apparatus and desire to prevent on missing child or the pet, and another wireless node apparatus then places on user's pocket or key chain on one's body, when child or pet leave user's certain limit, system will automatically prompting user, thereby prevents that child or pet wander away.
More than disclosed only be embodiment of the present utility model; only be used for the utility model is illustrated; can not limit the protection domain of the utility model with this; those skilled in the art can carry out various modifications, variation or replacement under the prerequisite that does not break away from the utility model essence; therefore; various equivalent variations according to the utility model is done still belong to the scope that the utility model is contained.
Claims (10)
1. a system that prevents that article from losing is characterized in that, comprises that at least two are used to be arranged in the article that the user desires to prevent to lose, and connects the wireless node apparatus that intercoms with mutually by Radio Link;
Wherein, described wireless node apparatus comprises:
Be used to control radio-frequency (RF) transceiver and send or received RF signal, and determine according to the state of described radio-frequency (RF) transceiver reception information whether article are lost, and the micro-control unit that the control warning horn is pointed out the user when article are lost;
Be connected with described micro-control unit, be used under the control of described micro-control unit sending or the radio-frequency (RF) transceiver of received RF signal;
Be connected with described micro-control unit, be used under the control of described micro-control unit, sending the warning horn of alerting signal to the user;
Be connected respectively with described micro-control unit, radio-frequency (RF) transceiver and warning horn, be used for providing the power supply of the required electric energy of work to described micro-control unit, radio-frequency (RF) transceiver and warning horn.
2. the system as claimed in claim 1 is characterized in that, described wireless node apparatus also comprises:
Be connected respectively with warning horn with described power supply, be used to detect electric quantity of power supply, and control this wireless node apparatus when electric quantity of power supply is lower than predetermined threshold and enter battery saving mode detecting, and start the low electric weight detecting unit that described warning horn sends early warning signal.
3. the system as claimed in claim 1 is characterized in that, described wireless node apparatus also comprises:
Be connected respectively with warning horn with described micro-control unit, be used for checking the number of described system wireless node apparatus, and control the intelligent inspection unit that described warning horn sends cue according to the number that is checked through.
4. as any described system in the claim 1 to 3, it is characterized in that described radio-frequency (RF) transceiver comprises: antenna, wireless diplexer, wireless receiver, transmitting set, modulator, detuner, wherein,
First end of described wireless diplexer is connected with described antenna, and its second end is connected with the input end of described wireless receiver, and its 3rd end is connected with the output terminal of described transmitting set;
The output terminal of described wireless receiver is connected with the input end of described detuner, and the output terminal of described detuner is connected with the input end of described micro-control unit;
The input end of described transmitting set is connected with the output terminal of described modulator, and the input end of described modulator is connected with the output terminal of described micro-control unit.
5. system as claimed in claim 4 is characterized in that, described warning horn comprises one of following or combination in any: light emitting diode, hummer, loudspeaker, Vib..
6. wireless node apparatus that prevents that article from losing is characterized in that this wireless node apparatus comprises:
Be used to control radio-frequency (RF) transceiver and send or received RF signal, and determine according to the state of described radio-frequency (RF) transceiver reception information whether article are lost, and the micro-control unit that the control warning horn is pointed out the user when article are lost;
Be connected with described micro-control unit, be used under the control of described micro-control unit sending or the radio-frequency (RF) transceiver of received RF signal;
Be connected with described micro-control unit, be used under the control of micro-control unit, sending the warning horn of alerting signal to the user;
Be connected respectively with described micro-control unit, radio-frequency (RF) transceiver and warning horn, be used for providing the power supply of the required electric energy of work to described micro-control unit, radio-frequency (RF) transceiver and warning horn.
7. wireless node apparatus as claimed in claim 6 is characterized in that, this wireless node apparatus also comprises:
Be connected respectively with warning horn with described power supply, be used to detect electric quantity of power supply, and control this wireless node apparatus when electric quantity of power supply is lower than predetermined threshold and enter battery saving mode detecting, and start the low electric weight detecting unit that described warning horn sends early warning signal.
8. wireless node apparatus as claimed in claim 6 is characterized in that, this wireless node apparatus also comprises:
Be connected respectively with warning horn with described micro-control unit, be used for checking the number that prevents system's wireless node apparatus that article are lost under this wireless node apparatus, and control the intelligent inspection unit that described warning horn sends cue according to the number that is checked through.
9. as any described wireless node apparatus in the claim 6 to 8, it is characterized in that described radio-frequency (RF) transceiver comprises: antenna, wireless diplexer, wireless receiver, transmitting set, modulator, detuner, wherein,
First end of described wireless diplexer is connected with described antenna, and its second end is connected with the input end of described wireless receiver, and its 3rd end is connected with the output terminal of described transmitting set;
The output terminal of described wireless receiver is electrically connected with the input end of described detuner, and the output terminal of described detuner is connected with the input end of described micro-control unit;
The input end of described transmitting set is connected with the output terminal of described modulator, and the input end of described modulator is connected with the output terminal of described micro-control unit.
10. wireless node apparatus as claimed in claim 9 is characterized in that, described warning horn comprises one of following or combination in any: light emitting diode, hummer, loudspeaker, Vib..
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HK09101438 | 2009-02-16 | ||
| HK091014389 | 2009-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201829029U true CN201829029U (en) | 2011-05-11 |
Family
ID=43416642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920218047XU Expired - Lifetime CN201829029U (en) | 2009-02-16 | 2009-11-09 | System for preventing article from losing and wireless node equipment for the system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201829029U (en) |
| HK (1) | HK1143499A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400248A (en) * | 2013-07-15 | 2013-11-20 | 王梓 | Loss-preventing logistics distribution method for multiple cargos in same batch |
-
2009
- 2009-10-29 HK HK09110125.8A patent/HK1143499A2/en not_active IP Right Cessation
- 2009-11-09 CN CN200920218047XU patent/CN201829029U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400248A (en) * | 2013-07-15 | 2013-11-20 | 王梓 | Loss-preventing logistics distribution method for multiple cargos in same batch |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1143499A2 (en) | 2010-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1699183B1 (en) | Location system for bluetooth enabled devices | |
| KR100691539B1 (en) | Method and device for transponder aided wake-up of a low power radio device | |
| US6891471B2 (en) | Expandable object tracking system and devices | |
| US6297737B1 (en) | Object locating system | |
| US5943628A (en) | Radiotelephone proximity detector | |
| US7973657B2 (en) | Systems for monitoring proximity to prevent loss or to assist recovery | |
| US6154665A (en) | Radio telephone proximity detector | |
| WO2006014900A9 (en) | System and method for preventing loss of personal items | |
| CN107798831A (en) | A kind of searching articles positioning and identifying system based on the transmission of Bluetooth of mobile phone signal | |
| GB2318671A (en) | Radiotelephone proximity detector | |
| US20140302792A1 (en) | Radio system with configurable links | |
| EP1907877A2 (en) | A method and system for locating objects | |
| US20040192207A1 (en) | Method and device for activating bluetooth TM devices through signaling | |
| CN201829029U (en) | System for preventing article from losing and wireless node equipment for the system | |
| GB2400711A (en) | Wireless alarm system monitoring the position of valuables that is suitable for protecting computers or mobile phones which are using wireless data networks | |
| CN207704630U (en) | Bluetooth moves anti-loss device and bluetooth anti-lose system | |
| EP1151426B9 (en) | Method and system for location of an object apt to be mislaid | |
| KR101072295B1 (en) | Sensor node with self-charging function and method for operating the same | |
| CN107788662A (en) | A kind of luggage anti-theft device and its control method based on iBeacon | |
| CN101887627A (en) | Remote controller equipment | |
| JP2007311907A (en) | Mislaid mobile phone preventing apparatus | |
| JP2001283350A (en) | Method and system for preventing missing, master device for missing-prevension and computer readable storage medium | |
| WO2022109660A1 (en) | Portable item trackers configured for efficient tracking of portable valuables, methods for operating such item trackers, and item tracking frameworks | |
| US20060252468A1 (en) | Extended-life locator feature for cordless handsets | |
| CN201043994Y (en) | Children tracing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110511 |