CN114186656A - Data receiving and sending control method of electronic tag, electronic tag and positioning system - Google Patents
Data receiving and sending control method of electronic tag, electronic tag and positioning system Download PDFInfo
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- CN114186656A CN114186656A CN202111295053.7A CN202111295053A CN114186656A CN 114186656 A CN114186656 A CN 114186656A CN 202111295053 A CN202111295053 A CN 202111295053A CN 114186656 A CN114186656 A CN 114186656A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
- G06K19/0702—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement including a battery
- G06K19/0705—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement including a battery the battery being connected to a power saving arrangement
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
- H04W4/027—Services making use of location information using location based information parameters using movement velocity, acceleration information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/33—Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0287—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level changing the clock frequency of a controller in the equipment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The application discloses a data receiving and sending control method of an electronic tag, the electronic tag and a positioning system, wherein the method comprises the following steps: acquiring position change information of the electronic tag; determining a data transceiving period matched with the position change information based on the position change information; and controlling the electronic tag to transmit and receive data according to the determined data transmitting and receiving period. By means of the mode, the power consumption of the electronic tag can be reduced, and the service life of the electronic tag is prolonged.
Description
Technical Field
The present application relates to the field of positioning technologies, and in particular, to a data transceiving control method for an electronic tag, and a positioning system.
Background
In the indoor positioning field, the ultra-wideband positioning technology becomes a popular technology in the positioning field due to the characteristics of high precision, good anti-interference capability, difficult interception and the like.
The ultra-wideband positioning system is generally composed of a positioning base station, an electronic tag, an upper computer system and the like, wherein the electronic tag belongs to battery power supply equipment and has certain requirements on low power consumption and long service life.
Disclosure of Invention
The technical problem mainly solved by the application is to provide a data receiving and sending control method of an electronic tag, the electronic tag and a positioning system, so that the power consumption of the electronic tag can be reduced, and the service life of the electronic tag can be prolonged.
In order to solve the technical problem, the application adopts a technical scheme that: a data receiving and transmitting control method of an electronic tag is provided, which comprises the following steps: acquiring position change information of the electronic tag; determining a data transceiving period matched with the position change information based on the position change information; and controlling the electronic tag to transmit and receive data according to the determined data transmitting and receiving period.
Wherein, the position change information includes the position change value, based on the position change information, confirms the data transceiver cycle that matches with the position change information, includes: determining a data transceiving cycle as a first data transceiving cycle in response to the position change value being greater than or equal to a preset position change value; determining the data transceiving cycle to be a second data transceiving cycle in response to the position change value being smaller than the preset position change value; and the first data transceiving period is less than the second data transceiving period.
Wherein, the data transceiving cycle further comprises a third data transceiving cycle, and the method further comprises: determining a data transceiving cycle as a third data transceiving cycle in response to at least two continuous position change values being smaller than a preset position change value; and the third data transceiving cycle is smaller than the second data transceiving cycle.
The second data transceiving period is equal to the sum of the first data transceiving period and a first preset period of a first preset proportion; the third data transceiving period is equal to the sum of the second data transceiving period and a second preset period of a second preset proportion.
Wherein, the position change information of the electronic tag is obtained, including: respectively acquiring first position information and second position information determined by at least three positioning base stations; acquiring first position information and second position information at an interval of one data transceiving cycle; and obtaining position change information based on the first position information and the second position information.
Wherein, the position change information includes the position change value, and first position information includes first position coordinate, and second position information includes the second position coordinate, based on first position information and second position information, obtains the position change information, includes: and obtaining a position change value based on the first position coordinate and the second position coordinate.
In order to solve the technical problem, the other technical scheme adopted by the application is as follows: the electronic tag comprises a control device, a data transmitting and receiving device and a power supply device, wherein the control device is respectively connected with the data transmitting and receiving device and the power supply device, and is used for executing the data transmitting and receiving control method of the electronic tag.
The power supply device comprises a battery and a voltage conversion circuit, wherein the voltage conversion circuit is respectively connected with the battery and the control device; wherein, the battery is a rechargeable battery or a disposable battery.
In order to solve the technical problem, the other technical scheme adopted by the application is as follows: a positioning system is provided, which comprises a positioning base station, an upper computer system and the electronic tag.
The positioning base stations at least comprise three positioning base stations, wherein at least one positioning base station is a main base station.
The beneficial effect of this application is: different from the prior art, the present application provides a data transceiving control device of an electronic tag, the method comprising: acquiring position change information of the electronic tag; determining a data transceiving cycle matched with the position change information based on the position change information; and controlling the electronic tag to transmit and receive data according to the determined data transmitting and receiving period. The moving speed of the electronic tag can be judged according to the position change information of the electronic tag, or the active state of the electronic tag can be judged, so that a data receiving and sending period matched with the position change information is determined; on one hand, the data receiving and sending period is matched with the motion state of the electronic tag, and the electronic tag can be accurately positioned; on the other hand, the data receiving and transmitting frequency of the electronic tag can be reduced, the power consumption is reduced, and the service life of the electronic tag is prolonged.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a positioning system provided herein;
FIG. 2 is a schematic diagram of a deployment structure of an embodiment of a positioning system provided in the present application;
FIG. 3 is a schematic structural diagram of an embodiment of an electronic tag provided in the present application;
fig. 4 is a schematic flowchart of an embodiment of a data transceiving control method of an electronic tag according to the present application;
fig. 5 is a schematic flowchart of another embodiment of a data transceiving control method for an electronic tag according to the present application;
FIG. 6 is a schematic diagram of a data transceiving cycle provided herein;
fig. 7 is a schematic flowchart of another embodiment of a data transceiving control method of an electronic tag according to the present application.
Detailed Description
In order to make the purpose, technical solution and effect of the present application clearer and clearer, the present application is further described in detail below with reference to the accompanying drawings and examples.
It should be noted that if descriptions related to "first", "second", etc. are provided in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope claimed in the present application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a positioning system provided in the present application. The positioning system 100 comprises a positioning base station 10, an upper computer system 20 and an electronic tag 30, and information interaction is performed between the positioning base station 10 and the electronic tag 30, so that the electronic tag 30 is positioned; the upper computer system 20 is disposed on a computer end or a mobile phone end or other devices, so that a user can obtain a real-time position of the electronic tag 30.
In an embodiment, the electronic tag 30 may be a work card, a safety helmet, an electronic bracelet, or the like, and is not limited in particular, and may be specifically configured according to actual use needs. For example, the electronic tag 30 may be embedded in a work card or a safety helmet, so that when a person to be determined carries the work card or the safety helmet, the person carrying the work card or the safety helmet can be located.
In one embodiment, the positioning base stations 10 include at least three. For example, when positioning of a person or an article wearing or carrying the electronic tag 30 in a plane needs to be completed, at least three positioning base stations 10 are needed, and when positioning of a person or an article wearing or carrying the electronic tag 30 in a space needs to be completed, at least four positioning base stations 10 are needed. Specifically, as shown in fig. 2, fig. 2 is a schematic view of a deployment structure of an embodiment of a positioning system provided in the present application, a positioning system 100 includes four positioning base stations 10, that is, a first positioning base station (Anchor 1), a second positioning base station (Anchor 2), a third positioning base station (Anchor 3), and a fourth positioning base station (Anchor 4), and the four positioning base stations 10 perform information interaction with an electronic tag 30, so as to determine that a distance between the first positioning base station and the electronic tag 30 is r1, a distance between the second positioning base station and the electronic tag 30 is r2, a distance between the third positioning base station and the electronic tag 30 is r3, and a distance between the fourth positioning base station and the electronic tag 30 is r4.
At least one positioning base station 10 of the positioning base stations 10 is a main base station. For example, as shown in fig. 2, it is determined that the first positioning base station is the main base station, the second positioning base station, the third positioning base station, and the fourth positioning base station transmit the distances between the electronic tag 30 and the calculated distances to the main base station, and the main base station integrates and calculates the information sent by the second positioning base station, the third positioning base station, and the fourth positioning base station, so as to obtain the position information of the electronic tag, thereby positioning the person or the article wearing or carrying the electronic tag 30.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an embodiment of an electronic tag provided in the present application. The electronic tag 30 comprises a control device 31, a data transceiver 32 and a power supply device 33, wherein the control device 31 is connected with the data transceiver 32 and the power supply device 33 respectively. The power supply device 33 is a power supply device for the control device 31 and the data transceiver device 32, that is, the power supply device 33 is used for supplying power to the control device 31 and the data transceiver device 32 to ensure the normal operation of the control device 31 and the data transceiver device 32; the data transceiver 32 is used for transceiving data between the electronic tag 30 and the positioning base station 10, so as to realize positioning of the electronic tag 30; the control device 31 is used for controlling the data transceiver 32 to be in a sleep state for a long time and periodically awaken the data transceiver for data transceiving, so that the power consumption of the electronic tag 30 is reduced, and the service life of the electronic tag 30 is prolonged; meanwhile, the control device 31 is also used for data communication in the entire positioning system 100.
In an embodiment, the control device is a wireless Micro Control Unit (MCU), wherein the type of the MCU is not limited, and may be specifically set according to actual needs.
In one embodiment, the power supply device 33 includes a battery (not shown) and a power conversion circuit (not shown), and the power conversion circuit is connected to the battery and the control device 31. The battery is used for supplying power to the control device 31 and the data transceiver 32, and the power conversion circuit is used for voltage conversion so as to convert the voltage of the battery into a standard voltage capable of supplying power to the control device 31 and the data transceiver 32. For example, taking the voltage of the battery as 4.2v and the voltage required by the control device 31 as 3.3v as an example, since the standard voltage for maintaining the normal operation of the control device 31 is 3.3v and the voltage of the battery is 4.2v, the voltage generated by the battery cannot directly supply power to the control device 31, and needs to be converted into 3.3v by the power conversion circuit and then supply power to the control device 31.
In a specific embodiment, the battery is a rechargeable battery, and the rechargeable battery can be matched with a charger for repeated use, so that the service life of the rechargeable battery is long. Optionally, the rechargeable battery can be a nickel-cadmium battery, a nickel-hydrogen battery, a lithium ion battery or the like, and the nickel-cadmium battery can bear larger charging current and is suitable for quick charging; the nickel-hydrogen battery has large capacity and long service life, and meets the green environmental protection standard; the lithium ion battery has a large capacity, a small weight and a long service life, and the type of the rechargeable battery can be specifically set according to actual use requirements, which is not specifically limited herein. In other embodiments, the battery may be a disposable battery, which is commonly referred to as a disposable battery and cannot be recharged after the battery is exhausted. Optionally, the disposable battery may be an alkali-manganese battery, a zinc-manganese battery, a lithium battery, a silver-zinc battery, a zinc-mercury battery, or a magnesium-manganese battery, and the disposable battery may be specifically configured according to actual use requirements, and is not specifically limited herein.
Referring to fig. 4, fig. 4 is a schematic flowchart illustrating a data transceiving control method of an electronic tag according to an embodiment of the present disclosure. It should be noted that, if the result is substantially the same, the flow sequence shown in fig. 4 is not limited in this embodiment. As shown in fig. 4, the present embodiment includes:
step S41: and acquiring the position change information of the electronic tag.
The method of the embodiment is used for periodically waking up the electronic tag to perform data transceiving, so that the electronic tag is positioned, and positioning of people or articles needing positioning is completed.
In one embodiment, in the process of information interaction between the electronic tag and the positioning base station, the main base station in the positioning base station can calculate the position change information of the electronic tag, and transmit the position change information to the control device of the electronic tag, so that the electronic tag obtains the position change information, and thus the subsequent control device can determine the data transceiving cycle matched with the position change information according to the position change information, and further the subsequent control device can control the electronic tag to perform data transceiving according to the determined data transceiving cycle, thereby achieving the purpose of reducing the power consumption of the electronic tag. In another embodiment, after the main base station in the positioning base station calculates the position change information of the electronic tag, the main base station does not directly transmit the position change information to the control device of the electronic tag, but subsequently determines a data transceiving period matched with the position change information according to the position change information, and then transmits the determined data transceiving period to the control device, so that the control device controls the electronic tag to perform data transceiving according to the determined data transceiving period.
In one embodiment, the main base station may calculate the position change information of the electronic tag by using the position information of the electronic tag spaced by one data transceiving cycle. The position information of the electronic tag may be a position coordinate of the electronic tag, and the like, which is not limited in this embodiment.
Alternatively, the location information of the electronic tag may be determined by at least three positioning base stations. For example, when a person or an article wearing or carrying the electronic tag moves in a plane, that is, when the person or the article wearing or carrying the electronic tag needs to be positioned in the plane, at least three positioning base stations are needed, the electronic tag performs information interaction with the at least three positioning base stations, wherein two slave base stations send interaction information to the master base station, so that the master base station can determine plane position information of the electronic tag according to the interaction information. For another example, when a person or an article wearing or carrying the electronic tag moves in a space, that is, the spatial position changes, that is, when positioning of the person or the article wearing or carrying the electronic tag in the space needs to be completed, at this time, at least four positioning base stations are needed, the electronic tag performs information interaction with the at least four positioning base stations, and three of the positioning base stations send interaction information to the master base station, so that the master base station can determine the spatial position information of the electronic tag according to the interaction information.
Step S42: and determining a data transceiving period matched with the position change information based on the position change information.
In the present embodiment, based on the position change information of the electronic tag, the moving speed of the electronic tag can be determined, or the active state of the electronic tag can be determined, so as to determine the data transmission/reception period matching the position change information. That is to say, the actual motion state of the electronic tag is determined according to the position change information, so that the data transceiving cycle matched with the motion state of the electronic tag is determined according to the motion state of the electronic tag, and on one hand, the data transceiving cycle is matched with the motion state of the electronic tag, and the electronic tag can still be accurately positioned; on the other hand, the data receiving and transmitting frequency of the electronic tag can be reduced, the power consumption is reduced, and the service life of the electronic tag is prolonged.
Step S43: and controlling the electronic tag to transmit and receive data according to the determined data transmitting and receiving period.
In this embodiment, after the data transmission and reception period matching the position change information is determined, the control device in the electronic tag controls the data transmission and reception device to transmit and receive data in the determined data transmission and reception period, so that the average data transmission and reception frequency of the data transmission and reception device can be reduced, the power consumption of the electronic tag can be reduced, and the service life of the electronic tag can be prolonged.
For example, taking the original data transceiving cycle of the data transceiving device as T1 as an example, the control device of the electronic tag controls the data transceiving device to perform data transceiving with the data transceiving cycle T1, when it is determined that the moving speed of the current electronic tag is low according to the position change information, in order to reduce the data transceiving frequency of the electronic tag and reduce power consumption, the data transceiving cycle is changed at this time, and it is determined that the data transceiving cycle matched with the current position change information is T2, the control device controls the data transceiving device to perform data transceiving with the data transceiving cycle T2, thereby achieving the purposes of reducing power consumption and prolonging service life.
Referring to fig. 5 to fig. 6, fig. 5 is a schematic flowchart illustrating a data transceiving control method for an electronic tag according to another embodiment of the present disclosure, and fig. 6 is a schematic diagram illustrating a data transceiving cycle according to the present disclosure. It should be noted that, if the result is substantially the same, the flow sequence shown in fig. 5 is not limited in this embodiment. As shown in fig. 5, the present embodiment includes:
step S51: first position information and second position information determined by at least three positioning base stations are acquired respectively.
In the actual positioning process, when the positioning of a person or an article wearing or carrying the electronic tag in a plane needs to be completed, at least three positioning base stations are needed, namely, the plane position information of the electronic tag can be determined by performing information interaction between the at least three positioning base stations and the electronic tag; when the positioning of the person or the article wearing or carrying the electronic tag in the space needs to be completed, at least four positioning base stations are needed, namely, the information interaction is performed between the at least four positioning base stations and the electronic tag, so that the spatial position information of the electronic tag can be determined.
Therefore, in the present embodiment, the electronic tag performs information interaction with at least three positioning base stations, so as to obtain the first position information and the second position information of the electronic tag determined by the at least three positioning base stations. And the acquisition interval of the first position information and the second position information is one data transceiving period.
Step S52: and obtaining position change information based on the first position information and the second position information.
In the present embodiment, the position change information of the electronic tag, that is, the position change of the electronic tag in one data transmission/reception cycle can be obtained from the first position information and the second position information.
In a specific embodiment, the location change information includes a location change value, and the location change value of the electronic tag can be obtained through a location coordinate change of the electronic tag in a data transceiving cycle. Specifically, the first position information includes a first position coordinate of the electronic tag, the second position information includes a second position coordinate of the electronic tag, and a data transceiving cycle is provided between the second position coordinate and the first position coordinate, so as to obtain a position change value of the electronic tag based on the first position coordinate and the second position coordinate. It will be appreciated that in other embodiments, other information may be included in the location change information, and may be based on other than location coordinatesThe position change information of the electronic tag is obtained through calculation by using other information, and may be specifically set according to actual use requirements, which is not specifically limited herein. For example, as shown in fig. 2, the electronic tag performs information interaction with four positioning base stations, and the obtained first position coordinate of the electronic tag is A1 (x) 1 ,y 1 ,z 1 ) And the second position coordinate is A2 (x) 2 ,y 2 ,z 2 ) Then the position change value of the electronic tag twice before and after is equal to
Step S53: and judging whether the position change value is larger than or equal to a preset position change value.
The position change value of the electronic tag reflects the moving speed of the electronic tag in a data transceiving cycle, or reflects the active state of the electronic tag in the data transceiving cycle, so that the data transceiving cycle of the electronic tag is adjusted according to the active state of the electronic tag in the data transceiving cycle, and the purposes of reducing power consumption and prolonging service life are achieved. Therefore, it is necessary to determine whether the position variation value of the electronic tag satisfies the preset position variation value, so as to decide to determine the data transceiving cycle of the electronic tag, and when the position variation value of the electronic tag is greater than or equal to the preset position variation value, step S54 is executed; and when the position variation value of the electronic tag is less than the preset position variation value, step S55 is performed.
Step S54: and determining the data transceiving period as a first data transceiving period in response to the position change value being greater than or equal to a preset position change value.
In this embodiment, the control device compares the position variation value of the electronic tag with a preset position variation value, and when the position variation value of the electronic tag is greater than or equal to the preset position variation value, that is, Δ R is greater than or equal to R, it indicates that the moving speed of the electronic tag is relatively high, or the electronic tag is in a relatively active state, and at this time, it determines that the data transceiving cycle of the electronic tag is the first data transceiving cycle. If the data transceiving period of the electronic tag is the first data transceiving period, the control device controls the data transceiving period of the electronic tag to be kept unchanged; and if the data transceiving cycle of the electronic tag is the other data transceiving cycles at the moment, the control device adjusts the data transceiving cycle of the electronic tag to be the first data transceiving cycle.
Step S55: and determining the data transceiving period as a second data transceiving period in response to the position change value being smaller than the preset position change value.
In this embodiment, when the position change value of the electronic tag is smaller than the preset position change value, that is, Δ R < R, it indicates that the moving speed of the electronic tag is relatively small, or the electronic tag is in an inactive state, and at this time, it is determined that the data transceiving cycle of the electronic tag is the second data transceiving cycle. If the data transceiving cycle of the electronic tag is the first data transceiving cycle, the control device adjusts the data transceiving cycle of the electronic tag to be the second data transceiving cycle; and if the data transceiving cycle of the electronic tag is the second data transceiving cycle at the moment, the control device controls the data transceiving cycle of the electronic tag to be kept unchanged.
The second data transceiving cycle is greater than the first data transceiving cycle, that is, when the moving speed of the electronic tag is relatively low, the control device controls the data transceiving device to perform data transceiving with a relatively large data transceiving cycle, or wakes up the data transceiving device to perform data transceiving with a relatively large data transceiving cycle, so that the average data transceiving frequency of the data transceiving device can be reduced, the power consumption of the electronic tag is reduced, and the service life of the electronic tag is prolonged.
In one embodiment, the second data transceiving period is equal to a sum of the first data transceiving period and a first preset period of the first preset proportion. The first preset proportion is not specifically limited, and can be specifically set according to actual use requirements. For example, the first predetermined ratio is 30%, the first data transceiving period is T1, and the first predetermined period is T4, so that the second data transceiving period T2= T1+30% × T4. In other embodiments, the second data transceiving period may also be a remainder value obtained by dividing the random number by the first preset period, and the specific formula is as follows:
T 2 ＝T 1 +rand()％T 4
wherein: t1 is a first data transceiving period, T2 is a second data transceiving period, and T4 is a first preset period.
Referring to fig. 7, fig. 7 is a schematic flowchart illustrating a data transceiving control method of an electronic tag according to another embodiment of the present application. In order to further reduce the power consumption of the electronic tag and prolong the service life of the electronic tag, in an embodiment, the method further comprises the following steps:
step S71: and judging whether the continuous at least two position change values are both smaller than a preset position change value.
In order to further reduce the power consumption of the electronic tag and prolong the service life of the electronic tag, in the embodiment, it is determined whether at least two continuous position change values are both smaller than a preset position change value.
Optionally, when the continuous 2, 3, 4, 5 or more position change values are smaller than the preset position change value, the data transceiving cycle may be determined to be the third data transceiving cycle, which may be specifically set according to actual use needs, and is not specifically limited herein.
Step S72: and determining the data transceiving cycle as a third data transceiving cycle in response to the at least two continuous position change values being smaller than the preset position change value.
In this embodiment, in order to further reduce the power consumption of the electronic tag and prolong the service life of the electronic tag, when at least two consecutive position change values are smaller than the preset position change value, it indicates that the moving speed of the electronic tag is very low and the electronic tag is basically in a stationary state, and at this time, it is determined that the data transceiving cycle is the third data transceiving cycle. If the data transceiving cycle of the electronic tag is the second data transceiving cycle, the control device adjusts the data transceiving cycle of the electronic tag to be a third data transceiving cycle; and if the data transceiving cycle of the electronic tag is the third data transceiving cycle, the control device controls the data transceiving cycle of the electronic tag to be kept unchanged.
For example, in response to successive n position change values being less than preSetting the position change value, determining the data transceiving period as the third data transceiving period, and setting the position change value Δ R at n times of the electronic tag 1 、ΔR 2 、ΔR 3 ……ΔR n When the data transmission time is less than the preset position change value R, the moving speed of the electronic tag is very low, the electronic tag is basically in a static state, and at the moment, the control device adjusts the data transmission and receiving period of the electronic tag to be a third data transmission and receiving period.
In an embodiment, the third data transceiving period is equal to a sum of the second data transceiving period and a second preset period of a second preset proportion. The second preset proportion is not specifically limited, and can be specifically set according to actual use requirements. For example, the second predetermined ratio is 30%, the second data transceiving period is T2, and the second predetermined period is T5, so that the third data transceiving period T3= T2+30% × T5. In other embodiments, the third data transceiving period may also be a remainder value obtained by dividing the random number by the second preset period, and the specific formula is as follows:
T 3 ＝T 2 +rand()％T 5
wherein: t2 is a second data transceiving period, T3 is a third data transceiving period, and T5 is a second preset period.
The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (10)
1. A data receiving and transmitting control method of an electronic tag is characterized by comprising the following steps:
acquiring position change information of the electronic tag;
determining a data transceiving period matched with the position change information based on the position change information;
and controlling the electronic tag to transmit and receive data according to the determined data transmitting and receiving period.
2. The method according to claim 1, wherein the location change information includes a location change value, and the determining, based on the location change information, a data transceiving cycle matching the location change information includes:
determining the data transceiving cycle to be a first data transceiving cycle in response to the position change value being greater than or equal to a preset position change value;
determining the data transceiving cycle to be a second data transceiving cycle in response to the position change value being smaller than the preset position change value;
wherein the first data transceiving period is less than the second data transceiving period.
3. The method of claim 2, wherein the data transceiving cycles further comprise a third data transceiving cycle, the method further comprising:
determining the data transceiving cycle as the third data transceiving cycle in response to at least two consecutive position change values being smaller than the preset position change value; wherein the third data transceiving period is less than the second data transceiving period.
4. The method of claim 3,
the second data transceiving period is equal to the sum of the first data transceiving period and a first preset period of a first preset proportion;
the third data transceiving period is equal to the sum of the second data transceiving period and a second preset period of a second preset proportion.
5. The method according to claim 1, wherein the obtaining the location change information of the electronic tag comprises:
respectively acquiring first position information and second position information determined by at least three positioning base stations; acquiring the first position information and the second position information at an interval of one data transceiving cycle;
and obtaining the position change information based on the first position information and the second position information.
6. The method of claim 5, wherein the location change information comprises a location change value, wherein the first location information comprises a first location coordinate, wherein the second location information comprises a second location coordinate, and wherein obtaining the location change information based on the first location information and the second location information comprises:
and obtaining the position change value based on the first position coordinate and the second position coordinate.
7. An electronic tag, characterized in that it comprises control means, data transceiving means and power supply means, said control means being connected to said data transceiving means and said power supply means, respectively, said control means being adapted to perform the method of any of claims 1-6.
8. The electronic tag according to claim 7,
the power supply device comprises a battery and a voltage conversion circuit, and the voltage conversion circuit is respectively connected with the battery and the control device;
wherein the battery is a rechargeable battery or a disposable battery.
9. A positioning system, characterized in that the positioning system comprises a positioning base station, a host computer system and an electronic tag according to any of claims 7-8.
10. The positioning system of claim 9,
the positioning base stations at least comprise three positioning base stations, wherein at least one positioning base station is a main base station.
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| CN202111295053.7A CN114186656A (en) | 2021-11-03 | 2021-11-03 | Data receiving and sending control method of electronic tag, electronic tag and positioning system |
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