CN111366915A - Positioning device and working method thereof - Google Patents
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- CN111366915A CN111366915A CN202010182843.3A CN202010182843A CN111366915A CN 111366915 A CN111366915 A CN 111366915A CN 202010182843 A CN202010182843 A CN 202010182843A CN 111366915 A CN111366915 A CN 111366915A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
- H04L9/0625—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation with splitting of the data block into left and right halves, e.g. Feistel based algorithms, DES, FEAL, IDEA or KASUMI
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3297—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving time stamps, e.g. generation of time stamps
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Abstract
The invention relates to a positioning device and a working method thereof, the device comprises a mobile positioning component and a server, the mobile positioning component is connected with the server, the mobile positioning component comprises a signal transmitting unit and a signal receiving unit, wherein a positioning chip is arranged in the signal receiving unit, a signal transmitting controller and an anti-disassembly subunit are arranged in the signal transmitting unit, the anti-disassembly subunit is connected with the signal transmitting controller, the signal transmitting controller is connected with the signal receiving unit, the signal receiving unit comprises a signal receiving controller and an anti-disassembly warning subunit, the signal receiving controller is connected with the anti-disassembly warning subunit, and the signal receiving controller is connected with the server. The invention improves the precision of the indoor isolation positioning range, effectively prevents the counterfeiting problem and ensures the accuracy and the reliability of data.
Description
Technical Field
The invention relates to a positioning device, in particular to a positioning device and a working method thereof.
Background
The current electronic fence technology in the market generally uses various positioning technologies to obtain and compare the positioning data of the user, so as to determine whether the user is out of range. The electronic fence technology comprises positioning by adopting a satellite, positioning by adopting a base station and positioning by adopting WIFI; however, when the traditional satellite positioning data is adopted to compare the data of the isolation fence, the indoor environment generally has no satellite signal, and if the isolated personnel are used in the indoor environment, the data comparison cannot be completed; when the traditional base station positioning data is adopted to compare the isolation fence data, the error reaches kilometer level, and the accuracy requirement of the isolation fence in a small area cannot be met; when traditional WIFI positioning data and MAC address characteristics are adopted to compare isolation fence data, data forgery easily occurs, and the reliability is poor.
Therefore, it is necessary to design a new positioning device to improve the precision of the indoor isolated positioning range, effectively prevent the counterfeiting problem, and ensure the accuracy and reliability of the data, so as to improve the positioning precision.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a positioning device and a working method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a positioning device, includes mobile location subassembly and server, the mobile location subassembly with the server is connected, the mobile location subassembly includes signal transmission unit and signal receiving unit, wherein, be equipped with the location chip in the signal receiving unit, be equipped with signal transmission controller and anti-disassembly subunit in the signal transmission unit, anti-disassembly subunit with the signal transmission controller is connected, the signal transmission controller with the signal receiving unit is connected, the signal receiving unit includes signal reception controller and anti-disassembly warning subunit, the signal reception controller with the anti-disassembly warning subunit is connected, the signal reception controller with the server is connected, the location chip with the signal reception controller is connected.
The further technical scheme is as follows: the anti-disassembly subunit comprises an anti-disassembly key K2, and the anti-disassembly key K2 is connected with the signal emission controller.
The further technical scheme is as follows: the signal receiving unit comprises a power supply subunit, the anti-disassembly warning subunit comprises a triode Q1102, the base electrode of the triode Q1102 is connected with the power supply subunit, the emitting electrode of the triode Q1102 is connected with the power supply subunit, the collecting electrode of the triode Q1102 is grounded, and the signal emission controller is connected with the collecting electrode of the triode Q1102.
The further technical scheme is as follows: and the emitter of the triode Q1102 is connected with the power supply subunit through a plurality of bonding pads.
The further technical scheme is as follows: the collector of the transistor Q1102 is coupled to ground through a resistor R1815.
The further technical scheme is as follows: the base of the triode Q1102 is connected with a pull-down resistor R9008.
The further technical scheme is as follows: still include entrance guard's unit, entrance guard's unit with the server is connected.
The further technical scheme is as follows: the mobile positioning assembly further comprises a monitoring unit, the monitoring unit is connected with the server through a communication unit, and the positioning chip is connected with the server through the communication unit.
The invention also provides a working method of the positioning device, which comprises the following steps:
the server encrypts the character strings in a 3DES encryption mode according to the current timestamp and then reverses the order to obtain a working key;
the server sends the current timestamp and the working key to the signal receiving unit;
the signal receiving unit sends the working key to the signal transmitting unit;
the signal transmitting unit compares the received time stamp with the equipment time stamp to obtain a time difference;
the signal transmitting unit judges whether the time difference is larger than a preset threshold value or not;
when the time difference is not greater than a preset threshold value, extracting a timestamp of the signal transmitting unit, and carrying out encryption of a 3DES encryption algorithm and then reversing the sequence to obtain a processing result;
the signal transmitting unit returns the processing result to the signal receiving unit;
the signal receiving unit compares the working key with the processing result to obtain a comparison result;
the signal receiving unit generates corresponding feedback information according to the comparison result, the signal receiving unit sends the feedback information to the server, and the server drives the terminal to display corresponding content.
The further technical scheme is as follows: the signal receiving unit generates corresponding feedback information according to the comparison result, the signal receiving unit sends the feedback information to the server, and the server drives the terminal to display corresponding content, including:
judging whether the comparison result is a result that the working key is consistent with the processing result;
if the comparison result is that the working key is consistent with the processing result, generating a feedback signal that the mobile positioning component does not leave the designated isolation area, sending the feedback signal to the server by the signal receiving unit, and displaying corresponding content by the server driving terminal;
and if the comparison result is that the working key is inconsistent with the processing result, generating a feedback signal of the mobile positioning assembly leaving the designated isolation area, sending the feedback signal to the server by the signal receiving unit, and displaying corresponding content by the server driving terminal.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the signal transmitting unit, the signal receiving unit and the server are arranged, the signal transmitting unit transmits signals of different types to determine the monitored area, the signal receiving unit is combined to position the position of a wearer, the precision of the indoor isolation positioning range is improved, the anti-disassembly warning subunit is arranged in the signal receiving unit, the anti-disassembly subunit is arranged in the signal transmitting unit, the server adopts a dynamic encryption mode when sending data, and the signal transmitting unit also adopts an encryption mode when sending data, so that the counterfeiting problem is effectively prevented, and the accuracy and the reliability of the data are ensured.
The invention is further described below with reference to the accompanying drawings and specific embodiments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic block diagram of a positioning apparatus according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of an anti-detachment key K2 according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of an anti-detachment alarm subunit according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
As shown in fig. 1 to 3, the positioning device provided in this embodiment can be applied to indoor positioning and outdoor positioning, and can be applied to medical treatment such as infectious disease management and mental disease nursing, public safety places such as drug rehabilitation centers, community correction, external prison, nursing home places such as old people nursing, animal protection places such as wild animal protection, agricultural breeding places such as animal husbandry management, poultry and livestock management, pet nursing places such as pet positioning, and the like. The characteristic that the wireless signal transmission distance has the maximum threshold value is used as a theoretical basis, the maximum threshold value of the signal transmission distance is used as a radius, a fence space is obtained and is used as a specific isolation area, and the specific isolation area is located. The accuracy of the range of indoor isolation positioning is improved, the anti-disassembly subunit 2012 is arranged, the counterfeiting problem can be effectively prevented, the accuracy and the reliability of data are guaranteed, and the positioning accuracy is improved.
Referring to fig. 1, a positioning apparatus includes a mobile positioning assembly 20 and a server 10, the mobile positioning assembly 20 is connected to the server 10, the mobile positioning assembly 20 includes a signal transmitting unit 201 and a signal receiving unit 202, wherein a positioning chip 2023 is disposed in the signal receiving unit 202, a signal transmitting controller 2011 and an anti-detachment subunit 2012 are disposed in the signal transmitting unit 201, the anti-detachment subunit 2012 is connected to the signal transmitting controller 2011, the signal transmitting controller 2011 is connected to the signal receiving unit 202, the signal receiving unit 202 includes a signal receiving controller 2021 and an anti-detachment warning subunit 2022, the signal receiving controller 2021 is connected to the server 10, and the positioning chip 2023 is connected to the signal receiving controller 2021.
A signal transmitting unit 201 is arranged in a specific isolation area, and when the signal transmitting unit 201 works normally, an encrypted wireless characteristic signal is continuously transmitted, that is, the signal transmitting unit 201 obtains the isolation area with different maximum transmission distance thresholds of the signal as the radius by transmitting different types of signals. If the wearer wears the signal receiving unit 202 across the corresponding signal boundary, the corresponding characteristic signal monitoring and verification will fail, thereby determining that the wearer is out of the corresponding isolation region. According to the size and precision requirement of the isolation area, the signal emitting unit 201 can emit signals of different systems, such as a meter-level use signal mode, that is, a bluetooth signal; a ten meter level usage signal mode, i.e., Wi-Fi/Zigbee, such as a hundred meter level usage signal mode, i.e., 433M carrier/Lora signal. And transmitting in a mixed mode according to actual precision requirements.
A signal receiving unit 202 is worn for people/animals, etc. who need to be isolated. The signal receiving unit 202 may be secured to the body of the person or animal, for example, by a wrist strap, a buckle, or the like. The signal receiving unit 202 is equipped with a non-destructive and irreversible detachment alarm subunit, and a loop back circuit is built in, and has the functions of detachment prevention and alarm. Wireless signals accepted by the signal receiving unit 202: not limited to bluetooth/Wi-Fi/Zigbee/433M carrier/Lora. And receiving the fence in a mixed mode according to the area of the isolated area and the fence precision requirement. The signal receiving unit 202 can periodically monitor the characteristic signal emitted by the signal emitting unit 201 in the isolated area according to a predetermined program and verify the authenticity of the encrypted data. Once the signal receiving unit 202 detects that the characteristic signal is lost or the data verification fails, the device determines that the device wearer has separated from the isolation area, and the signal receiving unit 202 is provided with a GPS \ beidou \ WIFI \ LBS \ bluetooth module, and can perform position location of various modes such as the like on the wearer.
In an embodiment, referring to fig. 2, the anti-detachment subunit 2012 includes an anti-detachment button K2, and the anti-detachment button K2 is connected to the signal emission controller 2011.
When the signal transmitting unit 201 is powered on and the anti-detachment key K2 is in a closed state, the signal receiving unit 202 and the signal transmitting unit 201 are connected by default when leaving a factory to continuously transmit dynamic encryption characteristic signals, and the types of the dynamic encryption characteristic signals can be used from small to large according to the area of an isolation area, including but not limited to bluetooth, Wi-Fi/Zigbee, 433M wave carrier, Lora and the like.
Specifically, after the signal transmitting unit 201 is installed, the anti-disassembly key K2 is always in a pressed state, the anti-disassembly key K2 pulls down the anti-disassembly signal to the ground to be at a low level, when the signal transmitting unit 201 is disassembled, the anti-disassembly key K2 is separated from the pressed state, the anti-disassembly signal is pulled up to be at a high level by the 3.3V power supply, and at this time, after the signal transmitting assembly receives the state change of the signal, the signal transmitting assembly recognizes the disassembly action and stops transmitting the dynamic encryption characteristic signal.
In this embodiment, the signal emission controller 2011 has a model MTK 7628; the signal receiving controller 2021 is of the MTK 2503 type.
In an embodiment, referring to fig. 3, the signal receiving unit 202 includes a power supply subunit, the detachment prevention alarm subunit 2022 includes a transistor Q1102, a base of the transistor Q1102 is connected to the power supply subunit, an emitter of the transistor Q1102 is connected to the power supply subunit, a collector of the transistor Q1102 is grounded, and the signal emission controller 2011 is connected to the collector of the transistor Q1102.
In this embodiment, the transistor Q1102 is a PNP transistor.
Specifically, the emitter of the transistor Q1102 is connected to the power supply subunit through several pads.
The collector of transistor Q1102 is coupled to ground through resistor R1815.
The base of the triode Q1102 is connected with a pull-down resistor R9008.
The signal receiving unit 202 is provided with an anti-disassembly loop inside, in a power-on state, the base of the PNP triode Q1102 is connected to the power supply subunit, the collector is connected to the ground through a resistor R1815, the emitter is connected to the power supply subunit through bonding pads TP9052, TP9053, TP9054 and TP9055, and the emitter of the triode Q1102 is provided with a pull-down resistor R9008.
When the pads TP9052, TP9053, TP9054, and TP9055 are connected together, it is indicated that the disconnection prevention line is normal, the signal receiving unit 202 is not disconnected, the level of the emitter is 2.8V, the level of the base is 2.8V, the PNP triode is in a disconnected state, the collector is pulled down to a low level by the resistor R1815, the alarm identification signal is kept at a normal low level, and the signal receiving unit 202 does not send a disconnection alarm signal at this time.
When one of the pads TP9052, TP9053, TP9054, and TP9055 is disconnected, the disconnection-prevention line is disconnected, the signal receiving unit 202 is detached, the level of the emitter is 2.8V, the base is pulled down to a low level by the pull-down resistor R9008, the transistor Q1102 is in a conducting state, the collector is in conduction with the emitter, the collector is pulled up to a high level by the power subunit, and the alarm identification signal is a high level, which triggers a detachment alarm signal, and at this time, the signal receiving controller 2021 may send an alarm signal to drive an alarm connected to the signal receiving controller 2021 to operate.
Of course, when the signal receiving controller 2021 sends out the alarm signal, the signal receiving controller 2021 also sends a signal to the server 10 at the same time to notify the server 10 that the current signal receiving unit 202 is illegally detached.
In the present embodiment, the signal receiving unit 202 establishes an SSH long connection with the server 10 through the communication unit, specifically. The signal receiving unit 202 accesses the internet through the communication unit, and establishes a connection with the server 10 through the internet.
The server 10 encrypts the character string by 3DES at regular time according to a current timestamp and then generates a working key in a reverse order, wherein the working key is a dynamic key and is associated with the timestamp in real time, the timestamp is in a minute level, the server 10 sends the working key to the signal receiving unit 202 together with the current timestamp, the signal receiving unit 202 sends the working key to the signal transmitting unit 201, the signal transmitting unit 201 compares the received timestamp with the timestamp of the signal transmitting unit 201 per se to calculate the time difference between the received timestamp and the current timestamp, and the time difference is invalid when the time difference is greater than 1 minute, and of course, a time difference threshold corresponding to the invalidity of the working key can be set according to actual conditions; when the time difference is not greater than 1 minute, it indicates that the working key is valid, extracts the timestamp of the signal transmitting unit 201, performs encryption by using a 3DES encryption algorithm, performs reverse order, forms a corresponding processing result, and returns the processing result to the receiving device. The signal receiving unit 202 compares the working key with the processing result returned by the signal transmitting unit 201. If the working key and the processing result are consistent, it is determined that the processing result sent by the signal transmitting unit 201 is legal, that is, the signal receiving unit 202 does not leave the isolated area, and if the working key and the processing result are inconsistent, the signal receiving unit 202 leaves the isolated area, that is, if the wearer is not separated from the isolated area, feedback information is generated according to the result of the comparison and returned to the server 10, and the server 10 drives the terminal to perform corresponding display and reminding.
Among them, 3DES is a generic term of triple data encryption algorithm block cipher. It is equivalent to applying a triple DES (block cipher) Encryption Algorithm to each Data block. 3DES encryption algorithm description: let Ek () and Dk () represent the encryption and decryption process of DES algorithm, K represents the key used by DES algorithm, M represents plaintext, C represents ciphertext, and 3DES encryption process is: c ═ Ek3(Dk2(Ek1 (M))); the 3DES decryption process is as follows: m ═ Dk1(EK2(Dk3 (C))); the 3DES encryption is in reverse order: and after the ciphertext C is obtained through encryption, the characters are arranged in a reverse order and then output.
In this embodiment, the signal transmitting unit 201 is fixed and immovable, and can be prevented from moving by using a plurality of ways such as a tamper switch, a commercial power, an acceleration sensor, and the like. The signal transmitting unit 201 is provided with a lithium battery inside and is used for dealing with an application scene without mains supply access. Once the signal transmitting unit 201 moves, the feature identifier is sent to the mobile positioning device and transmitted to the cloud management platform through the communication module of the mobile positioning device.
In an embodiment, the mobile positioning component 20 further includes a monitoring unit, the monitoring unit is connected to the server 10 through a communication unit, and the positioning chip 2023 is connected to the server 10 through the communication unit.
The signal receiving unit 202 is fixed on limbs of people and animals in the form of wrist bands, buckles and the like, and is provided with a lithium battery to work. The signal receiving unit 202 is provided with a positioning chip 2023, and the positioning chip 2023 includes, but is not limited to, a satellite positioning chip 2023, a base station positioning chip 2023, a WI-FI positioning chip 2023, and a bluetooth positioning chip 2023. The positioning chip 2023 can upload the coordinate position information of the wearer to the server 10 through the communication unit at regular time, so as to form the activity track of the wearer.
This mobile location subassembly 20 possesses the locate function of GPS \ big dipper \ WIFI \ LBS \ bluetooth, can carry out the position location of multiple mode such as waiting to the person of wearing.
In an embodiment, the positioning device further includes an access control unit, and the access control unit is connected to the server 10.
The isolation area is provided with a non-contact access control unit which can record the access record of the isolation area and measure the body temperature and other health information of an access object. The server 10 is also notified via the internet and records the detection of an anomaly. After the wearer breaks away from the isolation area by force, the satellite positioning chip 2023 in the mobile positioning component 20 starts to work, the activity track and the contact range of the wearer are recorded in detail, and the supervisor can effectively manage the related information such as alarm information, physical sign health information and the activity track of the wearer through a computer, a mobile phone APP and other management clients.
The entrance guard unit comprises an image sensor and a thermal imaging sensor, and identity authentication and temperature detection are carried out by collecting image information through the image sensor and the thermal imaging sensor. Uploaded to the server 10 over a network to form a data record. When the identity and the temperature are monitored to be abnormal, the server 10 sends alarm information, so that related management personnel can intervene in time conveniently.
The positioning device can be applied to the isolation of patients with diseases confirmed by people and animals infected by infectious diseases, the isolation of suspected infected objects, the isolation of objects which cannot be diagnosed in a latent period, the isolation of objects with virus contact history and the like. The signal receiving assembly is worn in a wearable mode, and free movement of an isolation object is not affected. The built-in monitoring unit for physical sign health monitoring and the positioning chip 2023 are combined, physical sign health of an isolated object can be monitored, and when a wearer leaves an isolated area, the active track and the contact range of the wearer can be effectively checked. Close contact of infected/suspected infected objects during quarantine can be accurately managed by a non-contact access control unit. Meanwhile, the method can be applied to positioning and enabling in other industries, such as drug abstinence personnel management and control, judicial community correction, old people nursing and wild animal management, and can improve the informatization management level of industrial management and social productivity.
According to the positioning device, by arranging the signal transmitting unit 201, the signal receiving unit 202 and the server 10, the signal transmitting unit 201 transmits signals of different types to determine the monitored area, the positioning of the position of the wearer is carried out by combining the signal receiving unit 202, the precision of the indoor isolation positioning range is improved, the anti-disassembly warning subunit 2022 is arranged in the signal receiving unit 202, the anti-disassembly subunit 2012 is arranged in the signal transmitting unit 201, the server 10 adopts a dynamic encryption mode when sending data, and the signal transmitting unit 201 also adopts an encryption mode when sending data, so that the counterfeiting problem is effectively prevented, and the accuracy and the reliability of the data are ensured.
In an embodiment, there is also provided a method for operating a positioning apparatus, including:
the server 10 encrypts the character strings according to the current time stamp and then reverses the sequence to obtain a working key;
the server 10 sends the current timestamp and the working key to the signal receiving unit 202;
the signal receiving unit 202 sends the working key to the signal transmitting unit 201;
the signal transmitting unit 201 compares the received timestamp with the device timestamp to obtain a time difference;
the signal transmitting unit 201 determines whether the time difference is greater than a preset threshold;
when the time difference is not greater than the preset threshold, extracting the timestamp of the signal transmitting unit 201, and performing encryption of a 3DES encryption algorithm and then reversing the sequence to obtain a processing result;
the signal transmitting unit 201 returns the processing result to the signal receiving unit 202;
the signal receiving unit 202 compares the working key with the processing result to obtain a comparison result;
the signal receiving unit 202 generates corresponding feedback information according to the comparison result, and the signal receiving unit 202 sends a feedback signal to the server 10, and the server 10 drives the terminal to display the corresponding content.
Specifically, the signal receiving unit 202 generates corresponding feedback information according to the comparison result, the signal receiving unit 202 sends the feedback information to the server 10, and the server 10 drives the terminal to display the corresponding content, including:
judging whether the comparison result is the result that the working key is consistent with the processing result;
if the comparison result is that the working key is consistent with the processing result, a feedback signal that the mobile positioning component 20 does not leave the designated isolation area is generated, the signal receiving unit 202 sends the feedback signal to the server 10, and the server 10 drives the terminal to display the corresponding content;
if the comparison result is that the working key is inconsistent with the processing result, a feedback signal indicating that the mobile positioning component 20 leaves the designated isolation area is generated, and the signal receiving unit 202 sends the feedback signal to the server 10, so that the server 10 drives the terminal to display the corresponding content.
It should be noted that, as can be clearly understood by those skilled in the art, the specific implementation process of the working method of the positioning device may refer to the corresponding description in the foregoing embodiment of the positioning device, and for convenience and conciseness of description, no further description is provided herein.
The technical contents of the present invention are further illustrated by the examples only for the convenience of the reader, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation based on the present invention is protected by the present invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The utility model provides a positioning device, its characterized in that, includes mobile location subassembly and server, the mobile location subassembly with the server is connected, the mobile location subassembly includes signal transmission unit and signal receiving unit, wherein, be equipped with the location chip in the signal receiving unit, be equipped with signal transmission controller and anti-disassembly subunit in the signal transmission unit, anti-disassembly subunit with the signal transmission controller is connected, the signal transmission controller with the signal receiving unit is connected, the signal receiving unit includes signal reception controller and anti-disassembly warning subunit, the signal reception controller with the anti-disassembly warning subunit is connected, the signal reception controller with the server is connected, the location chip with the signal reception controller is connected.
2. The positioning device as set forth in claim 1, wherein said anti-detachment subunit comprises an anti-detachment key K2, said anti-detachment key K2 being connected to said signal transmission controller.
3. The positioning apparatus according to claim 2, wherein the signal receiving unit comprises a power supply subunit, the detachment prevention alarm subunit comprises a transistor Q1102, a base of the transistor Q1102 is connected to the power supply subunit, an emitter of the transistor Q1102 is connected to the power supply subunit, a collector of the transistor Q1102 is grounded, and the signal emission controller is connected to the collector of the transistor Q1102.
4. The positioning apparatus as claimed in claim 3, wherein the emitter of the transistor Q1102 is connected to the power supply subunit through a plurality of pads.
5. The positioning apparatus of claim 3, wherein the collector of the transistor Q1102 is connected to ground via a resistor R1815.
6. The positioning device of claim 3, wherein a pull-down resistor R9008 is connected to the base of the transistor Q1102.
7. The positioning device of claim 1, further comprising a door access unit, wherein the door access unit is connected to the server.
8. The positioning device of claim 1, wherein the mobile positioning assembly further comprises a monitoring unit, the monitoring unit is connected to the server through a communication unit, and the positioning chip is connected to the server through the communication unit.
9. A method of operating a positioning device, comprising:
the server encrypts the character strings in a 3DES encryption mode according to the current timestamp and then reverses the order to obtain a working key;
the server sends the current timestamp and the working key to the signal receiving unit;
the signal receiving unit sends the working key to the signal transmitting unit;
the signal transmitting unit compares the received time stamp with the equipment time stamp to obtain a time difference;
the signal transmitting unit judges whether the time difference is larger than a preset threshold value or not;
when the time difference is not greater than a preset threshold value, extracting a timestamp of the signal transmitting unit, and carrying out encryption of a 3DES encryption algorithm and then reversing the sequence to obtain a processing result;
the signal transmitting unit returns the processing result to the signal receiving unit;
the signal receiving unit compares the working key with the processing result to obtain a comparison result;
the signal receiving unit generates corresponding feedback information according to the comparison result, the signal receiving unit sends the feedback information to the server, and the server drives the terminal to display corresponding content.
10. The operating method of a positioning apparatus according to claim 9, wherein the signal receiving unit generates corresponding feedback information according to the comparison result, and the signal receiving unit sends the feedback information to the server, and the server drives the terminal to display corresponding content, including:
judging whether the comparison result is a result that the working key is consistent with the processing result;
if the comparison result is that the working key is consistent with the processing result, generating a feedback signal that the mobile positioning component does not leave the designated isolation area, sending the feedback signal to the server by the signal receiving unit, and displaying corresponding content by the server driving terminal;
and if the comparison result is that the working key is inconsistent with the processing result, generating a feedback signal of the mobile positioning assembly leaving the designated isolation area, sending the feedback signal to the server by the signal receiving unit, and displaying corresponding content by the server driving terminal.
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| CN111366915B (en) | 2020-12-22 |
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Denomination of invention: A positioning device and its working method Effective date of registration: 20211022 Granted publication date: 20201222 Pledgee: China Co. truction Bank Corp Guangdong FTA pilot area branch Pledgor: Guangzhou Tongze Kangwei Intelligent Technology Co.,Ltd. Registration number: Y2021980011171 |
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