CN113251877B

CN113251877B - Beidou satellite detonator integrated circuit and method

Info

Publication number: CN113251877B
Application number: CN202110561278.6A
Authority: CN
Inventors: 陆秋实
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-22
Filing date: 2021-05-22
Publication date: 2023-07-21
Anticipated expiration: 2041-05-22
Also published as: CN113251877A

Abstract

The utility model relates to a Beidou satellite detonator integrated circuit and a method. The utility model can effectively track the moving track of the article in real time through the satellite positioning technology, and can effectively track and trace the source of the article through the RFID technology. The close combination of the RFID technology and the satellite positioning technology can accurately track the full life cycle track of the detonator.

Description

Beidou satellite detonator integrated circuit and method

Technical Field

The utility model relates to the field of circuit integration, in particular to a Beidou satellite detonator integrated circuit and a Beidou satellite detonator integrated method.

Background

The China Beidou satellite navigation system is a global satellite navigation system which is self-developed in China, and is also a third mature satellite navigation system after GPS and GLONASS.

RFID (radio frequency identification) technology (Radio Frequency Identification) is one of automatic identification technologies, and is used for performing non-contact two-way data communication in a wireless radio frequency mode, and reading and writing a recording medium (an electronic tag or a radio frequency card) in a wireless radio frequency mode, so that the purposes of identification and data exchange are achieved.

The traditional detonator tracing management method is to code a code on a tube shell by laser, and the method has the defects that: detonator information can only be input and compared manually, the efficiency is low, and manual operation is easy to make mistakes, so that information is missed, and the management difficulty is increased. The traditional detonator management method and management technology can not effectively track and monitor the detonator in real time and accurately.

In recent years, satellite positioning and RFID technology is widely applied to the field of Internet of things. The moving track of the article can be effectively tracked in real time by the satellite positioning technology, and the authenticity of the article can be effectively identified by the RFID technology. The combination of the two technologies can be applied to detonator management to effectively improve the detonator management level.

In the prior art, most of blasting sites are in the field, and the weight and the volume of equipment can influence the working strength of operators. If a plurality of modules work independently, a plurality of batteries are needed, the capacities of the plurality of batteries are difficult to match, and it may happen that a certain module battery fails to work due to electric conduction.

Disclosure of Invention

Aiming at the problems, the utility model provides the Beidou satellite detonator integrated circuit and the Beidou satellite detonator integrated method, which not only can solve the problems of positioning, tracking and tracing the detonator in the existing detonator supervision system, but also can effectively integrate each module and solve the problem that the whole system cannot work due to the fact that a certain module battery is not conductive.

The technical scheme of the utility model is realized as follows:

the Beidou satellite detonator integrated circuit comprises an integrated circuit with an RFID tag, a Beidou detonator initiation controller, a Beidou detonator collector, a battery base and a main controller;

the RFID tag is integrated in the detonator, and batteries of the Beidou detonator initiation controller, the Beidou detonator collector and the main controller are concentrated on the battery base; the battery module base is provided with a plurality of electrical interfaces, including a power output circuit and a communication bus;

a management IC is arranged in the battery base, each path of power supply output is controlled by an MOS tube, the main controller sends an instruction to the battery base to control the working power supply of each module, and the module power supply output is directly cut off when the corresponding module does not need to work;

the positive end of each Power supply output in the battery base is provided with a PMOS tube as a Power switch, one end of a protection resistor is connected with a Power EN pin and a pull-up resistor, and the other end of the protection resistor is connected with a PMOS tube base pin and is used for limiting inflow current of the PMOS tube base; one end of the pull-up resistor is connected with the source electrode pin of the PMOS tube, the other end of the pull-up resistor is also connected with the battery, the Power supply end of the module is connected with the drain electrode pin of the PMOS tube, the Power EN pin is controlled by the MCU in the battery base control panel, and when the Power EN pin is low, the Power is output.

Further, the Beidou detonator collector comprises MCU, FLASH, RAM, a power management circuit, an RFID read-write module, an encryption and decryption circuit and an interface circuit;

the FLASH and the RAM are connected with the MCU through buses, and the power supply management circuit converts a 12V input power supply into 5V, 3.3V and 1.8V power supplies required by the operation of each chip circuit in the circuit; the RFID read-write module is communicated with the tag circuit and transmits data between the collector MCU and the tag chip; the encryption and decryption circuit encrypts and decrypts the sensitive data transmitted on the interface bus; and the interface circuit is used for carrying out power transmission and data transmission between the battery base.

Further, the Beidou detonator collector obtains power input through the interface circuit to start working, the RFID read-write module collects unique electronic codes of detonators according to instructions of the main control module, encrypts collected detonator identity data through the encryption and decryption circuit, and transmits ciphertext data to the main controller according to a communication protocol through a communication bus in the interface circuit.

Further, the Beidou detonator initiation controller comprises MCU, FLASH, RAM, a low-voltage power management circuit, a high-voltage charge and discharge management circuit, an encryption and decryption circuit, an interface circuit and a key circuit;

the Beidou detonation control module is controlled by the main control module in operation authority, and receives an encrypted detonation control instruction sent by the main control module, so as to detonate the detonator according to requirements;

the FLASH and the RAM are connected with the MCU through buses, and a 12V input power supply is converted into 5V, 3.3V and 1.8V power supplies required by the operation of each chip circuit in the circuit by the power supply management circuit; the high-voltage charge-discharge management circuit boosts an input 12V power supply to 1000-1800V voltage required by the detonating primer, and manages charge-discharge operation of the detonating capacitor;

the encryption and decryption circuit encrypts and decrypts the sensitive data transmitted on the interface bus, the interface circuit and the battery base are subjected to power transmission and data transmission, and the key circuit is connected with the control button of the exploder.

Further, the main controller is communicated with the RFID read-write module to collect the unique identification code of the detonator RFID and control the authority of the detonation control module;

the main controller comprises MCU, FLASH, RAM, a power management circuit, a satellite positioning system, an encryption and decryption circuit, a wired interface circuit, a wireless communication interface circuit, an identification unit and a machine interface unit; the FLASH and the RAM are connected with the MCU through a bus.

Further, the power management circuit comprises a DC-DC voltage reduction circuit, a low dropout linear voltage stabilizing circuit, a battery charge and discharge management circuit and a detonation high-voltage boost charge management circuit.

Further, the man-machine interface unit comprises a display screen, a nixie tube, an LED lamp, a touch screen and keys.

Further, the main controller comprises a true random number generator, a cryptographic algorithm unit, a dynamic information generation unit and a wireless radio frequency communication unit;

the true random number generator provides dynamic random numbers in a cryptographic algorithm, generates dynamic keys and assists the dynamic information production unit to work;

the dynamic information generating unit generates dynamic anti-counterfeiting information, combines the position information in the integrated circuit, the unique code of the chip, other sensitive information stored in the integrated circuit and the random number and communicates the information to the outside, and prevents the unsafe exposure of the plaintext transmission of the information of the integrated circuit;

the cryptographic algorithm unit encrypts sensitive storage information, including UID and position information of the integrated circuit, to generate dynamic ciphertext.

The utility model also relates to a Beidou satellite detonator integration method which comprises the following steps:

the method comprises the steps of concentrating batteries of a Beidou detonator initiation controller, a Beidou detonator collector and a main controller on a battery base; all display screens and operation buttons are integrated in the main controller; all satellite positioning modules are integrated in the main controller;

in the battery base, each power output is controlled by an MOS tube, and the main controller sends an instruction to the battery base to control the working power supply of each module, so that the power output of the module is directly cut off when the corresponding module does not need to work.

In the utility model, the management IC in the battery base has the functions of managing power supply output besides the functions of over-flushing protection, charge and discharge management and electricity meter, each path of power supply output is controlled by one MOS tube, the main control module can send a command to the base to control the working power supply of each module, and the power supply output of the module can be directly cut off when the corresponding module does not need to work, so that the energy consumption is saved and the working time of equipment is prolonged.

The PMOS tube is used as a Power switch, the pull-up resistor ensures that the MOS tube is in a closed state when initializing, no Power output exists, the Power EN pin is controlled by the MCU, and when the Power EN pin is low, the Power output is realized.

The RFID tag is integrated in the detonator and cannot be taken out under the condition of not damaging the detonator structure, and the RFID tag is provided with a unique chip code which is bound with the detonator and is controlled along with the whole life cycle from production to explosion use of the detonator.

The main controller unit collects the unique identification code of the detonator RFID, and the unique identification code is bound with the position information collected by the satellite positioning unit and uploaded to the server, so that the position information of the detonator can be tracked in the whole process, and the detonator can be conveniently strictly managed and controlled by a management department.

The main controller binds operators and used detonator codes through the authentication operator identity information flow, and the whole process is digitally supervised. The authority control of the operators can effectively monitor the operation flow. The personnel without authorized authority can not detonate the detonator, and can remotely monitor the operation site.

Compared with the prior art, the utility model has the following beneficial effects:

1. the traditional detonator is based on the mode of identifying the detonator by the tube shell code, so that the on-site operation is inconvenient to register each detonator code, and only batch, number and number information of the detonators can be counted and rough management can be achieved. According to the utility model, the Beidou detonator collector, the Beidou detonator initiation controller and the main controller module are integrated, so that identity verification and statistics can be carried out on each detonator in field operation, binding is carried out with operators, and strict management and control on each detonator can be accurately achieved. The moving track of the article can be effectively tracked in real time through the satellite positioning technology, and the article can be effectively tracked and traced through the RFID technology. The close combination of the RFID technology and the satellite positioning technology can accurately track the full life cycle track of the detonator.

2. According to the utility model, a modularized design is adopted, the Beidou detonator collector, the Beidou detonator initiation controller and the main controller module are designed into a standard cube, and the battery module is designed into a base. The module adopts the buckle to be connected with the base, and each module electrical interface is unanimous completely, easy dismounting. The module can be disassembled and stored when not in use, and can be assembled for use after being quickly installed when in use. And according to actual field use condition, can be configured into the combination mode use of main control unit module + big dipper detonator collector or main control unit module + big dipper detonator detonating controller, need not all bring all modules each time, equipment load when reducing outdoor operation.

3. The modularized design reduces the design workload and the production cost, the same functional units of all modules are concentrated in the modules, for example, all the battery designs are integrated in the base, all the display screens and the operation buttons are integrated in the main controller, all the satellite positioning modules are integrated in the main controller, and each module unit only completes independent functions, so that the design repeated work can be greatly simplified, and the cost is reduced. According to the utility model, batteries of the Beidou detonator collector, the Beidou detonator initiation controller and the main controller module are uniformly concentrated on the battery holder, so that the problem that the whole system cannot work due to the fact that a certain module battery is not conductive is well solved.

The modularized design also reduces maintenance work, if which module has a problem, the module can be directly replaced, the maintenance is simple and convenient, and the use cost of customers is also reduced. The battery base is provided with a plurality of battery bases according to the estimated working time of the field operation, the battery is replaced in time without electric quantity, and the field operation is ensured not to be stopped because of the battery power shortage.

The modular design is convenient for the expansion of functions, the interfaces can be added on the base as required, and the newly added modules can be conveniently connected into the system according to the design of the uniform electrical interfaces.

Drawings

FIG. 1 is a schematic diagram of a circuit integrated architecture according to the present utility model;

FIG. 2 is a schematic diagram of a Beidou detonator collector of the present utility model;

FIG. 3 is a schematic diagram of a Beidou detonator initiation controller of the present utility model;

FIG. 4 is a schematic diagram of a master controller according to the present utility model;

fig. 5 is a schematic view of a base of a battery module according to the present utility model;

FIG. 6 is a schematic diagram of a modular assembly of the present utility model;

FIG. 7 is a circuit diagram of a modular power output control of the present utility model;

FIG. 8 is a flow chart of the working principle of the utility model;

fig. 9 is a schematic diagram of a communication encryption flow according to the present utility model.

Detailed Description

The following description of the embodiments will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. Based on the embodiments, all other embodiments that may be obtained by a person of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

Unless otherwise defined, technical or scientific terms used in the embodiments of the present application should be given a general meaning as understood by one of ordinary skill in the art. The terms "first," "second," and the like, as used in this embodiment, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. "upper", "lower", "left", "right", "transverse", and "vertical", etc. are used only with respect to the orientation of the components in the drawings, these directional terms are relative terms, which are used for descriptive and clarity with respect thereto and which may vary accordingly with respect to the orientation in which the components are disposed in the drawings.

As shown in fig. 1, the beidou satellite detonator integrated circuit of the embodiment comprises an integrated circuit of a detonator with an RFID tag, a beidou detonator initiation controller, a beidou detonator collector, a battery base and a main controller; identity authentication, man-machine interaction and background management are carried out through the main controller.

In this embodiment, the detonator, the Beidou detonator collector, the Beidou detonator initiation controller, the main controller and the battery module which are integrated with the RFID tag form a hardware system for Beidou satellite detonator collection, management and initiation control.

The RFID tag is integrated in the detonator, and batteries of the Beidou detonator initiation controller, the Beidou detonator collector and the main controller are concentrated on the battery base; the battery module base is provided with a plurality of electrical interfaces, including a power output circuit and a communication bus.

The RFID tag is integrated in the detonator in the production process of the detonator, and cannot be taken out under the condition of not damaging the structure of the detonator, and the method for taking out the RFID tag by damaging the detonator can cause the failure of the detonator. Therefore, the risk caused by the loss of the detonator can be greatly reduced, and the management and control level of the detonator can be improved.

The RFID tag has a unique chip code which is bound with the detonator through a management system in the detonator production process, and the code accompanies the whole life cycle from the completion of production, birth, sales, transportation and storage of the detonator to the end of explosion use.

The detonator integrated with the RFID tag integrates the passive RFID tag into the detonator to form a passive signal source, the RFID tag is provided with a unique chip code, the unique chip code is bound with the detonator and is used as the unique identification of the detonator, and the whole life cycle from production to explosion of the detonator is accompanied. The RFID tag is integrated in the detonator, rather than being simply stuck on the surface of the detonator shell, the detonator structure can be damaged when the RFID tag is taken out, and the RFID tag can be damaged and cannot be reused, so that the tightness and safety of detonator management are greatly enhanced.

The RFID tag comprises an RFID radio frequency circuit, an RFID baseband, a processor, data storage management, power management and an external pin connected with an external antenna. The RFID module is an electronic tag which works in a high-frequency band, accords with an NFC protocol or works in an ultrahigh-frequency band and accords with the RFID protocol.

The integrated circuit of the Beidou satellite detonator of the embodiment adopts a modularized design, the Beidou detonator collector, the Beidou detonator initiation controller and the main controller module are designed into a standard cube, and the battery module is designed into a base. The module adopts the buckle to be connected with the base, and each module electrical interface is unanimous completely, easy dismounting.

The detonator unique code acquisition module is used for communicating with the RFID tag integrated in the detonator and reading the detonator unique code, which is an identity card of the detonator and is the core of detonator management.

The satellite positioning and time service acquisition module is used for communicating with a satellite, acquiring real-time position coordinates and time information of the detonator, and accurately positioning a motion track in the life cycle of the detonator.

The operator identity acquisition and authentication module is used for acquiring and authenticating the operator identity information and strictly controlling the detonator operator to hold the certificate on duty.

As shown in fig. 6 and 7, a management IC is disposed in the battery base, each power output is controlled by a MOS tube, and the main controller sends an instruction to the battery base to control the working power of each module, and directly cuts off the power output of the module when the corresponding module does not need to work.

The base of the battery module is provided with a management IC, the IC not only manages the over-flushing and over-discharging protection of the battery, the charge and discharge management function and the electricity meter function, but also has the function of managing power output, each power output is controlled by one MOS tube, the main control module can send an instruction to the base to control the working power supply of each module, and the power output of the module can be directly cut off when the corresponding module does not need to work so as to save energy consumption and increase the working time of equipment.

As shown in FIG. 7, one end of the protection resistor R2 is connected with the Power EN pin and the pull-up resistor R1, and the other end is connected with the base electrode pin of the PMOS tube for limiting the inflow current of the base electrode of the PMOS tube; one end of the pull-up resistor R1 is connected with the source electrode pin of the PMOS tube, the other end of the pull-up resistor R1 is also connected with the battery, the Power supply end of the module is connected with the drain electrode pin of the PMOS tube, the Power EN pin is controlled by the MCU in the battery base control board, and when the Power EN pin is low, the Power is output.

As shown in FIG. 7, a PMOS tube is arranged at the positive end of each power output as a power switch, R1 is a pull-up resistor in the figure, the MOS tube is ensured to be in a closed state during initialization, no power output exists, and R2 is a protection resistor of the MOS tube. The Power EN pin is controlled by the MCU, and when the Power EN pin is low, the Power supply outputs.

As shown in fig. 2, the beidou detonator collector comprises MCU, FLASH, RAM, a power management circuit, an RFID read-write module, an encryption and decryption circuit and an interface circuit.

The Beidou detonator collector obtains power input through the interface circuit to start working, the RFID read-write module collects unique electronic codes of detonators according to instructions of the main control module, encrypts collected detonator identity data through the encryption and decryption circuit, and transmits ciphertext data to the main controller according to a communication protocol through a communication bus in the interface circuit.

As shown in fig. 3, the beidou detonator initiation controller comprises a MCU, FLASH, RAM, a low-voltage power management circuit, a high-voltage charge and discharge management circuit, an encryption and decryption circuit, an interface circuit and a key circuit.

The detonation control module is used for controlling the detonation of the detonator, controlling the detonation authority of the detonator according to the system command and detonating the detonator. The Beidou detonation control module operation authority is controlled by the main control module, and receives the encrypted detonation control instruction sent by the main control module, so as to detonate the detonator according to the requirement.

As shown in fig. 4, the main controller communicates with the RFID read-write module to collect the unique identification code of the detonator RFID and control the authority of the detonation control module; the main controller comprises MCU, FLASH, RAM, a power management circuit, a satellite positioning system, an encryption and decryption circuit, a wired interface circuit, a wireless communication interface circuit, an identification unit and a machine interface unit; the FLASH and the RAM are connected with the MCU through a bus.

The main controller module is communicated with the detonator unique code acquisition module to acquire a detonator RFID unique identification code, and the detonator unique identification code is bound with the position information acquired by the satellite positioning and time service acquisition module to be uploaded to the server, so that the detonator position information can be tracked in the whole process, and the management department can conveniently and strictly manage and control the detonator.

The main control module binds operators and used detonator codes through an authentication operator identity information process, and the whole process is digitally supervised. The authority of the field operators is strictly monitored, and the operation flow can be effectively monitored. The detonator without legal identity can not detonate, the personnel without authorized authority can not operate, and the remote monitoring can be carried out on the operation site.

The main controller is the core of the whole circuit and is responsible for processing the wireless communication information of the satellite positioning unit and the RFID signal unit, managing the work with the man-machine interaction of the operators, collecting the biological identification characteristic information of the operators, managing the use authority of the operators and the operation flow, and simultaneously managing the work of the memory and the power supply management and control unit.

The main controller can acquire the equipment list through communication with the battery module base, and can also send instructions to the base to control the working power supply of each module, and the module power supply output can be directly cut off when the corresponding module does not need to work, so that the energy consumption is saved, and the equipment working time is prolonged.

The power management circuit comprises a DC-DC voltage reduction circuit, a low-dropout linear voltage stabilizing circuit, a battery charge and discharge management circuit and a detonation high-voltage boost charge management circuit. The man-machine interface unit is responsible for the operation interaction work of the equipment and the operators. The man-machine interface unit comprises a display screen, a nixie tube, an LED lamp and other display devices, and also comprises a touch screen, keys and other input interfaces.

The main controller also comprises a true random number generator, a cryptographic algorithm unit, a dynamic information generating unit and a wireless radio frequency communication unit;

The man-machine interface unit of the present embodiment is responsible for the operation interworking of the device and the operator. The man-machine interface unit comprises a display screen, a nixie tube, an LED lamp and other display devices, and also comprises a touch screen, keys and other input interfaces.

The communication interface of the present embodiment includes data communication between units and communication of the entire integrated circuit with the background management server. The communication interfaces include, but are not limited to, wired interfaces such as USB, serial, RJ45, and wireless communication interfaces such as RF, NB-IOT, 2G, 3G, 4G, 5G, and the like.

The identity recognition unit of the embodiment is used for recognizing the identity of the operator, and the technology comprises the steps of collecting the biological recognition characteristic value of the operator or reading the identification data which can be used as the identification of the operator. Wherein the biological recognition features comprise fingerprints, irises, faces and the like, and the identification data comprises an identification card, a employee card, a job card and the like.

The satellite positioning system on chip of the embodiment includes one or all of Beidou, GPS and GLONASS.

The battery module base of this embodiment is shown in fig. 5, and there is a management IC in the battery module base, and this IC has the function of managing power output in addition to the function of managing battery overdischarge protection, charge-discharge management, and the function of electricity meter, and every power output is controlled by a MOS tube, and there is a proximity switch in the position where each module is installed for detecting whether the module is well connected, and when the battery module base detects that the module is connected, the power output in the corresponding position is opened. The management IC then issues a device query instruction to register the device number if the device replies correctly.

In this embodiment, the battery base is responsible for providing the energy supply for whole big dipper satellite detonator system, and the base still is the bearing assembly of other modules simultaneously, provides communication bus connection, power output tube accuse's function. As shown in fig. 5, the battery module includes a lithium battery, a battery protection board, a charge/discharge management circuit, a battery electricity meter circuit, and a power output management function.

As shown in fig. 6, in this embodiment, the beidou detonator collector 1, the beidou detonator initiation controller 2 and the main controller 3 are designed as standard cubes, and the battery module is designed as the base 4. The battery base 4 has a plurality of electrical interfaces for connection to a plurality of modules, the interfaces including a power output line and a communication bus. The Beidou detonator collector 1, the Beidou detonator detonation controller 2 and the main controller 3 are connected and fixed on the base 4 through buckles, an electric interface is arranged on the module, the interface is matched with the interface on the base in a male-female mode, the electric interface is reliably connected when the base structure is inserted into the module for locking, the module obtains power supply through the electric interface, and meanwhile, data are mutually transmitted through the communication bus.

The Beidou detonator collector, the Beidou detonator initiation controller and the main controller module are connected to the communication bus through the electrical interface on the base, as the optimization, IIC, SPI, RS and RS485 can be adopted in the communication protocol, all devices are connected to the same bus, different communication objects are distinguished through address codes, so that the number of the communication bus can be saved, and the cost of the devices is reduced.

The Beidou satellite detonator integration method of the embodiment comprises the following steps:

The communication between the modules and the communication of the system are encrypted and transmitted, so that the safe transmission of sensitive data can be ensured.

The modules can be combined in different integration modes according to management needs and project actual needs, and the modules are controlled to work in a unified and coordinated mode through the detonator management system, so that strict supervision on detonators is realized.

The workflow of this embodiment is shown in fig. 8:

after the equipment is powered on, an operator is required to log in, and the identity of a legal operator is confirmed through a biological identification or certificate identification method.

And reading the detonator ID by reading the detonator electronic tag through the RFID reader.

And acquiring the position information of the detonator by a satellite positioning unit. And binding the position information with the detonator ID and uploading the position information to the background.

Determining the detonator ID, and comparing whether the detonator ID is legal or not in an online or offline mode.

The detonation operator logs in, and confirms the identity of legal operators through a biological identification or certificate identification method.

And after the detonation operator authenticates legal, the main control unit sends detonation permission.

Sensitive data in communication needs to be encrypted. The sensitive data comprises detonator ID, satellite positioning information, personnel identity authentication information, authority management information and other information influencing detonator management safety.

The communication process comprises bus communication in each circuit unit and the communication process between the whole integrated circuit and a background server, so that the integrity and reliability of communication data are ensured, and the communication data are not tampered maliciously. The encryption flow is as shown in fig. 9:

the random number generation unit generates a random number, which is encoded into a new data stream in combination with the sensitive information.

The random number generating unit generates a dynamic key or downloads a working key in an asymmetric encryption mode.

Encrypting the recoded data stream by using the working key, and transmitting the encrypted ciphertext through a communication interface.

The information receiving unit decrypts the ciphertext by using the working key to obtain a complete information plaintext. And executing corresponding processing operation.

In summary, the embodiment can effectively track the moving track of the article in real time through the satellite positioning technology, and can effectively track and trace the source of the article through the RFID technology. The close combination of the RFID technology and the satellite positioning technology can accurately track the full life cycle track of the detonator.

The main controller collects the unique identification code of the detonator RFID, and the unique identification code is bound with the position information collected by the satellite positioning unit and uploaded to the server, so that the position information of the detonator can be tracked in the whole process, and the detonator can be conveniently strictly managed and controlled by a management department.

The traditional detonator is based on the mode of identifying the detonator by the tube shell code, so that the on-site operation is inconvenient to register each detonator code, and only batch, number and number information of the detonators can be counted and rough management can be achieved. According to the utility model, the Beidou detonator collector, the Beidou detonator initiation controller and the main controller module are integrated, so that identity verification and statistics can be carried out on each detonator in field operation, binding is carried out with operators, and strict management and control on each detonator can be accurately achieved.

The embodiment adopts a modularized design, designs the Beidou detonator collector, the Beidou detonator initiation controller and the main controller module into a standard cube, and designs the battery module into a base. The module adopts the buckle to be connected with the base, and each module electrical interface is unanimous completely, easy dismounting. The module can be disassembled and stored when not in use, and can be assembled for use after being quickly installed when in use. And according to actual field use condition, can be configured into the combination mode use of main control unit module + big dipper detonator collector or main control unit module + big dipper detonator detonating controller, need not all bring all modules each time, equipment load when reducing outdoor operation.

The explosion field is mostly in the field, and the weight and the volume of equipment can influence the working strength of operators. If the Beidou detonator collector, the Beidou detonator initiation controller and the main controller module are three modules which work independently, three batteries are needed, the capacities of the three batteries are difficult to match, and the situation that the whole system cannot work due to the fact that a certain module battery is not conductive can often occur. The batteries of the three modules are uniformly concentrated on the battery holder, so that the problem is well solved.

The modularized design reduces the design workload and the production cost, the same functional units of all modules are concentrated in the modules, such as the bases in all battery designs, all display screens and operation buttons are integrated in the main controller, all satellite positioning modules are integrated in the main controller, and each module unit only completes independent functions, so that the design repetition work can be greatly simplified, and the cost is reduced.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a big dipper satellite detonator integrated circuit which characterized in that: the integrated circuit comprises a detonator with an RFID tag, a Beidou detonator initiation controller, a Beidou detonator collector, a battery base and a main controller;

the RFID tag is integrated in the detonator, and batteries of the Beidou detonator initiation controller, the Beidou detonator collector and the main controller are concentrated on the battery base; the battery base is provided with a plurality of electrical interfaces, including a power output line and a communication bus;

the positive end of each Power supply output in the battery base is provided with a PMOS tube as a Power switch, one end of a protection resistor is connected with a Power EN pin and a pull-up resistor, and the other end of the protection resistor is connected with a PMOS tube base pin and is used for limiting inflow current of the PMOS tube base; one end of the pull-up resistor is connected with a source pin of the PMOS tube, the other end of the pull-up resistor is also connected with the battery, a module Power supply end is connected with a drain pin of the PMOS tube, a Power EN pin is controlled by an MCU in a battery base control board, and when the Power EN pin is low, the Power is output;

the Beidou detonator collector comprises MCU, FLASH, RAM, a power management circuit, an RFID read-write module, an encryption and decryption circuit and an interface circuit;

the FLASH and the RAM are connected with the MCU through buses, and the power supply management circuit converts a 12V input power supply into 5V, 3.3V and 1.8V power supplies required by the operation of each chip circuit in the circuit; the RFID read-write module is communicated with the tag circuit and transmits data between the collector MCU and the RFID tag chip; the encryption and decryption circuit encrypts and decrypts the sensitive data transmitted on the bus; the interface circuit is used for carrying out power transmission and data transmission between the battery base;

the Beidou detonator initiation controller comprises MCU, FLASH, RAM, a low-voltage power management circuit, a high-voltage charge and discharge management circuit, an encryption and decryption circuit, an interface circuit and a key circuit;

the operation authority of the Beidou detonator initiation controller is controlled by the main controller, and the encrypted initiation control instruction sent by the main controller is received to initiate the detonator according to the requirement;

the encryption and decryption circuit encrypts and decrypts the sensitive data transmitted on the bus, the interface circuit performs power transmission and data transmission between the battery base, and the key circuit is connected with the control button of the detonation controller;

the main controller is communicated with the RFID read-write module to collect the unique identification code of the detonator RFID and control the authority of the detonation controller;

2. The beidou satellite detonator integrated circuit of claim 1 wherein: the Beidou detonator collector obtains power input through the interface circuit to start working, the RFID read-write module collects unique identification codes of the detonator RFID according to the instruction of the main controller, encrypts collected detonator identity data through the encryption and decryption circuit, and transmits ciphertext data to the main controller according to a communication protocol through a communication bus in the interface circuit.

3. The beidou satellite detonator integrated circuit of claim 1 wherein: the main controller power management circuit comprises a DC-DC voltage reduction circuit, a low-dropout linear voltage stabilizing circuit, a battery charge and discharge management circuit and a detonation high-voltage boost charge management circuit.

4. The beidou satellite detonator integrated circuit of claim 1 wherein: the man-machine interface unit comprises a display screen, a nixie tube, an LED lamp, a touch screen and keys.

5. The beidou satellite detonator integrated circuit of claim 1 wherein: the main controller comprises a true random number generator, a cipher algorithm unit, a dynamic information generating unit and a wireless radio frequency communication unit;

the true random number generator provides dynamic random numbers in the cipher algorithm unit, generates dynamic keys and assists the dynamic information generation unit to work;

the dynamic information generating unit generates dynamic anti-counterfeiting information, combines the position information in the integrated circuit, the unique identification code of the detonator RFID, other sensitive information stored in the integrated circuit and the random number and communicates the information to the outside, so that unsafe exposure of the information plaintext transmission of the integrated circuit is prevented;

6. The Beidou satellite detonator integration method is characterized by comprising the following steps of: a beidou satellite detonator integrated circuit suitable for use in any one of claims 1 to 5, the method comprising:

the method comprises the steps of concentrating batteries of a Beidou detonator initiation controller, a Beidou detonator collector and a main controller on a battery base; all display screens and operation buttons are integrated in the main controller; all satellite positioning systems are integrated in the main controller;