CN210142323U - Gun real-time positioning module - Google Patents

Abstract

The utility model discloses a gun real-time location module, including the location detect box, set up the first electronic tags on gun and be used for the cover to establish the gun's gun case, inner wall embedding at the gun case is provided with first reading and writing antenna and attitude sensor, the location detect box includes the box body, location detection circuitry and second electronic tags of setting in the box body, location detection circuitry includes central processing unit, RFID read write line, second reading and writing antenna, data communication interface and location antenna module, first reading and writing antenna and second reading and writing antenna are connected with the RFID read write line through the detachable wire respectively, this RFID read write line with central processing unit connects, the communication end of data communication interface, the data end of location antenna module and attitude sensor's output respectively with central processing unit connects. The utility model discloses can acquire in real time and hold rifle person or gun current location information and send location alarm information simultaneously, effectively prevent that gun from losing.

Description

Gun real-time positioning module

Technical Field

The utility model belongs to the technical field of gun location and detection, especially, relate to a gun real-time location module.

Background

In recent years, a plurality of guns and ammunitions for robbing and stealing military police on duty have been generated in various countries, which bring harm to personal safety and social stability of people, and therefore, the on-site and off-site management and the positioning and tracking after off-site of the guns are the problems to be solved by the governments of various countries. When the gun on duty is out of position, the gun on duty needs to be quickly detected and alarm in a short time, and the gun which is out of position abnormally needs to be positioned, tracked and timely positioned or recovered. At present, positioning equipment and systems on the market are single basic positioning functions, and do not have a set of integral monitoring functions of managing and controlling, detecting, alarming and positioning guns, gun units need to spend certain manpower resources to monitor tracks of guns after delivery, whether gun holding personnel leave a designated gun holding area is observed, and the gun holding personnel can only be reminded to return to the designated area through telephone contact. Therefore, a gun unit is provided with a positioning module which has a gun real-time positioning function, can control the activity area of the gun and remind alarm information distribution, when the gun leaves a sheath, or the gun is not lost due to the fact that the gun is not prompted for preventing the gun from falling, or the gun is not used in a standard manner by the gun, the gun needs to be detected and tracked in a positioning mode, the problem is solved, the gun is supervised, the gun is legal and is correctly used, and the life safety of the gun is protected to become a business emergency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gun real-time location module, according to the utility model discloses a location module can acquire the present big dipper of the gun holder or gun and GPS positioning information in real time, sends positioning alarm information simultaneously; after the monitoring server receives the positioning alarm information, the alarm generating place and the occurrence condition are obtained through the positioning antenna module, so that gun loss is effectively prevented. In order to achieve the above purpose, the utility model adopts the following technical scheme:

according to one aspect of the utility model, a real-time positioning module of a gun is provided, which comprises a positioning detection box, a first electronic label arranged on the gun and a gun sleeve for sleeving the gun, a first read-write antenna and an attitude sensor are embedded in the inner wall of the gun case, the positioning detection box comprises a box body, a positioning detection circuit and a second electronic tag which are arranged in the box body, the positioning detection circuit comprises a central processing unit, an RFID reader-writer, a second reading-writing antenna, a data communication interface and a positioning antenna module, the output end of the first read-write antenna and the output end of the second read-write antenna are respectively connected with the input end of the RFID reader-writer through detachable wires, the output end of the RFID reader-writer is connected with the read-write input end of the central processing unit, and the communication end of the data communication interface, the data end of the positioning antenna module and the output end of the attitude sensor are respectively connected with the central processing unit.

Further preferably in the above scheme, the positioning antenna module includes an array antenna unit U1, an antenna matching circuit U2, a positioning antenna pedestal U3, a filter circuit U4 and a signal amplification circuit U5, an output end of the array antenna unit U1 is connected to an input end of the positioning antenna pedestal U3 through an antenna matching circuit U2, an output end of the positioning antenna pedestal U3 is connected to an input end of the signal amplification circuit U5 through a filter circuit U4, and an output end of the signal amplification circuit U5 is connected to a positioning control end of the central processing unit.

Further preferably, the antenna matching circuit U2 includes a TVS diode, a capacitor C1, a resistor R1, an inductor L1 and a connection plug MC, the filter circuit U4 includes an acoustic surface filter FL, a capacitor C2, a capacitor C3, a capacitor C4, an inductor L2 and an inductor L3, the signal amplification circuit U5 includes a signal amplification chip FA, a capacitor C5, a capacitor C6, a capacitor C7 and an inductor L2, an output terminal of the array antenna unit U1 is respectively connected with a cathode of the TVS diode, one end of the capacitor C1 and one end of the resistor R1 through wires, the other end of the resistor R1 is respectively connected with one end of the inductor L1 and one end of the connection plug MC, the other end of the connection plug MC is detachably matched and plugged in a socket hole of the positioning antenna base U3, an output terminal of the positioning antenna base U3 is connected with one end of the capacitor C3, the other end of the capacitor C3 is respectively connected with one end of the inductor L3, the other end of the capacitor C3 is connected to an input end of a surface acoustic wave filter FL, an output end of the surface acoustic wave filter FL is connected to a signal input end of the signal amplification chip FA through a capacitor C4 and an inductor L3, a signal output end of the signal amplification chip FA is connected to one end of a capacitor C5, the other end of the capacitor C5 is connected to one end of a capacitor C6 and one end of a capacitor C7, the other end of the capacitor C7 is connected to one end of an inductor L4 and a positioning input end of a central processing unit, a power supply control end of the signal amplification chip FA is connected to a positioning voltage control end of the central processing unit, and an anode of the TVS diode, the other end of the capacitor C1, the other end of the inductor L1, the other end of the capacitor C6 and the other end of the inductor L6 are.

Further preferably, the positioning antenna mount U3 is one of an SMA antenna mount, a pcb antenna mount, a u.fl antenna mount or an IPX/IPEX antenna mount, and the model of the surface acoustic filter FL is SAFFB1G56AC0F 0A.

Further preferably, the signal amplification chip FA is a low noise amplification chip, and the model of the low noise amplification chip is BGA725L6 low noise amplification chip.

Preferably, the positioning detection circuit further includes an antenna switch and a data memory, the output terminal of the first read-write antenna and the output terminal of the second read-write antenna are respectively connected to the input terminal of the antenna switch, the output terminal of the antenna switch is connected to the central processor through an RFID reader/writer, and the data terminal of the data memory is connected to the radio frequency read/write terminal of the central processor.

In a further preferred embodiment of the above scheme, the positioning detection circuit further comprises a metal proximity switch, the metal proximity switch is embedded in the inner wall of the holster, and the output end of the metal proximity switch is connected with the central processing unit.

To sum up, because the utility model adopts the above technical scheme, the utility model discloses following technological effect has:

(1) the utility model discloses a positioning module can acquire present big dipper of the person of holding the rifle or gun and GPS positioning information in real time, sends positioning alarm information simultaneously; after the monitoring server receives the positioning alarm information, the monitoring server inquires an alarm occurrence place and an occurrence situation through the positioning antenna module to judge whether personnel deployment and control are needed or not so as to effectively prevent gun loss, effectively prevent gun dislocation of a gun holder and position of the gun, and improve the advantage of scientific management level of the gun;

(2) the utility model discloses a gun real-time location module passes through RFID read write line and metal proximity switch real-time detection gun from the position and go out the sheath condition and in time remind the rifle people, impels to wear, use the gun action with the rifle people standard, has saved the development cost that gun detected. The utility model discloses a read the data in the gun electronic label in real time to the RFID read write line to electronic label on the gun carries out discernment control, and electronic label has better stability, directionality, reads advantages such as the distance is far away, can acquire gun current state in real time and hold rifle people information etc. the management of the gun label of being convenient for. When the gunman suffers from the attack, the gun is robbed or tampered from the position of the gun case, and the off-position and the off-position time of the gun are identified, so that the gun management center can conveniently react at the first time.

Drawings

Fig. 1 is a schematic structural diagram of a real-time gun positioning module according to the present invention;

fig. 2 is a schematic diagram of a positioning detection of a gun real-time positioning module according to the present invention;

fig. 3 is a schematic diagram of a control circuit of the antenna changeover switch circuit of the present invention;

fig. 4 is a schematic circuit diagram of the positioning antenna module of the present invention;

in the drawing, a positioning detection box 1, a gun 2, a holster 3, a first electronic tag 20, a first read-write antenna 30, an attitude sensor 31, a metal proximity switch 32, a second electronic tag 40, a box 100, a serial belt loop 101, a positioning detection circuit 200, a central processing unit 201, an RFID reader-writer 202, an antenna switch 203, a second read-write antenna 204, a data communication interface 206, a positioning antenna module 207, a data storage 206, a positioning module interface 207, and a monitoring server 300.

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 further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

As shown in fig. 1 and fig. 2, according to the present invention, a real-time gun positioning module comprises a positioning detection box 1, a first electronic tag 20 disposed on a gun 2, and a holster 3 for covering the gun 2, wherein a first read/write antenna 30 and an attitude sensor 31 are embedded in an inner wall of the holster 3, the positioning detection box 1 comprises a box body 100, a positioning detection circuit 200 disposed in the box body 100, and a second electronic tag 40, the second electronic tag 40 is used for storing and detecting tag information (position information/bit number) of the positioning detection box 1 or the gun 2, the positioning detection circuit 200 comprises a central processor 201, an RFID reader/writer 202, a second read/write antenna 204, a data communication interface 205, and a positioning antenna module 207, an output end of the first read/write antenna 30 and an output end of the second read/write antenna 204 are respectively connected with an input end of the RFID reader/writer 202 through detachable wires, the output end of the RFID reader-writer 202 is connected to the read-write input end of the central processing unit 201, and the communication end of the data communication interface 205, the data end of the positioning antenna module 207, and the output end of the attitude sensor 31 are respectively connected to the central processing unit. The utility model discloses a big dipper chip + GPS double mode carries out the location data collection, adopts attitude sensor 31 location detection gun to fall (or hold the rifle people and tumble) the state and install passive RFID read write line 202 additional as gun verification information, after detecting gun dislocation or fall state information, central processing unit 201 through data communication interface 205 with gun dislocation, fall state information and hold the positioning information propelling movement of rifle people or gun to the monitoring server 300 (service platform) of gun, after the monitoring server 300 (service platform) of gun received gun dislocation or fall alarm data, and judge the gun state, gun manager receives alarm information according to monitoring server 300 after, accessible location antenna module 207 acquires warning place and emergence condition, with judge whether need carry on personnel and deploy the accuse or track. Because the RFID gun information chip is additionally arranged on the gun, the gun is activated and bound by using the scanner when being delivered out of a warehouse, and the RFID gun information chip is matched with the positioning antenna module 207 for associated use. The positioning antenna module 207 is detachably connected with the gun through a wire; therefore, the gun and locator positioning antenna module 207 is not matched with one-to-one equipment for use any more, the manufacturing cost is too high for some gun warehouses with larger storage capacity, the positioning antenna module 207 can be positioned in real time after the gun is taken out of the warehouse, the utilization rate of most positioning antenna modules 207 stored in the warehouse is not high, the manufacturing cost of users is reduced, and the binding mode is flexible, namely the quantity of the positioning detection boxes 1 and the positioning antenna modules 207 is reduced, the guns and the positioning detection boxes 1 are matched according to a certain proportion, the gun, the positioning detection boxes 1 and the positioning antenna modules 207 are placed on a scanner for scanning when the gun is taken out of the warehouse, the scanner transmits data to a system for gun number soft association and MAC addresses of the positioning antenna modules 207, and the positioning antenna modules 207 are triggered and are hard associated with RFID chips of the gun, flexible one-to-one binding is realized; the positioning detection box 1 communicates with the monitoring server 300 in a TCP manner, and needs to be accessed strictly according to a defined interface standard, so as to ensure that an interface for transmitting and calling positioning data is transmitted, and ensure accuracy and safety of the data.

In the present invention, referring to fig. 1 and fig. 2, the positioning detection circuit 200 further includes a metal proximity switch 32, the metal proximity switch 32 is embedded in the inner wall of the holster 3, and the output end of the metal proximity switch 32 is connected to the central processing unit; the utility model detects the state of the gun 2 in real time through the first read-write antenna 30, the attitude sensor 31, the metal proximity switch 32, the MPU6050 sensor as the model of the attitude sensor 31, the 3-axis gyroscope and the 3-axis acceleration are integrated in the device, the detection is very accurate, each channel is provided with a 16-bit ADC (analog to digital converter), the acceleration in three axial directions of XYZ can be captured simultaneously, the first electronic tag 20 is fixedly arranged on the stock of the firearm 2 without interfering with the normal use of the firearm 2, but also avoids the occurrence of false detection, the performance of the first electronic tag 20 is not affected by the metal of the gun 2, the effect of resisting external electromagnetic interference is strong, the first read-write antenna 30 is used for reading gun information and matching data stored in the first electronic tag 20, the read-write antenna is generally arranged by a plurality of circles of copper foil at equal intervals and distributed on the surface of the layer insulation film in a circular loop shape, and the data information of the electronic tag on the gun 2 is wirelessly identified through the read-write antenna; the output end of the first read-write antenna 30 and the output end of the metal proximity switch 32 are electrically connected with the positioning detection box 1 in the detection control box 1; the outer wall of the box body 100 is provided with the belt loop 101, a gunman wears the gun case 3 and the box body 100 on the same waistband of the gunman, meanwhile, the box body 100 is worn on the waistband of the gunman through the belt loop 101, the metal proximity switch is a three-wire proximity switch, the metal proximity switch is a TL-W5MC1 proximity switch, the capability of preventing mutual interference is strong, and the metal proximity switch is used for detecting magnetic metal or non-magnetic metal in a short distance to detect whether the gun 2 is separated from the gun case 3; the positioning detection circuit further comprises an antenna changeover switch 203 and a data memory 206, wherein the output end of the first read-write antenna and the output end of the second read-write antenna are respectively connected with the input end of the antenna changeover switch 203, the output end of the antenna changeover switch 203 is connected with the central processor through an RFID reader-writer, and the data end of the data memory 206 is connected with the radio frequency read-write end of the central processor; in the present invention, in conjunction with fig. 1 and fig. 2, the antenna switch 203 is a manual switch or an electronic automatic switch, the electronic automatic switch uses a low-cost SPDT switch MHC197BE chip U6, the MHC197BE chip is in an off state, RF1 and RF2 reflect short circuit, the direct current required for two control voltages is very small and compatible with most CMOS and TTL logic levels, and can control signals in the DC-3 GHz range, especially suitable for ISM applications with losses lower than 1dB of 900MHz, 1.8-2.2GHz and 2.4GHz, the first read-write antenna 30 recognizes the acquired data and couples the acquired data to the first input RF1 of the MHC197BE chip U1 through a capacitor C8, the second read-write antenna 204 recognizes the acquired data and couples the acquired data to the second input RF2 of the MHC197BE chip U1 through a capacitor C9, and the output of the MHC197BE chip U1 couples the rfdd 202 through a capacitor C10, wherein, RFID read write line 202 through serial bus with central processing unit 201 carries out communication connection, when the logic output control end of central processing unit 201 controls MHC197BE chip U1 and makes it output high level or low level, thereby switch over output RFC and second input RF2 of MHC197BE chip U1 and switch on or with first input RF1, when holding the rifle and using the gun, gun manager enters gun information through second electronic tags 40, make gun information bind with gun 2, central processing unit 201 reads gun information and location position (location number) in to second electronic tags 40 through second read-write antenna 205, thereby bind gun information, can carry out real-time location to the gun in real time through gun and central processing unit binding the back.

In the present invention, as shown in fig. 1, fig. 2 and fig. 3, since each detection control box 1 is bound with a positioning information (positioning number), the second read-write antenna 204 is used for reading the positioning information (positioning number) of the detection control box 1 or gun 2 stored in the second electronic tag 40, the output end of the first read-write antenna 30 and the output end of the second read-write antenna 204 are respectively connected to the input end of the antenna switch 203, and the output end of the antenna switch 203 is connected to the central processing unit 201 through the RFID reader 202; the data memory 206 is an external RAM and a Flash, and is used for storing programs and storing data, the model adopted by the central processing unit 201 is an MT2503 chip, the MT2503 chip supports a GPS positioning and Beidou positioning dual satellite system, the MT2503 chip is a highly integrated System In Package (SiP) with a very small area, the MT2503 chip is provided with Bluetooth3.0 and multiple satellite positioning system support, a 2G modem and GSM/GPRS communication are integrated, and a core unit of the single chip microcomputer is an ARM7EJ-S core; the data communication interface is an SIM card interface, GPRS or GSM remote communication can be realized by only inserting an SIM card into the SIM card interface during use, the SIM card interface is used for placing the SIM card and is connected with a communication pin USIM of the MT2503 chip, remote communication between the MT2503 chip and a monitoring server 300 (a background management server) arranged at a far end is realized through a GSM/GPRS communication module arranged in the MT2503 chip, the detected gun off-position alarm information is sent to the monitoring server 300, and a background manager can know the positioning information of the gun in real time through the monitoring server 300.

In the present invention, with reference to fig. 2, the positioning antenna module 207 includes an array antenna unit U1, an antenna matching circuit U2, a positioning antenna pedestal U3, a filter circuit U4 and a signal amplification circuit U5, an output end of the array antenna unit U1 is connected to an input end of the positioning antenna pedestal U3 through an antenna matching circuit U2, an output end of the positioning antenna pedestal U3 is connected to an input end of the signal amplification circuit U5 through a filter circuit U4, an output end of the signal amplification circuit U5 is connected to a positioning control end (GPS _ RFIN) of the central processing unit, and the positioning antenna pedestal U3 is one of an SMA antenna pedestal, a pcb antenna pedestal, a u.fl antenna pedestal or an IPX/IPEX antenna pedestal; the antenna matching circuit U2 comprises a TVS diode, a capacitor C1, a resistor R1, an inductor L1 and a connecting plug MC, the filter circuit U4 comprises a surface acoustic filter FL, a capacitor C2, a capacitor C3, a capacitor C4, an inductor L2 and an inductor L3, the model of the surface acoustic filter FL is SAFFB1G56AC0F0A, the signal amplification circuit U5 comprises a signal amplification chip FA, a capacitor C5, a capacitor C6, a capacitor C7 and an inductor L2, the signal amplification chip FA is a low-noise amplification chip, the model of the low-noise amplification chip is BGA725L6 low-noise amplifier chip, the BGA725L6 is powered by a power supply of 1.5V to 3.6V, is an advanced low-noise amplifier and is suitable for a Global Navigation Satellite System (GNSS), and is suitable for use at a frequency of 1550MHz to 1615MHz, and can provide 20.0dB gain and 0.65dB noise coefficient. The output end of the array antenna unit U1 is connected to the cathode of the TVS diode, one end of the capacitor C1 and one end of the resistor R1 respectively through wires, the other end of the resistor R1 is connected to one end of the inductor L1 and one end of the connection plug MC respectively, the other end of the connection plug MC is detachably matched and plugged into the jack of the positioning antenna base U3, the output end of the positioning antenna base U3 is connected to one end of the capacitor C2, the other end of the capacitor C2 is connected to one end of the capacitor C3 and the inductor L2 respectively, the other end of the capacitor C3 is connected to the input end 596 of the saw filter FL, the output end of the saw filter FL is connected to the signal input end of the signal amplification chip FA through the capacitor C4 and the inductor L3, the signal output end of the signal amplification chip FA is connected to one end of the capacitor C5, and the other end of the capacitor C5 is connected to one end of the capacitor C6 and one end, the other end of the capacitor C7 is connected to one end of the inductor L4 and the positioning input end of the central processing unit, the power control end of the signal amplification chip FA is connected to the positioning voltage control end of the central processing unit, and the anode of the TVS diode, the other end of the capacitor C1, the other end of the inductor L1, the other end of the capacitor C6 and the other end of the inductor L6 are connected to ground. The signal output by the positioning antenna pedestal U3 is subjected to frequency selection through a capacitor C2 coupling and an LC parallel resonance circuit consisting of a capacitor C3 and an inductor L2, noise can be effectively filtered (clutter is removed) through an SAFFB1G56AC0F0A acoustic surface filter, and then frequency selection is carried out through an LC series resonance circuit so as to improve the noise ratio of the signal; and then the received signals are input to a low noise amplifier for effective amplification treatment, so that the accuracy and reliability of navigation positioning are effectively improved, therefore, the signals are amplified through the low noise amplifier, interference signals in the low noise amplified signals are inhibited through a coupling and filtering circuit consisting of a capacitor C5, a capacitor C6, a capacitor C7 and an inductor L2, and the filtered signals are transmitted to a navigation module of a MT2503 chip for GPS positioning and Beidou positioning. The array antenna unit U1 is used for converting Beidou satellite signals and weak electromagnetic signals of a GPS satellite into current signals, and the array antenna unit U1 is connected with a TVS diode, a capacitor C1, a resistor R1 and an inductor L1 through a wire to form a matching circuit, and then is connected with a connecting plug MC to form an antenna matching circuit, so that good resonant frequency is formed between the array antenna unit U1 and a GPS module and a Beidou positioning module which are arranged in a central processing unit; the TVS diode has a clamping function, extremely low breakdown voltage and extremely small package, is used for absorbing instantaneous overhigh voltage or current and can protect the back-end circuit from being damaged by external static electricity; the positioning antenna seat U3, the filter circuit U4 and the signal amplifying circuit U5 are fixedly arranged in the box body 100 through a PCB to form a positioning module interface, at the moment, the positioning antenna seat U3 is an access end of the positioning module interface and is detachably matched and connected with the connecting plug MC, the output end of the signal amplifying circuit U5 is connected with the positioning port of the MT2503 chip, because the MT2503 chip is integrated with a GPS positioning module and a Beidou positioning module, the GPS positioning or the Beidou positioning is realized by utilizing the GPS positioning module and the Beidou positioning module, the array antenna unit U1 continuously receives the Beidou positioning information and the GPS positioning information, then sends the received positioning data information to the central processor 201, and sends the gun positioning information obtained after processing from the central processor 201, and sends the gun positioning information through the data communication interface 205 in a data format of the GPS positioning or the data format of the Beidou positioning, the gun holder or the monitoring server 300 can obtain the positioning information of the gun in time, the RFID reader-writer 202 adopts a remote ultrahigh frequency tag reading head module RF100 chip, the size is small, the power consumption is low, the working frequency range is 840MHz-928MHz, and the RFID reader-writer 202(RF100 chip) is connected with the central processing unit 201 through a UART (3.3V) serial port.

In the present invention, as shown in fig. 1, 2, 3 and 3, each time the gun holder uses the gun, the gun manager needs to apply for receiving the gun, the manager inputs the gun, the basic information of the holder and the positioning information (positioning number) into the first electronic tag 20 and the second electronic tag 40 on the gun 2 through the monitoring server 300, firstly, the manager sends a positioning information input command and inputs the positioning number and the reading range into the second electronic tag 40, then, the central processing unit 201 outputs a control command to connect the second input end of the antenna switch circuit 203 to a high level (switch is closed), the positioning number and the reading range are read and bound with the gun, then, gun information is written into the first electronic tag 20, so that gun information and holder basic information are assigned to the gun 2 and a piece of positioning information (positioning number) is assigned to the positioning detection box 1 each time the gun is received by the holder; when the logic output control terminal of the central processing unit 201 outputs a high level or a low level, and when the first control terminal a of the MHC197BE chip U1 is at a high level, and when the second control terminal B of the MHC197BE chip U1 is at a low level, the output terminal RFC of the MHC197BE chip U1 is conducted with the first input terminal RF1, the central processing unit 201 reads the gun information and the matching data stored in the first electronic tag 20 through the first read-write antenna 30, and therefore, the antenna switch circuit 203 is used for effectively switching to read the data information stored in the two electronic tags, so as to obtain the data information of the gun 2 in a time-sharing manner. When the gun 2 is detected to be out of position (unsheathed) in real time, the RFID reader-writer 202 reads gun information and matching data (an ID number, a gun model, a name of a gun holder, gun holding time, a gun use condition, and the like) stored in the first electronic tag 20 in real time through the first read-write antenna 30; when a gunner uses the gun, the metal proximity switch 203 detects whether the gun is sleeved in the gun sleeve, once the gun 2 leaves the gun sleeve 3, the positioning antenna module 207 acquires a Beidou or GPS positioning signal and sends the signal to the central processing unit 201 to analyze positioning information (position information) of the gun or the gun, the positioning information exceeds the range (within 10 m) within which the first reading and writing antenna 30 can recognize and read the first electronic tag 20, the information of the first electronic tag 20 cannot be recognized within a preset time, the gun 2 and the gun sleeve 3 can be judged to be out of position, the central processing unit 201 immediately sends an alarm and reads the positioning information of the gun, so that the area where the gun is located is determined, the central processing unit 201 simultaneously pushes the positioning information of the gun or the gun out of position or the state information of the out of position of the gun or the state of the falling of the gun to the monitoring server 300 (service platform) of the gun through the data communication, the monitoring server 300 analyzes the data of the received information, and immediately locates and tracks the position of the gun once the gun leaves or falls, so that the gun can be conveniently and quickly found back, and the personal safety condition of a gun holder can be judged. In the invention, the box body 100 worn by the gun holder can send out the sound alarm and the vibration alarm prompt to prompt the gun to be lost effectively and prompt the gun to be worn normally and used, the central processing unit 201 can also send out the alarm prompt to the monitoring server 300 to monitor the condition that the gun holder uses the gun, the development cost is saved, the RFID reader-writer 202 and the metal proximity switch 203 carry out wireless identification to detect the dislocation condition of the gun, the invention has the advantages of convenient operation and control, high identification speed, high safety and the like, when the gun 2 is placed in the gun case 3, the central processing unit 201 detects whether the gun 2 is placed back into the gun case 3 through the metal proximity switch 32 and immediately carries out positioning and tracking on the position of the gun, if the gun 2 is placed back into the gun case 3, the central processing unit 201 continuously reads the information and the data stored in the first electronic tag 20 through the first reading-writing antenna 30, and whether the read gun information and the read data are matched or not is judged, if not, the alarm signal is sent out again, and therefore the quick registration, real-time positioning, alarm message notification and distribution of the gun in and out of the warehouse are guaranteed.

Referring to fig. 1, 2, 3 and 3, the gun positioning process of the gun real-time positioning module of the present invention includes writing positioning information into the box 100 through the second electronic tag 40, binding a positioning mark to the box 100, and writing label information into the box through the first electronic tag 20, and distributing gun information and temporary information of the gun holder to the gun; so that the gun is bound with the corresponding positioning number, the gun information and the temporary gunman holding information; secondly, the metal proximity switch 32 detects whether the gun 2 is separated from the gun case 3, the attitude sensor 31 detects whether the gun 2 falls or whether a human body falls, and the current Beidou and GPS positioning information of the gun or the gun is obtained through the positioning antenna module 207; thirdly, if the gun 2 is separated from the holster 3, the RFID reader 202 reads the current tag information of the first electronic tag 20 through the first read-write antenna 30 at regular time, and acquires the current Beidou and GPS positioning information of the gun holder or the gun through the positioning antenna module 207 at regular time; finally, detecting the separation time of the gun 2 and the holster 3 and detecting the spatial distance range in which the first read-write antenna 30 can identify and read the first electronic tag 20, judging whether the separation time is within the preset spatial distance range or not, if the first read-write antenna 30 cannot read the current tag information of the first electronic tag 20, acquiring the current Beidou and GPS positioning information of the gun holder or the gun through the positioning antenna module 207, and sending positioning alarm information; after receiving the positioning alarm information, the monitoring server queries the alarm generation site and the occurrence situation through the positioning antenna module 207 to determine whether personnel deployment and control are needed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A gun real-time positioning module is characterized in that: the real-time positioning module comprises a positioning detection box, a first electronic tag arranged on the gun and a gun sleeve for sleeving the gun, a first read-write antenna and an attitude sensor are embedded in the inner wall of the gun case, the positioning detection box comprises a box body, a positioning detection circuit and a second electronic tag which are arranged in the box body, the positioning detection circuit comprises a central processing unit, an RFID reader-writer, a second reading-writing antenna, a data communication interface and a positioning antenna module, the output end of the first read-write antenna and the output end of the second read-write antenna are respectively connected with the input end of the RFID reader-writer through detachable wires, the output end of the RFID reader-writer is connected with the read-write input end of the central processing unit, and the communication end of the data communication interface, the data end of the positioning antenna module and the output end of the attitude sensor are respectively connected with the central processing unit.

2. A firearm real time locating module as defined in claim 1, wherein: the positioning antenna module comprises an array antenna unit U1, an antenna matching circuit U2, a positioning antenna pedestal U3, a filter circuit U4 and a signal amplification circuit U5, the output end of the array antenna unit U1 is connected with the input end of the positioning antenna pedestal U3 through an antenna matching circuit U2, the output end of the positioning antenna pedestal U3 is connected with the input end of the signal amplification circuit U5 through a filter circuit U4, and the output end of the signal amplification circuit U5 is connected with the positioning control end of the central processing unit 201.

3. A firearm real time locating module as defined in claim 2, wherein: the antenna matching circuit U2 comprises a TVS diode, a capacitor C1, a resistor R1, an inductor L1 and a connecting plug MC, the filter circuit U4 comprises a surface acoustic wave filter FL, a capacitor C2, a capacitor C3, a capacitor C4, an inductor L2 and an inductor L3, the signal amplifying circuit U5 comprises a signal amplifying chip FA, a capacitor C5, a capacitor C6, a capacitor C7 and an inductor L2, the output end of the array antenna unit U1 is respectively connected with the cathode of the TVS diode, one end of the capacitor C1 and one end of the resistor R1 through wires, the other end of the resistor R1 is respectively connected with one end of the inductor L1 and one end of the connecting plug MC, the other end of the connecting plug MC is detachably matched and plugged in a jack of the positioning antenna pedestal U3, the output end of the positioning antenna pedestal U3 is connected with one end of the capacitor C2, the other end of the capacitor C2 is respectively connected with one end of the capacitor C3 and one end of the inductor L2, the other end of the capacitor C3 is connected to an input end of a surface acoustic wave filter FL, an output end of the surface acoustic wave filter FL is connected to a signal input end of the signal amplification chip FA through a capacitor C4 and an inductor L3, a signal output end of the signal amplification chip FA is connected to one end of a capacitor C5, the other end of the capacitor C5 is connected to one end of a capacitor C6 and one end of a capacitor C7, the other end of the capacitor C7 is connected to one end of an inductor L4 and a positioning input end of a central processing unit, a power supply control end of the signal amplification chip FA is connected to a positioning voltage control end of the central processing unit, and an anode of the TVS diode, the other end of the capacitor C1, the other end of the inductor L1, the other end of the capacitor C6 and the other end of the inductor L6 are.

4. A firearm real time locating module as defined in claim 3, wherein: the positioning antenna pedestal U3 is one of an SMA antenna pedestal, a pcb antenna pedestal, a U.FL antenna pedestal or an IPX/IPEX antenna pedestal, and the model of the surface acoustic filter FL is SAFFB1G56AC0F 0A.

5. A firearm real time locating module as defined in claim 3, wherein: the signal amplification chip FA is a low-noise amplification chip, and the model of the low-noise amplification chip is BGA725L6 low-noise amplifier chip.

6. A firearm real time locating module as defined in claim 1, wherein: the positioning detection circuit further comprises an antenna change-over switch and a data memory, wherein the output end of the first read-write antenna and the output end of the second read-write antenna are respectively connected with the input end of the antenna change-over switch, the output end of the antenna change-over switch is connected with the central processing unit through an RFID reader-writer, and the data end of the data memory is connected with the radio frequency read-write end of the central processing unit.

7. A firearm real-time locating module according to claim 6 and wherein: the positioning detection circuit further comprises a metal proximity switch, the metal proximity switch is embedded in the inner wall of the gun case, and the output end of the metal proximity switch is connected with the central processing unit.

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