Transmission position signal encryption implementation method and device without telecommunication unit

Abstract

The invention relates to the field of signal transmission, in particular to a transmission position signal encryption implementation method and device without a telecommunication unit, the device comprises a Beidou satellite short message unit, a Bluetooth communication unit and a waterproof shell, and the Beidou satellite short message unit, the Bluetooth communication unit and the like are fixed in the waterproof shell; the antenna unit is fixed on the internal and external surfaces of the waterproof shell; beidou satellite signals are transmitted to the Beidou satellite short message unit through the antenna unit; the sending signal of the Beidou satellite short message unit and the confidential position data are transmitted to the Beidou satellite chain through the antenna unit and then pass through the short message switching center; and transmitting to a specified intelligent device to display specified content. Because signals can be mutually transmitted without a telecommunication network and equipment, the device is suitable for being used in scenes such as deep mountains, deserts and oceans, or is used for emergency replacement when a telecommunication communication device is damaged due to disasters, and is suitable for deep mountain tourism, wasteland exploration, mountain rescue, water fire disaster relief, war tasks and other situations without communication equipment.

Description

Technical Field

[0001] The present invention relates to the field of signal transmission, and in particular to a method and device for implementing encryption of a transmission position signal without a telecommunication communication unit. Background Art

[0002] China has a vast territory, and many areas are sparsely populated and may not have a communication network. Sometimes, for exploration, tourism or disaster relief, you have to go to these places without communication equipment, which is not only inconvenient but even dangerous. The present invention can communicate with people in a non-telecommunication environment and can report its own location regularly, bringing users the convenience of communication tools and improving safety. Beidou satellite was installed later than the global satellite positioning navigation system GPS, but it has more two-way communication functions. Through the Beidou satellite short message unit, the receiving unit and the transmitting unit; it can transmit signals with the designated intelligent device. Because it can transmit signals to each other without the need for telecommunications networks and equipment, it is suitable for use in scenes such as deep mountains, deserts and oceans, or when the telecommunications communication equipment is damaged due to disasters, it can be used as an emergency substitute. It is suitable for deep mountain tourism, wasteland exploration, mountain rescue, water and fire disaster relief, war missions and other times when there is no communication equipment available. The location signal enables the manager to know the location for easy management, but it is dangerous for the other party or the enemy to know the location. Summary of the invention

[0003] The present invention relates to the field of signal transmission, and specifically to a method and device for implementing encryption of a transmission position signal without a telecommunication communication unit. The first of the methods is a transmission device without a telecommunication communication unit, comprising a Beidou satellite short message unit, a Bluetooth communication unit, an antenna unit, a rechargeable battery, a power management unit, a waterproof shell and a data platform, wherein the Beidou satellite short message unit, the Bluetooth communication unit, the rechargeable battery and the power management unit are fixed inside the waterproof shell; the antenna unit is fixed on the inner and outer surfaces of the waterproof shell; the Beidou satellite signal is transmitted to the Beidou satellite short message unit via the antenna unit; the sending signal of the Beidou satellite short message unit is transmitted to the Beidou satellite chain via the antenna unit, and then through the short message exchange center; and then transmitted to a designated smart device to display designated content.

[0004] The first is the Beidou satellite short message unit, which is divided into a receiving unit and a transmitting unit; the first is that the receiving unit has at least the Beidou satellite positioning and navigation system, which can expand the global satellite positioning and navigation system GPS; the satellite signal is composed of three parts: carrier, ranging code and navigation message; the carrier: an electromagnetic wave used to transmit signals, whose frequency and phase changes can carry information; the ranging code is a special code used to measure the distance between the satellite and the receiver; the navigation message contains the satellite's orbital parameters and time information for the receiver to calculate the position and speed; the second is the transmitting unit, which has two frequency bands, LF1 (1614.26MHX) and LF2 (1618.34MHZ).

[0005] The second is a Bluetooth communication unit. The antenna unit of the Beidou satellite short message unit has sufficient area and the display function of the transmission device. The Bluetooth communication unit is sent to the designated portable smart device (200); then displayed on the display of the designated portable smart device; the APP of the designated portable smart device controls and modifies the parameters of the transmission device and edits the report content through the Bluetooth communication unit.

[0006] The third is the antenna unit, which is divided into receiving antenna and transmitting antenna. The center frequency of the receiving antenna is 2491.75MHZ; the sensitivity requirement is higher than -130dBm@8Kbps, the center frequency of the transmitting antenna is LF1 (1614.26MHX) and LF2 (1618.34MHZ), and the local oscillator suppression requirement of the transmitting signal is greater than 30DBc.

[0007] The fourth is a rechargeable battery, which is charged by the power management unit from the charging port and provides power for the Beidou satellite short message unit. When there is no AC power to supply power to the charging port, the solar receiving panel on the back cover of the shell is used to supply power.

[0008] The fifth is the power management unit, which charges the rechargeable battery with power from the charging port, or uses the solar receiving panel on the back cover of the shell to charge the rechargeable battery; converts the rechargeable battery into the voltage and current required by the Beidou satellite short message unit and the antenna unit; and estimates the remaining power of the rechargeable battery in conjunction with the Bluetooth communication unit, and the estimated value is stored in the Bluetooth communication unit.

[0009] Among them, the preferred scheme is that the waterproof shell has ear holes on both sides to cooperate with the watch strap to form a watch; cooperate with the arm watch to form an armband device; and configure a fixing frame to be installed on the top of the hat or the shoulder strap.

[0010] Among them, the preferred solution is that the data platform connects to the Beidou satellite network chain and other communication management platforms to exchange information with each other; the data platform signal is communicated to a designated smart device (200) via the Internet to display designated content. by No need for handheld mode, and confidential location information can be reported regularly; Among them, the preferred solution is that the antenna uses an 18*18MM ceramic antenna to improve the satellite reception sensitivity; and NFC is added internally for identity verification.

[0011] The present invention includes a transmission position signal encryption implementation method without a telecommunication communication unit, wherein the transmission device comprises a Beidou satellite short message unit, a Bluetooth communication unit, an antenna unit, a rechargeable battery, a power management unit, a button, a waterproof shell and a data platform, wherein the Beidou satellite short message unit, the Bluetooth communication unit, the rechargeable battery and the power management unit are fixed inside the waterproof shell; the antenna unit is fixed on the inner and outer surfaces of the waterproof shell; the Beidou satellite signal is transmitted to the Beidou satellite short message unit via the antenna unit; the sending signal of the Beidou satellite short message unit is transmitted to the Beidou satellite via the antenna unit, and then via a short message exchange center; and then transmitted to a designated smart device to display designated content.

[0012] The transmission method is as follows: S1 transmission display content: The APP of the designated smart device controls and modifies the parameters of the transmission device and edits the report content through the Bluetooth communication unit; S2 positioning coordinates: Beidou satellite short message unit, which is pre-set to upload location-related information to the designated object at a fixed time; S3 location encryption: There are nine times nine offset modes, which change every hour; S4: Press the button: The Bluetooth communication unit receives the button signal, edits the short message content and uploads it to the designated object; S5 Display short message: The received short message can be displayed on its own display screen, and the specified content can be displayed to the specified smart device through the Bluetooth communication unit; S6: Position restoration: The position signal server restores the position according to the offset method when the position is encrypted.

[0013] Among them, the preferred scheme is a method for implementing location signal encryption, which is characterized by a location encryption method, with nine times nine offset methods, which change once every hour; the longitude direction will offset the longitude from 0.1 minute to 0.4 minutes, with a total of nine types of east or west; the latitude direction will offset the latitude from 0.1 minute to 0.4 minutes, with a total of nine types of south or north; the two offsets change independently, with a total of eighty-one changes; the principle of change is the association between date, time and machine serial number, rather than a fixed value, and inherent confidentiality; the offset method reported each time is different.

[0014] Among them, the preferred solution is that the transmission and display content is transmitted through the APP of the designated portable smart device through the Bluetooth communication unit to control and modify the parameters of the transmission device and edit the report content; and the Beidou satellite short message unit uploads the location-related information to the designated object at a fixed time after pre-setting; the transmission unit of the Beidou satellite short message unit is turned off when no data is sent.

[0015] Among them, the preferred solution is that there are two ways to display short messages; one is that the received short message can be displayed on your own display screen, and the other is to send it to a designated smart device through a Bluetooth communication unit, and then display the designated content; the displayed content is automatically stored and can be browsed, queried, copied and deleted.

[0016] Compared with the prior art, the beneficial effects of the present invention are: 1. Information can be exchanged between each other without the need for a telecommunications network, which is convenient to use and free of cross-border communication costs. 2. Because signals can be transmitted to each other without the need for a telecommunications network and equipment, it is suitable for use in scenes such as deep mountains, deserts and oceans, or for emergency replacement when telecommunications communication devices are damaged due to disasters. It is suitable for deep mountain tourism, wasteland exploration, mountain rescue, water and fire disaster relief, war missions and other times when no communication equipment is available. 3. The reported location data is protected by offset longitude and latitude, and has high confidentiality. 4. Information is exchanged without going through a telecommunications network, and has high confidentiality. 5. This product does not exchange information with each other through a telecommunications network, and there is no need to pay monthly fees, and it is not easy to be shut down due to arrears. 6. It has a built-in positioning function and can be used as a personnel and vehicle location management tool. 7. This product can report the user's walking steps and sleep status data through a Bluetooth communication unit (20) plus a three-dimensional dynamic sensor, and can manage and understand the basic health information of the personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the architecture of a transmission device without a telecommunication communication unit; Figure 2 It is a schematic diagram of the appearance of a transmission device without a telecommunication communication unit; Figure 3 It is a schematic diagram of the association of the Beidou satellite short message unit of a transmission device without a telecommunication communication unit; Figure 4 A schematic diagram of a Bluetooth communication unit associated with a transmission device without a telecommunication communication unit; Figure 5 A schematic diagram of a rechargeable battery associated with a transmission device without a telecommunication communication unit; Figure 6 A schematic diagram of the remaining power of a transmission device without a telecommunication communication unit; Figure 7 A schematic diagram of an ear hole of a transmission device without a telecommunication communication unit; Figure 8 A schematic diagram of a watch with a transmission device without a telecommunication communication unit; Fig. 9 A schematic diagram of an armband of a transmission device without a telecommunication communication unit; Fig.10 A schematic diagram of a fixed frame of a transmission device without a telecommunication communication unit; Fig.11A schematic diagram of a hat top of a transmission device without a telecommunication communication unit; Fig.12 A schematic diagram of a shoulder strap of a transmission device without a telecommunication communication unit; Fig.13 A schematic diagram of a data platform of a transmission device without a telecommunication communication unit; Fig.14 A schematic diagram of a transmission method of a transmission device without a telecommunication communication unit; Fig.15 A schematic diagram of an encryption offset method for a transmission device without a telecommunication communication unit.

[0018] 1. Description of symbols in the accompanying drawings: 10- Beidou satellite short message unit; 11- receiving unit; 12- transmitting unit; 13- Beidou satellite positioning and navigation system; 14- global satellite positioning and navigation system GPS; 15- transmitting frequency band 1; 16- transmitting frequency band 2; 20- Bluetooth communication unit; 30- antenna unit; 40- rechargeable battery; 45- remaining power; 50- power management unit; 52- charging port; 60- button; 61- button 1; 62- button 2; 70- mainboard; 80- display screen; 90- solar receiving panel; 100- waterproof housing; 110- ear hole; 120- strap; 130- watch; 140- armband; 145- armband adjustment buckle; 150- armband device; 160- fixing frame; 161- fixing frame screw column; 160 -fixing frame screws; 170-hat top; 180--shoulder strap; 185-shoulder strap fixing buckle; 200-specified smart device; 210-display screen; 220-APP; 240-report content; 300-location signal server; 301-position one; 302-position two; 303-position three; 400-Internet; 500-data platform; 600-transmission device; 700-Beidou satellite network chain; 800-other communication management platforms; DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Figures 1 to 14 The above purpose is achieved as shown.

[0020] The present invention provides the following technical solution: a method and device for implementing encryption of transmission location signals without telecommunication communication units. Figure 1 and Figure 2As shown, one is a transmission device without a telecommunication communication unit, comprising a Beidou satellite short message unit 10, a Bluetooth communication unit 20, an antenna unit 30, a rechargeable battery 40, a power management unit 50, a waterproof housing 100 and a data platform 500, wherein the Beidou satellite short message unit 10, the Bluetooth communication unit 20, the rechargeable battery 40 and the power management unit 50 are fixed inside the waterproof housing 100; the antenna unit 30 is fixed on the inner and outer surfaces of the waterproof housing 100; the Beidou satellite signal is transmitted to the Beidou satellite short message unit 10 via the antenna unit 30; the sending signal of the Beidou satellite short message unit 10 is transmitted to the Beidou satellite chain via the antenna unit 30, and then through the short message exchange center; and then transmitted to the designated smart device 200 to display the designated content.

[0021] One is the Beidou satellite short message unit 10, such as Figure 3 As shown, the Beidou satellite short message unit 10 is divided into a receiving unit 11 and a transmitting unit 12; one is that the receiving unit 11 at least has a Beidou satellite positioning and navigation system 13, which can expand the global satellite positioning and navigation system GPS14; the satellite signal is composed of three parts: a carrier, a ranging code and a navigation message; wherein the carrier: an electromagnetic wave used to transmit a signal, the changes in its frequency and phase can carry information; wherein the ranging code is a special code used to measure the distance between the satellite and the receiver; wherein the navigation message contains the orbital parameters and time information of the satellite for the receiver to calculate the position and speed; the second is the transmitting unit 12, and the transmitting unit 12 has two frequency bands, namely, the transmitting frequency band one 15 LF1 (1614.26MHX) and the transmitting frequency band two 16 LF2 (1618.34MHZ).

[0022] The second is a Bluetooth communication unit 20, such as Figure 4 As shown, the Bluetooth communication unit 20 has a sufficient area for the antenna unit 30 of the Beidou satellite short message unit 10, and the display function of the transmission device; it is transmitted to the designated portable smart device 200 through the Bluetooth communication unit 20; and then displayed on the display screen 210 of the designated portable smart device 200; the APP220 of the designated portable smart device 200 controls the modification of the parameters of the transmission device 600 and edits the report content 240 through the Bluetooth communication unit 20.

[0023] The third is the antenna unit 30, such as Figure 3 As shown, the antenna unit 30 is divided into a receiving antenna 32 and a transmitting antenna 34. The center frequency of the receiving antenna 32 is 2491.75MHZ; the sensitivity requirement is higher than -130dBm@8Kbps, the center frequency of the transmitting antenna 34 is LF1 (1614.26MHX) and LF2 (1618.34MHZ), and the transmission signal local oscillation suppression requirement is greater than 30DBc.

[0024] The fourth is a rechargeable battery 40, such as Figure 5As shown, the rechargeable battery 40 charges the power from the charging port 52 through the power management unit 50 and provides power to the Beidou satellite short message unit 10; when there is no AC power to supply power to the charging port 52, the solar receiving panel 90 on the rear cover of the shell is used to supply power.

[0025] The fifth is a power management unit 50, which charges the rechargeable battery 40 with power from the charging port 52, or uses the solar receiving panel on the back cover of the shell to charge the rechargeable battery 40; converts the rechargeable battery 40 into the voltage and current required by the Beidou satellite short message unit 10 and the antenna unit 30; Figure 6 As shown, the remaining power 45 of the rechargeable battery 40 is estimated in cooperation with the Bluetooth communication unit 20 , and the estimated value is stored in the Bluetooth communication unit 20 .

[0026] Among them, the preferred solution is that the waterproof housing 100, such as Figure 7 and Figure 8 As shown, there are ear holes 110 on both sides that cooperate with the watch strap 120 to form a watch 130.

[0027] Among them, the preferred solution is as follows Fig. 9 As shown, the ear holes 110 on both sides cooperate with the armband 140 to form an armband device 150; the armband adjustment buckle 145 is used to adjust the tightness so that the armband device 150 does not slide.

[0028] Among them, the preferred solution is as follows Fig.10 and Fig.11 As shown, the fixing frame 160 is installed on the cap top 170 , through which the fixing frame screw column 161 passes, and then is tightened with the fixing frame screw 162 .

[0029] Among them, the preferred solution is as follows Fig.12 As shown, the configuration fixing frame 160 is installed on the shoulder strap 180 and then fastened with the shoulder strap fixing buckle 185 .

[0030] Among them, the preferred solution is as follows Fig.13 As shown, the Beidou satellite short message unit 10 transmits the transmission content and location signal to the Beidou satellite network link 700 through the transmission device and then to the Internet 400; the data platform 500 and the location signal server 300 also go to the Internet 400; the transmission content and location signal first pass through the Internet 400 and then to other communication management platforms 800 before displaying the specified content to the specified smart device 200.

[0031] The present invention includes a method for implementing encryption of a transmission position signal without a telecommunication communication unit, such as Figure 1 and Figure 2As shown, the transmission device 600 includes a Beidou satellite short message unit 10, a Bluetooth communication unit 20, an antenna unit 30, a rechargeable battery 40, a power management unit 50, a button 60, a waterproof housing 100 and a data platform 500, wherein the Beidou satellite short message unit 10, the Bluetooth communication unit 20, the rechargeable battery 40 and the power management unit 50 are fixed inside the waterproof housing 100; the antenna unit 30 is fixed on the inner and outer surfaces of the waterproof housing 100; the Beidou satellite signal is transmitted to the Beidou satellite short message unit 10 via the antenna unit 30; the sending signal of the Beidou satellite short message unit 10 is transmitted to the Beidou satellite via the antenna unit 30, and then through the short message exchange center; and then transmitted to the designated smart device 200 to display the designated content. Fig.14 As shown, The transmission method is as follows: S1 transmits the displayed content: the APP 220 of the portable designated smart device 200 controls and modifies the parameters of the transmission device 600 and edits the report content 240 through the Bluetooth communication unit 20; S2 positioning coordinates: Beidou satellite short message unit 10, after pre-setting, uploads the location-related information to the designated object at a fixed time; S3 location encryption: There are nine times nine offset modes, which change every hour; S4: the button is pressed: the Bluetooth communication unit 20 receives the button 60 signal, edits the short message content and uploads it to the designated object; S5 Display short message: The received short message can be displayed on its own display screen, and the specified content can be displayed to the specified smart device through the Bluetooth communication unit 20; S6 Position restoration: The position signal server 300 restores the position according to the offset method when the position is encrypted.

[0032] Among them, the preferred solution is the location encryption method, with nine times nine offset methods, which change once every hour; the longitude direction will offset the longitude from 0.1 to 0.4, east or west for a total of nine types; the latitude direction will offset the latitude from 0.1 to 0.4, south or north for a total of nine types; the two offsets change independently, with a total of eighty-one changes; the change principle is the association of date, time and machine serial number, rather than a fixed value, inherent confidentiality; each report offset method is different. Fig.15 As shown, position one is the original coordinate 301, and the variable calculated by the offset is 17, so the proxy coordinate is at position two 302; if the variable calculated by the offset is 37, then the proxy coordinate is at position three 303; the sum of the date year month day plus the time hour and minute plus the product serial number, the remainder after dividing by 81 is the offset calculation variable; (year+month+day+hour+minute+product serial number) / 81=integer quotient+remainder For example, at 08:11 on September 17, 2024, the product serial number 18823386338 was uploaded, and the sum is 18823388408. After dividing by 81, the integer quotient is 232387511, and the remainder is 17; the remainder 17 is the bias calculation variable; among them, the preferred solution is, such as Figure 4 As shown, there are two ways to transmit the displayed content: the APP220 of the designated portable smart device 200 controls the modification of the parameters of the transmission device 600 and edits the report content 240 through the Bluetooth communication unit 20; and the Beidou satellite short message unit 10 uploads the location-related information to the designated object at a fixed time after pre-setting; the transmitting unit of the Beidou satellite short message unit 10 is turned off when no data is sent; there are two ways to display the short message; one is to display it on your own display screen after receiving the short message, and the other is to send it to the designated smart device through the Bluetooth communication unit 20, and then display the designated content; the displayed content is automatically stored and can be browsed, queried, copied and deleted.

[0033] Among them, the preferred solution is as follows Figure 4 As shown, there are two ways to transmit and display content: the APP220 of the designated portable smart device 200 controls and modifies the parameters of the transmission device 600 and edits the report content 240 through the Bluetooth communication unit 20; and the Beidou satellite short message unit 10 uploads the location-related information to the designated object at a fixed time after pre-setting; when no data is sent, the transmitting unit of the Beidou satellite short message unit 10 is turned off.

[0034] Among them, the preferred solution is that the reported location data is protected by offset longitude and latitude, which has high confidentiality.

[0035] Among them, the preferred solution is that information can be exchanged between each other without the need for a telecommunications network, which is convenient to use and has no cross-border communication costs.

[0036] Among them, the preferred solution is that it can transmit signals to each other without the need for telecommunication networks and equipment, and is suitable for use in scenarios such as deep mountains, deserts and oceans, or as an emergency alternative when telecommunication communication equipment is damaged due to disasters. It is suitable for deep mountain tourism, wasteland exploration, mountain rescue, water and fire disaster relief, war missions and other times when no communication equipment is available.

[0037] Among them, the preferred solution is to exchange information without going through a telecommunications network, thereby ensuring high confidentiality.

[0038] Among them, the preferred solution is that this product does not exchange information through the telecommunications network, does not require monthly payments, and is not prone to shutdown due to arrears.

[0039] Among them, the preferred option is one that has its own positioning function and can be used as a tool for personnel and vehicle location management.

[0040] Among them, the preferred solution is that this product is equipped with a three-dimensional dynamic sensor through the Bluetooth communication unit 20, which can report the user's walking steps and sleep status information at the same time, and can manage and understand the basic health information of the person.

[0041] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0042] The above description is only a preferred embodiment of the present invention, so all equivalent changes or modifications made according to the structure, characteristics and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims

1. A method for implementing encryption of a transmission position signal without a telecommunication communication unit, characterized in that: The transmission device without telecommunication communication unit is characterized in that the transmission device (600) comprises a Beidou satellite short message unit (10), a Bluetooth communication unit (20), an antenna unit (30), a rechargeable battery (40), a power management unit (50), a push button (60), a waterproof housing (100) and a data platform (500), wherein the Beidou satellite short message unit (10), the Bluetooth communication unit (20), the rechargeable battery (40) and the power management unit (50) are fixed inside the waterproof housing (100); the antenna unit (30) is fixed on the inner and outer surfaces of the waterproof housing (100); the Beidou satellite signal is transmitted to the Beidou satellite short message unit (10) via the antenna unit (30); the transmission signal of the Beidou satellite short message unit (10) is transmitted to the Beidou satellite via the antenna unit (30), and then transmitted to the short message exchange center; and then transmitted to the designated smart device (200) to display the designated content; the encryption transmission method is as follows: S1: transmitting and displaying content: the APP (220) of the portable designated smart device (200) controls and modifies the parameters of the transmission device (600) and edits the report content (240) via the Bluetooth communication unit (20); S2 positioning coordinates: Beidou satellite short message unit (10), which is pre-set to upload location-related information to a designated object at a fixed time; S3 location encryption: There are nine times nine offset modes, which change every hour; S4: the button is pressed: the Bluetooth communication unit (20) receives the button press (60) signal, edits the short message content and uploads it to the designated object; S5 Display short message: The received short message can be displayed on its own display screen, and the specified content can be displayed to a specified smart device through the Bluetooth communication unit (20); S6 Position restoration: The position signal server (300) restores the position according to the offset method when the position was encrypted.

2. The method for implementing position signal encryption according to claim 1 is characterized in that there are nine times nine offset modes for position encryption, which change once every hour; the longitude direction will offset the longitude from 0.1 to 0.4, with a total of nine types of east or west; the latitude direction will offset the latitude from 0.1 to 0.4, with a total of nine types of south or north; the two offsets change independently, with a total of eighty-one changes; the principle of change is the association between date, time and machine serial number, rather than a fixed value, and inherent confidentiality; the offset mode reported each time is different.

3. The method for implementing position signal encryption according to claim 1, characterized in that: The display content is transmitted in two ways: the APP (220) of the designated portable smart device (200) controls and modifies the parameters of the transmission device (600) and edits the report content (240) through the Bluetooth communication unit (20); and the Beidou satellite short message unit (10) uploads the location-related information to the designated object at a fixed time after being pre-set; when no data is sent, the transmitting unit of the Beidou satellite short message unit (10) is turned off; there are two ways to display the short message: one is to display it on the display screen of the designated smart device after receiving the short message, and the other is to send it to the designated smart device through the Bluetooth communication unit (20) and then display the designated content; the displayed content is automatically stored and can be browsed, queried, copied and deleted.

4. A transmission device without a telecommunication communication unit, characterized in that: The transmission device (600) comprises a Beidou satellite short message unit (10), a Bluetooth communication unit (20), an antenna unit (30), a rechargeable battery (40), a power management unit (50), a waterproof housing (100) and a data platform (500), wherein the Beidou satellite short message unit (10), the Bluetooth communication unit (20), the rechargeable battery (40) and the power management unit (50) are fixed inside the waterproof housing (100); the antenna unit (30) is fixed on the inner and outer surfaces of the waterproof housing (100); the Beidou satellite signal is transmitted to the Beidou satellite short message unit (10) via the antenna unit (30); the transmission signal of the Beidou satellite short message unit (10) is transmitted to the Beidou satellite chain via the antenna unit (30), and then transmitted to the short message exchange center; and then transmitted to a designated smart device (200) to display designated content.

5. The transmission device according to claim 4, characterized in that: The Beidou satellite short message unit (10) is divided into a receiving unit (11) and a transmitting unit (12); the first receiving unit (11) at least has a Beidou satellite positioning and navigation system (13) and can expand the global satellite positioning and navigation system GPS (14); the satellite signal is composed of three parts: a carrier wave, a ranging code and a navigation message; the carrier wave is an electromagnetic wave used to transmit a signal, and its frequency and phase changes can carry information; the ranging code is a special code used to measure the distance between the satellite and the receiver; the navigation message contains the orbital parameters and time information of the satellite for the receiver to calculate the position and speed; the second is the transmitting unit (12), and the transmitting unit (12) has two frequency bands, LF1 (1614.26MHX) and LF2 (1618.34MHZ).

6. The transmission device according to claim 4, characterized in that: The Bluetooth communication unit (20) has a sufficient area for the antenna unit (30) of the Beidou satellite short message unit (10) to have a display function of the transmission device; the data is transmitted to the designated portable smart device (200) via the Bluetooth communication unit (20); and then displayed on the display screen (210) of the designated portable smart device (200); the APP (220) of the designated portable smart device (200) controls and modifies the parameters of the transmission device (600) and edits the report content (240) via the Bluetooth communication unit (20).

7. The transmission device according to claim 4, characterized in that: The antenna unit (30) is divided into a receiving antenna (32) and a transmitting antenna. The center frequency of the receiving antenna (32) is 2491.75 MHZ. The sensitivity requirement is higher than -130 dBm@8 Kbps. The center frequencies of the transmitting antenna are LF1 (1614.26 MHX) and LF2 (1618.34 MHZ). The local oscillation suppression requirement of the transmitting signal is greater than 30 DBc.

8. According to the transmission device of claim 4, the rechargeable battery (40) is charged by the power management unit (50) from the charging port 52 and provides power to the Beidou satellite short message unit (10); when there is no mains electricity to supply power to the charging port 52, the solar receiving panel on the rear cover of the housing is used to supply power.

9. According to the transmission device of claim 4, the power management unit (50) charges the rechargeable battery (40) with power from the charging port 52, or charges the rechargeable battery (40) with power from a solar panel on the rear cover of the housing; converts the rechargeable battery (40) into the voltage and current required by the Beidou satellite short message unit (10) and the antenna unit (30); and estimates the remaining power of the rechargeable battery (40) in conjunction with the Bluetooth communication unit (20), and the estimated value is stored in the Bluetooth communication unit (20).

10. The transmission device according to claim 1, wherein the waterproof housing (100) has ear holes (110) on both sides to form a watch (130) when combined with a watch strap (120); to form an armband device (150) when combined with an arm watch (140); and a fixing frame (160) to be installed on a hat top (170) or a shoulder strap (180); by No need to hold the device, and the confidential location data can be reported regularly. The antenna uses an 18*18MM ceramic antenna to improve the satellite reception sensitivity. NFC is added inside for identity verification.

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