Portable multi-mode detection and verification device for search and rescue satellite emergency position indicating mark

Abstract

A portable search and rescue satellite emergency position indicating beacon multimode detection and verification device is connected with a Chinese international search and rescue satellite system through a wireless network, the emergency position indicating beacon is a first-generation and / or second-generation emergency position indicating beacon, and the device at least comprises the following modules arranged in the same portable shell: a mobile communication module, a first communication module, a second communication module, a third communication module and a fourth communication module. Receiving monitoring data of a search and rescue satellite system in real time; the BT200 position indicating marker test platform is used for receiving a distress radio frequency signal of the first generation and / or the second generation position indicating marker and demodulating and testing the radio frequency signal; and the panel control module is used for controlling the starting and testing processes of the BT 200 position indicating mark testing platform in real time and displaying the testing process, the testing result and the testing data. The device can be applied to the multi-mode test environment of the first generation and the second generation of the position indicating mark, especially the integrated and portable suit design, and the BT200 test platform can be separated from the suit for use, so that the requirements of various operation occasions such as water, high altitude and field can be better met.

Description

Technical Field

[0001] The utility model belongs to the field of international search and rescue satellite communication systems, and is a multi-mode detection and verification device for a portable search and rescue satellite emergency position indicating beacon. Background Technique

[0002] In the era of globalization, the transportation needs of the three branches of sea, land and air are constantly growing, and the demand for emergency response is also rising. Against this background, Canada, France, the United States and the Soviet Union jointly developed the global international search and rescue satellite system COSPAS-SARSAT (Comicheskaya Sistema Poiska Avariynich Sudov-Search and Rescue Satellite).

[0003] The international search and rescue satellite system COSPAS-SARSAT is an important part of the global maritime distress and safety system GMDSS (global maritime distress and safety system) and the global aeronautical distress and safety system GADSS (global aeronautical distress and safety system), and uses satellites to provide distress alarm information services globally. As a satellite-aided search and rescue initiative, it is a non-profit intergovernmental humanitarian cooperation organization based on treaties composed of multiple countries and agencies around the world. Its member states operate a constellation of approximately 66 satellites orbiting the earth. These satellites carry signal reception and forwarding payloads, and can detect and locate emergency position indicating beacons activated by distressed persons, aircraft or ships anywhere on the earth, and forward this alarm information to countries and regions that can take rescue actions, providing accurate, timely and reliable distress alarms and position data for the sea, land and air including the polar regions globally, so that distressed persons can be rescued in a timely and effective manner.

[0004] In 1985, the Ministry of Transport represented China in joining the International Search and Rescue Satellite Organization. The Chinese Search and Rescue Satellite System built and operated by the Ministry of Transport undertakes the tasks of distress alarm and distress data exchange within China's search and rescue service area. Currently, 45 countries and regions around the world have joined the International Search and Rescue Satellite Organization, and jointly provide global search and rescue distress information services through joint networking.

[0005] See Figure 1It is the working principle diagram of the international search and rescue satellite system. The international search and rescue satellite system mainly includes an emergency position indicating radio beacon 1, a satellite 2, a ground receiving station 3, and the China mission control center (CNMCC) 4. The main process of its business operation is as follows: The distress position indicating radio beacon 1 sends an alarm signal to the satellite 2, which forwards it to the ground receiving station 3. After the local ground receiving station 3 receives and decodes and calculates, it sends the relevant information of the position indicating radio beacon identification code and position data to the CNMCC 4. The CNMCC 4 generates an alarm message (SIT-185), and then distributes it to the search and rescue center (not shown in the figure) to help the search and rescue personnel determine the position and quickly carry out rescue work.

[0006] The emergency position indicating radio beacon is the information emission source in the satellite search and rescue system. Aircraft, ships, and individuals equipped with it can send out distress signals when in distress. The emergency position indicating radio beacon is divided into four types according to its different usage carriers, namely the Emergency Locator Transmitter (ELT) for aviation, the Emergency Position Indicating Radio Beacon (EPIRB) for ships, the Personal Locator Beacon (PLB), and the special position indicating radio beacon for the space field.

[0007] Practical experience in the distress search and rescue scenario shows that the first-generation emergency position indicating radio beacon can no longer meet the needs of distress safety alarms in terms of information capacity, positioning accuracy, protocol type, and alarm verification. With the development and evolution of technology, the technical specifications and standard norms of the current second-generation emergency position indicating radio beacon have been basically determined, and the equipment research and development has entered the verification stage. However, so far, there is still a lack of effective detection and verification devices, especially devices that can simultaneously detect and verify the first-generation and second-generation emergency position indicating radio beacons, and can detect the AIS (Automatic Identification System) signal of the position indicating radio beacon according to the latest requirements of the International Maritime Organization document resolution MSC.471(101), which is urgently needed at present. Summary of the Invention

[0008] The purpose of the present invention is to overcome the above defects. Based on the operation and maintenance experience of the search and rescue satellite system, distress alarm disposal practice cases, and related technical research, a portable multi-mode detection and verification device for search and rescue satellite emergency position indicating radio beacons is proposed. It is a detection and verification device that supports the detection and verification of multi-type satellite emergency position indicating radio beacon terminals such as the first and second generations for marine, aviation, personal, and special use, realizes the fusion detection and verification means of radio frequency signals and communication with the satellite, fully supports the second-generation satellite emergency position indicating radio beacon, and is compatible with the function detection and verification of the first-generation satellite emergency position indicating radio beacon.

[0009] To this end, the present utility model provides a multi-mode detection and verification device for a portable search and rescue satellite emergency position indicating beacon. It connects to the Chinese international search and rescue satellite system through the public operator network by means of a Virtual Private Network (VPN). The emergency position indicating beacon is the first-generation and / or second-generation emergency position indicating beacon. The multi-mode detection and verification device at least includes the following modules placed in the same portable housing:

[0010] A mobile communication module (110), which connects to the public operator network and connects to the Chinese international search and rescue satellite system through a Virtual Private Network (VPN), and receives the monitoring data of the search and rescue satellite system in real time. These data include information on receiving and resolving the emergency position indicating beacon signal;

[0011] A BT 200 beacon test platform (120), which receives the distress radio frequency signal of the first-generation and / or second-generation emergency position indicating beacon, demodulates and tests the radio frequency signal;

[0012] A tablet control module (130), which includes a display, an input device, and an operating system; the operating system is connected to the mobile communication module (110) through a wireless network and receives the monitoring data of the search and rescue satellite system; the operating system is also interconnected with the BT 200 beacon test platform (120) to control the startup and test process of the BT 200 beacon test platform (120) in real time; the input device inputs operation instructions to the operating system, and the display displays the test process and results, as well as test data in real time.

[0013] According to one aspect of the present utility model, the mobile communication module (110) uses a 5G / 4G LTE communication module; the BT 200 beacon test platform (120) is the BT 200 local beacon test platform of WST Company in Canada; the input device of the tablet control module (130) is an input keyboard and / or a touchpad.

[0014] Among them, the 5G / 4G LTE communication module of the mobile communication module (110) is a Huawei mobile router.

[0015] According to one aspect of the present utility model, the BT 200 beacon test platform (120) demodulates the distress radio frequency signal of the first-generation and / or second-generation emergency position indicating beacon, synchronizes bit synchronization and frame synchronization to obtain the original bit sequence; the test includes checking the validity of the original bit sequence bit by bit, judging the message type and whether it meets the data field requirements according to the coding format, and checking the bit error rate therein according to the BCH error correction code.

[0016] The test further includes any of the following: verification of the default value of the built-in position encoding of the beacon, verification of the digital information generator, 406 MHz transmitter modulation, verification of the transmission frequency and output power, verification of the 121.5 MHz transmission continuity monitoring service, verification of the distress message position after changing the input position by more than 5 Km, verification of the update interval of the encoded position of the beacon, verification of the last valid position after the loss of the navigation position input, verification of the signal-to-noise ratio data of the beacon signal, verification of the transmission repetition period of the beacon, encoding verification of the short code and long code modes of the beacon, detection and verification of the transmission frequency stability of the beacon, verification of the bit synchronization bit, frame synchronization bit, and format flag of the beacon, satellite parsing position when the beacon uses the official protocol, verification of the message data of the built-in position, self-test mode check verification, verification of the beacon antenna and encoding software, verification of the navigation system and satellite quality, verification of the frequency stability, and transmission verification of the beacon TN\ICAO\AOD\SN\TEST encoding protocol in the aviation exclusive test protocol.

[0017] According to another aspect of the present invention, the test platform (120) also supports generating a test report on the radio frequency signal test results of the first-generation and / or second-generation marine, aviation, personal, or special-type emergency beacons according to the relevant technical requirements of the International Search and Rescue Satellite Organization documents, and supports a customized report format.

[0018] According to yet another aspect of the present invention, the portable search and rescue satellite emergency beacon multi-mode detection and verification device further includes a power supply module (140) that provides portable power support to the mobile communication module (110), the BT200 beacon test platform (120), and the tablet control module (130). The portable power supply includes a solar panel, lithium battery energy storage, mains fast charging, or an AC inverter charging device.

[0019] The power supply module (140) supplies power to them through the USB TYPE-C interface of the tablet control module (130) or through a dedicated adapter.

[0020] According to another aspect of the present invention, the portable housing is a high-strength sealed universal box; the BT 200 test platform (120) therein can be taken out of the box and separated from the portable device to work independently in the wild, on a ship, or in an aircraft, and then reinstalled in the box after completing the on-site test.

[0021] The high-strength sealed universal box is a high-strength pull rod moisture-proof sealed three-proof box.

[0022] The multi-mode detection and verification device for search and rescue satellite emergency position indicating radio beacons of the present utility model is applicable to the multi-mode test environments of both the first-generation and second-generation search and rescue satellite emergency position indicating radio beacons. It supports detection and verification functions such as receiving, decoding, and positioning of the warning signals of the position indicating radio beacon, adopts the detection and verification means of fusing local radio frequency signals for satellite communication, and has the ability to test and verify the position indicating radio beacon both locally and via the satellite link. In particular, the integrated and portable set design, and the BT 200 test platform in it also supports being used separately from the set, which better meets the requirements of various operation scenarios such as on water, at high altitude, and in the wild.

[0023] The object of the present utility model, as well as other objects not listed herein, is satisfied within the scope of the independent claims of this application. The embodiments of the present utility model are defined in the independent claims, and the specific features are defined in its dependent claims. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is the working principle diagram of the Chinese international search and rescue satellite system;

[0025] Figure 2 is the functional block diagram of the portable multi-mode detection and verification device for search and rescue satellite emergency position indicating radio beacons of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The present utility model will be described in detail below in conjunction with the drawings and taking specific embodiments as examples. However, those skilled in the art should know that the present utility model is not limited to the specific embodiments listed, and as long as it conforms to the spirit of the present utility model, it should be included within the protection scope of the present utility model.

[0027] As Figure 2 shown is the functional block of the portable multi-mode detection and verification device for search and rescue satellite emergency position indicating radio beacons of the present utility model; the multi-mode detection and verification device for search and rescue satellite emergency position indicating radio beacons of the present utility model mainly consists of the following four modules placed in the same portable housing: a mobile communication module 110, a tablet control module 130, a BT 200 position indicating radio beacon test platform 120, and a power supply module 140. Among them:

[0028] Mobile communication module 110,Connect to the public operator network and access the Chinese Search and Rescue Mission Control Center (CNMCC) of the COSPAS-SARSAT system through a Virtual Private Network (VPN). Receive the monitoring data of the search and rescue satellite system in real time, including information on receiving and resolving EPIRB signals. Preferably, the mobile communication module 110 uses a 5G / 4G LTE communication module, and the example model is a Huawei mobile router. The 5G / 4G LTE communication module provides a dedicated communication link for this device to remotely access the COSPAS-SARSAT system through the network access point (APN) applied for by the operator, so as to receive the monitoring data of the COSPAS-SARSAT system in real time and securely.

[0029] BT 200 beacon test platform 120, Responsible for demodulating and testing the RF signals of various types of EPIRBs such as the first and second generations for marine, aviation, personal, and special use, and this test platform supports the latest protocols of the COSPAS-SARSAT system, including RLS (Reverse Link Service) and ELT (DT) (Aviation Dynamic Distress Tracking Service). It has complete measurement capabilities for the 406 MHz, 121.5 MHz, and 243 MHz channels and supports measuring the transmitted signals of AIS (Automatic Identification System) transceivers (Class A and Class B).

[0030] The device is built-in with a temperature sensor to ensure measurement accuracy. In the 406 MHz frequency band, the direct connection power measurement accuracy can reach ±0.25 dB. At the same time, the BT 200 test platform has the ability to work independently from this portable device and can be used offline in places with limited space such as ships and aircraft. After the test is carried out separately from the portable set, the device returns to the portable set, and further comparison tests can be completed, with good on-site operation capabilities. The test platform meets all the inspection requirements of IMO (International Maritime Organization), FAA (Federal Aviation Administration of the United States), and Euro CAE (European Organization for Civil Aviation Electronic Equipment) regarding EPIRBs and Automatic Identification Systems.

[0031] Preferably, the EPIRB BT 200 test platform 120 of the present utility model is the BT200 local test platform of WST Company in Canada.

[0032] After receiving the distress RF signal of the EPIRB to be tested, in accordance with the requirements of the COSPAS-SARSAT organization, demodulate the RF signal of the EPIRB and check the electrical parameters of the transmitted signal of the EPIRB. First, demodulate the signal, synchronize bit synchronization and frame synchronization to obtain the original bit sequence. Then conduct tests, check the validity of this original bit sequence bit by bit, judge the message type and whether it meets the data field requirements according to the coding format, and check the bit error rate therein according to the BCH error correction code.

[0033] In a specific embodiment, the test content may further include any of the following: the detection function includes the verification of the default value of the built-in position code of the beacon; the verification of the digital information generator; the verification of the modulation, transmission frequency, and output power of the 406MHz transmitter; the verification of the 121.5MHz transmission continuity monitoring service; the verification of the distress message position after changing the input position by more than 5Km; the verification of the update interval of the beacon coding position; the verification of the last valid position after the loss of the navigation position input; the verification of the beacon signal-to-noise ratio data; the verification of the beacon transmission repetition period; the coding verification of the beacon short code and long code modes; the detection and verification of the beacon transmission frequency stability; the verification of the beacon bit synchronization bit, frame synchronization bit, and format flag; the verification of the message data of the satellite parsing position and the built-in position when the beacon uses the formal protocol; the self-test mode check and verification; the verification of the beacon antenna and coding software; the verification of the navigation system and satellite quality; the verification of the frequency stability; and the transmission verification of the beacon TN\ICAO\AOD\SN\TEST coding protocol in the aviation exclusive test protocol, etc.

[0034] In addition, the test platform 120 of the present utility model also supports generating test reports for the radio frequency signal test results of multi-type emergency beacons such as marine, aviation, personal, and special-purpose for the first and second generations according to the relevant technical requirements of the International Search and Rescue Satellite Organization documents, and supports customized report formats.

[0035] Tablet control module 130, This module mainly includes a display, an input device, and an operating system. The operating system of the tablet control module 130 is connected to the mobile communication module 110 through a wireless network (such as WIFI) to remotely receive the monitoring data of the Chinese International Search and Rescue Satellite System; at the same time, the operating system is also interconnected with the beacon BT 200 beacon test platform 120 to control the startup and test process of the BT 200 beacon test platform 120 in real time. It can test in real time whether the beacon can send the distress signal to the CNMCC of the Chinese International Search and Rescue Satellite System through the search and rescue satellite.

[0036] The input device is responsible for inputting operation instructions into the tablet control module 130. In a specific embodiment, the input device is a keyboard and / or a touchpad, and the operation instructions are input manually or automatically into this module. The display can then display the test process and results, as well as the test data, in real time.

[0037] The tablet control module 130 uses a portable computer equipped with USB, TYPE-A, and USB TYPEC interfaces. Preferably, in one embodiment, the tablet control module 130 selects the model of Huawei Matebook E and is interconnected with the beacon BT 200 beacon test platform 120 through the USB TYPE-A interface to control the startup and test process of the BT 200 beacon test platform 120 in real time.

[0038] Power supply module 140 , this module is responsible for providing portable power support to the above three modules, including solar panels, lithium battery energy storage, mains fast charging, or AC inverter charging devices.

[0039] In one embodiment, the power supply module 140 supplies power to the tablet control module 130 through the USB TYPE-C interface, and can also directly supply DC power to the test platform 120 through a dedicated adapter (not shown in the figure).

[0040] The test effect of the multi-mode detection and verification device for the search and rescue satellite emergency position indicating beacon of the present utility model will be described below through an example.

[0041] From 7:00 on June 26, 2023 to 12:00 on June 27, it cooperated with the R & D team of the aviation ELT position indicator in Taicang, Jiangsu to test the terminal performance. The position coordinates were 31.487 degrees north latitude and 121.104 degrees east longitude. The test terminal model was the airborne fixed emergency position transmitter (ELT) model GT1000A, with the hardware identification 10D0101A and the software identification 10W0101A.

[0042] The terminal transmits distress signals in the test protocol encoding (339CAAAAAAFFBFF), serial number protocol encoding (338BC67402FFBFF), aircraft operator encoding (3388A18002FFBFF), and 24-bit address encoding (3386EA5652FFBFF) schemes respectively.

[0043] The test is carried out in accordance with the requirements of the international search and rescue satellite organization C / S T.007 COSPAS-SARSAT 406MHz DISTRESS BEACONS TYPE APPROVAL STANDARD. When testing the position indicator, it needs to be turned on at least 15 minutes in advance and run in the open air for at least 5 LEOSAR satellite passes. The required cross-track angle is between 1 and 21 degrees.

[0044] The pass / fail criteria are as follows: 1) The LEOLUT low-earth orbit ground station detects all satellites with a cross-track angle between 1 and 21 degrees by providing the correct 15-hexadecimal identification of the position indicator; 2) At least 80% of the LEOLUT Doppler positions, related to the satellites with a cross-track angle between 1 and 21 degrees passing by and the bursts containing the cross-track angle, must be accurate within 5 kilometers.

[0045] After analyzing the data received by the low-Earth orbit search and rescue satellite system, the dual antennas (CNLUT_1, CNLUT_2) of the low-Earth orbit search and rescue satellite system detected a total of 101 valid ELT beacons that met the data with a TCA cross-track angle from 1 to 21 degrees. The Doppler position was calculated normally, and the encoded position was parsed normally. Among them, the difference between 1 piece of data and the actual position of the beacon exceeded the 5KM threshold, and the remaining data were all within 5KM, meeting the requirements of the test success condition. The detailed received data is as follows in the table. From the data in the table, after analyzing the data received by the medium-Earth orbit search and rescue satellite system, a total of 1360 valid ELT beacon data were detected. The DOA position was calculated normally, and the encoded position was parsed normally. Practice has proved that the multi-mode detection and verification device for search and rescue satellite emergency beacons of the present utility model has very high accuracy.

[0046] Detection Record Table of the Low-Earth Orbit Search and Rescue Satellite System for BeaconID 3386EA5652FFBFF from June 26th to 27th, 2023

[0047]

[0048]

[0049]

[0050] All modules of the present utility model are integrated into a high-strength sealed universal box to form a portable device. In a specific embodiment, a high-strength pull rod moisture-proof sealed three-proof box is even adopted. In addition, the BT200 test platform 120 therein can also be taken out of the box, work independently away from this portable device, be used offline in places with limited space such as ships and aircraft, and then be reinstalled into the box after completing on-site testing, and then carry out comparison testing. Such a design enables the multi-mode detection and verification device for search and rescue satellite emergency beacons of the present utility model to have good on-site operation ability.

[0051] The multi-mode detection and verification device for search and rescue satellite emergency beacons of the present utility model can be applied to both the first-generation and second-generation search and rescue satellite emergency beacon multi-mode test environments, support detection and verification functions such as receiving, decoding, and positioning of beacon alarm signals, adopt the detection and verification means of local radio frequency signal fusion and satellite communication, and simultaneously have the local and satellite link beacon test and verification capabilities. Especially the integrated and portable set design, and the BT 200 test platform therein also supports working independently away from the set, which more meets the requirements of various operation occasions such as water, high altitude, and the wild.

[0052] It should be noted that the above embodiments are examples and not limitations of the present utility model, and those skilled in the art will be able to design many alternative embodiments without departing from the scope of the appended claims. Although the preferred embodiments of the present utility model have been described, those skilled in the art can make additional changes and modifications to these embodiments once they learn the basic creative concept. Therefore, the appended claims are intended to be construed to include the preferred embodiments as well as all changes and modifications falling within the scope of the present utility model.

Claims

1. A multi-mode detection and verification device for a portable search and rescue satellite emergency position indicating radio beacon, which is connected to the international search and rescue satellite system of China through a wireless network, and is characterized in that: The emergency position indicating radio beacon is a first-generation and / or second-generation emergency position indicating radio beacon. The multimode detection and verification device at least includes the following modules placed in the same portable housing: A mobile communication module (110) that connects to the COSPAS-SARSAT system through a virtual private network and receives the monitoring data of the search and rescue satellite system in real time. This data includes information on receiving and resolving the emergency position indicating radio beacon signal; A BT200 beacon test platform (120) that receives the distress radio frequency signal of the first-generation and / or second-generation emergency position indicating radio beacon, demodulates and tests the radio frequency signal; A tablet control module (130) that includes a display, an input device, and an operating system; The operating system is connected to the mobile communication module (110) through a wireless network and receives the monitoring data of the search and rescue satellite system. The operating system is also interconnected with the BT 200 beacon test platform (120) to control the startup and test process of the BT 200 beacon test platform (120) in real time. The input device inputs operation instructions to the operating system, and the display shows the test process and results, as well as test data, in real time.

2. The multi-mode detection and verification device for a portable search and rescue satellite emergency position indicating beacon according to claim 1, characterized in that: The mobile communication module (110) uses a 5G / 4G LTE communication module; the BT 200 beacon test platform (120) is the BT200 beacon local test platform of WST Company in Canada; the input device of the tablet control module (130) is an input keyboard and / or a touchpad.

3. The multi-mode detection and verification device for a portable search and rescue satellite emergency position indicating radio beacon according to claim 2, wherein: The 5G / 4G LTE communication module of the mobile communication module (110) is a Huawei mobile router.

4. The multi-mode detection and verification device for a portable search and rescue satellite emergency position indicating radio beacon according to claim 1, wherein: The BT 200 beacon test platform (120) demodulates the distress radio frequency signal of the first-generation and / or second-generation emergency position indicating radio beacon, and synchronously performs bit synchronization and frame synchronization to obtain the original bit sequence. The test includes checking the validity of the original bit sequence bit by bit, judging the message type and whether it meets the data field requirements according to the coding format, and checking the bit error rate therein according to the BCH error correction code.

5. The multi-mode detection and verification device for a portable search and rescue satellite emergency position indicating beacon according to claim 4, wherein: The test further includes any of the following items: verification of the default value of the built-in position code of the beacon, verification of the digital information generator, 406MHz transmitter modulation, verification of the transmission frequency and output power, verification of the 121.5MHz transmission continuity monitoring service, verification of the distress message position after changing the input position by more than 5Km, verification of the update interval of the beacon coding position, verification of the last valid position after the loss of the navigation position input, verification of the beacon signal signal-to-noise ratio data, verification of the beacon transmission repetition period, coding verification of the beacon short code and long code modes, detection and verification of the beacon transmission frequency stability, verification of the beacon bit synchronization bit, frame synchronization bit, and format flag, verification of the satellite parsing position and built-in position message data when the beacon uses the official protocol, self-test mode check verification, verification of the beacon antenna and coding software, verification of the navigation system and satellite quality, verification of the frequency stability, and transmission verification of the beacon TN\ICAO\AOD\SN\TEST coding protocol in the aviation exclusive test protocol.

6. The multi-mode detection and verification device for a portable search and rescue satellite emergency position indicating radio beacon according to claim 1, characterized in that: The test platform (120) also supports generating test reports for the radio frequency signal test results of the first-generation and / or second-generation marine, aviation, personal, or special-type emergency position indicating radio beacons according to the relevant technical requirements of the COSPAS-SARSAT documents, and supports customized report formats. It also includes a power supply module (140) that provides portable power support to the mobile communication module (110), the BT200 beacon test platform (120), and the tablet control module (130). The portable power supply includes a solar panel, lithium battery energy storage, fast charging from the mains, or an AC inverter charging device.

7. The multi-mode detection and verification device for a portable search and rescue satellite emergency position indicating beacon according to claim 1, wherein: The power supply module (140) supplies power to it through the USB TYPE-C interface of the tablet control module (130) or through a dedicated adapter.

8. The multi-mode detection and verification device for a portable search and rescue satellite emergency position indicating radio beacon according to claim 7, characterized in that: The portable housing is a high-strength sealed universal box; the BT200 test platform (120) therein can be taken out of the box and detached from this portable device to work independently in the field, on a ship, or in an aircraft, and then reinstalled in the box after completing on-site testing.

9. The multi-mode detection and verification device for a portable search and rescue satellite emergency position indicating beacon according to claim 1, wherein: The high-strength sealed universal box is a high-strength pull rod moisture-proof sealed three-proof box.

10. The multi-mode detection and verification device for a portable search and rescue satellite emergency position indicating beacon according to claim 9, characterized in that: ​

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