CN114488223A - Satellite positioner and emergency communication method - Google Patents
Satellite positioner and emergency communication method Download PDFInfo
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- CN114488223A CN114488223A CN202011255164.0A CN202011255164A CN114488223A CN 114488223 A CN114488223 A CN 114488223A CN 202011255164 A CN202011255164 A CN 202011255164A CN 114488223 A CN114488223 A CN 114488223A
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- 238000004891 communication Methods 0.000 title claims abstract description 147
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000004888 barrier function Effects 0.000 claims description 8
- 230000001737 promoting effect Effects 0.000 claims description 3
- 230000000994 depressogenic effect Effects 0.000 claims 3
- 230000000881 depressing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/34—Power consumption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
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- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
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- Signal Processing (AREA)
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- Business, Economics & Management (AREA)
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Abstract
The invention discloses a satellite positioner and an emergency communication method, wherein the satellite positioner comprises: the device comprises a Beidou communication device, a Global Positioning System (GPS) communication device, a wireless intercom device, a Bluetooth communication device, a wireless communication device, an emergency communication device, main power supply equipment and standby power supply equipment; emergency communication means capable of causing said satellite positioner to enter an emergency mode of operation from a normal mode of operation in dependence on user input; the main power supply equipment is used for providing power for the satellite positioner in a conventional operation mode or an emergency operation mode; a backup power supply for providing power to the satellite positioner in a backup mode of operation.
Description
Technical Field
The present invention relates to the field of satellite positioning technology, and more particularly, to a satellite positioner and an emergency communication method.
Background
Satellite positioning is a technique for accurately positioning an object using satellites. The satellite positioning is developed to the current high-precision global positioning system from the initial low positioning precision, the real-time positioning can not be realized and the timely navigation service is difficult to provide, so that a plurality of satellites can be observed at any time and any point on the earth at the same time, and the functions of navigation, positioning, time service and the like can be realized. Satellite positioning can be used to guide aircraft, ships, vehicles, and individuals to safely and accurately follow a selected route to a destination on time. The satellite positioning can also be applied to the functions of mobile phone pursuit and the like.
The chinese BeiDou Navigation Satellite System (BDS) is a global Satellite Navigation System developed by the self in china, and is also the third mature Satellite Navigation System following GPS and GLONASS. The Beidou satellite navigation system consists of a space section, a ground section and a user section, can provide high-precision, high-reliability positioning, navigation and time service for various users all day long in the global range, has short message communication capacity, and initially has regional navigation, positioning and time service capacities, wherein the positioning precision is decimeter and centimeter level, the speed measurement precision is 0.2 meter/second, and the time service precision is 10 nanoseconds.
The satellite positioner generally provides a satellite positioning function outdoors and can provide a long-distance call function, a wireless intercom function, an emergency call function, and the like. It follows that stable availability of the satellite positioner is very important. The power supply of the satellite positioner is an important support for maintaining the working state. For example, when the battery of the satellite positioner is low, the emergency help function may not be enabled. This situation causes great inconvenience to the user.
Disclosure of Invention
In order to solve the problems in the prior art, the application provides a satellite positioner and an emergency communication method.
According to an aspect of the present invention, there is provided a satellite positioner, comprising:
the shell is used for accommodating a Beidou communication device, a Global Positioning System (GPS) communication device, a wireless intercom device, a Bluetooth communication device, a wireless communication device, an emergency communication device, main power supply equipment and standby power supply equipment;
the Beidou communication device is used for receiving a Beidou satellite signal sent by a Beidou satellite system, generating Beidou positioning data based on the Beidou satellite signal and determining a first current position of the satellite positioner based on the Beidou positioning data;
the GPS communication device is used for receiving a GPS positioning signal sent by a global positioning system, generating GPS positioning data based on the GPS positioning signal and determining a second current position of the satellite positioner based on the GPS positioning data;
the wireless intercom device is used for carrying out wireless intercom communication with at least one wireless intercom device within a first preset range;
a bluetooth communication means for performing bluetooth communication with at least one bluetooth device within a second predetermined range;
a wireless communication means for wirelessly communicating with a plurality of wireless communication devices through wireless communication links;
emergency communication means capable of causing said satellite positioner to enter an emergency operation mode from a normal operation mode in accordance with a user input;
when the satellite positioner enters an emergency operation mode, determining the residual electric quantity of the main power supply equipment, and when the residual electric quantity of the main power supply equipment is larger than an electric quantity threshold value, sending the first current position and the second current position to at least one wireless communication equipment which is selected in advance in a plurality of wireless communication equipment through a wireless communication device; when the residual capacity of the main power supply equipment is lower than or equal to a capacity threshold value, the satellite positioner is prompted to enter a standby operation mode from an emergency operation mode, in the standby operation mode, a third current position is generated based on the first current position and the second current position, and the third current position is sent to at least one wireless communication equipment which is selected in advance from a plurality of wireless communication equipment through a wireless communication device;
the main power supply equipment is used for providing power for the satellite positioner in a conventional operation mode or an emergency operation mode;
a backup power supply for providing power to the satellite positioner in a backup mode of operation.
The method further comprises the steps of acquiring the residual capacity of the main power supply equipment at preset time intervals when the satellite positioner is in an emergency operation mode, and prompting the satellite positioner to enter a standby operation mode from the emergency operation mode when the residual capacity of the main power supply equipment is lower than or equal to a capacity threshold value.
The emergency communication device includes: emergency communication key, first spring assembly, lateral wall, movable baffle, slider, support piece, base, second spring assembly, second fixed electrode, removal electrode, first removal electrode and spring mounting.
The emergency communication key, the side wall and the base can form a cavity, and the cavity is used for accommodating the first spring set, the second spring set, the spring fixing piece, the sliding piece, the first fixed electrode, the second fixed electrode and the movable electrode.
The spring fixing part is used for fixing each spring in a first spring group, so that each spring in the first spring group can be stretched or compressed along the length direction of the spring fixing part, and the first spring group comprises 2 or more springs.
The second fixed electrode includes three bumps, and a second spring group including two or more springs is received by a space between two adjacent bumps such that the second spring group is extended or compressed in a length direction of the bumps.
When the residual electric quantity of the main power supply equipment is larger than the electric quantity threshold value, the movable baffle plate is located at the first position, so that the satellite positioner is prompted to enter an emergency operation mode from a conventional operation mode when the emergency communication key is pressed down from the initial position, and when the movable baffle plate is located at the first position, the emergency communication key can be prevented from being further pressed down, so that the movable electrode is electrically connected with the first fixed electrode;
when the movable electrode is electrically connected with the first fixed electrode, the main power supply equipment is conducted so that the main power supply equipment provides power for the satellite positioner.
When the residual electric quantity of the main power supply equipment is less than or equal to the electric quantity threshold value, the movable baffle is located at the second position, so that the emergency communication key can be further pressed, the electric connection between the movable electrode and the first fixed electrode is disconnected, and the movable electrode is electrically connected with the second fixed electrode through further pressing;
when the movable electrode is electrically connected with the second fixed electrode, the standby power supply device is switched on to supply power to the satellite positioner by the standby power supply device, and the movable baffle can keep the emergency communication key at the current position until the emergency communication key is pressed again to generate an elastic force for promoting the emergency communication key to return to the initial position.
Wherein the movable barrier is movable between a first position and a second position, and the movable barrier moves through the aperture in the sidewall.
The support is used for supporting the movable baffle and driving the movable baffle to move between a first position and a second position
The base is used for arranging the side wall, the second fixed electrode and the supporting piece.
The sliding piece can push the movable electrode to move under the pressing action of the emergency communication key.
The first fixed electrode is connected with the main power supply equipment.
The second fixed electrode is connected with a standby power supply device.
According to another aspect of the present invention, an emergency communication method for a satellite positioner includes:
receiving a Beidou satellite signal sent by a Beidou satellite system, generating Beidou positioning data based on the Beidou satellite signal, and determining a first current position of a satellite positioner based on the Beidou positioning data;
receiving a GPS positioning signal sent by a global positioning system, generating GPS positioning data based on the GPS positioning signal, and determining a second current position of the satellite positioner based on the GPS positioning data;
when an indication of entering an emergency communication mode is received, prompting a satellite positioner to enter an emergency operation mode, determining the residual electric quantity of main power supply equipment, and when the residual electric quantity of the main power supply equipment is larger than an electric quantity threshold value, sending the current position of the satellite positioner to at least one wireless communication equipment which is selected in advance in a plurality of wireless communication equipment through a wireless communication device;
and when the residual capacity of the main power supply equipment is lower than or equal to the capacity threshold value, the satellite positioner is prompted to enter a standby operation mode from an emergency operation mode, in the standby operation mode, a third current position is generated based on the first current position and the second current position, and the third current position is sent to at least one pre-selected wireless communication equipment in the plurality of wireless communication equipment through the wireless communication device.
Drawings
A more complete understanding of exemplary embodiments of the present invention may be had by reference to the following drawings in which:
FIG. 1 is a schematic diagram of a satellite positioner according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of an emergency communication device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the operation of an emergency communication device according to an embodiment of the invention;
fig. 4 is another operational schematic of an emergency communication device according to an embodiment of the present invention.
Detailed Description
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
Fig. 1 is a schematic structural diagram of a satellite positioner according to an embodiment of the invention. As shown in fig. 1, the satellite positioner includes: the device comprises a Beidou communication device, a Global Positioning System (GPS) communication device, a wireless intercom device, a Bluetooth communication device, a wireless communication device, an emergency communication device, main power supply equipment and standby power supply equipment. In addition, the satellite positioner also comprises a shell for accommodating a Beidou communication device, a Global Positioning System (GPS) communication device, a wireless intercom device, a Bluetooth communication device, a wireless communication device, an emergency communication device, main power supply equipment and standby power supply equipment. The Beidou communication device is used for receiving Beidou satellite signals sent by a Beidou satellite system, generating Beidou positioning data based on the Beidou satellite signals and determining a first current position of the satellite positioner based on the Beidou positioning data. The Beidou communication device has a Beidou RDSS short message function, a Beidou RDSS bidirectional positioning function, a Beidou RNSS positioning function and a GPS positioning function. Wherein, big dipper RDSS performance includes: receiving a channel: 10. emission EIRP: not less than 4dBW, locking time, cold start initial capture time: 2s or less, losing lock recapture time: less than or equal to 1 s. Wherein, big dipper RNSS performance includes: cold start: 35s, warm start: 1s, recapture time less than or equal to 1s, positioning accuracy less than or equal to 10m, speed accuracy less than or equal to 0.1m/s and update frequency 1 Hz.
And the GPS communication device is used for receiving a GPS positioning signal sent by a global positioning system, generating GPS positioning data based on the GPS positioning signal and determining a second current position of the satellite positioner based on the GPS positioning data.
The wireless intercom device is used for carrying out wireless intercom communication with at least one wireless intercom device within a first preset range. Wherein the wireless intercom capabilities include: frequency range: 400 MHZ-470 MHZ, voice encryption (scrambling) function: (8 selections), digital volume adjustment: (1-8 stages) adjustable and 3 optional RF output powers: high power 2W, low power 0.5W, ultra low power consumption (sleep mode): (0.1uA), reference communication distance: up to 6 km open (high power). Where the actual communication distance is affected by many factors.
And a bluetooth communication means for performing bluetooth communication with at least one bluetooth device within a second predetermined range. A wireless communication device for wirelessly communicating with a plurality of wireless communication apparatuses via a wireless communication link. The wireless communication device may communicate using various known mobile communication protocols.
Emergency communication means capable of causing said satellite positioner to enter an emergency mode of operation from a normal mode of operation in response to a user input. Emergent SOS that communicates can realize one-button SOS.
And when the satellite positioner enters an emergency operation mode, determining the residual capacity of the main power supply equipment, and when the residual capacity of the main power supply equipment is greater than a capacity threshold value, sending the first current position and the second current position to at least one wireless communication equipment which is selected in advance from a plurality of wireless communication equipment through a wireless communication device. And when the residual capacity of the main power supply equipment is lower than or equal to a capacity threshold value, the satellite positioner is prompted to enter a standby operation mode from an emergency operation mode, in the standby operation mode, a third current position is generated based on the first current position and the second current position, and the third current position is sent to at least one wireless communication equipment which is selected in advance from a plurality of wireless communication equipment through a wireless communication device. Wherein generating the third current location based on the first current location and the second current location comprises: and calculating the midpoint of a connecting line segment of the first current position and the second current position, and determining the midpoint as a third current position. Generating the third current location based on the first current location and the second current location includes: and calculating a random point on a connecting line segment of the first current position and the second current position, and determining the random point as a third current position.
And the main power supply equipment is used for providing power for the satellite positioner in a conventional operation mode or an emergency operation mode. A backup power supply for providing power to the satellite positioner in a backup mode of operation. The battery specifications of the main power supply device and the standby power supply device may be: 3.7V/3500 mA large-capacity polymer battery. The standby power consumption is less than or equal to 150mA @ (+3.7V), the power consumption of a transmitting power amplifier is less than or equal to 3.5A @ (+5V), the standby time is more than or equal to 22 hours, and the charging mode is 5V 1.2A MAX. The battery capacity of the main power supply equipment is larger than or equal to the battery capacity of the standby power supply equipment.
The method further comprises the steps of acquiring the residual capacity of the main power supply equipment at preset time intervals when the satellite positioner is in an emergency operation mode, and prompting the satellite positioner to enter a standby operation mode from the emergency operation mode when the residual capacity of the main power supply equipment is lower than or equal to a capacity threshold value.
Fig. 2 is a schematic structural diagram of an emergency communication device according to an embodiment of the present invention. The emergency communication device includes: emergency communication key 201, first spring set 202, side wall 203, movable flap 204, slider 205, support 206, base 207, second spring set 208, second fixed electrode 209, moving electrode 210, first moving electrode 211, and spring mount 212.
The emergency communication key 201, the side wall 203 and the base 207 can form a cavity. The cavity is used for accommodating a first spring set 202, a second spring set 208, a spring fixing member 212, a sliding member 205, a first fixed electrode 211, a second fixed electrode 209 and a moving electrode 210. Wherein the spring fixing member 212 is used for fixing each spring in the first spring group 202, so that each spring in the first spring group 202 can be stretched or compressed along the length direction of the spring fixing member, and the first spring group 202 comprises 2 or more springs.
The second fixed electrode 209 includes three bumps, and the second spring group 208 is accommodated with a space between two adjacent bumps such that the second spring group 208 is extended or compressed in a length direction of the bumps, the second spring group 208 including two or more springs.
When the remaining capacity of the primary power supply device is greater than the capacity threshold, the movable baffle is in the first position, so that when the emergency communication key 201 is pressed from the initial position, the satellite positioner is caused to enter the emergency operation mode from the normal operation mode, and when the movable baffle 204 is in the first position, the emergency communication key can be prevented from being further pressed, so that the movable electrode 210 is electrically connected with the first fixed electrode 211. When the movable electrode 210 is electrically connected to the first fixed electrode 211, the main power supply device is turned on to supply power to the satellite positioner.
When the remaining capacity of the active power supply apparatus is less than or equal to the capacity threshold, the movable shutter 204 is in the second position, so that the emergency communication key 201 can be further pressed, thereby disconnecting the electrical connection between the movable electrode 210 and the first fixed electrode 211, and by further pressing, electrically connecting the movable electrode 210 and the second fixed electrode 209.
When the movable electrode 210 is electrically connected to the second fixed electrode 209, the backup power supply device is turned on so that the satellite positioner is supplied with power from the backup power supply device, and the movable shutter 204 can keep the emergency communication key 201 at the current position until the emergency communication key 201 is pressed again to generate an elastic force urging the emergency communication key 201 to return to the initial position.
Wherein the movable shutter 204 is movable between a first position and a second position and the movable shutter 204 moves through the aperture in the sidewall. The support 206 is used to support the movable barrier 204 and to drive the movable barrier 204 between the first position and the second position. The mount 207 is used to fix and support the sidewall, the second fixed electrode, and the support. The slider 205 can push the moving electrode 210 to move by pressing the emergency communication key 201. The first fixed electrode 211 is connected to the main power supply device. The second fixed electrode 209 is connected to a backup power supply.
Fig. 3 is a schematic diagram of the operation of an emergency communication device according to an embodiment of the present invention. The movable flapper is movable between a first position and a second position, and the movable flapper moves through an aperture in the sidewall. As shown in fig. 3, when the remaining power of the active power supply device is greater than the power threshold, the movable baffle is in the first position, so that the emergency communication key is pressed from the initial position, and the satellite positioner is prompted to enter the emergency operation mode from the normal operation mode. And when the movable baffle is in the first position, the emergency communication key can be prevented from being further pressed, so that the movable electrode is electrically connected with the first fixed electrode. When the movable electrode is electrically connected with the first fixed electrode, the main power supply equipment is conducted so that the main power supply equipment provides power for the satellite positioner.
Fig. 4 is another operational schematic of an emergency communication device according to an embodiment of the present invention. When the remaining capacity of the active power supply device is less than or equal to the capacity threshold, the movable shutter is in the second position, so that the emergency communication key can be further pressed, thereby disconnecting the electrical connection between the movable electrode and the first fixed electrode, and electrically connecting the movable electrode and the second fixed electrode by further pressing, as shown in fig. 4. When the movable electrode is electrically connected with the second fixed electrode, the standby power supply device is switched on to supply power to the satellite positioner by the standby power supply device, and the movable baffle can keep the emergency communication key at the current position until the emergency communication key is pressed again to generate an elastic force for promoting the emergency communication key to return to the initial position.
The satellite positioner of the embodiment has the characteristics that: three proofings IP68, support big dipper RDSS, RNSS, SOS, bluetooth wireless connection, wireless talkback and triaxial accelerometer. The environmental characteristics include: working temperature: -20 degrees- +55 degrees, within one month: -20 to +45 ℃ for six months: minus 10 ℃ to plus 35 ℃. The interface characteristics include: communication port: bluetooth 4.2, Micro USB, serial ports TTL level. The charging interface is Micro USB and supports the client.
The terminal dimensions of this embodiment are, for example, 108mm 56.8mm 18 mm.
In addition, the present application also provides an emergency communication method suitable for a satellite positioner, including:
receiving a Beidou satellite signal sent by a Beidou satellite system, generating Beidou positioning data based on the Beidou satellite signal, and determining a first current position of a satellite positioner based on the Beidou positioning data;
receiving a GPS positioning signal sent by a global positioning system, generating GPS positioning data based on the GPS positioning signal, and determining a second current position of the satellite positioner based on the GPS positioning data;
when an indication of entering an emergency communication mode is received, prompting a satellite positioner to enter an emergency operation mode, determining the residual electric quantity of main power supply equipment, and when the residual electric quantity of the main power supply equipment is larger than an electric quantity threshold value, sending the current position of the satellite positioner to at least one wireless communication equipment which is selected in advance in a plurality of wireless communication equipment through a wireless communication device;
and when the residual capacity of the main power supply equipment is lower than or equal to the capacity threshold value, prompting the satellite positioner to enter a standby operation mode from an emergency operation mode, generating a third current position based on the first current position and the second current position in the standby operation mode, and sending the third current position to at least one pre-selected wireless communication equipment in the plurality of wireless communication equipment through the wireless communication device.
The invention has been described with reference to a few embodiments. However, other embodiments of the invention than the one disclosed above are equally possible within the scope of the invention, as would be apparent to a person skilled in the art from the appended patent claims.
Generally, all terms used in the claims are to be interpreted according to their ordinary meaning in the technical field, unless explicitly defined otherwise herein. All references to "a/an/the [ device, component, etc ]" are to be interpreted openly as referring to at least one instance of said device, component, etc., unless explicitly stated otherwise. The steps of any method disclosed herein do not have to be performed in the exact order disclosed, unless explicitly stated.
Claims (10)
1. A satellite positioner, the satellite positioner comprising:
the shell is used for accommodating a Beidou communication device, a Global Positioning System (GPS) communication device, a wireless intercom device, a Bluetooth communication device, a wireless communication device, an emergency communication device, main power supply equipment and standby power supply equipment;
the Beidou communication device is used for receiving a Beidou satellite signal sent by a Beidou satellite system, generating Beidou positioning data based on the Beidou satellite signal and determining a first current position of the satellite positioner based on the Beidou positioning data;
the GPS communication device is used for receiving a GPS positioning signal sent by a global positioning system, generating GPS positioning data based on the GPS positioning signal and determining a second current position of the satellite positioner based on the GPS positioning data;
the wireless intercom device is used for carrying out wireless intercom communication with at least one wireless intercom device within a first preset range;
a bluetooth communication means for performing bluetooth communication with at least one bluetooth device within a second predetermined range;
a wireless communication means for wirelessly communicating with a plurality of wireless communication devices through wireless communication links;
emergency communication means capable of causing said satellite positioner to enter an emergency mode of operation from a normal mode of operation in dependence on user input;
when the satellite positioner enters an emergency operation mode, determining the residual electric quantity of the main power supply equipment, and when the residual electric quantity of the main power supply equipment is larger than an electric quantity threshold value, sending the first current position and the second current position to at least one wireless communication equipment which is selected in advance in a plurality of wireless communication equipment through a wireless communication device; when the residual capacity of the main power supply equipment is lower than or equal to a capacity threshold value, the satellite positioner is prompted to enter a standby operation mode from an emergency operation mode, in the standby operation mode, a third current position is generated based on the first current position and the second current position, and the third current position is sent to at least one wireless communication equipment which is selected in advance from a plurality of wireless communication equipment through a wireless communication device;
the main power supply equipment is used for providing power for the satellite positioner in a conventional operation mode or an emergency operation mode;
a backup power supply for providing power to the satellite positioner in a backup mode of operation.
2. The satellite positioner of claim 1, further comprising acquiring a remaining power of the primary power supply device at predetermined time intervals while the satellite positioner is in an emergency operation mode, and causing the satellite positioner to enter a standby operation mode from the emergency operation mode when the remaining power of the primary power supply device is less than or equal to a power threshold.
3. The satellite locator of claim 1, the emergency communication device comprising: emergency communication key, first spring assembly, lateral wall, movable baffle, slider, support piece, base, second spring assembly, second fixed electrode, removal electrode, first removal electrode and spring mounting.
4. The satellite positioner of claim 3, wherein the emergency communication key, the side wall and the base can form a cavity for housing the first spring set, the second spring set, the spring retainer, the slider, the first stationary electrode, the second stationary electrode and the moving electrode.
5. The satellite positioner of claim 4, wherein the spring mount is configured to mount each spring in a first spring group such that each spring in the first spring group can be extended or compressed along a length of the spring mount, the first spring group comprising 2 or more springs.
6. The satellite positioner of claim 4, the second fixed electrode comprising three bumps, and a second spring set comprising two or more springs is received with a space between two adjacent bumps such that the second spring set is stretched or compressed along a length direction of the bumps.
7. The satellite positioner of claim 4, wherein when the remaining power of the primary power supply device is greater than the power threshold, the movable barrier is in the first position, such that the emergency communication key is depressed from the initial position, causing the satellite positioner to enter the emergency operation mode from the normal operation mode, and when the movable barrier is in the first position, the emergency communication key is prevented from being depressed further, thereby maintaining the electrical connection between the movable electrode and the first fixed electrode;
when the movable electrode is electrically connected with the first fixed electrode, the main power supply equipment is conducted so that the main power supply equipment provides power for the satellite positioner.
8. The satellite positioner of claim 4, wherein when the remaining power of the primary power supply device is less than or equal to the power threshold, the movable shutter is in the second position, such that the emergency communication key can be further depressed, thereby disconnecting the electrical connection between the movable electrode and the first stationary electrode, and electrically connecting the movable electrode and the second stationary electrode by further depressing;
when the movable electrode is electrically connected with the second fixed electrode, the standby power supply device is switched on to supply power to the satellite positioner by the standby power supply device, and the movable baffle can keep the emergency communication key at the current position until the emergency communication key is pressed again to generate an elastic force for promoting the emergency communication key to return to the initial position.
9. The satellite positioner of claim 4, wherein the movable barrier is movable between a first position and a second position, and the movable barrier moves through an aperture in the sidewall.
10. An emergency communication method for a satellite positioner, the method comprising:
receiving a Beidou satellite signal sent by a Beidou satellite system, generating Beidou positioning data based on the Beidou satellite signal, and determining a first current position of a satellite positioner based on the Beidou positioning data;
receiving a GPS positioning signal sent by a global positioning system, generating GPS positioning data based on the GPS positioning signal, and determining a second current position of the satellite positioner based on the GPS positioning data;
when an indication of entering an emergency communication mode is received, prompting a satellite positioner to enter an emergency operation mode, determining the residual electric quantity of main power supply equipment, and when the residual electric quantity of the main power supply equipment is larger than an electric quantity threshold value, sending the current position of the satellite positioner to at least one wireless communication equipment which is selected in advance in a plurality of wireless communication equipment through a wireless communication device;
and when the residual capacity of the main power supply equipment is lower than or equal to the capacity threshold value, the satellite positioner is prompted to enter a standby operation mode from an emergency operation mode, in the standby operation mode, a third current position is generated based on the first current position and the second current position, and the third current position is sent to at least one pre-selected wireless communication equipment in the plurality of wireless communication equipment through the wireless communication device.
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