KR20170130251A - An emergency position transmitter and operating method thereof - Google Patents

Abstract

The present invention relates to a distress location transmitter and an operating method thereof. The distress location transmitter according to an aspect of the present invention comprises: a power supply unit; an input unit; a sensor unit which includes a first sensor detecting a water or salt concentration; an RF communication unit; a GPS reception unit; a memory unit which stores location data; and a control unit. The distress location transmitter further comprises a satellite transmission unit. The control unit is maintained as a standby mode at the time of power-on, wakes up the GPS reception unit at each set standby interval, stores location data in the memory unit in accordance with reception of a GPS signal. When the control unit determines distress in accordance with an SOS input from the input unit or a detection signal of the sensor unit during a standby mode, the control unit switches the mode to an SOS mode, generates a distress signal including location data, operates the RF communication unit to transmit the distress signal at a previously set RF transmission interval, operates the satellite transmission unit at a first satellite transmission interval longer than the first RF transmission interval, wakes up the GPS reception unit at an SOS mode interval shorter than the standby interval, and stores or updates the location data in the memory unit. When a flooding determination state based on the signal of the first sensor and the strength of the GPS signal equal to or lower than a set value is continued during the SOS mode, the control unit switches the mode to a power saving mode, stops the operations of the RF communication unit and the satellite transmission unit, and wakes up the first sensor and the GPS reception unit at a power saving mode interval longer than the SOS mode interval. In addition, the operation method of the distress location transmitter is proposed.

Description

≪ Desc / Clms Page number 1 > AN EMERGENCY POSITION TRANSMITTER AND OPERATING METHOD THEREOF &

The present invention relates to a distress location transmitter and a method of operation thereof. And more particularly, to a distress location transmitter that transmits an RF signal and a satellite signal using a distress signal and a method of operating the same.

Vessel position transmitter (V-PASS), which can send rescue signals in case of a sea accident, is installed on the fishing boat, and VHF-DSC radio is mandatory. However, the above communication equipment only informs about the final sinking point when the fishing boat is overturned or sinks, and there is no way to confirm the location of the drifting drift. In addition, since the distance to the station is limited, it may be difficult to report an accident when operating in the far sea.

The reason why the fishing vessel overturns or sinks in this way leads to the damage of the marine life is because it is difficult to visualize the location of the victim who is drifting in the current of the rapid flow velocity. If weather conditions such as nighttime or fog are poor, the search will be more difficult and lead to hypothermic accidents or disappearances. In addition to fishing vessels, other marine casualties or marine leisure activities have been disturbed at sea, especially at night, the distance of the searchlight is as short as a few hundred meters and it is difficult to locate the victim due to bad weather or ocean currents. There is a very difficult problem in searching for missing persons.

As a result, the number of administrative manpower, traps, aircraft costs, etc. required to search for missing persons as well as the loss of human life are being excessively consumed. Therefore, a more scientific search for victims A method is urgently required.

In the case of boats, fishing, etc., as well as in marine and uncommon lakes and rivers, there is a need for a method capable of scientific structure rather than visual search even if it is distressed by water.

In order to solve the difficulty of location in the rescue structure, there has been much development of a personal distress rescue device capable of positioning using GPS.

However, the conventional GPS receiving system receives satellite signals at intervals of several seconds, so that the GPS receiving standby power is considerably high in the distress terminal. Accordingly, if the time required for the distress rescue takes a long time due to the difficulty in the structure of the marine accident, the distress terminal may not have sufficient battery residual capacity.

Patent Registration No. 10-1135148 (registered on Apr. 3, 2012)

In the event of a distress accident in a waterfront or the like, the problem of the signal cover area due to the transmission of the conventional short-range RF signal in the portable terminal such as the distress location transmitter and the battery power due to the addition of the other wireless communication method Relationship.

Accordingly, there is a demand for a technology capable of simultaneously reducing the power consumption while increasing the transmission coverage area of the distress signal in the portable terminal for distress structure such as the distress position transmitter.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a distress location transmitter capable of transmitting an RF signal and a satellite signal with a distress signal but reducing power consumption.

According to an aspect of the present invention, there is provided a sensor unit including a power unit, an input unit for receiving power and an SOS setting, a sensor unit for sensing moisture or salinity, A disturbance position transmitter including a transmitting RF communication unit, a GPS receiving unit for receiving and processing GPS signals, a memory unit for storing position data calculated from the GPS signal, and a control unit, further comprising a satellite transmitting unit for transmitting the distress signal through satellite communication The control unit is kept in the standby mode at the time of power on and wakes up the GPS receiver every predetermined waiting interval to store or update the position data in the memory unit according to the reception of the GPS signal, Mode, it switches to SOS mode and generates a distress signal including position data and sends a distress signal The RF communication unit is operated in the first RF transmission interval set and the satellite transmission unit is operated in the first satellite transmission interval longer than the first RF transmission interval and the GPS reception unit is waked up in the SOS mode interval shorter than the standby interval, And when the immersion determination state and the GPS signal intensity lower than the set GPS signal intensity are maintained, the operation mode is switched to the power saving mode, the operation of the RF communication unit and the satellite transmission unit is turned off, and the SOS mode And the first sensor and the GPS receiver are waked up in a power saving mode interval longer than the interval.

In this case, in one example, the distress position transmitter may further include a sound wave transmitter for generating and outputting a distress sound wave signal, and the controller may operate the sound wave transmitter at a set interval in the power saving mode to transmit the distress sound wave signal to the receiver .

In addition, in one example, when the GPS signal strength of the GPS receiving unit waked up in the power saving mode is equal to or greater than a predetermined value, the control unit switches to the floating state mode, turns off the sensor unit in the floating state mode, The RF communication unit may be operated at a second RF transmission interval longer than the first RF transmission interval and the satellite transmission unit may be operated at a second satellite transmission interval longer than the first satellite transmission interval in order to wake up the receiving unit and transmit the distress signal.

At this time, in another example, the control unit sets the transmission period of the distress signal according to the second RF transmission interval and the second satellite transmission interval in the floating state mode to the first floating mode, and the first floating mode sets the transmission time The RF communication unit is switched to the second floating mode, and the GPS receiving unit is waken up at the second floating mode interval longer than the floating mode interval, and the RF communication unit is switched to the third RF transmission interval longer than the second RF transmission interval so that the distress signal is transmitted And operate the satellite transmitter at a third satellite transmission interval that is longer than the second satellite transmission interval.

Further, in one example, the control unit can wake up and switch to the SOS mode by the trigger operation by the SOS input at the input unit in the power off mode.

In another example, the sensor unit may further include an acceleration sensor, and the control unit may cause the disturbance when the detection result of the first sensor, the detection result of the acceleration sensor, or the detection result of the first sensor and the acceleration sensor, It is possible to turn off the operation of the acceleration sensor until the SOS mode is released according to the SOS release input in the input unit after switching to the SOS mode.

In addition, according to one example, the memory unit further stores the registration information registered in addition to the location data, and the control unit can generate the distress signal further including the registration information or the registration information and the distress time information in addition to the location data.

In another example, the RF communication unit receives an external signal through RF communication, the external signal is a response signal to the distress signal transmitted through the RF communication unit, or an external distress signal, and the control unit determines that the external signal is a response signal Generates and transmits an additional distress signal including additional information that is stored in the memory but not included in the distress signal, broadcasts the distress signal through an RF communication unit when the external signal is a distress signal, , And the additional information may include at least a part of registered registration information, post-distress movement information, distress time information, and distress determination information.

Further, in one example, the RF communication unit may include an active RFID module.

In order to achieve the above object, according to another aspect of the present invention, there is provided a method for controlling a distress signal, comprising: a sensor unit having an input unit for receiving power and SOS settings, a first sensor for sensing moisture or salinity, An operation method of a distress position transmitter including an RF communication unit for transmitting by communication, a GPS receiving unit for receiving and processing a GPS signal, and a satellite transmitting unit for transmitting a distress signal by satellite communication, A waiting step in which the operation of the receiving unit is woken up at the set waiting interval and the position data is stored or updated according to the received GPS signal and the disturbance determination is performed according to the sensing signal of the sensor unit; A distress signal including position data is generated, and the RF communication unit is switched to the first RF transmission interval set at the first RF transmission interval and the satellite communication unit 1 SOS step wherein the SOS step is operated at a first satellite transmission interval longer than the one RF transmission interval to transmit the distress signal and the GPS receiver is waked up at an SOS mode interval shorter than the standby interval to store or update the position data; And in the SOS step, when the immersion determination state according to the signal of the first sensor and the GPS signal intensity below the setting are maintained, the power saving mode is maintained and the operation of the RF communication unit and the satellite transmission unit is turned off, And a power saving step of waking up the first sensor and the GPS receiving unit at a mode interval.

At this time, in one example, in the power saving step, the distress position transmitter generates a distressed sound signal at a set interval and sends it to the hand.

In one embodiment, when the GPS signal strength of the GPS receiving unit waked up in the power saving step is equal to or greater than a predetermined value, the operation method is switched to the floating state mode and the sensor unit is turned off. And the RF communication unit operates at a second RF transmission interval that is longer than the first RF transmission interval and the satellite transmission unit operates at a second satellite transmission interval that is longer than the first satellite transmission interval and in which a transmission of the distress signal is performed, .

At this time, in another example, the floating state step includes a first floating mode step in which the GPS receiving unit is woken up at the floating mode interval and the distress signal is transmitted according to the second RF transmission interval and the second satellite transmission interval, The GPS receiver is woken up at a second floating mode interval that is longer than the floating mode interval and the RF communication unit is switched to the third RF transmission interval longer than the second RF transmission interval and the satellite transmission unit And a second floating mode step in which transmission of a distress signal is performed, each of which operates at a third satellite transmission interval longer than the second satellite transmission interval.

In another example, switching to the SOS mode by the SOS input of the input section in the SOS stage may be performed by triggering the SOS input at the input section in the power off mode to wake up the distress position transmitter, The switching to the SOS mode according to the distress determination at the SOS stage may be performed according to the detection result of the first sensor at the standby stage, the detection result of the acceleration sensor provided at the sensor unit, If the detection result of the sensor is equal to or greater than the set range value, it can be performed according to the determination that the distress is detected.

According to one embodiment of the present invention, RF signals and satellite signals can be transmitted with a distress signal, but power consumption can be reduced. This facilitates the distress structure, while minimizing the power consumption of the transmitter and transmitting the distress signal for a long time.

It is apparent that various effects not directly referred to in accordance with various embodiments of the present invention can be derived by those of ordinary skill in the art from the various configurations according to the embodiments of the present invention.

1 is a block diagram schematically illustrating a distress location transmitter in accordance with one embodiment of the present invention.
2 is a block diagram schematically illustrating a distress location transmitter according to another embodiment of the present invention.
3 is a circuit block diagram schematically illustrating a distress location transmitter according to another embodiment of the present invention.
4 is a flowchart schematically illustrating a method of operating a distress position transmitter according to another embodiment of the present invention.
5 is a flowchart schematically illustrating an operation method of a distress position transmitter according to another embodiment of the present invention.
6 is a flowchart schematically illustrating an operation method of a distress position transmitter according to another embodiment of the present invention.
7 is a flowchart schematically illustrating an operation method of a distress position transmitter according to another embodiment of the present invention.
Figure 8 schematically shows the appearance of a distress location transmitter according to one example.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a block diagram showing the configuration of a first embodiment of the present invention; Fig. In the description, the same reference numerals denote the same components, and a detailed description may be omitted for the sake of understanding of the present invention to those skilled in the art.

As used herein, unless an element is described as being connected, coupled, or arranged with another element, it is understood that there is no need for any other form of " direct connection, But may also be in the form of being connected, bonded or disposed by intervening components. Also, where described in terms of direction and / or position in the present description, such terms are relative concepts as determined from the bases, wherein the bases may be described directly or not, Can be fully understood from the relationship between the configuration and the related configuration.

It should be noted that, although a singular expression is used in this specification, it can be used as a concept representing a plurality of constitutions as long as it is contrary to the concept of the invention or is not interpreted as being obviously different or contradictory. It is to be understood that the phrases "including", "having", "having", "comprising", etc. in this specification are intended to be additionally or interchangeable with one or more other elements or combinations thereof.

[SOS location transmitter]

First, a distress position transmitter according to one aspect of the present invention will be described with reference to the drawings. In the drawings, the same reference numerals denote the same components, and reference numerals which are not shown in the drawings denote the same components as those in the other drawings.

FIG. 1 is a block diagram schematically showing a distress position transmitter according to an embodiment of the present invention, FIG. 2 is a block diagram schematically showing a distress position transmitter according to another embodiment of the present invention, FIG. 6 is a circuit block diagram schematically showing a distress position transmitter according to another embodiment of the present invention. FIG. Figure 8 schematically shows the appearance of a distress location transmitter according to one example.

4 to 7 schematically illustrate a method of operating the distress position transmitter according to another example of the present invention. However, since the present invention is also applied to the operation of the distress position transmitter according to one example of the present invention, May be referred to in describing the embodiments.

1 to 3, the distress position transmitter according to one example includes a power source unit 10, an input unit 20, a sensor unit 30, an RF communication unit 50, a GPS receiving unit 40, a memory unit 70, And a control unit 90. At this time, the distress location transmitter may further include a satellite transmission unit 60. [ 2 to 3, the distress position transmitter according to one example may further include a sound wave transmitter 80. [

First, briefly, the power supply unit 10 supplies power. The input unit 20 receives the power setting and receives the SOS setting. For example, the input unit 20 may include a power on / off button and an SOS button. The sensor unit 30 includes a first sensor 31. At this time, the first sensor 31 senses moisture or salt concentration. The RF communication unit 50 transmits the distress signal through the RF communication according to the control. The GPS receiving unit 40 receives and processes the GPS signal. The memory unit 70 stores and / or updates the position data calculated from the GPS signal according to the control. Further, the satellite transmitting section 60 transmits the distress signal through satellite communication under control.

In addition, the control unit 90 controls the respective components according to the standby mode, the SOS mode, and the power saving mode. At this time, the control unit 90 keeps the standby mode at the time of power on and wakes up the GPS receiving unit 40 at predetermined waiting intervals, and transmits the position data to the memory unit 70 ). The control unit 90 receives the SOS input from the input unit 20 or switches to the SOS mode when it is determined that the sensor unit 30 senses a distress signal during the standby mode. In the SOS mode, the control unit 90 generates the distress signal including the position data, and transmits the RF communication unit 50 at the first RF transmission interval and the satellite transmission unit 60 at the first satellite transmission interval Respectively, to transmit distress signals. In addition, in the SOS mode, the control unit 90 wakes up the GPS receiver 40 in the SOS mode interval shorter than the standby interval, and updates the position data calculated from the GPS signal in the memory unit 70 to update. The control unit 90 switches the SOS mode to the power saving mode when the immersion determination state continues according to the signal of the first sensor 31 in the SOS mode and the GPS signal intensity below the predetermined level continues. The controller 90 turns off the operations of the RF communication unit 50 and the satellite transmission unit 60 and controls the first sensor 31 and the GPS reception unit 40 in a power saving mode interval longer than the SOS mode interval, Up operation.

Let's look at each configuration in more detail. In this case, the power unit 10, the input unit 20, the sensor unit 30, the memory unit 70, the RF communication unit 50, the GPS reception unit 40, the satellite transmission unit 60, the sound transmission unit 80, (90). According to one embodiment of the present invention, the power supply unit 10, the input unit 20, the sensor unit 30, the RF communication unit 50, the GPS reception unit 40, the satellite transmission unit 60, (70) and a control unit (90).

The power supply unit (10)

1 to 3, the power supply unit 10 supplies power. At this time, power supply to each configuration requiring power from the power supply unit 10 may be performed under the control of the control unit 90, except that the power supply is always supplied.

For example, the power supply unit 10 may include a rechargeable battery. The charging of the battery of the power supply unit 10 may be performed by wired charging through the exposed charging terminal or wireless charging without charging terminal. For example, if a charging terminal is provided, it is exposed on the case.

The input unit 20,

1, 2, 3 and / or 8, the input unit 20 receives a power setting and also receives an SOS setting. For example, the input unit 20 may include a power on / off button 22 and SOS buttons 21a and 21b. Power is supplied to the necessary components in the power supply unit 10 according to the power on setting input in the input unit 20. [ For example, the power on / off button may be two buttons or one button. If the power ON / OFF button 22 is ON, for example, the power can be turned off by pressing the power button for a long time in the power ON state.

For example, referring to FIG. 8, two SOS buttons 21a and 21b may be provided and may include an SOS setting button 21a and an SOS release button 21b, or may include only one button It is possible. If there is only one SOS button, press SOS button briefly in the power on state, and press SOS button longer than the set time. Alternatively, the SOS release setting input may be performed by changing the number of times by pressing one SOS button twice in a set time or the like. For example, at this time, the controller 90 may determine an input signal by the SOS button in the input unit 20 and determine whether the signal is an SOS setting request signal or an SOS release request signal.

Also, in one example, even when the power is off, the controller 90 wakes up the controller 90 by the trigger operation by the SOS input at the input unit 20, and the controller 90 switches the power off state to the SOS mode . For example, by pressing the SOS setting button longer than the set time in the power off state, the trigger operation by the SOS input is performed, so that the SOS mode can be directly switched from the power off mode. For example, a piezoelectric sensor (not shown) is provided under the SOS setting button. When the SOS setting button is pressed in the power off state, a signal generated in the piezoelectric sensor is received from the trigger circuit, The control unit 90 can be woken up and the control unit 90 can switch the SOS mode.

The sensor unit 30,

The sensor unit 30 includes a first sensor 31. At this time, the first sensor 31 senses moisture or salt concentration. The first sensor 31 may be a moisture sensor or the first sensor 31 may be a salinity sensing sensor for sensing salinity or salinity when the distress signal transmitter is used for marine distress accidents. Since the first sensor 31 needs to detect moisture or salinity, the sensor terminal is exposed. For example, the sensor terminal of the first sensor 31 is exposed to the outside of the waterproof case.

In addition, referring to FIG. 2, in one example, the sensor unit 30 may further include an acceleration sensor 33. For example, the acceleration sensor 33 can sense the acceleration of the object by sensing the gravitational acceleration in the reference triaxial direction. Accordingly, it is possible to confirm or determine the distress from the detected acceleration value when the user having the distress position transmitter is detached from the ship or the seabed and falls into the water such as the sea, river, lake, and the like. In addition, it can be detected by the acceleration sensor 33 not only in case of falling into water, but also in case of a falling accident of the transmitter of the distress position transmitter on the ship.

In the memory unit 70,

The memory unit 70 stores and / or updates the position data calculated from the GPS signal according to the control. The location data may be stored together with the time information at the location. Updating and storing the position data can be performed on the latest position data. For example, in one example, existing position data other than the latest position data may also be stored in the memory section 70 within a set time or frequency range. The control unit 90 may read the positional data, for example, the latest positional data stored in the memory unit 70 during the generation of the distress signal, and include the data in the distress signal. For example, the memory unit 70 may store sensing data sensed by the sensor unit 30, for example, the first sensor 31 under the control of the controller 90. [ For example, the memory unit 70 may store the satellite information communicated by the satellite transmission unit 60 under the control of the control unit 90, and may transmit the satellite information from the control unit 90 to the memory unit 70 to read the satellite information stored in the storage unit 70 and perform satellite communication more easily.

Further, in one example, the memory unit 70 may further store the registration information registered in addition to the location data. For example, the set registration information stored in the memory unit 70 may include a distress location transmitter ID and / or a user ID. For example, in the case where the unique ID of the distress position transmitter is included in the registration information, the distress position transmitter may be registered in the ship manager or a related organization in the case of departure or boarding, for example, so that the user can be identified through matching with the owner It is possible. For example, when the registration information includes a user ID (user ID) other than the unique ID of the distress location transmitter, if the storage device of the memory unit 70 is detachable by releasing the memory cover of the distress location transmitter, To the PC or the like, or the RF communication unit 50 of the distress location transmitter may set and update the registration information including the user ID and the like in the memory unit 70 through RF reception. For example, when setting registration and updating of registration information are performed through RF communication with the RF communication unit 50 of the distress position transmitter, the registration may be performed through a specific application installed in a mobile terminal or the like.

For example, when the registration information is stored in the memory unit 70 in addition to the position data, the control unit 90 can generate the distress signal including the position data and the registration information when the distress signal is generated.

In addition, in one example, when storing the latest position data as well as the latest position data in the memory unit 70, for example, the control unit 90 calculates the path through the position data, and the calculated path information is also stored in the memory unit 70 ). ≪ / RTI > At this time, the movement route can be updated in accordance with the update of the position data. For example, the movement path may be stored together with the time information.

The RF communication unit 50,

The RF communication unit 50 transmits the distress signal through the RF communication according to the control. The RF communication unit 50 includes an RF communication module for RF transmission. For example, the RF communication module may be an RFID module for low power communication, or may be another local communication module such as a Bluetooth module. In the case of the active type of the RFID module, the transmission distance can be up to about 100 m or more. The Bluetooth module can also transmit up to 100m outdoors. For example, in one example, the RF communication module may be an active RFID module.

For example, referring to FIGS. 2 to 3, in one example, the RF communication unit 50 can receive an external signal by RF communication. That is, the RF communication unit 50 includes an RF transmission part and an RF reception part, and can receive an external signal through the RF reception part. At this time, the external signal received through the RF receiving part may be a response signal to the distress signal transmitted through the RF communication part 50, for example, the RF transmission part, or an external distress signal.

For example, referring to FIG. 3, the RF communication unit 50 may include an RF transmission unit for transmitting a radio signal to the outside and an RF receiving unit for receiving a radio signal from the outside. For example, the RF transmission part may be in the order of an RF transmission module 51, a power amplifier 52, a low pass filter (LPF) 53, and an RF transmission antenna 54. The RF transmission module 51 receives the distress signal from the control unit 90, processes the signal, and outputs the distress signal. The power amplifier 52 receives the distress signal processed by the RF transmitter and amplifies the signal. The LPF 53 removes a high-frequency signal, for example, a spurious component contained in the signal amplified by the power amplifier 52. Next, the RF receiving part may be composed of an RF receiving antenna 58, a band pass filter (BPF) 57, a low noise amplifier 56, and an RF receiving module 55 in this order. When the RF signal is received by the RF receiving antenna 58, the RF signal is filtered by a band pass filter (BPF) 57, amplified by a low noise amplifier 56, and processed by an RF receiving module 55. The configuration of the RF communication unit 50 of FIG. 3 is an example, and the configuration of the RF communication unit 50 is not limited thereto.

The GPS receiver 40,

The GPS receiving unit 40 receives and processes the GPS signal. The GPS receiving unit 40 processes the GPS signal received via the GPS antenna 46. [ For example, the GPS receiving unit 40 can process the received GPS signal by mounting the GPS module 41. [ At this time, the control unit 90 calculates position coordinate data from the signal-processed GPS signal or receives position coordinate data calculated by the GPS module, and stores or updates the position coordinate data in the memory unit 70. When the GPS receiver 40 receives a satellite signal at intervals of several seconds, typically 1 to 2 seconds, power consumption is high, so that the controller 90 controls the wakeup time interval of the GPS receiver 40 according to the setting mode, The power consumption of the position transmitter can be reduced.

3, the GPS receiver 40 may be implemented in the order of a GPS antenna 46, a bandpass filter 43, a low noise amplifier 42, and a GPS module 41. In FIG. 3, it is shown that the GPS antenna 46 is also used as the satellite transmission antenna 46. At this time, a switch 44 may be provided between the band-pass filter 43 and the dual-purpose antenna 46 for satellite transmission function and switching, and a low-pass filter (LPF) 46 may be provided between the switch 44 and the dual- ) 45 may be further provided. The signal received through the combined antenna 46 is filtered by the band-pass filter 43 by switching through the LPF 45. [ For example, at this time, the band-pass filter 43 may be a SAW filter having excellent filtering performance. The GPS signal filtered by the band-pass filter 43 is amplified by the low-noise amplifier 42 and signal-processed by the GPS module 41.

Satellite transmitter (60)

The satellite transmitting unit 60 transmits the distress signal to the satellite communication according to the control. When a distress signal is transmitted only by RF communication, for example, when the RF transmission in the RF communication unit 50 has a limited transmission distance, it is difficult to request a smooth distress call. Accordingly, in the embodiment of the present invention, the satellite transmitter 60 is provided to transmit a distress signal by satellite communication, thereby making it possible to perform a more distressful rescue request. At this time, transmission of the distress signal through the satellite transmission unit 60 can be performed according to the setting interval in terms of power consumption and cost. The controller 90 controls the wake-up operation interval of the satellite transmitter 60 according to the setting mode and can reduce power consumption.

3, the satellite transmission unit 60 may include a satellite transmission module 61, a power amplifier 62, a low-pass filter 45, and a satellite antenna 46. In FIG. 3, 46 are used in common with the GPS antenna 46. As shown in Fig. For example, when the antenna 46 is commonly used, the switch 44 may be provided between the power amplifier 62 and the low-pass filter 45. The satellite distress signal generated by the control unit 90 and processed by the satellite transmission module 61 is amplified by the power amplifier 62 and filtered by the switching low-pass filter 45 and transmitted through the antenna 46.

3, the GPS receiving unit 40 and the satellite transmitting unit 60 share the antenna 46, so that the control unit 90 controls each wake-up time interval and at the same time controls the switch 44 and receives GPS signals And satellite transmission of the distress signal.

Sound wave transmitter (80)

For example, referring to Figs. 2 to 3, in one example, the distress position transmitter may further include a sound wave transmitter 80. [ A sound wave transmitter generates a distressed sound wave signal and outputs it to the underwater. For example, the sound wave transmitter may be controlled so as to always operate in the SOS mode at set time intervals or not to operate at all times. For example, in order to minimize power consumption, the sound wave transmitter can be controlled to be operated upon power saving mode switching. At this time, the control unit 90 can operate the sound wave transmitting unit 80 at a set interval in the power saving mode to transmit the distressed sound wave signal to the receiver.

The sound wave transmitter 80 is provided to transmit the sound wave signal for the distress structure so that even if the owner of the distress location transmitter is submerged in water, the sound wave signal can be easily received by a fish finder or a sonar device, .

The control unit 90,

Next, the control unit 90 will be described in detail. The controller 90 controls the respective components according to the standby mode, the SOS mode, and the power saving mode. The SOS mode and the power saving mode of the controller 90 will be sequentially checked, and the floating state mode added according to the embodiment will be also described. At this time, reference can be made to Figs. 4 to 7 showing a schematic flow of the operation method of the distress position transmitter.

First, the operation of the standby mode by the control unit 90 or the control operation in the standby mode will be described. The control unit 90 maintains the standby mode at the time of power on and wakes up the GPS receiving unit 40 at the set waiting interval. Standby mode is the state in which the power is on and SOS automatic and / or manual setting is not made. At this time, the control unit 90 stores or updates the position data in the memory unit 70 according to the reception of the GPS signal of the wakeup GPS receiving unit 40. Updating and storing the position data is for the latest position data. For example, the control unit 90 may store the position data in the memory unit 70 within the set time and / or the number of times, as well as update and store the latest position data. The control unit 90 may store and / or update the position data together with time information according to position at the time of storing and / or updating the position data. For example, the control unit 90 may read a plurality of positional data stored in the memory unit 70, calculate the route, and store the calculated travel route information in the memory unit 70.

For example, according to the embodiment, in the standby mode, the control unit 90 can control the RF communication unit 50 and the satellite transmission unit 60 to be kept in the off state, or activate the reception part of the RF communication unit 50, And the satellite transmitter 60 can be kept in the off state. Also, the control unit 90 may control the sensor unit 30 to perform the wake-up operation or the normal operation at the set interval in the standby mode according to the embodiment.

For example, when the receiving part of the RF communication unit 50 is activated in the standby mode, an external signal can be received by RF communication. At this time, the received external signal may be a distress reception signal which is a distress signal from the outside. For example, at this time, the control unit 90 may perform wireless routing with respect to the distress reception signal received from the outside. That is, the control unit 90 broadcasts the received distress signal via the RF communication unit 50 and controls the wireless routing function to be performed. For example, even if the above-described wireless routing can be performed by the control unit 90, the wireless routing function can be suppressed in the SOS mode and the floating state mode, which is not the standby mode.

Next, the operation of the SOS mode by the control unit 90 or the control operation in the SOS mode will be described. The control unit 90 receives the SOS input from the input unit 20 or switches to the SOS mode when the sensor unit 30 detects a distress due to the detection signal. That is, the switch to the SOS mode is performed in accordance with the SOS setting input of the input unit 20 or when the switch is automatically switched by the sensor detection. First, a case of SOS input in the input unit 20 will be described. The control unit 90 determines that the SOS mode is set when the SOS setting is input according to the depression of the SOS button, for example, from the input unit 20 and controls the SOS mode. 4 and 5, in one example, the switching to the SOS mode by the SOS input at the input unit 20 is divided into switching in the power-on state and switching in the power-off state . In the power on state, for example, a signal is first transmitted to the control unit 90 by pressing the SOS button for the first time, and the control unit 90 switches the standby mode in the power on state to the SOS mode. Referring to FIG. 5, in the switching from the power off mode to the SOS mode, the controller 90 controls the trigger operation by the SOS input at the input unit 20 in the power off mode To switch to SOS mode. For example, a pressure sensor may be provided under the SOS button to generate a current signal from the pressure sensor in response to the depression of the SOS button in the power-off state, thereby operating the trigger circuit, for example, to wake up the control unit 90. The control unit 90 woken up by the triggering operation may switch to the SOS mode and control the power supply to the GPS receiving unit 40, the RF communication unit 50, the satellite transmitting unit 60, and so on to perform the wakeup operation. For example, a trigger operation by pressing the SOS button in the power off mode can be performed in accordance with the pressing of the SOS button longer than the set time.

Next, the case where the sensor is automatically switched to the SOS mode will be described. Upon receiving the detection result from the sensor unit 30 in the standby mode, the controller 90 determines the detection result and automatically switches to the SOS mode if it is determined to be a distress result. At this time, the controller 90 may determine that the distress is occurred when the sensed result value is greater than or equal to a predetermined value. For example, when the first sensor 31 senses the moisture, it may be possible to collect the sensed amount, the sensed duration, or both, so as to prevent the sensation of rain due to rain or waves, It can be judged as a missing state). For example, the controller 90 may determine that the first sensor 31 is in a drowning state (immersed state) when a detection result of a set value of 3 seconds or more is received or maintained, but the present invention is not limited thereto. When the first sensor 31 senses the salinity or the salinity concentration, it can determine whether or not the detected amount, the duration of the detection, or both are integrated into the sea.

For example, in one example, the control unit 90 determines whether or not the detection result of the first sensor 31, the detection result of the acceleration sensor 33, or the detection result of the first sensor 31 and the acceleration sensor 33 Is greater than or equal to the set range value, it can be determined that it is a distress and can be switched to the SOS mode. In the case of sensing by the acceleration sensor 33, for example, when the sensed result value is greater than or equal to a preset value, it is judged whether the ship falls on a seaside or the like or a distress situation such as a fall in a structure such as a ship .

In one example, the control unit 90 may turn off the operation of the acceleration sensor 33 until the SOS mode is released according to the SOS release input at the input unit 20 after the switch to the SOS mode. Since the detection result of the acceleration sensor 33 is not required after the SOS mode is switched, it is necessary to turn off the operation of the acceleration sensor 33 to reduce the power consumption. At this time, if the SOS mode is erroneously changed, the SOS mode can be canceled and the operation-off control of the acceleration sensor 33 can be released. For example, the SOS mode can be released by the SOS release input at the input 20. The SOS release input may be accomplished by, for example, depressing the SOS button longer than the set time or by pressing several consecutive times within the set time.

Next, the operation of the SOS mode will be described. In the SOS mode, the control unit 90 generates a distress signal including the position data, and can transmit the distress signal to the outside through the RF communication unit 50 and the satellite transmission unit 60. When the distress signal including the position data is generated by the control unit 90, the distress signal can be generated by reading the latest position data stored in the memory unit 70 when generating the distress signal immediately after switching the SOS mode, or In one example, depending on the SOS mode switching, the GPS receiving unit 40 may be woken up to acquire the latest position data from the signal received from the GPS receiving unit 40 to generate a distress signal. At this time, the control unit 90 may generate the distress signal by including the initial distress time information together with the position data in the distress signal. That is, when the update information of the position data is included in the distress signal, the first distress time information may be included in the distress signal. At this time, the initial distress time information may be time at the time of generating the first distress signal or time information at the position of the position data included in the first distress signal. For example, in one example, the control unit 90 may generate a distress signal further including registration information or registration information and distress time information in addition to the position data. At this time, the registration information is stored in the memory unit 70. For example, the registration information may include user identification information and / or distress location sender self identification information.

The control unit 90 controls the RF communication unit 50 at the first RF transmission interval and the satellite transmission unit 60 at the first satellite transmission interval longer than the first RF transmission interval, Respectively, so that the distress signal can be transmitted. Since the satellite transmission is disadvantageous in terms of power consumption and cost, the satellite transmission interval can be made longer than the RF transmission interval through the RF communication unit 50. For example, the RF transmission period may be 30 seconds apart and the satellite transmission period may be 5 minutes apart, but is not limited thereto.

For example, in one example, the distress signal transmission interval control of the control unit 90 in the SOS mode can be divided into two or more stages. For example, the SOS initial mode and the SOS continuous mode can be divided into two stages. The SOS initial mode is a mode performed when the control unit 90 receives the initial SOS input from the input unit 20 or when the first distress is determined based on the sensing signal of the sensor unit 30 during the standby mode. At this time, the first SOS input and the first distress determination are first within the range until the SOS mode is released or switched to another mode. When the first time of the SOS has been set for a set time, and the set time has elapsed without switching to another mode or releasing the SOS mode, the system can be switched to the SOS continuous mode. For example, when the set time of the SOS initial mode has elapsed, the control unit 90 sets the RF communication unit 50 to the fourth RF transmission interval longer than the first RF transmission interval and the satellite transmission unit 60 to the long- 4 satellite transmission interval and send the distress signal. For example, the control unit 90 may switch the SOS first mode to the SOS continuous mode after a lapse of a set time, for example, three hours. At this time, the set time of the SOS first mode may be set in advance or may be changed by setting input. At this time, the setting change input may proceed in the same or similar process as the registration information setting process in the memory unit 70. [ It is possible to extend the use time of the distress position transmitter by switching to the SOS continuous mode after the set time by dividing into the SOS initial mode and the SOS continuous mode. For example, in the SOS initial mode, the controller 90 sets the RF transmission period to 30 seconds, the satellite transmission period to 5 minutes, the RF transmission period to 5 minutes after the transition to the SOS continuous mode, But the present invention is not limited thereto.

In addition, in the SOS mode, the control unit 90 wakes up the GPS receiving unit 40 at the SOS mode interval shorter than the standby interval, and the wake-up GPS receiving unit 40 And stores and / or updates the position data calculated from the received GPS signal in the memory unit 70. [ For example, the control unit 90 may wake up the GPS receiver 40 at the same time as switching the SOS mode, and change the operation period to the SOS mode interval. Alternatively, the operation cycle can be changed from the return cycle after the SOS mode is switched.

In addition, in one example, when an external signal is received by the RF communication unit 50 through RF communication, for example, when an external signal is received as a response signal to the distress signal transmitted through the RF communication unit 50 in the SOS mode , The control unit 90 may generate an additional distress signal. At this time, the additional distress signal is a distress signal stored in the memory unit 70 and including additional information not included in the first or previous distress signal. At this time, the additional information may include at least a part of registration information registered in the memory unit 70, movement information after distress, distress time information, and distress determination information. The post-distress movement information is information that the control unit 90 has calculated, stored, or updated from the position data stored in the memory unit 70.

Next, the operation of the control unit 90 in the power saving mode or the control operation in the power saving mode will be described. The control unit 90 switches the SOS mode to the power saving mode when the immersion determination state continues according to the signal of the first sensor 31 in the SOS mode and the GPS signal intensity below the predetermined level continues. At this time, in the power saving mode, the control unit 90 turns off the operations of the RF communication unit 50 and the satellite transmission unit 60. That is, the power saving mode is performed when the owner of the distress location transmitter sinks into the water. When a victim falls into the water, he or she can read the consciousness and sink, and later die, and it is necessary to streamline or reduce power consumption for underwater structures or for later corpses. In other words, since RF communication and satellite communication are not performed in the water, and GPS reception is also difficult, it is necessary to improve the power consumption and prepare for future situations.

The control unit 90 switches the power saving mode to SOS mode when the immersion determination state according to the signal sensed by the first sensor 31 continues for a set time or longer and the intensity of the GPS reception signal is less than or equal to the setting duration It is possible to switch to the power saving mode. For example, the control unit 90 may switch from the SOS mode to the power saving mode if the submersion status according to the determination result of the first sensor 31 is less than the setting range of the GPS reception intensity for more than 5 minutes, Do not.

In addition, in the power save mode, the controller 90 can wake up the first sensor 31 and the GPS receiver 40 in a power saving mode interval longer than the SOS mode interval. For example, the controller 90 may control the operation of the first sensor 31 and the GPS receiver 40 in a 5-minute cycle in the power saving mode, but is not limited thereto.

In this case, in one example, the controller 90 may operate the sound wave transmitter 80 at a set interval to transmit the distressed sound wave signal to the receiver. For example, the control unit 90 can transmit the sound wave signal of 4.8 kHz three times by operating the sound wave transmitting unit 80 in five-minute intervals, but is not limited thereto.

Subsequently, referring to the operations shown in Figs. 6 and / or 7, a control operation in the floating state mode or the floating state mode by the control unit 90 will be described. In one example, the control unit 90 switches to the floating state mode when the GPS signal strength of the GPS receiving unit 40 waked up in the power saving mode is higher than the set value. The floating state mode refers to a state in which a holder of a distress position transmitter sitting in the water floats after a predetermined time, for example, after death. In the floating state mode, the controller 90 can turn off the sensor unit 30 and wake up the GPS receiver 40 at the set floating mode interval. In the floating state mode, the operation of the sensor unit 30 is turned off in order to cope with a situation such as a body collision and the power consumption is reduced, and the wakeup operation cycle of the GPS receiver 40 is set to be longer than the SOS mode interval in the SOS mode, May be greater than the power saving mode interval in mode or the standby mode interval in standby mode.

In the floating state mode, the controller 90 controls the RF communication unit 50 to transmit a second RF transmission interval longer than the first RF transmission interval and to transmit the satellite transmission unit 60 a second satellite transmission interval Respectively, and transmit a distress signal. For example, the control unit 90 may control the RF transmission period at intervals of five minutes and the satellite transmission period at intervals of one hour, but is not limited thereto.

In this case, referring to the operation shown in FIG. 7, in another example, the controller 90 may divide the floating state mode into the first floating mode and the second floating mode. Two or more distinctions are possible. The control unit 90 can set the first floating mode when switching from the power saving mode to the floating state mode. That is, in the first floating mode, the transmission period is determined in the same manner as the transmission of the distress signal according to the second RF transmission interval and the second satellite transmission interval in the floating state mode described above. At this time, according to the setting, the transmission period of the distress signal is determined according to the period of the first floating mode, that is, the second RF transmission interval and the second satellite transmission interval. For example, the control unit 90 may set the first floating mode for three hours after the switching of the floating state mode, perform the RF transmission at the frequency of five minutes for the distress signal, and perform the satellite transmission at the one-hour cycle. The GPS reception period in the first floating mode is dependent on the floating state mode described above.

When the first floating mode has passed the set time, the controller 90 sets or switches to the second floating mode and wakes up the GPS receiver 40 at the second floating mode interval that is longer than the floating mode interval. The control unit 90 also operates the RF communication unit 50 at a third RF transmission interval longer than the second RF transmission interval and the satellite transmission unit 60 at a third satellite transmission interval longer than the second satellite transmission interval, Signal can be transmitted. For example, the control unit 90 may transmit the distress signal through satellite transmission at a period of 3 hours through RF transmission at a 30-minute period, but is not limited thereto.

For example, in addition to the first floating mode and the second floating mode, if the floating mode is further classified, the second floating mode may be set to the third floating mode if the second floating mode is maintained for 6 hours, for example. In the third floating mode, the distress signal transmission period can be set longer than the second floating mode.

Cases and other

For example, referring to FIG. 8, a distress location transmitter according to one example has a case 5, wherein the waterproof case can be maintained by the case 5 of the distress location transmitter. At this time, the sensor terminal is exposed on the case of the first sensor 31 to detect moisture or salt concentration. For example, even when the distress position transmitter includes the charging terminal in the power supply unit 10, the charging terminal is exposed on the case and can perform charging.

Although not shown, in another example, the distress position transmitter may have a buoyancy case (not shown). At this time, the buoyancy case may be a separate case from the case 5 or the case 5 itself. The buoyancy case allows the distress position transmitter to fall into the water without falling into the water when the distress position transmitter is dropped from the submerged person due to an inadvertent impact or the like, or when the distress position transmitter is detached to the storage space of the life belt. For example, the buoyancy case may be a self-contained case of the distress location transmitter or a separate case that covers the distress location transmitter product to float to the surface when flooded. If the buoyancy case is its own case, an air pocket or the like may be provided inside to maintain buoyancy. Accordingly, as the transmitter of the distress location sinks below the water surface, it is possible to solve the problem that wireless transmission using GPS can not be performed or location tracking becomes difficult due to drifting by sea current below the water surface.

Further, for example, the distress position transmitter may be housed in a storage space of the lifejackets. At this time, a string having a predetermined length may be provided to connect the storage space of the lifejacket and the distress location transmitter. When the distress position transmitter is provided with a buoyancy case, the transmitter in the buoyancy case or the buoyancy case itself and the accommodation space can be connected by a line. Alternatively, the distress position transmitter or the buoyancy case covering the buoyancy position may be connected to the body part of the user, not the lifeboat, or to the wearer's clothing, wearer, or the like. In this way, when the user falls into the water by using the line connecting the distress position transmitter or the buoyancy case covering the user, it is possible to easily keep track of the distress position by allowing the user to stay around the user when leaving the user can do.

Referring to FIG. 8, in one example, the distress position transmitter may further include an LED display unit 25 for displaying an operation state. The LED display unit 25 may indicate the operating state of the transmitter, for example, the SOS mode, or may represent at least some of the standby mode or power-on state, RF communication state, satellite communication state, etc. in addition to the SOS mode.

[Operation method of distress position transmitter]

Next, a method of operating the distress position transmitter according to another embodiment of the present invention will be described with reference to the drawings. In this case, since the operation method of the distress position transmitter is related to the operation of the distress position transmitter according to the above-described aspect of the present invention, the embodiments of the distress position transmitter described above and FIGS. Note that redundant descriptions may be omitted.

FIG. 4 is a flow chart schematically illustrating an operation method of a distress position transmitter according to another embodiment of the present invention, FIG. 5 is a flowchart schematically illustrating a method of operating a distress position transmitter according to another embodiment of the present invention, FIG. 6 is a flowchart schematically illustrating an operation method of a distress position transmitter according to another embodiment of the present invention. FIG. 7 schematically shows an operation method of a distress position transmitter according to another embodiment of the present invention. Fig.

First, a distress location transmitter that performs an operation method according to one example of the present invention will be briefly described. 1 to 3 can be referred to. The distress location transmitter that performs an operation method according to one example includes an input unit 20 that receives power and SOS settings, a sensor unit 30 that includes a first sensor 31 that detects moisture or salinity, A GPS receiver 40 for receiving and processing GPS signals, and a satellite transmitter 60 for transmitting a distress signal through satellite communication. Of course, the power supply unit 10 is also included.

4 to 7, the operation method of the distress position transmitter according to one example may include a waiting step S100, an SOS step S300, S300 'and a power saving step S500, S500' have. 6 to 7, the operation method of the distress position transmitter according to one example may further include a float state step (S700, S700 '). We examine each step sequentially.

Standby phase

In the waiting step S100, the distress position transmitter is kept in the standby mode at power on. At this time, the operation of the GPS receiving unit 40 wakes up every set waiting interval, and the GPS receiving unit 40 receives the GPS signal. The position data is stored and / or updated in accordance with the received GPS signal. In addition, the distress position transmitter makes a determination as to whether or not the distress position is disturbed according to the detection signal of the sensor unit 30. [ A more detailed description in this step will be made with reference to a description of the standby mode control of the distress position transmitter according to the above-described embodiments of the present invention.

SOS step

Referring to FIGS. 4 to 7, in the SOS steps S300 and S300 ', when the SOS is input in the input unit 20 or when the distress determination is determined in the waiting step S100, the SOS mode is maintained and maintained S310). The entry to the SOS step S300, that is, the transition to the SOS mode, can be accomplished in two ways. One is a method of inputting an SOS setting in the input unit 20, and the other is a case in which it is determined that a distress is caused by performing a distress determination in a waiting step S100. A more detailed explanation of the entry into the SOS step S300 and the operation in the SOS step S300 will be described with reference to the description of the SOS mode control of the distress position transmitter according to the above-described embodiment of the present invention.

5, the switch to the SOS mode by the SOS input of the input unit 20 at the SOS step S300 'is triggered by the SOS input at the input unit 20 in the power off mode, The position transmitter may be performed in step S313 or may be performed in accordance with the SOS input in the input unit 20 in the standby step S100 in step S312.

5, the switch to the SOS mode according to the distress judgment in the SOS step S300 'may be performed by adding the sensor result to the sensor unit 30 as a result of the detection of the first sensor 31 in the waiting step S100 The detection result of the first acceleration sensor 33 or the detection result of the first sensor 31 and the acceleration sensor 33 is equal to or greater than the set range value.

4 to 7, in the SOS step (S300, S300 '), the distress position transmitter generates a distress signal including position data (S330). The RF communication unit 50 is operated at a first RF transmission interval and the satellite transmission unit 60 is operated at a first satellite transmission interval longer than the first RF transmission interval and a distress signal is transmitted at step S330. Although not shown, in one example, the SOS step S300 may include an SOS initial step and an SOS persistent step. In the initial stage of the SOS, the distress position transmitter generates the distress signal including the position data. The RF communication unit 50 transmits the first RF transmission interval and the satellite transmission unit 60 transmits the distances 1 satellite transmission interval and a distress signal transmission is performed. In the SOS sustain phase, the distress position transmitter generates a distress signal including position data, and the RF communication unit 50 transmits a fourth RF transmission interval that is longer than the set first RF transmission interval and the satellite transmission unit 60 transmits the first satellite transmission The fourth satellite transmission interval longer than the interval and transmission of the distress signal can be performed. A more detailed description will be made with reference to the description of the generation and transmission of the distress signal in the SOS mode of the distress position transmitter according to the embodiment of the present invention described above.

4 to 7, in the SOS steps (S300 and S300 '), the GPS receiving unit 40 wakes up in the SOS mode interval shorter than the standby interval and receives the GPS signal, And / or updated (S350).

Power saving step

4 to 7, in the power saving step (S500, S500 '), when the immersion determination state and the GPS signal intensity lower than the setting are sustained according to the signal of the first sensor 31 in the SOS steps (S300, S300'), The distress position transmitter is switched to the power saving mode and maintained (S510). A more detailed description will be made with reference to the description of the transition from the distress position transmitter to the power saving mode and the operation in the power saving mode according to the embodiment of the present invention described above.

At this time, the operations of the RF communication unit 50 and the satellite transmission unit 60 are turned off, and the first sensor 31 and the GPS receiving unit 40 perform a wakeup operation at a power saving mode interval longer than the SOS mode interval (S530) .

In addition, referring to FIG. 5, in one power saving step S500 ', the distress location transmitter may generate a distressed sound wave signal at a set interval and send it to the hand (S550).

Injury status phase

Next, referring to FIGS. 6 and 7, a method of operating the distress position transmitter according to one example may further include a floating state step (S700, S700 '). Hereinafter, a more detailed description will be made with reference to the description of the transition from the distress position transmitter to the floating state mode and the operation in the floating state mode according to the embodiment of the present invention described below.

Referring to FIG. 6, in the float state step S700, when the GPS signal strength of the GPS receiving unit 40 waked up in the power saving step S500 is equal to or greater than the set value, the distress position transmitter is switched to the floating state mode and is maintained (S701 ). In the floating state step S700, the sensor unit 30 is turned off, and the GPS receiving unit 40 is woken up at the set floating mode interval. Further, in the floating state step S700, the RF communication unit 50 transmits the first RF transmission interval at a second RF transmission interval longer than the first RF transmission interval and the satellite transmission unit 60 at a second satellite transmission interval longer than the first satellite transmission interval And the distress signal transmission can be performed (S710).

7, in another example, the floating state step S700 'may include a first floating mode step S710 and a second floating mode step S730. In the first floating mode step S710, the GPS receiving unit 40 is woken up at the floating mode intervals. In addition, in the first floating mode step S710, the distress signal is transmitted according to the second RF transmission interval and the second satellite transmission interval. Next, in the second floating mode step S730, the first floating mode step S710 is switched and maintained after the set time has elapsed. In the second floating mode step S730, the GPS receiving unit 40 is woken up at the second floating mode interval which is longer than the floating mode interval. Further, in the second floating mode step S730, the RF communication unit 50 transmits the third RF transmission interval longer than the second RF transmission interval and the satellite transmission unit 60 transmits the third satellite transmission interval Respectively, and distress signal transmission can be performed.

The foregoing embodiments and accompanying drawings are not intended to limit the scope of the present invention but to illustrate the present invention in order to facilitate understanding of the present invention by those skilled in the art. Embodiments in accordance with various combinations of the above-described configurations can also be implemented by those skilled in the art from the foregoing detailed description. Accordingly, various embodiments of the present invention may be embodied in various forms without departing from the essential characteristics thereof, and the scope of the present invention should be construed in accordance with the invention as set forth in the appended claims. Alternatives, and equivalents by those skilled in the art.

10: power supply unit 20: input unit
30: sensor part 31: first sensor
40: GPS receiver 41: GPS module
42, 56: low-noise amplifier 43, 57: band-pass filter
44: switch 45, 53: low-pass filter
46: antenna 50: RF communication unit
51: RF transmission module 52, 62: power amplifier
54: RF transmitting antenna 55: RF receiving module
58: RF receiving antenna 60: Satellite transmission unit
61: satellite transmission module 70: memory unit
80: sound wave transmitter 90:

Claims (14)

A sensor section including a power source section, an input section for receiving power and an SOS setting, a first sensor for sensing water or saline concentration, an RF communication section for transmitting a distress signal through RF communication, a GPS receiving section for receiving and processing a GPS signal, A disturbance position transmitter including a memory unit for storing position data calculated from the disturbance position transmitter,
Further comprising a satellite transmitter for transmitting the distress signal to satellite communication,
Wherein,
The GPS receiver is kept in a standby mode at power on and wakes up the GPS receiver every predetermined waiting interval to store or update the position data in the memory unit according to the GPS signal reception,
Wherein the control unit is configured to switch to an SOS mode when a SOS input at the input unit or a distress signal is detected according to a sensing signal of the sensor unit during the standby mode to generate the distress signal including the position data, Operating the GPS receiver at an RF transmission interval and at a first satellite transmission interval that is longer than the first RF transmission interval and waking up the GPS receiver at an SOS mode interval shorter than the standby interval, Or < / RTI >
When the flood determination state and the GPS signal intensity lower than the set GPS signal intensity are maintained, the operation of the RF communication unit and the satellite transmission unit is turned off and the SOS mode interval Wherein the first sensor and the GPS receiver are woken up in a long power saving mode interval.
In claim 1,
Wherein the distress position transmitter further comprises a sound wave transmitter for generating and outputting a distressed sound wave signal,
Wherein the control unit operates the sound wave transmitting unit at a set interval in the power saving mode to send the distressed sound wave signal to the hand.
In claim 1,
Wherein the control unit switches to a floating state mode when the GPS signal strength of the GPS receiving unit woken up in the power saving mode is equal to or greater than a predetermined value,
The GPS receiver is woken up at a set floating mode interval in the floating state mode and the RF communication unit is operated at a second RF transmission interval longer than the first RF transmission interval so that the distress signal is transmitted And operating the satellite transmitter at a second satellite transmission interval that is longer than the first satellite transmission interval.
In claim 3,
Wherein,
Setting the transmission period of the distress signal according to the second RF transmission interval and the second satellite transmission interval in the floating state mode to a first floating mode,
When the first floating mode is switched to the second floating mode when the set time has elapsed and the GPS receiving unit is woken up at a second floating mode interval that is longer than the floating mode interval and the RF communication unit A third RF transmission interval longer than the second RF transmission interval and a third satellite transmission interval longer than the second satellite transmission interval, respectively.
The method according to any one of claims 1 to 4,
Wherein the control unit wakes up and switches to the SOS mode by a trigger operation by the SOS input at the input unit in a power off mode.
The method according to any one of claims 1 to 4,
The sensor unit may further include an acceleration sensor,
Wherein,
Wherein the controller is configured to switch to the SOS mode when the detection result of the first sensor, the detection result of the acceleration sensor, or the detection result of the first sensor and the acceleration sensor is equal to or greater than the set range value,
And the operation of the acceleration sensor is turned off until the SOS mode is released according to the SOS release input in the input unit after the switch to the SOS mode.
The method according to any one of claims 1 to 4,
The memory unit further stores registration information registered in addition to the location data,
Wherein the controller generates the distress signal further including the registration information or the registration information and the distress time information in addition to the position data.
The method according to any one of claims 1 to 4,
The RF communication unit receives an external signal through RF communication,
Wherein the external signal is a response signal to the distress signal transmitted through the RF communication unit or an external distress signal,
Wherein the control unit generates and transmits an additional distress signal including additional information that is stored in the memory unit and is not included in the distress signal when the external signal is the response signal and transmits the distress signal when the external signal is the distress signal Broadcasts a received signal through the RF communication unit, controls the wireless routing function to be performed,
Wherein the additional information includes at least a part of set registration information, post-distress movement information, distress time information, and distress determination information.
The method according to any one of claims 1 to 4,
Wherein the RF communication unit includes an active RFID module.
An input unit for receiving power and an SOS setting, a sensor unit having a first sensor for detecting water or salinity, an RF communication unit for transmitting a distress signal through RF communication, a GPS receiver for receiving and processing the GPS signal, A method of operating a distress location transmitter including a satellite transmitter for transmission over a communication,
The GPS receiver is maintained in a standby mode at the time of power on and the operation of the GPS receiver is woken up at the set waiting interval and the position data is stored or updated according to the received GPS signal, A standby stage to be performed;
Wherein the disturbance signal including the position data is generated and the RF communication unit is switched to the first RF transmission interval set in the SOS mode when the SOS is input at the input unit or at the standby stage, And the satellite transmitter is operated at a first satellite transmission interval that is longer than the first RF transmission interval and the distress signal is transmitted and the GPS receiver is woken up in an SOS mode interval shorter than the standby interval, Or an SOS step to be updated; And
In the SOS step, when the immersion determination state and the GPS signal intensity lower than the set GPS signal intensity continue according to the signal of the first sensor, the power saving mode is maintained and the operations of the RF communication unit and the satellite transmission unit are turned off, Wherein the first sensor and the GPS receiver are wake-up in a power-saving mode interval longer than the interval.
In claim 10,
Wherein the distress location transmitter generates the distressed sound signal at a set interval and sends the distressed sound signal to the receiver in the power saving step.
In claim 10,
The operation method is characterized in that, when the GPS signal strength of the GPS receiving unit woken up in the power saving step is equal to or greater than a predetermined value, the portable terminal is switched to the floating state mode and is maintained, and the sensor unit is turned off, Wherein the RF communication unit is operated at a second RF transmission interval longer than the first RF transmission interval and the satellite transmission unit is operated at a second satellite transmission interval longer than the first satellite transmission interval and the transmission of the distress signal is performed Further comprising a float state step. ≪ Desc / Clms Page number 17 >
In claim 12,
Wherein said floating state step comprises:
A first floating mode step in which the GPS receiving unit is woken up at the floating mode interval and the distress signal is transmitted according to the second RF transmission interval and the second satellite transmission interval;
The GPS receiver is woken up at a second floating mode interval that is longer than the floating mode interval and the RF communication unit is switched to the third RF mode, which is longer than the second RF transmission interval, And a second floating mode operation in which the satellite transmitter operates at a third transmission interval that is longer than the second satellite transmission interval and transmission of the distress signal is performed. Way.
The method according to any one of claims 10 to 13,
The switching to the SOS mode by the SOS input of the input unit in the SOS step may be performed by triggering the SOS input at the input unit in the power off mode so that the distress position transmitter is woken up, Is performed in accordance with the SOS input at the input section,
The switching to the SOS mode according to the distress determination in the SOS step may include switching the sensing mode to the SOS mode based on sensing results of the first sensor, And when the detection result is equal to or greater than the set range value, the disturbance is performed.

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