CN214376863U

CN214376863U - Call for help alarm system

Info

Publication number: CN214376863U
Application number: CN202120499753.7U
Authority: CN
Inventors: 王尤山; 黄辉; 邹润正; 陈荣开
Original assignee: Nanjing Xiaode Intelligent Technology Co ltd
Current assignee: Nanjing Xiaode Intelligent Technology Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-10-08
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses a distress alarm system, which comprises a fixed host, a bed head button and a wearing button; the fixed host comprises a host shell, a sound pick-up, a host alarm key, a loudspeaker, a main controller, a host Bluetooth communication module and a WiFi communication module; the bedside button comprises a button shell and a bedside alarm button; the wearing button comprises a wearing shell, a wearing alarm key, a wearing controller, a wearing Bluetooth communication module and a wearing bandage. This alarm system calls for help utilizes the host computer alarm button 3 that sets up on the fixed host computer to realize that the host computer triggers to call for help, utilizes the head of a bed alarm button that sets up on the head of a bed button to realize that the head of a bed triggers to call for help, utilizes wearing the alarm button that sets up on wearing the button to realize triggering with oneself and calling for help to for the old man provides multiple mode of calling for help, and button trigger control is simple, the old man of being convenient for uses.

Description

Call for help alarm system

Technical Field

The utility model relates to an alarm system, especially a distress alarm system.

Background

The safety problem of the elderly living alone and in need of bed rest is always a difficult problem to be solved urgently. The modern distress call equipment is often high in manufacturing cost, high in operation complexity and low in acceptance of old people, so that the modern distress call equipment is difficult to popularize and use.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the distress call alarm system can realize distress call alarm through simple key operation and is convenient for old people to use.

The technical scheme is as follows: the utility model discloses a distress alarm system, which comprises a fixed host, a bedside button and a wearing button; the fixed host comprises a host shell, a sound pick-up, a host alarm key, a loudspeaker, a main controller, a host Bluetooth communication module and a WiFi communication module; the bedside button comprises a button shell and a bedside alarm button; the wearing button comprises a wearing shell, a wearing alarm key, a wearing controller, a wearing Bluetooth communication module and a wearing bandage;

the host alarm key is arranged in the middle of the front side surface of the host shell; the main controller, the host Bluetooth communication module, the WiFi communication module, the sound pickup and the loudspeaker are all arranged in the host shell, and sound transmission holes are formed in the front side face of the host shell at the installation positions of the sound pickup and the loudspeaker; the bed head alarm key is arranged in the middle of the button shell; the main controller is respectively and electrically connected with the pickup, the host alarm key, the loudspeaker, the host Bluetooth communication module and the WiFi communication module, and is also electrically connected with the bedside alarm key through a spiral cable; the wearing alarm key is arranged in the middle of the front side surface of the wearing shell, and the wearing controller and the wearing Bluetooth communication module are arranged inside the wearing shell; the wearing bandage is fixedly connected to the edge of the wearing shell through the side seat; the wearing controller is respectively electrically connected with the wearing alarm key and the wearing Bluetooth communication module; and the Bluetooth communication module is worn to be paired with the host Bluetooth communication module for communication.

Further, an NFC card reader is fixedly installed on the front side face of the host shell; a 4G communication module is arranged in the host shell; the main controller is electrically connected with the NFC card reader and the 4G communication module respectively.

Further, a 4G communication indicator lamp and a WiFi communication indicator lamp are fixedly mounted on the front side face of the main machine shell; the main controller is respectively connected with the 4G communication indicator lamp and the WiFi communication indicator lamp electrically.

Furthermore, a T-shaped sliding groove extends upwards from the lower edge of the rear side surface of the main machine shell; a T-shaped sliding strip is slidably mounted on the T-shaped sliding groove, the rear side face of the T-shaped sliding strip protrudes out of the T-shaped sliding groove, and a side ear plate is arranged at each of four top corners of the protruded rear side face; and the four side ear plates are provided with a mounting hole.

Furthermore, a through groove extending to the upper edge of the rear side surface of the main machine shell is formed in the upper end of the T-shaped sliding groove; a vertical jack is vertically arranged on the upper end surface of the T-shaped sliding strip, an unlocking rod is inserted into the vertical jack, and the upper end of the unlocking rod extends into the through groove; a rectangular hole is transversely arranged in the middle of the unlocking rod, and the wall of the front side hole and the wall of the rear side hole of the rectangular hole are respectively provided with a guide sliding chute in an inclined manner; a lock rod hole is transversely arranged on the side edge of the T-shaped sliding strip and transversely penetrates through the rectangular hole; a locking rod is inserted in the locking rod hole, and a guide convex column which is embedded into the corresponding side guide sliding groove in a sliding manner is arranged on the front side surface and the rear side surface of the middle part of the locking rod; a locking hole corresponding to the end part of the locking rod is arranged on the groove edge of the T-shaped sliding groove; and a supporting spring elastically supported on the lower end face of the unlocking rod is arranged in the vertical jack and used for pushing the unlocking rod to move upwards, and the guide sliding groove pushes the guide convex column to enable the end part of the locking rod to be inserted into the locking hole.

Furthermore, a protective T-shaped groove is arranged on the front side surface of the wearing shell, and the wearing alarm key is arranged on the bottom surface of the protective T-shaped groove; a protection plate is slidably mounted on the protection T-shaped groove, and the left side edge and the right side edge of the protection plate are respectively provided with a connecting block; all install a resilience extension spring in the left and right side groove limit in protection T-slot, and the tip of two resilience extension springs is fixed respectively on two connecting blocks for the pulling guard plate closing cap is to wearing warning button top.

Furthermore, a raised line is arranged on the upper edge of the protection plate, and the raised line protrudes out of the protection T-shaped groove.

Furthermore, a rope threading hole is longitudinally arranged on the side seat, and two ends of the wearing bandage are fixed on the upper side surface of the side seat; a bolt hole vertically communicated with the rope threading hole is vertically arranged on the upper side surface of the side seat; a locking bolt is inserted in the bolt hole; the middle rotating end of the wearing bandage penetrates through the rope threading hole, and the locking bolt penetrates through the middle rotating end of the wearing bandage.

Further, a bolt locking hole communicated with the bolt hole is formed in the front side face of the side seat; an inner side positioning hole is formed in the front side surface of the locking bolt, and a positioning spring is fixedly installed in the inner side positioning hole; a bolt positioning block is arranged at the orifice of the inner side positioning hole; an inner side depression is arranged on the rear side surface of the bolt positioning block; the end part of the positioning spring is fixedly arranged in the inner side recess and is used for pushing the bolt positioning block to be partially inserted into the bolt locking hole.

Furthermore, an anti-skid convex ring is arranged on the edge of the upper end of the locking bolt.

Compared with the prior art, the utility model, its beneficial effect is: the host machine can be triggered to call for help by the aid of the host machine alarm key 3 arranged on the fixed host machine, the bed head alarm key arranged on the bed head button can be used for triggering to call for help at the bed head, and the wearing alarm key arranged on the wearing button can be used for triggering to call for help at will, so that multiple help calling modes are provided for the old, and the key type trigger control is simple and convenient for the old to use; the wearing Bluetooth communication module is used for being in pairing communication with the host Bluetooth communication module, so that wireless communication between the fixed host and the wearing button can be realized; the wearing band can be conveniently bound on the arms or clothes of the old, so that the old can wear the clothes on the body; the spiral cable can be used for realizing wired connection and has certain tensile property.

Drawings

FIG. 1 is a schematic view of the connection structure between the stationary main body and the bed head button of the present invention;

fig. 2 is a rear view schematic structural diagram of the main frame casing of the present invention;

FIG. 3 is a schematic cross-sectional view of the T-shaped slide bar of the present invention;

FIG. 4 is a front view of the button of the present invention;

FIG. 5 is a schematic view of a cross-sectional view of a portion of the dead bolt of the present invention;

fig. 6 is a schematic diagram of the circuit structure of the present invention.

Detailed Description

The technical solution of the present invention will be described in detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.

Example 1:

as shown in fig. 1-6, the utility model discloses a distress alarm system includes: the bed head comprises a fixed host, a bed head button and a wearing button; the fixed host comprises a host shell 1, a sound pick-up 2, a host alarm key 3, a loudspeaker 4, a main controller, a host Bluetooth communication module and a WiFi communication module; the bedside button comprises a button shell 9 and a bedside alarm button 10; the wearing button comprises a wearing shell 26, a wearing alarm key 36, a wearing controller, a wearing Bluetooth communication module and a wearing bandage 27;

the host alarm key 3 is arranged in the middle of the front side surface of the host shell 1; the main controller, the host Bluetooth communication module, the WiFi communication module, the sound pickup 2 and the loudspeaker 4 are all arranged in the host shell 1, and sound-transmitting holes are formed in the front side surface of the host shell 1 at the installation positions of the sound pickup 2 and the loudspeaker 4; the bed head alarm key 10 is arranged in the middle of the button shell 9; the main controller is respectively and electrically connected with the sound pick-up 2, the host alarm key 3, the loudspeaker 4, the host Bluetooth communication module and the WiFi communication module, and is also electrically connected with the bedside alarm key 10 through a spiral cable 8; the wearing alarm key 36 is arranged in the middle of the front side surface of the wearing shell 26, and the wearing controller and the wearing Bluetooth communication module are arranged in the wearing shell 26; the wearing strap 27 is fixedly connected to the edge of the wearing shell 26 through the side seat 28; the wearing controller is respectively electrically connected with the wearing alarm key 36 and the wearing Bluetooth communication module; and the Bluetooth communication module is worn to be paired with the host Bluetooth communication module for communication.

The host machine alarm key 3 arranged on the fixed host machine can be used for realizing the host machine triggering distress call, the bedside alarm key 10 arranged on the bedside button can be used for realizing the bedside triggering distress call, and the wearing alarm key 36 arranged on the wearing button can be used for realizing the portable triggering distress call, so that a plurality of distress calling modes are provided for the old, and the key type triggering control is simple and convenient for the old to use; the wearing Bluetooth communication module is used for being in pairing communication with the host Bluetooth communication module, so that wireless communication between the fixed host and the wearing button can be realized; the wearing band 27 can be conveniently bound on the arms or clothes of the old, so that the old can wear the clothes on the person; the spiral cable 8 can be used to realize wired connection and has a certain tensile property.

Further, an NFC card reader 5 is fixedly mounted on the front side surface of the host housing 1; a 4G communication module is arranged in the main machine shell 1; the host controller is electrically connected with the NFC card reader 5 and the 4G communication module respectively. The NFC card reader 5 can be used for conveniently supervising the door service personnel; network communication can be performed in the absence of wireless routing by using the 4G communication module.

Further, a 4G communication indicator lamp 6 and a WiFi communication indicator lamp 7 are fixedly mounted on the front side of the main housing 1; the main controller is respectively and electrically connected with the 4G communication indicator lamp 6 and the WiFi communication indicator lamp 7. The indication of the 4G communication status and the WiFi communication status can be facilitated by the 4G communication indicator lamp 6 and the WiFi communication indicator lamp 7.

Further, a T-shaped chute 11 extends upward from the lower edge of the rear side of the main machine housing 1; a T-shaped sliding strip 13 is slidably mounted on the T-shaped sliding groove 11, the rear side surface of the T-shaped sliding strip 13 protrudes out of the T-shaped sliding groove 11, and a side ear plate 15 is arranged at each of four top corners of the protruded rear side surface; the four side ear plates 15 are provided with a mounting hole 16. The T-shaped sliding strip 13 can be conveniently installed and fixed by utilizing the installation holes 16 on the four side ear plates 15.

Further, a through groove 12 extending to the upper edge of the rear side of the main machine housing 1 is provided at the upper end of the T-shaped chute 11; a vertical insertion hole 24 is vertically arranged on the upper end surface of the T-shaped sliding strip 13, an unlocking rod 14 is inserted into the vertical insertion hole 24, and the upper end of the unlocking rod 14 extends into the through groove 12; a rectangular hole 21 is transversely arranged in the middle of the unlocking rod 14, and the front side hole wall and the rear side hole wall of the rectangular hole 21 are respectively provided with a guide sliding groove 22 in an inclined manner; a lock rod hole 20 is transversely arranged on the side edge of the T-shaped slide bar 13 and transversely penetrates through the rectangular hole 21; a locking rod 17 is inserted in the locking rod hole 20, and a guide convex column 19 which is embedded into a corresponding side guide sliding groove 22 in a sliding manner is arranged on the front side surface and the rear side surface of the middle part of the locking rod 17; a locking hole 18 corresponding to the end of the locking rod 17 is arranged on the groove edge of the T-shaped sliding groove 11; a supporting spring 25 elastically supported on the lower end surface of the unlocking lever 14 is installed in the vertical insertion hole 24 to push the unlocking lever 14 to move upward, and the guide sliding groove 22 pushes the guide boss 19 so that the end of the locking lever 17 is inserted into the locking hole 18. The insertion locking of the T-shaped sliding strip 13 can be realized by the matching of the unlocking rod 14, the locking rod 17, the guide convex column 19, the guide sliding groove 22 and the locking hole 18; the support spring 25 can elastically support the unlocking lever 14, and the locking state of the locking lever 17 is preserved; when the upper end of the unlocking lever 14 is pressed, the guide groove 22 pushes the guide boss 19, so that the locking lever 17 is unlocked.

Further, a protective T-shaped groove 34 is arranged on the front side surface of the wearing shell 26, and a wearing alarm button 36 is arranged on the groove bottom surface of the protective T-shaped groove 34; a protection plate 35 is slidably mounted on the protection T-shaped groove 34, and a connecting block 37 is arranged on each of the left side and the right side of the protection plate 35; and a rebound tension spring 38 is respectively arranged in the left and right groove edges of the protection T-shaped groove 34, and the end parts of the two rebound tension springs 38 are respectively fixed on the two connecting blocks 37 and used for pulling the protection plate 35 to cover the upper part of the wearing alarm key 36. The protection plate 35 is used for covering the wearing alarm key 36, so that the wearing alarm key 36 is prevented from being triggered by mistake in the wearing process; the protection plate 35 can be pulled to cover the wearing alarm button 36 in time by the rebound tension spring 38.

Further, a convex strip 39 is provided on the upper edge of the protection plate 35, and the convex strip 39 protrudes out of the protection T-shaped groove 34. The finger pushing of the guard plate 35 can be facilitated by the convex strip 39, thereby achieving one-handed operation.

Further, a threading hole 33 is longitudinally arranged on the side seat 28, and two ends of the wearing bandage 27 are fixed on the upper side surface of the side seat 28; a bolt hole vertically communicated with the rope threading hole 33 is vertically arranged on the upper side surface of the side seat 28; a locking bolt 29 is inserted in the bolt hole; the middle turning end of the wearing band 27 passes through the threading hole 33, and the locking latch 29 passes through the middle turning end of the wearing band 27. A locking bolt 29 penetrates through the middle rotary end of the wearing band 27, so that the wearing band 27 and the side seat 28 form a binding ring, and the wearing button is conveniently bound and worn on the arms or clothes of the old; the wearing band 27 is made of an elastic material.

Further, a latch locking hole 30 communicated with the latch hole is provided on the front side surface of the side frame 28; an inner positioning hole 41 is formed in the front side surface of the dead bolt 29, and a positioning spring 42 is fixedly mounted in the inner positioning hole 41; a bolt positioning block 31 is arranged at the orifice of the inner positioning hole 41; an inner side recess 40 is arranged on the rear side surface of the bolt positioning block 31; the end of the positioning spring 42 is fixedly installed in the inner recess 40 for pushing the latch positioning block 31 to be partially inserted into the latch locking hole 30. The bolt positioning block 31 can be pushed elastically by the positioning spring 42 to be partially inserted into the bolt locking hole 30, thereby locking immediately after the locking bolt 29 is inserted.

Further, an anti-slip bead 32 is provided on the upper end edge of the dead bolt 29. The locking bolt 29 can be easily inserted and removed by the anti-slip bead 32.

In the distress alarm system disclosed by the utility model, the main controller and the wearing controller both adopt the existing controller modules for realizing coordination control; the WiFi communication module adopts the existing WiFi module to realize the access of the Internet; the NFC card reader 5 adopts the existing reading module to realize information reading; the 4G communication module adopts the existing 4G module to realize 4G network communication; the 4G communication indicator lamp 6 and the WiFi communication indicator lamp 7 both adopt the existing LED indicator lamps and are used for indicating the 4G communication state and the WiFi communication state; the host Bluetooth communication module and the wearing Bluetooth communication module both adopt the existing Bluetooth modules and are used for realizing Bluetooth pairing communication; the main controller, the WiFi communication module, the sound pick-up 2 and the loudspeaker 4 jointly form a voice communication module, and the adopted voice communication program is an existing voice communication software program.

When the distress alarm system is installed and used, the T-shaped sliding strip 13 is vertically and fixedly installed on the wall of the bed head, the main machine shell 1 is inserted into the T-shaped sliding strip 13, the bed head button is pulled and placed at the position of the bed head, and then the wearing button is bound to the arm or clothes of the old through the wearing bandage 27; if the wireless route exists, the WiFi communication module is connected to the wireless route, and if the wireless route does not exist, a 4G telephone card is inserted into the 4G communication module and is connected with the Internet through a 4G network; the old man can call for help by voice through the following three ways:

(1) calling for help through a fixed host: by pressing the alarm key 3 of the host, the main controller sends a call request to the call center through the WiFi communication module or the 4G communication module, and after the request is allowed, voice help-calling communication is carried out through the sound pick-up 2 and the loudspeaker 4, and meanwhile, basic information and position information of the old are displayed on a display screen popup window of the call center; after the host alarm key 3 is pressed again, the call is ended.

(2) Calling for help through a bedside button: by pressing the bedside alarm key 10, the main controller sends a call request to the call center through the WiFi communication module or the 4G communication module, and after the request is allowed, voice help-calling communication is carried out through the sound pick-up 2 and the loudspeaker 4, and meanwhile, basic information and position information of the old are displayed on a display screen popup window of the call center; after the bed head alarm button 10 is pressed again, the call is ended.

(3) Calling for help by wearing a button: by pressing the wearing alarm key 36, the wearing controller sends distress information to the host Bluetooth communication module by wearing the Bluetooth communication module, then the main controller sends a call request to the call center by the WiFi communication module or the 4G communication module, and after the request is allowed, voice distress communication is carried out by the sound pickup 2 and the loudspeaker 4, and meanwhile, a display screen of the distress center pops up a window to display basic information and position information of the old; after the wear alarm button 36 is pressed again, the call is ended.

When the door-to-door service is provided, a service person swipes a work card at the NFC card reader 5, the sound pickup 2 is started by the main controller to record, the record is uploaded to a distress call center through the WiFi communication module or the 4G communication module, so that the service person is supervised, after the service is finished, the work card is swiped at the NFC card reader 5 again, and the record is finished.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A distress alarm system is characterized in that: comprises a fixed host, a bedside button and a wearing button; the fixed host comprises a host shell (1), a sound pick-up (2), a host alarm key (3), a loudspeaker (4), a main controller, a host Bluetooth communication module and a WiFi communication module; the bedside button comprises a button shell (9) and a bedside alarm button (10); the wearing button comprises a wearing shell (26), a wearing alarm key (36), a wearing controller, a wearing Bluetooth communication module and a wearing belt (27);

the host alarm key (3) is arranged in the middle of the front side surface of the host shell (1); the main controller, the host Bluetooth communication module, the WiFi communication module, the sound pickup (2) and the loudspeaker (4) are all arranged in the host shell (1), and sound transmission holes are formed in the front side surface of the host shell (1) at the installation positions of the sound pickup (2) and the loudspeaker (4); the bed head alarm key (10) is arranged in the middle of the button shell (9); the main controller is respectively and electrically connected with the sound pick-up (2), the host alarm key (3), the loudspeaker (4), the host Bluetooth communication module and the WiFi communication module, and is also electrically connected with the bedside alarm key (10) through a spiral cable (8); the wearing alarm key (36) is arranged in the middle of the front side surface of the wearing shell (26), and the wearing controller and the wearing Bluetooth communication module are arranged in the wearing shell (26); the wearing strap (27) is fixedly connected to the edge of the wearing shell (26) through a side seat (28); the wearing controller is respectively and electrically connected with the wearing alarm key (36) and the wearing Bluetooth communication module; and the Bluetooth communication module is worn to be paired with the host Bluetooth communication module for communication.

2. The distress alert system of claim 1, wherein: an NFC card reader (5) is fixedly arranged on the front side surface of the host machine shell (1); a 4G communication module is arranged in the main machine shell (1); the master controller is electrically connected with the NFC card reader (5) and the 4G communication module respectively.

3. The distress alert system of claim 2, wherein: a 4G communication indicator lamp (6) and a WiFi communication indicator lamp (7) are fixedly mounted on the front side surface of the main machine shell (1); the main controller is electrically connected with the 4G communication indicator lamp (6) and the WiFi communication indicator lamp (7) respectively.

4. The distress alert system of claim 1, wherein: a T-shaped sliding groove (11) extends upwards from the lower edge of the rear side surface of the main machine shell (1); a T-shaped sliding strip (13) is arranged on the T-shaped sliding groove (11) in a sliding mode, the rear side face of the T-shaped sliding strip (13) protrudes out of the T-shaped sliding groove (11), and a side ear plate (15) is arranged at each of four top corners of the protruding rear side face; the four side ear plates (15) are provided with a mounting hole (16).

5. The distress alert system of claim 4, wherein: a through groove (12) extending to the upper edge of the rear side surface of the main machine shell (1) is arranged at the upper end of the T-shaped sliding groove (11); a vertical insertion hole (24) is vertically formed in the upper end face of the T-shaped sliding strip (13), an unlocking rod (14) is inserted into the vertical insertion hole (24), and the upper end of the unlocking rod (14) extends into the through groove (12); a rectangular hole (21) is transversely arranged in the middle of the unlocking rod (14), and the wall of the front side hole and the wall of the rear side hole of the rectangular hole (21) are respectively provided with a guide sliding chute (22) in an inclined manner; a lock rod hole (20) is transversely arranged on the side edge of the T-shaped sliding strip (13), and the lock rod hole transversely penetrates through the rectangular hole (21); a locking rod (17) is inserted in the locking rod hole (20), and a guide convex column (19) which is embedded into the corresponding side guide sliding groove (22) in a sliding manner is arranged on the front side surface and the rear side surface of the middle part of the locking rod (17); a locking hole (18) corresponding to the end part of the locking rod (17) is arranged on the groove edge of the T-shaped sliding groove (11); a supporting spring (25) which is elastically supported on the lower end face of the unlocking rod (14) is installed in the vertical insertion hole (24) and used for pushing the unlocking rod (14) to move upwards, and the guide sliding groove (22) pushes the guide convex column (19) to enable the end portion of the locking rod (17) to be inserted into the locking hole (18).

6. The distress alert system of claim 1, wherein: a protective T-shaped groove (34) is arranged on the front side surface of the wearing shell (26), and a wearing alarm key (36) is arranged on the bottom surface of the protective T-shaped groove (34); a protection plate (35) is slidably mounted on the protection T-shaped groove (34), and the left side and the right side of the protection plate (35) are respectively provided with a connecting block (37); all install one and kick-back extension spring (38) in the left and right sides groove limit of protection T-slot (34), and the tip of two resilience extension springs (38) is fixed respectively on two connecting blocks (37) for pulling guard plate (35) closing cap to wearing warning button (36) top.

7. The distress alert system of claim 6, wherein: a convex strip (39) is arranged on the upper edge of the protection plate (35), and the convex strip (39) protrudes out of the protection T-shaped groove (34).

8. The distress alert system of claim 1, wherein: a rope threading hole (33) is longitudinally arranged on the side seat (28), and two ends of the wearing bandage (27) are fixed on the upper side surface of the side seat (28); a bolt hole vertically communicated with the rope threading hole (33) is vertically arranged on the upper side surface of the side seat (28); a locking bolt (29) is inserted in the bolt hole; the middle rotating end of the wearing bandage (27) penetrates through the rope threading hole (33), and the locking bolt (29) penetrates through the middle rotating end of the wearing bandage (27).

9. The distress alert system of claim 8, wherein: a bolt locking hole (30) communicated with the bolt hole is arranged on the front side surface of the side seat (28); an inner side positioning hole (41) is arranged on the front side surface of the locking bolt (29), and a positioning spring (42) is fixedly arranged in the inner side positioning hole (41); a bolt positioning block (31) is arranged at the orifice of the inner side positioning hole (41); an inner side recess (40) is arranged on the rear side surface of the bolt positioning block (31); the end part of the positioning spring (42) is fixedly arranged in the inner side recess (40) and is used for pushing the bolt positioning block (31) to be partially inserted into the bolt locking hole (30).

10. The distress alert system of claim 8, wherein: an anti-slip convex ring (32) is arranged on the edge of the upper end of the locking bolt (29).