CN114389635B - Underground wireless AP with protection rescue function - Google Patents
Underground wireless AP with protection rescue function Download PDFInfo
- Publication number
- CN114389635B CN114389635B CN202210078533.6A CN202210078533A CN114389635B CN 114389635 B CN114389635 B CN 114389635B CN 202210078533 A CN202210078533 A CN 202210078533A CN 114389635 B CN114389635 B CN 114389635B
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- fixed
- rescue
- wireless
- fixed shell
- fixedly connected
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- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000005286 illumination Methods 0.000 abstract description 16
- 230000009429 distress Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 230000005389 magnetism Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3883—Arrangements for mounting batteries or battery chargers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3888—Arrangements for carrying or protecting transceivers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Transmitters (AREA)
Abstract
The invention relates to the field of wireless AP (access point), and discloses an underground wireless AP with a protection and rescue function, which comprises a fixed shell, wherein a wireless AP terminal is arranged in the fixed shell, an enhanced antenna connected with the wireless AP terminal is arranged on the back surface of the fixed shell, a controller is arranged on the right side wall of the wireless AP terminal, and a fixed sleeve is arranged on the right side inside the fixed shell. This wireless AP in pit with protection rescue function has rescue alarm module in the controller, receive the certain intensity impact after when wireless AP terminal, rescue alarm module in the controller can send rescue distress signal voluntarily, remind rescue team to carry out emergency rescue, can remind the rescue personnel to rescue through sound information and illumination information, and the light that lighting module sent also can assist stranded person to save oneself for rescue work's going on is more convenient and effective, rechargeable battery can supply power for alarm module and lighting module, so that the removal and the use of whole device.
Description
Technical Field
The invention relates to the field of wireless APs, in particular to an underground wireless AP with a protection rescue function.
Background
The wireless AP is a wireless switch for a wireless network and is also a core of the wireless network, is an access point for a mobile computer user to enter a wired network, is mainly used in broadband families, buildings and parks, can cover tens of meters to hundreds of meters, and is a generic name containing a very wide range of devices such as simple wireless access points, wireless routers and the like.
When constructing in the pit, can all use wireless AP to carry out the exchange of network data generally, in long-time underground construction process, can appear various circumstances in the pit, if the accident appears in the pit, wireless AP also can receive the damage, leads to the network to receive the influence for rescue asking for help information can't be quick send out, influences the effective development of rescue work. Therefore, we have designed a downhole wireless AP with a rescue protection function.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an underground wireless AP with a protection and rescue function, which solves the problems that if an underground accident occurs, the wireless AP is damaged, and the network is affected, so that rescue help information cannot be quickly sent out, and the effective development of rescue work is affected.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The underground wireless AP with the protection rescue function comprises a fixed shell, wherein a wireless AP terminal is installed in the fixed shell, and an enhanced antenna connected with the wireless AP terminal is installed on the back surface of the fixed shell.
The controller is installed to the right side wall at wireless AP terminal, fixed cover is installed on the inside right side of fixed shell, external spring is installed to the outer wall of fixed cover, the one end that fixed cover was kept away from to external spring and the inner wall fixed connection of fixed shell, the internally mounted of fixed cover has the rescue subassembly.
The locating component is installed at the top rear side of fixed shell, the spacing subassembly of being connected with locating component is installed to the inside rear end of fixed cover.
Further, four rubber supporting legs are arranged at the bottom of the fixing shell, and the four rubber supporting legs are respectively arranged at four corners of the bottom of the fixing shell.
Further, the rescue assembly is composed of a fixing rod, an alarm module and an illumination module, the left end of the fixing rod is fixedly connected with the right end of the alarm module, and the illumination module is arranged at the left end of the alarm module.
Further, the switch assembly is installed to the bottom of dead lever, the internally mounted of dead lever has rechargeable battery.
Further, the rear end fixedly connected with first magnetism ring of fixed cover, the rear end fixedly connected with of dead lever is with the second magnetism ring that attracts mutually with first magnetism ring.
Further, the rear end fixedly connected with slot that charges of dead lever, spacing subassembly comprises locating plate and the couple of fixed cover's rear end fixed connection, the front of locating plate and the socket that charges of slot connection, the front end of couple and the back fixed connection of locating plate, the back fixedly connected with compression spring of locating plate, compression spring's rear end and the rear side inner wall fixed connection of fixed shell.
Further, the draw-in groove that corresponds with locating component is seted up to the top rear side of fixed casing, the mounting hole has been seted up to the diapire of draw-in groove, the inside sliding connection of mounting hole has the catch bar, the fixed hook of being connected with the couple is installed to the bottom of catch bar, the spread groove that corresponds with couple and fixed hook is seted up to the rear side inner wall of fixed casing, the top fixedly connected with push plate of catch bar.
Further, guide grooves are formed in the inner walls of the front side and the rear side of the mounting hole, guide plates fixedly connected with the pushing rods are connected to the guide grooves in a sliding mode, vertical springs are fixedly connected to the tops of the guide plates, and the tops of the vertical springs are fixedly connected with the inner top wall of the guide grooves.
Further, the switch assembly is composed of a first switch and a second switch, and the first switch and the second switch are respectively and electrically connected with the alarm module and the illumination module.
The beneficial effects of the invention are as follows:
1. according to the invention, the rescue alarm module is integrated in the controller, and when the wireless AP terminal is impacted by certain intensity, the rescue alarm module in the controller can automatically send a rescue distress signal to remind a rescue team to carry out emergency rescue.
2. According to the invention, after the rescue assembly is taken out, the first switch is turned on, the alarm module can be controlled to send out a sharp alarm prompt tone, the second switch is turned on, the illumination module can be controlled to send out strong light for illumination, rescue workers can be reminded to rescue through sound information and illumination information, and the light sent out by the illumination module can assist trapped people to save oneself, so that rescue work is more convenient and effective to carry out, and the rechargeable battery can supply power for the alarm module and the illumination module, so that the whole device can be moved and used.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a perspective view of the rescue assembly of the present invention;
FIG. 4 is an enlarged view of FIG. 1A in accordance with the present invention;
FIG. 5 is an enlarged view of B of FIG. 2 in accordance with the present invention;
fig. 6 is an enlarged view of C of fig. 2 in accordance with the present invention.
In the figure: 1. a fixed case; 2. a wireless AP terminal; 3. an enhanced antenna; 4. a controller; 5. a fixed sleeve; 6. an external spring; 7. a rescue assembly; 8. a positioning assembly; 9. a limit component; 10. rubber support legs; 11. a fixed rod; 12. an alarm module; 13. a lighting module; 14. a switch assembly; 15. a rechargeable battery; 16. a second magnetic ring; 17. a first magnetic ring; 18. a charging slot; 19. a positioning plate; 20. A charging socket; 21. a hook; 22. a compression spring; 23. a clamping groove; 24. a mounting hole; 25. a push rod; 26. a guide groove; 27. a guide plate; 28. a vertical spring; 29. a fixed hook; 30. a connecting groove; 31. A pushing plate; 32. a first switch; 33. and a second switch.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6: the utility model provides a wireless AP in pit with protection rescue function, including fixed casing 1, four rubber supporting legs 10 are installed to the bottom of fixed casing 1, and four rubber supporting legs 10 install the four corners at fixed casing 1 bottom respectively, four rubber supporting legs 10 cooperate fixed casing 1 can make whole device more stable and safe, the internally mounted of fixed casing 1 has wireless AP terminal 2, the back-mounted of fixed casing 1 has the reinforcing antenna 3 of being connected with wireless AP terminal 2, wireless AP terminal 2 application technology belongs to the common technique in wireless AP field, regard as the well-known technique, no longer carry out the description here, can be used for setting up wireless network, can strengthen wireless network signal after reinforcing antenna 3 expands, make network signal's transmission and receipt more stable.
The controller 4 is installed to the right side wall at wireless AP terminal 2, fixed cover 5 is installed on the inside right side of fixed shell 1, outside spring 6 is installed to the outer wall of fixed cover 5, the one end that fixed cover 5 was kept away from to outside spring 6 and the inner wall fixed connection of fixed shell 1, the internally mounted of fixed cover 5 has rescue subassembly 7, the integration has rescue alarm module in the controller 4, after wireless AP terminal 2 receives certain intensity impact, rescue alarm module in the controller 4 can send rescue distress signal voluntarily, remind the rescue team to carry out emergency rescue, and fixed cover 5 comprises the cover of aerifing, can wrap up in the outside of rescue subassembly 7, cooperation outside spring 6 can protect rescue subassembly 7, make during the accident, rescue subassembly 7 in the fixed cover 5 is safer, after taking out rescue subassembly 7, can save oneself or guide rescue work, make the device can effectually provide emergency rescue work, and then can remind the quick, effectively develop of rescue work, can effectually protect life safety of property.
The locating component 8 is installed to the top rear side of fixed shell 1, and spacing subassembly 9 that is connected with locating component 8 is installed to the inside rear end of fixed cover 5, and the position of rescue subassembly 7 can be fixed through spacing subassembly 9 of locating component 8 cooperation, also makes rescue subassembly 7 take out more convenient to quick SOS.
In another embodiment, the rescue assembly 7 is composed of a fixing rod 11, an alarm module 12 and an illumination module 13, the left end of the fixing rod 11 is fixedly connected with the right end of the alarm module 12, the illumination module 13 is installed at the left end of the alarm module 12, a switch assembly 14 is installed at the bottom of the fixing rod 11, a rechargeable battery 15 is installed in the fixing rod 11, the switch assembly 14 is composed of a first switch 32 and a second switch 33, the first switch 32 and the second switch 33 are respectively electrically connected with the alarm module 12 and the illumination module 13, after the rescue assembly 7 is taken out, the first switch 32 is started, the alarm module 12 can be controlled to emit a sharp alarm prompt tone, the second switch 33 is started to control the illumination module 13 to emit strong light for illumination, rescue workers can be reminded of the rescue through sound information and illumination information, the light emitted by the illumination module 13 can assist the trapped workers to save oneself, the rescue workers can be more conveniently and effectively powered by the rechargeable battery 15, and the whole device can be conveniently moved and used.
In another embodiment, the rear end of the fixing sleeve 5 is fixedly connected with the first magnetic ring 17, the rear end of the fixing rod 11 is fixedly connected with the second magnetic ring 16 attracted to the first magnetic ring 17, the rear end of the fixing rod 11 is fixedly connected with the charging slot 18, the limiting component 9 is composed of a positioning plate 19 fixedly connected with the rear end of the fixing sleeve 5 and a hook 21, the front surface of the positioning plate 19 is connected with the charging slot 18, the front end of the hook 21 is fixedly connected with the back surface of the positioning plate 19, the back surface of the positioning plate 19 is fixedly connected with a compression spring 22, the rear end of the compression spring 22 is fixedly connected with the rear side inner wall of the fixing shell 1, when the state of fig. 1-2 is adopted, the positioning plate 19 is positioned at the rearmost, the compression spring 22 is compressed, at this moment, the charging slot 20 is inserted into the charging slot 18, the rechargeable battery 15 can be charged, when the rescue component 7 is installed for a long time, the rear end of the fixing rod 11 is inserted into the fixing sleeve 5, the lighting module 13, the lighting module 12 and the fixing rod 11 are inserted into the charging slot 18, the first magnetic ring 16 is pressed into the second magnetic ring 16, and the warning module 12 is more stable, and the warning module 12 is positioned in the position of the first magnetic ring 16 and the second magnetic ring 12 is more stable.
In another embodiment, the back side of the top of the fixed shell 1 is provided with a clamping groove 23 corresponding to the positioning component 8, the bottom wall of the clamping groove 23 is provided with a mounting hole 24, the inside of the mounting hole 24 is connected with a pushing rod 25 in a sliding way, the bottom of the pushing rod 25 is provided with a fixed hook 29 connected with the hook 21, the inner wall of the back side of the fixed shell 1 is provided with a connecting groove 30 corresponding to the hook 21 and the fixed hook 29, the top of the pushing rod 25 is fixedly connected with a pushing plate 31, the inner walls of the front side and the back side of the mounting hole 24 are provided with guide grooves 26, the inside of the guide grooves 26 is connected with a guide plate 27 fixedly connected with the pushing rod 25 in a sliding way, the top of the guide plate 27 is fixedly connected with a vertical spring 28, the top of the vertical spring 28 is fixedly connected with the inner top wall of the guide groove 26, when the lighting module 13, the alarm module 12 and the fixed rod 11 are pressed backwards, the back end of the hook 21 pushes the inclined surface of the fixed hook 29 to press, the fixed hook 29 slides downwards, the push rod 25 and the push plate 31 are pulled downwards by the downwards sliding fixed hook 29 in the process, at the moment, the vertical spring 28 is stretched, when the hook 21 and the fixed hook 29 relatively move to the connecting position, the hook 21 and the fixed hook 29 are buckled together, the push rod 25 and the push plate 31 are pulled upwards by the stretched vertical spring 28, in the process, the guide plate 27 slides in the guide groove 26, the smooth movement of the push rod 25 and the push plate 31 can be ensured, the positioning and the installation of the lighting module 13, the alarm module 12 and the fixed rod 11 are completed, when the lighting module 13, the alarm module 12 and the fixed rod 11 are taken out, only the push plate 31 is needed to be pressed downwards, in the process, the fixed hook 29 is separated from the hook 21, the compression spring 22 in the compression state is reset, the lighting module 13, the alarm module 12 and the fixed rod 11 are pushed forwards, the front end of the lighting module 13 extends out of the fixed shell 1, and the lighting module 13, the alarm module 12 and the fixed rod 11 can be taken out for use.
In summary, when the wireless AP terminal is impacted by certain intensity, the rescue alarm module in the controller 4 can automatically send a rescue distress signal to remind a rescue team to carry out emergency rescue, then the pushing plate 31 is pressed down, the fixing hook 29 is separated from the hook 21 in the process, the compression spring 22 in a compressed state is reset to push the lighting module 13, the alarm module 12 and the fixing rod 11 to move forwards, and the front end of the lighting module 13 extends out of the fixing shell 1, so that the lighting module 13, the alarm module 12 and the fixing rod 11 can be taken out for use.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The utility model provides a wireless AP in pit with protection rescue function, includes fixed casing (1), its characterized in that: a wireless AP terminal (2) is arranged in the fixed shell (1), and an enhanced antenna (3) connected with the wireless AP terminal (2) is arranged on the back surface of the fixed shell (1);
The wireless AP terminal comprises a wireless AP terminal body, a controller (4) is arranged on the right side wall of the wireless AP terminal body (2), a fixed sleeve (5) is arranged on the right side inside a fixed shell (1), an external spring (6) is arranged on the outer wall of the fixed sleeve (5), one end, far away from the fixed sleeve (5), of the external spring (6) is fixedly connected with the inner wall of the fixed shell (1), and a rescue assembly (7) is arranged inside the fixed sleeve (5);
a positioning assembly (8) is arranged at the rear side of the top of the fixed shell (1), and a limiting assembly (9) connected with the positioning assembly (8) is arranged at the rear end of the inside of the fixed sleeve (5);
The rescue assembly (7) consists of a fixed rod (11), an alarm module (12) and a lighting module (13), wherein the left end of the fixed rod (11) is fixedly connected with the right end of the alarm module (12), and the lighting module (13) is arranged at the left end of the alarm module (12);
the utility model discloses a fixed cover, including fixed cover (5) and fixed shell (1), fixed cover (5)'s rear end fixedly connected with first magnetic ring (17), fixed rod (11)'s rear end fixedly connected with and first magnetic ring (17) attract second magnetic ring (16), fixed rod (11)'s rear end fixedly connected with charging slot (18), spacing subassembly (9) by with fixed cover (5)'s rear end fixedly connected locating plate (19) and couple (21) constitute, fixed plate (19) openly with charging socket (20) that charging slot (18) are connected, the front end of couple (21) and fixed plate (19) back fixed connection, fixed plate (19) back fixed connection has compression spring (22), fixed shell (1)'s rear end and fixed shell's rear side inner wall fixed connection, fixed shell's (1) top rear side has seted up draw-in groove (23) that correspond with locating component (8), mounting hole (24) have been seted up to the diapire (24) of draw-in groove (23), mounting hole (24) promotes inside connection pole (25) and fixed shell (21) and fixed hook (29) are connected with the back fixed shell (29), the top fixedly connected with push rod (25) promotes board (31), guiding gutter (26) have all been seted up to both sides inner wall around mounting hole (24), inside sliding connection of guiding gutter (26) have with push rod (25) fixed connection's deflector (27), the top fixedly connected with vertical spring (28) of deflector (27), the top of vertical spring (28) and the interior roof fixed connection of guiding gutter (26).
2. A downhole wireless AP with rescue function according to claim 1, wherein: four rubber supporting legs (10) are arranged at the bottom of the fixed shell (1), and the four rubber supporting legs (10) are respectively arranged at four corners of the bottom of the fixed shell (1).
3. A downhole wireless AP with rescue protection according to claim 1, wherein: the bottom of dead lever (11) is installed switch module (14), the internally mounted of dead lever (11) has rechargeable battery (15).
4. A downhole wireless AP with rescue function according to claim 3, wherein: the switch assembly (14) is composed of a first switch (32) and a second switch (33), and the first switch (32) and the second switch (33) are respectively electrically connected with the alarm module (12) and the lighting module (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210078533.6A CN114389635B (en) | 2022-01-24 | 2022-01-24 | Underground wireless AP with protection rescue function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210078533.6A CN114389635B (en) | 2022-01-24 | 2022-01-24 | Underground wireless AP with protection rescue function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114389635A CN114389635A (en) | 2022-04-22 |
| CN114389635B true CN114389635B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210078533.6A Active CN114389635B (en) | 2022-01-24 | 2022-01-24 | Underground wireless AP with protection rescue function |
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| Country | Link |
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| CN (1) | CN114389635B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3169221U (en) * | 2011-05-10 | 2011-07-21 | 品翰 余 | Rescue flashlight |
| WO2013037095A1 (en) * | 2011-09-13 | 2013-03-21 | 上海无线电设备研究所 | Maritime emergency position indicating system |
| CN106979469A (en) * | 2016-12-12 | 2017-07-25 | 广东探金电子科技有限公司 | A kind of anti-wolf flashlight of intelligence |
| CN211297451U (en) * | 2019-09-17 | 2020-08-18 | 方瑜 | Communication-in-motion vehicle-mounted repeater for emergency rescue |
-
2022
- 2022-01-24 CN CN202210078533.6A patent/CN114389635B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3169221U (en) * | 2011-05-10 | 2011-07-21 | 品翰 余 | Rescue flashlight |
| WO2013037095A1 (en) * | 2011-09-13 | 2013-03-21 | 上海无线电设备研究所 | Maritime emergency position indicating system |
| CN106979469A (en) * | 2016-12-12 | 2017-07-25 | 广东探金电子科技有限公司 | A kind of anti-wolf flashlight of intelligence |
| CN211297451U (en) * | 2019-09-17 | 2020-08-18 | 方瑜 | Communication-in-motion vehicle-mounted repeater for emergency rescue |
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| Publication number | Publication date |
|---|---|
| CN114389635A (en) | 2022-04-22 |
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