CN113044188A - Remote control life buoy - Google Patents
Remote control life buoy Download PDFInfo
- Publication number
- CN113044188A CN113044188A CN201911390080.5A CN201911390080A CN113044188A CN 113044188 A CN113044188 A CN 113044188A CN 201911390080 A CN201911390080 A CN 201911390080A CN 113044188 A CN113044188 A CN 113044188A
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- China
- Prior art keywords
- life buoy
- buoy body
- lifebuoy
- water
- remote
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/082—Annular or U-shaped life-buoys intended to be thrown to persons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/13—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like attachable to body member, e.g. arm, neck, head or waist
- B63C9/135—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like attachable to body member, e.g. arm, neck, head or waist using solid buoyant material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/20—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like characterised by signalling means, e.g. lights
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
- B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H2011/004—Marine propulsion by water jets using the eductor or injector pump principle, e.g. jets with by-pass fluid paths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H2011/008—Arrangements of two or more jet units
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transmitters (AREA)
Abstract
The invention relates to the technical field of life-saving equipment, and discloses a remote control life buoy which comprises a U-shaped life buoy body and a remote controller for controlling the life buoy body, wherein the life buoy body comprises a battery for supplying power to the life buoy body, a wireless receiving device and two power devices symmetrically arranged on the left side and the right side of the life buoy body, the power devices are used for receiving signals transmitted by the remote controller through the wireless receiving device and propelling the remote control life buoy to move according to the signals, the battery and the wireless receiving device are both arranged at the front part of the life buoy body, the top surface of the front part of the life buoy body is in an elliptic arc shape, and the bottom surface of the front part of. The remote control life buoy has the characteristics of small advancing resistance, capability of realizing quick life saving and the like.
Description
Technical Field
The invention relates to the technical field of lifesaving equipment, in particular to a remote control life buoy.
Background
The life buoy is water life-saving equipment, is generally made of cork, foamed plastic or other light materials with smaller specific gravity, and is essentially different from a common life buoy for people: the life buoy can always float on the water surface even if damaged, and plays a role in life saving. In order to overcome the defect that the traditional life buoy has no power function and cannot carry out long-distance lifesaving, an intelligent remote control type life buoy is released at present, a wireless receiving device and a propeller are installed in the life buoy body, a remote controller in the hands of rescue workers controls the propeller to move through the wireless receiving device, so that the movement of the life buoy is controlled, and the life buoy can realize long-distance rescue activities. However, when the intelligent life buoy operates in a turbulent or wavy water area, the intelligent life buoy is easily influenced by the water area environment and generates large forward resistance, so that the operation direction is lost, the life-saving activity of the life buoy in a severe water area environment is blocked, and the rescue cannot be smoothly and quickly implemented.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a remote control life buoy which has small advancing resistance and can realize quick life saving and long-distance rescue.
Based on this, the technical scheme adopted by the invention is as follows:
the utility model provides a remote control life buoy, includes the remote controller of the life buoy body of U type and control the life buoy body, the life buoy body is including the battery that is used for life buoy body power supply, wireless receiving device and the symmetry locate two power device on the left and right sides of life buoy body, and power device is used for receiving the signal of remote controller through wireless receiving device transmission and impels the remote control life buoy motion according to the signal, battery and wireless receiving device all locate life buoy body front portion, the anterior top surface of life buoy body is the ellipse circular arc, and the bottom surface is equipped with the inclined plane structure.
In the scheme, in the rescue process, rescue workers put the U-shaped life buoy body on the water surface, control a remote controller to transmit a control signal to a power device through a wireless receiving device, the power device pushes the life buoy body to move to the side of the water-borne person in distress according to the received control signal, and after the water-borne person in distress is sleeved with the remote control life buoy, the rescue workers also control the life buoy body to move to a safety zone through the remote controller to complete rescue; the waterproof sleeve is arranged on the outer surface of the remote controller, and when the waterproof grade of the remote controller is higher, personnel on the ship with a water area which is difficult to fall can control the remote control lifebuoy to save oneself through the waterproof remote controller; the life buoy body is provided with the power device, rescue personnel do not need to swim to the side of the people who are difficult to rescue on water, so that the rescue personnel are prevented from being far away from the people who are difficult to rescue on water or drowning danger is brought to the rescue personnel because the people who are difficult to rescue on water are in a severe water area environment, the advancing speed of the remote control life buoy is far greater than the swimming speed of the rescue personnel, and quick rescue and long-distance rescue can be realized; if the life buoy body is of a circular structure, the whole power device can only be arranged in a bending mode, the structure of the power device which can be arranged in a bending mode is limited, and the moving speed of the life buoy body is influenced by the bending arrangement of the power device, so that the life buoy body is convenient to arrange due to the fact that the U-shaped structure is adopted, and the moving speed of the life buoy body is not influenced; the top surface and the bottom surface of the traditional remote control life buoy are usually arc-shaped, and because all points on the arc are uniformly stressed, the original travelling direction is easy to lose when the life buoy meets natural environments such as wind and the like or severe water environments, and the rescue difficulty is increased greatly, the top surface of the front part of the life buoy body is in an elliptic arc shape, the bottom surface is provided with an inclined surface structure, the elliptic arc shape can enhance the directivity of the life buoy body in severe weather environments such as strong wind and the like, and the advancing air resistance is reduced, and the inclined surface structure can greatly reduce the influence of severe water environments such as large waves and the like on the bottom surface of the remote control life buoy floating in a water area, reduce the advancing water resistance, and improve the advancing.
Preferably, the inclination angle beta of the inclined plane structure is 20-50 degrees. If the inclination angle beta of the inclined plane structure is too small, the life buoy body is easily influenced by the water resistance and loses the original advancing direction; if the inclination angle beta is too large, the volume of the remote control life buoy is greatly reduced, the buoyancy of the life buoy body on the water surface is reduced, and the life buoy body cannot normally float in the water area. Therefore, the inclined angle β of the inclined plane structure is preferably 20 to 50 °.
Preferably, the power device comprises a driving device arranged in the middle of the life buoy body and a propelling device connected with the driving device, the propelling device comprises a transmission shaft, a main water inlet arranged on the bottom surface of the life buoy body, a water jet arranged at the tail part of the life buoy body and a water jet propeller connected with the driving device through the transmission shaft, a main passage communicated with the main water inlet is arranged between the main water inlet and the water jet, and the propeller is arranged at one end, close to the water jet, in the main passage. The drive means may be an electric motor; the water can enter from a main water inlet on the bottom surface of the life buoy body and flow to a water spraying port at the tail part of the life buoy body through a main passage, and the driving device drives the water spraying propeller through the transmission of the transmission shaft so as to spray water from the water spraying port, so that the life buoy body obtains a driving force opposite to the water spraying to realize the advancing and the steering of the life buoy body; the water-jet propeller has the advantages of low noise, high propelling efficiency and the like.
Further preferably, the propulsion device further comprises a side water inlet arranged on the outer side of the life buoy body, and a communicated side passage is arranged between the side water inlet and the main passage. The side water inlet can increase the water inflow of the life buoy body, so that the water spraying amount of single water spraying is increased, the life buoy body obtains larger reverse driving force, and the steering capacity and the advancing speed of the remote control life buoy are improved.
Preferably, a warning light is further arranged on the life buoy body. Rescue personnel can rescue others by operating the remote control life buoy; the personnel on the ship can also control the life buoy body to carry out self-rescue actions. The warning lamp is convenient for rescue operations at night, and particularly can attract the attention of other people on the ship or people on the shore in the water area during the self-rescue operations so as to send out a distress signal to the people, so that the people in distress on the water can arrive at a safety zone as soon as possible.
Preferably, the inner side of the life buoy body is provided with a wearing structure. The wearing structure is a fixing structure of the waist; the wearing structure is a detachable structure; in the harsh waters environment, the physical power and the will power of the people in distress on water are all weaker, set up and dress the structure, and the waist of the people in distress on water is fixed with the life buoy body to the people in distress on water receives the influence of environmental factors such as weather, waters or receives the influence of self factor, in the rescue process, drops and falls into water again from life buoy body.
Further preferably, the width of the wearing structure is 3-10 cm. The width of the wearing structure is too narrow, so that the contact area between the wearing structure and the waist of the person in distress on water is small, and the unit area stress of the waist of the person in distress on water is large under the air resistance and the water area resistance, so that the waist of the person in distress on water is easily reined. Therefore, the width of the wearing structure is preferably 3 to 10 cm.
Preferably, the life buoy body is further provided with a cavity capable of accommodating the remote controller and a cavity cover for sealing the cavity. The cavity is used for accommodating the remote controller so as to prevent the remote controller from being lost; the cavity cover seals the cavity to prevent water from entering the cavity.
Preferably, illuminating lamps are arranged in front of, at the left side and at the right side of the life buoy body. The illuminating lamp is convenient for rescue actions at night; the front, the left side and the right side of the life buoy body are provided with the illuminating lamps, so that people in distress on water can see the surrounding water area environment clearly during self-rescue operation at night, and the life buoy body is prevented from colliding other objects.
Preferably, handles are symmetrically arranged on the left side and the right side of the life buoy body. Under the condition of larger air resistance or water resistance, the grip handle can fix the gravity center of the person in distress on the water so as to prevent the lifebuoy body from turning over or separating from the person in distress on the water due to unstable gravity center or loosening of a wearing structure.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that: the life buoy body is provided with a power device, so that quick rescue and long-distance rescue can be realized; the life buoy body is of a U-shaped structure, so that the arrangement of a power device is convenient, and the advancing speed of the life buoy body is not influenced; the elliptical arc shape can enhance the directivity of the life buoy body in severe weather environments such as strong wind and the like, the advancing air resistance is reduced, the influence of severe water environments such as large waves and the like on the bottom surface of the remote control life buoy floating in a water area can be greatly reduced by the inclined plane structure, the advancing water area resistance is reduced, and the advancing speed and the rescue success rate are improved.
Drawings
Fig. 1 is a front view of a remote controlled lifebuoy of the present invention;
fig. 2 is a left side view of the remote controlled lifebuoy of the present invention;
fig. 3 is a rear view of a remote controlled lifebuoy of the present invention;
FIG. 4 is a schematic structural diagram of the power plant of the present invention;
the reference numbers illustrate: 1, a life buoy body; 2, a wireless receiving device; 3, a bevel structure; 4 a driving device; 5, driving a shaft; 6 a main water inlet; 7, a water spraying opening; 8, a water jet propeller; 9 a main passage; 10 side water inlet; an 11-side passage; 12 warning lights; 13 a wearing structure; 14 cavities; 15 lighting lamps; 16 handles.
Detailed Description
The drawings are only for purposes of illustration and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Examples
The invention discloses a remote control life buoy, which comprises a U-shaped life buoy body 1 and a remote controller for controlling the life buoy body 1, wherein the life buoy body 1 comprises a battery for supplying power to the life buoy body 1, a wireless receiving device 2 and two power devices symmetrically arranged on the left side and the right side of the life buoy body 1, the power devices are used for receiving signals transmitted by the remote controller through the wireless receiving device 2 and propelling the remote control life buoy to move according to the signals, the battery and the wireless receiving device 2 are arranged on the front portion of the life buoy body 1, the top surface of the front portion of the life buoy body 1 is in an elliptic arc shape, and the bottom surface of the front portion of the life buoy body 1 is provided with an inclined surface structure.
In the rescue process, rescue workers put the U-shaped life buoy body 1 on the water surface, control a remote controller to transmit a control signal to a power device through a wireless receiving device 2, the power device pushes the life buoy body 1 to move to the side of the water-borne person in distress according to the received control signal, after the water-borne person in distress is sleeved with the remote control life buoy, the rescue workers also control the life buoy body 1 to move to a safety zone through the remote controller, and rescue is completed; the waterproof sleeve is arranged on the outer surface of the remote controller, and when the waterproof grade of the remote controller is higher, personnel on the ship with a water area which is difficult to fall can control the remote control lifebuoy to save oneself through the waterproof remote controller; the life buoy body 1 is provided with a power device, rescue personnel do not need to swim to the sides of people in distress on water for rescue, so that the rescue personnel are prevented from being far away from the people in distress on water or drowning danger is brought to the rescue personnel because the people in distress on water are in a severe water area environment, the advancing speed of the remote control life buoy is far greater than the swimming speed of the rescue personnel, and quick rescue and long-distance rescue can be realized; if the life buoy body 1 is of a circular structure, the whole power device can only be arranged in a bending mode, the structure of the power device which can be arranged in a bending mode is limited, and the moving speed of the life buoy body 1 is influenced by the bending arrangement of the power device, so that the life buoy body 1 is of a U-shaped structure, the arrangement of the power device is convenient, and the moving speed of the life buoy body 1 is not influenced; the top surface and the bottom surface of the traditional remote control life buoy are usually arc-shaped, and because all points on the arc are uniformly stressed, the original travelling direction is easy to lose when the life buoy meets natural environments such as wind and the like or severe water environments, and the rescue difficulty is increased greatly, the top surface of the front part of the life buoy body 1 is in an elliptic arc shape, the bottom surface is provided with the inclined surface structure 3, the elliptic arc shape can enhance the directivity of the life buoy body 1 in severe weather environments such as strong wind and the like, and the advancing air resistance is reduced, and the inclined surface structure 3 can greatly reduce the influence of severe water environments such as large waves and the like on the bottom surface of the remote control life buoy floating in a water area, reduce the advancing water area resistance, and improve the.
As shown in FIG. 2, the inclined angle β of the inclined plane structure 3 is 20-50 °. If the inclination angle beta of the inclined plane structure 3 is too small, the life buoy body 1 is easily influenced by the water resistance and loses the original advancing direction; if the inclination angle beta is too large, the volume of the remote control life buoy is greatly reduced, the buoyancy of the life buoy body 1 on the water surface is reduced, and the life buoy body 1 cannot normally float in the water area. Therefore, the inclination angle β of the slope structure 3 is preferably 20 to 50 °.
As shown in fig. 3 and 4, the power device comprises a driving device 4 arranged in the middle of the lifebuoy body 1 and a propelling device connected with the driving device 4, the propelling device comprises a transmission shaft 5, a main water inlet 6 arranged on the bottom surface of the lifebuoy body 1, a water jet 7 arranged at the tail of the lifebuoy body 1 and a water jet propeller 8 connected with the driving device 4 through the transmission shaft 5, a main passage 9 communicated with the main water inlet 6 and the water jet 7 is arranged between the main water inlet 6 and the water jet 7, and the propeller is arranged at one end, close to the water jet 7, in the main passage 9. The drive means 4 may be an electric motor; the water can enter from a main water inlet 6 on the bottom surface of the life buoy body 1 and flow to a water spraying port 7 at the tail part of the life buoy body 1 through a main passage 9, and a driving device 4 drives a water spraying propeller 8 through the transmission of a transmission shaft 5 so as to spray water from the water spraying port 7, so that the life buoy body 1 obtains a driving force opposite to the water spraying direction to realize the advancing and the steering of the life buoy body 1; the water-jet propeller 8 has the advantages of low noise, high propelling efficiency and the like.
Specifically, as shown in fig. 4, the propulsion device further includes a side water inlet 10 disposed outside the lifebuoy body 1, and a side passage 11 communicating with the main passage 9 is disposed between the side water inlet 10 and the main passage 9. The side water inlet 10 can increase the water inflow of the life buoy body 1, so that the water spraying amount of single water spraying is increased, the life buoy body 1 obtains larger reverse driving force, and the steering capacity and the advancing speed of the remote control life buoy are improved.
Wherein, a warning light 12 is further arranged on the life buoy body 1. Rescue personnel can rescue others by operating the remote control life buoy; the personnel on the ship can also control the life buoy body 1 to carry out self-rescue actions. The warning lamp 12 is convenient for rescue operations at night, and particularly in the self-rescue operation, the warning lamp 12 can attract the attention of other people on the ship or on the shore in the water area so as to send out a distress signal to the people, so that the people in distress on the water can arrive at a safety zone as soon as possible.
Wherein, the inner side of the life buoy body 1 is provided with a wearing structure 13. The wearing structure 13 is a waist fixing structure; the wearing structure 13 is a detachable structure; in a severe water area environment, the physical strength and the mental strength of people in distress on water are weak, the wearing structure 13 is arranged to fix the waist of the people in distress on water and the life buoy body 1 so as to prevent the people in distress on water from falling off from the life buoy body 1 and falling into water again in the rescue process under the influence of environmental factors such as weather, water areas and the like or self factors.
Specifically, the width of the wearing structure 13 is 3-10 cm. The width of the wearing structure 13 is too narrow, so that the contact area between the wearing structure and the waist of the person in distress on water is small, and the unit area stress of the waist of the person in distress on water is large under the air resistance and the water area resistance, so that the waist of the person in distress on water is easily injured by hurting. Therefore, the width of the wearing structure 13 is preferably 3 to 10 cm.
The life buoy body 1 is further provided with a cavity 14 capable of containing a remote controller and a cavity cover for sealing the cavity 14. The cavity 14 is used for accommodating the remote controller so as to prevent the remote controller from being lost; the chamber cover seals the chamber 14 to prevent water from entering the chamber 14.
Wherein, the front and the left and the right sides of the life buoy body 1 are provided with illuminating lamps 15. The illuminating lamp 15 is convenient for rescue actions at night; the front, the left side and the right side of the life buoy body 1 are provided with the illuminating lamps 15, so that people in distress on water can see the surrounding water area environment clearly during self rescue at night, and the life buoy body 1 is prevented from colliding other objects.
Wherein, handles 16 are symmetrically arranged at the left side and the right side of the life buoy body 1. Under the condition of large air resistance or water resistance, the grip handle 16 can fix the gravity center of the person in distress on the water so as to prevent the unstable gravity center or the loosening of the wearing structure 13, so that the life buoy body 1 is overturned or the person in distress on the water is separated from the life buoy body 1.
The above examples of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. The utility model provides a remote control life buoy, includes the remote controller of the life buoy body (1) of U type and control life buoy body (1), its characterized in that, life buoy body (1) is including the battery that is used for life buoy body (1) power supply, wireless receiving device (2) and the symmetry locate two power device on both sides about life buoy body (1), and power device is used for receiving the signal of remote controller through wireless receiving device (2) transmission and impels the motion of remote control life buoy according to the signal, battery and wireless receiving device (2) are all located life buoy body (1) front portion, the anterior top surface of life buoy body (1) is oval arc, and the bottom surface is equipped with inclined plane structure (3).
2. A remote-controlled lifebuoy according to claim 1 wherein said incline structure (3) has an angle of inclination β of 20-50 °.
3. A remote-controlled lifebuoy according to claim 1 wherein said power means comprises a driving means (4) located in the middle of the lifebuoy body (1) and a propulsion means connected to the driving means (4), said propulsion means comprising a drive shaft (5), a main water inlet (6) located in the bottom of the lifebuoy body (1), a water jet (7) located at the end of the lifebuoy body (1) and a water jet propeller (8) connected to the driving means (4) via the drive shaft (5), a main passageway (9) communicating with the water jet (7) being provided between the main water inlet (6) and the water jet (7), the propeller being provided at an end of the main passageway (9) adjacent to the water jet (7).
4. A remote controlled lifebuoy according to claim 3 wherein said propulsion means further comprises a side inlet (10) located outside the lifebuoy body (1), a side passage (11) communicating between the side inlet (10) and the main passage (9).
5. A remote controlled lifebuoy according to claim 1 wherein the inside of said lifebuoy body (1) is provided with a wearing structure (13).
6. A remote controlled lifebuoy according to claim 5 wherein said wearing structure (13) has a width of 3-10 cm.
7. A remote-controlled lifebuoy according to claim 1 wherein said lifebuoy body (1) is further provided with a cavity (14) for receiving a remote control and a cavity cover for sealing said cavity (14).
8. A remote-controlled lifebuoy according to claim 1 wherein lights (15) are provided in front of and to the left and right of said lifebuoy body (1).
9. A remote-controlled lifebuoy according to claim 1 wherein handles (16) are symmetrically provided on the left and right sides of said lifebuoy body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911390080.5A CN113044188A (en) | 2019-12-27 | 2019-12-27 | Remote control life buoy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911390080.5A CN113044188A (en) | 2019-12-27 | 2019-12-27 | Remote control life buoy |
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| Publication Number | Publication Date |
|---|---|
| CN113044188A true CN113044188A (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911390080.5A Pending CN113044188A (en) | 2019-12-27 | 2019-12-27 | Remote control life buoy |
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| CN (1) | CN113044188A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114435557A (en) * | 2022-02-11 | 2022-05-06 | 大理大学 | Scenic spot water fire rescue device |
-
2019
- 2019-12-27 CN CN201911390080.5A patent/CN113044188A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114435557A (en) * | 2022-02-11 | 2022-05-06 | 大理大学 | Scenic spot water fire rescue device |
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Application publication date: 20210629 |