CN108317904A - Underwater electronic arresting system waterborne - Google Patents

Underwater electronic arresting system waterborne Download PDF

Info

Publication number
CN108317904A
CN108317904A CN201810316323.XA CN201810316323A CN108317904A CN 108317904 A CN108317904 A CN 108317904A CN 201810316323 A CN201810316323 A CN 201810316323A CN 108317904 A CN108317904 A CN 108317904A
Authority
CN
China
Prior art keywords
underwater
net
relay
flexible unit
waterborne
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810316323.XA
Other languages
Chinese (zh)
Inventor
陈海斌
闫方超
周兵
李素军
陈在亮
杨贝贝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taizhou Golden Ocean Shipping Equipment Co Ltd
Original Assignee
Taizhou Golden Ocean Shipping Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Taizhou Golden Ocean Shipping Equipment Co Ltd filed Critical Taizhou Golden Ocean Shipping Equipment Co Ltd
Priority to CN201810316323.XA priority Critical patent/CN108317904A/en
Publication of CN108317904A publication Critical patent/CN108317904A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41HARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H11/00Defence installations; Defence devices
    • F41H11/05Net barriers for harbour defence

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

The present invention relates to a kind of underwater electronic arresting systems waterborne, including arrester waterborne, underwater arrester, monitoring control device and centralized control center;The arrester waterborne includes buoyancy holder and protection network waterborne;The underwater arrester includes the multiple second flexible unit nets being connected with each other, and the second flexible unit net is worked out using the complete mesh rope of same root, and the wire rope core of the mesh rope is the plain conductor containing waterproof insulating layer;Low-tension supply by being accessed whether the plain conductor of the second flexible unit net and the second flexible unit net of monitoring disconnects by the monitoring control device, when the plain conductor of the second flexible unit net disconnects, the monitoring control device detects that the variation of incoming level concurrently send alarm signal to the centralized control center.The centralized control center can discharge the remotely pilotless ship with sonar and carry out accurately detecting and identification to intrusion target to intrusion target position as needed, to ensure marine important goal safety.

Description

Underwater electronic arresting system waterborne
Technical field
The present invention relates to a kind of underwater electronic arresting systems waterborne, belong to electronics and block technical field.
Background technology
With China sea equipment Development and the getting worse of maritime safety environment, marine important goal is such as large-scale Civilian, military applications the warnings such as naval vessel, ship, offshore drilling platform, harbour, artificial islands and reefs, special military use marine site are anti- Shield is particularly important.
Since port location is fixed, emphasis critical position is more, and regional extent is wide, and self-prevention difficulty is big.Therefore, for sea On important goal arresting system research and design it is extremely urgent.
Invention content
The invention solves technical problems to be:The shortcomings that overcoming above-mentioned technology, marine important mesh can be ensured by providing one kind Mark the underwater electronic arresting system waterborne of safety.
In order to solve the above-mentioned technical problem, technical solution proposed by the present invention is:A kind of underwater electronic arresting system waterborne, Including arrester waterborne, underwater arrester, monitoring control device and centralized control center;
The arrester waterborne includes buoyancy holder, the protection network waterborne on buoyancy holder and passes through anchor chain Several grasps being connected on buoyancy holder;The buoyancy holder is made of crossbeam with the floating body for being fixed in below the crossbeam, described The top of crossbeam is equipped at intervals with multiple sockets for inserting protection network waterborne along its length;If the protection network waterborne includes Dry column and the first flexible unit net composition between two neighboring column, the column are equipped with and socket phase The connection-peg matched is to form connected structure;
The underwater arrester includes the underwater protection net being mounted on the floating body, and the underwater protection net is by mutual Multiple second flexible unit nets of connection and the counterweight chain being arranged at the second flexible unit end off the net are constituted, and described second is soft Property element mesh is worked out using the complete mesh rope of same root, and the wire rope core of the mesh rope is the metal containing waterproof insulating layer Conducting wire twists around the wire rope core and is wound with polymer composite filament layer;
The monitoring control device is by multiple control units are constituted correspondingly with the second flexible unit net;The control Unit includes control chip, low-tension supply, current-limiting resistance, control power supply, the first relay and the second relay, the low tension Source is the DC power supply that voltage is less than 36V;The control chip is linked by communication cable and centralized control center;The low-tension supply Positive and negative electrode between be serially connected with the plain conductor of the second flexible unit net, the normally-closed contact of first relay, first The coil of current-limiting resistance and the second relay;The normally closed of the second relay is serially connected between the positive and negative electrode of the control power supply to touch Point and the second current-limiting resistance, the node between the normally-closed contact of second relay, the second current-limiting resistance and the control core The I/O mouths of piece connect;When in use, the control chip controls the break-make of the first relay by driving circuit, when described the When the plain conductor of two flexible unit nets disconnects, the I/O mouths of the control chip detect the variation of incoming level, excite at this time It controls chip and sends alarm signal to the centralized control center.
The present invention threatens setting security protection arresting system that harbour is protected to pacify the port security from marine direction Complete most viable, most effective defense mechanism.By the way that water surface fence and obstacle are arranged around harbor limit waters and at breakwater gap, Headway of the various ships in harbour can be limited, can make attacker can not be at a high speed close to port facilities and Berthing in Port Ship, arrester is set under water and is also possible to prevent underwater submarine or frogman etc. and attacks under water.The present invention makes Used time, the underwater electronic arresting gear place counterweight chain at the position of contact sea bed, need to ensure that counterweight chain bottoms out, simultaneously Several grasps are connected with by anchor chain on the buoyancy holder of the arrester waterborne, are positioned by grasp.
The underwater arrester is used the second flexible unit that the complete mesh rope of same root is worked out by the present invention Net is connected with each other and is made, and the wire rope core of the mesh rope is plain conductor, flexible single with corresponding second when frogman cuts mesh rope The coil losing electricity of second relay of member net concatenation, the normally-closed contact of second relay act, at this time the control chip I/O mouths detect the variation of incoming level, to excite control chip to send alarm signal to the centralized control center, the collection Control center can discharge the remotely pilotless ship with sonar and carry out accurately detecting to intrusion target to intrusion target position as needed With identification, to ensure marine important goal safety.
Being further improved for above-mentioned technical proposal be:The monitoring control device further includes high voltage power supply and third relay Device, the high voltage power supply are the DC power supply that voltage is more than 36V, are sequentially connected in series between the positive and negative electrode of the high voltage power supply State the normally opened contact of the normally opened contact of the first relay, the plain conductor and third relay of the second flexible unit net, institute State the break-make that centralized control center controls third relay by driving circuit.In this way, when certain second flexible unit is learnt by centralized control center Net disconnect when, can by connect third relay to the second flexible unit net apply high voltage direct current, to by cutting position into Row electric discharge, carries out forceful electric power defence.
Preferably, the delivery outlet of the control chip is also associated with alarm LED light.
Being further improved for above-mentioned technical proposal be:The column is equipped with the image recognition being connect with the centralized control center Tracks of device and the warning device being connect with described image recognition and tracking device, described image recognition and tracking device monitoring is to having When frogman climbs arresting net, notice warning device is alarmed, and it is real-time to climb region by centralized control center's real-time display Image.
Being further improved for above-mentioned technical proposal be:The underwater protection is provided with anti-frogman's fishing without hook on the net.The anti-frog People's fishing without hook can float with ocean current, once frogman is close, i.e., firmly hooked by fishing without hook, can prevent frogman from slipping into target area.
For the ease of laying, the floating body is equipped with towing gear, and the towing gear is by bail and for connecting More traction ropes of bail and floating body are constituted.
Preferably, the floating body is solid type floating body or automatic inflation type floating body.When the floating body is floating for automatic inflation type When body, bottom is equipped with clump weight.
Preferably, the below the crossbeam is equipped with multiple goat's horns and hangs stake, and the underwater protection is described equipped with that can be articulated on the net Goat's horn hangs the suspension fake in stake.
Preferably, the floating body is equipped with reflection plaster.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the schematic diagram for monitoring control device.
Fig. 3 is the structural schematic diagram of buoyancy holder.
Fig. 4 is the structural schematic diagram of towing gear.
Reference numeral:Floating body 1, crossbeam 2, goat's horn hang stake 2-1, column 3-1, the first flexible unit net 3-2, anchor chain 4, grasp 5, the second flexible unit net 6, warning device 7, counterweight chain 8, centralized control center 9, control unit 10, control chip 11, connection Cable 12, towing gear 13, bail 13-1, traction rope 13-2, shackle 13-3, main pulling plate 13-4, anti-frogman's fishing without hook 20.
Specific implementation mode
Embodiment one
The underwater electronic arresting system waterborne of the present embodiment, as shown in Figs 1-4, including arrester waterborne, underwater obstruction Device, monitoring control device 30 and centralized control center 9.
The arrester waterborne includes buoyancy holder, the protection network waterborne on buoyancy holder and passes through anchor chain 4 are connected to several grasps 5 on buoyancy holder;The buoyancy holder is made of crossbeam 2 and the floating body 1 being fixed in below crossbeam 2, The top of the crossbeam 2 is equipped at intervals with multiple sockets for inserting protection network waterborne along its length;The protection network waterborne The first flexible unit net 3-2 compositions including several column 3-1 and between two neighboring column 3-1, the column 3-1 is equipped with the connection-peg to match with socket to form connected structure;
The underwater arrester includes the underwater protection net being mounted on the floating body 1, and the underwater protection net is by phase The multiple second flexible unit nets 6 to connect and the counterweight chain 8 being arranged in 6 lower end of the second flexible unit net are constituted, described Second flexible unit net 6 is worked out using the complete mesh rope of same root, and the wire rope core of the mesh rope is containing waterproof insulation The plain conductor of layer twists around the wire rope core and is wound with polymer composite filament layer;
The monitoring control device includes and 6 one-to-one multiple control units 10 of the second flexible unit net;The control Unit 10 processed includes control chip 11, low-tension supply(+ 24V power supplys in Fig. 2), current-limiting resistance R1, control power supply(Top in Fig. 2 + 5V power supplys), the first relay and the second relay, the optional voltage of low-tension supply is less than the DC power supply of 36V, this reality Apply in example is 24V power supplys;The control chip 11 is linked with centralized control center 9 by communication cable 12;The low-tension supply just, The plain conductor of the second flexible unit net 6, the normally-closed contact of first relay are serially connected between cathode(K1 in Fig. 2 And K2), the first current-limiting resistance R1 and the second relay coil KA2;It is serially connected with second between the positive and negative electrode of the control power supply The normally-closed contact KA1 of relay and the second current-limiting resistance R2, normally-closed contact KA1, the second current-limiting resistance of second relay Node between R2 is connect with the I/O mouths of the control chip 11;When in use, the control chip 11 passes through driving circuit control The break-make for making the first relay, when the plain conductor of the second flexible unit net 6 disconnects, the I/O of the control chip 11 Mouth detects the variation of incoming level, and the chip 11 of excitation control at this time sends alarm signal to the centralized control center 9.
The floating body 1 is solid type floating body or automatic inflation type floating body.Automatic inflation type floating body is used in the present embodiment, Bottom is equipped with clump weight 1-1, and the floating body 1 is equipped with reflection plaster 1-2.
Preferably, 2 lower section of the crossbeam is equipped with multiple goat's horns and hangs stake 2-1, and the underwater protection is equipped with can be articulated on the net The goat's horn hangs the suspension fake on stake 2-1.
The present embodiment can also make following improve:
1)The delivery outlet of the control chip 11 is also associated with alarm lamp, when the I/O mouths inspection of the control chip 11 The variation for measuring incoming level, by alarm lamp warning reminding, alarm lamp is driven with the frequency scintillation of 1Hz/s Alarming horn.
2)The underwater protection is provided with the anti-frogman's fishing without hook of multilayer 20 on the net.Anti- frogman's fishing without hook 20 can be floating with ocean current It is dynamic, once frogman is close, i.e., firmly hooked by fishing without hook, can prevent frogman from slipping into target area.
3)As shown in Figure 3 and Figure 4, for the ease of laying floating body 1, the floating body 1 is equipped with towing gear 13, the towing Device 13 is constituted by bail 13-1 and for connecting bail 13-1 and more traction rope 13-2 of floating body 1, traction rope 13- 2 can be connect by shackle 13-3 with the main pulling plate 13-4 on floating body 1.
Embodiment two
The present embodiment is improvement on the basis of embodiment one, is theed improvement is that:As shown in Fig. 2, the monitoring control Device processed further includes high voltage power supply and third relay, and the high voltage power supply is the DC power supply that voltage is more than 36V(In Fig. 2+ The power supply of 48V), the normally opened contact K3, described of first relay is sequentially connected in series between the positive and negative electrode of the high voltage power supply The plain conductor of second flexible unit net 6 and the normally opened contact K4 of third relay, the centralized control center passes through driving circuit control The break-make of third relay processed.In this way, when centralized control center 9 learns that certain second flexible unit net 6 disconnects, it can be by connecting third Relay applies high voltage direct current to the second flexible unit net 6, to being discharged by cutting position, carries out forceful electric power defence.
The present invention is not limited to the above embodiment, and the technical solution of above-mentioned each embodiment of the invention can intersect each other Combination form new technical solution, in addition it is all using equivalent replacement formed technical solution, all fall within the present invention claims protection In range.

Claims (9)

1. a kind of underwater electronic arresting system waterborne, it is characterised in that:Including arrester waterborne, underwater arrester, monitoring Control device and centralized control center;
The arrester waterborne includes buoyancy holder, the protection network waterborne on buoyancy holder and is connected by anchor chain Several grasps on buoyancy holder;The buoyancy holder is made of crossbeam with the floating body for being fixed in below the crossbeam, the crossbeam Top be equipped at intervals with along its length it is multiple for inserting the sockets of protection network waterborne;The protection network waterborne includes several vertical Column and the first flexible unit net composition between two neighboring column, the column is equipped with to match with socket Connection-peg is to form connected structure;
The underwater arrester includes the underwater protection net being mounted on the floating body, and the underwater protection net is by being connected with each other Multiple second flexible unit nets and counterweight chain composition at the second flexible unit end off the net is set, described second is flexible single First net is worked out using the complete mesh rope of same root, and the wire rope core of the mesh rope is that the metal containing waterproof insulating layer is led Line twists around the wire rope core and is wound with polymer composite filament layer;
The monitoring control device is by multiple control units are constituted correspondingly with the second flexible unit net;Described control unit It is including control chip, low-tension supply, current-limiting resistance, control power supply, the first relay and the second relay, the low-tension supply Voltage is less than the DC power supply of 36V;The control chip is linked by communication cable and centralized control center;The low-tension supply The plain conductor of the second flexible unit net, the normally-closed contact of first relay, the first limit are serially connected between positive and negative electrode The coil of leakage resistance and the second relay;The normally-closed contact of the second relay is serially connected between the positive and negative electrode of the control power supply With the second current-limiting resistance, the node between the normally-closed contact of second relay, the second current-limiting resistance and the control chip I/O mouths connection;When in use, the control chip controls the break-make of the first relay by driving circuit, when described second When the plain conductor of flexible unit net disconnects, the I/O mouths of the control chip detect the variation of incoming level, at this time excitation control Coremaking piece sends alarm signal to the centralized control center.
2. underwater electronic arresting system waterborne according to claim 1, it is characterised in that:The monitoring control device also wraps Include high voltage power supply and third relay, the high voltage power supply is the DC power supply that voltage is more than 36V, the high voltage power supply just, The normally opened contact of first relay, the plain conductor and third of the second flexible unit net are sequentially connected in series between cathode The normally opened contact of relay, the centralized control center control the break-make of third relay by driving circuit.
3. underwater electronic arresting system waterborne according to claim 1, it is characterised in that:The floating body is equipped with towing and fills It sets, more piece traction ropes of the towing gear by bail and for connecting bail and floating body are constituted.
4. underwater electronic arresting system waterborne according to claim 1, it is characterised in that:The floating body is solid type floating body Or automatic inflation type floating body.
5. underwater electronic arresting system waterborne according to claim 1, it is characterised in that:The below the crossbeam is equipped with multiple Goat's horn hangs stake, and the underwater protection is equipped with the suspension fake that can be articulated in the goat's horn extension stake on the net.
6. underwater electronic arresting system waterborne according to claim 1, it is characterised in that:The column be equipped with it is described The image recognition tracks of device of centralized control center's connection and the warning device being connect with described image recognition and tracking device;The figure As recognition and tracking device monitoring is to when having the frogman to climb arresting net, notice warning device is alarmed, and by the centralized control center Real-time display climbs region realtime graphic.
7. underwater electronic arresting system waterborne according to claim 4, it is characterised in that:The floating body is equipped with reflective Patch.
8. underwater electronic arresting system waterborne according to claim 4, it is characterised in that:The automatic inflation type floating body Bottom is equipped with clump weight.
9. underwater electronic arresting system waterborne according to claim 1, it is characterised in that:The underwater protection is arranged on the net There is anti-frogman's fishing without hook.
CN201810316323.XA 2018-04-10 2018-04-10 Underwater electronic arresting system waterborne Pending CN108317904A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810316323.XA CN108317904A (en) 2018-04-10 2018-04-10 Underwater electronic arresting system waterborne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810316323.XA CN108317904A (en) 2018-04-10 2018-04-10 Underwater electronic arresting system waterborne

Publications (1)

Publication Number Publication Date
CN108317904A true CN108317904A (en) 2018-07-24

Family

ID=62898197

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810316323.XA Pending CN108317904A (en) 2018-04-10 2018-04-10 Underwater electronic arresting system waterborne

Country Status (1)

Country Link
CN (1) CN108317904A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109440731A (en) * 2018-11-09 2019-03-08 中国船舶重工集团公司第七〇九研究所 A kind of water installations security protection arresting system
CN109958114A (en) * 2019-04-09 2019-07-02 泰州市金海运船用设备有限责任公司 The construction method of underwater arresting net
CN111862503A (en) * 2019-04-25 2020-10-30 中电科海洋信息技术研究院有限公司 Underwater intrusion alarm arresting system
CN115111967A (en) * 2022-06-08 2022-09-27 中国船舶集团有限公司系统工程研究院 Distributed active and passive comprehensive frogman prevention system and control method thereof
CN115976731A (en) * 2023-03-21 2023-04-18 海底鹰深海科技股份有限公司 Optical fiber net and weaving method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2784562Y (en) * 2005-04-30 2006-05-31 刘志刚 Alarming anti-theft net beneficial to fire-extinguishing
CN201040944Y (en) * 2007-04-13 2008-03-26 张孝荣 Trigger type breakage alarm anti-theft fence guard net
US20080105184A1 (en) * 2006-11-06 2008-05-08 Laurence Nixon Port security barrier
CN101281674A (en) * 2007-04-03 2008-10-08 天津百思特环保设备有限公司 Open circuit type anti-theft alarming device
GB201104660D0 (en) * 2010-03-19 2011-05-04 Iffergan David Marine optic fiber security fence
CN102142177A (en) * 2010-01-29 2011-08-03 郭喜明 Electronic anti-theft safety net
RU174846U1 (en) * 2017-07-27 2017-11-07 Акционерное общество "Научно-производственный комплекс "Дедал" Bosoneti alarm fence
CN208269734U (en) * 2018-04-10 2018-12-21 泰州市金海运船用设备有限责任公司 Underwater electronic arresting system waterborne
CN208398728U (en) * 2018-04-10 2019-01-18 泰州市金海运船用设备有限责任公司 Underwater electronic arresting system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2784562Y (en) * 2005-04-30 2006-05-31 刘志刚 Alarming anti-theft net beneficial to fire-extinguishing
US20080105184A1 (en) * 2006-11-06 2008-05-08 Laurence Nixon Port security barrier
CN101281674A (en) * 2007-04-03 2008-10-08 天津百思特环保设备有限公司 Open circuit type anti-theft alarming device
CN201040944Y (en) * 2007-04-13 2008-03-26 张孝荣 Trigger type breakage alarm anti-theft fence guard net
CN102142177A (en) * 2010-01-29 2011-08-03 郭喜明 Electronic anti-theft safety net
GB201104660D0 (en) * 2010-03-19 2011-05-04 Iffergan David Marine optic fiber security fence
RU174846U1 (en) * 2017-07-27 2017-11-07 Акционерное общество "Научно-производственный комплекс "Дедал" Bosoneti alarm fence
CN208269734U (en) * 2018-04-10 2018-12-21 泰州市金海运船用设备有限责任公司 Underwater electronic arresting system waterborne
CN208398728U (en) * 2018-04-10 2019-01-18 泰州市金海运船用设备有限责任公司 Underwater electronic arresting system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109440731A (en) * 2018-11-09 2019-03-08 中国船舶重工集团公司第七〇九研究所 A kind of water installations security protection arresting system
CN109440731B (en) * 2018-11-09 2023-10-31 中国船舶重工集团公司第七一九研究所 Water area facility safety protection arresting system
CN109958114A (en) * 2019-04-09 2019-07-02 泰州市金海运船用设备有限责任公司 The construction method of underwater arresting net
CN111862503A (en) * 2019-04-25 2020-10-30 中电科海洋信息技术研究院有限公司 Underwater intrusion alarm arresting system
CN115111967A (en) * 2022-06-08 2022-09-27 中国船舶集团有限公司系统工程研究院 Distributed active and passive comprehensive frogman prevention system and control method thereof
CN115976731A (en) * 2023-03-21 2023-04-18 海底鹰深海科技股份有限公司 Optical fiber net and weaving method thereof

Similar Documents

Publication Publication Date Title
CN108317904A (en) Underwater electronic arresting system waterborne
CN208269734U (en) Underwater electronic arresting system waterborne
CN108375320A (en) Underwater electronic arresting system
CN106522179B (en) Portable floater intercepting device on water
BR112019012376A2 (en) SYSTEM FOR CATHETIC PRINTED CURRENT PROTECTION, LOAD ARRANGEMENT, MARINE STRUCTURE, METHOD FOR CATHODIC PRINTED CURRENT PROTECTION OF A MARINE STRUCTURE IN CONTACT WITH WATER, AND METHOD OF INSTALLING A SYSTEM
CN210761225U (en) Fishing device for seabed observation system
CN107358818B (en) Bridge anti-collision early warning system and method
CN208398728U (en) Underwater electronic arresting system
KR200449774Y1 (en) A Marker Buoy Unit for Safety of a Disaster at Sea
CN106005260B (en) A kind of ship mooring method and device
CN210119842U (en) Underwater intrusion alarm arresting system
CN110697001A (en) Recovery device and recovery method of seabed-based observation system without release function
US20150294541A1 (en) Instrumented flexible waterside security barrier system
CN106522180B (en) Water surface floater intercepting device
RU174846U1 (en) Bosoneti alarm fence
CN204882535U (en) Intelligence multi -parameter monitoring buoyage
CN112298454B (en) Self-adaptive water level mooring buoy and self-adaptive method thereof
CN110274580A (en) A kind of preventing seabed base
CN205879300U (en) Water level warning device
WO2010022450A1 (en) Beach lifesaving system and method of deployment
CN217629767U (en) Intelligent intercepting net device
CN212709849U (en) Device is prevented invading in no-go zone based on buoy
CN105490271B (en) Maritime power conveyer and its implementation
CN209938880U (en) Ocean submerged buoy system for preventing fishing boat from being damaged
CN210956276U (en) Port intelligent detection defense network system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20180724

RJ01 Rejection of invention patent application after publication