CN204008924U - The autonomous device that detects deep-sea watertight performance of connector - Google Patents
The autonomous device that detects deep-sea watertight performance of connector Download PDFInfo
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- CN204008924U CN204008924U CN201420460126.2U CN201420460126U CN204008924U CN 204008924 U CN204008924 U CN 204008924U CN 201420460126 U CN201420460126 U CN 201420460126U CN 204008924 U CN204008924 U CN 204008924U
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Abstract
The utility model relates to the checkout equipment of deep-sea watertight connector, a kind of device of autonomous detection deep-sea watertight performance of connector specifically, comprise cabin body, end cap, electronics shelf structure, watertight cable, deep-sea watertight connector and deep-water pressure sensor, the two ends of cabin body are sealedly connected with respectively end cap, electronics shelf structure be placed in the body of cabin and with cabin body inwall butt, electronics shelf structure is provided with electric battery and the depth test plate, collection control panel, MOX module, the data that are electrically connected to electric battery respectively read plate; On the end cap at body two ends, cabin, be respectively equipped with deep-sea watertight connector, on the end cap of two ends, between corresponding deep-sea watertight connector, by watertight cable, be connected, deep-water pressure sensor is installed on the end cap of one end in office, and deep-water pressure sensor is electrically connected to depth test plate by electric wire in body inside, cabin.The utlity model has simple in structure, be convenient to test, take up room little, dependence is little, applied widely, simple operation and other advantages.
Description
Technical field
The utility model relates to the checkout equipment of deep-sea watertight connector, specifically a kind of device of autonomous detection deep-sea watertight performance of connector.
Background technology
Deep-sea watertight connector is that a kind of environment is under water used, bears the electric connector that power supply and signal etc. transmit mission under water; It,, at numerous areas such as scientific research of seas, marine oil and rock gas probing and production, Underwater Engineering equipment, transmission under water and monitor network, underwater robot (ROV, AUV etc.) and national defence, is all widely used.The reliability of deep-sea watertight connector affects China's deep-sea scientific research, marine resources development and defence equipment industrial expansion to a great extent.On a lot of Scientific research equipments and engineer equipment, the link that deep-sea watertight connector easily goes wrong often most, prevent the appearance of these problems just need to check accurately the performance of deep-sea watertight connector.Due to the singularity of deep-sea watertight connector working environment, precisely detect its performance, often need to be placed in the marine environment at deep-sea and detect.
Utility model content
The purpose of this utility model is to provide a kind of device of autonomous detection deep-sea watertight performance of connector.This device testing process does not need any operation of technician, does not rely on the energy and the signal support of surface ship, at 5000m deep-sea floor, independently detects, and can realize multiple deep-sea watertight connector service check under the environment of different Hai Shen simultaneously.
The purpose of this utility model is achieved through the following technical solutions:
The utility model comprises cabin body, end cap, electronics shelf structure, watertight cable, deep-sea watertight connector and deep-water pressure sensor, the two ends of its middle deck body are sealedly connected with respectively end cap, described electronics shelf structure be placed in the body of cabin and with cabin body inwall butt, this electronics shelf structure is provided with electric battery and the depth test plate being electrically connected to described electric battery respectively, collection control panel, MOX module, data read plate; On the end cap at body two ends, described cabin, be respectively equipped with deep-sea watertight connector, on the end cap of described two ends, between corresponding deep-sea watertight connector, by watertight cable, be connected, described deep-water pressure sensor is installed on the end cap of one end in office, and this deep-water pressure sensor is electrically connected to described depth test plate by electric wire in body inside, cabin.
Wherein: described electronics shelf structure by O type rubber seal and cabin body inwall butt, realize circumferencial direction and fix, one end of this electronics shelf structure is provided with the limited block of body one end, cabin end cap inwall butt, realizes axial location, and the other end of electronics shelf structure is provided with the register pin of pegging graft with cabin body other end end cap, realizes circumferencial direction location;
Described electronics shelf structure comprises installing plate, limited block, register pin and is connected in the fixed head at these installing plate two ends, overlaps and has O type rubber seal, by this O type rubber seal and described cabin body inwall butt on the fixed head at described installing plate two ends; The fixed head of described installing plate one end is provided with the described limited block with this end end cap inwall butt, the fixed head of the other end is pegged graft by described register pin and this end end cap, has the cotter way inserting for register pin on the described end cap relative with installing plate other end fixed head; Between the fixed head at described installing plate two ends, be provided with many connecting links, one end of arbitrary connecting link is passed, is threaded with described register pin by the fixed head of this end; The fixed head at described installing plate two ends is circular slab, and the centre of each fixed head all has through hole, and on each fixed head, all Central Symmetry has two grooves; Described in each, the circumferencial direction of fixed head all has the O shape groove of accommodating O type rubber seal, and described O type rubber seal radially caves inward in the position of offering of described groove, and is fixed on fixed head by connection cord; Described depth test plate, gather control panel, MOX module and data and read plate and be installed on respectively on installing plate, by described battery-powered, described depth test plate and gather control panel and read plate with data respectively and be electrically connected to, test result is passed to data read plate;
On the end cap at body two ends, described cabin, all have the threaded hole of a plurality of installation deep-water pressure sensors or corresponding model deep-sea watertight connector.
Advantage of the present utility model and good effect are:
1. the utility model can be applied in 5000m deep-sea, and does not rely on the energy of surface ship and the performance that signal support completely independently detects deep-sea watertight connector.
2. the utlity model has feature simple in structure; The utility model by simple physical construction, prior art product and outsourcing piece formed can independent detection deep-sea watertight performance of connector test platform, easy for removal and installation.
3. the utlity model has the feature of being convenient to test.The utility model in a pressurized capsule, without electric interfaces, is convenient to sea trial with the external world by all appts integration of equipments.
4. the utlity model has the little feature that takes up room.The related device of the utility model takes up room little, is convenient to carry under water and tests on equipment.
5. the utlity model has the little feature of subsidiary conditions dependence to external world.The energy and signal support that the utility model does not rely on surface ship completely independently detect deep-sea watertight performance of connector.
6. the utlity model has the applicability of wide model.The utility model goes for the service check of dissimilar deep-sea watertight connector.The utility model will check dissimilar deep-sea watertight connector only need change the hatchcover with respective screw hole.
7. the utlity model has feature simple to operate.Structural member of the present utility model and soft copy are by bolt or be threaded, and are convenient to installation and removal.
8. the utlity model has the feature that test situation conforms to actual condition height.Operating mode and actual conditions that the utility model is simulated in process of the test are basically identical, to greatest extent the confidence level of warranty test result and accuracy.
9. the utlity model has the little feature of weight in water.The utility model gravity and buoyancy in water approach balance, are convenient to carry and test in water.
10. the utlity model has the applicable feature of many depth of water.The utility model can be applied in the deep-sea of 0～5000m depth of water, and the depth of water is had to applicability widely.
Accompanying drawing explanation
Figure 1A is one-piece construction schematic diagram of the present utility model;
Figure 1B is the left view of Figure 1A;
Fig. 1 C is that the A of Figure 1A is to view;
Fig. 2 A is the structural representation of the utility model electronics shelf structure;
Fig. 2 B is the left view of Fig. 2 A;
Fig. 2 C is that the B of Fig. 2 A is to view;
Fig. 3 A is the structural representation of the utility model the first end cap;
Fig. 3 B is the left view of Fig. 3 A;
Fig. 3 C is the right view of Fig. 3 A;
Fig. 4 is the structural representation of the utility model cabin body;
Fig. 5 A is the structural representation of the utility model the second end cap;
Fig. 5 B is the left view of Fig. 5 A;
Fig. 5 C is the right view of Fig. 5 A;
Fig. 6 is the structural representation of the utility model limited block;
Fig. 7 A is the structural representation of the utility model the first fixed head;
Fig. 7 B is the side view cutaway drawing of Fig. 7 A;
Fig. 8 A is the structural representation of the utility model the second fixed head;
Fig. 8 B is the side view cutaway drawing of Fig. 8 A;
Fig. 9 A is the structural representation of the utility model battery fixed band;
Fig. 9 B is the upward view of Fig. 9 A;
Figure 10 A is the structural representation of the utility model MOX module fixed band;
Figure 10 B is the vertical view of Figure 10 A;
Figure 11 A is the structural representation of the utility model installing plate;
Figure 11 B is the vertical view of Figure 11 A;
Figure 11 C is the left view of Figure 11 A;
Figure 12 is the structural representation of the utility model register pin;
Figure 13 is the structural representation of the utility model connecting link;
Wherein: 1 is deep-water pressure sensor, 2 is the first end cap, 3 is cabin body hermetically-sealed construction, 4 is cabin body, 5 is electronics shelf structure, 6 is watertight cable, 7 is the second end cap, 8 is deep-sea watertight connector, 9 is limited block, 10 is the first fixed head, 11 is battery fixed band, 12 is MOX module fixed band, 13 is installing plate, 14 is connecting link, 15 for gathering control panel, 16 read plate for data, 17 is the second fixed head, 18 is register pin, 19 is MOX module, 20 is depth test plate, 21 is electric battery, 22 is O type rubber seal, 23 is the first threaded hole, 24 is cotter way, 25 is the second threaded hole, 26 is the first through hole, 27 is groove, 28 is the second through hole, 29 is third through-hole, 30 is the 3rd threaded hole, 31 is O shape groove, 32 is unthreaded hole, 33 is the 4th threaded hole, 34 is the 5th threaded hole.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
The utility model is a kind of autonomous device that detects deep-sea watertight performance of connector in deep-sea that is applied to, and can not rely on the energy and the signal support of surface ship, realizes the detection of polymorphic type and size deep-sea watertight performance of connector in deep-sea.As shown in Figure 1A, Figure 1B and Fig. 1 C, the utility model comprises the first end cap 2, cabin body hermetically-sealed construction 3, cabin body 4, electronics shelf structure 5, the second end cap 7, deep-sea watertight connector 8, watertight cable 6 and deep-water pressure sensor 1, its middle deck body 4 is cylindric, as shown in Figure 4, and the first end cap 2 is linked together and realized underwater sealing by cabin body hermetically-sealed construction 3 with one end of cabin body 4; As shown in Fig. 3 A, Fig. 3 B and Fig. 3 C, on the first end cap 2, have a plurality of the first threaded holes 23, be used for installing as required deep-sea watertight connector 8 and the deep-water pressure sensor 1 of corresponding model, deep-water pressure sensor 1 is threaded connection realizes being connected of itself and the first end cap 2, and realize the underwater sealing with the first end cap 2 by metallic gasket, deep-sea watertight connector 8 is threaded connection or bolt connects and the first end cap 2 realizations are connected, and realizes underwater sealing by O type rubber seal and the first end cap 2.The second end cap 7 is linked together and is realized underwater sealing by cabin body hermetically-sealed construction 3 with the other end of cabin body 4; As shown in Fig. 5 A, Fig. 5 B and Fig. 5 C, the second end cap 7 has a plurality of the first threaded holes 23 equally, be used for installing as required the deep-sea watertight connector 8 of corresponding model, deep-sea watertight connector 8 is threaded connection or bolt connects and the second end cap 7 realizations are connected, and realizes underwater sealing by O type rubber seal and the second end cap 7; The inner side of the second end cap 7 inwardly has a cotter way 24 vertically, for being connected with electronics shelf structure.Between the deep-sea watertight connector 8 of the first end cap 2 and corresponding model on the second end cap 7, by watertight cable 6, be connected, on the first end cap 2, deep-water pressure sensor 1 is installed, this deep-water pressure sensor 1 is electrically connected to the depth test plate 20 on electronics shelf structure 5 by electric wire in cabin body 4 inside.Cabin of the present utility model body hermetically-sealed construction 3 is prior art, and deep-sea watertight connector 8 and watertight cable 6 are for being verified product, and deep-water pressure sensor 1 is commercial product.
Cabin body 4 forms sealing cabin with first and second end cap 2,7 at two ends, and electronics shelf structure 5, as main body of the present utility model, is placed in the body of sealing cabin.In the socket cabin of deep-sea watertight connector 8, loose wire is connected with electronics shelf structure 5.As shown in Fig. 2 A, Fig. 2 B and Fig. 2 C, electronics shelf structure 5 comprises limited block 9, the first fixed head 10, battery fixed band 11, MOX module fixed band 12, installing plate 13, connecting link 14, register pin 18, the second fixed head 17, gathers control panel 15, MOX module 19, depth test plate 20 and electric battery 21, the two ends of installing plate 13 are fixed in respectively on the first fixed head 10, the second fixed head 17, between first and second fixed head 10,17, by many connecting links 14, are realized and being connected.As shown in Figure 7 A, 7 B, the first fixed head 10 is circular slab, and on the first fixed head 10, Central Symmetry has two the second threaded holes 25; As shown in Figure 6, limited block 9 is frustum structure, and centre has shoulder hole vertically, and this limited block 9 is connected by bolt and first fixed head 10 realizations of inserting in the second threaded hole 25.The first fixed head 10 is along the circumferential direction gone up and is also had four the first through holes 26, as shown in figure 13, the two ends of connecting link 14 are equipped with screw thread, wherein the reach of one end is longer than the other end, one end of connecting link 14 long screw threads, through the first through hole 26, is bolted with the first fixed head 10 and realizes and being connected.The first fixed head 10 Central Symmetries have two grooves 27 and four the second through holes 28, are used for fixing O type rubber seal 22.The first fixed head 10 centers have circular third through-hole 29, be used for alleviating the weight of the first fixed head 10, in circular third through-hole 29 peripheries, have two the 3rd threaded holes 30, one end of installing plate 13 is connected by bolt and first fixed head 10 realizations of inserting in the 3rd threaded hole 30.The first fixed head 10 circumferencial directions have O shape groove 31, are used for mounting O-shaped rubber seal 22; O type rubber seal 22 radially caves inward in the position of offering of groove 27, and is fixed on by connection cord the second through hole 28 of offering on the first fixed head 10.As shown in Fig. 8 A, Fig. 8 B, the second fixed head 17 upper ends have a unthreaded hole 32, and along the circumferential direction have three the 4th threaded holes 33, one end of four connecting links 14 through the first through hole 26, be bolted with the first fixed head 10 and be connected, as shown in figure 12, register pin 18 is offered female the 5th threaded hole 34 of system, wherein the other end of a connecting link 14 is threaded connection with register pin 18 and realizes and being connected, and the connecting link that connects register pin 18 is threaded connection with the second fixed head 17 and realizes and being connected through unthreaded hole 32; Connecting link 14 other ends of another three insert respectively in three the 4th threaded holes 33, are threaded connection with the second fixed head 17 and realize and being connected.Identical with the first fixed head 10, the second fixed head 17 Central Symmetries have two grooves 27 and four the second through holes 28, are used for fixing O type rubber seal 22.The second fixed head 17 centers have circular third through-hole 29, be used for alleviating the second fixed head 17 weight, in circular third through-hole 29 peripheries, have two the 3rd threaded holes 30, the other end of installing plate 13 is connected by bolt and second fixed head 17 realizations of inserting in the 3rd threaded hole 30.The second fixed head 17 circumferencial directions have O shape groove 31, are used for mounting O-shaped rubber seal 22; O type rubber seal 22 radially caves inward in the position of offering of groove 27, and is fixed on by connection cord the second through hole 28 of offering on the second fixed head 17.
As shown in Figure 11 A, Figure 11 B and Figure 11 C, on installing plate 13, have a plurality of threaded holes, two ends all upwards bend and have threaded hole, by bolt and first and second fixed head 10,17, are connected.Battery fixed band 11 is bolted to be realized electric battery 21 to be connected with installing plate 13; Gathering control panel 15, data reads plate 16 and depth test plate 20 and is bolted respectively with installing plate 13 and realizes and being connected; MOX module fixed band 12 is bolted to be realized MOX module 19 to be connected with installing plate 13.Collection control panel 15 of the present utility model, depth test plate 20 and data read plate 16 for prior art, and electric battery 21 and MOX module 19 are commercial product.
As shown in Fig. 9 A, Fig. 9 B, battery fixed band 11 is " U " shape, and the two ends of opening are connected with respectively bolt, and battery fixed band 11 is pressed in electric battery 21, and the bolt by two ends is connected with the threaded hole on installing plate 13.As shown in Figure 10 A, Figure 10 B, MOX module fixed band 12 is " U " shape, and the two ends of opening stretch out and have threaded hole, by bolt, are connected with the threaded hole on installing plate 13.
The O type rubber seal 22 of electronics shelf structure 5 integral body by first and second fixed head 10,17 with cabin body 4 inwall butts, realize circumferencial direction and fix; The inwall butt of one end of electronics shelf structure 5 by limited block 9 and the first end cap 2, realize axial fixing, the other end of electronics shelf structure 5 by register pin 18 insert cotter way 24 on the second end caps 7, realize circumferencial direction without rotation.
Principle of work of the present utility model is:
The utility model can be applied among 5000m deep-sea, does not rely on the energy and the signal support of surface ship, realizes the detection of polymorphic type and size deep-sea watertight performance of connector in deep-sea.
First needed the assembling of the utility model structure and instrument.By bolt and be threaded and assemble electronics shelf structure 5.Within electronics shelf structure 5 is put into cabin body 4, loose wire in the socket cabin of deep-sea watertight connector 8 is connected with electronics shelf structure 5; Being connected and underwater sealing of first and second end cap 2,7 and cabin body 4 will be realized by cabin body hermetically-sealed construction 3; By watertight cable 6, connect the first end caps 2 and deep-sea watertight connector receptable corresponding on the second end cap 7.
After all structures and instrument have been assembled, by pre-set deep-sea watertight connector receptable, be first electric battery 21 chargings, after battery is full of, used weather proof receptacle good seal.Then by pre-set deep-sea watertight connector, realize electric battery 21 for collection control panel 15, data read plate 16, depth test plate 20 is powered.Gather control panel 15 and be connected, be responsible for the constantly performance (as resistance value under insulating property, break-make performance and high undersea hydrostatic pressures condition) of test deep-sea watertight connector with deep-sea watertight connector, test result is passed to data and is read plate 16.Depth test plate 20 is connected with deep-water pressure sensor 1, constantly tests extraneous depth data, and test result is passed to data and read plate 16.Data read plate 16 and are responsible for receiving and store data in whole extra large examination process.After whole deep-sea test completes, by pre-set deep-sea watertight connector interface, be connected to computing machine and come reading out data to read the data in plate.
The utility model can detect the performance of deep-sea watertight connector when dark in different seas in real time, and trystate conforms to actual condition height, and test result has credibility highly.
Use the utility model to test the deep-sea watertight performance of connector of different installation dimensions, only need on end cap, open the threaded hole of corresponding its installation dimension.The utility model can be tested the deep-sea watertight performance of connector of multiple different model simultaneously, has guaranteed like this utility model applicability widely.
After having tested, stop electric battery 21 pairs of collection control panels 15, data and read plate 16,20 power supplies of depth test plate, and adopt fresh water that this equipment is rinsed well.
Deep-water pressure sensor 1 of the present utility model is commercial product, purchases the company in gems, and model is 3100 serial compact-type high-pressure OEM pressure units.Electric battery 21 is commercial product, purchases in Liaoning Jiu Yi energy science and technology incorporated company, and model is SYZDH001-1ZT.MOX module 19 is commercial product, purchases in MOX China Automation Co., Ltd, and model is TCC-80I V1.3.
Claims (7)
1. an autonomous device that detects deep-sea watertight performance of connector, it is characterized in that: comprise cabin body (4), end cap, electronics shelf structure (5), watertight cable (6), deep-sea watertight connector (8) and deep-water pressure sensor (1), the two ends of its middle deck body (4) are sealedly connected with respectively end cap, described electronics shelf structure (5) is placed in cabin body (4), and with cabin body (4) inwall butt, the depth test plate (20) that this electronics shelf structure (5) is provided with electric battery (21) and is electrically connected to described electric battery (21) respectively, gather control panel (15), MOX module (19), data read plate (16), on the end cap at described cabin body (4) two ends, be respectively equipped with deep-sea watertight connector (8), on the end cap of described two ends, between corresponding deep-sea watertight connector (8), by watertight cable (6), be connected, described deep-water pressure sensor (1) is installed on the end cap of one end in office, and this deep-water pressure sensor (1) is electrically connected to described depth test plate (20) by electric wire in cabin body (4) inside.
2. by the autonomous device that detects deep-sea watertight performance of connector described in claim 1, it is characterized in that: described electronics shelf structure (5) by O type rubber seal (22) and cabin body (4) inwall butt, realize circumferencial direction and fix, one end of this electronics shelf structure (5) is provided with the limited block of cabin body (4) one end end cap inwall butt, realizes axial location, and the other end of electronics shelf structure (5) is provided with the register pin (18) of pegging graft with cabin body (4) other end end cap, realizes circumferencial direction location.
3. by the autonomous device that detects deep-sea watertight performance of connector described in claim 1 or 2, it is characterized in that: described electronics shelf structure (5) comprises installing plate (13), limited block (9), register pin (18) and is connected in the fixed head at this installing plate (13) two ends, on the fixed head at described installing plate (13) two ends, cover has O type rubber seal (22), by this O type rubber seal (22) and described cabin body (4) inwall butt; The fixed head of described installing plate (13) one end is provided with the described limited block (9) with this end end cap inwall butt, the fixed head of the other end is pegged graft by described register pin (18) and this end end cap, has the cotter way (24) inserting for register pin (18) on the described end cap relative with installing plate (13) other end fixed head.
4. by the autonomous device that detects deep-sea watertight performance of connector described in claim 3, it is characterized in that: between the fixed head at described installing plate (13) two ends, be provided with many connecting links (14), one end of arbitrary connecting link (14) is passed, is threaded with described register pin (18) by the fixed head of this end.
5. by the autonomous device that detects deep-sea watertight performance of connector described in claim 3, it is characterized in that: the fixed head at described installing plate (13) two ends is circular slab, the centre of each fixed head all has through hole, and on each fixed head, all Central Symmetry has two grooves (27); Described in each, the circumferencial direction of fixed head all has the O shape groove (31) of accommodating O type rubber seal (22), described O type rubber seal (22) radially caves inward in the position of offering of described groove (27), and is fixed on fixed head by connection cord.
6. by the autonomous device that detects deep-sea watertight performance of connector described in claim 3, it is characterized in that: described depth test plate (20), collection control panel (15), MOX module (19) and data read plate (16) and are installed on respectively on installing plate (13), by described electric battery (21) power supply, described depth test plate (20) and gather control panel (15) and read plate (16) with data respectively and be electrically connected to, test result is passed to data read plate (16).
7. by the autonomous device that detects deep-sea watertight performance of connector described in claim 1, it is characterized in that: the threaded hole that all has a plurality of installation deep-water pressure sensors (1) or corresponding model deep-sea watertight connector (8) on the end cap at described cabin body (4) two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420460126.2U CN204008924U (en) | 2014-08-13 | 2014-08-13 | The autonomous device that detects deep-sea watertight performance of connector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420460126.2U CN204008924U (en) | 2014-08-13 | 2014-08-13 | The autonomous device that detects deep-sea watertight performance of connector |
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| CN204008924U true CN204008924U (en) | 2014-12-10 |
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| CN201420460126.2U Expired - Fee Related CN204008924U (en) | 2014-08-13 | 2014-08-13 | The autonomous device that detects deep-sea watertight performance of connector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334408A (en) * | 2014-08-13 | 2016-02-17 | 中国科学院沈阳自动化研究所 | Device for autonomous detection of deep sea watertight socket connector performances |
| CN108603775A (en) * | 2016-12-15 | 2018-09-28 | 卡耐国际集团（香港）有限公司 | Underwater data collecting device and system |
| CN114267985A (en) * | 2020-09-16 | 2022-04-01 | 中国船舶重工集团公司第七六0研究所 | Sealing connection device for underwater pressure measurement |
-
2014
- 2014-08-13 CN CN201420460126.2U patent/CN204008924U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334408A (en) * | 2014-08-13 | 2016-02-17 | 中国科学院沈阳自动化研究所 | Device for autonomous detection of deep sea watertight socket connector performances |
| CN105334408B (en) * | 2014-08-13 | 2018-08-14 | 中国科学院沈阳自动化研究所 | A kind of device of autonomous detection deep-sea watertight performance of connector |
| CN108603775A (en) * | 2016-12-15 | 2018-09-28 | 卡耐国际集团（香港）有限公司 | Underwater data collecting device and system |
| CN108603775B (en) * | 2016-12-15 | 2019-04-30 | 孙兆华 | Underwater data acquires equipment and system |
| CN114267985A (en) * | 2020-09-16 | 2022-04-01 | 中国船舶重工集团公司第七六0研究所 | Sealing connection device for underwater pressure measurement |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20170813 |