CN201312109Y - Fill nitrogen connection box - Google Patents
Fill nitrogen connection box Download PDFInfo
- Publication number
- CN201312109Y CN201312109Y CNU2008202203886U CN200820220388U CN201312109Y CN 201312109 Y CN201312109 Y CN 201312109Y CN U2008202203886 U CNU2008202203886 U CN U2008202203886U CN 200820220388 U CN200820220388 U CN 200820220388U CN 201312109 Y CN201312109 Y CN 201312109Y
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- casing
- connector
- cable
- terminal box
- optical fiber
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- Expired - Fee Related
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Abstract
The utility model relates to an underwater robot operation device, in particular to a fill nitrogen connection box which connects high and low voltage electric signals of a cable end, and optical fiber signals to a slip-ring buttcock line end, and realizes electric signal switching. The fill nitrogen connection box comprises a box body, a high voltage terminal, a low voltage terminal, an optical fiber conversion connector and a cover plate, wherein the cover plate is sealed on the box body, one end of the box body is provided with a cable connector for a cable to thread through, the other end is provided with a flange connector for the slip-ring buttcock line to thread through, an air inflation connector, a pressure-limiting valve and an air-vent sealing plug are respectively arranged on one side of the box body, the high voltage terminal and the low voltage terminal are respectively installed in the box body in an insulating mode, the optical fiber conversion connector is installed in the box body, and a corresponding signal on the cable which is threaded into the connection box is connected to the slip-ring buttcock line through the high voltage terminal, the low voltage terminal and the optical fiber conversion connector. The fill nitrogen connection box has the advantages of good oxidation resisting and corrosion-resisting performance, reliable cable fixation, good sealing effect, good sealing performance of the connection box, high insulating property and the like.
Description
Technical field
The utility model relates to the underwater robot apparatus for work, and the specifically a kind of high and low pressure signal of telecommunication and fiber-optic signal with cut cable is forwarded to slip ring buttock line end, and that realizes signal of telecommunication switching fills the nitrogen terminal box.
Background technology
Underwater robot is the robot of operation in a kind of environment under water, and dynamic signal of palpus and control signal when underwater robot will carry out underwater operation so just can make robot carrier finish relevant motion and action under water according to instruction.Wherein, the transmission of the signal of telecommunication and conversion are by high voltage control cabinet, low-voltage power distributing cabinet and terminal box etc., and by the armouring cable power signal and control signal are passed to the underwater robot carrier, thereby realization underwater robot carrier is finished job task under water.
At present, for the conversion of underwater robot power signal and control signal, generally be to adopt between cable and the slip ring by cable joint or the mode by the terminal box switching to realize.For the mode of transferring by cable joint between cable and the slip ring, cable joint is low useful life, be easy to break down, and poor reliability, and can not transmit fiber-optic signal, transmission length is restricted, and is only applicable to the operation of middle-size and small-size underwater robot; For mode by the terminal box switching, the poor sealing performance of existing terminal box, particularly for the long-term equipment that aboard ship uses, extraneous malaria enters terminal box inside easily, causes the insulating properties of terminal box inside to descend the system works instability, and the easy oxidation in binding post and joint, corrosion, thereby reduced the useful life of binding post and joint, occurred apparatus failure easily simultaneously, reduced the reliability of system.
The utility model content
The purpose of this utility model is to provide a kind of nitrogen terminal box of filling, and is applicable to the switching of power signal and control signal and then realizes driving and control to the underwater robot carrier by cable.
The purpose of this utility model is achieved through the following technical solutions:
The utility model comprises casing, HV Terminal, low-voltage terminal, optical fiber crossover sub and cover plate, and cover plate for sealing is on casing, and an end of casing is equipped with the cable connector that current supply cable penetrates, and the other end is provided with the bump joint that penetrates for the slip ring buttock line; Side at casing is respectively equipped with gas-charging connection, pressure limiting valve and exhaust outlet shutoff; Insulating mounting is in casing respectively for the high and low pressure terminal, and the optical fiber crossover sub is installed in the casing; The respective signal that penetrates on the cable of terminal box inside is forwarded to the slip ring buttock line by high and low pressure terminal and optical fiber crossover sub.
Wherein: described cable connector comprises locking nut, connector and compresses plug screw, and an end of connector is positioned at casing, and the other end is positioned at outside the casing, locking nut and compress plug screw and be threaded with the two ends of connector respectively; Coaxial successively vertically sealing ring, the clamping pad of being provided with compresses plug screw and is connected to clamping pad in the inside of connector; The base plate of described casing is provided with intercell connector, on intercell connector, up and down respectively be connected with the band guide rail insulation board, the high and low pressure terminal is installed in respectively on two guide rails; Casing one side is provided with three Connection Blocks, and gas-charging connection, pressure limiting valve and exhaust outlet shutoff are connected on the Connection Block; Connection Block is provided with internal thread, and gas-charging connection, pressure limiting valve and exhaust outlet shutoff are threaded with Connection Block respectively; The seam of gas-charging connection, pressure limiting valve and exhaust outlet shutoff lays respectively at the outer surface of Connection Block; Side arm in the casing is provided with contiguous block, and the optical fiber crossover sub is installed on the contiguous block by structure of fiber_optic; Be respectively equipped with the ear seat at the two ends of box bottom; Clamping has rubber blanket between casing and the cover plate; Between cable connector and the casing, between gas-charging connection and the Connection Block, between pressure limiting valve and the Connection Block and be respectively equipped with the O RunddichtringO between exhaust outlet shutoff and the Connection Block.
Advantage of the present utility model and good effect are:
1. anti-oxidant, corrosive nature is good.The inner inflated with nitrogen of terminal box makes terminal box inside and isolate from outer air, and interior humidity is little, prevents oxidation, the corrosion of pair of wire connection terminals and joint, improves reliability.
2. cable is fixing reliable, good sealing effect.Cable is fixed on the terminal box by cable connector, by the contact effect that realize sealing and axial restraint of cable connector inner sealing ring with the cable outer surface.
3. terminal box good seal performance.Between box cover and casing rubber seal is arranged, guarantee that sealing is reliable.
4. insulation property height.Between binding post and the box bottom insulation board is arranged, guarantee insulation property.
5. the terminal box inner space is big, is easy to the back panel wiring operation.
6. limited valve on the terminal box can limit the maximum pressure value of terminal box inside, guarantees the safety of structure of terminal box.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of cable connector among Fig. 1;
Wherein: 1 is casing, and 2 is cable connector, and 3 is the ear seat, and 4 is intercell connector, 5 is HV Terminal, and 6 is insulation board, and 7 is guide rail, and 8 is Connection Block, 9 is gas-charging connection, and 10 is pressure limiting valve, and 11 is the exhaust outlet shutoff, and 12 is low-voltage terminal, 13 is flange, and 14 is bump joint, and 15 is contiguous block, and 16 is structure of fiber_optic, 17 is the optical fiber crossover sub, and 18 is rubber blanket, and 19 is cover plate, and 20 is locking nut, 21 is connector, and 22 is sealing ring, and 23 is clamping pad, and 24 for compressing plug screw.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Shown in Fig. 1～2, the utility model comprises casing 1, HV Terminal 5, low-voltage terminal 12, optical fiber crossover sub 17 and cover plate 19, casing 1 is the inner hollow structure, have circular hole on it on the plane, cover plate 19 is installed on the last plane of casing 1 by this circular hole, between casing 1 and cover plate 19, be provided with rubber blanket 18, to guarantee the sealing of terminal box; One end of casing 1 has the hole, and cable connector 2 passes this hole, is installed on the casing 1, the other end outside of casing 1 is provided with flange 13, be connected with bump joint 14 on the flange 13, be provided with the O RunddichtringO between the two, on the casing 1 around the flange 13, have the fabrication hole concentric with flange 13; Be provided with three Connection Blocks 8 in the outside of casing 1 one sides, have the fabrication hole concentric with Connection Block 8 on the casing 1 around each Connection Block 8, the link of each Connection Block 8 is provided with internal thread; Gas-charging connection 9, pressure limiting valve 10 and exhaust outlet shutoff 11 are threaded with Connection Block 8 respectively, the seam of gas-charging connection 9, pressure limiting valve 10 and exhaust outlet shutoff 11 links lays respectively at the outer surface of Connection Block 8, is respectively equipped with the O RunddichtringO between gas-charging connection 9, pressure limiting valve 10 and exhaust outlet shutoff 11 and the Connection Block 8; Intercell connector 4 is fixed on casing 1 internal backplane, intercell connector 4 is provided with screwed hole, two insulation boards 6 are installed in up and down respectively on the last plane of intercell connector 4, and insulation board 6 is provided with screwed hole, and two guide rails 7 are installed in the surface of two insulation boards 6 respectively by screwed hole; HV Terminal 5 is fixed near on the guide rail 7 of cable connector 2 one ends, and low-voltage terminal 12 is fixed near on the guide rail 7 of flange 13 ends; Contiguous block 15 is fixed on the casing 1 inner side plate, contiguous block 15 is provided with screwed hole, structure of fiber_optic 16 is installed on contiguous block 15 outer surfaces, and structure of fiber_optic 16 has for the circular hole that optical fiber crossover sub 17 is installed, and optical fiber crossover sub 17 is installed on the structure of fiber_optic 16 by circular hole.
As shown in Figure 3, cable connector 2 comprises locking nut 20, connector 21 and compresses plug screw 24, and an end of connector 21 is positioned at casing 1, and the other end is positioned at outside the casing 1, the end that connector 21 is positioned at casing 1 is threaded with locking nut 20, and is installed on the casing 1 by locking nut 20; The sealing ring 22 coaxial ends that are set in connector 21 inside and are connected to connector 21 inside, clamping pad 23 is coaxial, and to be set in connector 21 inner and be connected to place, sealing ring 22 outer faces, compresses coaxial the screwing of plug screw 24 and be installed in connector 21 and be positioned at the outer end of casing 1 and be connected on clamping pad 23 outerplanars; Be provided with the O RunddichtringO between connector 21 and the casing 1.
Cable one end penetrates terminal box inside by cable connector 2, compresses plug screw 24 by screwing, and the axial direction of cable is located; The slip ring buttock line penetrates terminal box inside by bump joint 14, and the HV Terminal 5 by terminal box inside, low-voltage terminal 12, optical fiber crossover sub 17 with signal converting corresponding on the cable to the slip ring buttock line.
On casing 1 bottom surface, be provided with ear seat 3, have fabrication hole on the ear seat 3, be convenient to the integral installation of terminal box.
The concrete assembling of the utility model is as follows:
Utilize the circular hole of casing 1 one ends and the seam positioning action of connector 21 1 ends connector 21 and casing 1 to be fitted together by locking nut 20; Sealing ring 22 and clamping pad 23 be along the connector 21 axial coaxial inside that are set in connector 21, and to be combined on connector 21 other ends fixing with sealing ring 22 and clamping pad 23 by compressing plug screw 24; Bump joint 14 is by seam boss positioning action on the flange 13 and be fixed in screw on the end face of flange 13, also is provided with the O RunddichtringO between flange 13 and bump joint 14; Gas-charging connection 9 is fixed on by being threaded on the following Connection Block 8, and the seam end of gas-charging connection 9 is positioned at the outer surface of this Connection Block 8, is provided with the O RunddichtringO between gas-charging connection 9 and Connection Block 8; On the Connection Block 8 in the middle of pressure limiting valve 10 is fixed on by being threaded, the seam end of pressure limiting valve 10 is positioned at the outer surface of this Connection Block 8, is provided with the O RunddichtringO between pressure limiting valve 10 and Connection Block 8; On the Connection Block 8 that exhaust outlet shutoff 11 is fixed in the above by being threaded, the seam end of exhaust outlet shutoff 11 is positioned at the outer surface of this Connection Block 8, is provided with the O RunddichtringO between exhaust outlet shutoff 11 and Connection Block 8; Two insulation boards 6 insert screwed hole by screw respectively and are installed on the last plane of intercell connector 4, and two guide rails 7 insert the outer surface that screwed hole is fixed in two insulation boards 6 by screw respectively; HV Terminal 5 links together by the guide rail 7 of the draw-in groove on it with close cable connector 2 ends, and low-voltage terminal 12 links together by the guide rail 7 of the draw-in groove on it with close flange 13 ends; Utilize the screwed hole on the contiguous block 15 and insert screwed hole structure of fiber_optic 16 and contiguous block 15 are linked together by screw; Utilize circular hole on the structure of fiber_optic 16 with optical fiber crossover sub 17 coaxial being installed on the structure of fiber_optic 16; Cable one end penetrates terminal box inside by cable connector 2, compress plug screw 24 and make sealing ring 22 produce strains by screwing, cause sealing ring 22 and cable outer surface to link together tightly, both can guarantee the sealing between cable connector 2 and the cable, the axial direction of cable is located; The slip ring buttock line penetrates terminal box inside by bump joint 14, and by HV Terminal, low-voltage terminal, the optical fiber crossover sub of terminal box inside high-voltage signal, low-voltage signal and fiber-optic signal corresponding on the cable is forwarded to slip ring buttock line end; Utilize on the casing 1 circular hole on the plane rubber blanket 18 and cover plate 19 to be linked together with casing 1 by screw.
Operation principle of the present utility model is:
Cable is introduced terminal box inside by cable connector 2, compress plug screw 24 and make sealing ring 22 be subjected to the effect of axial force by screwing, thereby sealing ring 22 produces the elastic deformation amount, sealing ring 22 links together tightly with the cable outer surface like this, compress the elastic deformation amount that plug screw 24 and the screwing length of connector 21 can be controlled sealing ring 22 by adjusting, make that the frictional force between sealing ring 22 and the cable outer surface is controlled, so both can guarantee the sealing between cable connector 2 and the cable, the axial direction of cable is located; High-voltage signal, low tension signal, the fiber-optic signal of introducing the cable correspondence of terminal box inside are forwarded to slip ring buttock line end by HV Terminal 5, low-voltage terminal 12, the optical fiber crossover sub 17 of terminal box inside respectively, and power signal and control signal are passed to the underwater robot carrier, thereby can realize that the underwater robot carrier finishes job task under water by the armouring cable.Utilize nitrogen charging device by the gas-charging connection on the terminal box 9 to the inner inflated with nitrogen of terminal box, by the exhaust outlet on the terminal box air displacement of terminal box inside is gone out, with exhaust outlet shutoff 11 exhaust outlet is shut sealing then, the force value of setting by pressure limiting valve 10 makes the certain interior pressure of the inner formation of terminal box, cause outside air can not enter terminal box inside, guarantee that terminal box inside remains the environment of certain pressure nitrogen, guarantee the binding post and the not oxidation by air of joint of terminal box inside, corrosion, improve the reliability of signal of telecommunication transmission and converting system, thereby guaranteed the reliability of underwater robot system works.
High and low pressure terminal of the present utility model is commercial product, and HV Terminal is purchased the company in German WAGO (ten thousand can), and model is 283-601; Low-voltage terminal is purchased the company in German WAGO, and model is 280-901; Optical fiber crossover sub of the present utility model is commercial product, purchases the company in U.S. TYCO (safe section), and model is RS 252-8617.
Claims (9)
1. one kind is filled the nitrogen terminal box, it is characterized in that: comprise casing (1), HV Terminal (5), low-voltage terminal (12), optical fiber crossover sub (17) and cover plate (19), cover plate (19) is sealed on the casing (1), one end of casing (1) is equipped with the cable connector (2) that current supply cable penetrates, and the other end is provided with the bump joint (14) that penetrates for the slip ring buttock line; Side at casing (1) is respectively equipped with gas-charging connection (9), pressure limiting valve (10) and exhaust outlet shutoff (11); Insulating mounting is in casing (1) respectively for high and low pressure terminal (5,12), and optical fiber crossover sub (17) is installed in the casing (1); The respective signal that penetrates on the cable of terminal box inside is forwarded to the slip ring buttock line by high and low pressure terminal (5,12) and optical fiber crossover sub (17).
2. by the described nitrogen terminal box of filling of claim 1, it is characterized in that: described cable connector (2) comprises locking nut (20), connector (21) and compresses plug screw (24), one end of connector (21) is positioned at casing (1), the other end is positioned at outside the casing (1), locking nut (20) and compress plug screw (24) and be threaded with the two ends of connector (21) respectively; Coaxial successively vertically sealing ring (22), the clamping pad (23) of being provided with compresses plug screw (24) and is connected to clamping pad (23) in the inside of connector (21).
3. by the described nitrogen terminal box of filling of claim 1, it is characterized in that: the base plate of described casing (1) is provided with intercell connector (4), go up, respectively be connected with up and down the insulation board (6) of band guide rail (7) at intercell connector (4), high and low pressure terminal (5,12) is installed in respectively on two guide rails (7).
4. by the described nitrogen terminal box of filling of claim 1, it is characterized in that: described casing (1) one side is provided with three Connection Blocks (8), and gas-charging connection (9), pressure limiting valve (10) and exhaust outlet shutoff (11) are connected on the Connection Block (8).
5. by the described nitrogen terminal box of filling of claim 4, it is characterized in that: described Connection Block (8) is provided with internal thread, and gas-charging connection (9), pressure limiting valve (10) and exhaust outlet shutoff (11) are threaded with Connection Block (8) respectively; The seam of gas-charging connection (9), pressure limiting valve (10) and exhaust outlet shutoff (11) lays respectively at the outer surface of Connection Block (8).
6. by the described nitrogen terminal box of filling of claim 1, it is characterized in that: the side arm in the described casing (1) is provided with contiguous block (15), and optical fiber crossover sub (17) is installed on the contiguous block (15) by structure of fiber_optic (16).
7. by the described nitrogen terminal box of filling of claim 1, it is characterized in that: the two ends at casing (1) base plate are respectively equipped with ear seat (3).
8. by the described nitrogen terminal box of filling of claim 1, it is characterized in that: clamping has rubber blanket (18) between described casing (1) and the cover plate (19).
9. by claim 1 or the 4 described nitrogen terminal boxes of filling, it is characterized in that: between cable connector (2) and the casing (1), between gas-charging connection (9) and the Connection Block (8), between pressure limiting valve (10) and the Connection Block (8) and be respectively equipped with the O RunddichtringO between exhaust outlet shutoff (11) and the Connection Block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202203886U CN201312109Y (en) | 2008-12-05 | 2008-12-05 | Fill nitrogen connection box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202203886U CN201312109Y (en) | 2008-12-05 | 2008-12-05 | Fill nitrogen connection box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201312109Y true CN201312109Y (en) | 2009-09-16 |
Family
ID=41109364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202203886U Expired - Fee Related CN201312109Y (en) | 2008-12-05 | 2008-12-05 | Fill nitrogen connection box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201312109Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166157A (en) * | 2011-12-19 | 2013-06-19 | 威方科技(苏州)有限公司 | Junction box |
| CN113325521A (en) * | 2021-05-21 | 2021-08-31 | 中国电子科技集团公司第十四研究所 | Super multichannel optical fiber rotary connector |
-
2008
- 2008-12-05 CN CNU2008202203886U patent/CN201312109Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166157A (en) * | 2011-12-19 | 2013-06-19 | 威方科技(苏州)有限公司 | Junction box |
| CN113325521A (en) * | 2021-05-21 | 2021-08-31 | 中国电子科技集团公司第十四研究所 | Super multichannel optical fiber rotary connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090916 Termination date: 20100105 |