CN104868369B - A kind of junction box in seafloor observation network interconnection device - Google Patents
A kind of junction box in seafloor observation network interconnection device Download PDFInfo
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- CN104868369B CN104868369B CN201510261777.8A CN201510261777A CN104868369B CN 104868369 B CN104868369 B CN 104868369B CN 201510261777 A CN201510261777 A CN 201510261777A CN 104868369 B CN104868369 B CN 104868369B
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- 239000004065 semiconductor Substances 0.000 claims abstract description 46
- 239000013535 sea water Substances 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000000737 periodic effect Effects 0.000 abstract description 3
- 230000000875 corresponding effect Effects 0.000 description 12
- 230000015556 catabolic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A kind of interconnection device of junction box in seafloor observation network disclosed by the invention, including the high-pressure vacuum switch, two high-voltage diodes and the control circuit that possess the single-pole single-throw(SPST holding function, described control circuit includes six current-limiting resistances, six Zener diodes, four semiconductor switch pipes, four drivers and two controllers；The present invention, by the use of different grades of forward voltage as the control signal of interconnection device, realizes carrying out active control to the different conditions of interconnection device high-pressure vacuum switch, the access of the box that completes to plug into/cut out action.When junction box in seafloor observation network breaks down or needs periodic maintenance, this box of plugging into can be isolated effectively and in time, this box of plugging into is made to cut out from whole seabed observation network, do not affect the normal work of other boxes of plugging into, and after the maintenance work completing this box of plugging into, this box of plugging into of active control accesses whole seabed observation network again.Present configuration is simple, and reliability is high.
Description
Technical field
The present invention designs a kind of junction box in seafloor observation network interconnection device, belongs to submarine observation network technical field.
Background technology
The construction of domestic submarine observation network has following common ground at present：Tree topology, sea water as current loop,
Negative high voltage direct current one pole is powered, and box of plugging into is also from single box of plugging into multiple box development of plugging into.With increasing of box quantity of plugging into,
When certain box of plugging into breaks down or needs periodic maintenance, how effectively simultaneously the reliability of seabed observation network is gradually lowered,
Isolate this box of plugging in time, so that this box of plugging into is cut out from whole seabed observation network, do not affect the normal of other boxes of plugging into
Work, and after completing the maintenance work of this box of plugging into, whole submarine observation can again be accessed by this box of plugging into active control
Network, is the problem that box submarine observation networks of plugging into have to consider and solve more.
Content of the invention
The purpose of the present invention is for the deficiencies in the prior art, provides a kind of junction box in seafloor observation network interconnection device, real
Now to sea in the box node tree-like cable system submarine observation networks of plugging into powered as current loop, negative high voltage direct current one pole using sea water more
Observational network the plug into access of box/cut out action in bottom carries out active control.
The junction box in seafloor observation network interconnection device of the present invention, including the high pressure vacuum possessing the single-pole single-throw(SPST holding function
Switch, two high-voltage diodes and control circuit, described control circuit include six current-limiting resistances, six Zener diodes,
Four semiconductor switch pipes, four drivers and two controllers；The negative pole of the first high-voltage diode and the second high-voltage diode
Positive pole all prop up cable with bank base and be connected, the positive pole of the first high-voltage diode connects the input of high-pressure vacuum switch, high pressure vacuum
The outfan of switch is plugged into box, one end of the negative pole of the second high-voltage diode and the first current-limiting resistance, the second current-limiting resistance
One end, one end of the 3rd current-limiting resistance, one end of the 4th current-limiting resistance, one end of the 5th current-limiting resistance and the 6th current-limiting resistance
One end connect, the other end of the first current-limiting resistance is connected with the negative pole of the first Zener diode, and the first Zener diode is just
Pole is connected with the power supply anode of the first driver, and the drive end of the first driver is connected with the grid of the first semiconductor switch pipe,
The other end of the second current-limiting resistance is connected with the negative pole of the second Zener diode, and the positive pole of the second Zener diode is led with the first half
The connection of power supply anode, the drive end of the second driver and second semiconductor switch of the drain electrode end of body switching tube and the second driver
Grid connection, the other end of the 3rd current-limiting resistance and the negative pole of the 3rd Zener diode and the power supply anode of the first controller of pipe
Port connects, the positive pole of the 3rd Zener diode, the power supply negative terminal port of the first controller and the leakage of the second semiconductor switch pipe
Pole connects, and two I/O of the first controller drive port to be connected with the two ends of the closure control coil of high-pressure vacuum switch respectively,
The other end of the 4th current-limiting resistance is connected with the negative pole of the 4th Zener diode, and the positive pole of the 4th Zener diode and the 3rd drives
The power supply anode of device connects, and the drive end of the 3rd driver is connected with the grid of the 3rd semiconductor switch pipe, the 5th current-limiting resistance
The other end be connected with the negative pole of the 5th Zener diode, the positive pole of the 5th Zener diode and the leakage of the 3rd semiconductor switch pipe
The power supply anode of pole and fourth drive connects, and the drive end of fourth drive is connected with the grid of the 4th semiconductor switch pipe,
The other end of the 6th current-limiting resistance is connected with the power supply anode port of the negative pole of the 6th Zener diode and second controller, and the 6th
The positive pole of Zener diode, the power supply negative terminal port of second controller are connected with the drain electrode of the 4th semiconductor switch pipe, the second control
Another two I/O of device processed drives port to be connected with the two ends of the disconnection control coil of high-pressure vacuum switch respectively, the first quasiconductor
The source electrode of switching tube, the source electrode of the second semiconductor switch pipe, the source electrode of the 3rd semiconductor switch pipe, the 4th semiconductor switch pipe
Power negative terminal, the 3rd driver of the power supply negative terminal of source electrode and the first driver, the second driver is powered negative terminal, fourth drive
Power supply negative terminal all connects sea water ground.
In technique scheme, four described semiconductor switch pipes can be switch mosfet pipe；Four described drives
Dynamic device can be switch mosfet pipe driving chip.
Four described semiconductor switch pipes can be IGBT switching tube；Four described drivers can switch for IGBT
Pipe driving chip.
Two described controllers can be single-chip microcomputer.
High-pressure vacuum switch in said apparatus is that a single-pole single-throw(SPST possesses the relay keeping function, has two controls
Coil, a control coil is used for controlling the disconnection of high-pressure vacuum switch, and another one coil controls closing of high-pressure vacuum switch
Close.When high-pressure vacuum switch is in a controlled state, only on another one coil during electricity, the controlled state of this vacuum switch
Just can change.
When bank base supply forward voltage, corresponding two control circuits of two control coils of this device can supply to bank base
The forward voltage given carries out selecting/ending, and determines whether can the enabling of control coil of high-pressure vacuum switch, when bank base supply
Forward voltage when being in the enable voltage window of control circuit setting, the power supply branch road of corresponding controller formed one complete
Whole current loop, controller obtains electric energy by Zener diode, and controller drives the control coil of high-pressure vacuum switch to open
Begin to charge, the corresponding actions of triggering high-pressure vacuum switch.
Operation principle is specific as follows：
A kind of junction box in seafloor observation network interconnection device disclosed by the invention utilizes different grades of forward voltage（Sea relatively
Water ground）As control signal it is assumed that submarine observation network has N number of box of plugging into, then 2N different grades of forward voltage is needed to make
Control signal for this junction box in seafloor observation network interconnection device.
When the forward voltage that submarine observation network is supplied to certain value is detected, all control circuits are carried out to this voltage
Judge, when this forward voltage is within the high and low pressure cutoff range that a certain control circuit sets, corresponding control circuit starts
Control coil for high-pressure vacuum switch is powered, and triggers corresponding high-pressure vacuum switch and is switched to corresponding working condition, controls
Box of accordingly plugging into accesses/cuts out seabed observation network.
When submarine observation network, certain box of plugging into breaks down or needs power-off service, bank base is for giving corresponding voltage etc.
The constant positive voltage of level, controls the disconnection action of this corresponding high-pressure vacuum switch of box of plugging into, the work of switching high-pressure vacuum switch
Make state to off-state, complete this plug into box and whole submarine observation network cuts out action, does not affect other and is just plugging into box
Often work.
When this box of plugging into completes corresponding maintenance work, bank base is for giving the constant positive voltage of corresponding voltage grade, control
Make the closed action of this corresponding high-pressure vacuum switch of box of plugging into, the working condition of switching high-pressure vacuum switch to closure state,
Complete this plug into box and access action of whole submarine observation network.
The junction box in seafloor observation network interconnection device of the present invention, is not only simple in structure, and can ensure that interconnection device
High-pressure vacuum switch always completion statuses switching action under zero current environment, reliability is high.When junction box in seafloor observation network occurs
Fault or when needing periodic maintenance, the interconnection device using the present invention can isolate effectively and in time this box of plugging into, and so that this is connect
Refute box to cut out from whole seabed observation network, do not affect the normal work of other boxes of plugging into, and complete this box of plugging into
After maintenance work, can again access whole seabed observation network by this box of plugging into of active control.
Brief description：
Schematic diagram when Fig. 1 uses in submarine observation network for the junction box in seafloor observation network interconnection device of the present invention；
Fig. 2 is the circuit theory diagrams of control circuit in the interconnection device of the present invention.
Specific embodiment：
Below in conjunction with accompanying drawing, the invention will be further described.
See figures.1.and.2, the interconnection device of the junction box in seafloor observation network of the present invention, including possessing the list holding function
The high-pressure vacuum switch S of single-pole single-throw, two high-voltage diodes D1, D2 and control circuit, described control circuit includes six limits
Leakage resistance R1-R6, six Zener diode Z1-Z6, four semiconductor switch pipe S1-S4, four drivers Q1-Q4 and two controls
Device K1, K2 processed；
The positive pole of the negative pole of the first high-voltage diode D1 and the second high-voltage diode D2 all props up cable with bank base and is connected, and first is high
The positive pole of pressure diode D1 connects the input of high-pressure vacuum switch S, and the outfan of high-pressure vacuum switch S is plugged into box, the
One end of the negative pole of two high-voltage diode D2 and the first current-limiting resistance R1, one end of the second current-limiting resistance R2, the 3rd current-limiting resistance
One end of R3, one end of one end, one end of the 5th current-limiting resistance R5 and the 6th current-limiting resistance R6 of the 4th current-limiting resistance R4 connect,
The other end of the first current-limiting resistance R1 is connected with the negative pole of the first Zener diode Z1, the positive pole of the first Zener diode Z1 and
The power supply anode of one driver Q1 connects, and the drive end of the first driver Q1 is connected with the grid of the first semiconductor switch pipe S1,
The other end of the second current-limiting resistance R2 is connected with the negative pole of the second Zener diode Z2, the positive pole of the second Zener diode Z2 and
The power supply anode of the drain electrode end of semiconductor switching tube S1 and the second driver Q2 connects, the drive end of the second driver Q2 and the
The grid of two semiconductor switch pipe S2 connects, the negative pole of the other end of the 3rd current-limiting resistance R3 and the 3rd Zener diode Z3 and the
The power supply anode port of one controller K1 connects, the positive pole of the 3rd Zener diode Z3, the power supply negative terminal end of the first controller K1
Mouthful be connected with the drain electrode of the second semiconductor switch pipe S2, two I/O driving ports of the first controller K1 respectively with high pressure vacuum
Two ends connection, the other end of the 4th current-limiting resistance R4 and the negative pole of the 4th Zener diode Z4 of the closure control coil C of switch S
Connect, the positive pole of the 4th Zener diode Z4 is connected with the power supply anode of the 3rd driver Q3, the drive end of the 3rd driver Q3
It is connected with the grid of the 3rd semiconductor switch pipe S3, the other end of the 5th current-limiting resistance R5 and the negative pole of the 5th Zener diode Z5
Connection, the drain electrode of the positive pole of the 5th Zener diode Z5 and the 3rd semiconductor switch pipe S3 and the power supply anode of fourth drive Q4
Connect, the drive end of fourth drive Q1 is connected with the grid of the 4th semiconductor switch pipe S4, and the 6th current-limiting resistance R6's is another
End is connected with the negative pole of the 6th Zener diode Z6 and the power supply anode port of second controller K2, the 6th Zener diode Z6's
Positive pole, the power supply negative terminal port of second controller K2 are connected with the drain electrode of the 4th semiconductor switch pipe S4, second controller K2's
Another two I/O drives port to be connected with the two ends of the disconnection control coil O of high-pressure vacuum switch S respectively, the first semiconductor switch
The source electrode of pipe S1, the source electrode of the second semiconductor switch pipe S2, the source electrode of the 3rd semiconductor switch pipe S3, the 4th semiconductor switch pipe
The power supply negative terminal of the source electrode of S4 and the first driver Q1, the second driver Q2 power negative terminal, the 3rd driver Q3 power negative terminal,
Fourth drive Q4 powers negative terminal with all connecing sea water.
In technique scheme, described four semiconductor switch pipe S1-S4 can using switch mosfet pipe or
IGBT switching tube；Four described accordingly drivers Q1-Q4 can be using switch mosfet pipe driving chip or IGBT switch
Pipe driving chip.
Two described controllers K1, K2 can be single-chip microcomputer.
Fig. 1 is the submarine observation network schematic diagram with multiple plug into box and interconnection devices, interconnection device use when, when
When the forward voltage that submarine observation network is supplied to is within the high and low pressure cutoff range that this interconnection device control circuit sets, phase
The control coil that the control circuit answered starts as high-pressure vacuum switch is powered, and triggers corresponding high-pressure vacuum switch and is switched to accordingly
Working condition, control box of accordingly plugging into access/cut out seabed observation network.
In order to explain that junction box in seafloor observation network interconnection device controls box of plugging into access/cut out the principle of submarine observation network,
Now so that one is plugged into box interconnection device as a example it is assumed that this is plugged into, the control voltage of box interconnection device is、Two control
Grade.
Assume submarine observation network bank base supply forward voltage, box branch road of plugging into is due to high-voltage diode（D1）Reverse
End and stop power supply, subsequent conditioning circuit does not all work.Because the reverse blanking voltage of Z2 is slightly below, the reverse cut-off electricity of Z1
Pressure is higher than, now Z2 reverse breakdown, Z1 ends, and driver Q1 does not work, and driver Q2 works, and provides drive signal to partly
Conductor switching tube S2, semiconductor switch pipe S2 close, and closure control coil controller branch road forms a current loop, controller
K1 obtains electric energy from Zener diode Z3, drives the closing coil C of high-pressure vacuum switch S to charge, triggering high-pressure vacuum switch S closes
Conjunction action, this box of plugging into accesses submarine observation network network.And now because the reverse blanking voltage of Z4, Z5 is all higher than, Z4 and
Z5 is turned off, and bank base supplies forward voltageThe control circuit disconnecting control coil is no affected.
When submarine observation network bank base directly feeds forward voltageWhen, Z1, Z2 in the control circuit of closure control coil
Reverse blanking voltage be respectively less than, now Z1 reverse breakdown voltage stabilizing, driver Q1 works, and provides drive signal to quasiconductor
Switching tube S1, semiconductor switch pipe S1 close, and driver Q2 is shorted, and semiconductor switch pipe S2 is off, closure control
Coil controllers branch road processed can not form a current loop, and controller K1 does not work.In the control circuit disconnecting control coil
In, because the reverse blanking voltage of Z5 is slightly below, the blanking voltage of Z4 is higher than, now Z5 reverse breakdown, Z4 still cuts
Only, driver Q3 does not work, and driver Q4 works, and provides drive signal to semiconductor switch pipe S4, semiconductor switch pipe S4 closes
Close, disconnect control coil controller branch road and form a current loop, controller K2 obtains electric energy from Zener diode Z6, drive
The disconnection coil O of high-pressure vacuum switch S charges, and triggers high-pressure vacuum switch S disconnection action, and this box of plugging into cuts out submarine observation network
Network.Due to adopting independent coil to control between the on off state of selected high-pressure vacuum switch S, so in same networking
Closure control coil C control circuit in device is similar in design principle with disconnection control coil O control circuit.
Claims (4)
1. a kind of junction box in seafloor observation network interconnection device is it is characterised in that include the height possessing the single-pole single-throw(SPST holding function
Pressure vacuum switch (S), two high-voltage diodes (D1, D2) and control circuit, described control circuit includes six current-limiting resistances
(R1-R6), six Zener diodes (Z1-Z6), four semiconductor switch pipes (S1-S4), four drivers (Q1-Q4) and two
Controller (K1, K2)；
The positive pole of the negative pole of the first high-voltage diode (D1) and the second high-voltage diode (D2) all props up cable with bank base and is connected, and first is high
The positive pole of pressure diode (D1) connects the input of high-pressure vacuum switch (S), and the outfan of high-pressure vacuum switch (S) is plugged into
Box, one end of the negative pole of the second high-voltage diode (D2) and the first current-limiting resistance (R1), one end of the second current-limiting resistance (R2),
One end of three current-limiting resistances (R3), one end of the 4th current-limiting resistance (R4), one end of the 5th current-limiting resistance (R5) and the 6th current limliting
One end of resistance (R6) connects, and the other end of the first current-limiting resistance (R1) is connected with the negative pole of the first Zener diode (Z1), the
The positive pole of one Zener diode (Z1) is connected with the power supply anode of the first driver (Q1), the drive end of the first driver (Q1) with
The grid connection of the first semiconductor switch pipe (S1), the other end of the second current-limiting resistance (R2) and the second Zener diode (Z2)
Negative pole connection, the drain electrode end of the positive pole of the second Zener diode (Z2) and the first semiconductor switch pipe (S1) and the second driver
(Q2) power supply anode connects, and the drive end of the second driver (Q2) is connected with the grid of the second semiconductor switch pipe (S2), the
The negative pole of the other end of three current-limiting resistances (R3) and the 3rd Zener diode (Z3) and the power supply anode end of the first controller (K1)
Mouth connects, the positive pole of the 3rd Zener diode (Z3), the power supply negative terminal port of the first controller (K1) and the second semiconductor switch
The drain electrode of pipe (S2) connects, and two I/O of the first controller (K1) drive the port closure control with high-pressure vacuum switch (S) respectively
The two ends of coil (C) processed connect, and the other end of the 4th current-limiting resistance (R4) is connected with the negative pole of the 4th Zener diode (Z4), the
The positive pole of four Zener diodes (Z4) is connected with the power supply anode of the 3rd driver (Q3), the drive end of the 3rd driver (Q3) with
The grid connection of the 3rd semiconductor switch pipe (S3), the other end of the 5th current-limiting resistance (R5) and the 5th Zener diode (Z5)
Negative pole connection, the positive pole of the 5th Zener diode (Z5) and the drain electrode of the 3rd semiconductor switch pipe (S3) and fourth drive (Q4)
Power supply anode connect, the drive end of fourth drive (Q1) is connected with the grid of the 4th semiconductor switch pipe (S4), and the 6th limits
The power supply anode port of the negative pole of the other end of leakage resistance (R6) and the 6th Zener diode (Z6) and second controller (K2) is even
Connect, the positive pole of the 6th Zener diode (Z6), the power supply negative terminal port of second controller (K2) and the 4th semiconductor switch pipe
(S4) drain electrode connects, and another two I/O of second controller (K2) drives the port disconnection control with high-pressure vacuum switch (S) respectively
The two ends of coil (O) processed connect, the source electrode of the first semiconductor switch pipe (S1), the source electrode of the second semiconductor switch pipe (S2), the
The power supply of the source electrode, the source electrode of the 4th semiconductor switch pipe (S4) and the first driver (Q1) of three semiconductor switch pipes (S3) is born
End, the second driver (Q2) power supply negative terminal, the 3rd driver (Q3) power supply negative terminal, fourth drive (Q4) power supply negative terminal all connect sea
Water ground；When bank base supplies forward voltage V1_CWhen, trigger high-pressure vacuum switch (S) closed action, the wherein second Zener diode
(Z2) reverse blanking voltage is slightly below V1_C, the reverse blanking voltage of the first Zener diode (Z1) is higher than V1_C, the 4th voltage stabilizing
Diode (Z4), the reverse blanking voltage of the 5th Zener diode (Z5) are all higher than V1_C, when bank base directly feeds forward voltage
V1_OWhen, trigger high-pressure vacuum switch (S) disconnection action, wherein first Zener diode (Z1), the second Zener diode (Z2)
Reversely blanking voltage is respectively less than V1_O, the reverse blanking voltage of the 5th Zener diode (Z5) is slightly below V1_O, the 4th voltage stabilizing two pole
The reverse blanking voltage of pipe (Z4) is higher than V1_O.
2. junction box in seafloor observation network interconnection device according to claim 1 is it is characterised in that described four quasiconductors
Switching tube (S1-S4) is switch mosfet pipe；Four described drivers (Q1-Q4) are switch mosfet pipe driving chip.
3. junction box in seafloor observation network interconnection device according to claim 1 is it is characterised in that described four quasiconductors
Switching tube (S1-S4) is IGBT switching tube；Four described drivers (Q1-Q4) switch pipe driving chip for IGBT.
4. junction box in seafloor observation network interconnection device according to claim 1 is it is characterised in that described two controllers
(K1, K2) is single-chip microcomputer.
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| CN201510261777.8A CN104868369B (en) | 2015-05-21 | 2015-05-21 | A kind of junction box in seafloor observation network interconnection device |
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| CN201510261777.8A CN104868369B (en) | 2015-05-21 | 2015-05-21 | A kind of junction box in seafloor observation network interconnection device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105807664A (en) * | 2016-04-25 | 2016-07-27 | 浙江大学 | Underwater splitter based on high-low level digital signal control |
| CN108711844B (en) * | 2018-04-19 | 2021-06-22 | 同济大学 | High-voltage electric switching type splitter of submarine observation network with rapid relay protection |
| CN108988312B (en) * | 2018-07-24 | 2020-10-30 | 中天海洋系统有限公司 | Electric energy distribution system of secondary connection box of submarine observation network and submarine observation network system |
| CN109474170B (en) * | 2018-10-31 | 2020-05-19 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Power supply circuit of seabed connection box |
| CN111176185B (en) * | 2020-01-07 | 2024-07-09 | 北京海兰信数据科技股份有限公司 | DC medium voltage isolation output control system for submarine observation network |
| CN111641199B (en) * | 2020-05-07 | 2021-12-28 | 中国科学院声学研究所 | Overvoltage protection device and method applied to submarine observation network connection box |
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| US8340526B2 (en) * | 2009-07-08 | 2012-12-25 | Woods Hole Oceanographic Institution | Fiber optic observatory link for medium bandwidth data communication |
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