CN104868369A - Connection box networking apparatus for seabed observation network - Google Patents

Connection box networking apparatus for seabed observation network Download PDF

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Publication number
CN104868369A
CN104868369A CN201510261777.8A CN201510261777A CN104868369A CN 104868369 A CN104868369 A CN 104868369A CN 201510261777 A CN201510261777 A CN 201510261777A CN 104868369 A CN104868369 A CN 104868369A
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China
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semiconductor switch
current
voltage stabilizing
limiting resistance
stabilizing didoe
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CN201510261777.8A
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CN104868369B (en
Inventor
杨灿军
张志峰
徐菲菲
陈燕虎
金波
李德骏
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Zhejiang University ZJU
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Zhejiang University ZJU
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Abstract

The invention discloses a connection box networking apparatus for a seabed observation network. The connection box networking apparatus comprises a single-pole single-throw high-voltage vacuum switch with locking function, two high-voltage diodes and a control circuit, wherein the control circuit comprises six current-limiting resistors, six Zener diodes, four semiconductor switch tubes, four drivers and two controllers. Forward voltage of different grades serves as control signals for the networking apparatus to actively control the different states of the high-voltage vacuum switch of the networking apparatus and carry out accessing/disconnecting a connection box. When the connection box of the seabed observation network fails or has to be maintained on a regular basis, the connection box can be effectively and timely isolated to disconnect the connection box from the entire seabed observation network without affecting the normal work of other connection box. When the maintenance work of the connection box is completed, the connection box is actively controlled to access the entire seabed observation network again. The connection box networking apparatus is simple in structure and high in reliability.

Description

A kind of junction box in seafloor observation network interconnection device
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 current domestic submarine observation network has following common ground: tree topology, seawater are powered as current circuit, negative high voltage direct current one pole, plug into box also by single plug into box to multiple plug into box develop.Along with increasing of box quantity of plugging into, the reliability of seabed observation network reduces gradually, when certain box of plugging into breaks down or needs periodic maintenance, how effectively also to isolate this box of plugging in time, this box of plugging into is cut out from whole seabed observation network, does not affect the normal work of other boxes of plugging into, and when after the maintenance work completing this box of plugging into, can again access whole seabed observation network by this box of plugging into of ACTIVE CONTROL, be that box submarine observation network of plugging into must be considered and the problem solved more.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, a kind of junction box in seafloor observation network interconnection device is provided, realize to the junction box in seafloor observation network using seawater as current circuit, in the negative high voltage direct current one pole box node tree-like cable system submarine observation network of plugging into of powering more access/cutting out action carries out ACTIVE CONTROL.
Junction box in seafloor observation network interconnection device of the present invention, comprise the high-pressure vacuum switch possessing the single-pole single-throw(SPST holding function, two high-voltage diodes and control circuit, described control circuit comprises six current-limiting resistances, six voltage stabilizing didoes, four semiconductor switch pipes, four drivers and two controllers, the negative pole of the first high-voltage diode all props up cable with bank base with the positive pole of the second high-voltage diode and is connected, the positive pole of the first high-voltage diode connects the input of high-pressure vacuum switch, the output of high-pressure vacuum switch is plugged into box, the negative pole of the second high-voltage diode and one end of the first current-limiting resistance, one end of second current-limiting resistance, one end of 3rd current-limiting resistance, one end of 4th current-limiting resistance, one end of 5th current-limiting resistance and one end of the 6th current-limiting resistance connect, the other end of the first current-limiting resistance is connected with the negative pole of the first voltage stabilizing didoe, the positive pole of the first voltage stabilizing didoe is connected with the power supply anode of the first driver, 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 voltage stabilizing didoe, the positive pole of the second voltage stabilizing didoe is connected with the drain electrode end of the first semiconductor switch pipe and the power supply anode of the second driver, the drive end of the second driver is connected with the grid of the second semiconductor switch pipe, the other end of the 3rd current-limiting resistance is connected with the power supply anode port of the negative pole of the 3rd voltage stabilizing didoe and the first controller, the positive pole of the 3rd voltage stabilizing didoe, the power supply negative terminal port of the first controller is connected with the drain electrode of the second semiconductor switch pipe, two I/O of the first controller drive port to be connected with the two ends of the Closed 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 voltage stabilizing didoe, the positive pole of the 4th voltage stabilizing didoe is connected with the power supply anode of the 3rd driver, the drive end of the 3rd driver is connected with the grid of the 3rd semiconductor switch pipe, the other end of the 5th current-limiting resistance is connected with the negative pole of the 5th voltage stabilizing didoe, the positive pole of the 5th voltage stabilizing didoe is connected with the drain electrode of the 3rd semiconductor switch pipe and the power supply anode of four-wheel drive device, the drive end of four-wheel drive device 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 voltage stabilizing didoe and second controller, the positive pole of the 6th voltage stabilizing didoe, the power supply negative terminal port of second controller is connected with the drain electrode of the 4th semiconductor switch pipe, another two I/O of second controller drive port to be connected with the two ends of the disconnection control coil of high-pressure vacuum switch respectively, the source electrode of the first semiconductor switch pipe, the source electrode of the second semiconductor switch pipe, the source electrode of the 3rd semiconductor switch pipe, the source electrode of the 4th semiconductor switch pipe and the power supply negative terminal of the first driver, second driver is powered negative terminal, 3rd driver is powered negative terminal, four-wheel drive device powers negative terminal with all connecing seawater.
In technique scheme, four described semiconductor switch pipes can be switch mosfet pipe; Four described drivers can be switch mosfet pipe driving chip.
Four described semiconductor switch pipes can be IGBT switching tube; Four described drivers can be IGBT switching tube 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 control coils, and a control coil is for controlling the disconnection of high-pressure vacuum switch, and another one coil controls the closed of high-pressure vacuum switch.When high-pressure vacuum switch is in a state of a control, when only having another one coil to power on, the state of a control of this vacuum switch just can change.
When bank base supply forward voltage, corresponding two control circuits of this device two control coils can the forward voltage of opposite bank base supply carry out selecting/ending, determine high-pressure vacuum switch control coil whether can be enable, when the forward voltage of bank base supply is in the enable voltage window of control circuit setting, the power supply branch road of corresponding controller forms a complete current circuit, controller obtains electric energy by voltage stabilizing didoe, controller drives the control coil of high-pressure vacuum switch to start charging, triggers the corresponding actions of 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 the forward voltage of different brackets (relative seawater ground) as control signal, suppose that submarine observation network exists N number of box of plugging into, then need the forward voltage of 2N different brackets as the control signal of this junction box in seafloor observation network interconnection device.
When detecting that submarine observation network is supplied to the forward voltage of certain value, all control circuits judge this voltage, when this forward voltage is within the high and low pressure cutoff range that a certain control circuit sets, corresponding control circuit starts as the control coil of high-pressure vacuum switch is powered, trigger corresponding high-pressure vacuum switch and be switched to corresponding operating state, control corresponding box of plugging into and access/cut out seabed observation network.
When submarine observation network, certain box of plugging into breaks down or needs power-off service, bank base is for the constant positive voltage giving corresponding voltage grade, control the disconnection action of the corresponding high-pressure vacuum switch of this box of plugging into, switch the operating state of high-pressure vacuum switch to off-state, what complete this plug into box and whole submarine observation network cuts out action, does not affect the normal work of other boxes of plugging into.
When this box of plugging into completes corresponding maintenance work, bank base is for the constant positive voltage giving corresponding voltage grade, control the closed action of the corresponding high-pressure vacuum switch of this box of plugging into, the operating state switching high-pressure vacuum switch, to closure state, completes the access action of this plug into box and whole submarine observation network.
Junction box in seafloor observation network interconnection device of the present invention, not only structure is simple, and can ensure the high-pressure vacuum switch always completion status switching action under zero current environment of interconnection device, and reliability is high.When junction box in seafloor observation network breaks down or needs periodic maintenance, interconnection device of the present invention is adopted can effectively and in time to isolate this box of plugging into, this box of plugging into is 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, can again access whole seabed observation network by this box of plugging into of ACTIVE CONTROL.
accompanying drawing illustrates:
Fig. 1 is the schematic diagram of junction box in seafloor observation network interconnection device of the present invention when using in submarine observation network;
Fig. 2 is the circuit theory diagrams of control circuit in interconnection device of the present invention.
embodiment:
Below in conjunction with accompanying drawing, the invention will be further described.
See figures.1.and.2, the interconnection device of junction box in seafloor observation network of the present invention, comprise the high-pressure vacuum switch S possessing the single-pole single-throw(SPST holding function, two high-voltage diodes D1, D2 and control circuit, described control circuit comprises six current-limiting resistance R1-R6, six voltage stabilizing didoe Z1-Z6, four semiconductor switch pipe S1-S4, four driver Q1-Q4 and two controller K1, K2;
The negative pole of the first high-voltage diode D1 all props up cable with bank base with the positive pole of the second high-voltage diode D2 and is connected, the positive pole of the first high-voltage diode D1 connects the input of high-pressure vacuum switch S, the output of high-pressure vacuum switch S is plugged into box, the negative pole of the second high-voltage diode D2 and one end of the first current-limiting resistance R1, one end of second current-limiting resistance R2, one end of 3rd current-limiting resistance R3, one end of 4th current-limiting resistance R4, one end of 5th current-limiting resistance R5 and one end of the 6th current-limiting resistance R6 connect, the other end of the first current-limiting resistance R1 is connected with the negative pole of the first voltage stabilizing didoe Z1, the positive pole of the first voltage stabilizing didoe Z1 is connected with the power supply anode of the first driver Q1, 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 voltage stabilizing didoe Z2, the positive pole of the second voltage stabilizing didoe Z2 is connected with the drain electrode end of the first semiconductor switch pipe S1 and the power supply anode of the second driver Q2, the drive end of the second driver Q2 is connected with the grid of the second semiconductor switch pipe S2, the other end of the 3rd current-limiting resistance R3 is connected with the power supply anode port of the negative pole of the 3rd voltage stabilizing didoe Z3 and the first controller K1, the positive pole of the 3rd voltage stabilizing didoe Z3, the power supply negative terminal port of the first controller K1 is connected with the drain electrode of the second semiconductor switch pipe S2, two I/O of the first controller K1 drive port to be connected with the two ends of the Closed control coil C of high-pressure vacuum switch S respectively, the other end of the 4th current-limiting resistance R4 is connected with the negative pole of the 4th voltage stabilizing didoe Z4, the positive pole of the 4th voltage stabilizing didoe Z4 is connected with the power supply anode of the 3rd driver Q3, the drive end of the 3rd driver Q3 is connected with the grid of the 3rd semiconductor switch pipe S3, the other end of the 5th current-limiting resistance R5 is connected with the negative pole of the 5th voltage stabilizing didoe Z5, the positive pole of the 5th voltage stabilizing didoe Z5 is connected with the drain electrode of the 3rd semiconductor switch pipe S3 and the power supply anode of four-wheel drive device Q4, the drive end of four-wheel drive device Q1 is connected with the grid of the 4th semiconductor switch pipe S4, the other end of the 6th current-limiting resistance R6 is connected with the power supply anode port of the negative pole of the 6th voltage stabilizing didoe Z6 and second controller K2, the positive pole of the 6th voltage stabilizing didoe Z6, the power supply negative terminal port of second controller K2 is connected with the drain electrode of the 4th semiconductor switch pipe S4, another two I/O of second controller K2 drive port to be connected with the two ends of the disconnection control coil O of high-pressure vacuum switch S respectively, the source electrode of the first semiconductor switch pipe S1, the source electrode of the second semiconductor switch pipe S2, the source electrode of the 3rd semiconductor switch pipe S3, the source electrode of the 4th semiconductor switch pipe S4 and the power supply negative terminal of the first driver Q1, second driver Q2 powers negative terminal, 3rd driver Q3 powers negative terminal, four-wheel drive device Q4 powers negative terminal with all connecing seawater.
In technique scheme, four described semiconductor switch pipe S1-S4 can adopt switch mosfet pipe or IGBT switching tube; Corresponding four described driver Q1-Q4 can adopt switch mosfet pipe driving chip or IGBT switching tube driving chip.
Described two controllers K1, K2 can be single-chip microcomputer.
Fig. 1 is the submarine observation network schematic diagram with multiple plug into box and interconnection device, interconnection device in use, 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, corresponding control circuit starts as the control coil of high-pressure vacuum switch is powered, trigger corresponding high-pressure vacuum switch and be switched to corresponding operating state, control corresponding box of plugging into and access/cut out seabed observation network.
In order to explain that the junction box in seafloor observation network interconnection device box that controls to plug into accesses/cut out the principle of submarine observation network, existing for a box interconnection device of plugging into, suppose that the control voltage of this box interconnection device of plugging into is , two construction qualities.
Suppose submarine observation network bank base supply forward voltage , box branch road of plugging into is stopped power supply due to the reverse cut-off of high-voltage diode (D1), and subsequent conditioning circuit does not all work.Because the reverse cut-ff voltage of Z2 a little less than , the reverse cut-ff voltage of Z1 higher than now Z2 reverse breakdown, Z1 ends, and driver Q1 does not work, driver Q2 works, provide drive singal to semiconductor switch pipe S2, semiconductor switch pipe S2 closes, and Closed control coil controllers branch road forms a current circuit, controller K1 obtains electric energy from voltage stabilizing didoe Z3, drive the closing coil C of high-pressure vacuum switch S to charge, trigger high-pressure vacuum switch S closed action, this box access submarine observation network network of plugging into.And now because the reverse cut-ff voltage of Z4, Z5 is all greater than , Z4 and Z5 all ends, bank base supply forward voltage on disconnecting the control circuit of control coil without impact.
When submarine observation network bank base directly supplies forward voltage time, in the control circuit of Closed control coil, the reverse cut-ff voltage of Z1, Z2 is all less than now Z1 reverse breakdown voltage stabilizing, driver Q1 works, provide drive singal to semiconductor switch pipe S1, semiconductor switch pipe S1 closes, and driver Q2 is shorted, and semiconductor switch pipe S2 is in off-state, Closed control coil controllers branch road can not form a current circuit, and controller K1 does not work.Disconnect control coil control circuit in because the reverse cut-ff voltage of Z5 a little less than , the cut-ff voltage of Z4 higher than now Z5 reverse breakdown, Z4 still ends, and driver Q3 does not work, driver Q4 works, provide drive singal to semiconductor switch pipe S4, semiconductor switch pipe S4 closes, and disconnects control coil controller branch road and forms a current circuit, controller K2 obtains electric energy from voltage stabilizing didoe Z6, drive the disconnection coil O of high-pressure vacuum switch S to charge, trigger high-pressure vacuum switch S and disconnect action, this box of plugging into cuts out submarine observation network network.Independently coil is adopted to control between on off state due to selected high-pressure vacuum switch S, so the Closed control coil C control circuit in same interconnection device is similar in design principle with disconnection control coil O control circuit.

Claims (4)

1. a junction box in seafloor observation network interconnection device, it is characterized in that, comprise the high-pressure vacuum switch (S) possessing the single-pole single-throw(SPST holding function, two high-voltage diodes (D1, D2) and control circuit, described control circuit comprises six current-limiting resistances (R1-R6), six voltage stabilizing didoes (Z1-Z6), four semiconductor switch pipes (S1-S4), four drivers (Q1-Q4) and two controllers (K1, K2);
The negative pole of the first high-voltage diode (D1) all props up cable with bank base with the positive pole of the second high-voltage diode (D2) and is connected, the positive pole of the first high-voltage diode (D1) connects the input of high-pressure vacuum switch (S), the output of high-pressure vacuum switch (S) is plugged into box, the negative pole of the second high-voltage diode (D2) and one end of the first current-limiting resistance (R1), one end of second current-limiting resistance (R2), one end of 3rd current-limiting resistance (R3), one end of 4th current-limiting resistance (R4), one end of 5th current-limiting resistance (R5) and one end of the 6th current-limiting resistance (R6) connect, the other end of the first current-limiting resistance (R1) is connected with the negative pole of the first voltage stabilizing didoe (Z1), the positive pole of the first voltage stabilizing didoe (Z1) is connected with the power supply anode of the first driver (Q1), 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 voltage stabilizing didoe (Z2), the positive pole of the second voltage stabilizing didoe (Z2) is connected with the drain electrode end of the first semiconductor switch pipe (S1) and the power supply anode of the second driver (Q2), the drive end of the second driver (Q2) is connected with the grid of the second semiconductor switch pipe (S2), the other end of the 3rd current-limiting resistance (R3) is connected with the negative pole of the 3rd voltage stabilizing didoe (Z3) and the power supply anode port of the first controller (K1), the positive pole of the 3rd voltage stabilizing didoe (Z3), the power supply negative terminal port of the first controller (K1) is connected with the drain electrode of the second semiconductor switch pipe (S2), two I/O of the first controller (K1) drive port to be connected with the two ends of the Closed control coil (C) of high-pressure vacuum switch (S) respectively, the other end of the 4th current-limiting resistance (R4) is connected with the negative pole of the 4th voltage stabilizing didoe (Z4), the positive pole of the 4th voltage stabilizing didoe (Z4) is connected with the power supply anode of the 3rd driver (Q3), the drive end of the 3rd driver (Q3) is connected with the grid of the 3rd semiconductor switch pipe (S3), the other end of the 5th current-limiting resistance (R5) is connected with the negative pole of the 5th voltage stabilizing didoe (Z5), the positive pole of the 5th voltage stabilizing didoe (Z5) is connected with the drain electrode of the 3rd semiconductor switch pipe (S3) and the power supply anode of four-wheel drive device (Q4), the drive end of four-wheel drive device (Q1) is connected with the grid of the 4th semiconductor switch pipe (S4), the other end of the 6th current-limiting resistance (R6) is connected with the negative pole of the 6th voltage stabilizing didoe (Z6) and the power supply anode port of second controller (K2), the positive pole of the 6th voltage stabilizing didoe (Z6), the power supply negative terminal port of second controller (K2) is connected with the drain electrode of the 4th semiconductor switch pipe (S4), another two I/O of second controller (K2) drive port to be connected with the two ends of the disconnection control coil (O) of high-pressure vacuum switch (S) respectively, the source electrode of the first semiconductor switch pipe (S1), the source electrode of the second semiconductor switch pipe (S2), the source electrode of the 3rd semiconductor switch pipe (S3), the source electrode of the 4th semiconductor switch pipe (S4) and the power supply negative terminal of the first driver (Q1), second driver (Q2) is powered negative terminal, 3rd driver (Q3) is powered negative terminal, four-wheel drive device (Q4) powers negative terminal with all connecing seawater.
2. junction box in seafloor observation network interconnection device according to claim 1, is characterized in that, four described semiconductor switch pipes (S1-S4) are 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 characterized in that, four described semiconductor switch pipes (S1-S4) are IGBT switching tube; Four described drivers (Q1-Q4) are IGBT switching tube driving chip.
4. junction box in seafloor observation network interconnection device according to claim 1, is characterized in that, two described controllers (K1, K2) are single-chip microcomputer.
CN201510261777.8A 2015-05-21 2015-05-21 A kind of junction box in seafloor observation network interconnection device Expired - Fee Related CN104868369B (en)

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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
CN108711844A (en) * 2018-04-19 2018-10-26 同济大学 Submarine observation network high-voltage electricity switch type splitter with quick relay protection
CN108988312A (en) * 2018-07-24 2018-12-11 浙江大学 A kind of submarine observation network secondary is plugged into the electric power distribution system and submarine observation network system of box
CN109474170A (en) * 2018-10-31 2019-03-15 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) A kind of seabed is plugged into the power circuit of box
CN111641199A (en) * 2020-05-07 2020-09-08 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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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105807664A (en) * 2016-04-25 2016-07-27 浙江大学 Underwater splitter based on high-low level digital signal control
CN108711844A (en) * 2018-04-19 2018-10-26 同济大学 Submarine observation network high-voltage electricity switch type splitter with quick relay protection
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
CN108988312A (en) * 2018-07-24 2018-12-11 浙江大学 A kind of submarine observation network secondary is plugged into the electric power distribution system and submarine observation network system of box
CN109474170A (en) * 2018-10-31 2019-03-15 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) A kind of seabed is plugged into the power circuit of box
CN111641199A (en) * 2020-05-07 2020-09-08 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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