CN205179180U - Mixed transmission system of coaxial cable in deep sea - Google Patents
Mixed transmission system of coaxial cable in deep sea Download PDFInfo
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- CN205179180U CN205179180U CN201520982683.5U CN201520982683U CN205179180U CN 205179180 U CN205179180 U CN 205179180U CN 201520982683 U CN201520982683 U CN 201520982683U CN 205179180 U CN205179180 U CN 205179180U
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- coaxial cable
- mixed transport
- transport module
- module
- demodulator
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Abstract
The utility model discloses a mixed transmission system of coaxial cable in deep sea, including unit on water, unit, coaxial cable under water, unit on water includes the hybrid transmission machine, the hybrid transmission press packed bale draws together modem no. 1, be used for superposeing mixed transport module one, modem no. 1 on the direct current with high frequency signal connects and mixes transport module no. 1, the unit includes modem no. 2, is used for mixed transport module no. 2 and the DCDC power module from the direct current separation with high frequency signal under water, modem no. 2 and DCDC power module connect mixed transport module no. 2 respectively, coaxial cable is connected and is mixed transport module no. 1 and mixed transport module no. 2. Adopt the utility model discloses, pass through coaxial cable hybrid transmission with high frequency modem signal superposition to the direct current, make coaxial cable end -equipment and master control equipment the communication supply power for simultaneously end -equipment under the condition that does not increase the circuit.
Description
Technical field
The utility model relates to deep sea communication technical field, and especially deep-sea powers and data mixing transmission technology.
Background technology
The power supply of the deep-sea expedition equipment dynamic that the scientific investigation of current deep-sea is used and supervisory control system mainly adopts lithium ion battery under water to power, and there is more drawback, the development of serious restriction deep-sea scientific investigation work.How to realize the coaxial cable transmission of deep sea communication and power supply better, be the technical problem that this area is constantly explored always.In prior art, someone proposes, and employing hybrid transmission technology realizes electrical power, colored realtime graphic transmits and the transfer of data of upper and lower machine, it mainly adopts capacitive coupling, by data investigation on power supply signal, by the medium of a coaxial cable as data and power supply signal synchronous transmission, realize the long distance power energy and data mixing is transmitted.Application number be 201020104319.6 Chinese utility model disclose the system utilizing co-axial cables transport mixed signal, comprise coaxial cable, be connected with described coaxial cable, the RF input interface of the Data Input Interface inputted for providing data-signal and radio frequency rf signal input, and the RF signal of the data-signal inputted described Data Input Interface respectively and the input of described RF input interface processes, to obtain the dispensing device of the mixed signal of described co-axial cables transport; Be connected with described coaxial cable, for providing power supply for described dispensing device, and the RF output interface that the data output interface providing data-signal to export and RF signal export; The mixed signal of described co-axial cables transport is processed, obtains data-signal and RF signal, and by receiving system that the described data-signal that obtains and RF signal export respectively by described data output interface and RF output interface.Application number be 201020652448.9 Chinese utility model disclose a kind of signal separator realizing electric current and data-signal and transmit with cable, this demultiplexer comprises High frequency filter module parallel with one another and low frequency filtering coupling module.Above prior art, is all further improved.
Utility model content
Technical problem to be solved in the utility model is, provides a kind of deep-sea coaxial cable hybrid transmission system, and it makes coaxial cable end-equipment and main control device communication can also power when not increasing circuit to end-equipment simultaneously.
The technical solution of the utility model is: the coaxial cable hybrid transmission system in a kind of deep-sea, comprises the coaxial cable of surface location, underwater unit, connection surface location and underwater unit; Described surface location comprises mixed transport machine, and described mixed transport machine comprises modulator-demodulator one, mixed transport module one for being added to by high-frequency signal on direct current, and modulator-demodulator one connects mixed transport module one; Described underwater unit comprises DC/DC power module, modulator-demodulator two, mixed transport module two for being separated from direct current by high-frequency signal, and described modulator-demodulator two is connected mixed transport module two respectively with DC/DC power module.
Described mixed transport machine also comprises the power module connecting modulator-demodulator one.
Described modulator-demodulator one connects mixed transport module one by telephone wire; Described modulator-demodulator two connects mixed transport module two by telephone wire; Described coaxial cable connects mixed transport module one and mixed transport module two.
Described surface location also comprises telecommunication machine, and telecommunication machine is provided with external interface: Ethernet RJ45 interface, 270VDC ~ 400VDC power supply for being connected to computer input two core Aviation Connector interfaces, coaxial cable bnc interface and 220VAC power standard three core socket input interface.
Described coaxial cable is the 75 coaxial cables in Europe; Mixed transport machine is provided with power supply indicator and communication indicator light.
The coaxial cable hybrid transmission system in described deep-sea also comprises the DC power supply connecting mixed transport module one.
Described mixed transport module two comprises two demultiplexers be connected by coaxial cable, and described two demultiplexers include High frequency filter module parallel with one another and low frequency filtering coupling module.
Adopt the utility model, by high frequency modulated demodulator Signal averaging to direct current by coaxial cable mixed transport, coaxial cable end-equipment and main control device can also can not only be powered when not increasing circuit to end-equipment while of communication.Adopt the utility model, reduce cost, facilitate deep sea communication and deep ocean work, be conducive to the development of deep-sea scientific investigation work.
Accompanying drawing explanation
Fig. 1 is principle and the annexation schematic diagram of the coaxial cable hybrid transmission system in the utility model deep-sea.
The coaxial cable of description of reference numerals: 1-, 2-telephone wire, 3-modulator-demodulator one, 4-modulator-demodulator two, 5-DC/DC power module.
Embodiment
As shown in Figure 1, the coaxial cable hybrid transmission system in a kind of deep-sea, comprises surface location, underwater unit, coaxial cable 1; Described surface location comprises mixed transport machine, and described mixed transport machine comprises modulator-demodulator 1, for the mixed transport module one on direct current of being added to by high-frequency signal, connect the power module of modulator-demodulator one, connect the DC power supply of mixed transport module one.DC power supply adopts the DC power supply of 600V2A high accuracy adjustable constant-flow constant voltage.Modulator-demodulator one connects mixed transport module one by telephone wire.The industrial computer of surface location connects modulator-demodulator one by 10M ethernet line.Described underwater unit comprises modulator-demodulator 24, for the mixed transport module two that is separated from direct current by high-frequency signal be used for the DC/DC power module 5 that high pressure turns low pressure, modulator-demodulator two connects mixed transport module two, DC/DC power module by telephone wire 2 and connects mixed transport module two; Described coaxial cable connects mixed transport module one and mixed transport module two.Coaxial cable is used for the mixed transport of communication signal and current signal.Modulator-demodulator (comprising modulator-demodulator one and modulator-demodulator two) adopts EDSL modulator-demodulator.
The utility model is the coaxial cable hybrid transmission system of a kind of deep-sea myriametre, and its operation principle is as follows:
Power module provides 12VDC power supply for modulator-demodulator one, transmits after on the high frequency telephone signal madulation that modulator-demodulator one exports by mixed transport module one to 270VDC ~ 400VDC direct current on same coaxial cable 1.The telecommunication machine external interface of deck unit (i.e. surface location) has: be connected to the Ethernet RJ45 interface of computer, 270VDC ~ 400VDC power supply inputs 2 core Aviation Connector (1 pin just, 2 pin bear) interface, coaxial cable bnc interface and 220VAC power standard three core socket input interface.
Mixed transport module two is just in time contrary with deck unit function, high frequency telephone signal on coaxial cable is separated with 270VDC ~ 400VDC direct current by it, by high frequency telephone Signal transmissions to modulator-demodulator two, electric current is transformed to 48VDC/24VDC for submarine system (comprising the plate of industrial computer under water, other functional cards of being connected modulator-demodulator two by 10M ethernet line) by DC/DC power module.Modulator-demodulator two converts telephone signal to ethernet signal, realizes deck unit and underwater unit Ethernet is direct-connected.
Surface location and underwater unit is connected with the coaxial cable of 75 Europe myriametre.After surface location powers on, on the front panel of mixed transport machine, two LED light (power supply indicator and communication indicator light) can be bright, and power supply indicator is green Chang Liang.Communication indicator light is bi-colour light, is blinking yellow illumination when communication is not set up, and when communication is set up soon, this lamp flicker frequency is obviously accelerated, and about 1 second back light suspends flicker, afterwards fast blink about 1 second again, and after normally setting up communication, communication indicator light is green Chang Liang.After communication is set up, waterborne and submarine system just can carry out communication by this network, and deck unit is powered to submarine system by same transmission line (coaxial cable) simultaneously, and maximum power of powering can reach 500W.
Mixed transport module two can adopt two demultiplexers, and two demultiplexers are connected by coaxial cable, and described two demultiplexers include High frequency filter module parallel with one another and low frequency filtering coupling module.
The utility model by high frequency modulated demodulator Signal averaging to direct current by coaxial cable mixed transport, coaxial cable end-equipment and main control device can not only can also be powered when not increasing circuit to end-equipment simultaneously in communication.
The foregoing is only preferred embodiment of the present utility model; protection range of the present utility model is not limited thereto; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., be all included within protection range of the present utility model.
Claims (7)
1. the coaxial cable hybrid transmission system in deep-sea, comprises the coaxial cable of surface location, underwater unit, connection surface location and underwater unit; It is characterized in that, described surface location comprises mixed transport machine, and described mixed transport machine comprises modulator-demodulator one, mixed transport module one for being added to by high-frequency signal on direct current, and modulator-demodulator one connects mixed transport module one; Described underwater unit comprises DC/DC power module, modulator-demodulator two, mixed transport module two for being separated from direct current by high-frequency signal, and described modulator-demodulator two is connected mixed transport module two respectively with DC/DC power module.
2. the coaxial cable hybrid transmission system in deep-sea according to claim 1, is characterized in that, described mixed transport machine also comprises the power module connecting modulator-demodulator one.
3. the coaxial cable hybrid transmission system in deep-sea according to claim 1, is characterized in that, described modulator-demodulator one connects mixed transport module one by telephone wire; Described modulator-demodulator two connects mixed transport module two by telephone wire; Described coaxial cable connects mixed transport module one and mixed transport module two.
4. the coaxial cable hybrid transmission system in deep-sea according to claim 1, it is characterized in that, described surface location also comprises telecommunication machine, and telecommunication machine is provided with external interface: Ethernet RJ45 interface, 270VDC ~ 400VDC power supply for being connected to computer input two core Aviation Connector interfaces, coaxial cable bnc interface and 220VAC power standard three core socket input interface.
5. the coaxial cable hybrid transmission system in deep-sea according to claim 1, is characterized in that, described coaxial cable is the 75 coaxial cables in Europe; Mixed transport machine is provided with power supply indicator and communication indicator light.
6. the coaxial cable hybrid transmission system in deep-sea according to claim 1, is characterized in that, also comprises the DC power supply connecting mixed transport module one.
7. the coaxial cable hybrid transmission system in deep-sea according to claim 1, it is characterized in that, described mixed transport module two comprises two demultiplexers be connected by coaxial cable, and described two demultiplexers include High frequency filter module parallel with one another and low frequency filtering coupling module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520982683.5U CN205179180U (en) | 2015-12-01 | 2015-12-01 | Mixed transmission system of coaxial cable in deep sea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520982683.5U CN205179180U (en) | 2015-12-01 | 2015-12-01 | Mixed transmission system of coaxial cable in deep sea |
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| Publication Number | Publication Date |
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| CN205179180U true CN205179180U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520982683.5U Active CN205179180U (en) | 2015-12-01 | 2015-12-01 | Mixed transmission system of coaxial cable in deep sea |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253987A (en) * | 2016-08-30 | 2016-12-21 | 国家海洋局第二海洋研究所 | Marine tow coaxial cable and optoelectronic composite cable dual mode transmission device and method |
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2015
- 2015-12-01 CN CN201520982683.5U patent/CN205179180U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253987A (en) * | 2016-08-30 | 2016-12-21 | 国家海洋局第二海洋研究所 | Marine tow coaxial cable and optoelectronic composite cable dual mode transmission device and method |
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