CN100453438C - Non-slip-ring type underwater cable car transmitted by digital signal - Google Patents
Non-slip-ring type underwater cable car transmitted by digital signal Download PDFInfo
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- CN100453438C CN100453438C CNB2005100958187A CN200510095818A CN100453438C CN 100453438 C CN100453438 C CN 100453438C CN B2005100958187 A CNB2005100958187 A CN B2005100958187A CN 200510095818 A CN200510095818 A CN 200510095818A CN 100453438 C CN100453438 C CN 100453438C
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- cable
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- pulley
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Abstract
This digital signal transmitted flip-ring-free underwater cable carriage comprises of coaxially connected a major cable wheel and a transitional wheel which are located to the frame by the bracket bearing, the fixed wheel coaxially fastened to the other end of the bracket and loaded with the transitional wheel with a pulley arm between them, and the pulley equipped with a pulley and a movement compensation spring, through which the pulley links with the pulley arm; An analog digital converter circuit is loaded at the linkage of the transducer cable and transitional cable of the main cable, with one end of the transducer cable connected with the power of the transducer, the other end of the transducer cable connected with the analog digital converting electric circuit, which changes the collected analog signal of the transducer to digital signal. The digital signal is transmitted to signal processor for treatment through the transitional cable and pre enwind the transitional cable to the transitional wheel in the same winding direction of the cables on the major cable wheel, and the other end of the transitional cable connected to the signal processor. This cable carriage is simple in structure and reliable of signals.
Description
Technical field
The present invention relates to underwater cable car, particularly relate to the non-slip-ring type underwater cable car that adopts digital signal to transmit.
Background technology
Testing under water, the investigation in ocean, lake, river course etc. is surveyed, and in the oil well detection, often need the transducer that be used for doing acquisition of signal be delivered in water or the oil well, to obtain necessary signal.The transducer that is placed into the bottom or shaft bottom is sent to the signal that detects on the ship by long cable or signal conditioning is carried out on ground.Cable car is exactly the machinery of a kind of dispensing or retracting cable.Briefly, cable car is to be rotated by the very big cable wheel of motor drives, and an end of cable is fixed on the cable wheel, along with the rotation of cable wheel, cable is discharged or regains.Generally all need the cable of hundreds of rice in marine survey, oil well detect, only the weight of cable just has hundreds of kilogram even several tons of weights.The cable of length and weight must could discharge and regain effectively by cable car like this.Therefore, cable car is one of necessary tool during investigations such as ocean, lake, experiment under water and oil well detect.And at present bank with or cable car peculiar to vessel in cable dispensing or withdrawal process, be fixed on cable broken end on the cable car cable wheel and be the transducer signal that adopts slip ring or plug joint dual mode to solve to transmit in the cable and the articulation issues of signal processing equipment equipment.There are a lot of shortcomings in this dual mode: a plurality of slip rings of multicable needs, and easy to wear, maintenance difficult, signal is interfered easily, easily loses; Particularly at special working environment, as under-water operation, the water tightness of slip ring etc. is required very high, above-mentioned dual mode is all inapplicable.
Between cable and the cable car is relative twining movement, can be that the cable car main shaft rotates, and working cable is wrapped on the cable wheel, with dispensing or retracting cable, as shown in Figure 1.Also can be that cable car cable wheel does not rotate, cable be wrapped in working cable on the cable wheel, as shown in Figure 2 by special winding structure.
In Fig. 2, promptly cable car cable wheel is motionless, and allows cable center on cable crop rotation twining movement, but every winding one circle, the knob that will produce a circle on cable saves, and multi-turn will produce a plurality of knobs joints, and a series of problems will appear in cable, and this is unallowed.These knob joints are not produced in winding process, perhaps remove to offset knob and save the major issue that this is the design underwater cable car with another kind of motion.
The tradition cable car needs slip ring to solve the cable knob around problem when the folding and unfolding cable usually.For transmitting stronger control signal or power supply, this mode is simple and easy to do.But for the situation that transmits weak signal, for example in Underwater acoustic signal processing, though the signal of gathering by transducer through processing and amplifying, if through slip ring system, signal can be introduced noise jamming, the water tightness to slip ring requires also very high in addition.No slip ring telpherage that this patent is designed has solved the gordian technique that underwater cable car does not use slip ring, does not use slip ring in whole telpherage, has satisfied the water tightness requirement, has thoroughly solved the noise jamming problem that slip ring brings simultaneously.In addition, also adopted the analog/digital signal conversion technology in this patent, with the analog signal process analog/digital conversion of gathering, become digital signal, transmit again, make the reliability of signal improve greatly, and further reduced the disturbed possibility of signal in the transmission course.
Summary of the invention
The objective of the invention is to propose a kind of non-slip-ring type underwater cable car; It need not plug joint, also without slip ring, but an end of cable is fixed on the cable car cable wheel, can not discharge or reclaim and directly be connected rotationally with signal handling equipment or instrument with cable, thereby solved existing in prior technology through slip ring system, and bring signal can introduce noise jamming; And the water tightness of slip ring required also very high defective; Thereby provide a kind of analog/digital signal conversion technology that adopted, with the analog signal process analog/digital conversion of gathering, become digital signal, the non-slip-ring type underwater cable car that the employing digital signal of transmitting again transmits, this underwater cable car makes the reliability of signal improve greatly, and has further reduced the disturbed possibility of signal in the transmission course.
A kind of non-slip-ring type underwater cable car that the present invention proposes includes main push-towing rope wheel 1, main push-towing rope turbin generator 2, transition wheel 3, transition cable 4, pulley arm stepping motor 5, pulley 6, pulley arm 7, support 9, motion compensation spring 14; It is characterized in that: also comprise fixed wheel 8, analog/digital signal conversion circuit 10 (A/D convertor circuit); Wherein said main push-towing rope wheel 1 is coaxial cable wheels that are used to twine cable that connect together with transition wheel 3, bearing by support locates them on support 9, main push-towing rope turbin generator 2 is connected with the main push-towing rope wheel by spline or speed reduction gearing, and drive main push-towing rope wheel 1 and transition wheel 3 rotates with V1 speed, thereby cable is discharged or regains; Fixed wheel 8 is fixed on the other end of support 9, and fixed wheel 8 is installed on the same axis with transition wheel 3, and the gap between them installs a pulley arm 7, and pulley 6 is set on it, and pulley 6 links to each other with pulley arm 7 by motion compensation spring 14; 14 buffer actions of motion compensation spring, the variation of tension force when being used for cushioning transition cable 4 by pulley 6; Stepping motor 5 rotates (can have manually or automatic mode) with speed V2 under programming control, and drives pulley arm 7 with same speed rotation, and the cable of resigning from office on this moving handle transition wheel 3 is wrapped on the fixed wheel 8 through pulley 6; Transducer cable 11 and transition cable 4 bonded assembly positions on main push-towing rope wheel 1 are installed analog-to-digital conversion circuit 10, and an end of transducer cable 11 is electrically connected with transducer 12, and the other end of transducer cable 11 is electrically connected with analog-to-digital conversion circuit 10; The analog signal conversion that described analog-to-digital conversion circuit 10 is gathered transducer 12 is a digital signal, and digital signal is sent to signal processor through transition cable 4 and handles, thereby can effectively reduce interference and loss in the signals transmission; Transition cable 4 is wrapped on the transition wheel 3 according to the winding direction that main push-towing rope wheel is gone up cable in advance, and through pulley 5 the transition cable other end is fixed on the edge of fixed wheel 8 and draws with signal processor and link to each other.
In above-mentioned technical scheme, described support (9) is
Shape,
Shape, square or cable lathe body.
In above-mentioned technical scheme, described analog-to-digital conversion circuit 10 will be by the analog signal V of transducer 12 collections
INBe converted to serial data signal SDATA, VDD and GND are respectively power supply and ground among the figure, and SCLK is a clock signal,
Be chip selection signal, because the collection of control signal; Described analog-to-digital conversion circuit 10 has connected transducer cable 11 and transition cable 4, is digital signal with the analog signal conversion of focused ultrasound, and digital signal is sent to signal processor by transition cable 4.
In above-mentioned technical scheme, described signal processor is the computing machine that data collecting card is installed, perhaps based on digital signal processor of TIC6000 series or C5400 series DSP chip etc.
In above-mentioned technical scheme, described main push-towing rope turbin generator 2 is alternating current dynamo or DC machine.
Use non-slip-ring type underwater cable car of the present invention, in advance a certain amount of cable (being called the transition cable) is wrapped on the transition wheel, this part cable does not participate in dispensing and regains, and therefore can adopt thinner cable.The main push-towing rope wheel of cable car is when work is rotated, stepping motor can drive the pulley arm and rotate, being added in cable (transition cable) on the transition wheel in advance can one enclose and resigns from office, be wrapped on the motionless fixed wheel by pulley, so cable arrives transition wheel by main wheel, pulley by the coiling effect arrives on the fixed wheel again, thereby reached working cable in dispensing or withdrawal process, the purpose that the cable other end is motionless, solve the difficult problem of above-mentioned generation knob joint, finished the basic demand of underwater cable car.In signals transmission, when signal carries out the transition to transition cable on the transition wheel from the cable on the main push-towing rope wheel, is digital signal through analog-to-digital conversion circuit with the analog signal conversion of gathering, send signal processor to by the transition cable again and handle, effectively reduce interference and loss in the signals transmission like this.Analog-to-digital conversion circuit will shield and encapsulation process, to guarantee the interference-free and water tightness requirement of signal.
The invention has the advantages that:
Non-slip-ring type underwater cable car of the present invention need not plug joint, also without slip ring, but an end of cable is fixed on the cable car cable wheel, can not discharge or reclaim and directly be connected rotationally with signal handling equipment or instrument with cable, thereby solved the noise jamming problem that the existing in prior technology water tightness is poor and slip ring brings; Adopt the motion compensation spring can cushion the tension force of transition cable, avoid the transition cable to be in operation and rupture; The stepping motor of employing programming Control can make the work simplification of cable car folding and unfolding cable, and stepping motor can allow manual control simultaneously, has increased the alerting ability of cable car control; Utilize a cable to need not transducer signal to be converted to digital signal earlier by slip ring, directly be sent to signal handling equipment again, adopted the analog/digital signal conversion technology simultaneously, with the analog signal process analog/digital conversion of gathering, changed the signal load mode of traditional cable car, become digital signal, transmitted again, make the reliability of signal improve greatly, and cable car is simple in structure, steady, reliable.
Description of drawings
Main shaft rotates scheme drawing to Fig. 1 on the cylinder for cable in the prior art is wrapped in.
Fig. 2 is in the prior art, and cable is wrapped in the motionless scheme drawing of main shaft on the cylinder.
Fig. 3 is the non-slip-ring type underwater cable car structural representation that employing digital signal of the present invention transmits.
Fig. 4 is the analog-to-digital conversion circuit figure of non-slip-ring type underwater cable car of the present invention.
Fig. 5 is that transition wheel of the present invention twines the cable scheme drawing.
The drawing explanation:
Main push-towing rope wheel-1 main push-towing rope turbin generator-2 transition wheel-3
Transition cable-4 stepping motor-5 pulley-6
Pulley arm-7 fixed wheel-8 support-9
Analog-to-digital conversion circuit-10 transducer cable-11
Transducer-12 signal processor-13 motion compensation spring-14
The specific embodiment
Further specify of the present invention now in conjunction with the accompanying drawings than specific embodiment.
With reference to figure 3, make the non-slip-ring type underwater cable car that an employing digital signal of the present invention transmits, its structure can be divided into four parts:
(1) finish the main motion system that dispensing or retracting cable lineman do: it is by main push-towing rope turbin generator 2, and main push-towing rope wheel 1 is formed; Wherein main push-towing rope turbin generator 2 is selected the alternating current dynamo of YN128-400/156JB75G2860 type for use, and main push-towing rope wheel 1 is a kind of wheel that is used to twine cable, and it is connected with spline with the main push-towing rope turbin generator;
(2) solve in dispensing or the retracting cable process supplementary motion system of the knob of working cable joint problem: it is by pulley 6, pulley arm 7, and stepping motor 5, fixed wheel 8, transition wheel 3, transition cable 4 and motion compensation spring 14 are formed;
(3) cable lathe body: it is made up of support 9;
(4) being used for analog signal conversion is the circuit part of digital signal: it is made up of analog-to-digital conversion circuit 10.
Wherein said main push-towing rope wheel 1 is coaxial cable wheels that are used to twine cable that connect together with transition wheel 3, bearing by support locates them on support 9, main push-towing rope turbin generator 2 is connected with the main push-towing rope wheel by spline or speed reduction gearing, and drive main push-towing rope wheel 1 and transition wheel 3 rotates with V1 speed, thereby cable is discharged or regains; Fixed wheel 8 is fixed on the other end of support 9, and fixed wheel 8 is installed on the same axis with transition wheel 3, and the gap between them installs a pulley arm 7, and pulley 6 is set on it, and pulley 6 links to each other with pulley arm 7 by motion compensation spring 14; 14 buffer actions of motion compensation spring, the variation of tension force when being used for cushioning transition cable 4 by pulley 6; Stepping motor 5 rotates (can have manually or automatic mode) with speed V2 under programming control, and drives pulley arm 7 with same speed rotation, and the cable of resigning from office on this moving handle transition wheel 3 is wrapped on the fixed wheel 8 through pulley 6; Transducer cable 11 and transition cable 4 bonded assembly positions on main push-towing rope wheel 1 are installed an analog-to-digital conversion circuit 10, and an end of transducer cable 11 is electrically connected with transducer 12, and the other end of transducer cable 11 is electrically connected with analog-to-digital conversion circuit 10; The analog signal conversion that described analog-to-digital conversion circuit 10 is gathered transducer 12 is a digital signal, and digital signal is sent to signal processor through transition cable 4 and handles, thereby can effectively reduce interference and loss in the signals transmission; Transition cable 4 is wrapped on the transition wheel 3 according to the winding direction that main push-towing rope wheel is gone up cable in advance, and through pulley 5 the transition cable other end is fixed on the edge of fixed wheel 8 and draws with signal processor and link to each other.
The operating condition of structure when retracting cable:
Main push-towing rope wheel 1 is as hanging the groundwork wheel that carries transducer, and is the same with common cable car structure.The main push-towing rope wheel 1 that is used to twine working cable (transducer cable 11) connects together with transition wheel 3, and the bearing by support 9 locates them on support 9.When main push-towing rope turbin generator 2 work,, main push-towing rope wheel 1 is rotated with cireular frequency V1 with transition wheel 3 by the key axle.At this moment, transducer cable 11 just is wrapped on the main push-towing rope wheel 1, and cable is progressively regained, and this is the main motion of retracting cable.Simultaneously, transition wheel 3 rotates, and the transition cable 4 one circle circles that twine are in advance resigned from office.
Stepping motor 5 is a BS86H80-04 type stepping motor, rotates with cireular frequency V2 under the programming control of MC881A controller, drives pulley arm 7 and pulley 6 simultaneously and also rotates according to cireular frequency V2.The transition cable 4 of resigning from office on the transition wheel 3 is wrapped on the fixed wheel 8 by pulley 6.Motion compensation spring 14 can cushion in the retracting cable process because the do not match overtension of the transition cable 4 that causes of rotating speed between transition wheel 3 and the pulley 6.The speed of adjusting stepping motor 5 by programming control can guarantee the transition cable 4 of resigning from office, and neither too pine can be too not tight yet.This motion is to guarantee the fixing auxiliary motion that solves cable knob joint problem simultaneously again of an end of cable.
Main motion and auxiliary motion have been finished the groundwork of underwater cable car.Be that the cable withdrawal guarantees that again the other end of cable maintains static simultaneously.Avoided using slip ring and plugging the link that first-class work drowned can not use.
Its service conditions is, and: V1 is identical with the V2 direction, rotating speed V2 ≠ V1, and V1 is generally at the uniform velocity, and V2 need be according to the winding of cable on transition wheel 3 and the fixed wheel 8 by the programming control adjustment.
With reference to figure 4, described analog-to-digital conversion circuit 10 mainly is made up of AD7912, and it will be by the analog signal V of transducer 12 collections
INBe converted to serial data signal SDATA, VDD and GND are respectively power supply and ground among the figure, and SCLK is a clock signal, and CS is a chip selection signal, is used for the collection of control signal; Described analog-to-digital conversion circuit 10 has connected transducer cable 11 and transition cable 4, is digital signal with the analog signal conversion of focused ultrasound, and digital signal is sent to signal processor by transition cable 4.
The pulley arm 7 that has pulley 6 and motion compensation spring 14 in the present embodiment device solves cable car cable knob joint problem by the method for rotating relative to fixed wheel with transition cable 4.And pulley 6 is installed on the pulley arm 7 by motion compensation spring 14, the variation of tension force when buffering transition cable 4 passes through pulley 6.And adopting stepping motor 5 control pulley arms 7 to rotate, stepping motor 5 can be worked in the automatic or manual mode by programming control.
It should be noted last that: above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that: structure of the present invention and circuit are made amendment or be equal to replacement, and not breaking away from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (5)
1. a non-slip-ring type underwater cable car that adopts digital signal to transmit includes main push-towing rope wheel (1), main push-towing rope turbin generator (2), transition wheel (3), transition cable (4), pulley arm stepping motor (5), pulley (6), pulley arm (7), motion compensation spring (14); It is characterized in that: also comprise fixed wheel (8), support (9), analog-to-digital conversion circuit (10); Wherein said main push-towing rope wheel (1) is coaxial connecting together with transition wheel (3), by the bearing of support main push-towing rope is taken turns (1) and is positioned on the support (9) with transition wheel (3), and main push-towing rope turbin generator (2) drives main push-towing rope wheel (1) and transition wheel (3) rotates with V1 speed; Fixed wheel (8) is fixed on the other end of support (9), and fixed wheel (8) and transition wheel (3) are installed on the same axis, and the gap between them installs a pulley arm (7), and pulley (6) and motion compensation spring (14) are set on it; Pulley (6) links to each other with pulley arm (7) by motion compensation spring (14); Pulley arm stepping motor (5) drives pulley arm (7) and rotates, and the cable of resigning from office on the transition wheel (3) is wrapped on the fixed wheel (8) through pulley (6); One described analog-to-digital conversion circuit (10) is installed on transducer cable (11) on the main push-towing rope wheel (1) and transition cable (4) bonded assembly position; One end of transducer cable (11) is electrically connected with transducer (12), and the other end of transducer cable (11) is electrically connected with analog-to-digital conversion circuit (10); The analog signal conversion that described analog-to-digital conversion circuit (10) is gathered transducer (12) is a digital signal, and digital signal is sent to signal processor through transition cable (4) and handles; Transition cable (4) is wrapped on the transition wheel (3) according to the winding direction that main push-towing rope wheel is gone up cable in advance, and through pulley (6) the transition cable other end is fixed on the edge of fixed wheel (8) and draws with signal processor and link to each other.
2. by the non-slip-ring type underwater cable car of the described employing digital signal transmission of claim 1, it is characterized in that: described support (9) is
Shape,
Shape, square or cable lathe body.
3. press the non-slip-ring type underwater cable car that the described employing digital signal of claim 1 transmits, it is characterized in that: described signal processor is the computing machine that data collecting card is installed, perhaps based on the digital signal processor of TIC6000 series or C5400 series DSP chip.
4. by the non-slip-ring type underwater cable car of the described employing digital signal transmission of claim 1, it is characterized in that: described pulley arm stepping motor (5) is by controller control, or manual or automated manner work.
5. by the non-slip-ring type underwater cable car of the described employing digital signal transmission of claim 1, it is characterized in that: described main push-towing rope turbin generator (2) is alternating current dynamo or DC machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100958187A CN100453438C (en) | 2005-09-02 | 2005-09-02 | Non-slip-ring type underwater cable car transmitted by digital signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100958187A CN100453438C (en) | 2005-09-02 | 2005-09-02 | Non-slip-ring type underwater cable car transmitted by digital signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1923657A CN1923657A (en) | 2007-03-07 |
| CN100453438C true CN100453438C (en) | 2009-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100958187A Expired - Fee Related CN100453438C (en) | 2005-09-02 | 2005-09-02 | Non-slip-ring type underwater cable car transmitted by digital signal |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016190B (en) * | 2014-06-12 | 2017-01-04 | 北京华航无线电测量研究所 | A kind of large-diameter shaft cable is around axle draw off gear |
| DE102016221099A1 (en) * | 2016-10-26 | 2018-04-26 | Schill GmbH & Co. KG | cable drum |
| CN111498615B (en) * | 2020-04-24 | 2021-07-16 | 江苏中煤电缆有限公司 | Non-slip ring electric aviation cable reel |
| CN114852790A (en) * | 2022-06-02 | 2022-08-05 | 中钢集团郑州金属制品研究院股份有限公司 | Device for keeping continuous automatic paying-off and preventing wire torsion during wire rod reel changing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3997128A (en) * | 1974-12-18 | 1976-12-14 | The Furukawa Electric Co., Ltd. | Wire take up apparatus |
| JPS56165667A (en) * | 1980-05-24 | 1981-12-19 | Sumitomo Electric Ind Ltd | Energy conducting device for wire and cable wound on drum |
| JPS5723557A (en) * | 1980-07-15 | 1982-02-06 | Toshiba Electric Equip Corp | Elevating device |
| JPS60122671A (en) * | 1983-12-06 | 1985-07-01 | Hiroshi Mori | Device for winding and unwinding cable |
| CN1216744A (en) * | 1997-10-30 | 1999-05-19 | 中国科学院声学研究所 | Non-slip-ring type underwater trolley |
-
2005
- 2005-09-02 CN CNB2005100958187A patent/CN100453438C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3997128A (en) * | 1974-12-18 | 1976-12-14 | The Furukawa Electric Co., Ltd. | Wire take up apparatus |
| JPS56165667A (en) * | 1980-05-24 | 1981-12-19 | Sumitomo Electric Ind Ltd | Energy conducting device for wire and cable wound on drum |
| JPS5723557A (en) * | 1980-07-15 | 1982-02-06 | Toshiba Electric Equip Corp | Elevating device |
| JPS60122671A (en) * | 1983-12-06 | 1985-07-01 | Hiroshi Mori | Device for winding and unwinding cable |
| CN1216744A (en) * | 1997-10-30 | 1999-05-19 | 中国科学院声学研究所 | Non-slip-ring type underwater trolley |
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| CN1923657A (en) | 2007-03-07 |
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