CN103545022A - Multifunctional bidirectional high-density cable and application thereof - Google Patents
Multifunctional bidirectional high-density cable and application thereof Download PDFInfo
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- CN103545022A CN103545022A CN201310469779.7A CN201310469779A CN103545022A CN 103545022 A CN103545022 A CN 103545022A CN 201310469779 A CN201310469779 A CN 201310469779A CN 103545022 A CN103545022 A CN 103545022A
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- cable
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
- G01V11/002—Details, e.g. power supply systems for logging instruments, transmitting or recording data, specially adapted for well logging, also if the prospecting method is irrelevant
Abstract
The invention discloses a multifunctional bidirectional high-density cable and application thereof and relates to the field of geophysical exploration. The cable is provided with taps. A plurality of cable cores are disposed in the cable. The cable cores include bus cable cores and tap cable cores connected with the taps, first cable heads, second cable heads, first signal contact points and second signal contact points. The first cable heads and the second cable heads cut the tap cable cores into front parts and rear parts. Each first signal contact point and each second signal contact point are respectively connected with the corresponding first cable head and the corresponding second cable head. The first signal contact points and the second signal contact points separate the taps. The multi-core multi-tap testing cable can be applicable to high-density electrical method testing and earthquake method testing, dies, machines and tools required by production can be saved, required construction equipment can be reduced by carrying out two different testing methods, and construction wiring efficiency can be increased.
Description
Technical field
The present invention relates to geophysical prospecting equipment field, relate in particular to multi-function double-way high-density cable and application thereof.
Background technology
Geophysical exploration is called for short " physical prospecting ", with the principle geologize of physics, constructs and solve the method for problem in exploration prospecting.It is take the density, magnetic of various rocks and ore, electrically, the difference of the physical property such as elasticity, radioactivity is Research foundation, with different physical methods and geophysical prospecting equipment, survey the variation of natural or artificial geophysical field, by the Use of Geophysical Data of analyzing, research institute obtains, infer, explain geological structure and distribution of mineral deposits situation.Main geophysical prospecting method has at present: gravimetric prospecting, magnetic prospecting, electrical prospecting, seismic prospecting, radioactivity survey etc., wherein electrical prospecting and seismic prospecting, be that cost is lower, construction is the simplest, also two kinds of methods clearly of Effect on Detecting, in physical prospecting field, used on a large scale at present.
Electrical prospecting is according to rock and ore electrical properties (as conductivity, electrochemical activity, electromagnetic induction characteristic and dielectricity, i.e. so-called " electrical property difference "), to look for a kind of geophysical exploration method of ore deposit and geologize structure.Electrical prospecting is divided into two large classes: DC electrical method (comprising resistivity method, mise-a-la-masse method, natural electric field method and direct-current induced polarization method etc.) and AC electrical method (comprising alternating current induced polarization method, electromagnetic method, nagneto-telluric field method, radio wave penetration method and microwave method etc.).High-density electric grows up on usual electricity basis, compares with usual electricity, the advantages such as it has, and cost is low, efficiency is high, abundant information, explanation is convenient, exploration ability is strong.High-density electric refers to direct current High Density Resistivity, but owing to therefrom developing direct-current induced polarization method, so general designation high-density electric.
High density electric prospecting system is divided into two classes according to the difference of access and wire laying mode at present: centralized high density electric prospecting system and distributed high density electric prospecting system.The cable that wherein centralized high density electric prospecting system adopts is many taps of multicore high-density cable (hereinafter to be referred as " centralized cable "), and the cable that distributed high density electric prospecting system adopts is distributed intelligence cable (hereinafter to be referred as " distribution cable ").As Fig. 1, every core of centralized cable is connected with a tap, and tap is connected with electrode, thereby realizes being connected of electrode and electrode switch, therefore the quantity of core at least equals quantity on electrode, and the length of core is that electrode is to the length of electrode switch.If each tap need access the electrode of two types simultaneously, the quantity of core will double so, and cable weight also will increase greatly, so integrated system generally only carries out resistivity measurement and do not swash electrical testing.Distribution cable will transmit and receive the needed core in loop, with bus form, be distributed in high-density cable, across all taps, simultaneously in each tap, embed switched circuit, the tap exchange being conducted with electrode is connected on launching circuit, receiving loop or backlash road.Adopt this kind of mode can effectively reduce the quantity of core in cable, but distribution cable need to be in each tap integrated switched circuit, so the structural design of tap is very complicated, relies on manual production completely, efficiency is lower and involve great expense.If single tap damages, whole cable all cannot be used, and alternative costs are high.In addition, no matter be integrated system or distributed system, when carrying out high-current test, all need to strengthen the wire diameter of core in cable, thereby increased volume and the weight of cable.
During seismic test, each wave detector all needs two cores in large line cable (hereinafter to be referred as " large line ") to form a loop, as Fig. 2.Clearly, total line length in loop can change along with the difference of measuring point, therefore the noise jamming that different circuit is subject to and line resistance differ greatly, the accuracy of gained test result is affected.Consider the weight and volume of large line, at present the most widely used is that specification is 24 core 12 passages.While adopting this cable to test, from equipment wave detector farthest, compare with nearest wave detector, the length of measuring circuit differs 11 times, mean that two passages are all differed 11 times by the intensity of ambient noise interference, the line resistance that is linked into the cable of main frame, thereby cause the consistency between different passages can not be guaranteed.For high-precision seismic test, this error is considerable.
In addition, when testing the test surfaces of long or overlength, often adopt distributed survey line system, by multiple devices, cover section and measure, as Fig. 3.Therefore the efficient communication between each distribution apparatus, for improving testing efficiency, there is very important meaning, otherwise every equipment all must have professional to carry out Operation and Maintenance, and the test data on each equipment relies on manual copy mode to carry out aggregation process, and efficiency can be very low.And seismic prospecting is to detect, record the reflected wave of artificial excitation's earthquake, the propagation time of refracted wave, amplitude, waveform etc. to obtain related data, therefore require highly to the synchronism of time by instrument, therefore must possess special synchronizing function.In traditional test, every equipment all needs special messenger to control, and is therefore difficult in time the synchronism that reaches higher.Between equipment and equipment, often adopt the data transfer mode of wireless telecommunications, be subject to impact and the interference of surrounding environment, stability is not strong.
Although electrical method and seismic method are completely different in know-why, in Construction Arrangement and method of testing, have certain similitude.They all need to, on continuous test section, be arranged electrode or the wave detector of some, and adopt special multicore cable that electrode or wave detector are linked into Test Host according to certain interval.For longer test surfaces, conventionally adopt and have the independently system of overlapping to carry out distributed measurement more, or use larger longer cable, cover whole test zone, connect all electrodes or transducer.In actual test, consider the volume and weight of cable, therefore must limit length and the core number of cable.
Along with all kinds of physical prospectings application gradually to wider, longer section, more deeply, more remote regional development, for geophysical prospecting equipment system, very large challenge has also been proposed.On the one hand require equipment can cover larger test specification and longer test section, also require on the other hand that equipment volume is less, weight is lighter, be more convenient for carrying and carrying.
Summary of the invention
The present invention is directed to deficiency of the prior art and multi-function double-way high-density cable is provided; This multi-thread many taps of core test cable, can be used for carrying out high-density electric test, can be used for carrying out again the test of seismic method, thereby can be saved, produces required mould and facility; Carry out two kinds of different method of testings, not only can reduce the required equipment of construction, also can improve the efficiency of construction wiring.
Technical scheme of the present invention is as follows:
Multi-function double-way high-density cable, this cable is the cable with tap, cable is built-in with a plurality of cores, the tap core that described core is divided into bus core and is connected with tap, tap core is blocked to first the end of a thread and second the end of a thread into front and back position, and what be connected with second the end of a thread with first the end of a thread respectively is that tap is isolated into first signal contact point and secondary signal contact point.
Above-mentioned number of taps is 7～15.
Above-mentioned number of taps is preferably 10～12.
Above-mentioned bus core comprises function core and reserved core.
Function core in above-mentioned bus core covers all electrodes as launching circuit, receiving loop, communication loop and current supply circuit; Between two multi-function double-way high-density cables, there are two groups of identical electrode switches, the core in the cable of two of front and back is exchanged to respectively on launching circuit and receiving loop.
Function core in above-mentioned bus core covers all electrodes as launching circuit, receiving loop, communication loop and current supply circuit; Emission electrode and collecting electrode different in kind, each tap accesses two kinds of dissimilar electrodes simultaneously, by front and back electrode switch, electrode is exchanged on launching circuit and receiving loop.
Further, using the reserved core parallel connection in bus core as launching circuit, improve the ability to bear of cable to large electric current.
Further, using the reserved core parallel connection in bus core as launching circuit, improve the ability to bear of cable to large electric current.
Further, by one end access Test Host of cable, the other end accesses one group of wave detector, forms thus a test loop.
Further, by cable one end access Test Host, other end thereto, couples together all seismic detector main frames that distribute; Test phase, terminal box exchanges to bus core in tap; Data transfer phase, terminal box is switched to communication module by bus core.
Beneficial effect of the present invention: the present invention is multi-thread many taps of core test cable, can be used for carrying out high-density electric test, can be used for carrying out again the test of seismic method, is produced required mould and facility thereby can save; Carry out two kinds of different method of testings, not only can reduce the required equipment of construction, also can improve the efficiency of construction wiring.
Accompanying drawing explanation
Fig. 1 is centralized test cable schematic diagram;
Fig. 2 is traditional earthquake test cable schematic diagram;
Fig. 3 is traditional distributed seismic test schematic diagram;
Fig. 4 is multi-function double-way high-density cable schematic diagram of the present invention;
Fig. 5 is that multi-function double-way high-density cable of the present invention is applied to high-density electric test schematic diagram;
Fig. 6 is that multi-function double-way high-density cable of the present invention is applied to Distributed seismic test schematic diagram;
Fig. 7 is that terminal box is at different operating stage schematic diagram;
Fig. 8 is multi-function double-way high-density cable core figure in parallel.
Embodiment
For better explanation the present invention, existing in conjunction with the embodiments and accompanying drawing be further described.
Embodiment 1: multi-function double-way high-density cable is applied to high-density resistivity test
When multi-function double-way high-density cable is applied to resistivity measurement, its bus core covers all electrodes as launching circuit, receiving loop, communication loop and current supply circuit, electrode switch in cable end needs test transmit and receive loop respectively a certain exchange in 10～12 cores corresponding with tap connect, thereby electrode is selected.Uncertain owing to existing between launching circuit and receiving loop and tap/electrode, therefore, electrode can all access electrode switch continued access to main frame.The present embodiment, when for the longer section of test, can be connected cable head and the tail one by one, has greatly reduced weight of equipment, more convenient during field work.Meanwhile, unit cable length is shorter, and when doing rolling test, step-length is less, and blind area is less, fathoms darker, is applicable to the test of rolling.Electrode switch of the present invention concentrates on cable end part, so tap is simple in structure, and cost of manufacture is low, and production efficiency is high.Due to cable part and the structurally isolation completely of electrode switch, while therefore scrapping when wearing and tearing appears in cable, internal wiring disconnects, only need to change cable part, cost is lower.
Embodiment 2: multi-function double-way high-density cable is applied to swash electrical testing
The present embodiment adopts two-way exchange function of the present invention, when coordinating multi-function double-way high-density cable to test, emission electrode can be articulated in to P1 upper, and collecting electrode is articulated on P2.When Test Host need to be using certain electrode as emission electrode, the front end switch of this electrode, can be connected to electrode exchange on launching circuit, when this electrode of needs is during as collecting electrode,, by the switch of electrode rear end, electrode is exchanged on receiving loop.In the situation that not increasing core and cable, realized sharp electric high-density test requirement.
Embodiment 3: multi-function double-way high-density cable is applied to seismic test
By one end access instrument host of cable, the other end connects by wire jumper, accesses one group of wave detector, forms thus a loop.If number of taps is N, spacing is L, and the total line length Y in loop that measuring point M forms is:
Y＝N*L+(M+N*L-M)＝2NL
Visible, overall length perseverance in loop is 2NL, location-independent with measuring point.Therefore, the present invention is when for seismic test, and the suffered dry noise in each loop is disturbed with line resistance difference little.
When surveyed section is longer, the present invention is also applicable to Distributed Measurement System.As Fig. 6, cable one end access instrument host, other end thereto, couples together all seismic detector main frames that distribute.As Fig. 7, test signal be identified and be processed to terminal box can, at test phase, terminal box by the bus switch of every cable to tap, thereby form the test loop of wave detector, and the loop length of each wave detector is on all four.After test finishes, terminal box can be by bus switch on communication module, the transfer of data between finishing equipment.In this way, only need a people to control a main frame, temporal synchronism is high.Meanwhile, the bus of use cable inside is carried out transfer of data not only makes transfer of data more convenient, also can improve accuracy and the reliability of data.
In addition, in electrical method test, consider that in actual test, launching circuit need to carry emission current constantly, and any one tap is seldom as the number of times of emission electrode, in real work carry that a sky compares will be far below launching circuit bus.While therefore considering current carrying capacity, the core wire diameter being connected with tap on cable, can be only 1/3～1/4 of launching circuit bus.Thus, when determining core wire diameter according to emission maximum electric current, can reduce to the wire diameter (quantity of this class line occupies the majority in cable) of the core of tap, and improve the wire diameter of transmitting bus., convenient for production and processing, also can adopt the core of multicore same size, but can reserve the bus of some, in switch, carry out parallel connection, as Fig. 8, thereby reach the object of motor current ability.Adopt the wire diameter of this technology increase launching circuit bus, can not only promote the bearing capacity of emission current, can also effectively reduce the line resistance on launching circuit, allow more electric current participate in test transmitting, promote testing efficiency and the quality of data.
By the present invention can be realized to resistivity measurement, swashs electrical testing and seismic test in conjunction with different equipment.When producing, only need a mold, reduced production cost.In use, only do not need to carry a set of cable machinery, and arrange for same time, can carry out the test of three kinds of methods, saved human and material resources and time.
Claims (10)
1. multi-function double-way high-density cable, it is characterized in that: this cable is the cable with tap, cable is built-in with a plurality of cores, the tap core that described core is divided into bus core and is connected with tap, tap core is blocked to first the end of a thread and second the end of a thread into front and back position, and what be connected with second the end of a thread with first the end of a thread respectively is that tap is isolated into first signal contact point and secondary signal contact point.
2. multi-function double-way high-density cable according to claim 1, is characterized in that: described number of taps is 7～15.
3. according to multi-function double-way high-density cable described in claim 1 and 2, it is characterized in that: described number of taps is preferably 10～12.
4. multi-function double-way high-density cable according to claim 1, is characterized in that: described bus core comprises function core and reserved core.
5. according to multi-function double-way high-density cable described in claim 1 and 4, be applied to high-density resistivity test, it is characterized in that: the function core in described bus core covers all electrodes as launching circuit, receiving loop, communication loop and current supply circuit; Between two multi-function double-way high-density cables, there are two groups of identical electrode switches, the core in the cable of two of front and back is exchanged to respectively on launching circuit and receiving loop.
6. according to multi-function double-way high-density cable described in claim 1 and 4, be applied to high density and swash electrical testing, it is characterized in that: the function core in described bus core covers all electrodes as launching circuit, receiving loop, communication loop and current supply circuit; Emission electrode and collecting electrode different in kind, each tap accesses two kinds of dissimilar electrodes simultaneously, by front and back electrode switch, electrode is exchanged on launching circuit and receiving loop.
7. according to multi-function double-way high-density cable described in claim 1 and 4, be applied to large electric current high-density resistivity test, it is characterized in that: using the reserved core parallel connection in bus core as launching circuit, improve the ability to bear of cable to large electric current.
8. according to multi-function double-way high-density cable described in claim 1 and 4, be applied to large electric current high density and swash electrical testing, it is characterized in that: using the reserved core parallel connection in bus core as launching circuit, improve the ability to bear of cable to large electric current.
9. multi-function double-way high-density cable is applied to seismic test according to claim 1, it is characterized in that: by one end access Test Host of cable, the other end accesses one group of wave detector, forms thus a test loop.
10. multi-function double-way high-density cable is applied to Distributed seismic test according to claim 1, it is characterized in that: by cable one end access Test Host, other end thereto, couples together all seismic detector main frames that distribute; Test phase, terminal box exchanges to bus core in tap; Data transfer phase, terminal box is switched to communication module by bus core.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310469779.7A CN103545022A (en) | 2013-09-30 | 2013-09-30 | Multifunctional bidirectional high-density cable and application thereof |
| PCT/CN2014/083852 WO2015043320A1 (en) | 2013-09-30 | 2014-08-07 | Multifunctional two-way high-density cable and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310469779.7A CN103545022A (en) | 2013-09-30 | 2013-09-30 | Multifunctional bidirectional high-density cable and application thereof |
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| CN103545022A true CN103545022A (en) | 2014-01-29 |
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| CN201310469779.7A Pending CN103545022A (en) | 2013-09-30 | 2013-09-30 | Multifunctional bidirectional high-density cable and application thereof |
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| WO (1) | WO2015043320A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299716A (en) * | 2014-10-15 | 2015-01-21 | 谢安军 | High-voltage transmission power cable |
| WO2015043320A1 (en) * | 2013-09-30 | 2015-04-02 | 深圳市钡盛机电设备有限公司 | Multifunctional two-way high-density cable and application thereof |
| CN104678447A (en) * | 2015-03-27 | 2015-06-03 | 中国矿业大学 | High-efficiency data acquisition system adopting mine direct-current electrical method and method of high-efficiency data acquisition system |
| CN108227004A (en) * | 2018-01-03 | 2018-06-29 | 重庆深地科技有限公司 | A kind of high density alternating current-direct current swashs electric system and its method of work |
| CN109633755A (en) * | 2018-12-26 | 2019-04-16 | 华北科技学院 | A kind of cable combination formula high-density electric instrument |
| CN111983694A (en) * | 2020-07-29 | 2020-11-24 | 河海大学 | Movable high-density electrical grounding device and use method thereof |
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| CN108227004B (en) * | 2018-01-03 | 2019-08-09 | 国科（重庆）仪器有限公司 | A kind of high density alternating current-direct current swashs electric system and its working method |
| CN109633755A (en) * | 2018-12-26 | 2019-04-16 | 华北科技学院 | A kind of cable combination formula high-density electric instrument |
| CN111983694A (en) * | 2020-07-29 | 2020-11-24 | 河海大学 | Movable high-density electrical grounding device and use method thereof |
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| Publication number | Publication date |
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| WO2015043320A1 (en) | 2015-04-02 |
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Address after: 518000, Guangdong, Nanshan District hi tech, two, a long Park, 2 new materials, port 10, on the eastern side of the Shenzhen Applicant after: SHENZHEN SAIYING DIMAI TECHNOLOGY CO., LTD. Address before: 518000, room five, building two, 502, 10 dimensional Road, Nanshan District, Guangdong, Shenzhen Applicant before: Shenzhen Bei Sheng mechanical & electronic equipment corporation, Ltd |
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Application publication date: 20140129 |