CN202676929U - Read-write apparatus of digital unit of offshore earthquake cable - Google Patents
Read-write apparatus of digital unit of offshore earthquake cable Download PDFInfo
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- CN202676929U CN202676929U CN 201220269513 CN201220269513U CN202676929U CN 202676929 U CN202676929 U CN 202676929U CN 201220269513 CN201220269513 CN 201220269513 CN 201220269513 U CN201220269513 U CN 201220269513U CN 202676929 U CN202676929 U CN 202676929U
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Abstract
The utility model discloses a read-write apparatus of a digital unit of an offshore earthquake cable, which is to overcome the disadvantages in the present offshore earthquake cable that when the digital unit has a fault, the maintenance difficulty is large and the efficiency is low. The read-write apparatus comprises a body; a cable front joint connected to a cable test system and a cable back joint connected to a fault cable are led out from the body; a first data line front joint, a first data line back joint, a second data line front joint and a second data line back joint led out form the body are also included; and a change over switch arranged on the body for transition between the first data line and the second data line is also included. According to the utility model, the reliability of an embodiment is high, the accuracy and efficiency are high, and cable maintenance is labor saving and time saving.
Description
Technical field
The utility model relates to the reading and writing data technology, relates in particular to a kind of read-write equipment of digital units of offshore seismic cable.
Background technology
Offshore seismic exploration SEAL cable is the electronic equipment of acquiring seismic data.It comprises two data line QUADLINE1(can be referred to as the first data line) and QUADLINE2(can be referred to as the second data line) and 6 FDU2M(digital units), every section ALS(working cable) comprise 12 working paths, each digital units is controlled 2 roads.In 6 digital units, the 1st, 3,5 digital units connected by the first data line, and the 2nd, 4,6 digital units connected by the second data line.The sequence number of ALS and the location number of digital units all are stored in the FDU2M electronic memory, allow to come management cable by Cable Testing System.
For this offshore seismic cable, in case breaking down, certain digital units just will cause the work that is connected on other digital units on the same data line, and then the normal production of impact.Generally find out of order digital units by the maintenance personal when breaking down, and keep in repair by the mode of replacing.This maintenance job intensity is large, and the cable maintenance progress is slow, inefficiency.
The utility model content
Technical problem to be solved in the utility model is to overcome the break down deficiency of the large inefficiency of rear maintenance difficulty of digital units in the present offshore seismic cable.
In order to solve the problems of the technologies described above, the utility model provides a kind of read-write equipment of digital units of offshore seismic cable, comprise body, from body draw and be used for being connected to the cable front connector on the Cable Testing System and be connected to cable on the failure cable after joint; Also comprise joint behind joint behind the first data line front connector of drawing from body, the first data line, the second data line front connector and the second data line, and be arranged on the body and the switch of between the first data line and the second data line, changing.
Preferably, change-over switch is connected to the first data line front connector on the Cable Testing System and with joint behind the first data line and is connected on the failure cable, perhaps the second data line front connector is connected on the Cable Testing System and with joint behind the second data line to be connected on the failure cable.
Preferably, be provided with the contact on the joint behind joint, the second data line front connector and the second data line behind switch, the first data line front connector, the first data line.
Preferably, switch is the multiconductor mechanical switch.
Compared with prior art, example structure of the present utility model is reasonable, easy to use and cost is lower.Embodiment reliability of the present utility model is high, accuracy is high and efficient is high, and cable maintenance is time saving and energy saving.
Description of drawings
Fig. 1 is the organigram of read-write equipment of the digital units of the utility model embodiment.
Embodiment
Describe embodiment of the present utility model in detail below with reference to drawings and Examples, how the application technology means solve technical matters to the utility model whereby, and the implementation procedure of reaching technique effect can fully understand and implements according to this.Each feature among the utility model embodiment and the embodiment mutually combining under the prerequisite of not conflicting mutually is all within protection domain of the present utility model.
As shown in Figure 1, joint 17 behind joint 15, the second data line front connector 16 and the second data line behind joint 13, the first data line front connector 14, the first data line is arranged on the switch 18 on the body 11 behind the cable front connector 12 that the read-write equipment of the digital units of the utility model embodiment mainly comprises body 11, draw from body 11, the cable.
Cable front connector 12 is be used to being connected to Cable Testing System, and joint 13 is be used to being connected to failure cable behind the cable, and the read-write equipment tandem that so is about to the utility model embodiment is linked into the first cable and is connected in the circuit that cable connects.
Switch 18 is used for changing between the first data line and the second data line, the first data line front connector 14 is connected on the Cable Testing System, and joint 15 behind the first data line is connected on the failure cable; Perhaps the second data line front connector 16 is connected on the Cable Testing System, and joint 17 behind the second data line is connected on the failure cable.
Switch 18 in the utility model adopts data-switching switch 18 conversion equipments that the data of QUADLINE1 and QUADLINE2 two-way are carried out the relevant design of data, thereby greatly reduces cost, has improved the cable maintenance work efficiency.
Embodiment of the present utility model is when using, by the Cable Testing System instruction the data content addition of QUADLINE1 and QUADLINE2, and the result deposited in the cable first digit unit electronic memory, like this, QUADLINE1 below it is all relevant with first FDU2M with QUADLINE2, thereby allows to come management cable by Cable Testing System.
Be provided with the contact on the joint 17 behind joint 15, the second data line front connector 16 and the second data line behind switch 18 among the embodiment of the present utility model, the first data line front connector 14, the first data line, so synchronously output switch minute, close signal, so that the speed that the contact disconnects accelerated, Effective Raise its reliable breaking.Embodiment of the present utility model carries out cascade by modularization composite structure with these contacts.Switch among the utility model embodiment is the multiconductor mechanical switch, and principle is simple, durable.
Switch among the embodiment of the present utility model adopts the spring-piece type actuating mechanism, and the contact has self-cleaning function and mechanical forced break function, open apart from large, arc resistance can be good, so reliability is high, electrical endurance is long.Thereby the purpose that reach easy to use, low-cost, efficient is high.
The head of working cable or afterbody series connection access the utility model embodiment will read-write equipment, can consist of the several data loop, cheat Cable Testing System and reach by man-machine interaction and come management cable thereby trap data is set.Sequence number that can the reading writing working cable and the location number of FDU2M.
When the read-write equipment series connection with the utility model embodiment accesses cable, and the input between the digital units that breaks down on the cable, output terminal are consistent.The above-mentioned trap data that arranges is exactly that manual operation setting is read and write out FDU2M data cable is carried out data management.Cable Testing System is to come management cable work by the data such as location number of sequence number and digital units in the FDU2M electronic memory.
One section cable has 6 FDU2M, identifier is respectively 1,2,3,4,5,6, the sequence number of ALS and the location number of digital units all are stored in the FDU2M electronic memory, and Cable Testing System is determined the particular location of FDU2M on cable that break down by the location number of sequence number and digital units.
Embodiment of the present utility model not only can significantly reduce the working strength of maintenance, and can significantly improve work efficiency.Embodiment of the present utility model is maintenance cable effectively, provides powerful support for the production of offshore seismic exploration one line.
Although the disclosed embodiment of the utility model as above, the embodiment that described content just adopts for the ease of understanding the utility model is not to limit the utility model.Those of skill in the art under any the utility model; under the prerequisite that does not break away from the disclosed spirit and scope of the utility model; can do any modification and variation in the details that reaches of implementing in form; but scope of patent protection of the present utility model still must be as the criterion with the scope that appending claims was defined.
Claims (4)
1. the read-write equipment of the digital units of an offshore seismic cable is characterized in that, comprise body, from body draw and be used for being connected to the cable front connector on the Cable Testing System and be connected to cable on the failure cable after joint; Also comprise joint behind joint behind the first data line front connector of drawing from body, the first data line, the second data line front connector and the second data line, and be arranged on the body and the switch of between the first data line and the second data line, changing.
2. read-write equipment according to claim 1, it is characterized in that, change-over switch is connected to the first data line front connector on the Cable Testing System and with joint behind the first data line and is connected on the failure cable, perhaps the second data line front connector is connected on the Cable Testing System and with joint behind the second data line to be connected on the failure cable.
3. read-write equipment according to claim 1 is characterized in that, is provided with the contact on the joint behind joint, the second data line front connector and the second data line behind switch, the first data line front connector, the first data line.
4. read-write equipment according to claim 1 is characterized in that, switch is the multiconductor mechanical switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220269513 CN202676929U (en) | 2012-06-08 | 2012-06-08 | Read-write apparatus of digital unit of offshore earthquake cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220269513 CN202676929U (en) | 2012-06-08 | 2012-06-08 | Read-write apparatus of digital unit of offshore earthquake cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202676929U true CN202676929U (en) | 2013-01-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220269513 Expired - Fee Related CN202676929U (en) | 2012-06-08 | 2012-06-08 | Read-write apparatus of digital unit of offshore earthquake cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202676929U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967784A (en) * | 2012-11-26 | 2013-03-13 | 中国海洋石油总公司 | Fault detection method and device for digital unit on offshore earthquake exploration cable |
-
2012
- 2012-06-08 CN CN 201220269513 patent/CN202676929U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967784A (en) * | 2012-11-26 | 2013-03-13 | 中国海洋石油总公司 | Fault detection method and device for digital unit on offshore earthquake exploration cable |
| CN102967784B (en) * | 2012-11-26 | 2014-12-03 | 中国海洋石油总公司 | Fault detection method and device for digital unit on offshore earthquake exploration cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20180608 |