CN205141655U - 400 series seismic data acquisition system power polarity, overload protective device - Google Patents
400 series seismic data acquisition system power polarity, overload protective device Download PDFInfo
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- CN205141655U CN205141655U CN201520730617.9U CN201520730617U CN205141655U CN 205141655 U CN205141655 U CN 205141655U CN 201520730617 U CN201520730617 U CN 201520730617U CN 205141655 U CN205141655 U CN 205141655U
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Abstract
The utility model provides a serial seismic data acquisition system power polarity, fastened coupling devices, it includes diode D1 and fast acting fuse F1, F2, this protector circuit places in by on protective apparatus's the mains operated input connection line, the positive pole of power connects fast acting fuse F1's one end, another terminating diode D1's of fast acting fuse F1 negative pole, the negative pole of power connects fast acting fuse F2's one end, another terminating diode D1's of fast acting fuse F2 positive pole, the tie point of fast acting fuse F1 and diode D1 negative pole connects load LAU anode mains operated input line, fast acting fuse F2 and the anodal tie point of diode D1 connect load LAU negative terminal mains operated input line, the utility model has the advantages of simple structure, make convenient, cheap, small, light in weight, power consumptive province, the protection action rapidly during not power consumptive when being failure to actuate, action, the guard action is big. The equipment price of being protected is extremely expensive, and the flower stiver is done great thing.
Description
Technical field
The utility model relates to 400 serial system for acquiring seismic data, especially the power protection of 400 serial system for acquiring seismic data, specifically a kind of 400 serial system for acquiring seismic data electric power polarities, overload protective device.
Background technology
At present, 400 serial system for acquiring seismic data are current the most widely used system for acquiring seismic data.To the end of the year 2012, the whole world will have 400 serial system for acquiring seismic data 742 to overlap 3,150,000 road, and China has 400 serial system for acquiring seismic data 363 to overlap 1,560,000 road.Domestic more than 2/3 seismic crew is at the serial system for acquiring seismic data of use 400.400 serial system for acquiring seismic data block diagrams as shown in Figure 1.
400 serial system for acquiring seismic data carry out earthquake data acquisition, transmission and record.Battery is powered to acquisition station by power station LAU, the slight earthquake signal that wave detector receives by acquisition station amplifies, sample with the suitable sampling interval, convert the data flow of 24 seat samples to, be sent to large wire management parts, carry out filtering, extraction, compression, the central location being finally sent to system is recorded.
Each LAUL(power station), LAUX(cross-station), its with carry power supply a FDU(acquisition station) be 48, each FDU(acquisition station) be 6,000 dollar, then this string FDU(acquisition station) nearly 300,000 dollar, each LAUL(power station) be 11,000 dollar, each LAUX(cross-station) be 30,000 dollar, then the total value of a string acquisition link is just up to 330,000 dollar, and amounting to RMB is exactly 2,000,000 yuan.This system is common is configured to 3000 roads, then total price is 330,000 dollar × (3000 ÷ 48 ≈ 63)=20,790,000 dollar, amounts to RMB about 128,898,000 yuan.More key is indirectly economic benefit: because equipment is once damage because of powerup issue, then field produces and just cannot carry out, and often incur loss through delay one day field and produce, it loses hundreds thousand of unit at least.
The reason of device damage: this equipment is sequential production operation day and night usually in the wild, in addition because a large amount of civilian worker's field work is not too skilled, therefore the possibility of battery wrong is very big, once wrong, light then equipment cannot normally work, heavy then damage equipment, and this is one.It two is just in case load short circuits, and fault just expands rapidly, even has possibility of initiation fire, and such example and lesson are a lot.
Summary of the invention
The purpose of this utility model is for the problems referred to above, proposes a kind of 400 serial system for acquiring seismic data electric power polarities, overload protective device.
The technical solution of the utility model is:
A kind of 400 serial system for acquiring seismic data electric power polarities, overload protective device, it comprises diode D1 and fast acting fuse F1, F2, this protector circuit is placed on the Power supply input connecting line of protected equipment, namely the positive pole of 400 serial system for acquiring seismic data power supplys connects one end of fast acting fuse F1, the negative pole of another terminating diode D1 of fast acting fuse F1, the negative pole of 400 serial system for acquiring seismic data power supplys connects one end of fast acting fuse F2, the positive pole of another terminating diode D1 of fast acting fuse F2, the tie point of fast acting fuse F1 and diode D1 negative pole connects protected equipment and load LAU anode Power supply input line, the tie point of fast acting fuse F2 and diode D1 positive pole connects protected equipment and load LAU negative terminal Power supply input line.
Fuse F1, F2 of the present utility model adopt fast acting fuse.
The current capacity of fuse F1, F2 of the present utility model is 1 ampere, and operating voltage is more than 50V.
The forward operating current of diode D1 of the present utility model is five to ten times of protected equipment and load LAU normal power supply electric current.
The forward operating current of diode D1 of the present utility model is 5 ~ 10A, and it is oppositely withstand voltage is more than 100V.
In the utility model; when powering to load LAU; first connect power connection; after connect load LAU plug, if electric power polarity is correct, then give load equipment normal power supply; if electric power polarity mistake; then electric power polarity, overload protective device action, one of them quick fuse of fast acting fuse F2, F1, the power supply of incorrect polarity thoroughly disconnects.The power supply of incorrect polarity adds less than on load LAU at all, fully and completely ensure that the safety of equipment; In addition; short trouble is there is once load and equipment; one of them quick fuse in fast acting fuse F2, F1 in DC power polarity, overload protective device; then thoroughly cut off the electricity supply fast; fast and effeciently protect this equipment; stop the expansion of fault, even effectively prevent the initiation of fire.
The beneficial effects of the utility model:
The serial system for acquiring seismic data electric power polarity of the utility model 400, overload protective device thoroughly can stop the generation of the problems referred to above.One is when battery polar wrong, and fast acting fuse fuses, and the battery polar of mistake is added less than on equipment at all, ensure that the safety of equipment.Two is just in case load short circuits, and fast acting fuse fuses, and effectively prevent the expansion of fault, even effectively prevent the initiation of fire.
The serial system for acquiring seismic data electric power polarity of the utility model 400, the economic benefit of overload protective device: as described in the background art, each LAUL(power station), LAUX(cross-station), its with carry power supply a FDU(acquisition station) be 48, each FDU(acquisition station) be 6, 000 dollar, then this string FDU(acquisition station) nearly 300, 000 dollar, each LAUL(power station) be 11, 000 dollar, each LAUX(cross-station) be 30, 000 dollar, then the total value of a string acquisition link is just up to more than 30 ten thousand dollars, amounting to RMB is exactly 2, 000, 000 yuan.400 serial system for acquiring seismic data are common is configured to 3000 roads, then total price is 330,000 dollar × (3000 ÷ 48 ≈ 63)=20,790,000 dollar, amounts to RMB about 128,898,000 yuan.More key is indirectly economic benefit: because equipment is once damage, then field produces and just cannot carry out, and often incurs loss through delay one day field and produces, and its loss is at least more than hundreds thousand of unit, so its direct economic benefit is extremely significant.
DC power polarity of the present utility model, overload protective device also can be widely used in the equipment of any use DC power supply or use the occasion of DC power supply, as the instrument, instrument, electric tool etc. of DC power supply; The equipment such as automobile, electric motor car; Industrial or household electrical appliance; Electronic toy etc.
DC power polarity of the present utility model, overload protective device, its structure is simple, easy to make, cheap, volume is little, lightweight, power consumptive province, and when not power consumption when being failure to actuate, action, protection act is rapid, protective effect is large.Protected equipment price is extremely expensive, and flower stiver is done great thing.
Accompanying drawing explanation
Fig. 1 is 400 serial system for acquiring seismic data block diagrams.
Fig. 2 is circuit diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and this enforcement, the utility model is further described.
As shown in Figure 2, a kind of 400 serial system for acquiring seismic data electric power polarities, overload protective device, it comprises diode D1 and fast acting fuse F1, F2, this protector circuit is placed on the Power supply input connecting line of protected equipment, namely the positive pole of 400 serial system for acquiring seismic data power supplys connects one end of fast acting fuse F1, the negative pole of another terminating diode D1 of fast acting fuse F1, the negative pole of 400 serial system for acquiring seismic data power supplys connects one end of fast acting fuse F2, the positive pole of another terminating diode D1 of fast acting fuse F2, the tie point of fast acting fuse F1 and diode D1 negative pole connects protected equipment and load LAU anode Power supply input line, and the tie point of fast acting fuse F2 and diode D1 positive pole connects protected equipment and load LAU negative terminal Power supply input line.
In the utility model, give load LAU power time, first connect power connection, after connect load LAU attaching plug, if electric power polarity is correct, then give load equipment normal power supply, if electric power polarity mistake, then electric power polarity, overload protective device action, one of them quick fuse of fast acting fuse F2, F1, the power supply of incorrect polarity thoroughly disconnects, and the power supply of incorrect polarity adds less than on load LAU at all, fully and completely ensure that the safety of equipment; In addition; short trouble is there is once load and equipment; one of them quick fuse in fast acting fuse F2, F1 in DC power polarity, overload protective device; then thoroughly cut off the electricity supply fast; fast and effeciently protect this equipment; stop the expansion of fault, even effectively prevent the initiation of fire.
The selection of fast acting fuse F2, F1 current capacity: DC power polarity of the present utility model, overload protective device, need to match with the supply current of protected equipment, namely be determined by circumstances according to the supply current of protected equipment, the supply current hour of the little i.e. equipment of load, then select fast acting fuse F2, F1 that current capacity is little; Otherwise, when the supply current of load greatly namely equipment is large, then select fast acting fuse F2, F1 that current capacity is large.In DC power polarity, overload protective device, the selection of fast acting fuse F2, F1 current capacity will match with the supply current of protected equipment in a word.In concrete enforcement, the selection of fast acting fuse F2, F1 current capacity is larger than the normal power supply electric current of equipment.
The selection of fast acting fuse F2, F1 operating voltage: DC power polarity of the present utility model, overload protective device; need to match with the supply power voltage of protected equipment: be namely determined by circumstances according to the supply power voltage of use occasion; the fast acting fuse that operating voltage is low is then selected in the use occasion that supply power voltage is low; otherwise the fast acting fuse that operating voltage is high is then selected in the use occasion that supply power voltage is high.In DC power polarity, overload protective device, the selection of fast acting fuse F2, F1 operating voltage will match with the operating voltage of protected equipment in a word.In concrete enforcement, the selection outline of fast acting fuse F2, F1 operating voltage is higher than the normal power supply voltage of equipment.
The selection of diode D1 forward operating current: DC power polarity of the present utility model, overload protective device; the forward operating current of its diode D1 is much higher than the normal power supply electric current of protected equipment, as being five times in or decupling the normal power supply electric current of protected equipment.From cost of manufacture consider, when reverse withstand voltage identical, the diode that forward operating current is large, its price is generally higher than the diode that forward operating current is little.In concrete enforcement, the selection of diode D1 forward operating current is five times in or decuples the normal power supply electric current of protected equipment.
The selection that diode D1 is oppositely withstand voltage: DC power polarity of the present utility model, overload protective device, the selection that its diode D1 is oppositely withstand voltage also will match with the supply power voltage of protected apparatus.Namely be determined by circumstances according to the supply power voltage of use occasion: the oppositely resistance to diode forced down then is selected in the use occasion that supply power voltage is low, otherwise reverse withstand voltage high diode is then selected in the use occasion that supply power voltage is high.Also be consider from cost of manufacture, when forward operating current is identical, reverse withstand voltage high diode, its price is generally higher than the reverse resistance to diode forced down.In concrete enforcement, the selection outline that diode D1 is oppositely withstand voltage is higher than the normal power supply voltage of equipment.
In a word; the selection principle of protection diode D1 is: its forward operating current should be unsuitable little greatly; its reverse withstand voltage suitable height should not be low; like this when DC power polarity, overload protective device action; as long as change DC power polarity, fast acting fuse F2, F1 in overload protective device, and protect diode D1 normally not need to change.To improve DC power polarity, the reliability of overload protective device and ease of use.
The selection of circuit components temperature in DC power polarity, overload protective device: protection diode D1, two fast acting fuses F1, F2, its operating temperature range will match with the operating temperature range of protected equipment.
During concrete enforcement:
400 serial system for acquiring seismic data DC power polarity, overload protective device.400 serial field ground-based electronic equipment LAUL(power stations), LAUX(cross-station), its with carry power supply a FDU(acquisition station), when FDU(acquisition station) between cable length be 60 meters, when message transmission rate is 16Mbps, with carry power supply a FDU(acquisition station) be 48, each FDU(acquisition station) power consumption be 132mw, then power consumption total amount is: 132mw × 48=6.4W, considering power conversion efficiency and line transmission loss and appropriate surplus, is then 10W.Supplying cell voltage is 12V, then supply current is 0.85 ampere.In sum, therefore the current capacity of selected fast acting fuse F1, F2 is 1 ampere, and fast acting fuse F2, F1 operating voltage is higher than 50V.And the forward operating current extrapolating protection diode D1 is thus 5 ~ 10A, it is oppositely withstand voltage is more than 100V.
In the specific implementation, as long as the relevant components and parts of this circuit are connected directly between LAUL(power station), LAUX(cross-station) attaching plug powered battery input connecting line on, both simple and convenient, gain in weight hardly again.With normally uses identical: during work, when connection is correct, this DC power polarity, overload protective device are failure to actuate.Once connection error, this DC power polarity, overload protective device be moment action rapidly just.Operation principle is see Fig. 2: protection diode D1 conducting; electric current flows through fast acting fuse F2, protection diode D1, fast acting fuse F1; one of them fast acting fuse in fast acting fuse F2, F1 is fused; then the DC power supply of incorrect polarity adds less than on this equipment (400 serial field ground-based electronic equipment LAUL power stations, LAUX cross-station) at all, thus quick this equipment of available protecting.In addition; short trouble is there is once load and equipment; one of them quick fuse in fast acting fuse F2, F1 in DC power polarity, overload protective device; then thoroughly cut off the electricity supply fast; fast and effeciently protect this equipment; stop the expansion of fault, even effectively prevent the initiation of fire.
The utility model does not relate to the part prior art that maybe can adopt all same as the prior art and is realized.
Claims (6)
1. a serial system for acquiring seismic data electric power polarity, overload protective device, it is characterized in that it comprises diode D1 and fuse F1, F2, this protector circuit is placed on the Power supply input connecting line of protected equipment, namely the positive pole of 400 serial system for acquiring seismic data power supplys connects one end of fuse F1, the negative pole of another terminating diode D1 of fuse F1, the negative pole of 400 serial system for acquiring seismic data power supplys connects one end of fuse F2, the positive pole of another terminating diode D1 of fuse F2, the tie point of fuse F1 and diode D1 negative pole connects protected equipment and load LAU anode Power supply input line, the tie point of fuse F2 and diode D1 positive pole connects protected equipment and load LAU negative terminal Power supply input line.
2. 400 serial system for acquiring seismic data electric power polarities according to claim 1, overload protective device, is characterized in that described fuse F1, F2 adopt fast acting fuse.
3. 400 serial system for acquiring seismic data electric power polarities according to claim 2, overload protective device, it is characterized in that the current capacity of described fast acting fuse F1, F2 is 1 ampere, operating voltage is more than 50V.
4. 400 serial system for acquiring seismic data electric power polarities according to claim 1, overload protective device, is characterized in that the forward operating current of described diode D1 is five to ten times of protected equipment and load LAU normal power supply electric current.
5. 400 serial system for acquiring seismic data electric power polarities according to claim 4, overload protective device, is characterized in that the forward operating current of described diode D1 is 5 ~ 10A, and it is oppositely withstand voltage is more than 100V.
6. 400 serial system for acquiring seismic data electric power polarities according to claim 1, overload protective device; it is characterized in that when powering to load LAU; first connect power connection; after connect load LAU attaching plug, if electric power polarity is correct, then give load equipment normal power supply; if electric power polarity mistake; then electric power polarity, overload protective device action, one of them quick fuse of fuse F2, F1, the power supply of incorrect polarity thoroughly disconnects.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520730617.9U CN205141655U (en) | 2015-09-21 | 2015-09-21 | 400 series seismic data acquisition system power polarity, overload protective device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520730617.9U CN205141655U (en) | 2015-09-21 | 2015-09-21 | 400 series seismic data acquisition system power polarity, overload protective device |
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| CN205141655U true CN205141655U (en) | 2016-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105591378A (en) * | 2015-09-21 | 2016-05-18 | 中石化石油工程技术服务有限公司 | Seismic data acquisition system power supply polarity and overload protector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105591378A (en) * | 2015-09-21 | 2016-05-18 | 中石化石油工程技术服务有限公司 | Seismic data acquisition system power supply polarity and overload protector |
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