CN202888828U - Lightning protection instrument for sensor data collecting and processing system - Google Patents
Lightning protection instrument for sensor data collecting and processing system Download PDFInfo
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- CN202888828U CN202888828U CN 201220625270 CN201220625270U CN202888828U CN 202888828 U CN202888828 U CN 202888828U CN 201220625270 CN201220625270 CN 201220625270 CN 201220625270 U CN201220625270 U CN 201220625270U CN 202888828 U CN202888828 U CN 202888828U
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Abstract
The utility model discloses a lightning protection instrument for a sensor data collecting and processing system. The lightning protection instrument is arranged in a cabinet of an external comprehensive logging instrument, and a metal shell of the lightning protection instrument is grounded. The lightning protection instrument comprises a sensor lightning protection system and a power supply lightning protection system, wherein the input end of the sensor lightning protection system is connected with an external sensor; the output end of the sensor lightning protection system is connected with the input end of an external sensor data processor; and the power supply lightning protection system is respectively connected with a sensor power supply and the external sensor data processor. The lightning protection instrument has the inhibiting capability and a protective effect on a lightning pulse which is introduced into the sensor end and the power supply end by external lightning stroke, the normal operation of the sensor data processor and an industrial personal computer can be effectively and reliably guaranteed, a guarantee is provided for the quality of the data collecting and processing system of the comprehensive logging instrument, the user operation can be visualized and convenient by a real-time indicating lamp of an operating state of a lightning arrester, and an effective means is provided for processing system faults.
Description
Technical field
The utility model relates to a kind of lightning protection instrument, particularly a kind of lightning protection instrument for the sensor data acquisition treatment system.
Background technology
Comprehensive logging instrument is a kind of large-scale mud logging equipment that is applied to the oil exploration scene, its inner data processor is the intermediate hub that various transducers are connected with industrial computer, the sensor signal in its Real-time Collection, processing and detection well site, sensor signal is converted to digital signal, is transferred to industrial computer and does Data Management Analysis.Because transducer is scattered in each place in well site, is directly exposed to the open air, very easily is struck by lightning, and probably lightning strike signals is incorporated into sensing data processor and industrial computer, damage machinery equipment, cause comprehensive logging instrument to work.
In the prior art, the lightning protection facility in well site generally is equipped with lightning rod and Surge Protector in comprehensive logging instrument casing outside.Lightning rod is higher to installation requirement in use, and protective range is limited, and especially the situ of drilling well vibrations are large, and circumstance complication loses its protective effect during lightning rod imperfect earth.Be installed in the distribution box or distribution box near the adjust the distance protective capacities of comprehensive logging instrument far away of Surge Protector also very limited.
Therefore, according to above-mentioned present situation, be necessary very much to propose a kind of lightning protection instrument for the sensor data acquisition treatment system, it can carry out effectively lightning protection to sensing data processor and the important like this equipment of upper industrial computer at oil exploration scene.
The utility model content
The purpose of this utility model provides a kind of lightning protection instrument for the sensor data acquisition treatment system, existing lightning protection measures can be overcome and the thunder and lightning prone areas can not be successfully managed to the lightning Protection of sensor data acquisition treatment system, it all has inhibition ability and protection effect to the lightening pulse that is incorporated into sensor side and power end by the outside thunderbolt, effectively, guarantee reliably the normal operation of sensing data processor and industrial computer, for the quality of comprehensive logging instrument data acquisition processing system provides guarantee, it is more directly perceived that the real-time indicator light of lightning arrester operating state operates the user, convenient, for the treatment system fault provides effective means.
In order to realize above purpose, the utility model is achieved through the following technical solutions:
A kind of lightning protection instrument for the sensor data acquisition treatment system, it is installed in the rack of outside comprehensive logging instrument, and its metal shell ground connection comprises:
The sensor lightning-protection system, the input of described sensor lightning-protection system links to each other with the transducer of outside, and its output links to each other with the input of the sensing data processor of outside;
Power lightning protection system, described power lightning protection system link to each other with probe power and outside sensing data processor respectively.
Described sensor lightning-protection system comprises mutual series connection: signal lightning arrester and indicating device; The input of described signal lightning arrester links to each other with transducer, and its output links to each other with the sensing data processor of indicating device and outside respectively, and the earth terminal of this signal lightning arrester links to each other with the metal shell of lightning protection instrument.
Described indicating device comprises comparator and the indicator light of mutual series connection, and the input of described comparator is connected with described signal lightning arrester, and the input of described indicator light links to each other with comparator.
Described indicator light is high-brightness light emitting diode.
Described power lightning protection system comprises: power arrester, and its input is connected with the sensing data processor, and its earth terminal links to each other with the metal shell of lightning protection instrument.
The utility model compared with prior art has the following advantages:
1, the lightening pulse that is incorporated into sensor side and sensor electrical source by the outside thunderbolt all had inhibition ability and protection effect;
2, guarantee effectively, reliably the normal operation of sensing data processor and industrial computer, for the quality of comprehensive logging instrument data acquisition processing system provides guarantee;
3, that the user is operated is more directly perceived, convenient for the indicator light of lightning arrester operating state, for the treatment system fault provides effective means.
Description of drawings
Fig. 1 is the theory diagram of a kind of lightning protection instrument for the sensor data acquisition treatment system of the utility model.
Embodiment
Below in conjunction with accompanying drawing, by describing a better specific embodiment in detail, the utility model is further elaborated.
As shown in Figure 1, a kind of lightning protection instrument for the sensor data acquisition treatment system, it is installed in the rack of outside comprehensive logging instrument, and its metal shell ground connection comprises: sensor lightning-protection system and power lightning protection system.Wherein, the input of sensor lightning-protection system links to each other with the transducer of outside 1, and its output links to each other with the input of the sensing data processor 7 of outside; The power lightning protection system links to each other with the sensing data processor 7 of probe power 5 and outside respectively.In the present embodiment, the metal shell of lightning protection instrument 9 is connected with the rack enclosure of comprehensive logging instrument by the grounding copper wire, and is namely direct-connected with the earth;
As shown in Figure 1, the sensor lightning-protection system comprises mutual series connection: signal lightning arrester 2 and indicating device; Wherein, the input of signal lightning arrester 2 links to each other with transducer 1, its output links to each other with the sensing data processor 7 of indicating device and outside respectively, the earth terminal of this signal lightning arrester 2 links to each other with the metal shell of lightning protection instrument 9, in the present embodiment, signal lightning arrester 2 links to each other with lightning protection instrument 9 with transducer 1 respectively by D type connector, and the earth terminal of signal lightning arrester 2 effectively is connected with the metal shell of lightning protection instrument 9 by a plurality of copper support columns; Indicating device comprises comparator 3 and the indicator light 4 of mutual series connection, and the input of comparator 3 is connected with signal lightning arrester 2, and the input of indicator light 4 links to each other with comparator 3.In the present embodiment, it is the four-way comparator of LM2901 that comparator 3 is selected model, and indicator light 4 is high-brightness light emitting diode.When signal lightning arrester 2 damages, electric characteristic shows as when opening circuit, and comparator 3 anode no-voltages are lower than the reference voltage of comparator 3, comparator 3 output LOW voltages, and low-voltage can't be lighted the indicator light 4 of connection, and indicator light 4 lamps go out; Otherwise, signal lightning arrester 2 normal operation, when electric characteristic showed as short circuit, the positive voltage of comparator 3 anode connecting sensors 1 output was higher than the reference voltage of comparator 3, and comparator 3 output HIGH voltages, high voltage are lighted the indicator light 4 of connection, and indicator light 4 lamps are bright.
As shown in Figure 1, the power lightning protection system comprises: power arrester 6, its input is connected with sensing data processor 7, its earth terminal links to each other with the metal shell of lightning protection instrument 9, in the present embodiment, the earth terminal of power arrester 6 effectively is connected with the metal shell of lightning protection instrument 9 by a plurality of copper support columns equally.When having lightning strike signals to enter this power arrester 6; lightning strike signals flows into the earth by this power arrester 6; over-voltage and overcurrent; eliminate surge voltage; the outside is invaded below the normal working voltage that limiting voltage can bear to instrument and equipment, thereby reached the purpose of protection probe power 5.
In the present embodiment, when several transducers 1 are arranged, No. 36 transducers 1 to be set as example, No. 18 signal transducers 2,36 road comparators 3 and indicator light 4 need be set, to guarantee the safety of sensor data acquisition treatment system.When the number continuation expansion of transducer 1, in like manner, the synchronous expansion of the number of sensor lightning-protection system is got final product.
When external sensor 1 or probe power 5 experience thunderbolt, lightening pulse imports the earth by signal lightning arrester 2 or power arrester 6, current potential is equal everywhere in the metal shell of lightning protection this moment instrument 9, thereby can guarantee the safety of the equipment such as transducer 1, probe power 5, lightning protection instrument 9, sensing data processor 7 and industrial computer 8.
In sum, a kind of lightning protection instrument for the sensor data acquisition treatment system of the utility model, existing lightning protection measures can be overcome and the thunder and lightning prone areas can not be successfully managed to the lightning Protection of sensor data acquisition treatment system, it all has inhibition ability and protection effect to the lightening pulse that is incorporated into sensor side and sensor electrical source by the outside thunderbolt, effectively, guarantee reliably the normal operation of sensing data processor and industrial computer, for the quality of comprehensive logging instrument data acquisition processing system provides guarantee, it is more directly perceived that the real-time indicator light of lightning arrester operating state operates the user, convenient, for the treatment system fault provides effective means.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be apparent.Therefore, protection range of the present utility model should be limited to the appended claims.
Claims (5)
1. lightning protection instrument that is used for the sensor data acquisition treatment system, it is installed in the rack of outside comprehensive logging instrument, and its metal shell ground connection is characterized in that, comprises:
The sensor lightning-protection system, the input of described sensor lightning-protection system links to each other with outside transducer (1), and its output links to each other with the input of the sensing data processor (7) of outside;
Power lightning protection system, described power lightning protection system link to each other with probe power (5) and outside sensing data processor (7) respectively.
2. the lightning protection instrument for the sensor data acquisition treatment system as claimed in claim 1 is characterized in that, described sensor lightning-protection system comprises mutual series connection: signal lightning arrester (2) and indicating device; The input of described signal lightning arrester (2) links to each other with transducer (1), and its output links to each other with the sensing data processor (7) of indicating device and outside respectively, and the earth terminal of this signal lightning arrester (2) links to each other with the metal shell of lightning protection instrument (9).
3. the lightning protection instrument for the sensor data acquisition treatment system as claimed in claim 2, it is characterized in that, described indicating device comprises comparator (3) and the indicator light (4) of mutual series connection, the input of described comparator (3) is connected with described signal lightning arrester (2), and the input of described indicator light (4) links to each other with comparator (3).
4. the lightning protection instrument for the sensor data acquisition treatment system as claimed in claim 3 is characterized in that, described indicator light (4) is high-brightness light emitting diode.
5. the lightning protection instrument for the sensor data acquisition treatment system as claimed in claim 1, it is characterized in that, described power lightning protection system comprises: power arrester (6), and its input is connected with sensing data processor (7), and its earth terminal links to each other with the metal shell of lightning protection instrument (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220625270 CN202888828U (en) | 2012-11-23 | 2012-11-23 | Lightning protection instrument for sensor data collecting and processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220625270 CN202888828U (en) | 2012-11-23 | 2012-11-23 | Lightning protection instrument for sensor data collecting and processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202888828U true CN202888828U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220625270 Expired - Fee Related CN202888828U (en) | 2012-11-23 | 2012-11-23 | Lightning protection instrument for sensor data collecting and processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202888828U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104133446A (en) * | 2014-07-29 | 2014-11-05 | 成都国光电子仪表有限责任公司 | Natural gas station monitoring device |
| CN104199401A (en) * | 2014-08-17 | 2014-12-10 | 成都国光电子仪表有限责任公司 | Monitoring device for rapidly finding out leakage at natural gas station |
-
2012
- 2012-11-23 CN CN 201220625270 patent/CN202888828U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104133446A (en) * | 2014-07-29 | 2014-11-05 | 成都国光电子仪表有限责任公司 | Natural gas station monitoring device |
| CN104199401A (en) * | 2014-08-17 | 2014-12-10 | 成都国光电子仪表有限责任公司 | Monitoring device for rapidly finding out leakage at natural gas station |
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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: 20130417 Termination date: 20171123 |