CN204389703U - Seismoreceiver magnetic shielding system - Google Patents
Seismoreceiver magnetic shielding system Download PDFInfo
- Publication number
- CN204389703U CN204389703U CN201420779784.8U CN201420779784U CN204389703U CN 204389703 U CN204389703 U CN 204389703U CN 201420779784 U CN201420779784 U CN 201420779784U CN 204389703 U CN204389703 U CN 204389703U
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- CN
- China
- Prior art keywords
- magnetic shielding
- shielding cylinder
- seismoreceiver
- upper cover
- lower cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of seismoreceiver magnetic shielding system, this system comprises: seismoreceiver; Comprise the magnetic shielding device of magnetic shielding cylinder upper cover, magnetic shielding cylinder and magnetic shielding cylinder lower cover; Described magnetic shielding cylinder upper cover, magnetic shielding cylinder and magnetic shielding cylinder lower cover are connected to form the confined space of accommodating described seismoreceiver, for seismoreceiver forms an airtight magnetic shielding cover, achieve magnetic field full-shield, solve the problem of the sensitivity of the leakage field phenomena impair electronic compass of seismoreceiver in prior art with this.
Description
Technical field
The utility model relates to seismic detection technique field, particularly relates to a kind of seismoreceiver magnetic shielding system.
Background technology
At present, seismic prospecting device is normally by seismoreceiver, seismic acquisition configuration control circuit, electronic compass and the integral structure of sensor package in a shell.Wherein, the coil winding motion cutting magnetic line of traditional seismoreceiver, is converted to electric signal and exports, in this process, easily occur leakage field phenomenon, have impact on the sensitivity of electronic compass by mechanical motion.
Utility model content
In view of this, the utility model provides a kind of seismoreceiver magnetic shielding system, to solve the problem of the sensitivity of the leakage field phenomena impair electronic compass of seismoreceiver in prior art.
For solving the problems of the technologies described above, the utility model provides a kind of seismoreceiver magnetic shielding system, comprising:
Seismoreceiver;
Comprise the magnetic shielding device of magnetic shielding cylinder upper cover, magnetic shielding cylinder and magnetic shielding cylinder lower cover;
Described magnetic shielding cylinder upper cover, magnetic shielding cylinder and magnetic shielding cylinder lower cover are connected to form the confined space of accommodating described seismoreceiver.
Preferably, described seismoreceiver is moving-coil geophone.
Preferably, described magnetic shielding cylinder upper cover is mild carbon steel upper cover, and described magnetic shielding cylinder is low-carbon (LC) steel cylinder, and described magnetic shielding cylinder lower cover is mild carbon steel lower cover.
Preferably, described magnetic shielding cylinder upper cover is iron upper cover, and described magnetic shielding cylinder is work durm, and described magnetic shielding cylinder lower cover is iron lower cover.
Preferably, also comprise:
Be arranged at the first O-ring seal between described magnetic shielding cylinder upper cover and the upper port of described magnetic shielding cylinder;
Be arranged at the second O-ring seal between described magnetic shielding cylinder lower cover and the lower port of described magnetic shielding cylinder.
In the seismoreceiver magnetic shielding system that above the utility model provides, magnetic shielding device comprises magnetic shielding cylinder upper cover, magnetic shielding cylinder and magnetic shielding cylinder lower cover, seismoreceiver is placed in magnetic shielding cylinder, be loaded on magnetic shielding upper cover and magnetic shielding cylinder lower cover, for seismoreceiver forms an airtight magnetic shielding cover, achieve magnetic field full-shield, solve the problem of the sensitivity of the leakage field phenomena impair electronic compass of seismoreceiver in prior art with this, also improve the accuracy of electronic compass location simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of a kind of seismoreceiver magnetic shielding system of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Core of the present utility model is to provide a kind of seismoreceiver magnetic shielding system, to solve the problem of the sensitivity of the leakage field phenomena impair electronic compass of seismoreceiver in prior art.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
With reference to figure 1, show the structural representation of a kind of seismoreceiver magnetic shielding system of the utility model embodiment, this system specifically can comprise:
Seismoreceiver;
Comprise the magnetic shielding device of magnetic shielding cylinder upper cover 100, magnetic shielding cylinder 101 and magnetic shielding cylinder lower cover 102;
Described magnetic shielding cylinder upper cover 100, magnetic shielding cylinder 101 and magnetic shielding cylinder lower cover 102 are connected to form the confined space Q of accommodating described seismoreceiver.
Particularly, seismoreceiver is placed in magnetic shielding cylinder 101, be loaded on magnetic shielding upper cover 100 and magnetic shielding cylinder lower cover 102, for seismoreceiver forms an airtight magnetic shielding cover, achieve magnetic field full-shield, solve the problem of the sensitivity of the leakage field phenomena impair electronic compass of seismoreceiver in prior art with this, also improve the accuracy of electronic compass location simultaneously.
In addition, solve the leakage field phenomenon of seismoreceiver, it also avoid the impact of leakage field on miscellaneous equipment, such as seismic acquisition configuration control circuit and sensor etc.
Technical scheme provided by the utility model is mainly for the wave detector that there will be leakage field phenomenon, and preferably, in the present embodiment, described seismoreceiver is moving-coil geophone.
Because mild carbon steel has shielding action to magnetic field, so adopt low-carbon steel material processing magnetic shielding cylinder upper cover, magnetic shielding cylinder and magnetic shielding cylinder lower cover, namely described magnetic shielding cylinder upper cover is mild carbon steel upper cover, and described magnetic shielding cylinder is low-carbon (LC) steel cylinder, and described magnetic shielding cylinder lower cover is mild carbon steel lower cover.
In low-carbon steel material, the shield effectiveness of iron to magnetic field is better, so adopt iron material processing magnetic shielding cylinder upper cover, magnetic shielding cylinder and magnetic shielding cylinder lower cover, namely described magnetic shielding cylinder upper cover is iron upper cover, described magnetic shielding cylinder is work durm, and described magnetic shielding cylinder lower cover is iron lower cover.
In the utility model, preferably adopt pure iron materials processing magnetic shielding cylinder upper cover, magnetic shielding cylinder and magnetic shielding cylinder lower cover.
In order to ensure that magnetic shielding is covered with good shield effectiveness, the place that each several part is connected in magnetic shielding device arranges O-ring seal, certainly, preferably adopts the O-ring seal having magnetic cup effect, specifically can comprise:
Be arranged at the first O-ring seal between described magnetic shielding cylinder upper cover and the upper port of described magnetic shielding cylinder;
Be arranged at the second O-ring seal between described magnetic shielding cylinder lower cover and the lower port of described magnetic shielding cylinder.
Above seismoreceiver magnetic shielding system provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (5)
1. a seismoreceiver magnetic shielding system, is characterized in that, comprising:
Seismoreceiver;
Comprise the magnetic shielding device of magnetic shielding cylinder upper cover, magnetic shielding cylinder and magnetic shielding cylinder lower cover;
Described magnetic shielding cylinder upper cover, magnetic shielding cylinder and magnetic shielding cylinder lower cover are connected to form the confined space of accommodating described seismoreceiver.
2. the system as claimed in claim 1, is characterized in that, described seismoreceiver is moving-coil geophone.
3. the system as claimed in claim 1, is characterized in that, described magnetic shielding cylinder upper cover is mild carbon steel upper cover, and described magnetic shielding cylinder is low-carbon (LC) steel cylinder, and described magnetic shielding cylinder lower cover is mild carbon steel lower cover.
4. the system as claimed in claim 1, is characterized in that, described magnetic shielding cylinder upper cover is iron upper cover, and described magnetic shielding cylinder is work durm, and described magnetic shielding cylinder lower cover is iron lower cover.
5. the system as claimed in claim 1, is characterized in that, also comprises:
Be arranged at the first O-ring seal between described magnetic shielding cylinder upper cover and the upper port of described magnetic shielding cylinder;
Be arranged at the second O-ring seal between described magnetic shielding cylinder lower cover and the lower port of described magnetic shielding cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420779784.8U CN204389703U (en) | 2014-12-10 | 2014-12-10 | Seismoreceiver magnetic shielding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420779784.8U CN204389703U (en) | 2014-12-10 | 2014-12-10 | Seismoreceiver magnetic shielding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204389703U true CN204389703U (en) | 2015-06-10 |
Family
ID=53362411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420779784.8U Expired - Fee Related CN204389703U (en) | 2014-12-10 | 2014-12-10 | Seismoreceiver magnetic shielding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204389703U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109597010A (en) * | 2018-12-04 | 2019-04-09 | 北京昆迈生物医学研究院有限公司 | A kind of high-performance magnetism screening arrangement and method based on Active Compensation |
| CN113866692A (en) * | 2021-10-26 | 2021-12-31 | 北京卫星环境工程研究所 | Extremely weak remanence measurement system and measurement method for spacecraft component |
-
2014
- 2014-12-10 CN CN201420779784.8U patent/CN204389703U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109597010A (en) * | 2018-12-04 | 2019-04-09 | 北京昆迈生物医学研究院有限公司 | A kind of high-performance magnetism screening arrangement and method based on Active Compensation |
| CN113866692A (en) * | 2021-10-26 | 2021-12-31 | 北京卫星环境工程研究所 | Extremely weak remanence measurement system and measurement method for spacecraft component |
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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: 20150610 Termination date: 20171210 |