CN205193630U - Constant temperature shell structure of seismometer - Google Patents
Constant temperature shell structure of seismometer Download PDFInfo
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- CN205193630U CN205193630U CN201520920697.4U CN201520920697U CN205193630U CN 205193630 U CN205193630 U CN 205193630U CN 201520920697 U CN201520920697 U CN 201520920697U CN 205193630 U CN205193630 U CN 205193630U
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- seismometer
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- insulation
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Abstract
The utility model provides a constant temperature shell structure of seismometer, including sealed coating in the outside heat preservation inlayer of seismometer casing, the heat preservation middle level and the skin that keeps warm, be equipped with the temperature monitoring unit on this heat preservation middle level, this temperature monitoring unit includes main control chip, differential amplification circuit, an analog -digital conversion circuit, evenly set up in a plurality of temperature transducers of this heat preservation middle level surface, evenly set up in a plurality of semiconductor refrigeration pieces and the electric heat membrane of this heat preservation middle level surface, the data output end of a plurality of temperature transducers is through this differential amplification circuit, analog to digital conversion circuit is connected with main control chip's signal input part, this main control chip's control end is connected with the automatically controlled end of this semiconductor refrigeration piece and electric heat membrane. The utility model discloses can reduce external environment and change the adverse effect who causes the seismometer, make seismometer work in constant temperature environment, guarantee the normal operating conditions of seismometer.
Description
Technical field
The utility model relates to a kind of shell mechanism of seismometer, particularly relates to a kind of isothermal enclosure structure that seismometer can be made to work in the seismometer in isoperibol.
Background technology
Seismometer is the common instrument in seismological observation field, its mainly comprise three points to pendulum mass (East and West direction, north-south, Vertical dimension) and the circuit structure for ground motion being converted to electric signal, the detection to ground vibration signal can be realized.Existing seismometer, its three-component pendulum mass is many to be made up of aluminium or steel metal material, because metal material has the characteristic of expanding with heat and contract with cold, when environment temperature changes, easily make highly sensitive seismometer produce zero migration and noise signal, reduce the accuracy of detection of seismometer, notably, when variation of ambient temperature is excessive, pendulum mass can be made to depart from normal operating conditions and normal signal cannot be exported, cause the interruption of seismometer tracer signal.
For ensureing the normal operating conditions of seismometer, make the seismic signal of its 24 hours continual outputting high qualities, seismometer is set up year temperature variation and is less than in the cavern of 10 degree by some seismograph stations, add station construction and maintenance cost, for the field seismological observation of flowing, variation of ambient temperature is much larger than 10 degree, and some variation of ambient temperature, even more than 30 degree, is difficult to the normal operating conditions ensureing seismometer.
Utility model content
In view of the foregoing, the purpose of this utility model is the isothermal enclosure structure providing a kind of seismometer, outer in the outer coated insulation internal layer successively of housing of seismometer, insulation middle level and insulation, and in being incubated set temperature monitoring unit on middle level, seismometer can be made to work in isoperibol, ensure the normal operating conditions of seismometer.
For achieving the above object, the utility model is by the following technical solutions:
An isothermal enclosure structure for seismometer, comprise sealed packet and be overlying on insulation internal layer, the insulation middle level of seismometer outside and be incubated outer, this insulation middle level is provided with temperature monitoring unit,
This temperature monitoring unit comprises main control chip, differential amplifier circuit, analog to digital conversion circuit, is evenly arranged at some temperature probes of this insulation middle level outside surface, is evenly arranged at some semiconductor chilling plates of this insulation middle level outside surface, the data output end of some temperature probes is connected with the signal input part of main control chip by this differential amplifier circuit, analog to digital conversion circuit, and the control end of this main control chip is connected with the automatically controlled end of this semiconductor chilling plate.
Further,
Described insulation middle level outside surface evenly arranges some Electric radiant Heating Film, and the control end of described main control chip is connected with the automatically controlled end of some Electric radiant Heating Film.
Described temperature probe is in parallel is formed by multiple Pt1000 platinum resistance, measuring resistance.
Described insulation middle level is made up of stainless steel seal casinghousing, described insulation middle level has the filling mouth for filling anti freezing solution aqueous solution.
Described insulation internal layer and insulation skin are made up of Windproof thermal insulation material.
The utility model has the advantage of:
1, totally three layers of heat-insulation layer is by isolated to seismometer and external environment condition by insulation internal layer, insulation middle level, insulation skin for the utility model, and reduction ambient temperature changes the impact caused seismometer;
2, be incubated the aqueous solution that certain proportion anti freezing solution is filled in middle level, effectively can slow down the variable gradient that external environment condition change causes seismometer environment, make the working environment of seismometer more stable;
3, temperature monitoring unit can the environment temperature of Real-Time Monitoring seismometer, and the environment temperature of Earthquake occurrence control meter keeps constant simultaneously, can reduce the zero point drift of seismometer, ensures the high-quality observation data of seismometer output low noise.
4, be provided with the seismometer of isothermal enclosure structure of the present utility model, be applicable to field seismological observation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the theory diagram of temperature monitoring unit of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model, as shown in the figure, the isothermal enclosure structure of seismometer disclosed in the utility model, comprise sealed packet be overlying on insulation internal layer 2, the insulation middle level 3 of seismometer housing 1 outside and be incubated outer 4, insulation middle level 3 is provided with temperature monitoring unit 5, insulation middle level 3 has the filling mouth 6 for filling anti freezing solution.
Temperature monitoring unit 5 comprises main control chip, differential amplifier circuit, analog to digital conversion circuit, is evenly arranged at some temperature probes of insulation middle level outside surface, is evenly arranged at some semiconductor chilling plates 7 of insulation middle level outside surface, this temperature probe is in parallel is formed by multiple Pt1000 platinum resistance, measuring resistance, the data output end of temperature probe is connected with the signal input part of main control chip by differential amplifier circuit, analog to digital conversion circuit, and the control end of main control chip is connected with the automatically controlled end of semiconductor chilling plate 7.
The differential voltage signal that multiple Pt1000 platinum resistance, measuring resistance export amplifies through differential amplifier circuit, analog to digital conversion circuit transfers to main control chip after being converted to digital voltage signal, main control chip by the ambient temperature data of temperature probe collection with preset temperature value compared with, when environment temperature is lower than the temperature preset, main control chip starts semiconductor chilling plate and carries out environment intensification to seismometer, when environment temperature is higher than the temperature preset, main control chip starts semiconductor chilling plate and carries out environment temperature reduction to seismometer.
For improving the environment temperature rise effect of seismometer, the control end of main control chip connects some Electric radiant Heating Film, and some Electric radiant Heating Film are evenly arranged at the outside surface in insulation middle level, and when environment temperature is lower than the temperature preset, main control chip controls Electric radiant Heating Film and starts heating.
Described insulation internal layer 2 and insulation outer 4 are made up of Windproof thermal insulation material, and insulation middle level 3 is made up of the stainless steel seal casinghousing can filling anti freezing solution aqueous solution.
The above know-why being preferred embodiment of the present utility model and using; for a person skilled in the art; when not deviating from spirit and scope of the present utility model; any based on apparent changes such as the equivalent transformation on technical solutions of the utility model basis, simple replacements, all belong within the utility model protection domain.
Claims (5)
1. the isothermal enclosure structure of seismometer, is characterized in that, comprise sealed packet and be overlying on insulation internal layer, the insulation middle level of seismometer outside and be incubated outer, this insulation middle level is provided with temperature monitoring unit,
This temperature monitoring unit comprises main control chip, differential amplifier circuit, analog to digital conversion circuit, is evenly arranged at some temperature probes of this insulation middle level outside surface, is evenly arranged at some semiconductor chilling plates of this insulation middle level outside surface, the data output end of some temperature probes is connected with the signal input part of main control chip by this differential amplifier circuit, analog to digital conversion circuit, and the control end of this main control chip is connected with the automatically controlled end of this semiconductor chilling plate.
2. the isothermal enclosure structure of seismometer according to claim 1, is characterized in that, described insulation middle level outside surface evenly arranges some Electric radiant Heating Film, and the control end of described main control chip is connected with the automatically controlled end of some Electric radiant Heating Film.
3. the isothermal enclosure structure of seismometer according to claim 1, is characterized in that, described temperature probe is in parallel is formed by multiple Pt1000 platinum resistance, measuring resistance.
4. the isothermal enclosure structure of seismometer according to claim 1, is characterized in that, described insulation middle level is made up of stainless steel seal casinghousing, described insulation middle level has the filling mouth for filling anti freezing solution aqueous solution.
5. the isothermal enclosure structure of seismometer according to claim 1, is characterized in that, described insulation internal layer and insulation skin are made up of Windproof thermal insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520920697.4U CN205193630U (en) | 2015-11-18 | 2015-11-18 | Constant temperature shell structure of seismometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520920697.4U CN205193630U (en) | 2015-11-18 | 2015-11-18 | Constant temperature shell structure of seismometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205193630U true CN205193630U (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520920697.4U Active CN205193630U (en) | 2015-11-18 | 2015-11-18 | Constant temperature shell structure of seismometer |
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| CN (1) | CN205193630U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799548A (en) * | 2019-02-26 | 2019-05-24 | 辽宁省地震局 | Seismometer azimuth remotely corrects leveling and antimagnetic constant-temperature protective system |
| CN111707665A (en) * | 2020-06-16 | 2020-09-25 | 安徽云能天智能科技有限责任公司 | Automatic observation system and method for cloud amount of foundation dual-waveband |
-
2015
- 2015-11-18 CN CN201520920697.4U patent/CN205193630U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799548A (en) * | 2019-02-26 | 2019-05-24 | 辽宁省地震局 | Seismometer azimuth remotely corrects leveling and antimagnetic constant-temperature protective system |
| CN111707665A (en) * | 2020-06-16 | 2020-09-25 | 安徽云能天智能科技有限责任公司 | Automatic observation system and method for cloud amount of foundation dual-waveband |
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| GR01 | Patent grant |