LU501414B1 - Method for sensing current through radiation and special sensor - Google Patents
Method for sensing current through radiation and special sensor Download PDFInfo
- Publication number
- LU501414B1 LU501414B1 LU501414A LU501414A LU501414B1 LU 501414 B1 LU501414 B1 LU 501414B1 LU 501414 A LU501414 A LU 501414A LU 501414 A LU501414 A LU 501414A LU 501414 B1 LU501414 B1 LU 501414B1
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- radiation
- current
- sensing
- wave
- converter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
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- General Physics & Mathematics (AREA)
- Radiation Pyrometers (AREA)
Abstract
Provided in the present invention is a method for sensing a current through radiation and a special sensor. The present invention senses the current through radiation according to a Peltier heat effect principle, transmits the current by using a radiation wave, realizes the purpose of transmitting a magnitude of the current without using the magnitude of the current, and well senses and transmits the current in a space exposed to strong electromagnetic radiation and an environment in which a wire is not available for transmission.
Description
METHOD FOR SENSING CURRENT THROUGH RADIATION AND SPECIAL | LUS01414
[01] The present invention relates to a method for sensing a current through radiation and a special sensor, and belongs to the field of current sensing.
[02] It is often necessary to know the magnitude of the current in the electrical equipment, which can be measured by an ammeter and is represented by a pointer or numbers. However, the magnitude of the current cannot be measured and transmitted in a space exposed to strong electromagnetic radiation and an environment in which the wire is not available as the ammeter cannot be applied in case of strong electromagnetic radiation and no connecting wire.
[03] Invention objective: the present invention provides a method for sensing a current through radiation and a special sensor, with the objective to solve the problem of transmitting a magnitude of the current in a space exposed to strong electromagnetic radiation and an environment in which a wire is not available.
[04] Technical solution: the present invention is realized by the following technical solutions:
[05] a method for sensing a current through radiation uses a semiconductor refrigeration principle for current sensing, and includes:
[06] (1) making a measured current pass through a positive (P)-negative (N) junction of a semiconductor refrigerator to make the semiconductor refrigerator generate a temperature difference, and using a radiator to maintain maintaining a temperature of a refrigeration surface of the refrigerator at an environment temperature, where a temperature of a heating surface of the refrigerator is equal to the temperature difference and is in direct proportion to the current to complete first-step conversion of current sensing; and making the heating surface be a blackbody surface to improve radiance and form a heat radiation wave, so as to realize conversion from the current to heat radiation;
[07] (2) using a radiation wavelength conversion material to convert an original radiation wavelength into a required working wavelength; and
[08] (3) transmitting a converted radiation wave into a transmission medium by means of optical focusing, conducting the radiation wave to a receiving end of a photoelectric converter for photoelectric conversion, and converting the radiation wave into an electric signal for output.
[09] The semiconductor refrigerator is used for converting a measured current signal into a radiation signal, i.e. the radiation wave with intensity in direct proportion to the current.
[10] The transmission medium in step (3) is an optical fiber or a free space.
[11] The radiation wavelength conversion material is a rare earth up-conversion 1 luminescent material NaYF_4:Yb:Er. LUS01414
[12] A special radiation current sensor used for implementing the above method for sensing a current through radiation includes a current radiation converter, a radiation former, a transmission medium and a photoelectric converter, where the current radiation converter is connected to the radiation former, and the radiation former is connected to the photoelectric converter by means of the transmission medium.
[13] A semiconductor refrigerator is arranged inside the current radiation converter formed according to a Peltier heat effect principle, a radiator is arranged on one side of a refrigeration surface of the semiconductor refrigerator, and a heating surface is of a blackbody surface structure.
[14] The radiation former is composed of a radiation wavelength conversion material layer and an optical lens group, where optical lenses are arranged behind the conversion material layer.
[15] A blackbody radiation layer is arranged on one side of the radiation wavelength conversion material layer facing the optical lens.
[16] Advantages and effects: the present invention provides the method for sensing a current through radiation and the special sensor, senses the current through radiation according to a Peltier heat effect principle, transmits the current by using a radiation wave, realizes the purpose of transmitting a magnitude of the current without using the magnitude of the current, and well senses and transmits the current in a space exposed to strong electromagnetic radiation and an environment in which a wire is not available for transmission.
[17] FIG. 1 is a structural process schematic diagram of the present invention.
[18] As shown in FIG. 1, the present invention provides a method for sensing a current through radiation. The method uses a semiconductor refrigeration principle for current sensing, and includes:
[19] (1) make a measured current pass through a positive (P)-negative (N) junction of a semiconductor refrigerator to make the semiconductor refrigerator generate a temperature difference, and use a radiator to maintain a temperature of a refrigeration surface of the refrigerator at an environment temperature, where a temperature of a heating surface of the refrigerator is equal to the temperature difference and is in direct proportion to the current to complete first-step conversion of current sensing; and make the heating surface be a blackbody surface to improve radiance and form a heat radiation wave, so as to realize conversion from the current to heat radiation;
[20] (2) use a radiation wavelength conversion material to convert an original radiation wavelength into a required working wavelength; and
[21] (3) transmit a converted radiation wave into a transmission medium by means of optical focusing, conduct the radiation wave to a receiving end of a photoelectric converter for photoelectric conversion, and convert the radiation wave into an electric signal for output.
2
[22] In the present invention, the semiconductor refrigerator is used for converting LUS01414 a measured current signal into a radiation signal, i.e. the radiation wave with intensity in direct proportion to the current.
[23] The transmission medium in step (3) is an optical fiber or a free space, depending on specific implementation environment demands.
[24] The radiation wavelength conversion material in step (2) is a rare earth up-conversion luminescent material NaYF_4:Yb:Er.
[25] In addition, as shown in FIG. 1, the present application further provides a special radiation current sensor used for implementing the above method for sensing a current through radiation. The sensor includes a current radiation converter, a radiation former, a transmission medium and a photoelectric converter, where the current radiation converter is connected to the radiation former, and the radiation former is connected to the photoelectric converter by means of the transmission medium.
[26] The current radiation converter of the present invention is formed according to a Peltier heat effect principle, a semiconductor refrigerator is arranged inside the current radiation converter, a radiator is arranged on one side of a refrigeration surface of the semiconductor refrigerator and is used for controlling the refrigeration surface of the semiconductor refrigerator at an environment temperature, and a heating surface is of a blackbody surface structure to improve radiance.
[27] The radiation former is composed of a radiation wavelength conversion material layer and an optical lens group, where optical lenses are arranged behind the conversion material layer. A blackbody radiation layer is arranged on one side of the radiation wavelength conversion material layer facing the optical lens, that is, the optical lens is actually arranged behind the blackbody radiation layer. The radiation former converts an original radiation wavelength into a required working wavelength, so as to realize an optimal transmission effect. The optical lens is used for improving coupling efficiency.
[28] The conversion from the current to the heat radiation in step (1) is completed by means of the current radiation converter; and the wavelength conversion and optical focusing in step (2) are completed by means of the radiation former. The photoelectric converter in the present invention converts the radiation wave into an electric signal for output.
[29] The present invention has reasonable operation and obvious effect and is beneficial to popularization and application in the field of current sensing.
3
Claims (8)
1. A method for sensing a current through radiation, wherein the method uses a semiconductor refrigeration principle for current sensing, and comprises: (1) making a measured current pass through a positive (P)-negative (N) junction of a semiconductor refrigerator to make the semiconductor refrigerator generate a temperature difference, and using a radiator to maintain a temperature of a refrigeration surface of the refrigerator at an environment temperature, wherein a temperature of a heating surface of the refrigerator is equal to the temperature difference and is in direct proportion to the current to complete first-step conversion of current sensing; and making the heating surface be a blackbody surface to improve radiance and form a heat radiation wave, so as to realize conversion from the current to heat radiation; (2) using a radiation wavelength conversion material to convert an original radiation wavelength into a required working wavelength; and (3) transmitting a converted radiation wave into a transmission medium by means of optical focusing, conducting the radiation wave to a receiving end of a photoelectric converter for photoelectric conversion, and converting the radiation wave into an electric signal for output.
2. The method for sensing a current through radiation according to claim 1, wherein the semiconductor refrigerator is used for converting a measured current signal into a radiation signal, i.e. the radiation wave with intensity in direct proportion to the current.
3. The method for sensing a current through radiation according to claim 1, wherein the transmission medium in step (3) is an optical fiber or a free space.
4. The method for sensing a current through radiation according to claim 1, wherein the radiation wavelength conversion material is a rare earth up-conversion luminescent material NaYF_4:Yb:Er.
5. A special radiation current sensor used for implementing the method for sensing a current through radiation of claim 1, comprising a current radiation converter, a radiation former, a transmission medium and a photoelectric converter, wherein the current radiation converter is connected to the radiation former, and the radiation former is connected to the photoelectric converter by means of the transmission medium.
6. The radiation current sensor according to claim 5, wherein a semiconductor refrigerator is arranged inside the current radiation converter formed according to a Peltier heat effect principle, a radiator is arranged on one side of a refrigeration surface of the semiconductor refrigerator, and a heating surface is of a blackbody surface structure.
7. The radiation current sensor according to claim 5, wherein the radiation former is composed of a radiation wavelength conversion material layer and an optical lens group, optical lenses being arranged behind the conversion material layer.
8. The radiation current sensor according to claim 7, wherein a blackbody radiation layer is arranged on one side of the radiation wavelength conversion material layer facing the optical lens.
1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU501414A LU501414B1 (en) | 2022-02-09 | 2022-02-09 | Method for sensing current through radiation and special sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU501414A LU501414B1 (en) | 2022-02-09 | 2022-02-09 | Method for sensing current through radiation and special sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU501414B1 true LU501414B1 (en) | 2022-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU501414A LU501414B1 (en) | 2022-02-09 | 2022-02-09 | Method for sensing current through radiation and special sensor |
Country Status (1)
| Country | Link |
|---|---|
| LU (1) | LU501414B1 (en) |
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2022
- 2022-02-09 LU LU501414A patent/LU501414B1/en active IP Right Grant
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| FG | Patent granted |
Effective date: 20220811 |