CN212031300U - Fluorescence measuring device - Google Patents
Fluorescence measuring device Download PDFInfo
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- CN212031300U CN212031300U CN202020423704.0U CN202020423704U CN212031300U CN 212031300 U CN212031300 U CN 212031300U CN 202020423704 U CN202020423704 U CN 202020423704U CN 212031300 U CN212031300 U CN 212031300U
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Abstract
The embodiment of the utility model discloses a fluorescence measuring device, which comprises a fluid cavity, a light-transmitting joint, an optical fiber, a spectrometer and a light-emitting device; a first end of the optically transparent joint is connected to the fluid chamber and is in direct contact with the condensate sample; the second end of the light-transmitting joint is connected with the first end of the optical fiber; the second end of the optical fiber comprises a first branch and a second branch; the first branch is connected with the spectrometer, and the second branch is connected with the light-emitting device. Through this embodiment scheme, can convenient measurement condensate sample's fluorescence data.
Description
Technical Field
The embodiment of the utility model provides a relate to the logging technology, indicate a fluorescence measuring device especially.
Background
In deep water sea areas and Bohai Bay areas, more and more condensate reservoirs are found, condensate oil gas is rich in aromatic hydrocarbon, light hydrocarbon and other scarce hydrocarbon components and is an important high-end petrochemical raw material in China. The condensate oil is a liquid phase component condensed from associated natural gas of a condensate oil gas field, and the main component of the condensate oil gas field is a mixture of C5-C11 + hydrocarbons. In the prior art, a fluorescence spectrum line can be obtained through the fluorescence intensity of an underground oil product, and the basic properties (component content, viscosity, API and the like) of the condensate oil are calculated by a chemometrics method according to a fluorescence database established in a ground laboratory, wherein the basic properties of the condensate oil play an important role in reservoir development. However, there is no ideal fluorescence measuring device to accurately measure the fluorescence data of condensate samples.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a fluorescence measuring device can convenient measurement condensate sample's fluorescence data.
The utility model provides a fluorescence measuring device can include: the device comprises a fluid chamber, a light-transmitting joint, an optical fiber, a spectrometer and a light-emitting device;
a first end of the optically transparent joint is connected to the fluid chamber and is in direct contact with the condensate sample; the second end of the light-transmitting joint is connected with the first end of the optical fiber;
the second end of the optical fiber comprises a first branch and a second branch; the first branch is connected with the spectrometer, and the second branch is connected with the light-emitting device.
In an exemplary embodiment of the present invention, a junction of the first branch and the spectrometer is provided with a light filter;
the optical filter is used for filtering the optical signal emitted by the light-emitting device.
In an exemplary embodiment of the present invention, the center wavelength of the optical filter is the same as the wavelength and the bandwidth of the optical signal emitted by the light emitting device.
In an exemplary embodiment of the present invention, the fluorescence measuring device may further include: a light source driving circuit;
the light source driving circuit is connected with the light emitting device and used for controlling the light emitting device to be turned on and off and adjusting the light source intensity of the light emitting device.
In an exemplary embodiment of the present invention, the fluorescence measuring device may further include: a power supply module;
the power supply module is respectively connected with the light source driving circuit and the spectrometer and used for providing power for the light source driving circuit and the spectrometer.
In an exemplary embodiment of the present invention, the light transmissive joint may include a sapphire sheet; the sapphire sheet is used for bearing pressure and transmitting light.
In an exemplary embodiment of the present invention, the fluid chamber may comprise an inlet and an outlet;
the inlet is for flowing the condensate sample into the fluid chamber; said outlet for allowing said condensate sample to flow out of said fluid chamber;
the inlet and the outlet allow the condensate sample to flow within the fluid chamber.
In an exemplary embodiment of the present invention, the light emitting device may include an ultraviolet lamp.
In an exemplary embodiment of the present invention, the spectral measurement range of the spectrometer may satisfy: 400-780 nm.
In an exemplary embodiment of the present invention, the spectrometer is a micro spectrometer.
Compared with the prior art, the utility model can comprise a fluid chamber, a light-transmitting joint, an optical fiber, a spectrometer and a light-emitting device; a first end of the optically transparent joint is connected to the fluid chamber and is in direct contact with the condensate sample; the second end of the light-transmitting joint is connected with the first end of the optical fiber; the second end of the optical fiber comprises a first branch and a second branch; the first branch is connected with the spectrometer, and the second branch is connected with the light-emitting device. Through this embodiment scheme, can convenient measurement condensate sample's fluorescence data.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the technical solutions of the present invention, and are incorporated in and constitute a part of this specification, together with the embodiments of the present invention for explaining the technical solutions of the present invention, and do not constitute a limitation on the technical solutions of the present invention.
Fig. 1 is a schematic structural diagram of the fluorescence measuring device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the present invention, the embodiments and features of the embodiments may be arbitrarily combined with each other without conflict.
The embodiment of the utility model provides a fluorescence measuring device, as shown in FIG. 1, can include: the device comprises a fluid chamber 1, a light-transmitting joint 2, an optical fiber 3, a spectrometer 4 and a light-emitting device 5;
the fluid chamber 1 is used for containing a condensate oil sample;
the light-transmitting joint 2 is used for transmitting light into the fluid chamber 1 so as to enable the light to irradiate on the condensate oil sample;
the optical fiber 3 is used for transmitting an optical signal emitted by the light-emitting device 5 to the light-transmitting joint 2 and transmitting a fluorescence signal generated after the condensate oil sample is irradiated by light to the spectrometer 4;
the light-emitting device 5 is used for providing a light source and emitting a light signal;
and the spectrometer 4 is used for converting the fluorescence signal into an electric signal and generating fluorescence spectrum data according to the electric signal.
In an exemplary embodiment of the present invention, the fluid chamber 1 may comprise an inlet and an outlet;
said inlet for allowing said condensate sample to flow into said fluid chamber 1; said outlet for allowing said condensate sample to flow out of said fluid chamber 1;
the inlet and the outlet allow the condensate sample to flow within the fluid chamber.
In an exemplary embodiment of the present invention, the fluid chamber 1 has an outlet and an inlet through which a sample of condensate downhole may flow within the fluid chamber 1.
In an exemplary embodiment of the present invention, the light transmissive joint 2 may comprise a sapphire sheet; the sapphire sheet is used for bearing pressure and transmitting light.
The utility model discloses an in the exemplary embodiment, the light transmission connects 2 inside can be equipped with a sapphire piece, and the sapphire piece hardness height light transmissivity is good, can play pressure-bearing and non-light tight effect.
The utility model discloses an in the exemplary embodiment, can be provided with the sealing washer in the printing opacity connects 2, this sealing washer can play totally sealed effect under the high pressure environment in the pit, guarantees that the condensate oil sample can not leak in main measuring part such as electron, optics.
In an exemplary embodiment of the present invention, a first end of the light transmissive joint 2 is connected to the fluid chamber 1 and is in direct contact with the condensate sample; the second end of the light-transmitting joint 2 is connected with the first end of the optical fiber 3;
the second end of the optical fiber 3 comprises a first branch and a second branch; wherein the first branch is connected to the spectrometer 4 and the second branch is connected to the light emitting device 5.
In an exemplary embodiment of the present invention, the optically transparent joint 2 is connected to the fluid chamber 1 at a first end, in direct contact with the condensate sample, and connected to the integral optical fiber (which may be a fiber bundle) 3 at a second end. The optical fiber 3 perpendicularly injects the transmitted emission light into the condensate sample through the light-transmitting joint 2, and at the same time, the resulting fluorescence signal (which may be referred to as excitation light) of the condensate sample excited by the emission light is reflected again into the optical fiber 3 through the light-transmitting joint 2.
In the exemplary embodiment of the present invention, the front section (i.e., the first end) of the integrated optical fiber 3 is connected to the light-transmitting connector 2, the rear end (i.e., the second end) is divided into two beams (i.e., the first branch and the second branch), one beam (specifically, the second branch) is connected to the light-emitting device 5, and the other beam (specifically, the first branch) is connected to the spectrometer 4, so as to respectively complete the transmission of the emitted light and the exciting light (i.e., the fluorescence).
In an exemplary embodiment of the present invention, the light emitting device may include an ultraviolet lamp.
In an exemplary embodiment of the present invention, the ultraviolet lamp may be an ultraviolet light emitting diode LED, for example, a light source may be an ultraviolet 385nm LED, and the LED may provide stable ultraviolet light.
In an exemplary embodiment of the present invention, the fluorescence measuring device may further include: a light source drive circuit 6;
the light source driving circuit 6 is connected to the light emitting device 5, and is configured to control the light emitting device 5 to be turned on and off, and adjust the light source intensity of the light emitting device 5.
The exemplary embodiment of the present invention provides that the light source driving circuit 6 can have the functions of switching the LEDs and adjusting the intensity of the light source, and can properly adjust the intensity of the light source according to the weight of the condensate oil in the well.
In an exemplary embodiment of the present invention, the spectrometer 4 may be a micro spectrometer.
In an exemplary embodiment of the present invention, the main functions of the spectrometer 4 may include: the fluorescence signal transmitted back by the optical fiber 3 is subjected to light splitting processing, the fluorescence signal subjected to light splitting processing is converted into an electric signal through an internal photoelectric conversion circuit, data processing is performed on the electric signal, fluorescence spectrum data are finally formed, and meanwhile data transmission (transmission of the fluorescence spectrum data) and instruction receiving and sending with an external system can be completed through a bus. The spectral measurement range of the micro spectrometer is 400-780nm, and the fluorescence property of the condensate oil can be observed more visually by the generated full-spectrum of the fluorescence.
In an exemplary embodiment of the present invention, the spectral measurement range of the spectrometer may satisfy: 400-780 nm.
In an exemplary embodiment of the present invention, the junction of the first branch and the spectrometer 4 may be provided with a light filter 7;
the optical filter 7 is used for filtering the optical signal emitted by the light-emitting device 5.
In the exemplary embodiment of the present invention, a piece of optical filter 7 can be placed at the junction of the optical fiber 3 and the spectrometer 4 for filtering out the emitted light signal and only keeping the excitation light signal.
In an exemplary embodiment of the present invention, the center wavelength of the optical filter is the same as the wavelength and the bandwidth of the optical signal emitted by the light emitting device.
In the exemplary embodiment of the present invention, the optical filter 7 may be a narrow-band optical filter, the central wavelength of the optical filter 7 may be the same as the wavelength of the ultraviolet LED, and is 385nm, the bandwidth is 30nm, the precision may reach to or above OD3 (precision standard), and the emitted light of the LED may be substantially completely filtered.
In an exemplary embodiment of the present invention, the fluorescence measuring device may further include: a power supply module 8;
the power module 8 may be connected to the light source driving circuit 6 and the spectrometer 4, respectively, and configured to provide power to the light source driving circuit 6 and the spectrometer 7.
In an exemplary embodiment of the present invention, the power module 8 may be responsible for providing a stable power supply for the light source part (e.g., the light source driving circuit 6, wherein the light source driving circuit 6 may provide power for the light emitting device 5) and the spectrometer 4.
In an exemplary embodiment of the present invention, 12V dc power may be provided to the spectrometer 4 and 5V dc power may be provided to the light source driving circuit 6.
In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite", "four corners", "periphery", "mouth" word structure "and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the structure referred to has a specific orientation, is constructed and operated in a specific orientation, and thus, is not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," and "assembled" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening media, or may be connected through two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A fluorescence measuring device, comprising: the device comprises a fluid chamber, a light-transmitting joint, an optical fiber, a spectrometer and a light-emitting device;
the first end of the light-transmitting joint is connected with the fluid chamber and is directly contacted with the condensate oil sample in the fluid chamber; the second end of the light-transmitting joint is connected with the first end of the optical fiber;
the second end of the optical fiber comprises a first branch and a second branch; the first branch is connected with the spectrometer, and the second branch is connected with the light-emitting device.
2. The fluorescence measuring device of claim 1, wherein a filter is disposed at a junction of the first branch and the spectrometer;
the optical filter is used for filtering the optical signal emitted by the light-emitting device.
3. A fluorescence measuring device according to claim 2, wherein the center wavelength of the filter is the same as the wavelength and bandwidth of the light signal emitted by the light emitting device.
4. A fluorescence measuring device according to any one of claims 1 to 3, characterized in that the fluorescence measuring device further comprises: a light source driving circuit;
the light source driving circuit is connected with the light emitting device and used for controlling the light emitting device to be turned on and off and adjusting the light source intensity of the light emitting device.
5. The fluorescence measuring device of claim 4, further comprising: a power supply module;
the power supply module is respectively connected with the light source driving circuit and the spectrometer and used for providing power for the light source driving circuit and the spectrometer.
6. A fluorescence measurement device according to any of claims 1-3, wherein the light transmissive joint comprises a sapphire sheet; the sapphire sheet is used for bearing pressure and transmitting light.
7. A fluorescence measurement device according to any of claims 1-3, wherein the fluid chamber comprises an inlet and an outlet;
the inlet is for flowing the condensate sample into the fluid chamber; said outlet for allowing said condensate sample to flow out of said fluid chamber;
the inlet and the outlet allow the condensate sample to flow within the fluid chamber.
8. A fluorescence measuring device according to any of claims 1-3, wherein the light emitting device comprises an ultraviolet lamp.
9. A fluorescence measuring device according to any of claims 1-3, wherein the spectrometer has a spectral measurement range satisfying: 400-780 nm.
10. A fluorescence measurement device as claimed in any of claims 1-3, wherein the spectrometer is a micro spectrometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020423704.0U CN212031300U (en) | 2020-03-27 | 2020-03-27 | Fluorescence measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020423704.0U CN212031300U (en) | 2020-03-27 | 2020-03-27 | Fluorescence measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN212031300U true CN212031300U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020423704.0U Active CN212031300U (en) | 2020-03-27 | 2020-03-27 | Fluorescence measuring device |
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| CN (1) | CN212031300U (en) |
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- 2020-03-27 CN CN202020423704.0U patent/CN212031300U/en active Active
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