CN210166304U - High temperature resistant refractometer - Google Patents
High temperature resistant refractometer Download PDFInfo
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- CN210166304U CN210166304U CN201921096341.8U CN201921096341U CN210166304U CN 210166304 U CN210166304 U CN 210166304U CN 201921096341 U CN201921096341 U CN 201921096341U CN 210166304 U CN210166304 U CN 210166304U
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- cooling tube
- heat
- prism
- high temperature
- optic fibre
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Abstract
The utility model provides a high temperature resistant refractometer, including organism and the probe of connection on the organism, the probe includes the cooling tube, heat insulating board and organism fixed connection are passed through to cooling tube one end, the light clearing hole has been seted up on the heat insulating board, the cooling tube other end is connected with the detachable connector, the tip of connector is opened there is the detection mouth, be provided with the prism that corresponds with the detection mouth in the connector, be provided with in the cooling tube with prism complex lens, still be provided with in the cooling tube and be used for the fixed fixing device of prism and lens, be provided with the optic fibre of leaded light in the cooling tube, the light exit end and the detection mouth of optic fibre correspond the setting, the outside parcel of optic fibre has the thermal-insulated material layer, the centre of cooling tube still is provided with heat-proof device, be. The utility model discloses good heat dissipation can guarantee to work under the equipment, improves and detects the precision.
Description
Technical Field
The utility model relates to a refractometer, in particular to high temperature resistant refractometer.
Background
The refractometer is widely applied to the fields of food and beverage industry, essence and spice industry, textile printing industry, chemical industry, automobile traffic industry, metal processing, medical clinical examination and the like. A plurality of refractometers are available on the market, the refractometer can be used only at normal temperature in the use environment, and cannot be used in special occasions, and the temperature of some measured liquid reaches 80 ℃, so that the refractometer cannot be used in common online refractometers.
In order to avoid the influence of high temperature on the LED lamp, a refractometer capable of being used at high temperature is originally developed, optical fibers are selected to transmit light, the LED light source is far away from a detection point, the influence of high temperature on the LED light source is reduced, the detection precision is improved, the optical fibers are used for transmitting light, the light divergence angle is small, the light is gathered, stray light in an optical system is few, and accurate measurement data are accurate.
However, the refractometer still finds some defects in the use process of the refractometer: firstly, the heat dissipation performance of the interior of the probe to the outside is still insufficient; secondly, the high temperature in the probe can affect the light transmission and reduce the detection precision, and secondly, the heat on the probe is easily conducted to the machine body to affect devices in the machine body; third, high temperatures affect the stability, refractive index, and service life of the fiber.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high temperature resistant refractometer, the probe thermal diffusivity that has solved the refractometer that uses under the current high temperature state is not enough, the high temperature can influence light transmission, heat conduct the organism easily and the high temperature influences the defect that optic fibre normally worked easily in the probe.
The technical scheme of the utility model is realized like this:
high temperature resistant refractometer, including organism and the probe of connection on the organism, the probe includes the cooling tube, heat insulating board and organism fixed connection are passed through to cooling tube one end, the light clearing hole has been seted up on the heat insulating board, the cooling tube other end is connected with the detachable connector, the tip of connector is opened there is the detection mouth, be provided with the prism that corresponds with the detection mouth in the connector, be provided with in the cooling tube with prism complex lens, still be provided with the fixing device who is used for prism and lens to fix in the cooling tube, be provided with the optic fibre of leaded light in the cooling tube, the light exit end and the detection mouth of optic fibre correspond the setting, the outside parcel of optic fibre has the thermal insulation material layer, the centre of cooling tube still is provided with heat-proof device, be.
Further, the heat insulation board is a glass fiber board, the heat insulation material layer is an aerogel felt layer or a glass fiber layer, and the heat conduction medium is heat conduction pouring sealant.
Further, the bottom of heat-proof device is provided with the mounting panel, fixing device is the fixing base, and it is used for fixing to open on the fixing base the prism with the prism groove and the lens groove of lens, the mounting panel passes through the fix with screw on the fixing base.
Furthermore, a plurality of radiating fins are connected outside the radiating pipe.
The utility model has the advantages that:
1. the middle of cooling tube is provided with heat-proof device for it is thermal-insulated, reduce the influence that high temperature caused when passing through from the light hole to light, improve and detect the precision.
2. The space between the heat insulation device and the radiating pipe is filled with the heat conducting medium, so that heat in the probe is quickly transferred outwards, the heat dissipation performance is improved, and the influence on light transmission is reduced.
3. The cooling tube passes through heat insulating board and organism fixed connection, reduces the heat and transfers to the organism from the cooling tube, guarantees the normal work of organism.
4. The outside parcel of optic fibre has the thermal insulation material layer, reduces the influence of high temperature to optic fibre, guarantees the normal work of optic fibre, improves life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the high temperature refractometer of the present invention;
FIG. 2 is a schematic view of a probe structure;
FIG. 3 is a schematic view of the structure of the heat shield apparatus;
FIG. 4 is a cross-sectional view of the insulation assembly;
fig. 5 is a cross-sectional view of an optical fiber.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, a high temperature resistant refractometer, including a body S1 and a probe S2 connected to the body S1, the probe S2 includes a heat dissipating pipe 1, one end of the heat dissipating pipe 1 is fixedly connected to the body S1 through a heat insulating plate 2, a light passing hole (not shown) is formed on the heat insulating plate 2, the other end of the heat dissipating pipe 1 is connected to a detachable connector 3, a detection port 31 is formed at the end of the connector 3, a prism 4 corresponding to the detection port 31 is arranged in the connector 3, a lens 5 matched with the prism 4 is arranged in the heat dissipating pipe 1, a fixing device 6 for fixing the prism 4 and the lens 5 is further arranged in the heat dissipating pipe 1, a light guiding optical fiber 7 is arranged in the heat dissipating pipe 1, a light outlet end of the optical fiber 7 is arranged corresponding to the detection port 31, a heat insulating material layer 71 is wrapped outside the optical fiber 7, the space between the heat insulation device 8 and the radiating pipe 1 is filled with a heat conductive medium (not shown).
Preferably, the heat insulation board 2 is a glass fiber board, the heat insulation material layer 71 is an aerogel felt layer or a glass fiber layer, and the heat conducting medium is heat conducting pouring sealant.
Preferably, the bottom of heat-proof device 8 is provided with mounting panel 82, fixing device 6 is the fixing base, and it is used for fixing to open on the fixing base prism with the prism groove 61 and the lens groove 62 of lens, mounting panel 82 passes through the fix with screw on the fixing base.
Preferably, a plurality of radiating fins 11 are connected to the outside of the radiating pipe 1.
The utility model discloses the centre of cooling tube is provided with heat-proof device 8 for it is thermal-insulated, reduce the influence that high temperature caused when passing through from light hole 81 to light, improve and detect the precision. The space between the heat insulation device 8 and the heat dissipation pipe is filled with the heat conducting medium, so that the heat in the probe S2 is rapidly transferred outwards, the heat dissipation performance is improved, and the influence on light transmission is reduced. The radiating pipe 1 is fixedly connected with the machine body S1 through the heat insulation plate 2, so that the heat transfer from the radiating pipe 1 to the machine body S1 is reduced, and the normal work of the machine body S1 is ensured. The outside parcel of optic fibre 7 has thermal insulation material layer 71, reduces the influence of high temperature to the optic fibre, guarantees the normal work of optic fibre, improves life.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. High temperature resistant refractometer, its characterized in that: including organism and the probe of connection on the organism, the probe includes the cooling tube, heat insulating board and organism fixed connection are passed through to cooling tube one end, the light clearing hole has been seted up on the heat insulating board, the cooling tube other end is connected with the detachable connector, the tip of connector is opened there is the detection mouth, be provided with the prism that corresponds with the detection mouth in the connector, be provided with in the cooling tube with prism complex lens, still be provided with the fixing device who is used for prism and lens to fix in the cooling tube, be provided with the optic fibre of leaded light in the cooling tube, the light exit end of optic fibre corresponds the setting with the detection mouth, the outside parcel of optic fibre has the heat insulating material layer, the centre of cooling tube still is provided with heat-proof device, be provided.
2. The high temperature resistant refractometer according to claim 1, wherein: the heat insulation board is a glass fiber board, the heat insulation material layer is an aerogel felt layer or a glass fiber layer, and the heat conduction medium is heat conduction pouring sealant.
3. The high temperature resistant refractometer according to claim 1, wherein: the bottom of heat-proof device is provided with the mounting panel, fixing device is the fixing base, and it is used for fixing to open on the fixing base the prism with the prism groove and the lens groove of lens, the mounting panel passes through the fix with screw on the fixing base.
4. The high temperature resistant refractometer according to claim 1, wherein: and a plurality of radiating fins are connected outside the radiating pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921096341.8U CN210166304U (en) | 2019-07-13 | 2019-07-13 | High temperature resistant refractometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921096341.8U CN210166304U (en) | 2019-07-13 | 2019-07-13 | High temperature resistant refractometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210166304U true CN210166304U (en) | 2020-03-20 |
Family
ID=69795203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921096341.8U Active CN210166304U (en) | 2019-07-13 | 2019-07-13 | High temperature resistant refractometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210166304U (en) |
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2019
- 2019-07-13 CN CN201921096341.8U patent/CN210166304U/en active Active
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