CN217957169U - Camera device for exploration - Google Patents
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- CN217957169U CN217957169U CN202222205683.7U CN202222205683U CN217957169U CN 217957169 U CN217957169 U CN 217957169U CN 202222205683 U CN202222205683 U CN 202222205683U CN 217957169 U CN217957169 U CN 217957169U
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Abstract
The application discloses a camera device for exploration, which comprises a shell unit; on one hand, the shooting unit and the heat storage unit are simultaneously installed in the shell unit, the shooting unit is used for shooting the underground environment where the camera device is located, the heat storage unit is in thermal conduction with the shooting unit through the heat conduction piece, and the heat storage unit can absorb heat generated by the shooting unit in the working process; on the other hand, the shell unit also comprises a heat insulation layer which covers the shooting unit and the heat storage unit at the same time, and the influence of the external high temperature of the working environment of the camera device on the internal shooting unit and the heat storage unit can be effectively blocked through the coating of the heat insulation layer, so that the long-time underground working of the camera device is ensured; compared with the heat dissipation mode of an external water pump or an external air pump, the heat dissipation device saves cost, and is convenient to use due to the fact that no external air pump pipeline or external water pump pipeline is restricted.
Description
Technical Field
The utility model relates to a survey the technical field of making a video recording, especially relate to a camera device for exploration.
Background
The video camera used for surveying in oil fields and the like needs to provide video pictures for the surveying for a long time in a well, and the environment in the well is severe, and the temperature can reach 150 ℃ or more at most, so that higher requirements are provided for the heat insulation of the video camera and the heat dissipation of an internal lens.
In the prior art, a water cooling or air cooling scheme is generally adopted for the problem of heat dissipation inside the camera, that is, the camera needs to be externally connected with an air pump or a water pump and the like, so as to provide normal-temperature air or water for the camera to dissipate heat.
However, in the above scheme, considering that the working position of the camera is usually deep from the ground, the external air pump or water pump has high cost and is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
In view of at least one aspect of the above technical problems, an embodiment of the present application provides an image pickup apparatus for exploration, where a housing unit of the image pickup apparatus is provided with a heat storage unit, and the heat storage unit is used for absorbing heat generated by a shooting unit; meanwhile, the shell unit further comprises a heat insulation layer, the heat insulation layer is used for insulating the shooting unit and the heat storage unit, and the problem of high cost when an external air pump or a water pump is connected is solved. Inconvenient use.
The embodiment of the application provides a camera device for exploration, camera device includes:
a housing unit;
a photographing unit installed inside the housing unit;
a heat storage unit mounted inside the housing unit;
the shooting unit is in thermal conduction with the heat storage unit through a heat conducting piece, so that the heat storage unit absorbs heat generated by the shooting unit;
and the shell unit also comprises a heat insulation layer which covers the shooting unit and the heat storage unit at the same time.
Optionally, the heat storage unit includes a heat storage tank body provided inside the housing unit, the heat storage tank body being loaded with a heat storage material; wherein the heat conductive member is inserted into the heat storage case and contacts the heat storage material so that the heat storage material absorbs heat generated from the photographing unit.
Optionally, the heat storage material is liquid water, or the heat storage material is a phase change heat storage material.
Optionally, the product of the volume of the heat storage material, the specific heat capacity of the heat storage material and a set constant is larger than the product of the heating power of the shooting unit and the set working time of the image pickup device; wherein the set constant represents a temperature change value of the thermal storage material before and after absorbing heat generated by the photographing unit (20), and the set constant is greater than 40 ℃ and less than 60 ℃.
Optionally, a portion of the heat conductive member inserted into the heat storage tank is provided with heat radiating fins, or a portion of the heat conductive member inserted into the heat storage tank is provided with a microporous structure.
Optionally, the housing unit is a hollow column extending along a first direction, and the shooting unit and the heat storage unit are respectively disposed at two ends of the housing unit along the first direction.
Optionally, an annular vacuum layer is provided on an annular side wall of the housing unit extending in the first direction, both ends of the annular vacuum layer in the first direction at least cover the shooting unit and the heat storage unit, and an inner wall forming the annular vacuum layer is provided with a reflective coating.
Optionally, the shooting unit comprises a main control board close to the heat storage unit and an optical lens far away from the heat storage unit; the main control board comprises an image sensor, a light sensing surface of the image sensor is located in a lens visual field of the optical lens, and the optical lens is exposed out of the end portion of the shell unit.
Optionally, the main control board is further electrically connected with a power line; the heat storage unit comprises an annular box body extending along the first direction, and the hollow part of the annular box body is used for the power line to pass through; the annular box body is internally provided with a heat storage material, and the heat conduction piece is inserted into the annular box body and is in contact with the heat storage material.
Optionally, the housing unit is externally coated with a layer of insulating material, the insulating material forming the insulating layer.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the embodiment of the application provides a camera device for exploration, which comprises a shell unit; on one hand, the shooting unit and the heat storage unit are simultaneously installed in the shell unit, the shooting unit is used for shooting the underground environment where the camera device is located, and the heat storage unit is in thermal conduction with the shooting unit through the heat conduction piece, so that the heat storage unit can absorb heat generated by the shooting unit in the working process; on the other hand, the shell unit further comprises a heat insulation layer which covers the shooting unit and the heat storage unit at the same time, so that the influence of the external high temperature of the working environment of the camera device on the internal shooting unit and the heat storage unit can be effectively blocked through the covering of the heat insulation layer, and the long-time underground working of the camera device is guaranteed.
That is to say, for the problem of heat dissipation of the shooting unit, the camera device of the embodiment, by arranging the heat storage unit in the housing unit, the heat storage unit is in thermal communication with the shooting unit, and the heat storage unit can conveniently absorb heat generated by the shooting unit in real time, so that compared with a heat dissipation mode of an external water pump or an air pump, the cost is saved, and the camera device is convenient to use because of no restriction of an external air pump pipeline or an external water pump pipeline; simultaneously, to the thermal-insulated problem of the external high temperature environment that the shooting device is located, this embodiment camera device's casing unit still is equipped with the insulating layer simultaneously, and foretell shooting unit and heat accumulation unit of this insulating layer cladding simultaneously to can effectively block the influence of external high temperature environment to inside shooting unit spare part and heat accumulation unit, guarantee camera device's during operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and 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 inventive labor.
Fig. 1 is a schematic structural diagram of an image pickup apparatus according to an embodiment of the present application.
Fig. 2 is another schematic structural diagram of the image pickup apparatus in the embodiment of the present application.
Fig. 3 is a schematic structural view of the heat conducting member provided with the heat dissipating fins in the embodiment of the present application.
Fig. 4 is a schematic structural diagram of the annular vacuum layer disposed on the annular sidewall in the embodiment of the present application.
Wherein, the reference numbers:
10-housing unit, 11-insulation layer, 12-annular side wall, 13-annular vacuum layer,
20-shooting unit, 21-main control board, 22-optical lens, 23-power line,
30-heat storage unit, 31-heat storage tank, 32-heat storage material, 33-annular tank,
40-heat conducting pieces, 41-radiating fins,
x-a first direction.
Detailed Description
For better understanding of the technical solutions described above, the following will describe in detail the exemplary embodiments of the present application with reference to the attached drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present application, and not all embodiments of the present application, and it should be understood that the present application is not limited by the exemplary embodiments described herein.
In exploration of oil fields and the like, a camera device (such as a video camera) is generally used for providing video pictures for underground exploration operation, and the level of gas/oil output of an oil well can be judged through the video pictures, and meanwhile, oil pipe leakage can be checked. Due to the harsh downhole environment, high temperatures (e.g., 150 degrees celsius), and long down-hole operation times (e.g., 12 hours), high demands are placed on the internal heat dissipation and external thermal insulation of the camera.
In the prior art, a water-cooling or air-cooling scheme can be generally adopted for solving the problem of internal heat dissipation of the camera device, namely, the camera device works underground and is communicated with an air pump or a water pump on the ground through a pipeline and the like; however, considering that the camera device usually works several kilometers underground, the use cost of the external air pump or water pump through the pipeline is high, and the use is inconvenient.
To the above situation, the embodiment of the application provides a camera device for exploration, and the camera device absorbs heat generated by a shooting unit through a heat storage unit carried by the camera device, so that the shooting unit can dissipate heat, and compared with a mode of an external pipeline, the camera device is convenient to use and saves cost.
Fig. 1 is a schematic structural diagram of an image pickup apparatus, please refer to fig. 1, the image pickup apparatus for exploration includes a housing unit 10, an image pickup unit 20 and a heat storage unit 30, the image pickup unit 20 and the heat storage unit 30 are installed inside the housing unit 10; wherein, the shooting unit 20 is in thermal conduction with the heat storage unit 30 through the heat conducting member 40, so that the heat storage unit 30 absorbs the heat generated by the shooting unit 20; the housing unit 10 further includes a heat insulating layer 11, and the heat insulating layer 11 covers both the imaging unit 20 and the heat storage unit 30.
On one hand, the shooting unit and the heat storage unit are arranged inside the shell unit; it can understand, this shooting unit is used for shooing the external environment that camera device located and obtains video picture etc. and heat accumulation unit switches on through heat conduction piece heat with shooting unit to, the heat that shooting unit produced in the course of the work can be conducted to heat accumulation unit and absorbed by heat accumulation unit through heat conduction piece, prevents the heat accumulation, guarantees the long-time work of shooting unit.
It should be understood that, to ensure photographing, the camera of the photographing unit may be exposed from the housing unit; further, the heat storage unit may absorb heat through a heat storage material or the like, as described in detail below.
On the other hand, in consideration of the high temperature of the working environment where the camera device is located, the shell unit further comprises a thermal insulation layer which covers the shooting unit and the heat storage unit at the same time, so that the influence of the external high temperature on the parts of the internal shooting unit and the heat storage unit can be effectively prevented through the protection of the thermal insulation layer, and the camera device can be guaranteed to carry out shooting work underground for a long time.
Specifically, as shown in fig. 1, the insulation layer may be provided to the side wall of the housing unit; alternatively, as shown in fig. 2, the interior of the housing unit is a hollow structure, and the heat insulation layer may be disposed on the inner wall of the housing unit; alternatively, it will be appreciated that the insulation may be provided on the outer wall of the housing unit; further alternatively, the heat insulating layer may directly cover the imaging unit and the heat storage unit in a hollow space inside the housing unit.
It is understood that the heat conducting member can be made of materials such as metal, alloy, etc. to ensure heat conduction.
The embodiment of the application provides a camera device for exploration, which comprises a shell unit; on one hand, the shooting unit and the heat storage unit are simultaneously installed in the shell unit, the shooting unit is used for shooting the underground environment where the camera device is located, and the heat storage unit is in thermal conduction with the shooting unit through the heat conducting piece, so that the heat storage unit can absorb heat generated by the shooting unit in the working process; on the other hand, the shell unit further comprises a heat insulation layer which covers the shooting unit and the heat storage unit at the same time, so that the influence of external high temperature of the working environment of the camera device on the internal shooting unit and the heat storage unit can be effectively blocked through the covering of the heat insulation layer, and the long-time underground working of the camera device is guaranteed.
That is to say, for the heat dissipation problem of the shooting unit, the camera device of the embodiment is provided with the heat storage unit in the casing unit, which is thermally connected with the shooting unit, and the heat storage unit can conveniently absorb the heat generated by the shooting unit in real time, so that compared with a heat dissipation mode of an external water pump or an external air pump, the cost is saved, and the camera device is convenient to use because no external air pump pipeline or external water pump pipeline is restricted; simultaneously, to the thermal-insulated problem of the external high temperature environment that the shooting device is located, this embodiment camera device's casing unit still is equipped with the insulating layer simultaneously, and foretell shooting unit and heat accumulation unit of this insulating layer cladding simultaneously to can effectively block the influence of external high temperature environment to inside shooting unit spare part and heat accumulation unit, guarantee camera device's during operation.
With regard to the above thermal storage unit 30, in one possible embodiment, the thermal storage unit 30 includes a thermal storage tank 31, the thermal storage tank 31 being provided inside the housing unit 10, the thermal storage tank 31 being loaded with a thermal storage material 32; wherein the heat conductive member 40 is inserted into the heat storage case 31 and contacts the heat storage material 32 so that the heat storage material 32 absorbs heat generated from the photographing unit 20.
Specifically, referring to fig. 3, a heat storage material, such as liquid water, is stored in the heat storage box, then, one end of the heat conduction member, which is used to connect the heat storage box, is inserted into the heat storage box and contacts with the liquid water, that is, is inserted into the liquid water, and the other end of the heat conduction member is connected to the shooting unit; therefore, the heat generated by the electronic components in the shooting process of the shooting unit can be transmitted to the liquid water through the heat-conducting piece and absorbed by the liquid water; it should be understood that the specific heat capacity of the liquid water is large, and the liquid water can absorb a large amount of heat generated by the shooting unit, so that the heat dissipation of the shooting unit is ensured.
In an embodiment, besides liquid water, the heat storage material 32 may also be a phase change heat storage material, which is in a liquid state at a temperature below a phase change point, and changes into a gaseous state after absorbing heat, and thus, the phase change heat storage material can also absorb a large amount of heat to ensure heat dissipation of the shooting unit.
In one embodiment, the product of the volume of the thermal storage material 32, the specific heat capacity of the thermal storage material 32, and the set constant is greater than the product of the heating power of the imaging unit 20 and the set operating time of the imaging device.
The setting constant Δ T represents a temperature change value of the heat storage material 32 before and after absorbing the heat generated by the imaging unit 20, the setting constant Δ T may generally take a temperature value between 40 ℃ and 60 ℃ according to engineering experience, the setting working time T of the imaging device may be determined according to actual needs, and the setting working time T represents the working time of the imaging device in the well.
Therefore, the product of the volume V of the heat storage material, the specific heat capacity C of the heat storage material, and the setting constant Δ T is greater than the product of the heating power P of the imaging unit and the setting operating time T of the imaging device, and is the following formula 1:
formula 1 of V C Δ T > P Δ T
It should be understood that, in formula 1, P × T on the right side is the total heat generated by the shooting unit in the set operation time, V × C × Δ T on the left side is the total heat that can be absorbed by the heat storage material according to the set constant Δ T, and the total heat absorbed is greater than the total heat generated.
For example, if the imaging device needs to work in the well for 12 hours, the working time T is set to 12 hours, and the temperature change Δ T of the heat storage material before and after absorbing heat can be set to 50 degrees celsius; then, the total heat generated by the shooting unit in the set working time can be obtained by calculation of P × t, and in order to ensure the full absorption of the total heat, the selected relationship between the volume V and the specific heat capacity C of the heat storage material is required to satisfy the formula 1; in other words, in order to ensure heat dissipation to the imaging unit, the volume and specific heat capacity of the heat storage material selected in the present embodiment are limited by the heating power and the set operating time of the imaging unit according to the above formula 1.
In one embodiment, with continued reference to fig. 3, the portion of the heat conductive member 40 inserted into the thermal storage tank 31 is provided with heat radiating fins 41, or the portion of the heat conductive member 40 inserted into the thermal storage tank 31 is provided with a microporous structure.
It can be understood that the arrangement of the radiating fins and the microporous structure can increase the contact area of the heat conducting piece and the heat storage material, and improve the radiating efficiency.
Further, it is to be understood that the portion of the heat conductive member inserted into the heat storage tank should be as long as possible to increase the contact area with the heat storage material.
With regard to the above housing unit 10, in one possible embodiment, the housing unit 10 has a hollow cylindrical shape extending in the first direction X, and the photographing unit 20 and the heat storage unit 30 are respectively provided at both ends of the housing unit 10 in the first direction X.
With reference to fig. 1, in other words, the present embodiment reduces the cross-sectional area of the housing unit relative to the first direction by disposing the housing unit along the first direction and disposing the shooting unit and the heat storage unit at two ends of the housing unit, thereby facilitating the use in a narrow space in a well.
In one embodiment, the annular sidewall 12 of the housing unit 10 extending in the first direction X is provided with an annular vacuum layer 13, both ends of the annular vacuum layer 13 in the first direction X cover at least the photographing unit 20 and the heat storage unit 30, and an inner wall forming the annular vacuum layer 13 is provided with a reflective coating.
In this embodiment, referring to fig. 4, an annular vacuum layer 13 is disposed on an annular sidewall 12 of the housing unit, and an inner wall forming the annular vacuum layer 13 is coated with a reflective coating (not shown), the reflective coating is, for example, a high-brightness metal layer such as copper plating, silver plating, or high-brightness paint, and both ends of the annular vacuum layer 13 along the first direction X cover the shooting unit and the heat storage unit; therefore, the annular vacuum layer and the reflecting coating are combined to form the heat insulation layer, heat radiation can be effectively blocked, and the influence of the external high-temperature environment of the shell unit on the inside is eliminated.
Specifically, the photographing unit 20 includes a main control board 21 close to the heat storage unit 30 and an optical lens 22 far from the heat storage unit 30; the main control board 21 includes an image sensor, a light-sensing surface of the image sensor is located in a lens field of view of the optical lens 22, and the optical lens 22 is exposed from an end of the housing unit 10 for shooting; the main control board 21 generates heat in the working process, and the heat conducting member 40 is specifically connected with the main control board 21; in addition, the main control board 21 is electrically connected with a power line 23; the heat storage box is an annular box 33 extending in the first direction, and the hollow part of the annular box 33 is used for the power supply line 23 to pass through and extend out of the shell unit.
Regarding the above mentioned insulation, in one possible embodiment the housing unit 10 is externally coated with a layer of insulation material forming the insulation layer 11, wherein the insulation material may be for example a porous insulation material, or a heat reflective insulation material or the like.
The foregoing describes the general principles of the present application in conjunction with specific embodiments, however, it is noted that the advantages, effects, etc. mentioned in the present application are merely examples and are not limiting, and they should not be considered essential to the various embodiments of the present application. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the foregoing disclosure is not intended to be exhaustive or to limit the disclosure to the precise details disclosed.
The block diagrams of devices, apparatuses, devices, systems referred to in this application are only used as illustrative examples and are not intended to require or imply that they must be connected, arranged, or configured in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably herein. As used herein, the words "or" and "refer to, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".
It should also be noted that in the devices, apparatuses, and methods of the present application, the components or steps may be decomposed and/or recombined. These decompositions and/or recombinations are to be considered as equivalents of the present application.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description has been presented for purposes of illustration and description. Furthermore, the description is not intended to limit embodiments of the application to the form disclosed herein. While a number of exemplary aspects and embodiments have been discussed above, those of skill in the art will recognize that certain variations, modifications, alterations, additions and sub-combinations thereof are encompassed within the scope of the invention.
Claims (10)
1. A camera device for surveying, the camera device comprising:
a housing unit (10);
a photographing unit (20), the photographing unit (20) being mounted inside the housing unit (10);
a heat storage unit (30), the heat storage unit (30) being mounted inside the housing unit (10);
wherein the shooting unit (20) is in thermal conduction with the heat storage unit (30) through a heat conducting member (40), so that the heat storage unit (30) absorbs the heat generated by the shooting unit (20);
the housing unit (10) further includes a heat insulating layer (11), and the heat insulating layer (11) covers both the imaging unit (20) and the heat storage unit (30).
2. The image pickup apparatus according to claim 1, wherein the heat storage unit (30) includes a heat storage tank (31), the heat storage tank (31) being provided inside the housing unit (10), the heat storage tank (31) being loaded with a heat storage material (32); wherein the heat conductive member (40) is inserted into the heat storage case (31) and is in contact with the heat storage material (32) so that the heat storage material (32) absorbs heat generated by the photographing unit (20).
3. The image pickup apparatus according to claim 2, wherein the heat storage material (32) is liquid water, or wherein the heat storage material (32) is a phase change heat storage material.
4. The image pickup apparatus according to claim 2, wherein a product of a volume of the heat storage material (32), a specific heat capacity of the heat storage material (32), and a set constant is larger than a product of a heat generation power of the imaging unit (20) and a set operation time of the image pickup apparatus; wherein the set constant represents a temperature change value of the heat storage material (32) before and after absorbing heat generated by the photographing unit (20), and the set constant is greater than 40 ℃ and less than 60 ℃.
5. The image pickup apparatus according to any one of claims 2 to 4, wherein a portion of the heat conductive member (40) inserted into the heat storage tank (31) is provided with a heat radiation fin (41), or a portion of the heat conductive member (40) inserted into the heat storage tank (31) is provided with a microporous structure.
6. The image pickup apparatus according to claim 1, wherein the housing unit (10) has a hollow columnar shape extending in a first direction (X), and the imaging unit (20) and the heat storage unit (30) are provided at both ends of the housing unit (10) in the first direction (X), respectively.
7. The imaging apparatus according to claim 6, wherein an annular vacuum layer (13) is provided on an annular side wall (12) of the housing unit (10) extending in the first direction (X), both ends of the annular vacuum layer (13) in the first direction (X) cover at least the photographing unit (20) and the heat storage unit (30), and an inner wall forming the annular vacuum layer (13) is provided with a reflective coating.
8. The image pickup apparatus according to claim 7, wherein the photographing unit (20) includes a main control board (21) close to the heat storage unit (30) and an optical lens (22) remote from the heat storage unit (30); the main control board (21) comprises an image sensor, a light sensing surface of the image sensor is located in a lens visual field of the optical lens (22), and the optical lens (22) is exposed out of the end portion of the shell unit (10).
9. The camera device according to claim 8, wherein the main control board (21) is further electrically connected with a power line (23); the heat storage unit (30) comprises an annular box (33) extending in the first direction (X), a hollow portion of the annular box (33) being used for the power supply line (23) to pass through; wherein a heat storage material (32) is provided in the annular case (33), and the heat conductive member (40) is inserted into the annular case (33) and is in contact with the heat storage material (32).
10. The image pickup apparatus according to claim 1, wherein the housing unit (10) is externally coated with a layer of heat insulating material, the heat insulating material forming the heat insulating layer (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222205683.7U CN217957169U (en) | 2022-08-22 | 2022-08-22 | Camera device for exploration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222205683.7U CN217957169U (en) | 2022-08-22 | 2022-08-22 | Camera device for exploration |
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| CN217957169U true CN217957169U (en) | 2022-12-02 |
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| CN202222205683.7U Active CN217957169U (en) | 2022-08-22 | 2022-08-22 | Camera device for exploration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115614023A (en) * | 2022-12-16 | 2023-01-17 | 中国石油集团川庆钻探工程有限公司 | Underground visualization system for coiled tubing |
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2022
- 2022-08-22 CN CN202222205683.7U patent/CN217957169U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115614023A (en) * | 2022-12-16 | 2023-01-17 | 中国石油集团川庆钻探工程有限公司 | Underground visualization system for coiled tubing |
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