CN211061111U - Deepwater pressure sensor packaging structure - Google Patents
Deepwater pressure sensor packaging structure Download PDFInfo
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- CN211061111U CN211061111U CN201922223494.0U CN201922223494U CN211061111U CN 211061111 U CN211061111 U CN 211061111U CN 201922223494 U CN201922223494 U CN 201922223494U CN 211061111 U CN211061111 U CN 211061111U
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- pressure sensor
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- inner hole
- waterproof ring
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Abstract
The utility model discloses a deepwater pressure sensor packaging structure, which comprises a main body, a waterproof ring, a pressure sensor, a wire harness, a fixing piece and a locking piece, wherein the main body is sleeved in a mounting hole of a mounting plate, the fixing piece, the pressure sensor and the waterproof ring are sequentially arranged in the inner hole of the main body from outside to inside, and the fixing piece is used for preventing the pressure sensor from moving in the axis direction of the main body; one end of the wire harness is connected with the pressure sensor, and the wire harness sequentially penetrates through an inner hole of the waterproof ring and an inner hole of the main body; the inner hole of the main body is filled with sealant so as to seal the inner hole of the main body in a glue pouring and packaging mode. Therefore, the deep water pressure sensor packaging structure is simple in structure and convenient to install; meanwhile, the inner hole of the main body is completely filled with the sealant, so that moisture cannot enter the pressure sensor through a gap between the wire harness and the inner hole of the main body, and the waterproof effect is good. In addition, the volume is very small, and the occupied installation space is small.
Description
Technical Field
The utility model relates to a deep water equipment encapsulation technical field, more specifically say, relate to a deep water pressure sensor packaging structure.
Background
Pressure sensors are installed in deep water equipment, and need to be packaged in order to guarantee normal operation of the pressure sensors.
The existing deep water pressure sensor packaging structure is complex in structure, not easy to install and poor in sealing effect.
In summary, how to simplify the structure of the deep water pressure sensor package structure and ensure the sealing effect thereof is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a deep water pressure sensor packaging structure, simple structure, be convenient for install, and have good sealed effect.
In order to achieve the above object, the present invention provides the following technical solutions:
a deepwater pressure sensor packaging structure comprises a main body, a waterproof ring, a pressure sensor, a wire harness, a fixing piece and a locking piece, wherein the main body, the waterproof ring, the pressure sensor, the wire harness and the fixing piece are sleeved in a mounting hole of a mounting plate, the locking piece is used for locking the main body and the mounting plate, the fixing piece, the pressure sensor and the waterproof ring are sequentially mounted in an inner hole of the main body from outside to inside, and the fixing piece is used for preventing the pressure sensor from moving in the axial direction of the main body;
one end of the wire harness is connected with the pressure sensor, and the wire harness sequentially penetrates through an inner hole of the waterproof ring and an inner hole of the main body;
and sealant is filled in the inner hole of the main body so as to seal the inner hole of the main body in a sealant pouring and packaging manner.
Preferably, the inner hole of the main body comprises a first connecting part sleeved with the waterproof ring and a second connecting part used for the wiring harness to pass through, and the diameter of the first connecting part is larger than that of the second connecting part.
Preferably, the waterproof ring is provided with a groove for mounting the pressure sensor, and the depth of the groove is less than or equal to the height of the pressure sensor.
Preferably, the fixing part comprises a compression nut, the pressure sensor is sleeved in an inner hole of the compression nut, the lower end face of the compression nut is in contact with the waterproof ring, and the upper end face of the compression nut is flush with the upper end face of the main body;
the compression nut is provided with a first external thread, and the first connecting portion is provided with an internal thread matched with the first external thread.
Preferably, the waterproof ring is provided with a plurality of through holes for the wiring harness to pass through, the through holes are formed in the bottom surface of the groove, and the through holes are uniformly distributed in the circumferential direction of the waterproof ring.
Preferably, the number of the through holes is four, and the through holes are square holes.
Preferably, the locking member comprises a locking nut, and a second external thread matched with the locking nut is arranged at one end, far away from the pressure sensor, of the main body.
Preferably, the main part be used for with be equipped with the seal groove of installation sealing washer on the terminal surface that the mounting panel contacted, the degree of depth of seal groove is less than the thickness of sealing washer.
When the packaging structure of the deep water pressure sensor provided by the utility model is assembled, the wire harness is penetrated from the lower end surface of the main body, so that the wire harness sequentially penetrates through the inner hole of the main body and the inner hole of the waterproof ring, and the wire harness is connected with the pressure sensor; moving the pressure sensor downwards until the lower end face of the pressure sensor is contacted with the upper end face of the waterproof ring; moving the waterproof ring downwards until the lower end face of the waterproof ring is contacted with the bottom face of the inner hole of the main body, and installing a fixing piece; and pouring sealant from the inner hole of the lower end face of the main body until the inner hole of the main body is completely filled, and thus, pouring sealant and packaging are completed.
Therefore, the deep water pressure sensor packaging structure provided by the utility model has simple structure and is convenient to install; meanwhile, the inner hole of the main body is completely filled with the sealant, so that moisture cannot enter the pressure sensor through a gap between the wire harness and the inner hole of the main body, and the waterproof effect is good.
Furthermore, because simple structure, the utility model provides a deep water pressure sensor packaging structure's volume is very little, and the installation space who occupies is few.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an exploded schematic view of a specific embodiment of a deep water pressure sensor package structure provided by the present invention;
FIG. 2 is a schematic front view of the body of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the body of FIG. 2;
FIG. 4 is a schematic front view of the waterproof ring of FIG. 1;
FIG. 5 is a schematic cross-sectional view of the waterproof ring of FIG. 4;
FIG. 6 is a schematic front view of the pressure sensor of FIG. 1;
FIG. 7 is a schematic cross-sectional view of the pressure sensor of FIG. 6;
FIG. 8 is a schematic front view of the compression nut of FIG. 1;
FIG. 9 is a cross-sectional schematic view of the compression nut of FIG. 8;
FIG. 10 is a schematic front view of the locking nut of FIG. 1;
FIG. 11 is a cross-sectional schematic view of the jam nut of FIG. 10;
FIG. 12 is a schematic front view of the seal ring of FIG. 1;
fig. 13 is a schematic cross-sectional view of the seal ring of fig. 12.
In fig. 1-13:
1 is a main body, 11 is an inner hole, 111 is a first connecting part, 112 is a second connecting part, 12 is a sealing groove, 2 is a waterproof ring, 21 is a groove, 211 is a through hole, 3 is a pressure sensor, 4 is a compression nut, 5 is a wire harness, 6 is a locking nut, and 7 is a sealing ring.
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.
The core of the utility model is to provide a deep water pressure sensor packaging structure, simple structure, the installation of being convenient for, and have good sealed effect.
Referring to fig. 1 to 13, fig. 1 is an exploded schematic view of an embodiment of a deep water pressure sensor package structure according to the present invention; FIG. 2 is a schematic front view of the body of FIG. 1; FIG. 3 is a schematic cross-sectional view of the body of FIG. 2; FIG. 4 is a schematic front view of the waterproof ring of FIG. 1; FIG. 5 is a schematic cross-sectional view of the waterproof ring of FIG. 4; FIG. 6 is a schematic front view of the pressure sensor of FIG. 1; FIG. 7 is a schematic cross-sectional view of the pressure sensor of FIG. 6; FIG. 8 is a schematic front view of the compression nut of FIG. 1; FIG. 9 is a cross-sectional schematic view of the compression nut of FIG. 8; FIG. 10 is a schematic front view of the locking nut of FIG. 1; FIG. 11 is a cross-sectional schematic view of the jam nut of FIG. 10; FIG. 12 is a schematic front view of the seal ring of FIG. 1; fig. 13 is a schematic cross-sectional view of the seal ring of fig. 12.
It should be noted that, in this document, the direction of the lower finger deep water pressure sensor package structure relatively far away from the compression nut 4 and relatively close to the lock nut 6 after assembly, and the direction of the upper finger relatively close to the compression nut 4 and relatively close to the lock nut 6.
The utility model provides a deep water pressure sensor packaging structure, including being used for cup jointing main part 1 in the mounting hole of mounting panel, waterproof circle 2, pressure sensor 3, pencil 5, mounting and being used for locking the retaining member of main part 1 and mounting panel, mounting, pressure sensor 3 and waterproof circle 2 are installed in the hole 11 of main part 1 from outside to inside in proper order, the mounting is used for preventing pressure sensor 3 from moving in the axis direction of main part 1; one end of a wire harness 5 is connected with the pressure sensor 3, and the wire harness 5 sequentially penetrates through an inner hole of the waterproof ring 2 and an inner hole 11 of the main body 1; the inner hole 11 of the main body 1 is filled with sealant so as to seal the inner hole 11 of the main body 1 by a potting manner.
The main body 1 is provided with a through inner hole 11, the upper end of the main body is sequentially provided with a waterproof ring 2, a pressure sensor 3 and a fixing piece from inside to outside, and the fixing piece is used for fixing the position of the pressure sensor 3 in the axial direction of the main body 1 and preventing the pressure sensor from moving; the lower end is for the wiring harness 5 to pass through.
Referring to fig. 3, preferably, the inner hole 11 of the main body 1 may include a first connection portion 111 sleeved with the waterproof ring 2 and a second connection portion 112 for passing the wire harness 5, and a diameter of the first connection portion 111 is larger than a diameter of the second connection portion 112.
Preferably, the first connection portion 111 and the second connection portion 112 may be provided as cylindrical holes, so as to facilitate the processing of the inner hole 11 on the main body 1 and the appearance of the waterproof ring 2.
The diameter of the first connecting part 111 is the same as the outer diameter of the waterproof ring 2, and in order to reduce the volume of the sealant required by potting, the diameter of the second connecting part 112 is equal to or slightly larger than the diameter of the wire harness 5.
The waterproof ring 2 is arranged in the inner hole 11 of the main body 1 and arranged between the main body 1 and the pressure sensor 3 to play a role of isolation and sealing, and prevent moisture on one non-contact side of the waterproof ring 2 and the pressure sensor 3 from permeating into the pressure sensor 3.
Preferably, the waterproof ring 2 may be provided with a groove 21 for mounting the pressure sensor 3, and the depth of the groove 21 is less than or equal to the height of the pressure sensor 3. The shape of recess 21 suits with pressure sensor 3's shape, and through recess 21, waterproof circle 2 has realized the location and the sealed water proof function to pressure sensor 3 position.
Please refer to the prior art for the material of the waterproof ring 2, which is not described herein.
Preferably, the waterproof ring 2 may be provided with a plurality of through holes 211 for the wire harness 5 to pass through, the through holes 211 are disposed on the bottom surface of the groove 21, and the through holes 211 are uniformly distributed in the circumferential direction of the waterproof ring 2. The number of the through holes 211 is the same as that of the wires in the wire harness 5, on one hand, the through holes 211 can separate the single wires in the wire harness 5, and the wires are prevented from being entangled with each other; on the other hand, the aperture area of the waterproof ring 2 is reduced, and the waterproof performance is improved.
Preferably, the shape of the through-hole 211 is adapted to the shape of the electric wire in the wire harness 5.
In order to prevent the wire harness 5 from coming off the pressure sensor 3, it is preferable that one end of the wire harness 5 may be welded to the pressure sensor 3. The number of wires in the wire harness 5 is the same as the number of welding points on the pressure sensor 3, and please refer to the prior art for the type and specification of the pressure sensor 3, the specification of the wire harness 5, and the welding manner, which will not be described herein again.
The main body 1 is mounted on a mounting plate and a locking member is used to lock the main body 1 to fix the position of the main body 1 on the mounting plate.
During assembly, the wiring harness 5 penetrates through the lower end face of the main body 1, so that the wiring harness 5 sequentially penetrates through the inner hole 11 of the main body 1 and the inner hole of the waterproof ring 2, and the wiring harness 5 and the pressure sensor 3 are connected; moving the pressure sensor 3 downwards until the lower end face of the pressure sensor 3 is contacted with the upper end face of the waterproof ring 2; moving the waterproof ring 2 downwards until the lower end face of the waterproof ring 2 is contacted with the bottom face of the inner hole 11 of the main body 1, and installing a fixing piece; and pouring sealant from the inner hole 11 of the lower end surface of the main body 1 until the inner hole 11 of the main body 1 is completely filled, and thus, pouring sealant and packaging are completed.
In the embodiment, the deep water pressure sensor packaging structure is simple in structure and convenient to install; meanwhile, the inner hole 11 of the main body 1 is completely filled with the sealant, so that moisture cannot enter the pressure sensor 3 through a gap between the wire harness 5 and the inner hole 11 of the main body 1, and a good waterproof effect is achieved.
Furthermore, because simple structure, the utility model provides a deep water pressure sensor packaging structure's volume is very little, and the installation space who occupies is few.
Preferably, a sealant may be applied to the upper end surface of the waterproof ring 2 to further improve the waterproof performance of the package structure.
On the basis of the embodiment, the fixing piece can comprise a compression nut 4, the pressure sensor 3 is sleeved in an inner hole of the compression nut 4, the lower end face of the compression nut 4 is in contact with the waterproof ring 2, and the upper end face of the compression nut 4 is flush with the upper end face of the main body 1; the gland nut 4 is provided with a first external thread, and the first connecting part 111 is provided with an internal thread matched with the first external thread.
When the compression nut 4 is installed, the compression nut 4 is screwed into the first connecting portion 111 from the upper end face of the main body 1, so that the first external thread on the compression nut 4 is meshed with the internal thread on the first connecting portion 111 until the upper end face of the compression nut 4 is flush with the upper end face of the main body 1.
The pitch, profile, number of threads, etc. of the first external thread of the compression nut 4 are determined according to actual requirements in production.
On the basis of the above embodiment, the locking member may comprise a locking nut 6, and the end of the main body 1 remote from the pressure sensor 3 is provided with a second external thread cooperating with the locking nut 6.
The pitch, the thread form, the thread number and the like of the second external thread are determined according to actual requirements in production.
In addition to the above embodiments, a sealing groove 12 for mounting the sealing ring 7 may be provided on an end surface of the body 1 for contacting the mounting plate, and a depth of the sealing groove 12 is smaller than a thickness of the sealing ring 7.
In a specific embodiment of the present invention, please refer to fig. 1-13, the deep water pressure sensor package structure includes a main body 1, a waterproof ring 2, a pressure sensor 3, a compression nut 4, a wire harness 5, a lock nut 6 and a seal ring 7, wherein the compression nut 4, the pressure sensor 3 and the waterproof ring 2 are sequentially installed in an inner hole 11 of the main body 1 from outside to inside, the lock nut 6 is sleeved on the lower portion of the main body 1, and the seal ring 7 is installed in a seal groove 12 of an end surface of the main body 1 for contacting with a mounting plate; a rectangular groove for installing the pressure sensor 3 is formed in the waterproof ring 2, and the pressure sensor 3 is installed in the rectangular groove; the upper part of the pressure sensor 3 is sleeved in an inner hole of the compression nut 4, the lower end face of the compression nut 4 is contacted with the upper end face of the waterproof ring 2, and the upper end face of the compression nut 4 is flush with the upper end face of the main body 1; four electric wires weld respectively on four solder joints of pressure sensor 3 in the pencil 5, are equipped with four through-holes 211 that are used for supplying single electric wire to pass in the rectangle recess, and through-hole 211 is the square hole, and four through-holes 211 are about the circumferential direction evenly distributed of waterproof circle 2.
In the embodiment, the deep water pressure sensor packaging structure is simple in structure and small in size, and is suitable for a pressure sensor 3 with the diameter of 3 mm; meanwhile, the sealing device has good sealing performance and can keep good sealing effect in a deep water environment with the water depth of 100 meters.
It should be noted that the first and second connection portions 111 and 112 and the first and second external threads mentioned in the present document are only used for distinguishing the difference of the positions, and do not limit the sequence.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above the utility model provides a deep water pressure sensor packaging structure introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. The packaging structure of the deep water pressure sensor is characterized by comprising a main body (1) sleeved in a mounting hole of a mounting plate, a waterproof ring (2), a pressure sensor (3), a wire harness (5), a fixing piece and a locking piece for locking the main body (1) and the mounting plate, wherein the fixing piece, the pressure sensor (3) and the waterproof ring (2) are sequentially mounted in an inner hole (11) of the main body (1) from outside to inside, and the fixing piece is used for preventing the pressure sensor (3) from moving in the axial direction of the main body (1);
one end of the wire harness (5) is connected with the pressure sensor (3), and the wire harness (5) sequentially penetrates through an inner hole of the waterproof ring (2) and an inner hole (11) of the main body (1);
and sealant is filled in the inner hole (11) of the main body (1) so as to seal the inner hole (11) of the main body (1) in a glue pouring and packaging manner.
2. The deep water pressure sensor packaging structure according to claim 1, wherein the inner hole (11) of the main body (1) comprises a first connecting part (111) sleeved with the waterproof ring (2) and a second connecting part (112) for the wire harness (5) to pass through, and the diameter of the first connecting part (111) is larger than that of the second connecting part (112).
3. The deep water pressure sensor package structure of claim 2, characterized in that the waterproof ring (2) is provided with a groove (21) for mounting the pressure sensor (3), and the depth of the groove (21) is less than or equal to the height of the pressure sensor (3).
4. The deep water pressure sensor packaging structure according to claim 3, wherein the fixing member comprises a compression nut (4), the pressure sensor (3) is sleeved in an inner hole of the compression nut (4), a lower end face of the compression nut (4) is in contact with the waterproof ring (2), and an upper end face of the compression nut (4) is flush with an upper end face of the main body (1);
the pressing nut (4) is provided with a first external thread, and the first connecting portion (111) is provided with an internal thread matched with the first external thread.
5. The deep water pressure sensor packaging structure according to claim 4, wherein the waterproof ring (2) is provided with a plurality of through holes (211) for the wire harness (5) to pass through, the through holes (211) are arranged on the bottom surface of the groove (21), and the through holes (211) are uniformly distributed in the circumferential direction of the waterproof ring (2).
6. The deep water pressure sensor package structure of claim 5, wherein the number of the through holes (211) is four, and the through holes (211) are square holes.
7. The deep water pressure sensor package according to any one of claims 1-6, wherein the locking member comprises a locking nut (6), and an end of the main body (1) remote from the pressure sensor (3) is provided with a second external thread engaged with the locking nut (6).
8. The deep water pressure sensor packaging structure according to claim 7, wherein a sealing groove (12) for mounting the sealing ring (7) is formed in an end face of the main body (1) contacting the mounting plate, and the depth of the sealing groove (12) is smaller than the thickness of the sealing ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922223494.0U CN211061111U (en) | 2019-12-12 | 2019-12-12 | Deepwater pressure sensor packaging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922223494.0U CN211061111U (en) | 2019-12-12 | 2019-12-12 | Deepwater pressure sensor packaging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211061111U true CN211061111U (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922223494.0U Active CN211061111U (en) | 2019-12-12 | 2019-12-12 | Deepwater pressure sensor packaging structure |
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| Country | Link |
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| CN (1) | CN211061111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880914A (en) * | 2021-02-05 | 2021-06-01 | 中国船舶科学研究中心 | Pressure sensor used under deepwater explosion condition |
-
2019
- 2019-12-12 CN CN201922223494.0U patent/CN211061111U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880914A (en) * | 2021-02-05 | 2021-06-01 | 中国船舶科学研究中心 | Pressure sensor used under deepwater explosion condition |
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