CN220104493U - Small-size telemetering measurement transmitter embedment device - Google Patents
Small-size telemetering measurement transmitter embedment device Download PDFInfo
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- CN220104493U CN220104493U CN202321453313.3U CN202321453313U CN220104493U CN 220104493 U CN220104493 U CN 220104493U CN 202321453313 U CN202321453313 U CN 202321453313U CN 220104493 U CN220104493 U CN 220104493U
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- encapsulating
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- 238000005259 measurement Methods 0.000 title description 3
- 238000004382 potting Methods 0.000 claims abstract description 54
- 239000003292 glue Substances 0.000 claims abstract description 40
- 238000002347 injection Methods 0.000 claims abstract description 21
- 239000007924 injection Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 12
- 239000004677 Nylon Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 238000005538 encapsulation Methods 0.000 abstract description 8
- 239000000565 sealant Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a small-sized telemetering transmitter encapsulating device, which comprises: the encapsulating shell is of a hollow cavity structure and is used for accommodating the telemetering transmitter assembly; the potting top plate is arranged at the top of the potting shell; the encapsulating bottom plate is arranged at the bottom of the encapsulating shell; the glue injection nozzle is arranged on the potting top plate and is connected with the glue injector through a pipeline and used for injecting glue; the air passage nozzle is arranged on the potting top plate and is connected with a vacuum pressurizing pump through a pipeline for vacuumizing and exhausting or pressurizing inwards; the telemetering transmitter assembly comprises a transmitter shell and a telemetering transmitter arranged on the transmitter shell, wherein the top of the transmitter shell is provided with a small hole corresponding to the injection joint and the air path joint, the opening of the bottom of the transmitter shell is provided with an interface plate, and the transmitter shell is pressed in the potting shell by the bottom of the transmitter shell and the lower part of the interface plate through a potting bottom plate. The utility model can realize the encapsulation in a narrow space and solve the problem of stability of the telemetry transmitter in the narrow space in the engine.
Description
Technical Field
The utility model belongs to the technical field of telemetry transmitters, and particularly relates to a small-sized telemetry transmitter encapsulating device.
Background
The measurement of engine rotor parameters is a key technology and bottleneck of engine test, and extends through the whole process of engine structural strength test and performance test. Structural strength assessment, service life assessment, performance test and safety monitoring in the engine test all need to reliably measure dynamic strain parameters of the rotating member. The remote measuring system is used as a rotary member parameter acquisition and transmission device and has the advantages of flexible installation, long service life, small volume, multiple channels, light weight and the like.
The telemetering transmitter is an important component of a telemetering system, is arranged on an engine optional component, needs to adapt to a narrow installation space, and needs to bear severe working conditions of the engine such as high rotating speed, high centrifugal force, vibration and the like. The core of the transmitter is a circuit board and electronic components, and the transmitter is small in size, light in weight and small in gap between the components, cannot be stably realized, and is easy to fall off in the shaking process.
Disclosure of Invention
In order to overcome the defects of the prior art method, the utility model aims to provide a small-sized telemetering transmitter encapsulating device which can realize the encapsulation in a narrow space and solve the problem of stability of the telemetering transmitter in the narrow space in an engine.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a miniature telemetry transmitter potting apparatus comprising:
the encapsulating shell is of a hollow cavity structure and is used for accommodating the telemetering transmitter assembly, and two ends of the encapsulating shell are open;
the potting top plate is arranged at the top of the potting shell;
the encapsulating bottom plate is arranged at the bottom of the encapsulating shell;
the glue injection nozzle is arranged on the potting top plate and is connected with the glue injector through a pipeline and used for injecting glue;
the air passage nozzle is arranged on the potting top plate and is connected with a vacuum pressurizing pump through a pipeline for vacuumizing and exhausting or pressurizing inwards;
the telemetering transmitter assembly comprises a transmitter shell and a telemetering transmitter arranged on the transmitter shell, wherein the top of the transmitter shell is provided with a small hole corresponding to the injection joint and the air path joint, the opening of the bottom of the transmitter shell is provided with an interface board, and the transmitter shell is pressed in the potting shell by the bottom of the transmitter shell and the lower part of the interface board through a potting bottom plate.
Further, the injection joint mouth and the gas circuit joint mouth have the same structure and comprise a threaded joint mouth, a gasket and an O-shaped sealing ring, wherein the gasket is arranged at the tail end of the threaded joint mouth at the middle section of the threaded joint mouth, and the O-shaped sealing ring is arranged at the bottom end of the threaded joint mouth.
Further, the threaded joint mouth adopts a pipe diameter of 1.6mm as a vacuumizing port and a glue injection port, a pipeline connected with the glue injection joint mouth adopts a nylon hose of 1.6mm, and a pipeline connected with the gas circuit joint mouth adopts a nylon hose of 1.6 mm; the aperture of the small hole at the top of the transmitter shell is 1.8mm.
Further, the potting top plate and the potting shell are fixedly connected through connecting screws.
Further, the transmitter shell to be encapsulated is compressed in the encapsulating shell through the compression screw between the encapsulating bottom plate and the encapsulating shell.
Further, a transparent glue collector is arranged on a pipeline from the gas path nozzle to the glue injector.
Further, the telemetry transmitter includes a plurality of layers of longitudinally disposed circuit boards wired to sockets disposed on an interface board disposed at the bottom of the transmitter housing.
Further, a square hole is formed in the middle of the joint of the encapsulating bottom plate and the interface plate, so that the interface plate socket can be leaked, and the interface plate socket can be effectively prevented from being crushed.
The beneficial effect of adopting this technical scheme is:
according to the small-sized telemetering transmitter encapsulating device, the high-performance insulating heat-dissipating material is injected into the telemetering transmitter shell through the encapsulating device, after the telemetering transmitter shell is solidified, the telemetering transmitter shell can be effectively insulated, and meanwhile, the electronic components are supported and fixed, so that the device has higher integrity, and the vibration resistance and impact resistance are improved.
Drawings
FIG. 1 is a schematic diagram of a small telemetry transmitter potting apparatus of the present utility model;
FIG. 2 is a schematic view of a structure of a nozzle according to an embodiment of the present utility model;
FIG. 3 is a longitudinal cross-sectional view of a potting apparatus and a transmitter assembly according to an embodiment of the utility model;
FIG. 4 is a transverse cross-sectional view of a potting apparatus and a transmitter assembly according to an embodiment of the utility model;
FIG. 5 is a schematic diagram of a transmitter assembly according to an embodiment of the present utility model;
wherein 1 is the embedment casing, 2 is the embedment roof, 3 is the embedment bottom plate, 4 is the injecting glue mouth, 5 is the gas circuit mouth, 6 is the vacuum pump, 7 is the injecting glue ware, 8 is the transmitter casing, 9 is the aperture, 10 is the interface board, 11 is the socket, 12 is transparent album gluey ware, 13 is square hole, 14 is connecting screw, 15 is compression screw, 16 is the circuit board, 17 is the screwed mouth, 18 is the gasket, 19 is O shape sealing washer, 20 is the embedment glue.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
In this embodiment, referring to fig. 1 and 3, a small telemetry transmitter potting apparatus, comprising:
the encapsulation shell 1 is of a hollow cavity structure and is used for accommodating a telemetry transmitter assembly, and two ends of the encapsulation shell are open;
a potting top plate 2 arranged at the top of the potting shell 1;
the potting bottom plate 3 is arranged at the bottom of the potting shell 1;
the glue injection nozzle 4 is arranged on the potting top plate 2 and is connected with the glue injector 7 through a pipeline for injecting glue;
the air passage nozzle 5 is arranged on the potting top plate 2 and is connected with the vacuum pressurizing pump 6 through a pipeline for vacuumizing and exhausting or pressurizing inwards;
the telemetering transmitter assembly comprises a transmitter shell 8 and a telemetering transmitter arranged on the transmitter shell 8, wherein a small hole 9 corresponding to the glue injection nozzle 4 and the gas path nozzle 5 is arranged at the top of the transmitter shell 8, as shown in fig. 5, an interface board 10 is arranged at the opening of the bottom of the transmitter shell 8, and the transmitter shell 8 is pressed in the potting shell 1 by using the potting bottom plate 3 under the bottom of the transmitter shell 8 and the interface board 10.
Wherein the telemetry transmitter includes a plurality of layers of longitudinally disposed circuit boards 16, as shown in fig. 4. The utility model is suitable for the potting work of a miniaturized and precise telemetry transmitter with a plurality of layers of circuit boards 16 inside and extremely small inter-board distances, and potting adhesive 20 can be fully filled among the longitudinal circuit boards 1, 2 and n.
As an optimization scheme of the above embodiment, as shown in fig. 2, the injection joint nozzle 4 and the gas path joint nozzle 5 have the same structure, and include a threaded joint nozzle 17, a gasket 18 and an O-ring 19, where the gasket 18 is disposed at the end of the threaded joint of the middle section of the threaded joint nozzle 17, and the O-ring 19 is disposed at the bottom end of the threaded joint nozzle 17. Adopts threaded connection and is convenient to detach. The parts of the nozzle assembly are relatively static when the device is used, and the end face static sealing mode, the combined gasket 18 and the O-shaped sealing ring 19 are pressed and then are attached and sealed with the wall surface, so that the glue leakage and the air leakage are avoided.
In order to ensure that the transmitter shell 8 cannot shake in the potting shell 1, and the amount of glue to be poured is small because of small internal gaps in the transmitter, the threaded joint mouth 17 adopts a pipe diameter of 1.6mm as a vacuumizing port and a glue injection port, a pipeline connected with the glue injection joint mouth 4 adopts a nylon hose of 1.6mm, and a pipeline connected with the air joint mouth 5 adopts a nylon hose of 1.6 mm; the aperture of the top small hole 9 of the transmitter housing 8 is 1.8mm.
As an optimization scheme of the embodiment, the potting top plate 2 and the potting shell 1 are fixedly connected through a connecting screw 14.
The transmitter housing 8 to be encapsulated is compressed in the encapsulation housing 1 between the encapsulation bottom plate 3 and the encapsulation housing 1 by the compression screw 15.
As an optimization scheme of the embodiment, a transparent glue collector 12 is arranged on a pipeline from the air channel connector 5 to the glue injector 7 and used for observing the encapsulation effect.
As an optimization of the above embodiment, the telemetry transmitter comprises a plurality of layers of longitudinally arranged circuit boards 16, and the circuit boards 16 are wired to sockets 11 arranged on an interface board 10 arranged at the bottom of the transmitter housing 8.
Square holes 13 are formed in the middle of the joint of the encapsulating bottom plate 3 and the interface board 10 for the interface board socket 11 to leak, so that the interface board socket 11 can be effectively prevented from being crushed.
For a better understanding of the present utility model, the following is a complete description of the principles of the utility model:
a small telemetry transmitter potting apparatus is constructed and telemetry transmitter components are installed in the potting apparatus. The surface of the telemetering transmitter assembly with the filling and sealing reserved small hole 9 is upwards filled into the filling and sealing shell 1, and then the filling and sealing bottom plate 3 compresses the telemetering transmitter in the cavity through the compression screw 15.
Pouring sealant 20 is injected into the glue injector 7, and the glue injector 7 is connected into the glue injection nozzle 4 through a pipeline. The other gas path joint mouth 5 is connected with a pressurizing pump or a vacuum pump, air in a telemetering transmitter component is pumped to form negative pressure, meanwhile, pouring sealant 20 is injected at a certain speed to fully fill the potting sealant, when the potting sealant 20 overflows into the transparent glue collector 12 from the gas path joint mouth 5 to reach a certain height, glue injection and vacuum pumping are stopped, a glue injection pipe is taken down at the moment, the glue injection joint mouth 4 is plugged by a plug, a certain pressure is applied in the pipeline direction at the upper end of the transparent glue collector container, a certain shrinkage gap is formed in the solidification process of the potting sealant 20, and the potting sealant 20 in the glue collector can partially reflow into the transmitter shell 8 under the action of the pressure to fill the shrinkage gap to ensure that the potting sealant is tightly filled.
After the transparent adhesive collector 12 is completely solidified, the plugs are removed, the compression screw 15 and the connecting screw 14 are disassembled, so that the device is used for separating and taking out the packaged transmitters, after the encapsulating operation, a plurality of groups of encapsulated transmitter modules are weighed, the measured quality of the transmitter modules is identical with the theoretical quality, and therefore, the situation that the inside has no adhesive sealing defect, the density is identical, and interlayers, bubbles and the like are not generated can be judged.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. A small telemetry transmitter potting apparatus, comprising:
the encapsulating shell (1) is of a hollow cavity structure and is used for accommodating a telemetry transmitter assembly, and two ends of the telemetry transmitter assembly are open;
the potting top plate (2) is arranged at the top of the potting shell (1);
the encapsulating bottom plate (3) is arranged at the bottom of the encapsulating shell (1);
the glue injection nozzle (4) is arranged on the potting top plate (2) and is connected with the glue injector (7) through a pipeline for injecting glue;
the air passage nozzle (5) is arranged on the potting top plate (2) and is connected with the vacuum pressurizing pump (6) through a pipeline for vacuumizing and exhausting or pressurizing inwards;
the telemetering transmitter assembly comprises a transmitter shell (8) and a telemetering transmitter arranged on the transmitter shell (8), wherein a small hole (9) corresponding to the glue injection joint (4) and the gas circuit joint (5) is arranged at the top of the transmitter shell (8), an interface board (10) is arranged at the opening of the bottom of the transmitter shell (8), and the transmitter shell (8) is pressed in the potting shell (1) by using a potting bottom plate (3) under the transmitter shell (8) and the interface board (10).
2. The small-sized telemetering transmitter filling and sealing device according to claim 1, wherein the injection joint nozzle (4) and the gas joint nozzle (5) are identical in structure and comprise a threaded joint nozzle (17), a gasket (18) and an O-shaped sealing ring (19), the gasket (18) is arranged at the tail end of a threaded joint in the middle section of the threaded joint nozzle (17), and the O-shaped sealing ring (19) is arranged at the bottom end of the threaded joint nozzle (17).
3. The small-sized telemetering transmitter encapsulating device according to claim 2, wherein the threaded joint mouth (17) adopts a pipe diameter of 1.6mm as a vacuumizing port and a glue injection port, a pipeline connected with the glue injection joint mouth (4) adopts a nylon hose of 1.6mm, and a pipeline connected with the gas circuit joint mouth (5) adopts a nylon hose of 1.6 mm; the aperture of the small hole (9) at the top of the transmitter shell (8) is 1.8mm.
4. The small-sized telemetering transmitter encapsulating device according to claim 1, wherein the encapsulating top plate (2) is fixedly connected with the encapsulating shell (1) through a connecting screw (14).
5. A small telemetry transmitter potting arrangement according to claim 1, characterised in that the transmitter housing (8) to be potted is compressed in the potting housing (1) between the potting base plate (3) and the potting housing (1) by compression screws (15).
6. A small telemetry transmitter potting device according to claim 1, characterised in that a transparent glue collector (12) is provided on the line from the air tap (5) to the glue injector (7).
7. A small telemetry transmitter potting arrangement according to claim 1, characterised in that the telemetry transmitter comprises a plurality of layers of longitudinally arranged circuit boards (16), the circuit boards (16) being wired to sockets (11) provided on an interface board (10) provided at the bottom of the transmitter housing (8).
8. A small telemetry transmitter potting arrangement according to claim 7, characterised in that a square hole (13) is provided in the middle of the place where the potting base (3) is attached to the interface board (10) for the interface board socket (11) to leak out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321453313.3U CN220104493U (en) | 2023-06-08 | 2023-06-08 | Small-size telemetering measurement transmitter embedment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321453313.3U CN220104493U (en) | 2023-06-08 | 2023-06-08 | Small-size telemetering measurement transmitter embedment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220104493U true CN220104493U (en) | 2023-11-28 |
Family
ID=88847938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321453313.3U Active CN220104493U (en) | 2023-06-08 | 2023-06-08 | Small-size telemetering measurement transmitter embedment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220104493U (en) |
-
2023
- 2023-06-08 CN CN202321453313.3U patent/CN220104493U/en active Active
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