CN221055843U - Ultrasonic sensor protection device - Google Patents
Ultrasonic sensor protection device Download PDFInfo
- Publication number
- CN221055843U CN221055843U CN202322683789.2U CN202322683789U CN221055843U CN 221055843 U CN221055843 U CN 221055843U CN 202322683789 U CN202322683789 U CN 202322683789U CN 221055843 U CN221055843 U CN 221055843U
- Authority
- CN
- China
- Prior art keywords
- shell
- sensor
- support plate
- protection device
- ultrasonic sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000565 sealant Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 4
- 230000026683 transduction Effects 0.000 description 3
- 238000010361 transduction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Transducers For Ultrasonic Waves (AREA)
Abstract
The utility model discloses an ultrasonic sensor protection device which comprises a shell, wherein a first supporting plate for fixing a sensor at one end of the shell is arranged in the shell, a second supporting plate for fixing a circuit board at the other end of the shell is arranged in the shell, and the first supporting plate and the second supporting plate are detachably connected with an outer shell. When the sensor is used, the shell is required to bear external water pressure, the pressure is directly transmitted to the first support plate and the second support plate by the shell, the support plates not only play a role in fixing the sensor and the circuit board, but also isolate the circuit board, the sensor and the electric wires, and the sensor is also used for supporting the shell, so that the sensor and the internal circuit are damaged when the water pressure is excessive.
Description
Technical Field
The present disclosure relates to sensor assemblies, and particularly to an ultrasonic sensor protector.
Background
The depth of the deep water is measured, and data support can be provided for activities such as transportation, resource exploration and the like. The ultrasonic sensor is one of important parts of the depth finder, needs to be used underwater, the normal operation and service life of the sensor can be adversely affected by high pressure underwater, and the sensor needs to have the performances of water erosion resistance and compression resistance.
The current ultrasonic sensor is mostly suitable for river flow measurement and has certain compressive strength, for example, an ultrasonic flow sensor disclosed in patent document CN 102778261A, and the sensor supports a sensor transduction piece by installing a raised bearing fastening screw ring in the middle part in a shell, so that the damage of the sensor transduction piece caused by the influence of the liquid pressure in a pipeline is avoided, but the compressive property of the sensor transduction piece still cannot meet the requirement of ocean depth measurement.
Disclosure of utility model
The utility model aims to: the utility model aims to provide a compression-resistant ultrasonic sensor capable of resisting deep water pressure.
The technical scheme is as follows: the utility model relates to an ultrasonic sensor protection device, which comprises a cylindrical shell wrapped outside a sensor, and is characterized in that a first support plate for fixing the sensor at one end of the shell is arranged inside the shell and a second support plate for fixing a circuit board at the other end of the shell, and the first support plate and the second support plate are detachably connected with an outer shell. The shell inner wall, the first backup pad and the second backup pad outer wall are equipped with the screw thread, and first backup pad and second backup pad pass through the screw thread and can dismantle with the shell body and be connected. The sensor radius slightly is less than the casing internal diameter, exists the gap between sensor outer wall and the shells inner wall promptly, and during the use, the casing need bear water pressure, and pressure direct conduction is to first backup pad and second backup pad, and the backup pad plays fixed sensor and circuit board's effect, isolation circuit board, sensor to and the electric wire of connection circuit board and sensor also are used for supporting the casing, when preventing that water pressure is too big, sensor self and internal circuit damage.
Preferably, in order to facilitate the assembly of the sensor, the tightness of the shell is improved, annular grooves for placing sealing rings are respectively arranged at two ends of the shell, a first mounting hole for a line to pass through is formed in the middle of the first support shell and the second support shell, a second mounting hole for assembling the first support plate, the second support plate and the shell is formed in the periphery of the first support shell, the second support plate and the shell, the sealing rings are arranged in the annular grooves, and the sealing rings are made of elastic materials.
Preferably, in order to ensure the compressive strength of the housing itself, the thickness of the housing is not less than 5mm, and the thickness of the first support plate and the second support plate is not less than 10mm.
Preferably, in order to improve sealing performance, the housing is supported, and an end cover is arranged at one end of the housing, which is close to the second supporting plate.
Preferably, in order to stabilize the internal pressure, a sealant is filled in the cavity between the first support plate and the second support plate.
Preferably, the cavity between the second support plate and the end cover is filled with sealant for stabilizing the pressure inside the sensor.
Preferably, in order to facilitate the assembly of the sensor, a connecting hole for connecting with a cable connector is formed in the middle of the end cover, the cable connector enables the sensor to be connected with the signal receiving and processing device, the cable connector is an M20 waterproof connector, the M20 waterproof connector is provided with a sealing ring, and no additional waterproof treatment is needed at the connecting hole.
The beneficial effects are that: compared with the prior art, the utility model has the following advantages: 1. high pressure against the deepwater environment; 2. the structure is optimized, and the tightness is improved; 3. maintaining the sensor life.
Drawings
FIG. 1 is a front cross-sectional view of the structure of the present utility model;
FIG. 2 is a front cross-sectional view of a portion of the structure of the present utility model;
Fig. 3 is a front view of the structure of the present utility model.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings.
Examples: as shown in fig. 1 to 3, the ultrasonic sensor protection device of the present utility model mainly comprises a housing 5, a first support plate 1, a second support plate 2, and an end cover 6, wherein the housing 5 is cylindrical, threads (not shown) are provided on an inner wall of the housing 5, an end cover 6 in threaded connection with the housing 5 is provided at one end of the housing 5, one end of the housing 5 far from the end cover is closed, i.e. an inner diameter of one end of the housing 5 far from the end cover is smaller than an inner cavity diameter of the housing 5.
The inner cavity of the shell 5 is sequentially provided with a first supporting plate 1 and a second supporting plate 2 which are in threaded connection, the first supporting plate and the second supporting plate are parallel to the end cover 6, the first supporting plate 1 is used for fixing the ultrasonic sensor 3 at one end, far away from the end cover 6, of the shell 5, and at the moment, two ends of the sensor 3 are respectively connected with the closing-in of the shell 5 and the first supporting plate 1 in a butt mode. The second support plate 2 is used to secure a circuit board (not shown) within a cavity between the second support plate 2 and the cover plate 6.
A first mounting hole 4 for a line to pass through is reserved in the middle of the first support plate 1 and the second support plate 2, a second mounting hole for assembling the first support plate, the second support plate and the shell is arranged on the periphery, and a connecting hole 9 for connecting with a cable connector 10 is formed in the middle of the end cover 6.
Annular grooves 7 are respectively formed in two ends of the shell 5 and are used for placing and limiting the sealing rings.
During installation, place bottom seal circle, place sensor 3 in casing 5, rotatory installation first backup pad 1 makes sensor 3 fixed, continue rotatory installation second backup pad, it is fixed with the circuit board, connecting wire, the electric wire is placed in the cavity between first backup pad and the second backup pad, cavity inside packing sealant between first backup pad and second backup pad, second backup pad and apron, the sealant is epoxy, photo-curing resin or other resin that can solidify, place top seal circle, rotatory installation M20 cable joint's apron 6, accomplish the sensor assembly promptly.
The two ends of the sensor are fixed, when the sensor is used in deep water, a gap exists between the side wall of the sensor and the shell 5, the first support plate 1 and the second support plate 2 are in direct contact with the shell, the pressure born by the shell is firstly conducted to the support plate, and the sensor 3 is protected. In order to ensure the compressive strength of the shell body, the thickness of the shell body 5 is not less than 5mm, the thickness of the first supporting plate and the second supporting plate is not less than 10mm, and the filled sealant balances the internal pressure of the shell body.
When the sensor is used in a deepwater area, moisture is easier to enter the sensor, and sealing rings are arranged at two ends of the shell 5 to prevent the moisture from entering.
Claims (7)
1. The utility model provides an ultrasonic sensor protection device, includes outside tubular casing (5) of sensor (3), its characterized in that, casing (5) inside is equipped with first backup pad (1) at casing one end with sensor (3), is used for fixing circuit board second backup pad (2) at the casing other end, first backup pad (1) and second backup pad (2) are connected with the casing can be dismantled.
2. The ultrasonic sensor protection device of claim 1, wherein the housing has a thickness of not less than 5mm and the first and second support plates have a thickness of not less than 10mm.
3. The ultrasonic sensor protection device according to claim 1, characterized in that annular grooves (7) for placing sealing rings are respectively arranged at two ends of the shell.
4. The ultrasonic sensor protection device according to claim 1, characterized in that the end of the housing close to the second support plate is provided with an end cap (6).
5. The ultrasonic sensor protection device of claim 1, wherein the cavity between the first support plate and the second support plate is filled with a sealant.
6. The ultrasonic sensor protection device of claim 4, wherein the cavity between the second support plate and the end cap is filled with a sealant.
7. The ultrasonic sensor protection device according to claim 4, characterized in that a connection hole (9) for connection with a cable connector is provided in the middle of the end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322683789.2U CN221055843U (en) | 2023-10-08 | 2023-10-08 | Ultrasonic sensor protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322683789.2U CN221055843U (en) | 2023-10-08 | 2023-10-08 | Ultrasonic sensor protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221055843U true CN221055843U (en) | 2024-05-31 |
Family
ID=91202270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322683789.2U Active CN221055843U (en) | 2023-10-08 | 2023-10-08 | Ultrasonic sensor protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221055843U (en) |
-
2023
- 2023-10-08 CN CN202322683789.2U patent/CN221055843U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |