CN215494124U - Ultrasonic ranging device for improving sealing performance - Google Patents
Ultrasonic ranging device for improving sealing performance Download PDFInfo
- Publication number
- CN215494124U CN215494124U CN202121830468.5U CN202121830468U CN215494124U CN 215494124 U CN215494124 U CN 215494124U CN 202121830468 U CN202121830468 U CN 202121830468U CN 215494124 U CN215494124 U CN 215494124U
- Authority
- CN
- China
- Prior art keywords
- mounting hole
- shell
- sealing
- circuit board
- wall
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 65
- 239000000523 sample Substances 0.000 claims abstract description 51
- 239000003292 glue Substances 0.000 claims abstract description 20
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000000565 sealant Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 16
- 230000009286 beneficial effect Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Landscapes
- Transducers For Ultrasonic Waves (AREA)
Abstract
The utility model discloses an ultrasonic ranging device for improving the sealing property.A first mounting hole, a second mounting hole and a sound wave receiving hole are sequentially formed in a shell from a large-caliber port to a small-caliber port; the ultrasonic probe is fixed on the inner wall of the second mounting hole in a sealing mode through sealing glue, and meanwhile the ultrasonic probe is packaged by the sealing glue; the circuit board is fixed on the inner wall of the first mounting hole in a sealing mode through sealing glue, the circuit board is electrically connected with the ultrasonic probe through a probe lead, and meanwhile the circuit board is packaged by the sealing glue; the cover is detachably connected with the shell, and meanwhile, a threading hole is formed in the cover in a penetrating mode; one end of the cable is located outside the shell, the other end of the cable is fixed with an interface, the interface penetrates through the threading hole to be connected with the circuit board, and meanwhile the interface and the joint of the interface and the circuit board are packaged through sealant. The utility model discloses an ultrasonic ranging device capable of improving the sealing performance, which not only ensures a large ranging range, but also improves the sealing performance, thereby having good waterproof and dustproof effects.
Description
Technical Field
The utility model relates to the technical field of ultrasonic ranging devices, in particular to an ultrasonic ranging device capable of improving sealing performance.
Background
In recent years, with the continuous improvement of production requirements, the liquid level measurement technology is also developed towards automation, and the environmental limitation, accuracy and punctuality of manual measurement can not meet the production detection requirements. The measurement technology is widely applied to various fields of petroleum, exploration, chemical engineering and the like, and along with the rapid development of sensors and informatization, the measurement technology is developed in a non-contact automatic measurement direction, and the high efficiency, the adaptability and the accuracy under different detection environments and the like brought by the measurement technology are adapted to higher and higher application requirements.
Among these, ultrasonic measurement is the fastest growing measurement. Nowadays, ultrasonic distance measurement products (ultrasonic liquid level meters or ultrasonic level meters) are rapidly developed, the ultrasonic distance measurement products also need larger measurement range along with the change of application scenes, so that a mode of exposing an ultrasonic transmitting/receiving probe is selected by many ultrasonic distance measurement products to achieve the maximum measurement range of the ultrasonic probe, although the mode can effectively improve the distance measurement range of the products, the waterproof performance of the products is sacrificed to a certain extent by the exposed probe, and the application scenes of the products are limited to a certain extent.
In addition, the ultrasonic measurement product in the prior art only seals the interface through the silicone rubber, so that water or dust and the like can enter the shell through a gap between the ultrasonic probe (ultrasonic sensor) and the inner wall of the shell, and the ultrasonic probe is easily damaged.
Therefore, it is an urgent need to solve the technical problem of the art to provide an ultrasonic ranging device capable of improving the sealing performance while ensuring a large ranging range.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an ultrasonic ranging device with improved sealing performance, which not only ensures a larger ranging range, but also improves sealing performance, thereby having better waterproof and dustproof effects.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an ultrasonic ranging device for improving sealability, comprising:
the acoustic wave transducer comprises a shell, a first mounting hole, a second mounting hole and an acoustic wave connecting hole, wherein the shell is cylindrical, one end of the shell is a large-caliber port, the other end of the shell is a small-caliber port, the first mounting hole, the second mounting hole and the acoustic wave connecting hole are sequentially formed in the shell from the large-caliber port to the small-caliber port, the second mounting hole is communicated with the first mounting hole and the acoustic wave connecting hole respectively, the first mounting hole is communicated with the large-caliber port, and the acoustic wave connecting hole is communicated with the small-caliber port;
the ultrasonic probe is fixed on the inner wall of the second mounting hole in a sealing mode through sealing glue, and meanwhile the ultrasonic probe is packaged by the sealing glue;
the circuit board is fixed on the inner wall of the first mounting hole in a sealing mode through sealing glue, the circuit board is electrically connected with the ultrasonic probe through a probe lead, and meanwhile the circuit board is packaged by the sealing glue;
the cover is covered on the large-caliber port and detachably connected with the shell, and meanwhile, a threading hole is penetrated through the cover;
the one end of cable is located outside the casing, and the other end is fixed with the interface, just the interface passes through the threading jogged joint the circuit board, simultaneously the interface with the junction of circuit board all is through sealed encapsulation.
Preferably, the sound wave receiving hole is horn-shaped, and the aperture of one end of the sound wave receiving hole, which is communicated with the second mounting hole, is smaller than the aperture of the small-aperture port.
Preferably, an inclined plane is cut on the inner wall of the second mounting hole close to one end of the first mounting hole, and the inclined plane gradually inclines towards the direction of the central line far away from the second mounting hole from the end far away from the first mounting hole to the end close to the first mounting hole.
Preferably, the probe lead and the cable in the shell are both encapsulated by a sealant.
Preferably, the outer wall of the cover is sleeved with and fixed with a sealing ring, the outer wall of the cover is in threaded connection with the inner wall of the first mounting hole, and meanwhile the sealing ring seals a gap between the cover and the inner wall of the first mounting hole.
Preferably, the material of the shell is polyvinylidene fluoride.
Compared with the prior art, the ultrasonic ranging device with improved sealing performance can achieve the following technical effects:
the ultrasonic probe of the utility model does not extend out of the shell, but is arranged in the second mounting hole, the second mounting hole is communicated with the sound wave receiving hole, and the sound wave receiving hole is communicated with the small-caliber port, so that the ultrasonic probe receives and releases sound waves through the special sound wave receiving hole, and the utility model can ensure that the utility model has larger range measurement range. Meanwhile, the interface and the joint of the interface and the circuit board are sealed by the sealant so as to ensure the sealing performance of the interface, the ultrasonic probe is respectively fixed on the inner wall of the second mounting hole in a sealing manner by the sealant, the circuit board is fixed on the inner wall of the first mounting hole in a sealing manner, and the ultrasonic probe, the ultrasonic probe and the circuit board are not extended out of the shell and are all sealed by the sealant, so that water, dust and the like are difficult to enter the shell through gaps between the inner wall of the shell and the ultrasonic probe and between the inner wall of the shell and the circuit board, and the sealing performance of the utility model is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 a block diagram of the housing of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
fig. 3 is a structural view of the cap of the present invention.
Wherein, 1-shell; 101-large diameter port; 102-small diameter port; 11-a first mounting hole; 12-a second mounting hole; 13-a sound wave receiving hole; 2-a lid; 20-threading holes; 120-inclined plane.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the utility model discloses an ultrasonic ranging device for improving sealing property, which comprises:
the acoustic wave packaging structure comprises a shell 1, wherein the shell 1 is cylindrical, one end of the shell 1 is a large-caliber port 101, the other end of the shell 1 is a small-caliber port 102, meanwhile, a first mounting hole 11, a second mounting hole 12 and an acoustic wave receiving hole 13 are sequentially formed in the shell 1 from the large-caliber port 101 to the small-caliber port 102, the second mounting hole 12 is communicated with the first mounting hole 11 and the acoustic wave receiving hole 13 respectively, the first mounting hole 11 is communicated with the large-caliber port 101, and the acoustic wave receiving hole 13 is communicated with the small-caliber port 102;
the ultrasonic probe is fixed on the inner wall of the second mounting hole 12 in a sealing mode through sealing glue, and meanwhile the ultrasonic probe is packaged by the sealing glue;
the circuit board is fixed on the inner wall of the first mounting hole 11 in a sealing mode through sealing glue, the circuit board is electrically connected with the ultrasonic probe through a probe lead, and meanwhile the circuit board is packaged by the sealing glue;
the cover 2 is covered on the large-caliber port 101 and is detachably connected with the shell 1, and meanwhile, a threading hole 20 is formed in the cover 2 in a penetrating mode;
one end of the cable is located outside the shell 1, the other end of the cable is fixed with an interface, the interface penetrates through the threading hole 20 to be connected with the circuit board, and meanwhile the interface and the connection position of the interface and the circuit board are packaged through sealing glue.
The ultrasonic probe of the present invention is installed in the second mounting hole 12 without extending out of the housing 1, and the second mounting hole 12 is connected to the sound wave receiving hole 13, and the sound wave receiving hole 13 is connected to the small-diameter port 102, so that the ultrasonic probe receives and releases sound waves through the special sound wave receiving hole 13, and the present invention can ensure a large ranging range. Meanwhile, the interface and the connection part of the interface and the circuit board are packaged by the sealant, so that the sealing performance of the interface is ensured, the ultrasonic probe is respectively fixed on the inner wall of the second mounting hole 12 in a sealing manner by the sealant, the circuit board is fixed on the inner wall of the first mounting hole 11 in a sealing manner, and the ultrasonic probe, the ultrasonic probe and the circuit board which do not extend out of the shell 1 are packaged by the sealant, so that water, dust and the like are difficult to enter the shell 1 through gaps between the inner wall of the shell and the ultrasonic probe and between the inner wall of the shell and the circuit board, and the sealing performance of the utility model is improved.
In order to further optimize the above technical solution, the sound wave receiving hole 13 is horn-shaped, and the aperture of the end of the sound wave receiving hole 13 connected to the second mounting hole 12 is smaller than the aperture of the small-aperture port 102.
By adopting the technical scheme, the utility model has the beneficial effects that: the power of the ultrasonic wave emitted by the ultrasonic probe is improved, the directivity of the ultrasonic wave emitted by the ultrasonic probe is improved, and the sensitivity of the ultrasonic wave received by the ultrasonic probe is improved, so that the utility model can ensure a larger range.
In order to further optimize the above technical solution, an inclined surface 120 is cut on an inner wall of the second mounting hole 12 near one end of the first mounting hole 11, and the inclined surface 120 gradually inclines towards a direction of a central line far away from the second mounting hole 12 from one end far away from the first mounting hole 11 to one end near the first mounting hole 11.
By adopting the technical scheme, the utility model has the beneficial effects that: the inclined plane 120 is used as a transition section to enlarge the caliber of the second mounting hole 12 close to one end of the first mounting hole 11, so that the ultrasonic probe can be conveniently mounted, the ultrasonic probe can be conveniently mounted in place, and the ultrasonic probe can be accurately mounted in the second mounting hole 12.
In order to further optimize the technical scheme, the probe lead and the cable in the shell 1 are both encapsulated by sealing glue.
By adopting the technical scheme, the utility model has the beneficial effects that: all parts in the shell 1 are hermetically wrapped by the sealing glue, so that the sealing performance of the utility model is further improved.
In order to further optimize the technical scheme, a sealing ring is sleeved and fixed on the outer wall of the cover 2, the outer wall of the cover 2 is in threaded connection with the inner wall of the first mounting hole 11, and meanwhile the sealing ring seals a gap between the cover 2 and the inner wall of the first mounting hole 11.
By adopting the technical scheme, the utility model has the beneficial effects that: water and dust are further prevented from entering the housing 1 through the gap between the housing 1 and the cover 2 by the sealing ring.
In order to further optimize the technical scheme, the sealing ring is a rubber sealing ring.
In order to further optimize the technical scheme, the shell 1 is made of polyvinylidene fluoride.
By adopting the technical scheme, the utility model has the beneficial effects that: its advantages are high chemical stability, high chemical corrosion resistance and heat resistance, long service life at-62-150 deg.C, and high electrolytic constant. Can resist all mediums such as salt, acid, alkali, aromatic hydrocarbon, halogen and the like except hydrochloric acid and strong solvent. Non-inflammable, wear-resistant and self-lubricating.
Example 1:
the utility model provides an ultrasonic ranging device for improving sealing performance, which comprises the following assembling processes:
s1, placing the ultrasonic probe into the second mounting hole 12 from the large-caliber port 101 of the shell 1, and sealing and fixing the ultrasonic probe on the inner wall of the second mounting hole 12 through sealant;
s2, after the ultrasonic probe is fixed, leading out a probe lead wire connected to the ultrasonic probe, then pouring sealant again, enabling the sealant to wrap the ultrasonic probe, and after the sealant is dried completely, realizing the packaging of the ultrasonic probe;
s3, connecting the led-out probe lead with a circuit board, and fixing the circuit board on the inner wall of the first mounting hole 11 through sealant;
s4, one end of the cable fixed with the interface is passed through the threading hole 20 of the cover 2, and the interface is connected to the circuit board;
s5, pouring sealant from the large-caliber port 101 of the shell 1 again to enable the sealant to completely submerge the circuit board, the interface, the connection part of the circuit board and the interface, the cable and the probe lead;
s6, sleeving the outer wall of the cover 2 with a rubber sealing ring to further prevent moisture from entering, screwing the cover 2 onto the shell 1, and waiting for the sealant filled into the shell 1 to be dried completely, so that all parts in the shell 1 can be packaged by the sealant, and the dustproof water drainage effect of IP68 level can be achieved after the operation.
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. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides an improve ultrasonic ranging device of leakproofness which characterized in that includes:
the sound wave receiving device comprises a shell (1), wherein the shell (1) is cylindrical, one end of the shell (1) is a large-caliber port (101), the other end of the shell is a small-caliber port (102), meanwhile, a first mounting hole (11), a second mounting hole (12) and a sound wave receiving hole (13) are sequentially formed in the shell (1) from the large-caliber port (101) to the small-caliber port (102), the second mounting hole (12) is respectively communicated with the first mounting hole (11) and the sound wave receiving hole (13), the first mounting hole (11) is communicated with the large-caliber port (101), and the sound wave receiving hole (13) is communicated with the small-caliber port (102);
the ultrasonic probe is fixed on the inner wall of the second mounting hole (12) in a sealing mode through sealing glue, and meanwhile the ultrasonic probe is packaged by the sealing glue;
the circuit board is fixed on the inner wall of the first mounting hole (11) in a sealing mode through sealing glue, the circuit board is electrically connected with the ultrasonic probe through a probe lead, and meanwhile the circuit board is packaged by the sealing glue;
the cover (2) is covered on the large-caliber port (101) and detachably connected with the shell (1), and meanwhile, a threading hole (20) penetrates through the cover (2);
the cable, the one end of cable is located outside casing (1), and the other end is fixed with the interface, just the interface passes through threading hole (20) is connected the circuit board, simultaneously the interface with the junction of circuit board all is through sealed encapsulation.
2. The ultrasonic ranging device with the improved sealing performance as claimed in claim 1, wherein the sound wave receiving hole (13) is horn-shaped, and an aperture of an end of the sound wave receiving hole (13) communicated with the second mounting hole (12) is smaller than an aperture of the small-aperture port (102).
3. The ultrasonic ranging device for improving the sealing performance as claimed in claim 1, wherein an inclined surface (120) is cut on an inner wall of the second mounting hole (12) near one end of the first mounting hole (11), and the inclined surface (120) is gradually inclined from one end far away from the first mounting hole (11) to one end near the first mounting hole (11) to a direction far away from a center line of the second mounting hole (12).
4. The ultrasonic ranging device with improved sealing performance as claimed in claim 1, wherein the probe lead and the cable in the shell (1) are encapsulated by sealing glue.
5. The ultrasonic ranging device with the improved sealing performance as claimed in claim 1, wherein a sealing ring is sleeved and fixed on the outer wall of the cover (2), the outer wall of the cover (2) is in threaded connection with the inner wall of the first mounting hole (11), and the sealing ring seals a gap between the cover (2) and the inner wall of the first mounting hole (11).
6. An ultrasonic ranging device with improved sealing performance according to claim 1, characterized in that the material of the housing (1) is polyvinylidene fluoride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121830468.5U CN215494124U (en) | 2021-08-06 | 2021-08-06 | Ultrasonic ranging device for improving sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121830468.5U CN215494124U (en) | 2021-08-06 | 2021-08-06 | Ultrasonic ranging device for improving sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215494124U true CN215494124U (en) | 2022-01-11 |
Family
ID=79756605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121830468.5U Expired - Fee Related CN215494124U (en) | 2021-08-06 | 2021-08-06 | Ultrasonic ranging device for improving sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215494124U (en) |
-
2021
- 2021-08-06 CN CN202121830468.5U patent/CN215494124U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3502632B1 (en) | Static flow meter | |
| US10718802B2 (en) | MEMS-based atmospheric electric field sensor on the ground | |
| RU2008109486A (en) | METHOD FOR CONSTRUCTING INEXPENSIVE PLASTIC ULTRASONIC FLOW METER | |
| CN105101718B (en) | A kind of cable seal box | |
| TW201525469A (en) | Probe module | |
| CN215494124U (en) | Ultrasonic ranging device for improving sealing performance | |
| CN210533453U (en) | Wireless remote water meter | |
| CN218724549U (en) | Totally-enclosed explosion-proof ultrasonic liquid level meter | |
| CN114466552B (en) | Submerged buoy device and control method thereof | |
| CN210350179U (en) | Flat watertight connector that turns to | |
| CN210894684U (en) | Waterproof device for underwater geological radar | |
| CN102570159A (en) | Connector end cover with water-proof structure | |
| RU19206U1 (en) | CONNECTOR OF A MULTI-WATER DEEP WATER CABLE WITH SMALL CABLES | |
| CN210899921U (en) | Electric attitude sensor probe packaging structure | |
| CN221630843U (en) | Silt height measuring device | |
| CN115435675B (en) | High-efficiency sealed angular displacement sensor capable of preventing liquid from immersing for long time | |
| CN210430886U (en) | Cable conductor verifying attachment with waterproof function | |
| CN211719872U (en) | Watertight joint | |
| CN217360337U (en) | Sensor for measuring metal | |
| CN114614293B (en) | Modular electrode for in-situ detection of deep sea corrosion and watertight plugging system | |
| CN219369017U (en) | Water pressure detection device | |
| CN219161469U (en) | Temperature sensor with waterproof function of circuit | |
| CN220709350U (en) | Housing for an ultrasonic transducer for underwater ranging | |
| CN109313097A (en) | Pressure sensor | |
| CN212111883U (en) | Optical fiber connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |