CN217716570U - Radar water level gauge - Google Patents
Radar water level gauge Download PDFInfo
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- CN217716570U CN217716570U CN202221856177.8U CN202221856177U CN217716570U CN 217716570 U CN217716570 U CN 217716570U CN 202221856177 U CN202221856177 U CN 202221856177U CN 217716570 U CN217716570 U CN 217716570U
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Abstract
The utility model relates to a radar water level gauge, a radar component is arranged in a shell, an aviation plug male plug is also arranged on the shell, and the male plug consists of a male plug shell and a male plug pin plate; the male plug shell comprises an installation sleeve, the lower end of the installation sleeve is inserted into the shell, the middle part of the installation sleeve is fixedly connected with an installation plate, the installation plate is fixedly connected with a shell panel bolt, and the upper part of the installation sleeve is provided with external threads; the male plug pin plate is arranged in the mounting sleeve, and a male plug sealing ring is arranged between the periphery of the male plug pin plate and the mounting sleeve; the radar component also comprises a bottom cover, wherein the bottom cover comprises a lower connecting plate, a cylinder body and an upper connecting plate; the horn antenna is arranged in the cylinder body, and the radar sensor board and the main circuit board are arranged on the upper connecting board; the lower connecting plate is fixedly connected with the opening of the shell; the shell is filled with epoxy resin glue, the epoxy resin glue is filled to the lower surface of the male plug pin plate, and the epoxy resin glue is filled to the upper surface of the bottom cover.
Description
Technical Field
The utility model belongs to a water level measuring equipment specifically is a radar fluviograph.
Background
The radar water level gauge is a device for realizing water level measurement by adopting a radar technology, transmits high-frequency radar waves to the water surface, receives reflected waves of the water surface, measures the distance to the water surface, is not in contact with the water surface in measurement, has the characteristic of complete non-contact, and is not influenced by factors such as temperature gradient, water flow velocity, pollutants in water, sediments and the like. The method can be widely applied to the fields of river water level monitoring, open channel water level monitoring, reservoir dam water level monitoring, inspection well water level monitoring, urban water supply, sewage treatment, agricultural irrigation, flood control early warning and the like.
The radar level gauge generally comprises a shell, an antenna, a sensor and other components, and the existing radar level gauge has the following defects: (1) The sealing of the radar water level gauge mainly adopts the sealing mode of the O-shaped ring and the sealing rubber gasket, the IP68 waterproof protection level is hardly reached simultaneously, the requirement that corrosive gas invades the radar water level gauge is blocked, the service life of the radar water level gauge is short, the maintenance cost is increased, and the practicability is reduced. (2) The overall dimension of the existing radar water level gauge is generally large, and the existing radar water level gauge cannot be installed or is difficult to install in certain special working conditions or environments with small installation space. (3) The horn antenna of the radar level gauge is connected with the sensor through the screws, and the connection structure is easy to cause the problem that the screws are loosened or fall off in long-term use, so that the radar level gauge cannot be correctly measured or cannot be used completely. (4) The wiring end of the radar water level gauge mainly adopts a common aviation plug, and the use requirement of outdoor or severe environment cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problems, thereby providing a radar water level gauge that the leakproofness is good.
The utility model provides a problem, the technical scheme of adoption is:
a radar water level gauge comprises a shell, wherein an opening is formed in one end of the shell; the radar component is arranged in the shell and comprises a radar sensor plate, a main circuit board and a horn antenna, the horn antenna of the radar component faces to the opening of the shell, the radar component is connected with an external cable through an aviation plug, a male plug of the aviation plug is installed on one side, away from the opening, of the shell, and the male plug consists of a male plug shell and a male plug pin plate; the male plug shell comprises an installation sleeve, the lower end of the installation sleeve is inserted into the shell, the middle part of the installation sleeve is fixedly connected with an installation plate, the installation plate is fixedly connected with a shell panel bolt, and the upper part of the installation sleeve is provided with external threads; the male plug pin plate is arranged in the mounting sleeve, and a male plug sealing ring is arranged between the periphery of the male plug pin plate and the mounting sleeve; the radar component also comprises a bottom cover, and the bottom cover comprises a lower connecting plate, a cylinder and an upper connecting plate; the horn antenna is arranged in the cylinder body, and the radar sensor board and the main circuit board are arranged on the upper connecting board; the lower connecting plate is fixedly connected with the opening of the shell; epoxy resin glue is poured into the shell, the epoxy resin glue is filled to the lower surface of the male plug pin plate, and the epoxy resin glue is filled between the bottom cover and the shell.
Compared with the prior art, the invention adopting the technical scheme has the beneficial effects that:
the utility model discloses aviation plug adopts multiple sealed waterproof structural design, can effectively protect its inside electronic components to receive into water and corrode and destroy, realizes that IP68 is waterproof, and the degree of integrating simultaneously is higher, has improved the security, reduces cost of maintenance by a wide margin. The utility model discloses the inside whole inside encapsulating structure that adopts of shell, very big improvement sealed effect, avoided corrosive gas to the inside corruption of radar level gauge, the phenomenon that the screw is not hard up or drop can not appear yet, has prolonged radar level gauge's life.
Preferably, the present invention further provides:
the aviation plug female plug consists of a female plug shell, a female plug pin plate and a honeycomb sealing ring; the honeycomb sealing block is provided with through holes which are in one-to-one correspondence with the contact pins on the female plug contact pin plate, and the honeycomb sealing block is sleeved on the contact pins of the female plug contact pin plate; the female plug pin plate and the honeycomb sealing block are arranged in the female plug shell, and the honeycomb sealing ring is in interference fit with the female plug shell; the lower end of the female plug shell is inserted into the male plug sleeve, and a female plug sealing ring is arranged between the female plug shell and the sleeve; the female plug is also provided with a threaded connection cylinder outside, and the threaded connection cylinder is fixedly connected with the external thread of the male plug sleeve. The aviation plug male and female head with the structure is connected with a multi-seal reinforcing structure, firm in connection and good in waterproofness.
The hardness of the epoxy resin adhesive after solidification is between 60D and 80D in Shore hardness, and the light transmittance is between 50 percent and 80 percent. The filling of the epoxy resin glue does not affect radar signals, and internal elements can be protected.
The two sides of the lower connecting plate of the bottom cover are provided with filling openings, and the surface of the lower connecting plate is bonded with a bottom sealing adhesive film. The structure is convenient for glue filling and has beautiful appearance.
The shell is also provided with a universal level gauge, so that the levelness of the equipment can be conveniently adjusted.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
fig. 2 is an exploded view of the radar module of the present invention;
fig. 3 is a schematic diagram of a board-level assembly structure of the bottom cover and the radar sensor of the present invention;
fig. 4 is an exploded view of the aviation plug male plug structure of the present invention;
fig. 5 is a schematic view of the structure of the aviation plug male plug of the present invention;
fig. 6 is an exploded view of the aviation plug female plug of the present invention;
FIG. 7 is a schematic view of the overall assembly structure of the present invention;
fig. 8 is a schematic view of the filling range of the epoxy resin adhesive of the present invention.
In the figure: 1. a female plug; 11. a female plug housing; 12. a female plug pin plate; 13. a honeycomb seal block; 14. a female plug seal ring; 15. a threaded connection barrel; 2. a male plug; 21. a male plug housing; 21-1, external threads; 21-2, a mounting plate, 21-3 and the lower end of the mounting sleeve; 22. a male plug pin plate; 23. a male plug seal ring; 3. a universal level; 4. a housing; 51. a main circuit board; 52. a radar sensor board; 53. a radar seal ring; 54. a horn antenna; 55. a bottom cover; 55-1, an upper connecting plate, 55-2 and a cylinder body; 55-3, a lower connecting plate; 6. epoxy resin glue.
Detailed Description
The invention will be further described with reference to the following examples, which are intended only for a better understanding of the invention, and therefore, the examples do not limit the scope of the invention.
Referring to fig. 1 to 8, the utility model provides a radar water level gauge, including shell 4, 4 one ends of shell are provided with the opening, install the radar subassembly in the shell 4. The utility model discloses radar subassembly and outside cable are connected and are adopted the aviation plug, specifically are keeping away from open-ended one end and set up aviation plug series subassembly.
The radar assembly includes a radar sensor board 52, a main circuit board 51, a radar seal ring 53, a horn antenna 54, and a bottom cover 55. The utility model discloses well bottom structure is: the bottom cover 55 comprises a lower connecting plate 55-3, a cylinder body 55-2 and an upper connecting plate 55-1, the radar sensor plate 52, the main circuit board 51 and the horn antenna 54 are assembled on the bottom cover 55 and then integrally installed into the shell 4, a positioning rib and an installation groove are arranged in an opening of the shell 4, the radar assembly is positioned through the positioning rib when being installed, the installation position in the shell 4 is ensured, and the bottom cover 55 is fastened with the installation groove through screws to ensure firmness.
The horn antenna 54 is installed in the cylinder 55-2, a horn mouth of the horn antenna 54 faces one side of the opening of the shell 4, the lower connecting plate 55-3 of the bottom cover 55 is fixedly connected with the opening of the shell 4, the horn antenna 54 is made of aluminum alloy, and the horn antenna is clamped inside the bottom cover 55 through a straight surface at one end with a large diameter, so that a good contact surface is ensured. The upper surface of the upper connecting plate 55-1 is provided with a sealing ring groove, an O-shaped radar sealing ring 53 is arranged in the sealing ring groove, the radar sensor plate 52 is arranged on the upper connecting plate 55-1 through screws, and the upper connecting plate 55-1 and the radar sensor plate 52 are mutually compressed and sealed, so that the air tightness and the waterproof performance of the connecting position of the radar sensor plate 52 and the bottom cover 55 are ensured. The main circuit board 51 is connected to the soldering copper posts on the radar sensor board 52 by screws.
The main circuit board 51 used a model STM32L476 chip and the radar sensor board 52 used a model 1WR6843AOP sensor.
Aviation plug includes male plug 2 and female plug 1, the utility model discloses male plug 2 is in the same place with the assembly of shell 4. The male plug 2 consists of a male plug outer shell 21 and a male plug pin plate 22, the male plug outer shell 21 comprises an installation sleeve, the lower end 21-3 of the installation sleeve is inserted into the outer shell 4, the middle part of the installation sleeve is fixedly connected with an installation plate 21-2, the installation plate 21-2 is fixedly connected with a panel bolt of the outer shell 4, and the upper part of the installation sleeve is provided with an external thread 21-1; the male plug pin plate 22 is arranged in the mounting sleeve, and a male plug sealing ring 23 is arranged between the periphery of the male plug pin plate 22 and the mounting sleeve. The male plug sealing ring 23 is an O-shaped rubber ring, and ensures the inside and outside isolation and sealing of the male plug pin plate 22.
Female plug 1 of aviation plug comprises female plug shell 11, female plug needle plate 12 and honeycomb seal 13, installation female plug needle plate 12 in the female plug shell 11, female plug needle plate 12 outside installation honeycomb seal block 13, be equipped with the through-hole with the contact pin one-to-one on the female plug needle plate 12 on this honeycomb seal block 13, honeycomb seal block 13 suit is on the contact pin of female plug needle plate 12, honeycomb seal block 13 and female plug shell 11 interference fit, honeycomb seal block 13 is the rubber or silica gel material, can hold the female plug contact pin tightly, can fully block up 4 circumference of female plug shell again, guarantee not to the interior infiltration of female plug.
The outer end of the female plug pin extending out of the honeycomb sealing block 13 is inserted into the male plug pin plate 22.
The lower end of the female plug shell 11 is inserted into a sleeve of a male plug, the female plug pin plate 12 is inserted into the male plug pin plate 22, a female plug sealing ring 14 and a threaded connection cylinder 15 are arranged at the lower end of the female plug shell 11, the female plug sealing ring 14 is located between the female plug shell 11 and the male plug sleeve, and the threaded connection cylinder 15 is fixedly connected with an external thread 21-1 of the sleeve. The threaded connection barrel 15 and the female plug sealing ring 14 can improve the waterproof grade and the sealing performance of the connection position of the female plug 1 and the male plug 2.
The utility model discloses an improve radar level gauge's internal tightness, bottom 55 is equipped with the opening, after public plug 2 and radar subassembly and shell 4 assembly are fixed, from the opening of bottom 55 to pouring epoxy glue 6 to inside, as shown in fig. 8, fill to public plug contact pin board 22 lower surface on epoxy glue 6, fill down to between bottom 55 and the shell 4. The epoxy glue 3 integrates the radar assembly, the housing 4 and the male plug. The utility model discloses a whole encapsulating, very big improvement sealed effect, avoided corrosive gas to the inside corruption of radar level gauge, the phenomenon that the screw is not hard up or drops can not appear yet, has prolonged radar level gauge's life.
The bottom of the shell 4 (also the bottom of the bottom cover) is bonded with the bottom sealing adhesive film, so that the glue filling port can be sealed, and the decoration effect is achieved, so that the whole appearance is attractive and elegant, and the identification degree is high.
The universal level meter 3 is bonded in a hole corresponding to one end, away from the opening, of the shell 4, has a visual effect, and can conveniently view the vertical direction and the angle of the radar water level meter.
The one end that open-ended was kept away from to shell 4 still is provided with two mounting holes, and the radar fluviograph of being convenient for is connected with the mount of isostructure and direction, has improved the practicality.
Compared with the prior art, the utility model has the advantages that:
(1) The utility model discloses a multiple sealing waterproof structural design can effectively protect its inside electronic components to receive into water and corrode and destroy, realizes that IP68 is waterproof, and the degree of integrating simultaneously is higher, has improved the security, reduces cost of maintenance by a wide margin.
(2) The utility model discloses a whole inside encapsulating is handled, very big improvement sealed effect, avoided corrosive gas to the inside corruption of radar level gauge, the phenomenon that the screw is not hard up or drop can not appear yet, has prolonged radar level gauge's life.
(3) The utility model discloses the shell adopts the sun-proof engineering plastics material of ABS, and corrosion resistance is strong, light and easily production.
(4) The utility model discloses horn antenna adopts light aluminum alloy material, and is lighter than other materials, low in production cost.
(5) The utility model discloses an aviation plug structure for radar level gauge and outside cable protection provide biggest safety guarantee and protection, accomplish dampproofing and waterproofing.
(6) The utility model discloses a compact double-deck circuit board structure, radar sensor board and main circuit board pass through the welding copper post to be fixed together, and the welding patchcord is connected, and whole size is less, compact structure for whole radar fluviograph overall dimension is more small and exquisite, has reduced manufacturing cost, has brought very big facility for the narrow and small occasion of installation space.
(7) The utility model discloses an universal spirit level has visual effect, can conveniently look over the vertical direction of radar fluviograph, angle of adjustment and direction when being convenient for install.
(8) The utility model discloses main circuit board adopts model STM32L476 chip, and the radar sensor board adopts model 1WR6843AOP sensor, and based on 60GHz millimeter radar wave as carrier signal, the beam angle is little, and the energy is concentrated, and built-in false echo mode is favorable to keeping away the interferent, guarantees to gather the accuracy. The intelligent measurement mode reduces the distance of the radar blind area, and the application range is greatly expanded.
(9) The utility model discloses but wide application in fields such as river water level monitoring, open channel water level monitoring, reservoir dam water level monitoring, inspection shaft water level monitoring, urban water supply, sewage treatment, agricultural irrigation, flood control early warning.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent variations made by using the contents of the specification and the drawings are included in the scope of the present invention.
Claims (5)
1. A radar water level gauge comprises a shell, wherein an opening is formed in one end of the shell; a radar component is arranged in the shell and comprises a radar sensor plate, a main circuit board and a horn antenna, the horn antenna of the radar component faces to the opening of the shell, the radar component is connected with an external cable through an aviation plug,
the method is characterized in that: the male plug of the aviation plug is arranged on one side of the shell, which is far away from the opening, and consists of a male plug shell and a male plug pin plate; the male plug shell comprises an installation sleeve, the lower end of the installation sleeve is inserted into the shell, the middle part of the installation sleeve is fixedly connected with an installation plate, the installation plate is fixedly connected with a shell panel bolt, and the upper part of the installation sleeve is provided with external threads; the male plug pin plate is arranged in the mounting sleeve, and a male plug sealing ring is arranged between the periphery of the male plug pin plate and the mounting sleeve;
the radar component also comprises a bottom cover, and the bottom cover comprises a lower connecting plate, a cylinder and an upper connecting plate; the horn antenna is arranged in the cylinder, and the radar sensor plate and the main circuit board are arranged on the upper connecting plate; the lower connecting plate is fixedly connected with the opening of the shell;
epoxy resin glue is poured into the shell, the epoxy resin glue is filled to the lower surface of the male plug pin plate, and the epoxy resin glue is filled between the bottom cover and the shell.
2. The radar level gauge according to claim 1, wherein: the aviation plug female plug consists of a female plug shell, a female plug pin plate and a honeycomb sealing ring; the honeycomb sealing block is provided with through holes which are in one-to-one correspondence with the contact pins on the female plug contact pin plate, and the honeycomb sealing block is sleeved on the contact pins of the female plug contact pin plate; the female plug pin plate and the honeycomb sealing block are arranged in the female plug shell, and the honeycomb sealing ring is in interference fit with the female plug shell; the lower end of the female plug shell is inserted into the male plug sleeve, and a female plug sealing ring is arranged between the female plug shell and the sleeve; the female plug is also provided with a threaded connection cylinder outside, and the threaded connection cylinder is fixedly connected with the external thread of the male plug sleeve.
3. The radar level gauge according to claim 1, wherein: the hardness of the epoxy resin adhesive after solidification is between 60D and 80D in Shore hardness, and the light transmittance is between 50 percent and 80 percent.
4. The radar level gauge according to claim 1, wherein: the two sides of the lower connecting plate of the bottom cover are provided with filling openings, and the surface of the lower connecting plate is bonded with a bottom sealing adhesive film.
5. The radar level gauge according to claim 1, wherein: the shell is also provided with a universal level gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221856177.8U CN217716570U (en) | 2022-07-19 | 2022-07-19 | Radar water level gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221856177.8U CN217716570U (en) | 2022-07-19 | 2022-07-19 | Radar water level gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217716570U true CN217716570U (en) | 2022-11-01 |
Family
ID=83778617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221856177.8U Active CN217716570U (en) | 2022-07-19 | 2022-07-19 | Radar water level gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217716570U (en) |
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2022
- 2022-07-19 CN CN202221856177.8U patent/CN217716570U/en active Active
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