CN210833762U - Waterproof digital display level sensor - Google Patents
Waterproof digital display level sensor Download PDFInfo
- Publication number
- CN210833762U CN210833762U CN201922035670.8U CN201922035670U CN210833762U CN 210833762 U CN210833762 U CN 210833762U CN 201922035670 U CN201922035670 U CN 201922035670U CN 210833762 U CN210833762 U CN 210833762U
- Authority
- CN
- China
- Prior art keywords
- shell
- digital display
- level sensor
- gasket
- rear cover
- 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
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 19
- 239000004973 liquid crystal related substance Substances 0.000 claims description 10
- 230000004044 response Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 3
- 238000012856 packing Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 ocean Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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- Casings For Electric Apparatus (AREA)
Abstract
The utility model relates to a sensor field provides a waterproof digital display level sensor. The digital display part of the digital display device comprises a shell, a circuit board, a battery installation device and a rear cover, wherein a protruding strip is arranged on the edge of the upper shell of the shell, a transparent panel is arranged in the protruding strip in a sealing manner, a gasket is arranged in the shell of the shell, two through holes used for clamping the rear cover are vertically arranged on the shell surface of the battery installation device, two round rods matched with the hole diameter of the rotary hole are arranged on the protruding plate of the rear cover correspondingly, the round rods are matched with the hole diameter of the rotary hole, a round plate matched with the hole diameter of the connecting hole is arranged at the top of each round rod, the protruding plate of the rear cover is sleeved in the gasket, and a retaining ring for retaining the gasket is arranged at the. The utility model discloses a waterproof digital display level sensor has water-proof effects, opens and shuts easily, and the wiring is convenient, has simplified the flow of dismouting screw, has avoided the screw to rust and inside components and parts to wet to influence measuring result.
Description
Technical Field
The utility model relates to a sensor field provides a waterproof digital display level sensor.
Background
Nowadays, digital display liquid level sensors are widely used for measuring and controlling liquid levels of underground water, ocean, water treatment, sewage plants, power stations, high-rise water towers and the like. The principle that the measured static pressure of the liquid is proportional to the height of the liquid is utilized, the static pressure is converted into an electric signal, and the electric signal is converted into a standard electric signal and then converted into a digital signal through temperature compensation and linear correction.
However, in the process of installing the digital display liquid level sensor, the shell and the rear cover are generally fixed by screws arranged outside the main body part, so that on one hand, when internal wiring is adjusted, the assembly and disassembly are inconvenient; on the other hand, because the screw exposes outside, thereby not only rust easily and influence the dismouting, inside components and parts also wet easily, influence the measuring result.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a waterproof digital display level sensor to solve the not enough that exists in the technical background.
In order to realize the above object, the utility model provides a waterproof digital display level sensor comprises digital display part and response part, and the digital display part passes through the transmission line with the response part and connects, the digital display part constitute its characterized in that by shell, circuit board, battery installation device and back lid: the battery installation device is characterized in that a protruding strip is arranged on the edge of an upper shell of the shell, a transparent panel is arranged in the protruding strip in a sealing manner, a gasket is arranged in a shell of the shell, two through holes used for clamping the rear cover are vertically formed in the shell surface of the battery installation device, the through holes are communicated with a rotary hole in a smooth transition manner through connecting holes, the aperture of each connecting hole is larger than that of the rotary hole, two round rods matched with the rotary hole in aperture are arranged on the protruding plate of the rear cover in a corresponding mode, the round rods are matched with the rotary hole in aperture, circular plates matched with the connecting hole in aperture are arranged at the tops of the round rods, the protruding plate of the rear cover is sleeved in the gasket, and a retaining ring for retaining the gasket is arranged at the.
Preferably, the baffle ring is clamped at the opening of the shell, and the outer radius of the baffle ring is the same as the inner radius of the shell.
Preferably, the gasket is a silica gel gasket.
Preferably, an outer side edge of the circular plate is attached to an outer side edge of the circular rod, and a cross-sectional area of the circular plate is larger than a cross-sectional area of the circular rod.
Preferably, the height of the round bar is the same as the thickness of the shell surface of the battery mounting device.
Preferably, the two through holes are in central symmetry along the axis of the shell surface of the battery mounting device, the angle of the screwing hole is screwed inwards, and the long axis of each through hole forms a certain angle with the transverse axis of the shell surface of the battery mounting device.
Preferably, the circuit board is integrally provided with a liquid crystal display screen, the liquid crystal display screen is nested in the upper shell surface of the shell, and the transparent panel is arranged outside the liquid crystal display screen.
Preferably, the bottom of the housing is provided with an interface for connecting the sensing part.
The utility model has the advantages that:
firstly, water proofing. Because the transparent panel at the front end of the shell is arranged in a sealing way and the baffle ring extrudes the gasket, the waterproof effect can be achieved, and the rear cover is more labor-saving when being opened.
Secondly, the disassembly and the assembly are easy, and the wiring is convenient. Through stretching into the through-hole with the round bar of back lid and plectane, block the back lid behind the rotatory certain angle, avoided installation screw and screw to rust, avoided inside components and parts to wet simultaneously, influence measuring result.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a waterproof digital display liquid level sensor provided by an embodiment of the present invention;
fig. 2 is a schematic view of a housing of a waterproof digital display liquid level sensor provided by an embodiment of the present invention;
fig. 3 is a schematic view of a battery installation device of a waterproof digital display liquid level sensor provided by an embodiment of the present invention;
fig. 4 is a schematic diagram of a rear cover of a waterproof digital display liquid level sensor provided by an embodiment of the present invention;
fig. 5 is a schematic diagram of a circuit board structure of a waterproof digital display liquid level sensor provided by the embodiment of the utility model.
The reference numbers illustrate:
| 1 | |
2 | |
| 3 | Outer casing | 31 | |
| 32 | |
4 | |
| 41 | Liquid |
5 | |
| 51 | Through |
511 | Connecting |
| 512 | |
6 | Back cover |
| 61 | Convex |
62 | Round bar |
| 63 | |
64 | Baffle ring |
| 7 | |
8 | Gasket ring |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The embodiment of the utility model provides an in, refer to fig. 1 to 5, a waterproof digital display level sensor passes through the transmission line by digital display part 1 and response part 2 and connects, utilizes the high proportion of measured liquid static pressure and this liquid, detects static pressure through response part 2 and converts the signal of telecommunication into, through temperature compensation and linear correction again, converts it into the standard signal of telecommunication through digital display part 1 and finally converts digital signal display output into. The digital display part 1 is composed of a shell 3, a circuit board 4, a battery installation device 5 and a rear cover 6.
Further, the edge of the upper shell of the shell 3 is provided with a protruding strip 31, and the transparent panel 7 is sleeved in the protruding strip 31 in a sealing manner so as to prevent water from entering the shell. Be provided with packing ring 8 in the casing of shell 3, packing ring 8 hugs closely in the shell inner wall, the protruding board 61 cover of back lid 6 is established in the packing ring 8, the rear end of protruding board 61 is provided with and blocks the fender ring 64 of packing ring 8, the outer radius of fender ring 64 with the inner radius of shell is the same. Specifically, when the rear cover 6 is screwed into the housing to be tightly covered, the protruding plate 61 and the baffle ring 64 extrude the gasket 8 on the inner wall of the housing to generate slight deformation, and the baffle ring 64 is tightly clamped at the opening of the housing, so that the opening and closing part of the rear cover and the housing is tightly connected to be waterproof. When the rear cover is opened, under the action of force, the baffle ring 64 generates thrust on the rear cover 6, and the rear cover 6 can be opened after being unscrewed to a proper position. In addition, in this embodiment, the gasket 8 may be a silicon rubber material or other rubber material.
Further, referring to fig. 3 and 4, two through holes 51 for clamping the rear cover are vertically arranged on the shell surface of the battery mounting device 5, the through holes 51 are smoothly transitionally communicated with a screw hole 512 through a connecting hole 511, the aperture of the connecting hole 511 is larger than that of the screw hole 512, two round rods 62 matched with the apertures of the screw hole 512 are arranged on a protruding plate 61 of the rear cover 6 corresponding to the screw hole 512, a round plate 63 matched with the aperture of the connecting hole 511 is arranged on the top of the round rods 62,
further, the two through holes 51 are centrosymmetric along the axis of the shell surface of the battery mounting device 5, the angle of the screwing hole 512 is inwards screwed, and the long axis of the through hole 51 forms a certain angle with the transverse axis of the shell surface of the battery mounting device 5. An outer side edge of the circular plate 63 is attached to an outer side edge of the circular rod 62, and the cross-sectional area of the circular plate 63 is larger than the cross-sectional area of the circular rod 62. The height of the round bar 62 is the same as the thickness of the shell surface of the battery mounting device 5. Specifically, when the rear cover 6 is closed, the circular plate 63 is fitted into the two coupling holes corresponding to the circular rod 62, and the circular rod moves from the coupling hole 511 to the screw hole 512 in the through hole 51 by rotating a certain angle, and the circular plate 63 is engaged with the bottom of the screw hole 512 to fix the rear case 6 to the panel of the battery mounting device 5 inside.
Further, referring to fig. 1 and 2, the circuit board 4 is integrally provided with a liquid crystal display 41 to convert a standard electrical signal into a digital signal and output the digital signal to the display panel, the liquid crystal display 41 is embedded in the upper surface of the housing 3, and the transparent panel 7 is hermetically arranged outside the liquid crystal display 41, so that on one hand, the waterproof and dustproof effects are achieved, and on the other hand, the display screen can be protected from being scratched. In addition, the bottom of the housing 3 is provided with an interface 32 for sealing connection with the sensing part.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (8)
1. The utility model provides a waterproof digital display level sensor, passes through the transmission line by digital display part and response part and connects, the digital display part constitute its characterized in that by shell, circuit board, battery installation device and back lid: the battery installation device is characterized in that a protruding strip is arranged on the edge of an upper shell of the shell, a transparent panel is arranged in the protruding strip in a sealing manner, a gasket is arranged in a shell of the shell, two through holes used for clamping the rear cover are vertically formed in the shell surface of the battery installation device, the through holes are communicated with a rotary hole in a smooth transition manner through connecting holes, the aperture of each connecting hole is larger than that of the rotary hole, two round rods matched with the rotary hole in aperture are arranged on the protruding plate of the rear cover in a corresponding mode, the round rods are matched with the rotary hole in aperture, circular plates matched with the connecting hole in aperture are arranged at the tops of the round rods, the protruding plate of the rear cover is sleeved in the gasket, and a retaining ring for retaining the gasket is arranged at the.
2. The waterproof digital display liquid level sensor according to claim 1, characterized in that: the baffle ring is clamped at the opening of the shell, and the outer radius of the baffle ring is the same as the inner radius of the shell.
3. The waterproof digital display liquid level sensor according to claim 1, characterized in that: the gasket is a silica gel gasket.
4. The waterproof digital display liquid level sensor according to claim 1, characterized in that: an outer side edge of the circular plate is attached to an outer side edge of the circular rod, and a cross-sectional area of the circular plate is larger than a cross-sectional area of the circular rod.
5. The waterproof digital display liquid level sensor according to claim 1, characterized in that: the height of the round rod is the same as the thickness of the shell surface of the battery mounting device.
6. The waterproof digital display liquid level sensor according to claim 1, characterized in that: the two through holes are centrosymmetric along the axis of the shell surface of the battery installation device, the angle of the rotary hole is inwards rotated, and the long axis of each through hole forms a certain angle with the transverse axis of the shell surface of the battery installation device.
7. The waterproof digital display liquid level sensor according to claim 1, characterized in that: the circuit board is integrally provided with a liquid crystal display screen, the liquid crystal display screen is embedded in the surface of the upper shell of the shell, and the transparent panel is arranged outside the liquid crystal display screen.
8. The waterproof digital display liquid level sensor according to claim 1, characterized in that: and the bottom of the shell is provided with an interface for connecting the induction part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922035670.8U CN210833762U (en) | 2019-11-22 | 2019-11-22 | Waterproof digital display level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922035670.8U CN210833762U (en) | 2019-11-22 | 2019-11-22 | Waterproof digital display level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210833762U true CN210833762U (en) | 2020-06-23 |
Family
ID=71281337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922035670.8U Expired - Fee Related CN210833762U (en) | 2019-11-22 | 2019-11-22 | Waterproof digital display level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210833762U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780662A (en) * | 2020-07-15 | 2020-10-16 | 北京科技大学 | Magnetic-sensitive waterproof angle sensor |
| CN111895904A (en) * | 2020-07-15 | 2020-11-06 | 北京科技大学 | Angle sensor with waterproof function |
-
2019
- 2019-11-22 CN CN201922035670.8U patent/CN210833762U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780662A (en) * | 2020-07-15 | 2020-10-16 | 北京科技大学 | Magnetic-sensitive waterproof angle sensor |
| CN111895904A (en) * | 2020-07-15 | 2020-11-06 | 北京科技大学 | Angle sensor with waterproof function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 |