CN217465909U - Plain type level sensor - Google Patents
Plain type level sensor Download PDFInfo
- Publication number
- CN217465909U CN217465909U CN202221056194.3U CN202221056194U CN217465909U CN 217465909 U CN217465909 U CN 217465909U CN 202221056194 U CN202221056194 U CN 202221056194U CN 217465909 U CN217465909 U CN 217465909U
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- China
- Prior art keywords
- circuit board
- shell
- pipe body
- fixed
- pressure 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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- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005476 soldering Methods 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model provides a plain type level sensor, its simple structure, the equipment of being convenient for, with low costs to install and be difficult for droing when being surveyed the box bottom, its characterized in that: the device comprises a shell, wherein an accommodating cavity is formed in the bottom of the shell, a pipe body is fixed at the top of the shell, and a through hole of the pipe body is communicated with the accommodating cavity; the liquid level sensor further comprises a pressure sensor, one end, provided with a pressure port, of the pressure sensor is inserted into the through hole of the pipe body from the side of the accommodating cavity, the other end of the pressure sensor is fixed to the top surface of the circuit board, the circuit board is fixed to the bottom of the shell, and a connector clip is fixed to the bottom surface of the circuit board.
Description
Technical Field
The utility model relates to a level sensor technical field that is relevant, concretely relates to plain type level sensor.
Background
The existing liquid level sensor has a complex structure, causes the problems of high cost and difficult assembly, and also has the problem of easy falling off in the use process when the liquid level sensor is arranged at the bottom of a tested box body. Therefore, there is a need to design a new liquid level sensor to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above mentioned problems, the present invention provides a simplified liquid level sensor, which has a simple structure, is easy to assemble, has a low cost, and is not easy to fall off when being installed at the bottom of a tested box.
The technical scheme is as follows:
the utility model provides a plain type level sensor which characterized in that: the device comprises a shell, wherein an accommodating cavity is formed in the bottom of the shell, a pipe body is fixed at the top of the shell, and a through hole of the pipe body is communicated with the accommodating cavity; the liquid level sensor further comprises a pressure sensor, one end, provided with a pressure port, of the pressure sensor is inserted into the through hole of the pipe body from the side of the accommodating cavity, the other end of the pressure sensor is fixed to the top surface of the circuit board, the circuit board is fixed to the bottom of the shell, and a connector clip is fixed to the bottom surface of the circuit board.
Further, a circle of groove is formed in the outer surface of the pipe body.
Further, the shell and the pipe body are designed in an integrated mode.
Furthermore, a sealing ring is arranged between the pressure sensor and the through hole of the pipe body.
Further, be provided with first mount pad on the top surface of circuit board, first mount pad is used for connecting pressure sensor, be provided with the second mount pad on the bottom surface of circuit board, the second mount pad is used for connecting the plug connector, be provided with the fixed hole site on four corners of circuit board, the circuit board cooperatees through fixed hole site and mounting and is fixed in the casing bottom.
The utility model has the advantages that:
1. the utility model forms a liquid level sensor by the shell, the tube body, the pressure sensor, the circuit board and the plug connector, and has simple structure, convenient assembly and reduced cost; the utility model discloses in inserting the body into the box from the bottom half when using, the internal pressure sensor of body detects the interior liquid pressure of box, converts pressure signal into digital signal output to circuit board, and circuit board rethread plug connector is exported to external terminal equipment, has realized the liquid level detection function.
2. The utility model is provided with a circle of groove on the outer surface of the pipe body, and the pipe body can be fixed with the connecting piece in the box body subsequently, so that the utility model is not easy to fall off when being installed at the bottom of the tested box body; the utility model discloses a be provided with the sealing washer between the through-hole of pressure sensor and body, ensured the gas tightness.
Drawings
Fig. 1 is a schematic left-view and front-view of the present invention;
fig. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a schematic view of the housing and the tube body of the present invention;
FIG. 5 is a schematic diagram of the pressure sensor, the circuit board and the connector of the present invention;
fig. 6 is a schematic diagram of the circuit board of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.
Referring to fig. 1-2, a simplified liquid level sensor is disclosed, which includes: the pipe comprises a shell 1, wherein the bottom of the shell 1 is provided with an accommodating cavity 1-3, the top of the shell 1 is fixed with a pipe body 1-2, and a through hole 1-1 of the pipe body 1-2 is communicated with the accommodating cavity 1-3. The housing 1 and the tubular body 1-2 may be designed in one piece.
The liquid level sensor further comprises a pressure sensor 3, one end of the pressure sensor 3, which is provided with a pressure port 3-1, is inserted into the through hole 1-1 of the pipe body 1-2 from the side of the accommodating cavity 1-3, and the pressure sensor 3, the accommodating cavity 1-3 and the pipe body 1-2 are fixedly connected through soldering tin. The other end of the pressure sensor 3 is fixed on the top surface of the circuit board 2, the circuit board 2 is fixed on the bottom of the shell 1, and the bottom surface of the circuit board 2 is fixed with a plug connector 5. Specifically, the top surface of the circuit board 2 is provided with a first mounting seat 2-1, the first mounting seat 2-1 is used for being connected with a pressure sensor 3 and forming fixed connection through soldering tin, the bottom surface of the circuit board 2 is provided with a second mounting seat 2-2, the second mounting seat 2-2 is used for fixing a plug connector 5 and also forming fixed connection through soldering tin, four corners of the circuit board 2 are provided with fixing hole sites 2-3, and the circuit board 2 is fixed at the bottom of the shell 1 through the matching of the fixing hole sites 2-3 and a fixing piece 6. The pressure sensor 3 and the circuit board 2 effectively ensure the stable work of the sensor through a simple peripheral circuit.
The fixing is performed by soldering, but not limited to soldering.
The outer surface of the pipe body 1-2 is provided with a circle of grooves 1-5, and the pipe body can be fixed with a connecting piece in the box body subsequently, so that the utility model is not easy to fall off when being installed at the bottom of the tested box body.
And a sealing ring 4 is arranged between the pressure sensor 3 and the through hole 1-1 of the pipe body 1-2, so that the air tightness is ensured. The sealing ring 4 may be an O-ring.
The utility model discloses a theory of operation: when the liquid level detection device is used, the pipe body 1-2 is inserted into the box body from the bottom of the box body, the pressure sensor 3 in the pipe body 1-2 detects the liquid pressure in the box body through the through hole 1-1, the pressure signal is converted into a digital signal and output to the circuit board 2, and the circuit board 2 is output to external terminal equipment through the plug connector 5, so that the liquid level detection function is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a plain type level sensor which characterized in that: the device comprises a shell, wherein an accommodating cavity is formed in the bottom of the shell, a pipe body is fixed at the top of the shell, and a through hole of the pipe body is communicated with the accommodating cavity; the liquid level sensor further comprises a pressure sensor, one end, provided with a pressure port, of the pressure sensor is inserted into the through hole of the pipe body from the side of the accommodating cavity, the other end of the pressure sensor is fixed to the top surface of the circuit board, the circuit board is fixed to the bottom of the shell, and a connector clip is fixed to the bottom surface of the circuit board.
2. A simplified liquid level sensor according to claim 1, characterised in that: the outer surface of the pipe body is provided with a circle of grooves.
3. A simplified liquid level sensor according to claim 1, characterised in that: the shell and the pipe body are designed in an integrated mode.
4. A simplified liquid level sensor according to claim 1, characterised in that: and a sealing ring is arranged between the pressure sensor and the through hole of the pipe body.
5. A simplified liquid level sensor according to claim 1, characterised in that: the improved pressure sensor is characterized in that a first mounting seat is arranged on the top surface of the circuit board and used for connecting a pressure sensor, a second mounting seat is arranged on the bottom surface of the circuit board and used for connecting plug connectors, fixing hole sites are arranged on four corners of the circuit board, and the circuit board is fixed to the bottom of the shell through the matching of the fixing hole sites and fixing pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221056194.3U CN217465909U (en) | 2022-05-06 | 2022-05-06 | Plain type level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221056194.3U CN217465909U (en) | 2022-05-06 | 2022-05-06 | Plain type level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217465909U true CN217465909U (en) | 2022-09-20 |
Family
ID=83273519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221056194.3U Active CN217465909U (en) | 2022-05-06 | 2022-05-06 | Plain type level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217465909U (en) |
-
2022
- 2022-05-06 CN CN202221056194.3U patent/CN217465909U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 100-17 Dicui Road, Liyuan Development Zone, Wuxi City, Jiangsu Province, 214000 Patentee after: WUXI SENCOCH SEMICONDUCTOR Co.,Ltd. Address before: 214000 north side of 3 / F podium, building A10, No. 777, Jianshe West Road, Binhu District, Wuxi City, Jiangsu Province Patentee before: WUXI SENCOCH SEMICONDUCTOR Co.,Ltd. |