CN215338509U - Magnetic induction type liquid level sensor device - Google Patents
Magnetic induction type liquid level sensor device Download PDFInfo
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- CN215338509U CN215338509U CN202121586089.6U CN202121586089U CN215338509U CN 215338509 U CN215338509 U CN 215338509U CN 202121586089 U CN202121586089 U CN 202121586089U CN 215338509 U CN215338509 U CN 215338509U
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- liquid level
- buoyancy support
- level sensor
- limiting block
- floating ball
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Abstract
The embodiment of the utility model provides a magnetic induction type liquid level sensor device which comprises a buoyancy support, a floating ball, an induction unit and a plug. The buoyancy support is provided with a top end and a bottom end which are oppositely arranged, the buoyancy support is of a hollow structure, and a first limiting block is arranged at the bottom end of the buoyancy support; the floating ball is provided with a through hole penetrating through the thickness of the floating ball, and the floating ball is connected with the buoyancy support through the through hole; the sensing unit is arranged inside the buoyancy support and comprises at least one magnetic reed switch and a lead, the magnetic reed switch is electrically connected with the lead, and the lead extends out of the top end of the buoyancy support; the plug is arranged at the top end of the buoyancy support, and the conducting wire is fixed at the top end of the buoyancy support through the plug. The liquid level sensor provided by the embodiment of the utility model can reduce the cost.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a magnetic induction type liquid level sensor device.
Background
A level sensor is a pressure sensor that measures the level of a liquid. Among the prior art, level sensor's functionality is single, and a type level sensor can only detect a liquid level signal, and when some equipment need detect a plurality of liquid level signals simultaneously, then need a plurality of level sensor, and the cost is higher.
Therefore, a new magnetic induction type liquid level sensor device is needed.
Disclosure of Invention
The embodiment of the utility model provides a magnetic induction type liquid level sensor device, aiming at reducing the cost.
The embodiment of the utility model provides a magnetic induction type liquid level sensor device which comprises a buoyancy support, a floating ball, an induction unit and a plug. The buoyancy support is provided with a top end and a bottom end which are oppositely arranged, the buoyancy support is of a hollow structure, and a first limiting block is arranged at the bottom end of the buoyancy support; the floating ball is provided with a through hole penetrating through the thickness of the floating ball, and the floating ball is connected with the buoyancy support through the through hole; the sensing unit is arranged inside the buoyancy support and comprises at least one magnetic reed switch and a lead, the magnetic reed switch is electrically connected with the lead, and the lead extends out of the top end of the buoyancy support; the plug is arranged at the top end of the buoyancy support, and the conducting wire is fixed at the top end of the buoyancy support through the plug.
According to an aspect of the embodiment of the present invention, a flange is further disposed on the buoyancy support, and the flange is disposed at an end of the buoyancy support close to the plug.
According to an aspect of the embodiment of the present invention, the number of the reed switches is three, and the three reed switches are arranged at intervals in the buoyancy bracket along the length direction of the buoyancy bracket.
According to an aspect of the embodiment of the present invention, the buoyancy support further includes a second limiting block, and the second limiting block is disposed between the top end and the bottom end of the buoyancy support.
According to an aspect of the embodiment of the present invention, the floating ball is disposed between the first limiting block and the second limiting block; the number of the magnetic reed switches is one, and the magnetic reed switches are arranged on the buoyancy support between the first limiting block and the second limiting block and are close to the second limiting block.
According to an aspect of the embodiment of the utility model, the floating ball is disposed between the second limiting block and the plug; the number of the magnetic reed switches is one, and the magnetic reed switches are arranged on the buoyancy support between the second limiting block and the plug and are close to the second limiting block.
According to an aspect of the embodiment of the present invention, the floating ball is disposed between the first limiting block and the second limiting block; the number of the magnetic reed switches is two, and the magnetic reed switches are arranged on the buoyancy support between the first limiting block and the second limiting block and are respectively close to the first limiting block and the second limiting block.
According to the magnetic induction type liquid level sensor device, the induction unit comprises at least one magnetic reed switch, and when the induction unit comprises a plurality of magnetic reed switches, the induction unit can detect a plurality of liquid level signals, so that the liquid level sensor has the function of detecting various liquid level signals. Therefore, the requirement that the equipment detects various liquid level signals can be met only by one sensor, and cost reduction is facilitated.
Drawings
Features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings. In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
FIG. 1 is a schematic structural diagram of a liquid level sensor apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another fluid level sensor apparatus provided in accordance with an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of another fluid level sensor apparatus provided in accordance with an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another liquid level sensor apparatus provided in the embodiment of the present invention.
Description of reference numerals:
10. the buoyancy support 11, the first limit block 12, the second limit block 20, the floating ball 30, the sensing unit 31, the magnetic reed switch 32, the conducting wire 40, the plug 50 and the flange plate.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order to avoid unnecessarily obscuring the present invention; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated for convenience in describing the utility model and to simplify description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The directional terms appearing in the following description are intended to be illustrative in all directions, and are not intended to limit the specific construction of embodiments of the present invention. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as either a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
Fig. 1 is a schematic structural diagram of a liquid level sensor device according to an embodiment of the present invention.
As shown in fig. 1, a magnetic induction type liquid level sensor apparatus provided by an embodiment of the present invention includes a buoyant bracket 10, a floating ball 20, an induction unit 30, and a plug 40.
The buoyancy support 10 is provided with a top end and a bottom end which are oppositely arranged, and the buoyancy support 10 is of a hollow structure; the floating ball 20 is provided with a through hole penetrating through the thickness of the floating ball, the floating ball 20 is connected with the buoyancy support 10 through the through hole, the bottom end of the buoyancy support 10 is provided with a first limiting block 11, and the first limiting block 11 limits the position of the floating ball 20 and blocks and seals the buoyancy support 10; the sensing unit 30 is arranged inside the buoyant bracket 10, the sensing unit 30 comprises at least one magnetic reed switch 31 and a lead 32, the magnetic reed switch 31 is electrically connected with the lead 32, and the lead 32 extends out of the top end of the buoyant bracket 10; the plug 40 is arranged at the top end of the buoyancy support 10, the lead 32 is fixed at the top end of the buoyancy support 10 through the plug 40, the plug 40 is used for blocking and sealing the buoyancy support 10, and optionally, the plug 40 can be an aviation plug 40.
Alternatively, the buoyant support 10 may be a rod-like structure, such as a reed pipe, and the height of the buoyant support 10 may be selected according to actual needs. The floating ball 20 can be made of stainless steel, the floating ball 20 can be a spherical structure or a columnar structure, and the mass of the floating ball 20 can be selected according to the type of the liquid level sensor.
According to the magnetic induction type liquid level sensor device of the present invention, the sensing unit 30 comprises at least one reed switch 31, and when the sensing unit 30 comprises a plurality of reed switches 31, the sensing unit 30 can detect a plurality of liquid level signals, so that the liquid level sensor has a function of detecting a plurality of liquid level signals. Therefore, the requirement that the equipment detects various liquid level signals can be met only by one sensor, and cost reduction is facilitated.
In some optional embodiments, a flange 50 is further disposed on the buoyancy bracket 10, the flange 50 is disposed at an end of the buoyancy bracket 10 close to the plug 40, and the liquid level sensor is fixed to the equipment through the flange 50, so that the connection is stable.
With continued reference to fig. 1, in some alternative embodiments, the number of reed switches 31 is multiple. Further, the number of the magnetic reed switches 31 is three, and the three magnetic reed switches 31 are arranged at intervals in the buoyancy support 10 along the length direction of the buoyancy support 10, so that the liquid level sensor can detect the liquid level of equipment such as an internal oil tank of an oil purifier, detect the change of the oil position, and the floating ball 20 floats to different positions to send three different liquid level signals of an upper limit, a middle limit and a lower limit.
In some optional embodiments, the liquid level sensor of this embodiment further includes a second limiting block 12, where the second limiting block 12 is disposed at a position between the top end and the bottom end of the buoyancy bracket 10, and is used to further limit the position of the floating ball 20, so that the liquid level detection is more accurate.
Fig. 2 is a schematic structural diagram of another liquid level sensor apparatus provided in the embodiment of the present invention.
Referring to fig. 2, in some optional embodiments, the floating ball 20 is disposed between the first stopper 11 and the second stopper 12, the number of the magnetic reed switches 31 is one, and the magnetic reed switch 31 is disposed between the first stopper 11 and the second stopper 12 and near the second stopper 12 of the buoyancy bracket 10, so that the liquid level sensor can detect the liquid level of a device, such as an oil tank inside an oil purifier, and the floating ball 20 floats to different positions according to a change of a position of oil, and can emit an upper limit liquid level signal.
Fig. 3 is a schematic structural diagram of another liquid level sensor apparatus provided in the embodiment of the present invention.
Referring to fig. 3, in some optional embodiments, the floating ball 20 is disposed between the second limit block 12 and the plug 40, the number of the reed switches 31 is one, and the reed switches 31 are disposed between the second limit block 12 and the plug 40 and near the second limit block 12 of the buoyancy bracket 10, so that the liquid level sensor can detect the liquid level of an internal oil tank of a device, such as an oil purifier, and the floating ball 20 floats to different positions according to a change of an oil position, and can emit a lower limit liquid level signal.
Fig. 4 is a schematic structural diagram of another liquid level sensor apparatus provided in the embodiment of the present invention.
Referring to fig. 4, in some optional embodiments, the floating ball 20 is disposed between the first limiting block 11 and the second limiting block 12, the number of the magnetic reed switches 31 is two, and the magnetic reed switches 31 are disposed on the buoyancy bracket 10 between the first limiting block 11 and the second limiting block 12 and respectively close to the first limiting block 11 and the second limiting block 12, so that the liquid level sensor can detect a liquid level of a device, such as an internal oil tank of an oil purifier, and according to a change of an oil position, the floating ball 20 floats to different positions, and can send liquid level signals of an upper limit and a lower limit.
While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (7)
1. A magnetic inductive liquid level sensor apparatus, comprising:
the buoyancy support is provided with a top end and a bottom end which are oppositely arranged, the buoyancy support is of a hollow structure, and a first limiting block is arranged at the bottom end of the buoyancy support;
the floating ball is provided with a through hole penetrating through the thickness of the floating ball, and the floating ball is connected with the buoyancy support through the through hole;
the sensing unit is arranged inside the buoyancy support and comprises at least one magnetic reed switch and a lead, the magnetic reed switch is electrically connected with the lead, and the lead extends out of the top end of the buoyancy support;
the plug is arranged at the top end of the buoyancy support, and the conducting wire is fixed at the top end of the buoyancy support through the plug.
2. The magnetic inductive liquid level sensor apparatus of claim 1, wherein a flange is further disposed on the buoyant support, the flange being disposed at an end of the buoyant support adjacent to the plug.
3. The magnetic inductive liquid level sensor apparatus of claim 1, wherein the number of the reed switches is three, and the three reed switches are arranged at intervals in the length direction of the buoyant support.
4. The magnetic inductive liquid level sensor apparatus of claim 1, further comprising a second stop block disposed between the top end and the bottom end of the buoyant support.
5. The magnetic inductive liquid level sensor apparatus according to claim 4, wherein the floating ball is disposed between the first stopper and the second stopper;
the number of the magnetic reed switches is one, and the magnetic reed switches are arranged on the buoyancy support between the first limiting block and the second limiting block and are close to the second limiting block.
6. The magnetic inductive liquid level sensor apparatus according to claim 4, wherein the floating ball is disposed between the second stopper and the plug;
the number of the magnetic reed switches is one, and the magnetic reed switches are arranged on the buoyancy support between the second limiting block and the plug and are close to the second limiting block.
7. The magnetic inductive liquid level sensor apparatus according to claim 4, wherein the floating ball is disposed between the first stopper and the second stopper;
the number of the magnetic reed switches is two, and the magnetic reed switches are arranged on the buoyancy support between the first limiting block and the second limiting block and are respectively close to the first limiting block and the second limiting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121586089.6U CN215338509U (en) | 2021-07-13 | 2021-07-13 | Magnetic induction type liquid level sensor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121586089.6U CN215338509U (en) | 2021-07-13 | 2021-07-13 | Magnetic induction type liquid level sensor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215338509U true CN215338509U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121586089.6U Active CN215338509U (en) | 2021-07-13 | 2021-07-13 | Magnetic induction type liquid level sensor device |
Country Status (1)
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|---|---|
| CN (1) | CN215338509U (en) |
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2021
- 2021-07-13 CN CN202121586089.6U patent/CN215338509U/en active Active
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