CN219641041U - Liquid level sensor - Google Patents
Liquid level sensor Download PDFInfo
- Publication number
- CN219641041U CN219641041U CN202321169442.XU CN202321169442U CN219641041U CN 219641041 U CN219641041 U CN 219641041U CN 202321169442 U CN202321169442 U CN 202321169442U CN 219641041 U CN219641041 U CN 219641041U
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- China
- Prior art keywords
- optical signal
- detection probe
- ring
- liquid level
- level sensor
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- 239000007788 liquid Substances 0.000 title claims abstract description 83
- 238000001514 detection method Methods 0.000 claims abstract description 69
- 239000000523 sample Substances 0.000 claims abstract description 68
- 230000003287 optical effect Effects 0.000 claims description 131
- 238000007789 sealing Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 239000000741 silica gel Substances 0.000 claims 1
- 229910002027 silica gel Inorganic materials 0.000 claims 1
- 238000009434 installation Methods 0.000 description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 29
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a liquid level sensor, comprising: the mounting seat is provided with an abutting ring and a rotating ring, the rotating ring is in separable threaded connection with the mounting seat, the rotating ring can be made to approach or separate from the abutting ring by rotating the rotating ring, and a clamping space is formed on the opposite surface of the abutting ring and the rotating ring; the detection probe is a photoelectric detection probe, the detection probe is arranged at one end of the mounting seat, when the liquid level is higher than the detection probe, the detection probe sends out a first electric signal, and when the liquid level is lower than the detection probe, the detection probe sends out a second electric signal. The liquid level sensor is convenient to disassemble and assemble and has higher reliability.
Description
Technical Field
The utility model belongs to the technical field of sensors, and particularly relates to a liquid level sensor.
Background
The existing household water appliances such as water heaters and water purifiers all have a liquid storage tank, in order to realize more intelligent function, need install level sensor in liquid storage tank and monitor the liquid level in the liquid storage container, level sensor in the existing household water appliances is mostly buoyancy type level sensor, and its is bulky, and the structure is complicated, utilizes the buoyancy of water to carry out mechanical type operation detection liquid level, and extremely appears the floater card extremely easily and die and lead to unusable phenomenon after using a period, and the reliability is poor and is inconvenient for the dismouting.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the liquid level sensor which is convenient to assemble and disassemble and has higher reliability.
According to an embodiment of the present utility model, a liquid level sensor includes: the mounting seat is provided with an abutting ring and a rotating ring, the rotating ring is in separable threaded connection with the mounting seat, the rotating ring can be made to approach or separate from the abutting ring by rotating the rotating ring, and a clamping space is formed on the opposite surface of the abutting ring and the rotating ring; the detection probe is a photoelectric detection probe, the detection probe is arranged at one end of the mounting seat, when the liquid level is higher than the detection probe, the detection probe sends out a first electric signal, and when the liquid level is lower than the detection probe, the detection probe sends out a second electric signal.
According to the embodiment of the utility model, the liquid level sensor has at least the following technical effects: when the liquid level sensor is installed, the side wall of the liquid storage tank is only required to be perforated according to the monitored liquid level height, the perforated hole is slightly larger than the installation seat, then the installation seat is inserted into the perforated hole, the detection probe is positioned in the liquid storage tank, the installation seat is screwed into the rotating ring and screwed up, the side wall of the liquid storage tank is abutted against the abutting ring and the rotating ring, the side wall of the liquid storage tank is positioned in a clamping space formed by the abutting ring and the rotating ring, so that the installation is completed, and the liquid level sensor is convenient to disassemble and assemble by reversing operation when the liquid level sensor is required to be disassembled; in addition, the liquid level sensor adopts the photoelectric detection probe, monitors the liquid level through the electric signal, does not need to perform mechanical movement, can ensure the reliability of monitoring results, has high integration degree and small volume, and can meet the requirements of ever-smaller and intelligent water home appliances.
According to some embodiments of the utility model, a seal is further sleeved on the mounting base, the seal being located between the abutment ring and the rotating ring. In the installation, when screwing up the swivel ring, can make the sealing member also hug closely with the liquid storage tank lateral wall to play the effect to liquid storage tank lateral wall trompil department seal, prevent to leak.
According to some embodiments of the utility model, the seal is a silicone seal ring.
According to some embodiments of the utility model, the abutment ring is detachably threaded with the mount, and the abutment ring and the swivel ring are detachable and threaded from both ends of the mount, respectively. The rotary ring or the rotary ring can be fixed in a rotary manner according to actual installation requirements, the installation seat is inserted into the opening of the liquid storage water tank from the outside of the liquid storage water tank or the inside of the liquid storage water tank, and then the rotary ring or the rotary ring is screwed down from the inside of the liquid storage water tank or the outside of the liquid storage water tank to complete the installation, so that the rotary ring or the rotary ring can be installed or detached according to actual installation requirements, and the disassembly and assembly efficiency can be further improved.
According to some embodiments of the utility model, the peripheral surface of the rotating ring is disposed in an outer hexagon. The rotary ring is conveniently clamped, rotated and installed by using an external tool such as a spanner.
According to some embodiments of the utility model, the circumference of the abutment ring is arranged in an outer hexagon. The external tool, such as a wrench, is conveniently used for clamping, rotating and installing the abutting ring.
According to some embodiments of the utility model, the detection probe comprises an optical signal emitting part, an optical signal receiving part and an optical adjusting part, wherein the optical signal emitting part is arranged opposite to the optical signal receiving part, the optical adjusting part is arranged between the optical signal emitting part and the optical signal receiving part, and can adjust an optical signal emitted by the optical signal emitting part, when the liquid level is higher than the detection probe, the optical signal emitted by the optical signal emitting part passes through the optical adjusting part and is received by the optical signal receiving part, so that the optical signal receiving part generates a first electric signal, and when the liquid level is lower than the detection probe, the optical signal emitted by the optical signal emitting part is prevented from being received by the optical signal receiving part after being adjusted by the optical adjusting part, so that the optical signal receiving part generates a second electric signal. When the water level in the liquid storage tank is higher than the detection probe, the optical signal emitted by the optical signal emitting part can be transmitted to the optical signal receiving part so as to generate a first electric signal, namely a high-level signal, whereas when the liquid level is lower than the detection probe, the optical signal emitted by the optical signal emitting part cannot be transmitted to the optical signal receiving part so as to generate a second electric signal, namely a low-level signal, so that the water level of the liquid storage tank is prompted to be lower than the detection probe.
According to some embodiments of the utility model, the detection probe further comprises a first installation cover and a second installation cover which are oppositely arranged, the first installation cover and the second installation cover are both transparent, the optical signal emitting part is arranged in the first installation cover in a sealing manner, the optical signal receiving part is arranged in the second installation cover in a sealing manner, the optical adjusting part is a side wall of the first installation cover, the optical adjusting part is arranged in an inclined plane and is positioned between the optical signal emitting part and the optical signal receiving part, when the liquid level is higher than the detection probe, the optical signal emitted by the optical signal emitting part is received by the optical signal receiving part after passing through the optical adjusting part, and when the liquid level is lower than the detection probe, the optical signal emitted by the optical signal emitting part is prevented from being received by the optical signal receiving part after being reflected by the optical adjusting part. When the water level in the liquid storage tank is higher than the detection probe, the optical signal emitted by the optical signal emitting part penetrates through the side wall (the optical adjusting part) in a refractive way through the side wall of the first mounting cover and is received by the optical signal receiving part, so that a first electric signal is generated, otherwise, when the water level is lower than the detection probe, the optical signal emitted by the optical signal emitting part is reflected through the side wall (the optical adjusting part) of the first mounting cover and cannot penetrate through the side wall, and cannot be transmitted to the optical signal receiving part, so that a second electric signal is generated.
According to some embodiments of the utility model, a diversion slope is provided between opposite side walls of the first and second mounting covers. The arrangement of the diversion inclined plane enables water between the side walls of the first installation cover and the second installation cover to be discharged through the diversion inclined plane in time when the liquid level is lower than that of the detection probe, and false alarm is prevented.
According to some embodiments of the utility model, the optical signal emitting element is an infrared emitting lamp and the optical signal receiving element is an infrared receiving lamp.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic front view of an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model, showing an optical path diagram of an optical signal emitted by an optical signal emitting element of the liquid level sensor when the liquid level is higher than that of the detection probe;
FIG. 3 is a schematic cross-sectional view of an embodiment of the present utility model, showing an optical path diagram of an optical signal emitted by an optical signal emitting element of the liquid level sensor when the liquid level is lower than the detection probe;
fig. 4 is a schematic diagram of an embodiment of the present utility model, mainly illustrating a detection probe.
Reference numerals:
100. a mounting base; 101. an abutment ring; 102. a rotating ring; 103. a clamping space; 104. a seal;
200. a detection probe; 201. an optical signal emitting member; 202. an optical signal receiving member; 203. a light adjusting member; 204. a first mounting cover; 205. a second mounting cover; 206. and a diversion inclined plane.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
A liquid level sensor according to an embodiment of the present utility model is described below with reference to fig. 1 to 4.
As shown in fig. 1, a liquid level sensor according to an embodiment of the present utility model includes: the device comprises a mounting seat 100 and a detection probe 200, wherein an abutting ring 101 and a rotating ring 102 are arranged on the mounting seat 100, the rotating ring 102 is in separable threaded connection with the mounting seat 100, the rotating ring 102 can be close to or far away from the abutting ring 101 by rotating the rotating ring 102, and a clamping space 103 is formed on the opposite surface of the abutting ring 101 and the rotating ring 102; the detection probe 200 is a photoelectric detection probe, the detection probe 200 is arranged at one end of the mounting seat 100, when the liquid level is higher than the detection probe 200, the detection probe 200 emits a first electric signal, and when the liquid level is lower than the detection probe 200, the detection probe 200 emits a second electric signal.
For example, in some embodiments of the present utility model, as shown in fig. 1, the mounting seat 100 is a cylindrical body with threads on a surface, when the liquid level sensor is installed, only the opening is needed to be formed in the side wall of the liquid storage tank according to the monitored liquid level height, the opening is slightly larger than the mounting seat 100, then the mounting seat 100 is inserted into the opening, the detection probe 200 is positioned in the liquid storage tank, the rotating ring 102 is screwed into the mounting seat 100 and screwed up, so that the side wall of the liquid storage tank is abutted against the abutting ring 101 and the rotating ring 102, and the side wall of the liquid storage tank is positioned in the clamping space 103 formed by the abutting ring 101 and the rotating ring 102, so that the installation is completed, and the reverse operation is needed when the liquid level sensor is detached, so that the liquid level sensor is more convenient to disassemble; in addition, the liquid level sensor adopts the photoelectric detection probe, monitors the liquid level through the electric signal, does not need to perform mechanical movement, can ensure the reliability of monitoring results, has high integration degree and small volume, and can meet the requirements of ever-smaller and intelligent water home appliances.
In some embodiments of the present utility model, a seal 104 is further sleeved on the mounting base 100, where the seal 104 is located between the abutment ring 101 and the rotation ring 102. In the installation process, when the rotary ring 102 is screwed down, the sealing piece 104 can be tightly attached to the side wall of the liquid storage tank, so that the sealing effect on the opening of the side wall of the liquid storage tank is achieved, and water leakage is prevented.
In some embodiments of the present utility model, the seal 104 is a silicone seal ring.
In some embodiments of the present utility model, the abutment ring 101 is detachably screwed with the mounting base 100, and the abutment ring 101 and the rotation ring 102 are respectively detachably and screwed from both ends of the mounting base 100. The rotary ring 102 or the abutting ring 101 can be screwed down from the inside of the liquid storage water tank or the outside of the liquid storage water tank to finish the installation after the abutting ring 101 or the rotary ring 102 is fixed in a rotary manner according to the actual installation requirement and then the installation seat 100 is inserted into the opening of the liquid storage water tank from the outside of the liquid storage water tank or the inside of the liquid storage water tank, so that the installation or the disassembly can be performed according to the actual installation requirement, and the disassembly and assembly efficiency can be further improved.
In some embodiments of the present utility model, the peripheral surface of the rotating ring 102 is disposed in an outer hexagonal shape. The swivel 102 is conveniently clamped for rotational installation using an external tool, such as a wrench.
In some embodiments of the present utility model, the circumferential surface of the abutment ring 101 is disposed in an outer hexagon. The abutment ring 101 is conveniently clamped and rotatably mounted by an external tool, such as a wrench.
As shown in fig. 2, in some embodiments of the present utility model, the detection probe 200 includes an optical signal emitting element 201, an optical signal receiving element 202, and an optical adjusting element 203, where the optical signal emitting element 201 and the optical signal receiving element 202 are disposed opposite to each other, and the optical adjusting element 203 is located between the optical signal emitting element 201 and the optical signal receiving element 202, so that an optical signal emitted by the optical signal emitting element 201 can be adjusted, when the liquid level is higher than the detection probe 200, the optical signal emitted by the optical signal emitting element 201 passes through the optical adjusting element 203 and is received by the optical signal receiving element 202, so that the optical signal receiving element 202 generates a first electrical signal, and when the liquid level is lower than the detection probe 200, the optical signal emitted by the optical signal emitting element 201 is adjusted by the optical adjusting element 203 and is prevented from being received by the optical signal receiving element 202, so that the optical signal receiving element 202 generates a second electrical signal. When the water level in the liquid storage tank is higher than the detection probe 200, the optical signal emitted by the optical signal emitting part 201 can be transmitted to the optical signal receiving part 202, so that a first electric signal, namely a high-level signal, is generated, whereas when the water level is lower than the detection probe 200, the optical signal emitted by the optical signal emitting part 201 cannot be transmitted to the optical signal receiving part 202, so that a second electric signal, namely a low-level signal, is generated, and the water level of the liquid storage tank is indicated to be lower than the detection probe 200.
In some embodiments of the present utility model, the detection probe 200 further includes a first mounting cover 204 and a second mounting cover 205 that are disposed opposite to each other, where the first mounting cover 204 and the second mounting cover 205 are both transparent, the optical signal transmitting element 201 is disposed in the first mounting cover 204 in a sealing manner, the optical signal receiving element 202 is disposed in the second mounting cover 205 in a sealing manner, the optical adjusting element 203 is a side wall of the first mounting cover 204, and the optical adjusting element 203 is disposed in an inclined plane and between the optical signal transmitting element 201 and the optical signal receiving element 202, as shown in fig. 2, when the liquid level is higher than the detection probe 200, the optical signal emitted by the optical signal transmitting element 201 is received by the optical signal receiving element 202 after being refracted by the optical adjusting element 203 and passing through the optical adjusting element 203, as shown in fig. 3, when the liquid level is lower than the detection probe 200, the optical signal emitted by the optical signal transmitting element 201 is prevented from being received by the optical signal receiving element 202 after being reflected by the optical adjusting element 203. When the water level in the liquid storage tank is higher than the detection probe 200, the optical signal emitted by the optical signal emitting element 201 is refracted through the side wall (the optical adjusting element 203) of the first mounting cover 204 and then received by the optical signal receiving element 202, so as to generate a first electrical signal, whereas when the water level is lower than the detection probe 200, the optical signal emitted by the optical signal emitting element 201 is reflected through the side wall (the optical adjusting element 203) of the first mounting cover 204 and cannot penetrate through the side wall and then cannot be transmitted to the optical signal receiving element 202, so as to generate a second electrical signal.
As shown in fig. 1 and 4, in some embodiments of the present utility model, a diversion slope 206 is provided between opposite sidewalls of the first and second mounting covers 204 and 205. Two connected diversion inclined planes 206 are arranged in a gap between the first installation cover 204 and the second installation cover 205, the connection position of the two diversion inclined planes 206 is taken as the highest point to incline to two sides, a triangular arch shape is formed, and the diversion inclined planes 206 are arranged so that when the liquid level is lower than the detection probe 200, water between the side walls of the first installation cover 204 and the second installation cover 205 can be timely discharged through the diversion inclined planes 206, and false alarm is prevented.
In some embodiments of the present utility model, optical signal transmitting member 201 is an infrared transmitting lamp and optical signal receiving member 202 is an infrared receiving lamp.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The present utility model is, of course, not limited to the above-described embodiments, and one skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the utility model, and these equivalent modifications or substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.
Claims (10)
1. A liquid level sensor, comprising:
the mounting seat (100), the mounting seat (100) is provided with an abutting ring (101) and a rotating ring (102), the rotating ring (102) is detachably connected with the mounting seat (100) through threads, the rotating ring (102) can be rotated to enable the rotating ring (102) to be close to or far away from the abutting ring (101), and a clamping space (103) is formed on the surface, opposite to the rotating ring (102), of the abutting ring (101);
the detection probe (200), detection probe (200) are photoelectric detection probe, detection probe (200) set up mount pad (100) one end tip, when the liquid level is higher than detection probe (200), detection probe (200) send out first electrical signal, when the liquid level is lower than detection probe (200), detection probe (200) send out the second electrical signal.
2. A fluid level sensor as defined in claim 1, wherein: and a sealing element (104) is sleeved on the mounting seat (100), and the sealing element (104) is positioned between the abutting ring (101) and the rotating ring (102).
3. A fluid level sensor as claimed in claim 2, wherein: the sealing piece (104) is a silica gel sealing ring.
4. A fluid level sensor as defined in claim 1, wherein: the abutting ring (101) is detachably connected with the mounting seat (100) through threads, and the abutting ring (101) and the rotating ring (102) can be respectively separated from and connected with two ends of the mounting seat (100) through threads.
5. A fluid level sensor as defined in claim 1, wherein: the peripheral surface of the rotary ring (102) is arranged in an outer hexagonal shape.
6. A fluid level sensor as defined in claim 4, wherein: the peripheral surface of the abutting ring (101) is arranged in an outer hexagon.
7. A fluid level sensor as defined in claim 1, wherein: the detection probe (200) comprises an optical signal emitting part (201), an optical signal receiving part (202) and an optical adjusting part (203), wherein the optical signal emitting part (201) and the optical signal receiving part (202) are oppositely arranged, the optical adjusting part (203) is arranged between the optical signal emitting part (201) and the optical signal receiving part (202), and can adjust an optical signal emitted by the optical signal emitting part (201), when the liquid level is higher than the detection probe (200), the optical signal emitted by the optical signal emitting part (201) passes through the optical adjusting part (203) and then is received by the optical signal receiving part (202), so that the optical signal receiving part (202) generates a first electric signal, and when the liquid level is lower than the detection probe (200), the optical signal emitted by the optical signal emitting part (201) is prevented from being received by the optical signal receiving part (202) after being adjusted by the optical adjusting part (203), so that the optical signal receiving part (202) generates a second electric signal.
8. A fluid level sensor as defined in claim 7, wherein: the detection probe (200) further comprises a first mounting cover (204) and a second mounting cover (205) which are oppositely arranged, the first mounting cover (204) and the second mounting cover (205) are both transparent, the light signal transmitting part (201) is arranged in the first mounting cover (204) in a sealing mode, the light signal receiving part (202) is arranged in the second mounting cover (205) in a sealing mode, the light adjusting part (203) is arranged on the side wall of the first mounting cover (204) in an inclined plane mode, the light adjusting part (203) is located between the light signal transmitting part (201) and the light signal receiving part (202), when the liquid level is higher than that of the detection probe (200), the light signal transmitted by the light signal transmitting part (201) passes through the light adjusting part (203) to be received by the light signal receiving part (202), and when the liquid level is lower than that the detection probe (200) is lower than that the light signal transmitting part (203) transmits the light signal, the light signal transmitted by the light signal transmitting part (201) is prevented from being received by the light signal receiving part (203).
9. A fluid level sensor as defined in claim 8, wherein: a diversion inclined plane (206) is arranged between the opposite side walls of the first mounting cover (204) and the second mounting cover (205).
10. A fluid level sensor as defined in claim 7, wherein: the optical signal transmitting part (201) is an infrared transmitting lamp, and the optical signal receiving part (202) is an infrared photosensitive receiving lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321169442.XU CN219641041U (en) | 2023-05-15 | 2023-05-15 | Liquid level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321169442.XU CN219641041U (en) | 2023-05-15 | 2023-05-15 | Liquid level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219641041U true CN219641041U (en) | 2023-09-05 |
Family
ID=87808434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321169442.XU Active CN219641041U (en) | 2023-05-15 | 2023-05-15 | Liquid level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219641041U (en) |
-
2023
- 2023-05-15 CN CN202321169442.XU patent/CN219641041U/en active Active
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