CN217058972U - Water level detection mechanism of water storage tank - Google Patents
Water level detection mechanism of water storage tank Download PDFInfo
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- CN217058972U CN217058972U CN202220003099.0U CN202220003099U CN217058972U CN 217058972 U CN217058972 U CN 217058972U CN 202220003099 U CN202220003099 U CN 202220003099U CN 217058972 U CN217058972 U CN 217058972U
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- level sensor
- water tank
- water level
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Abstract
The utility model provides a storage water tank water level detection mechanism, includes the water tank in shell and the shell, the water tank outer wall is equipped with level sensor, level sensor adopts level sensor, level sensor set up on the shell and with the water tank outer wall between be equipped with the clearance, the clearance interval is 1mm ~15 mm. The utility model discloses beneficial effect lies in: and by adopting an air-separating detection mode, the water level sensor is not influenced by high temperature for a long time, so that the stability is improved and the service life is prolonged.
Description
Technical Field
The utility model relates to a water level detection mechanism, especially water level detection mechanism of storage water tank.
Background
The conventional water level detection adopts a contact type sensor, such as a water pressure sensor, a photoelectric liquid level sensor and a floater water level meter, has a complex structure and high cost, and is not suitable for small household appliances. The patent of CN213664803U 'a water level detection device for a water storage tank of an electric steamer' in a Chinese patent library adopts a capacitive water level sensor, the sensor is pasted on the outer wall of the bottom of the water storage tank, the raw water temperature boils at 97-99 ℃ during heating, the temperature of a tightly-attached detection chip can reach 97-99 ℃, and the sensor is easily damaged by long-term high temperature contact. There is a need for a contactless water level detection mechanism.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of traditional storage water tank water level detection mode, the utility model provides a contactless water level detection mechanism.
The utility model discloses a technical scheme do: the utility model provides a storage water tank water level detection mechanism, includes the water tank in shell and the shell, the water tank outer wall is equipped with level sensor, level sensor adopts level sensor, level sensor set up on the shell and with the water tank outer wall between be equipped with the clearance, the clearance interval is 1mm ~15 mm.
Preferably, the level sensor comprises a circuit board, one side of the circuit board is provided with a detection circuit, the other side of the circuit board is a copper-coated layer, the copper-coated layer is electrically connected with the detection circuit, and the copper-coated layer is arranged right opposite to the outer wall of the water tank. The copper-coated layer and the upper water form a micro-capacitor to realize water level detection.
Preferably, the level sensor includes a circuit board, the circuit board is provided with a detection circuit, and the circuit board is provided with a touch resistor.
Further, the water level sensor can be arranged at any position of the water tank according to different actual requirements, and the water level sensor is arranged at the bottom of the water tank. The water level sensor may also be provided at a side of the water tank.
Preferably, when the water tank is used for heating or humidifying, in order to prevent the heating or humidifying component from being used in a water-free state, a protruding part is arranged on the bottom surface of the water tank, and the water level sensor is arranged at the lower end of the protruding part. By detecting the water level of the bulge part, the surplus water is ensured to prevent dry burning when the water-free state is detected.
The utility model discloses beneficial effect lies in: and by adopting an air-separating detection mode, the water level sensor cannot be influenced by high temperature for a long time, and the stability and the service life are improved.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic view of the structure of the portion a in fig. 1.
Fig. 3 is a schematic structural view of another embodiment of a portion a in fig. 1.
Fig. 4 is a schematic structural view of embodiment 3 of the present invention.
Wherein: 1. a housing; 2. a water tank; 3. a level sensor; 31. a circuit board; 32. coating a copper layer; 4. a touch resistance; 5. a projection.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2: the utility model provides a storage water tank water level detection mechanism, includes water tank 2 in shell 1 and the shell 1, 2 outer walls of water tank are equipped with level sensor, level sensor adopts level sensor 3, level sensor 3 set up on shell 1 and with 2 outer walls of water tank between be equipped with the clearance, the clearance interval is 1mm ~15 mm.
In this embodiment, the level sensor 3 includes a circuit board 31, one side of the circuit board 31 is provided with a detection circuit, the other side of the circuit board is a copper-clad layer 32, the copper-clad layer 32 is electrically connected with the detection circuit, and the copper-clad layer 32 is arranged right opposite to the outer wall of the water tank 2. The copper-clad layer 32 and the upper water form a micro-capacitor to realize water level detection.
As shown in fig. 3: in this embodiment, the receiving portion can be heightened by adopting a level sensor for fixing the sensor, the level sensor 3 includes a circuit board, a detection circuit is arranged on the circuit board, and a touch resistor 4 is arranged on the circuit board 31.
In this embodiment, the water level sensor can be set at any position of the water tank 2 according to different practical requirements, and the water level sensor is set at the bottom of the water tank 2. The water level sensor may also be provided at the side of the water tank 2.
Example 2: as shown in fig. 4: in this embodiment, based on the improvement of embodiment 1, when the water tank 2 is used for heating or humidifying, in order to prevent the heating or humidifying components from being used in a water-free state, the bottom surface of the water tank 2 is provided with a protrusion 5, and the water level sensor is arranged at the lower end of the protrusion 5. By detecting the water level of the bulge part 5, the surplus water is ensured to prevent dry burning when the water-free state is detected.
The above-disclosed embodiments are merely exemplary embodiments of the present invention, which should not be construed as limiting the scope of the invention, but rather as being construed in accordance with the doctrine of equivalents.
Claims (7)
1. The utility model provides a storage water tank water level detection mechanism, includes water tank (2) in shell (1) and shell (1), its characterized in that: the water tank (2) outer wall is equipped with level sensor, level sensor adopts level sensor (3), level sensor (3) set up on shell (1) and with be equipped with the clearance between water tank (2) outer wall.
2. The water level detection mechanism of a water storage tank according to claim 1, characterized in that: the gap interval is 1 mm-15 mm.
3. The water level detection mechanism of the water storage tank of claim 1, wherein: level sensor (3) are including circuit board (31), circuit board (31) one side is equipped with detection circuitry, the circuit board another side is for covering copper layer (32), it is connected with detection circuitry electricity to cover copper layer (32), it is just right to cover copper layer (32) water tank (2) outer wall sets up.
4. The water level detection mechanism of a water storage tank according to claim 1, characterized in that: the level sensor (3) comprises a circuit board, a detection circuit is arranged on the circuit board, and a touch resistor (4) is arranged on the circuit board (31).
5. The water level detection mechanism of the water storage tank of any one of claims 1 to 4, wherein: the water level sensor is arranged at the bottom of the water tank (2).
6. The water level detection mechanism of the water storage tank of any one of claims 1 to 4, wherein: the water level sensor is arranged on the side surface of the water tank (2).
7. The water level detection mechanism of a water storage tank according to any one of claims 1 to 4, characterized in that: the bottom surface of the water tank (2) is provided with a convex part (5), and the water level sensor is arranged at the lower end of the convex part (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220003099.0U CN217058972U (en) | 2022-01-04 | 2022-01-04 | Water level detection mechanism of water storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220003099.0U CN217058972U (en) | 2022-01-04 | 2022-01-04 | Water level detection mechanism of water storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217058972U true CN217058972U (en) | 2022-07-26 |
Family
ID=82481863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220003099.0U Active CN217058972U (en) | 2022-01-04 | 2022-01-04 | Water level detection mechanism of water storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217058972U (en) |
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2022
- 2022-01-04 CN CN202220003099.0U patent/CN217058972U/en active Active
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