CN211514997U - Device capable of stably atomizing in certain water level range - Google Patents
Device capable of stably atomizing in certain water level range Download PDFInfo
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- CN211514997U CN211514997U CN201921934343.XU CN201921934343U CN211514997U CN 211514997 U CN211514997 U CN 211514997U CN 201921934343 U CN201921934343 U CN 201921934343U CN 211514997 U CN211514997 U CN 211514997U
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Abstract
The device capable of stably atomizing in a certain water level range comprises an outer shell, a liquid containing cavity arranged in the outer shell, an ultrasonic atomizing sheet arranged at the bottom of the liquid containing cavity and an atomizing controller arranged in the outer shell and positioned outside the liquid containing cavity, wherein the atomizing sheet is used for ultrasonically atomizing liquid in the liquid containing cavity and comprises a flaky substrate; the liquid level in the liquid containing cavity is not connected with the positive electrode or the atomization controller through electric signals all the time in the process that the liquid level changes from high to low, and the oscillation amplitude of the base body is stabilized.
Description
Technical Field
The invention relates to a device capable of stably atomizing in a certain water level range.
Background
The liquid atomization technology is required to be applied to different fields of household humidification, aromatherapy beauty, surface spraying, air purification, medical appliances and the like. And the ultrasonic atomization sheet is the core component of the liquid atomization technology. The ultrasonic atomization sheet comprises a piezoelectric ceramic layer and a positive electrode layer and a negative electrode layer which are respectively covered on the front surface and the back surface of the piezoelectric ceramic layer. Through positive and negative electrode layer to when piezoceramics layer provided the high-frequency oscillation signal of telecommunication, the atomizing piece take place the flexible vibration of inverse piezoelectric effect production thickness direction, resonance is smashed liquid for tiny water droplet under the fundamental wave of production and is formed elegant fine mist. The traditional atomizing sheet has a disadvantage that, as shown in fig. 9, when high water level is atomized, ultrasonic energy generated by the atomizing sheet can generate a large energy attenuation, so that the atomization amount is extremely small and even atomization cannot be performed. The traditional atomizing sheet usually has only one proper atomizing water level area, the atomizing water level area is very narrow, the atomizing sheet is positioned in a proper atomizing water level area, the atomizing amount in the working process is relatively stable, and the atomizing amount is greatly reduced when the atomizing water level area is out. The characteristics severely limit the application of the atomizing plate and greatly influence the performance of the whole atomizing device. In order to solve the above technical problems, some solutions have been introduced on the market in recent years. A constant water level humidifier, such as that proposed in patent 201621265931.5, includes an aerosolization chamber with a water inlet disposed thereon through which a body of water within the water container may enter the aerosolization chamber, and a water container. The atomizing cavity is internally provided with a floater, the water inlet is provided with a valve plate, and the floater is connected with the valve plate. The water inlet is opened or closed by controlling the action of the valve plate through the floater, so that the water level in the atomizing cavity is maintained within a specific range. However, this solution is complicated and is not suitable for use in small atomizing devices. Or 201710693579, the primary vibrating anode and the cathode form a low water level oscillating circuit, and the primary vibrating anode, the secondary vibrating anode and the cathode form a high water level oscillating circuit, so as to obtain a plurality of suitable water level areas for atomization. However, the circuit structure is complex, and higher requirements are put on the circuit design.
Disclosure of Invention
In order to solve the technical problems, the device capable of stably atomizing in a certain water level range comprises a shell, a liquid containing cavity arranged in the shell, an ultrasonic atomizing sheet arranged at the bottom of the liquid containing cavity, and an atomizing controller arranged in the shell and positioned outside the liquid containing cavity, wherein the atomizing sheet is used for ultrasonically atomizing liquid in the liquid containing cavity, the atomizing sheet comprises a sheet-shaped substrate, a positive electrode arranged on the front side of the substrate and a negative electrode arranged on the back side of the substrate, the positive electrode and the negative electrode are respectively connected to an oscillation loop of the atomizing controller through signal lines, and the atomizing controller is used for providing oscillation signals to the atomizing sheet through the signal lines; the liquid level in the liquid containing cavity is not connected with the positive electrode or the atomization controller through electric signals so as to play a role in stabilizing the oscillation amplitude of the base body.
The structural form of the energy trap ring can be various, and for example, one of the following structural forms can be adopted:
in a first structural form, the collapsible ring comprises at least two collapsible segments arranged at intervals, and the collapsible segments are arranged around the positive electrode.
In a second structural form, the energy trap is a closed ring body which is continuously arranged in an extending way.
In a third structural form, the energy trap ring is an open ring-shaped ring body.
The further technical scheme can also be that an avoiding space is arranged between the collapsible ring and the edge of the base body, the negative electrode bypasses the side surface of the base body from the back surface of the base body to reach the avoiding space on the front surface of the base body, and a signal wire of the negative electrode is connected to the negative electrode in the avoiding space.
The invention also provides a device capable of stably atomizing in a certain water level range, which comprises a shell, a liquid containing cavity arranged in the shell, an ultrasonic atomizing sheet arranged at the bottom of the liquid containing cavity, and an atomizing controller arranged in the shell and positioned outside the liquid containing cavity, wherein the atomizing sheet is used for ultrasonically atomizing liquid in the liquid containing cavity, the atomizing sheet comprises a sheet-shaped substrate, a positive electrode arranged on the front side of the substrate and a negative electrode arranged on the back side of the substrate, the positive electrode and the negative electrode are respectively connected to an oscillation circuit of the atomizing controller through signal lines, and the atomizing controller is used for providing oscillation signals to the atomizing sheet through the signal lines; the liquid level in the liquid containing cavity is electrically connected with the positive electrode and the atomization controller all the time in the process of changing from high to low, so that the oscillation amplitude of the base body is stabilized.
The structural form of the energy trap ring can be various, and for example, one of the following structural forms can be adopted:
in a first structural form, the collapsible ring comprises at least two collapsible segments arranged at intervals, and the collapsible segments are arranged around the positive electrode.
In a second structural form, the energy trap is a closed ring body which is continuously arranged in an extending way.
In a third structural form, the energy trap ring is an open ring-shaped ring body.
The further technical scheme can also be that an avoiding space is arranged between the collapsible ring and the edge of the base body, the negative electrode bypasses the side surface of the base body from the back surface of the base body to reach the avoiding space on the front surface of the base body, and a signal wire of the negative electrode is connected to the negative electrode in the avoiding space.
According to the technical scheme, compared with the prior art, the invention has the beneficial technical effects that: the positive electrode and the negative electrode are respectively arranged on the front surface and the back surface of the substrate, and the energy trap ring is also arranged on the front surface of the substrate, so that the inverse piezoelectric effect is generated on the substrate corresponding to the overlapping area of the positive electrode and the negative electrode, the telescopic vibration in the thickness direction is generated, the positive piezoelectric effect is generated on the substrate corresponding to the energy trap ring, the conduction of vibration waves to the edge of the substrate is inhibited, the near-field distance of the ultrasonic wave of the atomizing sheet is improved, the variation amplitude of the atomizing amount of the atomizing sheet in the wide water level area range is greatly reduced, and the structure is very simple.
The present invention, having the above-described features and advantages, can be applied to an apparatus capable of stably atomizing under a certain water level range.
Drawings
Fig. 1 is a schematic cross-sectional view of an apparatus 5 capable of stably atomizing under a range of water level to which the present invention is applied;
FIG. 2 is a schematic diagram of the reverse structure of the atomization sheet 100;
fig. 3 is a schematic diagram of an electrical connection structure of the atomization sheet 100 and the atomization controller 4, and a schematic diagram of a front structure of the atomization sheet 100 is also shown;
FIG. 4 is a schematic cross-sectional view taken along the line A-A in FIG. 3;
fig. 5 is a schematic diagram of a second front structure of the atomizing plate 100;
FIG. 6 is a schematic diagram of a third front structure of the atomization sheet 100
Fig. 7 is a schematic front view of the atomizing plate 100 a;
FIG. 8 is a schematic cross-sectional view taken along line B-B of FIG. 7;
fig. 9 is a graph showing the atomizing amount and the water level variation of the atomizing sheet 100 and the atomizing sheet 100a according to the present invention.
Detailed Description
As shown in fig. 1 to 4, the present invention provides a device 5 capable of stably atomizing in a certain water level range, which includes an outer shell 51, a liquid containing cavity 52 disposed in the outer shell 51, an ultrasonic atomizing sheet 100 mounted at a bottom position of the liquid containing cavity 52, and an atomizing controller 4 mounted in the outer shell 51 but located outside the liquid containing cavity 52, wherein the atomizing sheet 100 is used for ultrasonically atomizing the liquid in the liquid containing cavity 52. The atomization sheet 100 comprises a sheet-shaped substrate 3, and further comprises a positive electrode 2 arranged on the front surface A of the substrate 3 and a negative electrode 1 arranged on the back surface B of the substrate 3, wherein the positive electrode 2 and the negative electrode 1 are respectively connected to an oscillation circuit of the atomization controller 4 through signal lines (6, 61), and the atomization controller 4 is used for providing oscillation signals to the atomization sheet 100 through the signal lines (6, 61). The positive electrode 2 is arranged in the central area of the front surface A of the substrate 3, the front surface A of the substrate 3 is further provided with an energy trap 21, and the energy trap 21 is an open annular ring body. The energy trap 21 surrounds the positive electrode 2, an isolation gap 22 is formed between the energy trap 21 and the positive electrode 2, so that not only spatial isolation but also electrical isolation is realized, and the energy trap 21 is used for not being in electrical signal connection with the positive electrode 2 or the atomization controller 4 all the time in the process that the liquid level in the liquid containing cavity 52 changes from high to low, so as to play a role in stabilizing the oscillation amplitude of the matrix 3.
Further, an avoiding space 23 is formed between the collapsible ring 21 and the edge of the base body 3, the negative electrode 1 bypasses the side surface of the base body 3 from the back surface B of the base body 3 to reach the avoiding space 23 on the front surface a of the base body 3, and a negative signal wire 61 is connected to the negative electrode 11 in the avoiding space 23.
As for the energy trap 21, a structure as shown in fig. 5 and fig. 6 may also be adopted, as shown in fig. 5, the energy trap 21 "includes at least two energy trap sections 211 arranged at intervals, in this embodiment, the energy trap 21" includes three energy trap sections 211, and all the energy trap sections 211 are arranged around the positive electrode 2. Of course, in other embodiments, it is also possible that the energy trap ring includes two, four or more energy trap sections 211. As shown in fig. 6, the ring 21' is a closed ring body continuously extending.
According to the above technical solution, as shown in fig. 9, the positive electrode 2 and the negative electrode 1 are respectively disposed on the front surface a and the back surface B of the substrate 3, and the energy trap 21 is further disposed on the front surface a of the substrate 3, so that an inverse piezoelectric effect occurs on the substrate 31 corresponding to an overlapping region of the positive electrode 2 and the negative electrode 1 to generate a thickness-direction stretching vibration, and a positive piezoelectric effect occurs on the substrate 32 corresponding to the energy trap 21 to suppress the conduction of a vibration wave to the edge of the substrate 3, thereby increasing the near-field distance of the ultrasonic wave of the atomizing sheet 100, greatly reducing the variation range of the atomizing amount of the atomizing sheet 100 in a wide water level region, and having a very simple structure.
The present invention also proposes another device capable of stable atomization at a range of water levels, the structure of the atomization device being similar to that shown in fig. 1 and understood with reference to fig. 1. The atomization device comprises a shell, a liquid containing cavity arranged in the shell, an ultrasonic atomization sheet 100a arranged at the bottom of the liquid containing cavity, and an atomization controller arranged in the shell and positioned outside the liquid containing cavity, wherein the atomization sheet 100a is used for carrying out ultrasonic atomization on liquid in the liquid containing cavity. As shown in fig. 7 and 8, the atomizing sheet 100a includes a sheet-shaped substrate 3a, a positive electrode 2a disposed on a front side a of the substrate 3a, and a negative electrode 1a disposed on a back side B of the substrate 3a, wherein the positive electrode 2a and the negative electrode 1a are respectively connected to an oscillation circuit of the atomizing controller through signal lines, and the atomizing controller is configured to provide an oscillation signal to the atomizing sheet 100a through the signal lines. The positive electrode 2a is arranged in the central area of the front surface a of the substrate 3a, the front surface a of the substrate 3a is further provided with an energy trap ring 21a, the energy trap ring 21a surrounds the positive electrode 2a, and the energy trap ring 21a is a closed ring body which is continuously arranged in an extending manner. The energy trap ring 21a and the positive electrode 2a have an isolation gap 22a therebetween, but at least one local portion is connected across the isolation gap 22a so as to achieve spatial isolation but not electrical isolation. In the present embodiment, the energy trap ring 21a is provided with a connecting portion 24a, and the connecting portion 24a spans the separation gap 22a and the positive electrode 2 a. The energy trap ring 21a is used for being in electric signal connection with the positive electrode 2a and the atomization controller all the time in the process that the liquid level in the liquid containing cavity changes from high to low so as to play a role in stabilizing the oscillation amplitude of the substrate 3 a.
Further, an avoiding space 23a is formed between the collapsible ring 21a and the edge of the base body 3a, the negative electrode 1a bypasses the side surface of the base body 3a from the back surface B of the base body 3a to reach the avoiding space 23a on the front surface a of the base body 3a, and a signal line of the negative electrode is connected to the negative electrode 11a in the avoiding space 23 a. The energy trap 21a may also be configured, for example, such that the energy trap 21a includes at least two energy trap sections (the structure is the same as the energy trap 21 "shown in fig. 5, and can be understood with reference to fig. 5), which are arranged at intervals, and the energy trap sections are arranged around the positive electrode 2 a; or an open ring (the structure is the same as that of the energy trap 2 shown in fig. 3, and can be understood with reference to fig. 3).
Claims (10)
1. The device capable of stably atomizing in a certain water level range comprises a shell, a liquid containing cavity arranged in the shell, an ultrasonic atomizing sheet arranged at the bottom of the liquid containing cavity, and an atomizing controller arranged in the shell and positioned outside the liquid containing cavity, wherein the atomizing sheet is used for ultrasonically atomizing liquid in the liquid containing cavity, the atomizing sheet comprises a sheet-shaped base body, a positive electrode arranged on the front side of the base body and a negative electrode arranged on the back side of the base body, the positive electrode and the negative electrode are respectively connected to an oscillation loop of the atomizing controller through signal wires, and the atomizing controller is used for providing oscillation signals to the atomizing sheet through the signal wires; the liquid level in the liquid containing cavity is not connected with the positive electrode or the atomization controller through electric signals so as to play a role in stabilizing the oscillation amplitude of the base body.
2. The device of claim 1, wherein the collapsible ring comprises at least two spaced apart collapsible segments disposed around the positive electrode.
3. The device of claim 1, wherein the collapsible ring is a closed ring body extending continuously.
4. A device capable of stable atomization at a range of water levels as in claim 1, wherein the collapsible ring is an open annular ring.
5. The device capable of stably atomizing under a certain water level range according to any one of claims 1 to 4, wherein an avoidance space is formed between the collapsible ring and the edge of the base body, the negative electrode bypasses the side surface of the base body from the back surface of the base body to reach the avoidance space on the front surface of the base body, and a signal line of the negative electrode is connected to the negative electrode in the avoidance space.
6. The device capable of stably atomizing in a certain water level range comprises a shell, a liquid containing cavity arranged in the shell, an ultrasonic atomizing sheet arranged at the bottom of the liquid containing cavity, and an atomizing controller arranged in the shell and positioned outside the liquid containing cavity, wherein the atomizing sheet is used for ultrasonically atomizing liquid in the liquid containing cavity, the atomizing sheet comprises a sheet-shaped base body, a positive electrode arranged on the front side of the base body and a negative electrode arranged on the back side of the base body, the positive electrode and the negative electrode are respectively connected to an oscillation loop of the atomizing controller through signal wires, and the atomizing controller is used for providing oscillation signals to the atomizing sheet through the signal wires; the liquid level in the liquid containing cavity is electrically connected with the positive electrode and the atomization controller all the time in the process of changing from high to low, so that the oscillation amplitude of the base body is stabilized.
7. The device of claim 6, wherein the collapsible ring comprises at least two spaced collapsible segments disposed around the positive electrode.
8. The device of claim 6, wherein the collapsible ring is a closed ring body extending continuously.
9. A device capable of stable atomization at a range of water levels as in claim 6, wherein the collapsible ring is an open annular ring.
10. The device capable of stably atomizing under a certain water level range according to any one of claims 6 to 9, wherein an avoidance space is provided between the collapsible ring and the edge of the base body, the negative electrode bypasses the side surface of the base body from the back surface of the base body to reach the avoidance space on the front surface of the base body, and a signal line of the negative electrode is connected to the negative electrode in the avoidance space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921934343.XU CN211514997U (en) | 2019-11-11 | 2019-11-11 | Device capable of stably atomizing in certain water level range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921934343.XU CN211514997U (en) | 2019-11-11 | 2019-11-11 | Device capable of stably atomizing in certain water level range |
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| Publication Number | Publication Date |
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| CN211514997U true CN211514997U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921934343.XU Active CN211514997U (en) | 2019-11-11 | 2019-11-11 | Device capable of stably atomizing in certain water level range |
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| CN (1) | CN211514997U (en) |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230802 Address after: 528200 No. 13, Keyun North Road, zone B, Shishan Science and Technology Industrial Park, Shishan town, Nanhai District, Foshan City, Guangdong Province (production workshop I and production workshop II) Patentee after: FOSHAN NANHAI KERI ELECTRONIC Co.,Ltd. Address before: 528200 floor 1, No. 13, Keyun North Road, zone B, Shishan Science and Technology Industrial Park, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee before: FOSHAN KERI PIEZOELECTRIC DEVICES CO.,LTD. |
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| TR01 | Transfer of patent right |