CN217297391U - Electrolytic water switch device based on capacitance induction detection water flow - Google Patents
Electrolytic water switch device based on capacitance induction detection water flow Download PDFInfo
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- CN217297391U CN217297391U CN202123137813.XU CN202123137813U CN217297391U CN 217297391 U CN217297391 U CN 217297391U CN 202123137813 U CN202123137813 U CN 202123137813U CN 217297391 U CN217297391 U CN 217297391U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Abstract
The utility model discloses an electrolytic water switch device for detecting water flow based on capacitance induction, which comprises a capacitance induction mechanism, a level detection mechanism, an electrolytic switch mechanism, an electrolytic water mechanism, a voltage conversion mechanism, a power supply mechanism and a control mechanism; the capacitance sensing mechanism is arranged in water to be detected, and the level detection mechanism is electrically connected with the capacitance sensing mechanism; the input end of the voltage conversion mechanism is electrically connected with the input end of the electrolysis switch mechanism and the power supply mechanism, the output end of the voltage conversion mechanism is electrically connected with the control mechanism and the level detection mechanism, the control end of the electrolysis switch mechanism and the level detection mechanism are respectively electrically connected with the control mechanism, and the output end of the electrolysis switch mechanism is electrically connected with the water electrolysis mechanism. Adopt the utility model discloses, can solve the problem that current electrolytic circuit circular telegram burns out easily, have the cost lower, the good reliability and make things convenient for the advantage that customer's operation used.
Description
Technical Field
The utility model relates to a dentistry field especially relates to an electrolytic water switching device based on electric capacity response detects rivers and flows.
Background
The dental integrated treatment chair is common equipment in dental diagnosis and treatment operations, the pollution of a waterway of a dental integrated treatment table is considered to be one of important ways for causing dental cross infection, and a method for intermittently and periodically or continuously disinfecting the waterway by using a chemical disinfectant, a bactericide or a cleaning agent can control a biological membrane and improve the water quality to a certain extent.
The method for generating hypochlorous acid by electrolysis is more convenient, and can quickly kill various bacteria, viruses, fungi and other microorganisms in a broad spectrum by depending on the oxidability of the hypochlorous acid, so that the biomembrane on the inner wall of the water channel is thoroughly clear. The hypochlorous acid generated by electrolysis is nontoxic and harmless to human body, can be completely degraded after sterilization, and has no residue, corrosion or pungent smell. The use of the electrolysis circuit has certain limitations, namely the electrolysis circuit can be electrified in flowing water, and the electrolysis circuit is easy to burn out when the electrolysis circuit is electrified in static water. Therefore, a device for identifying whether water flows in the waterway is necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a detect electrolysis water switching device that rivers flow based on electric capacity response is provided, can solve the problem that current electrolytic circuit circular telegram burns out easily, have the advantage that the cost is lower, the good reliability and make things convenient for customer operation to use.
In order to solve the technical problem, the utility model provides an electrolytic water switch device for detecting water flow based on capacitance induction, which comprises a capacitance induction mechanism, a level detection mechanism, an electrolytic switch mechanism, an electrolytic water mechanism, a voltage conversion mechanism, a power supply mechanism and a control mechanism; the capacitance sensing mechanism is arranged in water to be detected, and the level detection mechanism is electrically connected with the capacitance sensing mechanism; the input end of the voltage conversion mechanism is electrically connected with the input end of the electrolysis switch mechanism and the power supply mechanism, the output end of the voltage conversion mechanism is electrically connected with the control mechanism and the level detection mechanism, the control end of the electrolysis switch mechanism and the level detection mechanism are respectively electrically connected with the control mechanism, and the output end of the electrolysis switch mechanism is electrically connected with the water electrolysis mechanism.
Preferably, the capacitive sensing mechanism is a touch spring.
Preferably, the level detection mechanism comprises a level detection module, a first current limiting module, a second current limiting module, a first filtering module and a second filtering module; the detection end of the level detection module is electrically connected with the capacitance sensing mechanism; the power supply end of the level detection module is electrically connected with the output end of the voltage conversion mechanism through the first current limiting module and is grounded through the first filtering module; the output end of the level detection module is electrically connected with the control mechanism through the second current limiting module and is grounded through the second filtering module.
Preferably, the electrolysis switching mechanism comprises a first switching module, a third current limiting module, a fourth current limiting module, a third filtering module and a fourth filtering module; the output end of the first switch module is the output end of the electrolysis switch mechanism; one end of the third current limiting module is the input end of the electrolytic switching mechanism and is grounded through the third filtering module, and the other end of the third current limiting module is connected with the input end of the first switching module; one end of the fourth current limiting module is the control end of the electrolysis switch mechanism and is grounded through the fourth filtering module, and the other end of the fourth current limiting module is connected with the control end of the first switch module.
Preferably, the voltage conversion mechanism comprises a first voltage conversion module, a fifth filtering module and a sixth filtering module; the input end of the first voltage conversion module is the input end of the first voltage conversion mechanism and is grounded through the fifth filtering module; the output end of the first voltage conversion module is the output end of the first voltage conversion mechanism and is grounded through the sixth filtering module.
Preferably, the power supply mechanism comprises a first power supply module, a second voltage conversion module, a power supply conversion module and a second power supply module; the power supply conversion module comprises a first switch unit, a first current limiting unit, a second current limiting unit, a first filtering unit and a second filtering unit, wherein the input end of the first switch unit is electrically connected with the second power supply module through the first current limiting unit and sequentially connected with the first current limiting unit and the first filtering unit in a grounding mode, the control end of the first switch unit is electrically connected with the output end of the second voltage conversion module and the first switch unit through the second current limiting unit and sequentially connected with the second current limiting unit and the second filtering unit in a grounding mode, and the output end of the first switch unit is electrically connected with the input end of the voltage conversion mechanism.
Preferably, the second power supply module includes a power supply unit, a voltage detection unit, a charging switch unit, a third current limiting unit, a fourth current limiting unit, a third filtering unit, and a fourth filtering unit; one end of the voltage detection unit and one end of the third current-limiting unit are electrically connected with the control mechanism respectively, the other end of the voltage detection unit and the power supply conversion module are electrically connected with the power supply unit, the other end of the third current-limiting unit is electrically connected with the control end of the charging switch unit, the input end of the charging switch unit is connected with the output end of the second voltage conversion module through the fourth current-limiting unit and the output end of the second voltage conversion module through electrically connected and sequentially connected with the fourth current-limiting unit and the third filtering unit, and the output end of the charging switch unit is connected with the charging end of the power supply unit through the fourth filtering unit.
Preferably, the second voltage conversion module is an ac-to-dc adapter.
Preferably, the electrolytic water switch device for detecting water flow based on capacitance induction further comprises an indicating mechanism, wherein the indicating mechanism comprises an indicator lamp module, a second switch module, a fifth current limiting module, a sixth current limiting module and a seventh filtering module; the input end of the second switch module is electrically connected with the output end of the voltage conversion mechanism through the fifth current limiting module and is grounded through the fifth current limiting module and the seventh filtering module in sequence, the control end of the second switch module is electrically connected with the control mechanism through the sixth current limiting module, and the output end of the second switch module is grounded through the indicator lamp module.
Preferably, the electrolyzed water switch device for detecting water flow based on capacitance induction further comprises a wireless communication mechanism, and the wireless communication mechanism is electrically connected with the output end of the voltage conversion mechanism and the control mechanism.
Implement the utility model has the advantages that:
the utility model discloses, electric capacity response mechanism locates the aquatic of waiting to detect, level detection mechanism with electric capacity response mechanism electric connection; the input end of the voltage conversion mechanism is electrically connected with the input end of the electrolysis switch mechanism and the power supply mechanism, the output end of the voltage conversion mechanism is electrically connected with the control mechanism and the level detection mechanism, the control end of the electrolysis switch mechanism and the level detection mechanism are respectively electrically connected with the control mechanism, and the output end of the electrolysis switch mechanism is electrically connected with the water electrolysis mechanism. The utility model can solve the problem that the existing electrolytic circuit is easy to burn out when being electrified, and has the advantages of low cost, strong reliability and convenient operation and use by customers; the flow state of water is monitored by the capacitance sensing mechanism and the level detection mechanism, and the control mechanism controls the on-off state of the electrolysis switch mechanism according to the flow state of the water, so as to control the running state of the electrolysis water mechanism.
Drawings
FIG. 1 is a schematic block diagram of an electrolytic water switch device for detecting water flow based on capacitive sensing;
fig. 2 is a schematic block diagram of a level detection mechanism provided by the present invention;
FIG. 3 is a schematic block diagram of an electrolytic switching mechanism provided by the present invention;
fig. 4 is a schematic block diagram of a voltage conversion mechanism provided by the present invention;
fig. 5 is a schematic structural diagram of a power supply mechanism provided by the present invention;
fig. 6 is a schematic block diagram of a second power supply module provided by the present invention;
fig. 7 is a schematic block diagram of an indication mechanism provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.
As shown in fig. 1, the utility model provides an electrolytic water switch device for detecting water flow based on capacitance induction, which comprises a capacitance induction mechanism 1, a level detection mechanism 2, an electrolytic switch mechanism 3, an electrolytic water mechanism 7, a voltage conversion mechanism 4, a power supply mechanism 5 and a control mechanism 8; the capacitance sensing mechanism 1 is arranged in water to be detected, and the level detection mechanism 2 is electrically connected with the capacitance sensing mechanism 1; the input end of the voltage conversion mechanism 4 is electrically connected with the input end of the electrolysis switch mechanism 3 and the power supply mechanism 5, the output end of the voltage conversion mechanism 4 is electrically connected with the control mechanism 8 and the level detection mechanism 2, the control end of the electrolysis switch mechanism 3 and the level detection mechanism 2 are respectively electrically connected with the control mechanism 8, and the output end of the electrolysis switch mechanism 3 is electrically connected with the electrolyzed water mechanism 7.
It should be noted that the control mechanism 8 is a single chip, but is not limited thereto; the singlechip integrates various components such as an arithmetic unit, a controller, a memory, an input/output device and the like, and realizes various functions such as signal processing, data storage and the like. For example, an arithmetic unit includes a large number of comparison circuits, and can perform logical operation processing on a received signal instruction.
In the utility model, the capacitance sensing mechanism 1 is arranged in the water to be detected, and the level detection mechanism 2 is electrically connected with the capacitance sensing mechanism 1; the input end of the voltage conversion mechanism 4 is electrically connected with the input end of the electrolysis switch mechanism 3 and the power supply mechanism 5, the output end of the voltage conversion mechanism 4 is electrically connected with the control mechanism 8 and the level detection mechanism 2, the control end of the electrolysis switch mechanism 3 and the level detection mechanism 2 are respectively electrically connected with the control mechanism 8, and the output end of the electrolysis switch mechanism 3 is electrically connected with the electrolyzed water mechanism 7. The utility model can solve the problem that the existing electrolytic circuit is easy to burn out when being electrified, and has the advantages of low cost, strong reliability and convenient operation and use by customers; the flow state of water is monitored by the capacitance sensing mechanism 1 and the level detection mechanism 2, and the control mechanism controls the on-off state of the electrolysis switch mechanism 3 according to the flow state of water, so as to control the running state of the electrolysis water mechanism.
Preferably, the capacitive sensing mechanism is a touch spring.
In this embodiment, the touch spring is identified by using the principle of capacitance sensing, in which static water and flowing water have different capacitance sensing. When the water is static, the touch spring detection circuit obtains a high level; when water is flowing, the touch spring detection circuit gets a low level.
As shown in fig. 2, the level detection mechanism 2 includes a level detection module 21, a first current limiting module 22, a second current limiting module 23, a first filtering module 24, and a second filtering module 25; the detection end of the level detection module 21 is electrically connected with the capacitance sensing mechanism 1; the power supply end of the level detection module 21 is electrically connected with the output end of the voltage conversion mechanism 4 through the first current limiting module 22 and is grounded through the first filtering module 24; the output end of the level detection module 21 is electrically connected to the control mechanism 8 through the second current limiting module 23 and is grounded through the second filtering module 25.
It should be noted that, in this embodiment, the level detection module 21 is used to monitor the level, the first current limiting module 22 and the second current limiting module 23 are used to limit the current to avoid burning out the level detection module 21, and the first filtering module 24 and the second filtering module 25 are used to filter noise in the circuit to improve the stability of the circuit.
As shown in fig. 3, the electrolysis switching mechanism 3 includes a first switching module 31, a third current limiting module 32, a fourth current limiting module 33, a third filtering module 34, and a fourth filtering module 35; the output end of the first switch module 31 is the output end of the electrolysis switch mechanism 3; one end of the third current limiting module 32 is an input end of the electrolytic switching mechanism 3 and is grounded through the third filtering module 34, and the other end of the third current limiting module 32 is connected with an input end of the first switching module 31; one end of the fourth current limiting module 33 is a control end of the electrolytic switching mechanism 3 and is grounded through the fourth filtering module 35, and the other end of the fourth current limiting module 33 is connected with a control end of the first switching module 31.
It should be noted that, in this embodiment, the on-off state of the electrolytic switching mechanism is controlled by controlling the on-off state of the first switching module, the third current limiting module 32 and the fourth current limiting module 33 are used to limit current to avoid burning out the first switching module 31, and meanwhile, the third filtering module 34 and the fourth filtering module 35 are used to filter noise in the circuit to improve the stability of the circuit.
As shown in fig. 4, the voltage conversion mechanism 4 includes a first voltage conversion module 41, a fifth filtering module 42 and a sixth filtering module 43; the input end of the first voltage conversion module 41 is the input end of the first voltage conversion mechanism 4 and is grounded through the fifth filtering module 42; the output terminal of the first voltage conversion module 41 is the output terminal of the first voltage conversion mechanism 4 and is grounded through the sixth filtering module 43.
In this embodiment, the first voltage conversion module 41 converts the working voltage to obtain a working voltage suitable for each mechanism, and the fifth filtering module 42 and the sixth filtering module 43 filter noise in the circuit to improve the stability of power supply.
As shown in fig. 5, the power supply mechanism 5 includes a first power supply module 51, a second voltage conversion module 52, a power supply conversion module 53, and a second power supply module 54; the power supply conversion module 53 includes a first switch unit 531, a first current limiting unit 532, a second current limiting unit 533, a first filtering unit 534 and a second filtering unit 535, an input end of the first switch unit 531 is electrically connected to the second power supply module 54 through the first current limiting unit 532 and is grounded sequentially through the first current limiting unit 532 and the first filtering unit 534, a control end of the first switch unit 531 is electrically connected to output ends of the second voltage conversion module 52 and the first switch unit 531 through the second current limiting unit 533 and is grounded sequentially through the second current limiting unit 533 and the second filtering unit 535, and an output end of the first switch unit 531 is electrically connected to an input end of the voltage conversion mechanism 4.
It should be noted that, in this embodiment, the first power supply module is a commercial power supply device, and the second power supply module is a storage battery device, but is not limited thereto; when the first power supply module has a power failure, the first switch unit 531 is in a conducting state, and at this time, the second power supply module supplies power to each subsequent mechanism; when the first power supply module supplies power normally, the first switch unit 531 is in a cut-off state, and at this time, each subsequent mechanism is supplied with power through the first power supply module and the second voltage conversion module 52, so that the condition that the mechanism cannot be used due to power failure is avoided, and the stability of the product is improved.
As shown in fig. 6, the second power supply module 54 includes a power supply unit 541, a voltage detection unit 542, a charging switch unit 543, a third current limiting unit 544, a fourth current limiting unit 545, a third filtering unit 546, and a fourth filtering unit 547; one end of the voltage detection unit 542 and one end of the third current limiting unit 544 are electrically connected to the control mechanism 8, the other end of the voltage detection unit 542 and the power supply conversion module 53 are electrically connected to the power supply unit 541, the other end of the third current limiting unit 544 is electrically connected to the control terminal of the charge switch unit 543, the input terminal of the charge switch unit 543 is electrically connected to the output terminal of the second voltage conversion module 52 through the fourth current limiting unit 545 and is grounded through the fourth current limiting unit 545 and the third filtering unit 546 in sequence, and the output terminal of the charge switch unit 543 is electrically connected to the charging terminal of the power supply unit 541 and is grounded through the fourth filtering unit 547.
It should be noted that the second voltage conversion module 52 is an ac-to-dc adapter, in this embodiment, the voltage detection unit 542 is used to monitor the remaining power of the power supply unit in real time, and when the remaining power is smaller than a preset power, the charging switch unit is turned on, and the first power supply module and the second voltage conversion module charge the power supply unit to ensure the cruising ability of the power supply unit; the current is limited by the third current limiting unit 544 and the fourth current limiting unit 545 to avoid burning out the charging switch unit 543, and noise in the circuit is filtered by the third filtering unit 546 and the fourth filtering unit 547 to improve the stability of the circuit.
As shown in fig. 7, the electrolyzed water switching apparatus for detecting water flow based on capacitive sensing further includes an indication mechanism 9 (not labeled), which includes an indicator light module 61, a second switch module 62, a fifth current limiting module 63, a sixth current limiting module 64, and a seventh filtering module 65; the input end of the second switch module 62 is electrically connected to the output end of the voltage conversion mechanism 4 through the fifth current limiting module 63 and is grounded sequentially through the fifth current limiting module 63 and the seventh filtering module 65, the control end of the second switch module 62 is electrically connected to the control mechanism 8 through the sixth current limiting module 64, and the output end of the second switch module 62 is grounded through the indicator light module 61.
It should be noted that in this embodiment, the operating state of the indicator light module 61 is controlled by controlling the on/off state of the second switch module 62, and current is limited by the fifth current limiting module 63 and the sixth current limiting module 64 to avoid burning out the second switch module 62 and the indicator light module 61, and noise in the circuit is filtered by the seventh filtering module 65 to improve the stability of the circuit.
Preferably, the electrolyzed water switch device for detecting water flow based on capacitance induction further comprises a wireless communication mechanism (not marked), and the wireless communication mechanism is electrically connected with the output end of the voltage conversion mechanism and the control mechanism.
It should be noted that, in this embodiment, the user can be at the customer ends such as cell-phone via wireless communication mechanism with control mechanism establishes communication connection, thereby can be long-range right the utility model discloses the product is monitored to can in time handle proruption situation.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. An electrolytic water switch device for detecting water flow based on capacitance induction is characterized by comprising a capacitance induction mechanism, a level detection mechanism, an electrolytic switch mechanism, an electrolytic water mechanism, a voltage conversion mechanism, a power supply mechanism and a control mechanism;
the capacitance sensing mechanism is arranged in water to be detected, and the level detection mechanism is electrically connected with the capacitance sensing mechanism;
the input end of the voltage conversion mechanism is electrically connected with the input end of the electrolysis switch mechanism and the power supply mechanism, the output end of the voltage conversion mechanism is electrically connected with the control mechanism and the level detection mechanism, the control end of the electrolysis switch mechanism and the level detection mechanism are respectively electrically connected with the control mechanism, and the output end of the electrolysis switch mechanism is electrically connected with the water electrolysis mechanism.
2. The electrolytic water switching device for sensing water flow based on capacitive sensing of claim 1 wherein the capacitive sensing mechanism is a touch spring.
3. The electrolytic water switching device for capacitive-based inductive sensing of water flow of claim 1 wherein said level detection mechanism comprises a level detection module, a first current limiting module, a second current limiting module, a first filtering module, and a second filtering module;
the detection end of the level detection module is electrically connected with the capacitance sensing mechanism;
the power supply end of the level detection module is electrically connected with the output end of the voltage conversion mechanism through the first current limiting module and is grounded through the first filtering module;
the output end of the level detection module is electrically connected with the control mechanism through the second current limiting module and is grounded through the second filtering module.
4. The electrolytic water switching device for capacitive-based inductive sensing of water flow according to claim 1 wherein the electrolytic switching mechanism includes a first switching module, a third current limiting module, a fourth current limiting module, a third filtering module, and a fourth filtering module;
the output end of the first switch module is the output end of the electrolysis switch mechanism;
one end of the third current limiting module is the input end of the electrolytic switching mechanism and is grounded through the third filtering module, and the other end of the third current limiting module is the input end of the first switching module;
one end of the fourth current limiting module is the control end of the electrolysis switch mechanism and is grounded through the fourth filtering module, and the other end of the fourth current limiting module is the control end of the first switch module.
5. The electrolyzed water switching apparatus based on capacitive sensing for detecting water flow of claim 1, wherein the voltage conversion mechanism comprises a first voltage conversion module, a fifth filter module, and a sixth filter module;
the input end of the first voltage conversion module is the input end of the first voltage conversion mechanism and is grounded through the fifth filtering module;
the output end of the first voltage conversion module is the output end of the first voltage conversion mechanism and is grounded through the sixth filtering module.
6. The electrolytic water switching device for detecting water flow based on capacitive sensing of claim 1, wherein the power supply mechanism comprises a first power supply module, a second voltage conversion module, a power supply conversion module, and a second power supply module;
the power supply conversion module comprises a first switch unit, a first current limiting unit, a second current limiting unit, a first filtering unit and a second filtering unit, wherein the input end of the first switch unit is electrically connected with the second power supply module through the first current limiting unit and sequentially connected with the first current limiting unit and the first filtering unit in a grounding mode, the control end of the first switch unit is electrically connected with the output ends of the second voltage conversion module and the first switch unit through the second current limiting unit and sequentially connected with the second current limiting unit and the second filtering unit in a grounding mode, and the output end of the first switch unit is electrically connected with the input end of the voltage conversion mechanism.
7. The electrolyzed water switching apparatus based on capacitive sensing for detecting water flow of claim 6, wherein the second power module comprises a power supply unit, a voltage detection unit, a charge switch unit, a third current limit unit, a fourth current limit unit, a third filtering unit and a fourth filtering unit;
one end of the voltage detection unit and one end of the third current-limiting unit are electrically connected with the control mechanism respectively, the other end of the voltage detection unit and the power supply conversion module are electrically connected with the power supply unit, the other end of the third current-limiting unit is electrically connected with the control end of the charging switch unit, the input end of the charging switch unit is connected with the output end of the second voltage conversion module through the fourth current-limiting unit and the output end of the second voltage conversion module through electrically connected and sequentially connected with the fourth current-limiting unit and the third filtering unit, and the output end of the charging switch unit is connected with the charging end of the power supply unit through the fourth filtering unit.
8. The electrolyzed water switching apparatus based on capacitive sensing for detecting water flow of claim 6, wherein the second voltage conversion module is an AC to DC adapter.
9. The electrolytic water switching device for detecting water flow based on capacitive sensing of any one of claims 1 to 8, further comprising an indication mechanism, wherein the indication mechanism comprises an indicator light module, a second switch module, a fifth current limiting module, a sixth current limiting module and a seventh filtering module;
the input end of the second switch module is electrically connected with the output end of the voltage conversion mechanism through the fifth current limiting module and is grounded through the fifth current limiting module and the seventh filtering module in sequence, the control end of the second switch module is electrically connected with the control mechanism through the sixth current limiting module, and the output end of the second switch module is grounded through the indicator lamp module.
10. The electrolyzed water switching apparatus based on capacitive sensing for detecting water flow according to any of claims 1-8, further comprising a wireless communication mechanism electrically connected to the output of the voltage conversion mechanism and the control mechanism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123137813.XU CN217297391U (en) | 2021-12-14 | 2021-12-14 | Electrolytic water switch device based on capacitance induction detection water flow |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123137813.XU CN217297391U (en) | 2021-12-14 | 2021-12-14 | Electrolytic water switch device based on capacitance induction detection water flow |
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| CN217297391U true CN217297391U (en) | 2022-08-26 |
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| CN202123137813.XU Active CN217297391U (en) | 2021-12-14 | 2021-12-14 | Electrolytic water switch device based on capacitance induction detection water flow |
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