CN215950548U - Water temperature digital display tap based on reed switch - Google Patents
Water temperature digital display tap based on reed switch Download PDFInfo
- Publication number
- CN215950548U CN215950548U CN202121368227.3U CN202121368227U CN215950548U CN 215950548 U CN215950548 U CN 215950548U CN 202121368227 U CN202121368227 U CN 202121368227U CN 215950548 U CN215950548 U CN 215950548U
- Authority
- CN
- China
- Prior art keywords
- module
- electrically connected
- water temperature
- switch
- resistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Domestic Plumbing Installations (AREA)
Abstract
The utility model discloses a water temperature digital display faucet based on a reed switch, which comprises a mechanical valve module, a magnet module, a reed pipe module, a switch module, a control module, a power supply module, a voltage stabilizing module, a water temperature measuring module and a digital display module, wherein the mechanical valve module is connected with the magnet module; the magnet module and the reed pipe module are both arranged inside the mechanical valve module, and the mechanical valve module is used for controlling a waterway switch of the water temperature digital display faucet and driving the magnet module to be close to or far away from the reed pipe module; the control end of the switch module is electrically connected with the reed pipe module, the input end of the switch module is electrically connected with the power supply module, the output end of the switch module is electrically connected with the input end of the voltage stabilizing module, and the control module is electrically connected with the output end of the voltage stabilizing module. By adopting the water temperature digital display faucet, the problems of high power consumption and short service life of the conventional water temperature digital display faucet can be solved.
Description
Technical Field
The utility model relates to the field of bathrooms, in particular to a water temperature digital display faucet based on a reed switch.
Background
Most of the electronic faucets with the pure water temperature digital display function on the market nowadays adopt devices such as electronic keys, hydroelectric generators, water flow switches, flowmeters, electromagnetic valves and the like as switch water flows for sensing, and the modes have either sensing misoperation, or overlarge standby power consumption and high cost, or are influenced by a water path, so that the service life is short.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a water temperature digital display faucet based on a reed switch, which can solve the problems of high power consumption and short service life of the conventional water temperature digital display faucet.
In order to solve the technical problem, the utility model provides a water temperature digital display faucet based on a reed pipe switch, which comprises a mechanical valve module, a magnet module, a reed pipe module, a switch module, a control module, a power supply module, a voltage stabilizing module, a water temperature measuring module and a digital display module; the magnet module and the reed pipe module are both arranged inside the mechanical valve module, and the mechanical valve module is used for controlling a waterway switch of the water temperature digital display faucet and driving the magnet module to be close to or far away from the reed pipe module; the control end of the switch module is electrically connected with the reed pipe module, the input end of the switch module is electrically connected with the power supply module, the output end of the switch module is electrically connected with the input end of the voltage stabilizing module, the water temperature measuring module and the digital display module are both electrically connected with the output end of the voltage stabilizing module and the control module, and the control module is electrically connected with the output end of the voltage stabilizing module; the dry reed pipe module is used for controlling the switch of the switch module.
Preferably, the switch module comprises a reed switch-in terminal, a first switch tube, a first resistor and a second resistor; the reed pipe module is electrically connected with the reed pipe access terminal; one end of the reed switch-in terminal is grounded, and the other end of the reed switch-in terminal is electrically connected with the control end of the first switch tube through the first resistor; the input end of the first switch tube is electrically connected with the power module and is electrically connected with the control end of the first switch tube through the second resistor, and the output end of the first switch tube is electrically connected with the voltage stabilizing module.
Preferably, the power module includes a power supply, a power access terminal, a first filter capacitor, a second filter capacitor, a third filter capacitor, and a filter inductor; the power supply is electrically connected with the power supply access terminal; one end of the power supply access terminal is grounded, the other end of the power supply access terminal is electrically connected with the input end of the first switch tube through the filter inductor, and the other end of the power supply access terminal is grounded through the first filter capacitor; the second filter capacitor and the third filter capacitor are connected with the first filter capacitor in parallel.
Preferably, the water temperature measuring module comprises a water temperature probe, a water temperature probe access terminal, a third resistor, a fourth resistor and a fourth filter capacitor; the water temperature probe is electrically connected with the water temperature probe access terminal; one end of the water temperature probe access terminal is grounded, the other end of the water temperature probe access terminal is electrically connected with the voltage stabilizing module through the third resistor and is electrically connected with the control module through the fourth resistor, and the other end of the water temperature probe access terminal is grounded through the fourth resistor and the fourth filter capacitor in sequence.
Preferably, the digital display module comprises a nixie tube, an LED driving chip and a fifth filter capacitor; the nixie tube is electrically connected with the LED driving chip, the LED driving chip is electrically connected with the control module, and a power supply end of the LED driving chip is electrically connected with the voltage stabilizing module and is grounded through the fifth filter capacitor.
Preferably, the voltage stabilizing module includes a voltage stabilizing chip, a first diode, a sixth filter capacitor and a seventh filter capacitor; the input end and the output end of the voltage stabilizing chip are electrically connected through the first diode, the output end of the voltage stabilizing chip is grounded through the sixth filter capacitor, and the seventh filter capacitor is connected with the sixth filter capacitor in parallel; the input end of the voltage stabilizing chip is electrically connected with the output end of the first switch tube, and the output end of the voltage stabilizing chip is electrically connected with the control module, the water temperature measuring module and the digital display module.
Preferably, the water temperature digital display faucet based on the reed switch further comprises a low-voltage detection module, and the low-voltage detection module comprises a fifth resistor, a sixth resistor and an eighth filter capacitor; one end of the fifth resistor is electrically connected with the voltage stabilizing module, the other end of the fifth resistor is electrically connected with the control module and is grounded through the sixth resistor, and the other end of the fifth resistor is grounded through the eighth filter capacitor.
Preferably, the digital water temperature display faucet based on the reed switch further comprises an LED annular lamp ring, the LED annular lamp ring is arranged on the upper surface of the mechanical valve module and comprises a second switch tube, a seventh resistor, an eighth resistor, a ninth resistor and a plurality of LED lamps, and each LED lamp is connected in parallel; the control end of the second switch tube is electrically connected with the control module through the seventh resistor, the input end of the second switch tube is electrically connected with the voltage stabilizing module through the eighth resistor and the LED lamp in sequence, and the output end of the second switch tube is grounded; the ninth resistor is connected in parallel with the eighth resistor.
Preferably, the mechanical valve module is a pressing mechanical valve module, the pressing mechanical valve module comprises a top button and a pressing valve core, the magnet module is fixedly arranged on the lower surface of the top button, and the reed pipe module is arranged right below the magnet module.
Preferably, the mechanical valve module is a rotary mechanical valve module, the rotary mechanical valve module includes a knob and a rotary valve core, the magnet module is fixedly disposed on a side wall of the knob, and the dry reed pipe module and the magnet module are at the same horizontal height.
The beneficial effects of the implementation of the utility model are as follows:
according to the utility model, the mechanical valve module is used for controlling the waterway switch of the water temperature digital display faucet and driving the magnet module to be close to or far away from the dry reed pipe module, so that the dry reed pipe module is closed or disconnected, and the switch of the switch module is controlled, thereby realizing the on-off of a subsequent power supply circuit. By adopting the water temperature digital display faucet, the problems of high power consumption and short service life of the conventional water temperature digital display faucet can be solved.
Drawings
FIG. 1 is a schematic block diagram of a water temperature digital display faucet based on a reed switch provided by the utility model;
FIG. 2 is a circuit schematic of a control module provided by the present invention;
FIG. 3 is a schematic circuit diagram of the switch module, the power module and the voltage regulator module provided by the present invention;
FIG. 4 is a schematic circuit diagram of a water temperature measuring module provided by the present invention;
FIG. 5 is a schematic circuit diagram of a digital display module according to the present invention;
FIG. 6 is a circuit schematic of a low voltage detection module provided by the present invention;
FIG. 7 is a schematic block diagram of an LED annular light ring provided by the present invention;
FIG. 8 is a schematic structural view of a mechanical valve module provided by the present invention;
fig. 9 is another structural schematic diagram of the mechanical valve module provided by the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the utility model is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the utility model.
As shown in fig. 1, the utility model provides a digital water temperature display faucet based on a reed pipe switch, which comprises a mechanical valve module 7, a magnet module 10, a reed pipe module 11, a switch module 4, a control module 1, a power module 6, a voltage stabilizing module 5, a water temperature measuring module 8 and a digital display module 2; the magnet module 10 and the reed pipe module 11 are both arranged inside the mechanical valve module 7, and the mechanical valve module 7 is used for controlling a waterway switch of the water temperature digital display faucet and driving the magnet module 10 to be close to or far away from the reed pipe module 11; the control end of the switch module 4 is electrically connected with the reed switch module 11, the input end of the switch module 4 is electrically connected with the power module 6, the output end of the switch module 4 is electrically connected with the input end of the voltage stabilizing module 5, the water temperature measuring module 8 and the digital display module 2 are both electrically connected with the output end of the voltage stabilizing module 5 and the control module 1, and the control module 1 is electrically connected with the output end of the voltage stabilizing module 5; the reed switch module 11 is used for controlling the switch of the switch module 4.
According to the utility model, the mechanical valve module 7 is used for controlling a waterway switch of the water temperature digital display faucet and driving the magnet module 10 to be close to or far away from the reed pipe module 11, so that the reed pipe module 11 is connected or disconnected, and the switch of the switch module 4 is controlled, thereby realizing the on-off of a subsequent power supply circuit. By adopting the water temperature digital display faucet, the problems of high power consumption and short service life of the conventional water temperature digital display faucet can be solved.
It should be noted that, as shown in fig. 2, the control module is a single chip, and the single chip integrates a plurality of components such as an arithmetic unit, a controller, a memory, an input/output device, and the like, so as to realize a plurality of 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. Preferably, the single chip microcomputer can adopt a model including but not limited to PIC16FL 15313.
As shown in fig. 3, the switch module 4 preferably includes a reed switch-in terminal S1, a first switch Q2, a first resistor R11 and a second resistor R10; the reed switch module 11 is electrically connected with the reed switch access terminal S1; one end of the reed switch-in terminal S1 is grounded, and the other end is electrically connected with the control end of the first switch tube Q2 through the first resistor R11; the input end of the first switch Q2 is electrically connected to the power module 6 and is electrically connected to the control end of the first switch Q2 through the second resistor R10, and the output end of the first switch Q2 is electrically connected to the voltage stabilizing module 5.
It should be noted that, the first switching tube is a P-channel MOS tube, but is not limited thereto; when the reed switch is closed, the first switch tube is conducted, and when the reed switch is disconnected, the first switch tube is cut off; the first resistor R11 and the second resistor R10 are used for limiting current, and the first switch tube is prevented from being burnt out.
Further, the power module 6 includes a power supply, a power access terminal CN1, a first filter capacitor C1, a second filter capacitor C2, a third filter capacitor C3, and a filter inductor L1; the power supply is electrically connected with the power supply access terminal CN 1; one end of the power access terminal CN1 is grounded, the other end of the power access terminal CN1 is electrically connected to the input end of the first switching tube Q2 through the filter inductor L1, and the other end of the power access terminal CN1 is also grounded through the first filter capacitor C1; the second filter capacitor C2 and the third filter capacitor C3 are connected in parallel with the first filter capacitor C1.
It should be noted that, in this embodiment, the output voltage of the power supply is filtered through the filter capacitor C1, the second filter capacitor C2, the third filter capacitor C3, and the filter inductor L1, so as to improve the stability of power supply.
Preferably, the voltage regulation module 5 includes a voltage regulation chip U3, a first diode D1, a sixth filter capacitor C4, and a seventh filter capacitor C5; the input end and the output end of the voltage-stabilizing chip U3 are electrically connected through the first diode D1, the output end of the voltage-stabilizing chip U3 is grounded through the sixth filter capacitor C4, and the seventh filter capacitor C5 is connected in parallel with the sixth filter capacitor C4; the input end of the voltage stabilizing chip U3 is electrically connected with the output end of the first switch tube Q2, and the output end of the voltage stabilizing chip U3 is electrically connected with the control module 1, the water temperature measuring module 8 and the digital display module 2.
It should be noted that, in this embodiment, a voltage suitable for the subsequent electronic component to work is obtained through the voltage stabilizing chip; noise waves in the circuit are filtered through the sixth filter capacitor C4 and the seventh filter capacitor C5, and the stability of power supply is improved.
As shown in fig. 4, preferably, the water temperature measuring module 8 comprises a water temperature probe, a water temperature probe access terminal CN2, a third resistor R3, a fourth resistor R4 and a fourth filter capacitor C8; the water temperature probe is electrically connected with the water temperature probe access terminal CN 2; one end of the water temperature probe access terminal CN2 is grounded, the other end of the water temperature probe access terminal is electrically connected to the voltage stabilizing module 5 through the third resistor R3 and is electrically connected to the control module 1 through the fourth resistor R4, and the other end of the water temperature probe access terminal is also grounded through the fourth resistor R4 and the fourth filter capacitor C8 in sequence.
It should be noted that, in this embodiment, a water temperature signal is detected by the water temperature probe, and the water temperature signal is input to the control module to obtain a specific temperature value, the third resistor R3 and the fourth resistor R4 are used for voltage division and current limiting, and the fourth filter capacitor C8 is used for filtering out noise waves in the circuit, so as to improve the accuracy of the temperature signal.
As shown in fig. 5, preferably, the digital display module 2 includes a nixie tube LED, an LED driving chip U2 and a fifth filter capacitor C6; the nixie tube LED is electrically connected with the LED driving chip U2, the LED driving chip U2 is electrically connected with the control module 1, and a power supply end of the LED driving chip U2 is electrically connected with the voltage stabilizing module 5 and is grounded through the fifth filter capacitor C6.
The nixie tube LED is an 8-segment 3-bit common cathode nixie tube, and the LED driving chip U2 is TM1652, but is not limited thereto; and the fifth filter capacitor C6 is used for filtering noise waves of the power supply circuit and improving the working stability of the LED driving chip U2.
As shown in fig. 6, preferably, the digital water temperature display faucet based on the reed switch further comprises a low voltage detection module 3, and the low voltage detection module 3 comprises a fifth resistor R5, a sixth resistor R6 and an eighth filter capacitor C9; one end of the fifth resistor R5 is electrically connected to the voltage regulator module 5, the other end of the fifth resistor R5 is electrically connected to the control module 1 and is grounded through the sixth resistor R6, and the other end of the fifth resistor R5 is also grounded through the eighth filter capacitor C9.
It should be noted that, in this embodiment, the voltage value of the power supply is measured through the fifth resistor R5 and the sixth resistor R6, and the measured voltage value is transmitted to the control module, and when the voltage value is smaller than a preset voltage value, a low-power warning is sent to remind a user to replace the power supply in time; and the eighth filter capacitor C9 is used for filtering noise waves in the circuit and improving the accuracy of voltage detection.
As shown in fig. 7, preferably, the digital water temperature display faucet based on the reed switch further comprises an LED annular lamp ring 9, the LED annular lamp ring 9 is arranged on the upper surface of the mechanical valve module 7, and the LED annular lamp ring 9 comprises a second switch tube Q1, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9 and a plurality of LED lamps, and each LED lamp is connected in parallel with the other LED lamp; the control end of the second switching tube Q1 is electrically connected to the control module 1 through the seventh resistor R7, the input end of the second switching tube Q1 is electrically connected to the voltage stabilizing module 5 through the eighth resistor R8 and the LED lamp in sequence, and the output end of the second switching tube Q1 is grounded; the ninth resistor R9 is connected in parallel with the eighth resistor R8.
In this embodiment, the second switch tube is an NPN-type transistor, but is not limited thereto; the on-off state of the LED lamp is controlled by controlling the conduction of the second switch tube; the seventh resistor R7, the eighth resistor R8 and the ninth resistor R9 are used for voltage division and current limiting. The LED annular lamp ring 9 is arranged on the upper surface of the mechanical valve module 7, is used for indicating the working state and has a decorative effect.
As shown in fig. 8, preferably, the mechanical valve module 7 is a pressing mechanical valve module 12, the pressing mechanical valve module 12 includes a top button 121 and a pressing valve core 122, the magnet module 10 is fixedly disposed on a lower surface of the top button 121, and the reed pipe module 11 is disposed right below the magnet module 10.
As shown in fig. 9, preferably, the mechanical valve module 7 is a rotary mechanical valve module 13, the rotary mechanical valve module 13 includes a knob 131 and a rotary valve core 132, the magnet module 10 is fixedly disposed on a side wall of the knob 131, and the reed pipe module 11 and the magnet module 10 are at the same horizontal height.
It should be noted that the product provided by the present invention is suitable for pressing mechanical valves and rotating mechanical valves, but is not limited thereto.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model.
Claims (10)
1. A water temperature digital display faucet based on a reed switch is characterized by comprising a mechanical valve module, a magnet module, a reed switch module, a control module, a power supply module, a voltage stabilizing module, a water temperature measuring module and a digital display module;
the magnet module and the reed pipe module are both arranged inside the mechanical valve module, and the mechanical valve module is used for controlling a waterway switch of the water temperature digital display faucet and driving the magnet module to be close to or far away from the reed pipe module;
the control end of the switch module is electrically connected with the reed pipe module, the input end of the switch module is electrically connected with the power supply module, the output end of the switch module is electrically connected with the input end of the voltage stabilizing module, the water temperature measuring module and the digital display module are both electrically connected with the output end of the voltage stabilizing module and the control module, and the control module is electrically connected with the output end of the voltage stabilizing module;
the dry reed pipe module is used for controlling the switch of the switch module.
2. The digital water temperature display faucet based on the reed switch as in claim 1, wherein the switch module comprises a reed switch-in terminal, a first switch tube, a first resistor and a second resistor;
the reed pipe module is electrically connected with the reed pipe access terminal;
one end of the reed switch-in terminal is grounded, and the other end of the reed switch-in terminal is electrically connected with the control end of the first switch tube through the first resistor;
the input end of the first switch tube is electrically connected with the power module and is electrically connected with the control end of the first switch tube through the second resistor, and the output end of the first switch tube is electrically connected with the voltage stabilizing module.
3. The reed switch-based digital water temperature display faucet of claim 2, wherein the power module comprises a power supply, a power access terminal, a first filter capacitor, a second filter capacitor, a third filter capacitor and a filter inductor;
the power supply is electrically connected with the power supply access terminal;
one end of the power supply access terminal is grounded, the other end of the power supply access terminal is electrically connected with the input end of the first switch tube through the filter inductor, and the other end of the power supply access terminal is grounded through the first filter capacitor;
the second filter capacitor and the third filter capacitor are connected with the first filter capacitor in parallel.
4. The reed switch-based digital water temperature display faucet of claim 3, wherein the water temperature measuring module comprises a water temperature probe, a water temperature probe access terminal, a third resistor, a fourth resistor and a fourth filter capacitor;
the water temperature probe is electrically connected with the water temperature probe access terminal;
one end of the water temperature probe access terminal is grounded, the other end of the water temperature probe access terminal is electrically connected with the voltage stabilizing module through the third resistor and is electrically connected with the control module through the fourth resistor, and the other end of the water temperature probe access terminal is grounded through the fourth resistor and the fourth filter capacitor in sequence.
5. The reed pipe switch-based digital display faucet for water temperature according to claim 3, wherein the digital display module comprises a digital pipe, an LED driving chip and a fifth filter capacitor;
the nixie tube is electrically connected with the LED driving chip, the LED driving chip is electrically connected with the control module, and a power supply end of the LED driving chip is electrically connected with the voltage stabilizing module and is grounded through the fifth filter capacitor.
6. The reed switch-based digital water temperature display faucet of claim 3, wherein the voltage stabilizing module comprises a voltage stabilizing chip, a first diode, a sixth filter capacitor and a seventh filter capacitor;
the input end and the output end of the voltage stabilizing chip are electrically connected through the first diode, the output end of the voltage stabilizing chip is grounded through the sixth filter capacitor, and the seventh filter capacitor is connected with the sixth filter capacitor in parallel;
the input end of the voltage stabilizing chip is electrically connected with the output end of the first switch tube, and the output end of the voltage stabilizing chip is electrically connected with the control module, the water temperature measuring module and the digital display module.
7. The reed switch-based digital water temperature display faucet of claim 3, further comprising a low voltage detection module, wherein the low voltage detection module comprises a fifth resistor, a sixth resistor and an eighth filter capacitor;
one end of the fifth resistor is electrically connected with the voltage stabilizing module, the other end of the fifth resistor is electrically connected with the control module and is grounded through the sixth resistor, and the other end of the fifth resistor is grounded through the eighth filter capacitor.
8. The reed switch-based digital water temperature display faucet of claim 3, further comprising an LED annular lamp ring, wherein the LED annular lamp ring is arranged on the upper surface of the mechanical valve module, the LED annular lamp ring comprises a second switch tube, a seventh resistor, an eighth resistor, a ninth resistor and a plurality of LED lamps, and each LED lamp is connected in parallel with each other;
the control end of the second switch tube is electrically connected with the control module through the seventh resistor, the input end of the second switch tube is electrically connected with the voltage stabilizing module through the eighth resistor and the LED lamp in sequence, and the output end of the second switch tube is grounded;
the ninth resistor is connected in parallel with the eighth resistor.
9. The digital display faucet of water temperature based on the reed pipe switch according to any one of claims 1 to 8, wherein the mechanical valve module is a pressing mechanical valve module, the pressing mechanical valve module comprises a top button and a pressing valve core, the magnet module is fixedly arranged on the lower surface of the top button, and the reed pipe module is arranged right below the magnet module.
10. The digital display faucet of water temperature based on reed pipe switch of any one of claims 1 to 8, wherein the mechanical valve module is a rotary mechanical valve module, the rotary mechanical valve module comprises a knob and a rotary valve core, the magnet module is fixedly arranged on a side wall of the knob, and the reed pipe module and the magnet module are at the same horizontal height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121368227.3U CN215950548U (en) | 2021-06-18 | 2021-06-18 | Water temperature digital display tap based on reed switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121368227.3U CN215950548U (en) | 2021-06-18 | 2021-06-18 | Water temperature digital display tap based on reed switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215950548U true CN215950548U (en) | 2022-03-04 |
Family
ID=80565618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121368227.3U Active CN215950548U (en) | 2021-06-18 | 2021-06-18 | Water temperature digital display tap based on reed switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215950548U (en) |
-
2021
- 2021-06-18 CN CN202121368227.3U patent/CN215950548U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201474007U (en) | E-intelligent touch control water faucet | |
| CN103697212A (en) | Universal capacitive-type touch induction switch assembly for faucets | |
| CN101542033B (en) | Generation of an idle mode signal for an electrical control device | |
| CN215950548U (en) | Water temperature digital display tap based on reed switch | |
| US20180364087A1 (en) | Fluid signaling device | |
| CN208952434U (en) | A kind of temperature control system of shower bath | |
| CN103324108B (en) | One is used for realizing single-chip microcomputer intermittently used and controls device | |
| CN211554713U (en) | Environment-friendly instrument controller based on single chip microcomputer | |
| CN210716253U (en) | Switching structure and play tap that electron goes out water and machinery goes out water | |
| CN209725389U (en) | Intelligent tap circuit control device | |
| CN212839668U (en) | Touch control type faucet control box | |
| CN204103452U (en) | A kind of thermometric energy-saving circuit | |
| US20200109794A1 (en) | Touch-sensitive faucet and method for controlling same | |
| CN213745157U (en) | Double-outlet tap switch state detection circuit and control device | |
| CN216131423U (en) | Multifunctional shower faucet | |
| CN109448341A (en) | Gas pipeline valve ahead of gas stove is forgotten to close alarm set | |
| CN216428441U (en) | Non-contact multifunctional faucet with soap liquid induction function | |
| CN208887230U (en) | Water-level control circuit and the refrigeration equipment for installing the water-level control circuit | |
| CN109737231B (en) | Intelligent tap circuit control device | |
| CN219782287U (en) | Quick heating pipeline water dispenser | |
| CN104423293A (en) | Self-timing power switch | |
| CN220040999U (en) | Wire control induction sanitary appliance and control circuit | |
| CN219796282U (en) | Drinking water heating tap with water yield controlled by stepping motor | |
| CN2508433Y (en) | Real time leakage protection safety socket capable of discriminating between peak and valley power supply | |
| CN212658987U (en) | Electric valve control circuit of flow measurement and control instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |