CN108561615B - Faucet with rotary handle without mechanical contact - Google Patents
Faucet with rotary handle without mechanical contact Download PDFInfo
- Publication number
- CN108561615B CN108561615B CN201810353737.XA CN201810353737A CN108561615B CN 108561615 B CN108561615 B CN 108561615B CN 201810353737 A CN201810353737 A CN 201810353737A CN 108561615 B CN108561615 B CN 108561615B
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- Prior art keywords
- rotary handle
- faucet
- magnet
- electromagnetic valve
- switch
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 152
- 239000011324 bead Substances 0.000 claims description 40
- 230000006698 induction Effects 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 25
- 239000003990 capacitor Substances 0.000 description 5
- 230000000087 stabilizing effect Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/10—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid with additional mechanism between armature and closure member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
- F16K31/605—Handles for single handle mixing valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/16—Means to prevent accidental or unauthorised actuation with locking member actuated by magnet
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/411—Water saving techniques at user level
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Domestic Plumbing Installations (AREA)
Abstract
The invention discloses a faucet with a rotary handle without mechanical contact, which comprises: the electromagnetic valve is arranged on a pipeline of the faucet; a rotary handle, wherein a Hall switch which rotates synchronously with the rotary handle is arranged in a shell of the rotary handle, and the Hall switch is far away from a rotary shaft of the rotary handle; a magnet fixedly arranged at a distance from a rotation axis of the rotation handle; wherein the solenoid valve is opened when the hall switch is rotated to be close to the magnet, and is closed when the hall switch is rotated to be far away from the magnet. The invention has the advantages of solving the problems of water leakage, inconvenient use of the infrared ray faucet and the like after the traditional faucet is used for a long time.
Description
Technical Field
The invention relates to the field of kitchen and toilet articles. More particularly, the present invention relates to a faucet having a rotary handle without mechanical contacts.
Background
Most of the existing water taps in the market are in a traditional mechanical control mode, the water tap in the traditional mechanical control mode realizes the control of the water flow through manual rotation of a tap handle, valve cores of the water tap are connected with the tap handle, after long-time use, the valve cores of the water tap have the problems of mechanical abrasion and the like, the water tap is easy to be closed or leaked, and the water leakage is not only leaked from a water outlet of the water tap, but also possibly leaked from between the valve cores and the tap handle, although the existing improved infrared sensing water tap is available, the infrared sensing water tap is limited by a control angle, the water tap cannot be sensed slightly due to deviation, and meanwhile, the water tap is also influenced by external environment light, the sensing distance under strong light is shortened, misoperation is easy to occur, and the infrared sensing water tap is required to be opened with a sensing window, so that the overall appearance of the water tap is influenced.
Disclosure of Invention
It is an object of the present invention to solve at least the above problems and to provide at least the advantages to be described later.
Still another object of the present invention is to provide a faucet with a mechanical contact-free rotary handle that overcomes the problems of water leakage and inconvenience of use of an infrared faucet after a conventional faucet is used for a long time.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a faucet having a rotary handle without mechanical contacts, comprising:
the electromagnetic valve is arranged on a pipeline of the faucet;
a rotary handle, wherein a Hall switch which rotates synchronously with the rotary handle is arranged in a shell of the rotary handle, and the Hall switch is far away from a rotary shaft of the rotary handle;
a magnet fixedly arranged at a distance from a rotation axis of the rotation handle;
wherein the solenoid valve is opened when the hall switch is rotated to be close to the magnet, and is closed when the hall switch is rotated to be far away from the magnet.
Preferably, the shell of the rotary handle is a cylinder with one end closed, a touch switch is arranged in the shell of the rotary handle, and the sensing surface of the touch switch is the closed end of the shell of the rotary handle;
when the touch switch is touched for the first time and the Hall switch is screwed close to the magnet, the electromagnetic valve is opened, and when the touch switch is touched again, the electromagnetic valve is closed.
Preferably, the two electromagnetic valves are arranged, wherein the water inlet of one electromagnetic valve is communicated with the hot water inlet pipe, the water inlet of the other electromagnetic valve is communicated with the cold water inlet pipe, and the water outlets of the two electromagnetic valves are communicated with the pipeline of the faucet;
three Hall switches are arranged, and when one Hall switch is screwed close to the magnet and the touch switch is touched for the first time, the electromagnetic valve communicated with the hot water inlet pipe is opened; when the other Hall switch is screwed close to the magnet and the touch switch is touched for the first time, the electromagnetic valve communicated with the cold water inlet pipe is opened; when the third Hall switch is screwed close to the magnet and the touch switch is touched for the first time, the electromagnetic valve communicated with the hot water inlet pipe and the electromagnetic valve communicated with the cold water inlet pipe are simultaneously opened.
Preferably, a water mixing valve is further arranged on the pipeline of the faucet, two water inlets of the water mixing valve are respectively communicated with water outlets of the two electromagnetic valves, and the water outlet of the water mixing valve is communicated with the pipeline of the faucet.
Preferably, a circular accommodating groove matched with the rotary handle is formed in the faucet body of the faucet, and the rotary handle is coaxially and rotatably connected to the accommodating groove.
Preferably, a disc-shaped support frame is coaxially and fixedly arranged in the accommodating groove, the magnet is fixedly arranged on one surface of the support frame, which is away from the faucet body, a positioning bead is arranged on one surface of the support frame, which is away from the faucet body, and is spaced from the center of the support frame, and the positioning bead is cylindrical and perpendicular to the surface of the support frame, and one end of the positioning bead, which is away from the faucet body, is a convex hemispherical shape;
a friction ring is coaxially arranged in the shell of the rotary handle, three limit grooves matched with the hemispherical end of the positioning bead in shape are formed in one face, facing the faucet body, of the rotary handle, the three limit grooves are distributed along the circumferential direction of the friction ring, the distance between each limit groove and the center of the friction ring is identical to the distance between the positioning bead and the center of the supporting frame, and when one of the three limit grooves is matched with the positioning bead, one of the three Hall switches is close to the magnet.
Preferably, the closed end of the rotary handle shell is transparent, one surface of a circuit board integrating the hall switch and the touch switch in the rotary handle is opposite to the closed end of the rotary handle shell, a circle of LED lamp beads containing three colors is arranged on the surface of the circuit board opposite to the closed end of the rotary handle shell, when one of the three hall switches is close to the magnet, and the touch switch is touched for the first time, one of the colors of the LED lamp beads is on, otherwise, the LED lamp beads are off.
Preferably, the touch switch further comprises a transparent conductive film and a conductive spring, wherein the transparent conductive film is attached to the closed end of the rotary handle shell, one end of the conductive spring is abutted to the transparent conductive film, and the other end of the conductive spring is in communication connection with the circuit board.
Preferably, the tap is powered by a battery or by a transformer connected to mains.
The invention at least comprises the following beneficial effects:
1. the Hall magnetic induction principle is utilized, the magnet and the Hall switch are matched to realize the rotary gear switch without mechanical contact, the operation is very convenient, and the mechanical contact is free from mechanical abrasion problem, so that the service life is long.
2. The Hall switch and the touch switch are used for controlling whether the water tap is discharged or not, so that artificial misoperation can be prevented, a user is confirmed to need to start the water tap through the double switch, and the situation that water resource waste does not occur is ensured.
3. Through the common use of a plurality of hall switches, realize hall switch and touch switch and come control tap and go out water whether and go out water temperature together, simple structure is pleasing to the eye, convenient to use.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram of an overall connection according to an embodiment of the present invention;
FIG. 2 is a schematic view of the exterior of a faucet body portion according to one embodiment of the present invention;
FIG. 3 is a schematic view of a rotary handle according to an embodiment of the present invention;
FIG. 4 is a schematic view showing the internal structure of a rotary handle according to an embodiment of the present invention;
FIG. 5 is a schematic view of a touch switch in a rotary handle according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a first circuit board according to an embodiment of the invention;
FIG. 7 is a schematic diagram showing the positions of a first circuit board and a magnet according to an embodiment of the invention;
FIG. 8 is a schematic view of an appearance of a control box according to an embodiment of the present invention;
FIG. 9 is a schematic diagram showing an internal structure of a control box according to an embodiment of the present invention;
FIG. 10 is a circuit diagram of a second circuit board power supply portion according to an embodiment of the present invention;
FIG. 11 is a circuit diagram of a voltage stabilizing portion of a second circuit board according to an embodiment of the present invention;
FIG. 12 is a circuit diagram showing a second circuit board power supply voltage detection portion according to an embodiment of the present invention;
FIG. 13 is a schematic diagram illustrating connection of pins of a second SCM chip according to an embodiment of the present invention;
FIG. 14 is a schematic diagram of a rotary switch according to an embodiment of the present invention;
FIG. 15 is a circuit diagram of a second circuit board cold water solenoid valve according to one embodiment of the invention;
FIG. 16 is a circuit diagram of a second circuit board hot water solenoid valve according to one embodiment of the invention;
FIG. 17 is a circuit diagram of a touch switch according to an embodiment of the invention;
FIG. 18 is a schematic diagram illustrating connection of pins of a first SCM according to an embodiment of the present invention;
FIG. 19 is a schematic diagram showing a three-gear rotary temperature-regulating Hall switch circuit according to one embodiment of the present invention;
FIG. 20 is a diagram showing a blue LED circuit connection according to one embodiment of the present invention;
FIG. 21 is a schematic diagram of a yellow LED circuit according to an embodiment of the present invention;
fig. 22 is a diagram of a red LED circuit connection in accordance with one embodiment of the present invention.
Detailed Description
The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description.
It should be noted that, in the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The invention provides a faucet with a rotary handle without mechanical contact, comprising:
the electromagnetic valve is arranged on the pipeline of the faucet, so that the pipeline of the faucet can be controlled to be connected or disconnected through the electromagnetic valve.
A rotary handle, wherein a Hall switch which rotates synchronously with the rotary handle is arranged in a shell of the rotary handle, and the Hall switch is far away from a rotary shaft of the rotary handle;
a magnet fixedly arranged at a distance from a rotation axis of the rotation handle;
wherein the solenoid valve is opened when the hall switch is rotated to be close to the magnet, and is closed when the hall switch is rotated to be far away from the magnet.
The shape of the rotary handle shell can be various, such as a triangular prism shape, a quadrangular prism shape or a cylindrical shape, and the rotary shaft of the rotary handle can be a self-axis or can deviate from the self-axis, but after deviating from the self-axis, the round area surrounded by the rotating track of the Hall switch in the rotary handle shell can be larger than the sectional area of the rotary handle, so that the magnet can sometimes not be in the range covered by the rotary handle, the exposed magnet is easy to damage or lose and is not attractive, the cylindrical shape is generally adopted, the processing is convenient, and meanwhile, the rotating track of the cylindrical rotary handle rotating around the self-axis is identical to the shape of the self-section, so that the magnet is arranged in the range covered by the rotary handle and can be protected by the shell of the rotary handle.
The rotary handle is characterized in that the rotary handle is arranged at various positions and can be rotationally connected to the edge of a water tank matched with a water tap, and can also be directly rotationally connected to the body of the water tap, and similarly, a magnet matched with a Hall switch can be fixedly arranged on the edge of the water tank matched with the water tap or connected to the body of the water tap, and the rotary handle and the magnet are generally directly arranged on the body of the water tap from the angles of convenient installation and use, and the input end of the Hall switch needs to receive magnetic induction intensity larger than a threshold value, and the output end of the Hall switch has digital signal output, so that the installation position of the magnet is in a spherical range formed by taking any point in the rotary track of the Hall switch as the center, and the distance between the magnet and the Hall switch is the radius, and in the range, the magnet is deviated from the rotary track of the Hall switch and the rotary handle at the same time, and thus the magnet can only have two settings: firstly, the magnet is coplanar with the rotating track of the Hall switch and is not positioned on the circle center of the rotating track, so that the maximum distance and the minimum distance exist between the magnet and the Hall switch, namely, the state of approaching the magnet and the state of keeping away from the magnet exist in the rotating process of the Hall switch, and secondly, the magnet is not coplanar with the rotating track of the Hall switch, so that the connecting line of each point of the rotating track of the magnet and the Hall switch forms an oblique cone shape, and the maximum distance and the minimum distance exist between the vertex and the circle of the bottom surface of the oblique cone, namely, the state of approaching the magnet and the state of keeping away from the magnet exist in the rotating process of the Hall switch.
The rotary handle can be connected in a plurality of modes, such as a cylinder is arranged on the body of the faucet, a circular ring is sleeved on the cylinder, the rotary handle is directly connected on the circular ring or connected on the circular ring through a connecting rod, a round hole is formed in the body of the faucet, a rotating shaft is arranged in the round hole, and the rotary handle is directly connected on the rotating shaft or connected on the rotating shaft through the connecting rod.
In the above embodiment, the opening and closing of the solenoid valve is controlled by the position relationship between the hall switch and the magnet belongs to the prior art, but in order to make the reader more clearly understand the principle, so a brief description is made, the hall switch is connected with a first single-chip microcomputer, the first single-chip microcomputer is connected with the solenoid valve, when the hall switch is close to the magnet, the magnetic induction intensity of the input end of the hall switch exceeds the threshold value of the hall switch, the output end of the hall switch outputs a digital signal to the first single-chip microcomputer, the first single-chip microcomputer controls the solenoid valve to switch on the power supply to open the solenoid valve to realize water outlet of the faucet, when the hall switch is far away from the magnet, the magnetic induction intensity of the input end of the hall switch is lower than the threshold value of the hall switch, the output end of the hall switch stops outputting the digital signal, and the first single-chip microcomputer controls the solenoid valve to switch off the power supply to close the solenoid valve to realize water outlet stop of the faucet.
In the embodiment, the Hall magnetic induction principle is utilized, the magnet and the Hall switch are matched to realize the rotary gear switch without mechanical contact, the operation is very convenient, the mechanical abrasion problem is avoided due to the fact that no mechanical contact exists, and the service life of the faucet is prolonged.
In another embodiment, the shell of the rotary handle is a cylinder with one end closed, a touch switch is arranged in the shell of the rotary handle, and the sensing surface of the touch switch is the closed end of the shell of the rotary handle;
when the touch switch is touched for the first time and the Hall switch is screwed close to the magnet, the electromagnetic valve is opened, and when the touch switch is touched again, the electromagnetic valve is closed.
The circuit connection diagram of the touch switch is shown in fig. 6, wherein U6 is a capacitive touch sensing chip, C10 is a power supply filter capacitor, R13 and C11 are resistors and capacitors for controlling touch input sensitivity, C12 is a sensing sensitivity adjustment capacitor, CN3 is connected with a touch sensing surface, 1 pin outputs a digital signal, when the touch switch is touched for the first time, 1 pin outputs the digital signal for the first time, if the hall switch is screwed close to the magnet at this time, the first digital signal sent by the touch switch and the digital signal sent by the hall switch are transmitted to a first singlechip, the first singlechip controls the electromagnetic valve to be connected with a power supply to open the electromagnetic valve to realize water outlet of the faucet, when the touch switch is touched for the second time, no matter whether the hall switch is screwed close to the magnet or not, the first singlechip receives the second output digital signal of 1 pin and controls the electromagnetic valve to be disconnected with the power supply to close the electromagnetic valve to stop water outlet of the faucet.
In the embodiment, the Hall switch and the touch switch are used for controlling whether the water tap is discharged or not, so that artificial misoperation can be prevented, a user is confirmed to need to start the water tap through the double switch, and the situation that water resource waste does not occur is ensured.
In another embodiment, the two electromagnetic valves are arranged, wherein the water inlet of one electromagnetic valve is communicated with the hot water inlet pipe, the water inlet of the other electromagnetic valve is communicated with the cold water inlet pipe, and the water outlets of the two electromagnetic valves are both communicated with the pipeline of the faucet;
in order to prevent the three Hall switches from affecting each other, the maximum distance between the magnet and any one of the Hall switches to enable the Hall switch to work should be smaller than half of the distance between any two adjacent Hall switches, and when one of the Hall switches is screwed to be close to the magnet and the touch switch is touched for the first time, the electromagnetic valve communicated with the hot water inlet pipe is opened; when the other Hall switch is screwed close to the magnet and the touch switch is touched for the first time, the electromagnetic valve communicated with the cold water inlet pipe is opened; when the third Hall switch is screwed close to the magnet and the touch switch is touched for the first time, the electromagnetic valve communicated with the hot water inlet pipe and the electromagnetic valve communicated with the cold water inlet pipe are simultaneously opened, and the electromagnetic valve communicated with the hot water inlet pipe is called a hot water electromagnetic valve for short and the electromagnetic valve communicated with the cold water inlet pipe is called a cold water electromagnetic valve for short for the sake of brevity.
The circuit connection diagram of the three hall switches is shown in fig. 19, the three hall switches respectively correspond to a cold water gear, a warm water gear and a hot water gear, and when the magnet approaches one hall switch, the hall switch chip outputs a corresponding digital signal to indicate that the gear is selected. The 2 pins of the U8 chip correspondingly output cold water gear signals, the 2 pins of the U9 chip correspondingly output warm water gear signals, and the 2 pins of the U10 chip correspondingly output hot water gear signals.
The circuit connection diagram of the three hall switches and the touch switch and the first singlechip is shown in fig. 18, wherein U7 is a first singlechip chip and is used for processing digital signals output by one of the three hall switches and digital signals output by the touch switch, wherein the 2 pin of the U8 chip is connected with the 10 pin of the U7 chip to receive cold water gear signals, the 2 pin of the U9 chip is connected with the 3 pin of the U7 chip to receive warm water gear signals, the 2 pin of the U10 chip is connected with the 3 pin of the U7 chip to receive hot water gear signals, and the 1 pin of the U6 chip is connected with the 9 pin of the U7 chip to receive digital signals of the touch switch.
The connection diagrams of the driving circuits of the two electromagnetic valves are shown in fig. 15 and 16, wherein U1 is a cold water electromagnetic valve driving chip, U2 is a hot water electromagnetic valve driving chip, the two electromagnetic valve driving circuits are connected with a second single chip microcomputer, the second single chip microcomputer is connected with a first single chip microcomputer, so that the state of the cold water electromagnetic valve and the hot water electromagnetic valve can be controlled by digital signals obtained from one of three Hall switches and a touch switch, as shown in fig. 13, U5 is a second single chip microcomputer chip, pin 1 of the U5 chip is connected with pin 6 of the U7 chip to receive signals for executing electromagnetic valve actions sent by the first single chip microcomputer, and pin 2 of the U5 chip is connected with pin 5 of the U7 chip to feed back signals for executing conditions to the first single chip microcomputer; the 6 pins of the U1 chip are connected with the 8 pins of the U5 chip to receive signals which are sent by the second single chip microcomputer and used for controlling the opening of the cold water electromagnetic valve, the 7 pins of the U1 chip are connected with the 9 pins of the U5 chip to receive signals which are sent by the second single chip microcomputer and used for controlling the closing of the cold water electromagnetic valve, the 6 pins of the U2 chip are connected with the 6 pins of the U5 chip to receive signals which are sent by the second single chip microcomputer and used for controlling the opening of the hot water electromagnetic valve, and the 7 pins of the U2 chip are connected with the 7 pins of the U5 chip to receive signals which are sent by the second single chip microcomputer and used for controlling the closing of the hot water electromagnetic valve. In this embodiment, in order to better control the on time of the faucet, a rotary switch, i.e. SW1 in fig. 13, is further provided, and its appearance is shown in fig. 14, and 10 gears are used, and different gears can set different delay water closing times. The correspondence between the pointing position of the rotary switch arrow and the time delay water cut-off time is shown in table 1:
| arrow pointing position | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| Delay time | Manual operation | 5 seconds | 10 seconds | 15 seconds | 20 seconds | 30 seconds | 40 seconds | 60 seconds | 90 seconds | 120 seconds |
As shown in fig. 5, 6 and 7, in the above embodiments, three hall switches, touch switches and rotary handle housing are assembled, the three hall switch circuits and touch switch circuits are integrated on the first circuit board 203, the first circuit board 203 is fixedly connected to the closed end 200 of the rotary handle housing through three screws 204, the first circuit board 203 sends and receives signals through a connection wire 201, 206 in the figure is referred to as a U8 chip, 207 is referred to as a U9 chip, 208 is referred to as a U10 chip, and 104 is referred to as a magnet.
The embodiment realizes that the Hall switch and the touch switch control whether the faucet is out or not and the temperature of the out water together through the common use of the Hall switches, and has simple and attractive structure and convenient use.
In another embodiment, as shown in fig. 1 and 9, a water mixing valve 312 is further disposed on the pipeline of the faucet, two water inlets of the water mixing valve 312 are respectively connected with a water outlet of the cold water electromagnetic valve 311 and a water outlet of the hot water electromagnetic valve 310, a water outlet 302 of the water mixing valve is connected with the pipeline of the faucet through a connecting pipe 700, the pipeline of the faucet is disposed inside the faucet base 102, a proportion of cold water and hot water entering the water mixing valve 312 can be adjusted by an adjusting knob 301 of the water mixing valve, so that a water temperature is comfortable state is achieved, a water inlet 313 of the cold water electromagnetic valve 311 is connected with a cold water inlet pipe 500, a water inlet 314 of the hot water electromagnetic valve 310 is connected with a hot water inlet pipe 600, cold water and hot water are mixed by the water mixing valve 313 and then come out from a water outlet of the straightener 110 of the faucet body 100 after passing through the connecting pipe 700.
In another embodiment, as shown in fig. 4, a circular accommodating groove matched with the rotary handle is provided on the faucet body 100 of the faucet, the rotary handle is composed of a cylinder 101 and a closed end 200, the closed end 200 is buckled on one end of the cylinder 101 through interference fit, a circular ring is coaxially provided at the center of the other end of the cylinder 101, the circular ring is connected with the inner wall of the cylinder 101 through a connecting rod, a threaded hole is provided at the center of the accommodating groove, after the cylinder 101 is aligned with the accommodating groove, a half-thread bolt 106 sequentially penetrates through a flat washer 109, an inner hexagonal washer 108 and the circular ring on the cylinder, and then is screwed into the threaded hole at the center of the accommodating groove.
In another embodiment, as shown in fig. 4, a disc-shaped supporting frame 103 is coaxially disposed in the accommodating groove, a through hole through which a half-threaded bolt 106 passes is formed in the center of the supporting frame 103, a first limiting groove is formed in the inner wall of the accommodating groove, a limiting block matched with the first limiting groove is disposed at the edge of the supporting frame 103, after the limiting block is embedded into the first limiting groove, the supporting frame 103 can be fixed in the accommodating groove, the magnet 104 is fixedly disposed on one surface of the supporting frame, which is away from the faucet body 100, a positioning bead 107 is disposed on one surface of the supporting frame 103, which is away from the faucet body 100, and is spaced from the center of the supporting frame, the positioning bead is cylindrical and perpendicular to the surface of the supporting frame 103, and one end, which is away from the faucet body 100, is a convex hemispherical shape;
a friction ring 105 is coaxially arranged in the shell of the rotary handle, three second limit grooves matched with the hemispherical end of the positioning bead 107 in shape are formed in the face, opposite to the faucet body 100, of the friction ring, the three second limit grooves are distributed along the circumferential direction of the friction ring, the distance between each second limit groove and the center of the friction ring 105 is identical to the distance between the positioning bead 107 and the center of the supporting frame 103, and when one of the three second limit grooves is matched with the positioning bead 107, one of the three Hall switches is close to the magnet 104.
In the use process of the embodiment, when the rotary handle is screwed to a hall switch to approach the magnet 104, the positioning bead just slides into a certain second limit groove, so that a user does not need to find the work trigger point of each hall switch, and the use is convenient.
In order to better enable the user to know the water outlet condition of the faucet, the following improvement is made on the basis of the above embodiment, as shown in fig. 2 and 3, three water temperature gear identification lines 112, 113 and 114 are drawn on the cylinder 101 of the rotary handle according to the positions of the three second limit grooves, 112 are cold water gear marks (blue marks), 113 are warm water gear marks (yellow marks), 115 are hot water gear marks (red marks), positioning points 111 are drawn according to the positions of the positioning beads, cold water is selected when the rotary handle rotates to 112 and the cold water gear marks face the positioning points 111, warm water is selected when the rotary handle rotates to 113 and the warm water gear marks face the positioning points 111, and hot water is selected when the rotary handle rotates to 115 and the hot water gear marks face the positioning points 111.
In another embodiment, as shown in fig. 5, the closed end 200 of the rotary handle housing is transparent, one surface of the first circuit board 203 integrated with the hall switch and the touch switch in the rotary handle is opposite to the closed end 200 of the rotary handle housing, and a circle of LED lamp beads 209 containing three colors is arranged on the surface of the first circuit board 203 opposite to the closed end 200 of the rotary handle housing, when one of the three hall switches is close to the magnet 104 and the touch switch is touched for the first time, one of the LED lamp beads 209 is on, and if no hall switch is close to the magnet 104 or the touch switch is touched for the second time, the LED lamp beads 209 are all off.
As shown in fig. 20, 21 and 22, the circuit connection diagrams of the three-color LED lamp beads 209 are shown, the circuits of the three-color LED lamp beads 209 are respectively connected with a first single chip microcomputer, as shown in fig. 18, the three-color LED lamp beads of blue, yellow and red are respectively corresponding to three water temperature shift phases of cold water, warm water and hot water, the 12 pin of the U7 chip is connected with the circuit of the blue LED lamp bead, the 13 pin of the U7 chip is connected with the circuit of the yellow LED lamp bead, the 14 pin of the U7 chip is connected with the circuit of the red LED lamp bead, when the U8 chip is close to the magnet 104, and a user touches the closed end 200 of the rotary handle for the first time, the cold water electromagnetic valve 311 is opened, cold water flows out of the tap body 100, and meanwhile, the first single chip microcomputer sends a signal to control the blue LED lamp bead to turn on, and when the user touches the closed end 200 of the rotary handle again, the first single chip microcomputer sends a signal to turn off the blue LED lamp bead; when the U9 chip is close to the magnet 104 and a user touches the closed end 200 of the rotary handle for the first time, the cold water electromagnetic valve 311 and the hot water electromagnetic valve 310 are opened together, warm water flows out of the faucet body 100, meanwhile, the first singlechip sends out a signal to control the yellow LED lamp beads to be turned on, and when the user touches the closed end 200 of the rotary handle again, the first singlechip sends out a signal to control the yellow LED lamp beads to be turned off; when the U10 chip is close to the magnet 104 and the user touches the closed end 200 of the rotary handle for the first time, the hot water solenoid valve 310 is opened, hot water flows out of the faucet body 100, meanwhile, the first singlechip sends out a signal to control the red LED lamp beads to be turned on, and when the user touches the closed end 200 of the rotary handle again, the first singlechip sends out a signal to control the red LED lamp beads to be turned off.
Because the embodiment uses the LED lamp beads with different colors to represent different water temperature gears, a user does not need to test the water temperature one by one to know the water outlet condition of the faucet, and the practicability is high.
In another embodiment, as shown in fig. 5, 6 and 7, the touch switch further comprises a transparent conductive film 202 and a conductive spring 205, wherein the transparent conductive film is attached to the inner wall of the closed end 200 of the rotary handle housing, one end of the conductive spring 205 abuts against the transparent conductive film, and the other end of the conductive spring is communicatively connected to the circuit board 203 of the touch switch, so that the area of the conductive film 205 can be used to control the range of the touch switch touching the sensing surface.
In another embodiment, the faucet is powered by a battery or by a transformer connected to mains power.
The circuit connection diagram of the power supply part is shown in fig. 10, CN1 is connected with 4 No. 5 batteries, CN2 is connected with a direct current 6V power supply output by a transformer, Q1, Q2, R1, R2 and D3 form a battery and an external power supply isolation circuit, and C1 is a filter capacitor. The power supply part is connected with the power voltage stabilizing part, the circuit connection diagram of the power voltage stabilizing part is shown in fig. 12, C2, C3, C4, L1 and L2 form a power filter circuit, U2 is a low-voltage difference power voltage stabilizing chip, and C5 and C6 are filter capacitors after voltage stabilization is 3.3V. The power supply voltage stabilizing part is connected with the power supply voltage detecting part, a circuit connection diagram of the power supply voltage detecting part is shown in fig. 13, wherein U4 is a voltage detecting chip, the output end of the U4 chip is connected with the 17 pin of the second single chip microcomputer chip U5, when the power supply voltage is lower than 4.5V, the voltage detecting chip U4 outputs a low voltage instruction to the second single chip microcomputer chip U5, the second single chip microcomputer chip U5 outputs a low voltage signal to the first single chip microcomputer chip U7 when receiving the low voltage instruction, and the U7 outputs a flashing lamp signal to drive the red LED to flash (flash every second), so that the battery is indicated to be required to be replaced when the battery is not charged.
As shown in fig. 8 and 9, the hot water electromagnetic valve 210 and the cold water electromagnetic valve 311 are disposed in a control box 300, the control box 300 includes a control box upper cover 308 and a control box lower cover 309, the whole circuit of the power supply and the driving circuits of the two electromagnetic valves are integrated on a second circuit board 307, the second circuit board 307 is also disposed in the control box 300, a battery compartment 315 is further disposed in the control box 300, 4 number 5 batteries 306 can be mounted in the battery compartment 315, the battery compartment 315 is further provided with battery compartment covers 305 and 303 as second connection lines, when an external power supply is needed, the second connection lines 303 and the battery compartment 315 are connected to the second circuit board 307 to provide power for the whole machine, the third connection lines 304 are connected to the second circuit board 307, the third connection lines 304 are connected to the connection lines 201 on the first circuit board 203 to provide signal control loops for the whole machine. The transformer 400 is input with 110V or 220V alternating current, and output with direct current of 6V/500mA, and provides an external power supply mode for the whole machine.
In the above embodiment, two sets of power supply systems are used for the user to select, so that batteries are used for supplying power to the faucet even if the mains supply fails.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (5)
1. A faucet having a rotatable handle without mechanical contacts, comprising:
the electromagnetic valve is arranged on a pipeline of the faucet;
a rotary handle, wherein a Hall switch which rotates synchronously with the rotary handle is arranged in a shell of the rotary handle, and the Hall switch is far away from a rotary shaft of the rotary handle;
a magnet fixedly arranged at a distance from a rotation axis of the rotation handle;
wherein the solenoid valve is opened when the hall switch is rotated to be close to the magnet, and is closed when the hall switch is rotated to be far away from the magnet;
the shell of the rotary handle is a cylinder with one end closed, a touch switch is arranged in the shell of the rotary handle, and the induction surface of the touch switch is the closed end of the shell of the rotary handle;
when the touch switch is touched for the first time and the Hall switch is screwed close to the magnet, the electromagnetic valve is opened, and when the touch switch is touched again, the electromagnetic valve is closed;
the two electromagnetic valves are arranged, the water inlet of one electromagnetic valve is communicated with the hot water inlet pipe, the water inlet of the other electromagnetic valve is communicated with the cold water inlet pipe, and the water outlets of the two electromagnetic valves are communicated with the pipeline of the faucet;
three Hall switches are arranged, and when one Hall switch is screwed close to the magnet and the touch switch is touched for the first time, the electromagnetic valve communicated with the hot water inlet pipe is opened; when the other Hall switch is screwed close to the magnet and the touch switch is touched for the first time, the electromagnetic valve communicated with the cold water inlet pipe is opened; when the third Hall switch is screwed close to the magnet and the touch switch is touched for the first time, the electromagnetic valve communicated with the hot water inlet pipe and the electromagnetic valve communicated with the cold water inlet pipe are simultaneously opened;
the pipeline of the faucet is also provided with a water mixing valve, two water inlets of the water mixing valve are respectively communicated with water outlets of the two electromagnetic valves, and the water outlet of the water mixing valve is communicated with the pipeline of the faucet;
the faucet body of the faucet is provided with a circular accommodating groove matched with the rotary handle, and the rotary handle is coaxially and rotatably connected to the accommodating groove.
2. The faucet with the mechanical contact-free rotary handle according to claim 1, wherein a disc-shaped support frame is coaxially and fixedly arranged in the accommodating groove, the magnet is fixedly arranged on one surface of the support frame, which is away from the faucet body, a positioning bead is arranged on one surface of the support frame, which is away from the faucet body, and is spaced from the circle center of the support frame, and the positioning bead is cylindrical and perpendicular to the surface of the support frame, and one end, which is away from the faucet body, is a convex hemispherical shape;
a friction ring is coaxially arranged in the shell of the rotary handle, three limit grooves matched with the hemispherical end of the positioning bead in shape are formed in one face, facing the faucet body, of the rotary handle, the three limit grooves are distributed along the circumferential direction of the friction ring, the distance between each limit groove and the center of the friction ring is identical to the distance between the positioning bead and the center of the supporting frame, and when one of the three limit grooves is matched with the positioning bead, one of the three Hall switches is close to the magnet.
3. The faucet with a mechanical contact-free rotary handle of claim 1, wherein the closed end of the rotary handle housing is transparent, a circuit board integrating a hall switch and a touch switch in the rotary handle has one surface facing the closed end of the rotary handle housing, and a circle of LED beads comprising three colors is arranged on the surface of the circuit board facing the closed end of the rotary handle housing, when one of the three hall switches is close to the magnet and the touch switch is touched for the first time, one of the LED beads is turned on, otherwise the LED beads is turned off.
4. The faucet having a rotary handle without mechanical contact of claim 3, wherein the touch switch further comprises a transparent conductive film attached to the closed end of the rotary handle housing, and a conductive spring having one end abutting the transparent conductive film and the other end communicatively coupled to the circuit board.
5. The faucet with a mechanical contact free rotary handle of claim 1, wherein the faucet is powered by a battery or by a transformer connection to mains power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810353737.XA CN108561615B (en) | 2018-04-19 | 2018-04-19 | Faucet with rotary handle without mechanical contact |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810353737.XA CN108561615B (en) | 2018-04-19 | 2018-04-19 | Faucet with rotary handle without mechanical contact |
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| CN108561615A CN108561615A (en) | 2018-09-21 |
| CN108561615B true CN108561615B (en) | 2023-08-08 |
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| CN201810353737.XA Active CN108561615B (en) | 2018-04-19 | 2018-04-19 | Faucet with rotary handle without mechanical contact |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111503345B (en) | 2019-01-31 | 2023-06-13 | 厦门优胜卫厨科技有限公司 | Water outlet device and control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197077A (en) * | 2014-07-29 | 2014-12-10 | 珠海爱迪生节能科技有限公司 | Ceramic wash basin faucet switch component |
| CN104976386A (en) * | 2014-04-09 | 2015-10-14 | 成霖企业股份有限公司 | Handle-controlled electronic water tap |
| CN208058090U (en) * | 2018-04-19 | 2018-11-06 | 广州海鸥住宅工业股份有限公司 | Tap with no mechanical contact rotating handles |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10316501B2 (en) * | 2016-07-29 | 2019-06-11 | Hydrotek Corporation | Control method and circuit of a controller for a battery operated water faucet |
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2018
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976386A (en) * | 2014-04-09 | 2015-10-14 | 成霖企业股份有限公司 | Handle-controlled electronic water tap |
| CN104197077A (en) * | 2014-07-29 | 2014-12-10 | 珠海爱迪生节能科技有限公司 | Ceramic wash basin faucet switch component |
| CN208058090U (en) * | 2018-04-19 | 2018-11-06 | 广州海鸥住宅工业股份有限公司 | Tap with no mechanical contact rotating handles |
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