CN109469759B

CN109469759B - Infrared induction tap

Info

Publication number: CN109469759B
Application number: CN201811566517.1A
Authority: CN
Inventors: 邝仲腾
Original assignee: Kaiping Garden Sanitary Ware Co ltd
Current assignee: Kaiping Garden Sanitary Ware Co ltd
Priority date: 2018-12-19
Filing date: 2018-12-19
Publication date: 2024-04-05
Anticipated expiration: 2038-12-19
Also published as: CN109469759A

Abstract

The invention discloses an infrared sensing faucet, which comprises a faucet body, wherein a water inlet plate and a water outlet plate are fixed on the inner wall of the faucet body, through holes are formed in the water inlet plate and the water outlet plate, a first electromagnetic valve positioned on the outer side of the water inlet plate is fixed on the inner wall of the faucet body through two first fixing rods, a second electromagnetic valve positioned on the inner side of the water outlet plate is fixed on the inner wall of the faucet body through two second fixing rods, and a heating mechanism positioned between the water inlet plate and the second electromagnetic valve is fixed in the faucet body. The advantages are that: according to the invention, when the water faucet is opened and closed by infrared induction, the heating mechanism is arranged in the faucet body, and when the water flow temperature is too low, the heating rod is connected with the external power supply mechanism through the contraction of the expansion medium, so that the heating rod can heat the water flow, the water temperature is prevented from being too low, and the water faucet is more comfortable for a user to use.

Description

Infrared induction tap

Technical Field

The invention relates to the technical field of faucets, in particular to an infrared sensing faucet.

Background

The induction faucet is characterized in that according to the infrared reflection principle, when a human hand is placed in an infrared region of the faucet, infrared rays emitted by an infrared emission tube are reflected to an infrared receiving tube due to shieldings of the human hand, signals processed by a microcomputer in an integrated circuit are sent to a pulse electromagnetic valve, and after the electromagnetic valve receives the signals, a valve core is opened according to a specified instruction to control water outlet of the faucet; when the hands of a human body leave the infrared sensing range, the electromagnetic valve does not receive signals, the valve core of the electromagnetic valve resets through the spring inside to control the water closing of the faucet, and the electromagnetic valve is applied to public places, so that secondary pollution after washing hands is prevented, and disease infection is avoided.

The existing infrared induction faucet is generally applied to a public area, but does not have a heating function, and is not suitable for being used in a cold ice environment, but generally has a heating function in a large-area heating mode, but is easy to consume a large amount of energy when heating tap water with a large area, and waste of resources is easy to cause when the infrared induction faucet is not used.

For this purpose, we propose an infrared sensing faucet to solve the above problems.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides an infrared sensing faucet.

In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides an infrared ray response tap, includes the tap body, be fixed with inlet plate and play water sheet on the inner wall of tap body, the through-hole has all been seted up on inlet plate and the play water sheet, be fixed with the first solenoid valve that is located the outside of inlet plate on the inner wall of tap body through two first dead levers, be fixed with the second solenoid valve that is located the play water sheet inboard on the inner wall of tap body through two second dead levers, the inside of tap body is fixed with the heating mechanism that is located between inlet plate and the second solenoid valve, be fixed with infrared emission pipe, power supply unit, microprocessor and water level sensor on the outer wall of tap body, water level sensor's input runs through the outer wall that sets up the tap body and extends to its inside, power supply unit, microprocessor and water level sensor are located the same side on the tap body outer wall, the vertical downward setting of emission pipe of infrared emission pipe.

In the above-mentioned infrared induction tap, the heating mechanism is including fixing the piston tube on tap body inner wall, one side fixedly connected with heating rod of intake plate is kept away from to the piston tube, it has the piston to slide on the inner wall of piston tube, be fixed with the ring on the inner wall of one side that the intake plate was kept away from to the piston tube, fixedly connected with runs through the connecting rod that the ring set up on the side lateral wall that the piston is close to the ring, fixedly connected with and the first electric contact end of heating rod electricity on one side inner wall that the heating rod was kept away from to the ring, the one end fixedly connected with that the connecting rod is located the ring passes through the second electric contact end that the wire is connected with external power source mechanism.

In the above-mentioned infrared induction faucet, the expansion medium is filled between the inner wall of the piston tube and the side wall of the piston close to the water inlet plate, and two expansion springs are fixedly connected between the inner wall of the piston tube and the side wall of the piston far away from the expansion medium.

In the above-mentioned infrared induction tap, all cover is equipped with the protection rubber cover on infrared emission pipe, power supply mechanism, microprocessor and water level sensor's the outer wall, every all inlay on the outer wall of protection rubber cover and be equipped with a plurality of heat conduction strips.

In the above-mentioned infrared sensing tap, the cover is established on the infrared emission pipe outer wall set up the light-transmitting opening on the lower lateral wall of protection rubber sleeve, the transmitting end of infrared emission pipe is located the middle part of light-transmitting opening, and the cover is established on the infrared emission pipe outer wall set up a plurality of first air inlets on the outer wall of protection rubber sleeve, every the second air inlet with the inside intercommunication of light-transmitting opening has all been seted up to the inside wall of first air inlet.

In the above-mentioned infrared sensing faucet, each of the second air inlets is tapered, and the diameter of each second air inlet gradually decreases from outside to inside.

Compared with the prior art, the infrared sensing faucet has the advantages that:

1. when a user puts hands under the infrared emission tube, infrared rays emitted by the infrared emission tube are blocked, signals are transmitted to the microprocessor, the microprocessor further controls the second electromagnetic valve to be disconnected, water in the tap body is discharged through the through hole in the water outlet plate, the user can wash hands, secondary pollution is avoided when the user opens the tap manually, and when the user removes hands, the microprocessor controls the second electromagnetic valve to work to seal the water outlet plate;

2. the second electromagnetic valve is opened to seal the water outlet plate, tap water is discharged into the faucet body through the water inlet plate, the first electromagnetic valve is operated to seal the water inlet plate, when the water temperature in the faucet body is low, the expansion medium is subjected to low-temperature shrinkage change, the piston is pushed to move to one side of the expansion medium by the elasticity of the telescopic spring, the connecting rod drives the second electric contact end to move to the first electric contact end and complete contact, electric connection between the heating rod and an external power supply mechanism is realized, the heating rod starts to heat water in the faucet body, when the water reaches a certain temperature, the volume of the expansion medium is restored, the piston moves back, the connection between the first electric contact end and the second electric contact end is disconnected, the heating rod stops the heating operation, the certain environment in the faucet in a cold environment is ensured, and the faucet is more comfortable to use;

3. when water in the faucet is discharged, after the water level drops below the water level sensor, a sensed water level signal is transmitted to an external microprocessor, the microprocessor transmits the signal to control the first electromagnetic valve to be opened, the second electromagnetic valve is closed, external water is discharged into the faucet body through a through hole on the water inlet plate, after a period of time, the signal is sent to close the first electromagnetic valve, the water quantity between the water inlet plate and the water outlet plate is always certain, meanwhile, the maximum water quantity consumed by each hand washing is further controlled, and waste is avoided;

4. the microprocessor, the power supply mechanism, the water level sensor and the infrared transmitting tube are sleeved with the protective rubber sleeve and embedded with the heat conducting strip, so that the microprocessor, the power supply mechanism, the water level sensor and the infrared transmitting tube are protected from damage, heat generated during working is conducted out, the influence of overhigh heat on the working is avoided, the protective rubber sleeve on the outer wall of the infrared transmitting tube is provided with the first air inlet and the second air inlet, external air flow enters through the first air inlet and gathers the air flow through the second air inlet, dust at the lower end of the infrared transmitting tube is conveniently blown out, and the normal operation of infrared transmitting work is ensured;

in summary, according to the invention, when the faucet is opened and closed by infrared induction, the heating mechanism is arranged in the faucet body, and when the water flow temperature is too low, the heating rod is connected with the external power supply mechanism through the contraction of the expansion medium, so that the heating rod can heat the water flow, the water temperature is prevented from being too low, and the use of a user is more comfortable.

Drawings

FIG. 1 is a schematic diagram of an infrared sensing faucet according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a bottom view of an infrared emission tube of an infrared sensing faucet according to the present invention;

fig. 4 is a side view of a protective rubber sleeve in an infrared sensing faucet according to the present invention.

In the figure: the water faucet comprises a water faucet body 1, a first fixing rod 2, a first electromagnetic valve 3, a water inlet plate 4, a water outlet plate 5, a second fixing rod 6, a second electromagnetic valve 7, an infrared emitting tube 8, a microprocessor 9, a power supply mechanism 10, a water level sensor 11, a protective rubber sleeve 12, a piston tube 13, a heating rod 14, a circular ring 15, a first electric contact end 16, a piston 17, a connecting rod 18, a second electric contact end 19, a telescopic spring 20, an expansion medium 21, a light transmission port 22, a first air inlet 23, a second air inlet 24 and a heat conducting strip 25.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.

Examples

Referring to fig. 1-4, an infrared induction faucet comprises a faucet body 1, wherein a water inlet plate 4 and a water outlet plate 5 are fixed on the inner wall of the faucet body 1, through holes are formed in the water inlet plate 4 and the water outlet plate 5, a first electromagnetic valve 3 positioned on the outer side of the water inlet plate 4 is fixed on the inner wall of the faucet body 1 through two first fixing rods 2, a second electromagnetic valve 7 positioned on the inner side of the water outlet plate 5 is fixed on the inner wall of the faucet body 1 through two second fixing rods 6, external water is discharged into the faucet body 1 through the through holes in the water inlet plate 4, and water in the faucet body 1 is discharged through the through holes in the water outlet plate 5.

The inside of the tap body 1 is fixed with a heating mechanism between the water inlet plate 4 and the second electromagnetic valve 7, the heating mechanism comprises a piston pipe 13 fixed on the inner wall of the tap body 1, one side of the piston pipe 13 far away from the water inlet plate 4 is fixedly connected with a heating rod 14, when the heating rod 14 is connected with an external power supply, the heating rod can work, thereby heating water in the tap body 1, a piston 17 slides on the inner wall of the piston pipe 13, an expansion medium 21 is filled between the side wall of the piston 17 close to the water inlet plate 4 and the inner wall of the piston pipe 13, the expansion medium 21 can adopt some mediums which are easy to collide and shrink, such as kerosene, two expansion springs 20 are fixedly connected between the side wall of the piston 17 far away from the expansion medium 21 and the inner wall of the piston pipe 13, a circular ring 15 is fixed on the inner wall of the side of the piston pipe 13 far away from the water inlet plate 4, the piston 17 is close to the connecting rod 18 that runs through ring 15 to be connected with on the lateral wall of one side that ring 15 is located, the ring 15 is kept away from the first electric contact 16 that is connected with heating rod 14 electricity on the lateral wall of heating rod 14, the one end fixedly connected with that connecting rod 18 is located in ring 15 passes through the second electric contact 19 that the wire is connected with external power mechanism 10, when the temperature of water in tap body 1 is lower, inflation medium 21 carries out low temperature shrink and changes, promote piston 17 to inflation medium 21 one side to remove with the elasticity of extension spring 20, connecting rod 18 drives second electric contact 19 to first electric contact 16 and accomplish the contact, realize the electric connection between heating rod 14 and the external power mechanism 10, heating rod 14 begins the heating work, water in the tap body heats, user's comfort when using in the cold environment has been guaranteed.

The water level sensor 11 monitors the water level in the water tap body 1, when the water level falls below the water level sensor 11, the water in the water tap body 1 is used up or is about to be used up, the sensed water level signal is transmitted to the external microprocessor 10, the microprocessor 10 controls the first electromagnetic valve 3 to open and close the second electromagnetic valve 7, external water is discharged into the water tap body through a through hole in the water inlet plate 4, specific delay time can be adjusted according to the flow of the water in a certain time after a period of time, and after the water between the water inlet plate 4 and the water outlet plate 5 is certain, a signal is sent to close the first electromagnetic valve 3.

The vertical downward setting of transmitting tube of infrared emission pipe 8, all overlap on infrared emission pipe 8, power supply mechanism 10, microprocessor 9 and the outer wall of water level sensor 11 and be equipped with protection rubber cover 12, all inlay on the outer wall of every protection rubber cover 12 and be equipped with a plurality of heat conduction strips 25, set up protection rubber cover 12 and heat conduction strip 25 and protect infrared emission pipe 8, power supply mechanism 10, microprocessor 9 and water level sensor 11, derive the heat of work, guaranteed its stable efficient work.

The light transmission port 22 is formed in the lower side wall of the protective rubber sleeve 12 sleeved on the outer wall of the infrared emission tube 8, the emission end of the infrared emission tube 8 is located in the middle of the light transmission port 22, the outer wall of the protective rubber sleeve 12 sleeved on the outer wall of the infrared emission tube 8 is provided with the first air inlets 23, the inner side wall of each first air inlet 23 is provided with the second air inlets 24 communicated with the inside of the light transmission port 22, each second air inlet 24 is arranged in a conical manner, the diameter of each second air inlet is gradually reduced from outside to inside, the diameter of each second air inlet 24 is gradually reduced, the second air inlet 24 has a gathering effect on air flow, when the outside has stronger wind force, the air is led in through the first air inlets 23, and the air inlets are accelerated after gathering through the second air inlets 24, so that accumulated ash on the lower side wall of the infrared emission tube 8 is conveniently blown away.

The principle of operation of the present invention will now be described as follows:

when a user uses the faucet, hands are placed under the infrared emission tube 8, infrared rays emitted by the infrared emission tube 8 are blocked, signals are transmitted to the microprocessor 10, the microprocessor 10 further controls the second electromagnetic valve 7 to be disconnected, water in the faucet body 1 is discharged through the through hole on the water outlet plate 5, and the user can wash hands;

after the water level in the faucet is discharged and falls below the water level sensor 11, the sensed water level signal is transmitted to the external microprocessor 10, the microprocessor 10 transmits the signal to control the first electromagnetic valve 3 to be opened, the second electromagnetic valve 7 is closed, external water is discharged into the faucet body through the through hole in the water inlet plate 4, after a period of time, the signal is transmitted to close the first electromagnetic valve 3, when the water temperature in the faucet body 1 is low, the expansion medium 21 is subjected to low-temperature shrinkage change, the piston 17 is pushed to move towards the expansion medium 21 side by the elastic force of the expansion spring 20, the connecting rod 18 drives the second electric contact end 19 to move towards the first electric contact end 16 and complete contact, the electric connection between the heating rod 14 and the external power supply mechanism 10 is realized, the heating rod 14 starts to heat the water in the faucet body, the water temperature in the faucet body 1 is not too low in the cold environment, after the water temperature reaches a certain value, the expansion medium 21 is recovered, the first electric contact end 16 is disconnected from the second electric contact end 19, and the heating rod 14 stops heating.

Further, the above-described fixed connection is to be understood in a broad sense, unless explicitly stated and defined otherwise, as being, for example, welded, glued, or integrally formed, as is well known to those skilled in the art.

Although terms of the tap body 1, the first fixing lever 2, the first solenoid valve 3, the water inlet plate 4, the water outlet plate 5, the second fixing lever 6, the second solenoid valve 7, the infrared ray emitting tube 8, the microprocessor 9, the power supply mechanism 10, the water level sensor 11, the protective rubber sleeve 12, the piston tube 13, the heating lever 14, the circular ring 15, the first electric contact 16, the piston 17, the connecting rod 18, the second electric contact 19, the expansion spring 20, the expansion medium 21, the light transmitting port 22, the first air inlet 23, the second air inlet 24, the heat conducting strip 25, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.

Claims

1. The utility model provides an infrared induction tap, includes tap body (1), its characterized in that, be fixed with inlet plate (4) and outlet plate (5) on the inner wall of tap body (1), all seted up the through-hole on inlet plate (4) and outlet plate (5), be fixed with first solenoid valve (3) that are located the outside of inlet plate (4) on the inner wall of tap body (1) through two first dead levers (2), be fixed with second solenoid valve (7) that are located the inboard of outlet plate (5) on the inner wall of tap body (1) through two second dead levers (6), the inside of tap body (1) is fixed with the heating mechanism that is located between inlet plate (4) and second solenoid valve (7), be fixed with infrared emission pipe (8), power supply mechanism (10), microprocessor (9) and water level sensor (11) on the outer wall of tap body (1), the input of water level sensor (11) runs through the outer wall that sets up tap body (1) and extends to its inside, power supply mechanism (10) and water level sensor (11) are located the outside of same vertical pipe (8) down, the heating mechanism comprises a piston tube (13) fixed on the inner wall of a faucet body (1), one side fixedly connected with heating rod (14) of a water inlet plate (4) is kept away from to the piston tube (13), a piston (17) is slidingly arranged on the inner wall of the piston tube (13), a circular ring (15) is fixed on one side inner wall of the water inlet plate (4) is kept away from to the piston tube (13), a connecting rod (18) penetrating through the circular ring (15) is fixedly connected on one side wall of the piston (17) close to the circular ring (15), a first electric contact end (16) electrically connected with the heating rod (14) is fixedly connected on one side inner wall of the circular ring (15), one end fixedly connected with of the connecting rod (18) in the circular ring (15) is connected with a second electric contact end (19) connected with an external power supply mechanism (10) through a wire, a protective rubber sleeve (12) is sleeved on the outer wall of each of the infrared emission tube (8), the power supply mechanism (10), the microprocessor (9) and the water level sensor (11), and a plurality of heat conducting strips (25) are embedded on each protective rubber sleeve (12).

2. An infrared sensing faucet according to claim 1, characterized in that an expansion medium (21) is filled between the side wall of the piston (17) close to the water inlet plate (4) and the inner wall of the piston tube (13), and two expansion springs (20) are fixedly connected between the side wall of the piston (17) far away from the expansion medium (21) and the inner wall of the piston tube (13).

3. The infrared induction faucet according to claim 1, wherein a light-transmitting opening (22) is formed in the lower side wall of the protective rubber sleeve (12) sleeved on the outer wall of the infrared emission tube (8), the emission end of the infrared emission tube (8) is located in the middle of the light-transmitting opening (22), a plurality of first air inlets (23) are formed in the outer wall of the protective rubber sleeve (12) sleeved on the outer wall of the infrared emission tube (8), and a second air inlet (24) communicated with the inside of the light-transmitting opening (22) is formed in the inner side wall of each first air inlet (23).

4. An infrared sensing faucet according to claim 3, wherein each of said second air inlets (24) is tapered and tapers from the outside to the inside.