CN217977515U

CN217977515U - Constant temperature type automatic water tap

Info

Publication number: CN217977515U
Application number: CN202221435214.8U
Authority: CN
Inventors: 陈林兴
Original assignee: Kaiping Domi Electronic Technology Co ltd
Current assignee: Kaiping Domi Electronic Technology Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-12-06
Anticipated expiration: 2032-06-09

Abstract

The utility model discloses an automatic tap of thermostatic type, include: a valve core provided with a valve rod for controlling the valve core to open and close; a pipe housing provided with a cold water supply path, a hot water supply path, and a mixed water output path; the power output device comprises a motor and a speed reducer, and an output shaft of the speed reducer is in transmission connection with the valve rod; a first temperature sensor disposed at the cold water supply path; the second temperature sensor is arranged on the mixed water output path; the controller is electrically connected with the first temperature sensor and the second temperature sensor and the motor; wherein, the first temperature sensor acquires the temperature of cold water supply route, and the second temperature sensor acquires the temperature of mixed water output route, and the controller is according to the temperature that first temperature sensor and second temperature sensor acquireed, the angle of control valve rod rotation to the temperature of control mixed water. The faucet can automatically output water at constant temperature, the temperature of the output water is stable, and the user experience is good.

Description

Constant temperature type automatic water tap

Technical Field

The utility model relates to an air conditioner technical field, in particular to automatic tap of thermostatic type.

Background

With the improvement of the quality of home life, functional products are first brought to the beginning, and diversified, individualized and differentiated development of small kitchen and bathroom household electrical appliance products is further deepened. When the existing automatic faucet discharges water, the temperature is not stable enough, the temperature adjustment of the discharged water can only be adjusted in a grading way, namely, the temperature difference between several gears is large, and when a user wants to finely adjust the temperature, the temperature adjustment is difficult to realize. Meanwhile, because of the change of seasons, the temperature difference between the cold water pipe in summer and the cold water pipe in winter is large, and the proportion of cold water and hot water needs to be readjusted in the traditional thermostatic faucet so as to adjust the temperature of the outlet water of the faucet. Most of such thermostatic faucets adopt a valve with two inlets and one outlet to control the temperature of water, and the cold water and the hot water are mixed and then output from a water outlet of the mixed water, so that the water with the proper temperature is obtained.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an automatic tap of thermostatic type, tap can the proportion of automatically regulated cold water and hot water to the invariant of the temperature of play water.

According to the utility model discloses an automatic tap of thermostatic type of first aspect embodiment, including the automatic tap of thermostatic type for the temperature of stable control play water, a serial communication port, include: a valve core provided with a valve rod for controlling the opening and closing of the valve core; a pipe housing provided with a cold water supply path, a hot water supply path, and a mixed water output path; the power output device comprises a motor and a speed reducer, and an output shaft of the speed reducer is in transmission connection with the valve rod; a first temperature sensor provided in the cold water supply path; a second temperature sensor disposed at the mixed water output path; a controller electrically connected to the first temperature sensor and the second temperature sensor, the controller electrically connected to the motor; wherein the first temperature sensor acquires a temperature of the cold water supply path, the second temperature sensor acquires a temperature of the mixed water output path, and the controller controls a rotation angle of the valve rod according to the temperatures acquired by the first temperature sensor and the second temperature sensor, thereby controlling the temperature of the mixed water.

According to the utility model discloses automatic tap of thermostatic type has following beneficial effect at least: the tap judges whether the temperature of the mixed water reaches a threshold value according to the cold water temperature and the mixed water temperature acquired by the first temperature sensor and the second temperature sensor, controls the opening and closing degree of the valve core, and further controls the proportion of the cold water and the hot water, thereby ensuring the constancy of the temperature of the mixed water. The valve rod of case is provided with the motor and drives the case and rotate, can realize automatically regulated temperature, need not the staff and goes to adjust.

According to the utility model discloses a some embodiments, the one end of reduction gear is provided with the power take off mounting panel, the one end of reduction gear is provided with the screw thread mounting hole, be provided with on the power take off mounting panel with the trompil that the screw thread mounting hole matches each other. The threaded mounting holes can ensure that the speed reducer and the power output device mounting plate are firmly mounted together.

According to the utility model discloses a some embodiments, be provided with angle sensor on the power take off mounting panel, angle sensor acquires output shaft pivoted angle. The angle sensor is arranged to read the rotating angle of the output shaft of the speed reducer, and the controller can judge the opening and closing degree of the valve according to the data read by the angle sensor.

According to the utility model discloses a some embodiments, be provided with the hexagonal copper post on the power take off mounting panel, the case passes through the hexagonal copper post is installed on the power take off mounting panel. The hexagonal copper cylinder is used for fastening and isolating.

According to some embodiments of the invention, the pipe diameter of the cold water supply path is larger than the pipe diameter of the hot water supply path. When the temperature of hot water is higher, the entering amount of cold water can be effectively increased, and the constancy of the temperature of the water outlet is further ensured.

According to some embodiments of the utility model, be provided with the screw thread on the mixed water output path. The water leakage or water leakage can be reduced by using threaded connection, the pipeline is easier to connect, no extra tool is needed, and the installation can be completed by directly locking the threads.

According to the utility model discloses a some embodiments, be provided with the breach on the output shaft, the breach with the valve rod matches each other. Better transmission effect can be realized, and the influence of skidding between breach and the valve rod on the transmission is avoided.

According to some embodiments of the present invention, the cold water supply path is provided with a first opening, the probe of the first temperature sensor passes through the first opening and is installed on the cold water supply path, the mixed water output path is provided with a second opening, and the probe of the second temperature sensor passes through the second opening and is installed on the mixed water output path. Directly put into first trompil with first temperature sensor, the temperature of the last cold water of cold water supply route of acquireing that can be more accurate, directly put into the second trompil with second temperature sensor, the temperature on the mixed water output route of acquireing that can be more accurate further improves the precision of tap accuse temperature.

According to some embodiments of the utility model, first temperature sensor with the junction of first trompil is provided with O type packing ring, second temperature sensor with the junction of second trompil is provided with O type packing ring. The occurrence of water leakage can be further reduced.

According to the utility model discloses a some embodiments, the bottom of case is provided with a plurality of reference columns, inside being provided with of pipeline shell with the location mouth that the reference column matches each other. The positioning columns can provide pre-positioning, the installation efficiency is improved, and the installation precision is increased.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

FIG. 1 is a three-dimensional schematic view of the thermostatic automatic faucet of the present invention;

FIG. 2 is a disassembled view of the thermostatic automatic faucet;

FIG. 3 is one of three-dimensional schematic views of a duct housing;

FIG. 4 is a second three-dimensional schematic view of the duct enclosure;

FIG. 5 is a third three-dimensional schematic view of the duct housing;

FIG. 6 is one of three-dimensional schematic views of the valve cartridge;

fig. 7 is a second three-dimensional schematic view of the valve cartridge.

Reference numerals: a power output device 100; a conduit housing 110; a first temperature sensor 120; a cold water supply path 130; a hot water supply path 140; a second temperature sensor 150; a mixed water output path 160; a power take-off mounting plate 170; a valve core 180; a valve stem 190; a hexagonal copper cylinder 200; a first opening 210; a positioning post 220; a positioning port 230; a sensor mounting plate 240; an output shaft 250.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 2, fig. 1 and 2 are general assembly views of a thermostatic type automatic faucet including a power take-off 100 disposed at a top, a valve cartridge 180 disposed under the power take-off 100, and a pipe housing 110 disposed under the valve cartridge 180. The power output device 100 includes a motor and a speed reducer, the motor may be a brush motor or a brushless motor, the type of the motor is not limited herein, and the motor only needs to output enough power to drive the output shaft 250 of the speed reducer to rotate. In some embodiments, the power output apparatus 100 may also use a servo motor, and the servo motor may ensure that the output shaft 250 rotates by a corresponding angle, so as to precisely control the angle of rotation of the output shaft 250 of the servo motor. The pipe housing 110 includes a cold water supply path 130, a hot water supply path 140, and a mixed water output path 160, the cold water supply path 130 is connected to a cold water pipe, cold water is inputted into the pipe through the cold water pipe, the hot water supply path 140 is connected to a hot water pipe, water is heated by an external heating device and then inputted into the pipe, the mixed water is mixed with the hot water to have a proper temperature, and the mixed water is discharged through the mixed water output path 160.

Referring to fig. 3 and 4, a first opening 210 is provided in the cold water supply path 130, a first temperature sensor 120 is provided in the first opening 210, the first temperature sensor 120 is used to obtain the temperature of the cold water in the cold water supply path 130, a second opening is provided in the mixed water output path 160, a second temperature sensor 150 is provided in the second opening, and the second temperature sensor 150 is used to obtain the temperature of the mixed water in the mixed water output path 160. Due to the change of seasons, the temperature of the cold water has a large change range, the current temperature of the cold water can be obtained through the first temperature sensor 120, and the temperature of the hot water is basically kept stable. The first temperature sensor 120 and the second temperature sensor 150 are electrically connected with the controller, when the faucet works, the controller reads the temperature of cold water firstly, then the controller controls the power output device 100 according to the temperature of the cold water, and the power output device 100 controls the opening and closing degree of the valve core 180, so that the proportion of the cold water to the hot water is regulated. The controller sets a plurality of threshold values, each threshold value corresponds to different opening and closing degrees of the valve core 180, and the controller controls the corresponding opening degree of the valve core 180 according to different threshold values, so that the stability of the temperature of the mixed water can be improved. The mixed water output path 160 is provided with the second temperature sensor 150, and the controller acquires the temperature of the mixed water collected by the second temperature sensor 150, judges whether the temperature of the mixed water reaches a preset temperature, and if the controller judges that the temperature of the mixed water does not reach the preset temperature, the power output device 100 controls the valve to increase the proportion of hot water entering until the temperature of the mixed water reaches the preset temperature. If the controller determines that the temperature of the mixed water exceeds the preset temperature, the power output device 100 controls the valve to increase the intake proportion of the cold water until the temperature of the mixed water reaches the preset temperature. In some embodiments, two temperature sensors are provided to reduce the time for the temperature of the thermostatic automatic faucet water to reach a preset temperature, after the first temperature sensor 120 obtains the temperature of the cold water, since the temperature of the hot water is fixed, the controller can roughly determine the temperature of the mixed water according to the opening and closing degree of the cold water temperature control valve, the second temperature sensor 150 obtains the temperature of the mixed water, and further determines whether the temperature of the mixed water reaches a preset value, if the second temperature sensor 150 determines that the temperature of the mixed water does not reach the preset value, the power output device 100 is controlled to finely adjust the valve element 180, the ratio of the cold water to the hot water is adjusted, the constancy of the temperature is further ensured, and the use experience of a user is improved.

Referring to fig. 1 and 2, a power output device mounting plate 170 is disposed below the power output device 100, a threaded mounting hole is disposed at one end of a speed reducer on the power output device 100, an opening matched with the threaded mounting hole is also disposed on the power output device mounting plate 170, and the speed reducer is mounted on the power output device mounting plate 170 through the threaded mounting hole. An angle sensor is arranged on the power output device mounting plate 170 and acquires the rotating angle of the output shaft 250, so that the opening and closing degree of the valve is judged, closed loop feedback is formed, and the improvement of the control precision is facilitated.

Referring to fig. 1 and 2, a sensor mounting plate 240 is further disposed below the power output device mounting plate 170, in some embodiments, an angle sensor is mounted on the power output device mounting plate 170, the angle sensor may also be mounted on the sensor mounting plate 240, the sensor mounting plate 240 is mounted on the power output device mounting plate 170, and the sensor mounting plate 240 is disposed to improve stability of the angle sensor and improve accuracy of data. The hexagonal copper cylinder 200 is further disposed at an edge of the power output apparatus mounting plate 170, and the hexagonal copper cylinder 200 fixes the valve core 180 to the power output apparatus mounting plate 170.

Referring to fig. 3 and 4, in some embodiments, the pipe diameter of the cold water supply path 130 is larger than that of the hot water supply path 140, and increasing the pipe diameter of the cold water supply path 130 can increase the amount of cold water entering, further ensuring the temperature of the water outlet to be constant. In some embodiments, the mixed water output path 160 is further provided with threads, and the pipeline can be directly installed by using the threads when being connected without other tools. An O-ring gasket is disposed at the junction of the first temperature sensor 120 and the first opening 210, and an O-ring gasket is also disposed at the junction of the second temperature sensor 150 and the second opening. The use of an O-ring can increase sealing and reduce leakage. In some embodiments, the O-ring may be made of other anti-leakage materials, such as raw adhesive tape, which may also reduce leakage.

Referring to fig. 5 to 7, a positioning column 220 is disposed at the bottom of the valve core 180, a positioning port 230 is disposed in an inner cavity of the pipe casing 110, the positioning port 230 and the positioning column 220 are matched with each other, the positioning column 220 can improve the installation efficiency of the valve core 180 and the pipe casing 110, and the positioning column 220 can be directly used for pre-positioning when the valve core 180 is installed. The valve rod 190 is arranged at the top of the valve core 180, the output shaft 250 on the power output device 100 is provided with a notch, and the notch is matched with the valve rod 190 in shape, so that the transmission stability can be increased, the slippage is reduced, and the stability of the constant-temperature automatic faucet is further improved. In some embodiments, the valve core 180 is a flat angle quick-opening valve core, which is a valve core with two inlets and one outlet, and other types of valve cores can be selected as the valve core, so that the valve rod 190 can control the proportion of cold water and hot water in the valve core 180.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. Automatic tap of thermostatic type for the temperature of stable control play water, its characterized in that includes:

the valve core is provided with a valve rod for controlling the valve core to open and close;

a pipe housing provided with a cold water supply path, a hot water supply path, and a mixed water output path;

the power output device comprises a motor and a speed reducer, and an output shaft of the speed reducer is in transmission connection with the valve rod;

a first temperature sensor provided in the cold water supply path;

a second temperature sensor disposed at the mixed water output path;

a controller electrically connected to the first temperature sensor and the second temperature sensor, the controller being electrically connected to the motor;

wherein the first temperature sensor acquires a temperature of the cold water supply path, the second temperature sensor acquires a temperature of the mixed water output path, and the controller controls a rotation angle of the valve rod according to the temperatures acquired by the first temperature sensor and the second temperature sensor, thereby controlling the temperature of the mixed water.

2. The automatic thermostatic faucet according to claim 1, wherein a power take-off mounting plate is provided at one end of the decelerator, a screw-thread mounting hole is provided at one end of the decelerator, and an opening hole matched with the screw-thread mounting hole is provided on the power take-off mounting plate.

3. The thermostatic automatic faucet of claim 2, wherein an angle sensor is provided on the power take-off mounting plate, the angle sensor acquiring an angle at which the output shaft rotates.

4. The thermostatic automatic faucet of claim 2, wherein the power take-off mounting plate is provided with a hexagonal copper post, and the valve cartridge is mounted on the power take-off mounting plate through the hexagonal copper post.

5. The automatic thermostatic faucet of claim 1, wherein a pipe diameter of the cold water supply path is larger than a pipe diameter of the hot water supply path.

6. Thermostatic automatic faucet according to claim 1, characterized in that the mixed water output path is provided with a thread.

7. Automatic thermostatic faucet of claim 1, characterized in that the output shaft is provided with a notch, which is complementary to the valve stem.

8. The automatic thermostatic faucet of claim 1, wherein a first opening is provided on the cold water supply path, through which a probe of the first temperature sensor is installed on the cold water supply path, and a second opening is provided on the mixed water output path, through which a probe of the second temperature sensor is installed on the mixed water output path.

9. The automatic thermostatic faucet of claim 8, wherein an O-ring is disposed at a junction of the first temperature sensor and the first opening, and an O-ring is disposed at a junction of the second temperature sensor and the second opening.

10. The thermostatic automatic faucet of claim 1, wherein a plurality of positioning posts are arranged at the bottom of the valve core, and positioning ports matched with the positioning posts are arranged inside the pipeline shell.