CN114484009A

CN114484009A - Control valve and control method thereof

Info

Publication number: CN114484009A
Application number: CN202210152317.1A
Authority: CN
Inventors: 吴利; 丁柏忠; 吴晓雷
Original assignee: Zhejiang Mingdi Ceramic Cartridge Co ltd
Current assignee: Zhejiang Mingdi Ceramic Cartridge Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-05-13

Abstract

The invention discloses a control valve and a control method thereof, relating to the technical field of fluid control, and the technical scheme is as follows: the water outlet control valve comprises a valve body and a main control board, wherein a valve core used for controlling water outlet temperature and water outlet flow is arranged in the valve body, a first execution unit and a second execution unit are arranged on the valve body, a first detection unit used for detecting water flow temperature and a second detection unit used for detecting water flow pressure are arranged on the valve body, the main control board can receive signals of the first detection unit and drive the valve core to control water outlet flow through the first execution unit, the main control board can receive signals of the second detection unit and drive the valve core through the second execution unit to control water outlet temperature, and the control valve can still maintain stable water outlet temperature and stable water outlet flow under the condition that water flow pressure fluctuates.

Description

Control valve and control method thereof

Technical Field

The invention relates to the technical field of fluid control, in particular to a control valve and a control method thereof.

Background

The conventional faucet that uses on the market adopts manual mode regulation rivers temperature and control water flow usually, need the aperture of user's manual regulation control case usually when using, thereby adjust the temperature of rivers and the flow of control rivers, but the aperture of manual regulation case is difficult to accurate control water flow and leaving water temperature, consequently some control valves have been disclosed among the prior art, through the control valve to leaving water flow and to going out water temperature accurate control, but current control valve ubiquitous a problem, because the existence of rivers pressure, leaving water temperature and leaving water flow change extremely easily, it is stable to be difficult to maintain leaving water temperature, influence user's use experience.

Disclosure of Invention

In view of the shortcomings of the prior art, the present invention provides a control valve and a control method thereof, which have the advantage of maintaining stable outlet water temperature and outlet water flow even when the water flow pressure fluctuates.

The technical purpose of the invention is realized by the following technical scheme: the water outlet control valve comprises a valve body and a main control board, wherein a valve core used for controlling water outlet temperature and water outlet flow is arranged in the valve body, a first execution unit and a second execution unit are arranged on the valve body, a first detection unit used for detecting water flow pressure and a second detection unit used for detecting water flow temperature are arranged on the valve body, the main control board can receive signals of the first detection unit and drive the valve core to control water outlet flow through the first execution unit, and the main control board can receive signals of the second detection unit and drive the valve core to control water outlet temperature through the second execution unit.

Through above-mentioned technical scheme, the valve core is driven through execution unit one to the main control board, the valve body begins to go out water after the case is opened, a pair of rivers pressure of detecting element detects and transmit the rivers pressure that detects to the main control board, two pairs of rivers temperatures of detecting element detect and transmit the rivers temperature that detects to the main control board, the main control board transmits corresponding instruction to execution unit one according to received rivers pressure, execution unit one drives the valve core and controls water flow, the main control board transmits corresponding instruction to execution unit two according to received rivers temperature, execution unit two drives the valve core and controls water temperature, guarantee that water temperature and water flow are stable still can be maintained under the undulant condition in rivers pressure appearance.

Preferably, the first execution unit comprises a first rotary drive source, a first gear and a swing rod, an output end of the first rotary drive source is connected with the first gear, a plurality of first tooth grooves are formed in the swing rod, the first gear can be meshed with the first tooth grooves, the first rotary drive source can enable the swing rod to swing, and the swing rod is connected with the valve core.

According to the technical scheme, the first rotary driving source is started to drive the first gear to rotate, the first gear drives the swing rod to swing through matching with the first tooth groove, and the swing rod drives the valve core after swinging, so that the opening degree of the valve core is controlled.

Preferably, the second execution unit comprises a second rotary drive source, a second gear and a linkage disk, the output end of the second rotary drive source is connected with the second gear, the linkage disk is provided with a plurality of second tooth grooves, the second gear can be meshed with the second tooth grooves, the second rotary drive source can enable the linkage disk to rotate, the linkage disk is connected with the valve core, and the first rotary drive source is connected with the linkage disk.

Through the technical scheme, the second rotary driving source drives the second gear to rotate after being started, the second gear drives the linkage disc to rotate through matching with the second tooth groove after rotating, and the linkage disc drives the valve element after rotating so as to control the opening degree of the valve element.

Preferably, the first detection unit comprises a pressure sensor, and the pressure sensor is electrically connected with the main control board.

Through above-mentioned technical scheme, pressure sensor can detect and transmit to the main control board to rivers pressure in real time, and when rivers pressure produced the change, the main control board can in time transmit corresponding instruction to the execution unit one, drives the valve core through the execution unit one and controls water flow.

Preferably, the detection unit two includes a temperature sensor, and the temperature sensor is electrically connected with the main control board.

Through above-mentioned technical scheme, temperature sensor can detect and transmit to the main control board rivers temperature in real time, and when rivers temperature produced the change, the main control board can in time transmit corresponding instruction to execution unit two, drives the valve core through execution unit two and controls leaving water temperature.

Preferably, be provided with into water runner one, intake runner two and outlet channel on the valve body, the case can control intake runner one and intake runner two with outlet channel intercommunication area between the runner, the case can control intake runner one or intake runner two with outlet channel intercommunication area between the runner.

Through the technical scheme, the valve core controls the communication area between the first water flow channel and the second water inlet flow channel and the water outlet flow channel, and the valve core controls the communication area between the first water flow channel or the second water inlet flow channel and the water outlet flow channel, so that the control of the water outlet flow and the water outlet temperature is realized.

Preferably, the valve body is connected with a first limiting block, the first limiting block can limit the valve core, the valve core is connected with a second limiting block, and the second limiting block can limit the linkage disc.

Through above-mentioned technical scheme, the stopper is spacing to a pair of case, guarantees that the relative position between case and the valve body is stable, and the stopper is spacing to the linkage disk, can guarantee the stable position of linkage disk.

Preferably, the valve core comprises a shell, a base, static ceramic pieces, movable ceramic pieces, a valve rod and a handle, the shell is connected with the base, the static ceramic pieces are circumferentially fixed on the upper end face of the base, the movable ceramic pieces are movably arranged on the upper end face of the static ceramic pieces, the valve rod is rotatably connected with the handle, the valve rod is connected with the oscillating rod, the valve rod is connected with the movable ceramic pieces, the handle is connected with the linkage disc, and the handle is connected with the movable ceramic pieces.

According to the technical scheme, the swinging swing rod drives the valve rod to rotate, and the rotated valve rod drives the movable ceramic chip to slide on the upper end surface of the static ceramic chip so as to control the opening of the valve core; the rotated linkage disc drives the handle to rotate, and the rotated handle drives the movable ceramic chip to rotate on the upper end surface of the static ceramic chip, so that the opening of the valve core is controlled.

Preferably, a first water inlet hole, a second water inlet hole and a first water outlet hole are formed in the base, the first water inlet hole is communicated with the first water inlet flow channel, the second water inlet hole is communicated with the second water inlet flow channel, the first water outlet hole is communicated with the second water outlet flow channel, a third water inlet hole, a fourth water inlet hole and a second water outlet hole are formed in the static ceramic chip, a water mixing cavity is formed between the static ceramic chip and the movable ceramic chip in a matched mode, the first water inlet hole is communicated with the third water inlet hole, the third water inlet hole can be communicated with the water mixing cavity, the second water inlet hole is communicated with the fourth water inlet hole, the fourth water inlet hole can be communicated with the water mixing cavity, the first water outlet hole is communicated with the second water outlet hole, and the second water outlet hole is communicated with the water mixing cavity.

Through the technical scheme, water flow in the water inlet flow channel I sequentially flows into the water mixing cavity through the water inlet hole I and the water inlet hole III, water flow in the water inlet flow channel II sequentially flows into the water mixing cavity through the water inlet hole II and the water inlet hole IV, water flow is mixed in the water mixing cavity, and then sequentially flows into the water outlet flow channel through the water outlet hole II and the water outlet hole I.

Preferably, a control method of a control valve includes the steps of:

s1, the main control board controls the first execution unit to drive the valve core, and the valve body discharges water;

s2, the detection unit detects the water flow pressure and transmits the water flow pressure to the main control board, and the detection unit detects the water flow temperature and transmits the water flow temperature to the main control board;

and S3, the main control board receives the signal of the first detection unit and drives the valve core to control the water outlet flow through the first execution unit, and the main control board receives the signal of the second detection unit and drives the valve core to control the water outlet temperature through the second execution unit.

Through the technical scheme, according to the water flow pressure detected by the first detection unit and the water flow temperature detected by the second detection unit, the main control board can control the water outlet flow in time through the first execution unit driving valve core and control the water outlet temperature through the second execution unit driving valve core, so that the water outlet temperature and the water outlet flow stability can be maintained under the condition that the water flow pressure fluctuates.

In summary, compared with the prior art, the beneficial effects of the invention are as follows:

1. under the condition that water flow pressure fluctuates, the water outlet temperature and the water outlet flow are stable, and the use experience of a user is guaranteed.

Drawings

FIG. 1 is a sectional view of the embodiment;

FIG. 2 is a schematic view of a part of the structure of the embodiment;

FIG. 3 is a schematic structural view of a valve cartridge of an embodiment;

FIG. 4 is a cross-sectional view of a valve cartridge of an embodiment;

FIG. 5 is a schematic structural view of the housing of the embodiment;

FIG. 6 is a schematic structural view of an embodiment handle;

FIG. 7 is a schematic view of a connecting socket according to an embodiment;

FIG. 8 is a schematic structural diagram of a tile according to an embodiment;

FIG. 9 is a schematic structural view of a static tile according to an embodiment;

FIG. 10 is a schematic structural view of a base according to an embodiment;

FIG. 11 is a schematic structural diagram of a main control board according to an embodiment;

FIG. 12 is a schematic structural diagram of a swing link in accordance with an embodiment;

FIG. 13 is a schematic structural view of an embodiment of a linking plate;

fig. 14 is an external configuration diagram of the embodiment.

Reference numerals: 1. a housing; 2. a valve body; 3. a main control board; 4. a valve core; 41. a housing; 42. a base; 43. a static ceramic chip; 44. moving the ceramic sheet; 45. a valve stem; 46. a handle; 47. a connecting seat; 5. a first execution unit; 51. a first rotary driving source; 52. a first gear; 53. a swing rod; 54. a first tooth groove; 6. a second execution unit; 61. a second rotary driving source; 62. a second gear; 63. a linkage disk; 64. a tooth socket II; 7. a first detection unit; 71. a pressure sensor; 8. a second detection unit; 81. a temperature sensor; 9. a first water inlet flow channel; 10. a second water inlet flow channel; 11. a water outlet flow channel; 12. a first limiting block; 13. a second limiting block; 14. a water inlet hole I; 15. a water inlet hole II; 16. a water outlet hole I; 17. a third water inlet hole; 18. a fourth water inlet hole; 19. a water outlet hole II; 20. a water mixing cavity; 21. a groove; 22. a first bulge; 23. positioning a groove; 24. a first limiting bump; 25. a second limiting bump; 26. a second bulge; 27. connecting grooves; 28. a third bulge; 29. fourthly, a bulge is formed; 30. positioning the opening; 31. inserting grooves; 32. a buzzer; 33. a tooth socket III; 34. a tooth socket IV; 35. a power supply unit.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The present invention will be described in further detail with reference to the accompanying drawings.

A control valve, as shown in fig. 1 to 14, includes a housing 1, a valve body 2, a power supply unit 35 and a main control board 3, wherein the valve body 2 and the main control board 3 are both disposed in the housing 1.

The power supply unit 35 includes a battery, the battery is installed in the housing 1 and electrically connected to the main control board 3, and as another solution, the main control board 3 may also be directly connected to an external power source

A valve core 4 for controlling the water outlet temperature and the water outlet flow is arranged in the valve body 2, specifically, a water inlet flow passage one 9, a water inlet flow passage two 10 and a water outlet flow passage 11 are arranged on the valve body 2, and the valve core 4 can control the communication area between the water inlet flow passage one 9, the water inlet flow passage two 10 and the water outlet flow passage 11, so that the water flow of the water inlet flow passage one 9 and the water inlet flow passage two 10 into the water outlet flow passage 11 is limited, and the control of the water outlet flow by the valve core 4 is realized; the valve core 4 can control the communication area between the first water inlet flow channel 9 or the second water inlet flow channel 10 and the water outlet flow channel 11, it should be noted that any one of the first water inlet flow channel 9 and the second water inlet flow channel 10 is used for cold water to pass through, and the corresponding other flow channel is used for hot water to pass through, so that the control of the water outlet temperature by the valve core 4 can be realized by limiting the water flow rate of the first water inlet flow channel 9 entering the water outlet flow channel 11 or the water flow rate of the second water inlet flow channel 10 entering the water outlet flow channel 11.

The main control panel 3 is provided with a buzzer 32, the buzzer 32 is electrically connected with the main control panel 3, and it should be noted that when the voltage is abnormal, if the voltage is too high or too low, the buzzer 32 sounds to remind the user.

The valve core 4 comprises a shell 41, a base 42, static ceramic pieces 43, movable ceramic pieces 44, a valve rod 45 and a handle 46, wherein the shell 41 is connected with the base 42, the static ceramic pieces 43 are circumferentially fixed on the upper end face of the base 42, concretely, the upper end face of the base 42 is provided with a first bulge 22, a positioning groove 23 is formed in the side wall of the static ceramic pieces 43, the first bulge 22 is inserted into the positioning groove 23, the two bulge are matched with the positioning groove 23 to circumferentially fix the static ceramic pieces 43, the movable ceramic pieces 44 are movably arranged on the upper end face of the static ceramic pieces 43, and concretely, the movable ceramic pieces 44 can slide or rotate on the upper end face of the static ceramic pieces 43.

Valve rod 45 rotates to be connected in handle 46, and is concrete, and valve rod 45 passes handle 46, and valve rod 45 articulates in handle 46, and the lower extreme of valve rod 45 is connected with connecting seat 47, and is preferred, realizes being connected through the mode of pegging graft between connecting seat 47 and the valve rod 45, and of course can also adopt other modes to realize connecting.

The outer side wall of the handle 46 is provided with at least two first limiting convex blocks 24, the inner side wall of the shell 41 is provided with at least two second limiting convex blocks 25, the side wall of the first limiting convex block 24 can abut against the side wall of the second limiting convex block 25, and the rotation angle of the handle 46 is limited through the cooperation of the first limiting convex block 24 and the second limiting convex block 25.

The valve rod 45 is connected with the movable ceramic piece 44, specifically, the connecting seat 47 is provided with a second protrusion 26, the upper end surface of the movable ceramic piece 44 is provided with a connecting groove 27, and the second protrusion 26 is inserted into the connecting groove 27.

The handle 46 is connected with the movable ceramic piece 44, the upper end face of the connecting seat 47 is provided with three protrusions 28, the lower end face of the handle 46 is provided with four at least two protrusions 29 at intervals, the four protrusions 29 are matched and matched to form the positioning port 30, the positioning port 30 can circumferentially position the three protrusions 28, the three protrusions 28 are connected with the positioning port 30 in a sliding mode, and the handle 46 can be matched with the three protrusions 28 through the positioning port 30 to drive the connecting seat 47 to rotate.

The base 42 is provided with a first water inlet hole 14, a second water inlet hole 15 and a first water outlet hole 16, the first water inlet hole 14 is communicated with a first water inlet flow passage 9, the second water inlet hole 15 is communicated with a second water inlet flow passage 10, the first water outlet hole 16 is communicated with a first water outlet flow passage 11, the static ceramic piece 43 is provided with a third water inlet hole 17, a fourth water inlet hole 18 and a second water outlet hole 19, a mixed water cavity 20 is formed between the static ceramic piece 43 and the dynamic ceramic piece 44 in a matched mode, specifically, the lower end face of the dynamic ceramic piece 44 is provided with a groove 21, the groove 21 is matched with the dynamic ceramic piece 44 to form the mixed water cavity 20, the first water inlet hole 14 is communicated with the third water inlet hole 17, the third water inlet hole 17 can be communicated with the mixed water cavity 20, the second water inlet hole 15 is communicated with the fourth water inlet hole 18, the fourth water inlet hole 18 can be communicated with the mixed water cavity 20, the first water outlet hole 16 is communicated with the second water outlet hole 19, and the second water outlet hole 19 is communicated with the mixed water cavity 20.

Be connected with stopper one 12 on the valve body 2, stopper one 12 can be spacing to case 4, and is concrete, has the holding tank on the valve body 2, and case 4 sets up in the holding tank, stopper one 12 threaded connection in holding tank, and the lower terminal surface of stopper one 12 can be leaned on with the up end counterbalance of casing 41.

The valve body 2 is provided with a first execution unit 5 and a second execution unit 6, the valve body 2 is provided with a first detection unit 7 for detecting water flow pressure and a second detection unit 8 for detecting water flow temperature, the main control board 3 can receive signals of the first detection unit 7 and drive the valve plug 4 through the first execution unit 5 to control water outlet flow, and the main control board 3 can receive signals of the second detection unit 8 and drive the valve plug 4 through the second execution unit 6 to control water outlet temperature.

The first detection unit 7 comprises a pressure sensor 71, the pressure sensor 71 is electrically connected with the main control board 3, of course, other detection devices capable of detecting water flow pressure can be adopted, the pressure sensor 71 can detect the water flow pressure in the water outlet channel 11, as other schemes, the pressure sensors 71 can be arranged in the first water inlet channel 9 and the second water inlet channel 10, and of course, the pressure sensors 71 can be arranged in water consumption devices communicated with the water outlet channel 11.

The second detection unit 8 includes a temperature sensor 81, the temperature sensor 81 is electrically connected to the main control board 3, and other detection devices capable of detecting the temperature of the water flow may be adopted, the temperature sensor 81 may detect the temperature of the water flow in the water flow passage 11, and the temperature sensor 81 may be disposed in a water using device communicated with the water flow passage 11.

The first execution unit 5 comprises a first rotary drive source 51, a first gear 52 and a swing rod 53, the first rotary drive source 51 is preferably a speed reduction motor, and can also be other common drive sources with a rotary function, such as a rotary electromagnet in the prior art, and the like, the output end of the first rotary drive source 51 is connected with the first gear 52, the swing rod 53 is provided with a plurality of first tooth sockets 54, preferably, the plurality of first tooth sockets 54 are uniformly arranged along an arc, the first gear 52 can be meshed with the first tooth sockets 54, and the first rotary drive source 51 can enable the swing rod 53 to swing through the cooperation of the first gear 52 and the plurality of first tooth sockets 54.

The swing rod 53 is connected with the valve core 4, specifically, the upper end of the valve rod 45 is connected with the swing rod 53, namely, the insertion groove 31 is formed in the lower end face of the swing rod 53, the upper end of the valve rod 45 is inserted into the insertion groove 31, and as other schemes, the valve rod 45 and the swing rod 53 can be connected in other modes.

The second execution unit 6 includes a second rotary drive source 61, a second gear 62 and a linkage disk 63, the second rotary drive source 61 is preferably a speed reduction motor, and may also be another common drive source with a rotary function, such as a rotary electromagnet in the prior art, the output end of the second rotary drive source 61 is connected with the second gear 62, the linkage disk 63 is provided with a plurality of second tooth sockets 64, preferably, the plurality of second tooth sockets 64 are uniformly arranged along the outer side wall of the linkage disk 63, the second gear 62 can be meshed with the second tooth sockets 64, and the second rotary drive source 61 can make the linkage disk 63 rotate by matching the second gear 62 with the plurality of second tooth sockets 64.

The linkage disk 63 is connected with the valve core 4, the handle 46 is in transmission connection with the linkage disk 63, concretely, the inside wall of the linkage disk 63 is provided with three (33) of a plurality of tooth spaces, the outside wall of the handle 46 is provided with four (34) of a plurality of tooth spaces, the linkage disk 63 is sleeved on the outside of the handle 46, the three (33) of tooth spaces can be meshed with the four (34) of tooth spaces, and the linkage disk 63 can drive the handle 46 to rotate through the cooperation of the three (33) of a plurality of tooth spaces and the four (34) of a plurality of tooth spaces.

The first rotary driving source 51 is connected with the linkage disc 63, specifically, the first rotary driving source 51 is mounted on the linkage disc 63, and the linkage disc 63 can rotate to drive the first rotary driving source 51 to rotate.

And a second limiting block 13 is connected to the valve core 4, the second limiting block 13 can limit the linkage disc 63, the second limiting block 13 is in threaded connection with the handle 46, and the lower end face of the second limiting block 13 can abut against the upper end face of the linkage disc 63.

It should be noted that the main control board 3 is connected to an external control unit, that is, a user can set the water flow temperature and the water flow rate through the control unit, that is, the user can increase or decrease the water flow rate through the control unit, and can also increase or decrease the water outlet temperature through the control unit, and certainly, the control unit can also be directly disposed on the housing 1.

A control method of a control valve, comprising the steps of:

s1, the main control board 3 controls the first execution unit 5 to drive the valve plug 4, and the valve body 2 discharges water;

s2, detecting the water flow pressure by the first detecting unit 7 and transmitting the water flow pressure to the main control board 3, and detecting the water flow temperature by the second detecting unit 8 and transmitting the water flow temperature to the main control board 3;

s3, the main control board 3 receives the signal of the first detection unit 7 and drives the valve core 4 through the first execution unit 5 to control the water outlet flow, and the main control board 3 receives the signal of the second detection unit 8 and drives the valve core 4 through the second execution unit 6 to control the water outlet temperature.

The working principle is as follows:

when a user needs to use water, the main control panel 3 transmits a corresponding instruction to the first rotary driving source 51, the first rotary driving source 51 is started, the output end of the first rotary driving source 51 rotates to drive the first gear 52 to rotate, the first gear 52 drives the swing rod 53 to swing through the tooth sockets 54 meshed with the first gear, the swing rod 53 drives the valve rod 45 to rotate, the valve rod 45 drives the movable ceramic piece 44 to slide on the upper end face of the static ceramic piece 43, water in the first water inlet flow channel 9 sequentially flows into the water mixing cavity 20 through the first water inlet hole 14 and the third water inlet hole 17, water in the second water inlet flow channel 10 sequentially flows into the water mixing cavity 20 through the second water inlet hole 15 and the fourth water inlet hole 18, the two water flows are mixed in the water mixing cavity 20 and then sequentially flow into the first water outlet flow channel 11 through the second water outlet hole 19 and the first water outlet hole 16, and water in the second water outlet flow channel 11 flows to a water using device through a pipeline for the user to use.

Because the pressure sensor 71 detects the water flow pressure in the water outlet flow channel 11 in real time and transmits the water flow pressure to the main control board 3, when the main control board 3 judges that the water flow pressure fluctuates according to the water flow pressure transmitted by the pressure sensor 71, the main control board 3 transmits a corresponding command to the first rotary driving source 51, the first rotary driving source 51 is started, the output end of the first rotary driving source 51 rotates to drive the first gear 52 to rotate, the first gear 52 rotates to drive the swing rod 53 to swing through a plurality of tooth sockets 54 capable of being meshed with the first gear, the swing rod 53 drives the valve rod 45 to rotate, the valve rod 45 drives the movable ceramic piece 44 to slide on the upper end face of the static ceramic piece 43, the communication area between the third water inlet hole 17 and the fourth water inlet hole 18 and the water mixing cavity 20 is adjusted by sliding the movable ceramic piece 44, the water flow entering the water mixing cavity 20 is controlled, so as to increase or decrease the water flow, and maintain the stable water flow;

the temperature sensor 81 detects the temperature of the water flow in the water flow channel 11 in real time and transmits the temperature to the main control board 3, when the main control board 3 judges that the water temperature is changing according to the temperature of the water flow transmitted by the temperature sensor 81, the main control board 3 transmits a corresponding command to the second rotary driving source 61, the second rotary driving source 61 is started, the output end of the second rotary driving source 61 rotates to drive the second gear 62 to rotate, the second rotary gear 62 drives the linkage disk 63 to rotate through a plurality of tooth spaces two 64 capable of being meshed with the second rotary gear, the rotary linkage disk 63 drives the handle 46 to rotate through a plurality of tooth spaces three 33 and a plurality of tooth spaces four 34, the handle 46 drives the connecting seat 47 to rotate through the positioning port 30 and the third bulge 28, the connecting seat 47 drives the movable ceramic sheet 44 to rotate on the upper end surface of the fixed ceramic sheet 43 through the second bulge 26 and the connecting groove 27, and the communication area between the third water inlet 17 and the water mixing cavity 20 and/or between the fourth water inlet 18 and the water mixing cavity 20 is adjusted through the rotation of the movable ceramic sheet 44, therefore, the regulation of the outlet water temperature is realized, and the outlet water temperature is maintained to be stable.

The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.

Claims

1. A control valve and a control method thereof comprise a valve body (2) and a main control board (3), and are characterized in that: the water outlet control valve is characterized in that a valve core (4) used for controlling water outlet temperature and water outlet flow is arranged in the valve body (2), an execution unit I (5) and an execution unit II (6) are arranged on the valve body (2), a detection unit I (7) used for detecting water flow pressure and a detection unit II (8) used for detecting water flow temperature are arranged on the valve body (2), the main control board (3) can receive signals of the detection unit I (7) and drive the valve core (4) through the execution unit I (5) to control water outlet flow, and the main control board (3) can receive signals of the detection unit II (8) and drive the valve core (4) through the execution unit II (6) to control water outlet temperature.

2. A control valve and a control method thereof according to claim 1, wherein: the first execution unit (5) comprises a first rotary driving source (51), a first gear (52) and a swing rod (53), the output end of the first rotary driving source (51) is connected with the first gear (52), the swing rod (53) is provided with a plurality of first tooth grooves (54), the first gear (52) can be meshed with the first tooth grooves (54), the first rotary driving source (51) can enable the swing rod (53) to swing, and the swing rod (53) is connected with the valve core (4).

3. A control valve and a control method thereof according to claim 2, wherein: the second execution unit (6) comprises a second rotary drive source (61), a second gear (62) and a linkage disk (63), the output end of the second rotary drive source (61) is connected with the second gear (62), a plurality of second tooth spaces (64) are arranged on the linkage disk (63), the second gear (62) can be meshed with the second tooth spaces (64), the second rotary drive source (61) can enable the linkage disk (63) to rotate, the linkage disk (63) is connected with the valve core (4), and the first rotary drive source (51) is connected with the linkage disk (63).

4. A control valve and a control method thereof according to claim 1, wherein: the first detection unit (7) comprises a pressure sensor (71), and the pressure sensor (71) is electrically connected with the main control board (3).

5. A control valve and a control method thereof according to claim 1, wherein: the second detection unit (8) comprises a temperature sensor (81), and the temperature sensor (81) is electrically connected with the main control board (3).

6. A control valve and a control method thereof as claimed in claim 1, wherein: be provided with into water runner one (9), intake runner two (10) and play water runner (11) on valve body (2), case (4) can control intake runner one (9) and intake runner two (10) with go out the area of communication between water runner (11), case (4) can control intake runner one (9) or intake runner two (10) with go out the area of communication between water runner (11).

7. A control valve and a control method thereof according to claim 3, wherein: the valve is characterized in that a first limiting block (12) is connected to the valve body (2), the first limiting block (12) can limit the valve core (4), a second limiting block (13) is connected to the valve core (4), and the second limiting block (13) can limit the linkage disk (63).

8. A control valve and a control method thereof according to claim 6, wherein: the valve core (4) comprises a shell (41), a base (42), static ceramic pieces (43), movable ceramic pieces (44), a valve rod (45) and a handle (46), wherein the shell (41) is connected with the base (42), the static ceramic pieces (43) are circumferentially fixed on the upper end face of the base (42), the movable ceramic pieces (44) are movably arranged on the upper end face of the static ceramic pieces (43), the valve rod (45) is rotatably connected with the handle (46), the valve rod (45) is connected with the oscillating rod (53), the valve rod (45) is connected with the movable ceramic pieces (44), the handle (46) is connected with the linkage disc (63), and the handle (46) is connected with the movable ceramic pieces (44).

9. A control valve and a control method thereof according to claim 8, wherein: the base (42) is provided with a first water inlet hole (14), a second water inlet hole (15) and a first water outlet hole (16), the first water inlet hole (14) is communicated with the first water inlet flow channel (9), the second water inlet hole (15) is communicated with the second water inlet flow channel (10), the first water outlet hole (16) is communicated with the water outlet flow channel (11), the static ceramic chip (43) is provided with a third water inlet hole (17), a fourth water inlet hole (18) and a second water outlet hole (19), a water mixing cavity (20) is formed between the static ceramic chip (43) and the dynamic ceramic chip (44) in a matching manner, the first water inlet hole (14) is communicated with the third water inlet hole (17), the third water inlet hole (17) can be communicated with the water mixing cavity (20), the second water inlet hole (15) is communicated with the fourth water inlet hole (18), and the fourth water inlet hole (18) can be communicated with the water mixing cavity (20), the first water outlet hole (16) is communicated with the second water outlet hole (19), and the second water outlet hole (19) is communicated with the water mixing cavity (20).

10. A control method based on the control valve according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:

s1, the main control board (3) controls the first execution unit (5) to drive the valve core (4), and the valve body (2) discharges water;

s2, the first detection unit (7) detects the water flow pressure and transmits the water flow pressure to the main control board (3), and the second detection unit (8) detects the water flow temperature and transmits the water flow temperature to the main control board (3);

and S3, the main control board (3) receives the signal of the first detection unit (7) and drives the valve core (4) to control the water outlet flow rate through the first execution unit (5), and the main control board (3) receives the signal of the second detection unit (8) and drives the valve core (4) to control the water outlet temperature through the second execution unit (6).